eventespresso / event-espresso-core

admin_pages/messages/Messages_Admin_Page.core.php

Indentation +4524 added lines, -4524 removed lines

@@ -19,2624 +19,2624 @@ 
 class Messages_Admin_Page extends EE_Admin_Page
 {
 
-    /**
-     * @type EE_Message_Resource_Manager $_message_resource_manager
-     */
-    protected $_message_resource_manager;
-
-    /**
-     * @type string $_active_message_type_name
-     */
-    protected $_active_message_type_name = '';
-
-    /**
-     * @type EE_messenger $_active_messenger
-     */
-    protected $_active_messenger;
-    protected $_activate_state;
-    protected $_activate_meta_box_type;
-    protected $_current_message_meta_box;
-    protected $_current_message_meta_box_object;
-    protected $_context_switcher;
-    protected $_shortcodes = array();
-    protected $_active_messengers = array();
-    protected $_active_message_types = array();
-
-    /**
-     * @var EE_Message_Template_Group $_message_template_group
-     */
-    protected $_message_template_group;
-    protected $_m_mt_settings = array();
-
-
-    /**
-     * This is set via the _set_message_template_group method and holds whatever the template pack for the group is.
-     * IF there is no group then it gets automatically set to the Default template pack.
-     *
-     * @since 4.5.0
-     *
-     * @var EE_Messages_Template_Pack
-     */
-    protected $_template_pack;
-
-
-    /**
-     * This is set via the _set_message_template_group method and holds whatever the template pack variation for the
-     * group is.  If there is no group then it automatically gets set to default.
-     *
-     * @since 4.5.0
-     *
-     * @var string
-     */
-    protected $_variation;
-
-
-    /**
-     * @param bool $routing
-     * @throws EE_Error
-     */
-    public function __construct($routing = true)
-    {
-        // make sure messages autoloader is running
-        EED_Messages::set_autoloaders();
-        parent::__construct($routing);
-    }
-
-
-    protected function _init_page_props()
-    {
-        $this->page_slug = EE_MSG_PG_SLUG;
-        $this->page_label = esc_html__('Messages Settings', 'event_espresso');
-        $this->_admin_base_url = EE_MSG_ADMIN_URL;
-        $this->_admin_base_path = EE_MSG_ADMIN;
-
-        $this->_activate_state = isset($this->_req_data['activate_state'])
-            ? (array) $this->_req_data['activate_state']
-            : array();
-
-        $this->_active_messenger = isset($this->_req_data['messenger']) ? $this->_req_data['messenger'] : null;
-        $this->_load_message_resource_manager();
-    }
-
-
-    /**
-     * loads messenger objects into the $_active_messengers property (so we can access the needed methods)
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _load_message_resource_manager()
-    {
-        $this->_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-    }
-
-
-    /**
-     * @deprecated 4.9.9.rc.014
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_messengers_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a messenger filter dropdown which is now generated differently via %s',
-                    'event_espresso'
-                ),
-                'Messages_Admin_Page::get_messengers_select_input()'
-            ),
-            '4.9.9.rc.014'
-        );
-
-        $m_values = array();
-        $active_messengers = EEM_Message::instance()->get_all(array('group_by' => 'MSG_messenger'));
-        // setup messengers for selects
-        $i = 1;
-        foreach ($active_messengers as $active_messenger) {
-            if ($active_messenger instanceof EE_Message) {
-                $m_values[ $i ]['id'] = $active_messenger->messenger();
-                $m_values[ $i ]['text'] = ucwords($active_messenger->messenger_label());
-                $i++;
-            }
-        }
-
-        return $m_values;
-    }
-
-
-    /**
-     * @deprecated 4.9.9.rc.014
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_message_types_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type filter dropdown which is now generated differently via %s',
-                    'event_espresso'
-                ),
-                'Messages_Admin_Page::get_message_types_select_input()'
-            ),
-            '4.9.9.rc.014'
-        );
-
-        $mt_values = array();
-        $active_messages = EEM_Message::instance()->get_all(array('group_by' => 'MSG_message_type'));
-        $i = 1;
-        foreach ($active_messages as $active_message) {
-            if ($active_message instanceof EE_Message) {
-                $mt_values[ $i ]['id'] = $active_message->message_type();
-                $mt_values[ $i ]['text'] = ucwords($active_message->message_type_label());
-                $i++;
-            }
-        }
-
-        return $mt_values;
-    }
-
-
-    /**
-     * @deprecated 4.9.9.rc.014
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_contexts_for_message_types_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type context filter dropdown which is now generated differently via %s',
-                    'event_espresso'
-                ),
-                'Messages_Admin_Page::get_contexts_for_message_types_select_input()'
-            ),
-            '4.9.9.rc.014'
-        );
-
-        $contexts = array();
-        $active_message_contexts = EEM_Message::instance()->get_all(array('group_by' => 'MSG_context'));
-        foreach ($active_message_contexts as $active_message) {
-            if ($active_message instanceof EE_Message) {
-                $message_type = $active_message->message_type_object();
-                if ($message_type instanceof EE_message_type) {
-                    $message_type_contexts = $message_type->get_contexts();
-                    foreach ($message_type_contexts as $context => $context_details) {
-                        $contexts[ $context ] = $context_details['label'];
-                    }
-                }
-            }
-        }
-
-        return $contexts;
-    }
-
-
-    /**
-     * Generate select input with provided messenger options array.
-     *
-     * @param array $messenger_options Array of messengers indexed by messenger slug and values are the messenger
-     *                                 labels.
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_messengers_select_input($messenger_options)
-    {
-        // if empty or just one value then just return an empty string
-        if (empty($messenger_options)
-            || ! is_array($messenger_options)
-            || count($messenger_options) === 1
-        ) {
-            return '';
-        }
-        // merge in default
-        $messenger_options = array_merge(
-            array('none_selected' => esc_html__('Show All Messengers', 'event_espresso')),
-            $messenger_options
-        );
-        $input = new EE_Select_Input(
-            $messenger_options,
-            array(
-                'html_name'  => 'ee_messenger_filter_by',
-                'html_id'    => 'ee_messenger_filter_by',
-                'html_class' => 'wide',
-                'default'    => isset($this->_req_data['ee_messenger_filter_by'])
-                    ? sanitize_title($this->_req_data['ee_messenger_filter_by'])
-                    : 'none_selected',
-            )
-        );
-
-        return $input->get_html_for_input();
-    }
-
-
-    /**
-     * Generate select input with provided message type options array.
-     *
-     * @param array $message_type_options Array of message types indexed by message type slug, and values are the
-     *                                    message type labels
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_message_types_select_input($message_type_options)
-    {
-        // if empty or count of options is 1 then just return an empty string
-        if (empty($message_type_options)
-            || ! is_array($message_type_options)
-            || count($message_type_options) === 1
-        ) {
-            return '';
-        }
-        // merge in default
-        $message_type_options = array_merge(
-            array('none_selected' => esc_html__('Show All Message Types', 'event_espresso')),
-            $message_type_options
-        );
-        $input = new EE_Select_Input(
-            $message_type_options,
-            array(
-                'html_name'  => 'ee_message_type_filter_by',
-                'html_id'    => 'ee_message_type_filter_by',
-                'html_class' => 'wide',
-                'default'    => isset($this->_req_data['ee_message_type_filter_by'])
-                    ? sanitize_title($this->_req_data['ee_message_type_filter_by'])
-                    : 'none_selected',
-            )
-        );
-
-        return $input->get_html_for_input();
-    }
-
-
-    /**
-     * Generate select input with provide message type contexts array.
-     *
-     * @param array $context_options Array of message type contexts indexed by context slug, and values are the
-     *                               context label.
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_contexts_for_message_types_select_input($context_options)
-    {
-        // if empty or count of options is one then just return empty string
-        if (empty($context_options)
-            || ! is_array($context_options)
-            || count($context_options) === 1
-        ) {
-            return '';
-        }
-        // merge in default
-        $context_options = array_merge(
-            array('none_selected' => esc_html__('Show all Contexts', 'event_espresso')),
-            $context_options
-        );
-        $input = new EE_Select_Input(
-            $context_options,
-            array(
-                'html_name'  => 'ee_context_filter_by',
-                'html_id'    => 'ee_context_filter_by',
-                'html_class' => 'wide',
-                'default'    => isset($this->_req_data['ee_context_filter_by'])
-                    ? sanitize_title($this->_req_data['ee_context_filter_by'])
-                    : 'none_selected',
-            )
-        );
-
-        return $input->get_html_for_input();
-    }
-
-
-    protected function _ajax_hooks()
-    {
-        add_action('wp_ajax_activate_messenger', array($this, 'activate_messenger_toggle'));
-        add_action('wp_ajax_activate_mt', array($this, 'activate_mt_toggle'));
-        add_action('wp_ajax_ee_msgs_save_settings', array($this, 'save_settings'));
-        add_action('wp_ajax_ee_msgs_update_mt_form', array($this, 'update_mt_form'));
-        add_action('wp_ajax_switch_template_pack', array($this, 'switch_template_pack'));
-        add_action('wp_ajax_toggle_context_template', array($this, 'toggle_context_template'));
-    }
-
-
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = $this->page_label;
-        $this->_labels = array(
-            'buttons'    => array(
-                'add'    => esc_html__('Add New Message Template', 'event_espresso'),
-                'edit'   => esc_html__('Edit Message Template', 'event_espresso'),
-                'delete' => esc_html__('Delete Message Template', 'event_espresso'),
-            ),
-            'publishbox' => esc_html__('Update Actions', 'event_espresso'),
-        );
-    }
-
-
-    /**
-     *        an array for storing key => value pairs of request actions and their corresponding methods
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_page_routes()
-    {
-        $grp_id = ! empty($this->_req_data['GRP_ID']) && ! is_array($this->_req_data['GRP_ID'])
-            ? $this->_req_data['GRP_ID']
-            : 0;
-        $grp_id = empty($grp_id) && ! empty($this->_req_data['id'])
-            ? $this->_req_data['id']
-            : $grp_id;
-        $msg_id = ! empty($this->_req_data['MSG_ID']) && ! is_array($this->_req_data['MSG_ID'])
-            ? $this->_req_data['MSG_ID']
-            : 0;
-
-        $this->_page_routes = array(
-            'default'                          => array(
-                'func'       => '_message_queue_list_table',
-                'capability' => 'ee_read_global_messages',
-            ),
-            'global_mtps'                      => array(
-                'func'       => '_ee_default_messages_overview_list_table',
-                'capability' => 'ee_read_global_messages',
-            ),
-            'custom_mtps'                      => array(
-                'func'       => '_custom_mtps_preview',
-                'capability' => 'ee_read_messages',
-            ),
-            'add_new_message_template'         => array(
-                'func'       => '_add_message_template',
-                'capability' => 'ee_edit_messages',
-                'noheader'   => true,
-            ),
-            'edit_message_template'            => array(
-                'func'       => '_edit_message_template',
-                'capability' => 'ee_edit_message',
-                'obj_id'     => $grp_id,
-            ),
-            'preview_message'                  => array(
-                'func'               => '_preview_message',
-                'capability'         => 'ee_read_message',
-                'obj_id'             => $grp_id,
-                'noheader'           => true,
-                'headers_sent_route' => 'display_preview_message',
-            ),
-            'display_preview_message'          => array(
-                'func'       => '_display_preview_message',
-                'capability' => 'ee_read_message',
-                'obj_id'     => $grp_id,
-            ),
-            'insert_message_template'          => array(
-                'func'       => '_insert_or_update_message_template',
-                'capability' => 'ee_edit_messages',
-                'args'       => array('new_template' => true),
-                'noheader'   => true,
-            ),
-            'update_message_template'          => array(
-                'func'       => '_insert_or_update_message_template',
-                'capability' => 'ee_edit_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('new_template' => false),
-                'noheader'   => true,
-            ),
-            'trash_message_template'           => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => true, 'all' => true),
-                'noheader'   => true,
-            ),
-            'trash_message_template_context'   => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => true),
-                'noheader'   => true,
-            ),
-            'restore_message_template'         => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => false, 'all' => true),
-                'noheader'   => true,
-            ),
-            'restore_message_template_context' => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => false),
-                'noheader'   => true,
-            ),
-            'delete_message_template'          => array(
-                'func'       => '_delete_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'noheader'   => true,
-            ),
-            'reset_to_default'                 => array(
-                'func'       => '_reset_to_default_template',
-                'capability' => 'ee_edit_message',
-                'obj_id'     => $grp_id,
-                'noheader'   => true,
-            ),
-            'settings'                         => array(
-                'func'       => '_settings',
-                'capability' => 'manage_options',
-            ),
-            'update_global_settings'           => array(
-                'func'       => '_update_global_settings',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'generate_now'                     => array(
-                'func'       => '_generate_now',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'generate_and_send_now'            => array(
-                'func'       => '_generate_and_send_now',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'queue_for_resending'              => array(
-                'func'       => '_queue_for_resending',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'send_now'                         => array(
-                'func'       => '_send_now',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'delete_ee_message'                => array(
-                'func'       => '_delete_ee_messages',
-                'capability' => 'ee_delete_messages',
-                'noheader'   => true,
-            ),
-            'delete_ee_messages'               => array(
-                'func'       => '_delete_ee_messages',
-                'capability' => 'ee_delete_messages',
-                'noheader'   => true,
-                'obj_id'     => $msg_id,
-            ),
-        );
-    }
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default'                  => array(
-                'nav'           => array(
-                    'label' => esc_html__('Message Activity', 'event_espresso'),
-                    'order' => 10,
-                ),
-                'list_table'    => 'EE_Message_List_Table',
-                // 'qtips' => array( 'EE_Message_List_Table_Tips' ),
-                'require_nonce' => false,
-            ),
-            'global_mtps'              => array(
-                'nav'           => array(
-                    'label' => esc_html__('Default Message Templates', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'list_table'    => 'Messages_Template_List_Table',
-                'help_tabs'     => array(
-                    'messages_overview_help_tab'                                => array(
-                        'title'    => esc_html__('Messages Overview', 'event_espresso'),
-                        'filename' => 'messages_overview',
-                    ),
-                    'messages_overview_messages_table_column_headings_help_tab' => array(
-                        'title'    => esc_html__('Messages Table Column Headings', 'event_espresso'),
-                        'filename' => 'messages_overview_table_column_headings',
-                    ),
-                    'messages_overview_messages_filters_help_tab'               => array(
-                        'title'    => esc_html__('Message Filters', 'event_espresso'),
-                        'filename' => 'messages_overview_filters',
-                    ),
-                    'messages_overview_messages_views_help_tab'                 => array(
-                        'title'    => esc_html__('Message Views', 'event_espresso'),
-                        'filename' => 'messages_overview_views',
-                    ),
-                    'message_overview_message_types_help_tab'                   => array(
-                        'title'    => esc_html__('Message Types', 'event_espresso'),
-                        'filename' => 'messages_overview_types',
-                    ),
-                    'messages_overview_messengers_help_tab'                     => array(
-                        'title'    => esc_html__('Messengers', 'event_espresso'),
-                        'filename' => 'messages_overview_messengers',
-                    ),
-                ),
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array('Messages_Overview_Help_Tour'),
-                'require_nonce' => false,
-            ),
-            'custom_mtps'              => array(
-                'nav'           => array(
-                    'label' => esc_html__('Custom Message Templates', 'event_espresso'),
-                    'order' => 30,
-                ),
-                'help_tabs'     => array(),
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array(),
-                'require_nonce' => false,
-            ),
-            'add_new_message_template' => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Add New Message Templates', 'event_espresso'),
-                    'order'      => 5,
-                    'persistent' => false,
-                ),
-                'require_nonce' => false,
-            ),
-            'edit_message_template'    => array(
-                'labels'        => array(
-                    'buttons'    => array(
-                        'reset' => esc_html__('Reset Templates', 'event_espresso'),
-                    ),
-                    'publishbox' => esc_html__('Update Actions', 'event_espresso'),
-                ),
-                'nav'           => array(
-                    'label'      => esc_html__('Edit Message Templates', 'event_espresso'),
-                    'order'      => 5,
-                    'persistent' => false,
-                    'url'        => '',
-                ),
-                'metaboxes'     => array('_publish_post_box', '_register_edit_meta_boxes'),
-                'has_metaboxes' => true,
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array('Message_Templates_Edit_Help_Tour'),
-                'help_tabs'     => array(
-                    'edit_message_template'            => array(
-                        'title'    => esc_html__('Message Template Editor', 'event_espresso'),
-                        'callback' => 'edit_message_template_help_tab',
-                    ),
-                    'message_templates_help_tab'       => array(
-                        'title'    => esc_html__('Message Templates', 'event_espresso'),
-                        'filename' => 'messages_templates',
-                    ),
-                    'message_template_shortcodes'      => array(
-                        'title'    => esc_html__('Message Shortcodes', 'event_espresso'),
-                        'callback' => 'message_template_shortcodes_help_tab',
-                    ),
-                    'message_preview_help_tab'         => array(
-                        'title'    => esc_html__('Message Preview', 'event_espresso'),
-                        'filename' => 'messages_preview',
-                    ),
-                    'messages_overview_other_help_tab' => array(
-                        'title'    => esc_html__('Messages Other', 'event_espresso'),
-                        'filename' => 'messages_overview_other',
-                    ),
-                ),
-                'require_nonce' => false,
-            ),
-            'display_preview_message'  => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Message Preview', 'event_espresso'),
-                    'order'      => 5,
-                    'url'        => '',
-                    'persistent' => false,
-                ),
-                'help_tabs'     => array(
-                    'preview_message' => array(
-                        'title'    => esc_html__('About Previews', 'event_espresso'),
-                        'callback' => 'preview_message_help_tab',
-                    ),
-                ),
-                'require_nonce' => false,
-            ),
-            'settings'                 => array(
-                'nav'           => array(
-                    'label' => esc_html__('Settings', 'event_espresso'),
-                    'order' => 40,
-                ),
-                'metaboxes'     => array('_messages_settings_metaboxes'),
-                'help_tabs'     => array(
-                    'messages_settings_help_tab'               => array(
-                        'title'    => esc_html__('Messages Settings', 'event_espresso'),
-                        'filename' => 'messages_settings',
-                    ),
-                    'messages_settings_message_types_help_tab' => array(
-                        'title'    => esc_html__('Activating / Deactivating Message Types', 'event_espresso'),
-                        'filename' => 'messages_settings_message_types',
-                    ),
-                    'messages_settings_messengers_help_tab'    => array(
-                        'title'    => esc_html__('Activating / Deactivating Messengers', 'event_espresso'),
-                        'filename' => 'messages_settings_messengers',
-                    ),
-                ),
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array('Messages_Settings_Help_Tour'),
-                'require_nonce' => false,
-            ),
-        );
-    }
-
-
-    protected function _add_screen_options()
-    {
-        // todo
-    }
-
-
-    protected function _add_screen_options_global_mtps()
-    {
-        /**
-         * Note: the reason for the value swap here on $this->_admin_page_title is because $this->_per_page_screen_options
-         * uses the $_admin_page_title property and we want different outputs in the different spots.
-         */
-        $page_title = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Global Message Templates', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-
-    protected function _add_screen_options_default()
-    {
-        $this->_admin_page_title = esc_html__('Message Activity', 'event_espresso');
-        $this->_per_page_screen_option();
-    }
-
-
-    // none of the below group are currently used for Messages
-    protected function _add_feature_pointers()
-    {
-    }
-
-    public function admin_init()
-    {
-    }
-
-    public function admin_notices()
-    {
-    }
-
-    public function admin_footer_scripts()
-    {
-    }
-
-
-    public function messages_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_help_tab.template.php');
-    }
-
-
-    public function messengers_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messenger_help_tab.template.php');
-    }
-
-
-    public function message_types_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_type_help_tab.template.php');
-    }
-
-
-    public function messages_overview_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_overview_help_tab.template.php');
-    }
-
-
-    public function message_templates_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_templates_help_tab.template.php');
-    }
-
-
-    public function edit_message_template_help_tab()
-    {
-        $args['img1'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/editor.png' . '" alt="'
-                        . esc_attr__('Editor Title', 'event_espresso')
-                        . '" />';
-        $args['img2'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/switch-context.png' . '" alt="'
-                        . esc_attr__('Context Switcher and Preview', 'event_espresso')
-                        . '" />';
-        $args['img3'] = '<img class="left" src="' . EE_MSG_ASSETS_URL . 'images/form-fields.png' . '" alt="'
-                        . esc_attr__('Message Template Form Fields', 'event_espresso')
-                        . '" />';
-        $args['img4'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/shortcodes-metabox.png' . '" alt="'
-                        . esc_attr__('Shortcodes Metabox', 'event_espresso')
-                        . '" />';
-        $args['img5'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/publish-meta-box.png' . '" alt="'
-                        . esc_attr__('Publish Metabox', 'event_espresso')
-                        . '" />';
-        EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_templates_editor_help_tab.template.php',
-            $args
-        );
-    }
-
-
-    public function message_template_shortcodes_help_tab()
-    {
-        $this->_set_shortcodes();
-        $args['shortcodes'] = $this->_shortcodes;
-        EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_shortcodes_help_tab.template.php',
-            $args
-        );
-    }
-
-
-    public function preview_message_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_preview_help_tab.template.php');
-    }
-
-
-    public function settings_help_tab()
-    {
-        $args['img1'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-active.png'
-                        . '" alt="' . esc_attr__('Active Email Tab', 'event_espresso') . '" />';
-        $args['img2'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-inactive.png'
-                        . '" alt="' . esc_attr__('Inactive Email Tab', 'event_espresso') . '" />';
-        $args['img3'] = '<div class="switch">'
-                        . '<input class="ee-on-off-toggle ee-toggle-round-flat"'
-                        . ' type="checkbox" checked="checked">'
-                        . '<label for="ee-on-off-toggle-on"></label>'
-                        . '</div>';
-        $args['img4'] = '<div class="switch">'
-                        . '<input class="ee-on-off-toggle ee-toggle-round-flat"'
-                        . ' type="checkbox">'
-                        . '<label for="ee-on-off-toggle-on"></label>'
-                        . '</div>';
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_settings_help_tab.template.php', $args);
-    }
-
-
-    public function load_scripts_styles()
-    {
-        wp_register_style('espresso_ee_msg', EE_MSG_ASSETS_URL . 'ee_message_admin.css', EVENT_ESPRESSO_VERSION);
-        wp_enqueue_style('espresso_ee_msg');
-
-        wp_register_script(
-            'ee-messages-settings',
-            EE_MSG_ASSETS_URL . 'ee-messages-settings.js',
-            array('jquery-ui-droppable', 'ee-serialize-full-array'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee-msg-list-table-js',
-            EE_MSG_ASSETS_URL . 'ee_message_admin_list_table.js',
-            array('ee-dialog'),
-            EVENT_ESPRESSO_VERSION
-        );
-    }
-
-
-    public function load_scripts_styles_default()
-    {
-        wp_enqueue_script('ee-msg-list-table-js');
-    }
-
-
-    public function wp_editor_css($mce_css)
-    {
-        // if we're on the edit_message_template route
-        if ($this->_req_action === 'edit_message_template' && $this->_active_messenger instanceof EE_messenger) {
-            $message_type_name = $this->_active_message_type_name;
-
-            // we're going to REPLACE the existing mce css
-            // we need to get the css file location from the active messenger
-            $mce_css = $this->_active_messenger->get_variation(
-                $this->_template_pack,
-                $message_type_name,
-                true,
-                'wpeditor',
-                $this->_variation
-            );
-        }
-
-        return $mce_css;
-    }
-
-
-    public function load_scripts_styles_edit_message_template()
-    {
-
-        $this->_set_shortcodes();
-
-        EE_Registry::$i18n_js_strings['confirm_default_reset'] = sprintf(
-            esc_html__(
-                'Are you sure you want to reset the %s %s message templates?  Remember continuing will reset the templates for all contexts in this messenger and message type group.',
-                'event_espresso'
-            ),
-            $this->_message_template_group->messenger_obj()->label['singular'],
-            $this->_message_template_group->message_type_obj()->label['singular']
-        );
-        EE_Registry::$i18n_js_strings['confirm_switch_template_pack'] = esc_html__(
-            'Switching the template pack for a messages template will reset the content for the template so the new layout is loaded.  Any custom content in the existing template will be lost. Are you sure you wish to do this?',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['server_error'] = esc_html__(
-            'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-
-        wp_register_script(
-            'ee_msgs_edit_js',
-            EE_MSG_ASSETS_URL . 'ee_message_editor.js',
-            array('jquery'),
-            EVENT_ESPRESSO_VERSION
-        );
-
-        wp_enqueue_script('ee_admin_js');
-        wp_enqueue_script('ee_msgs_edit_js');
-
-        // add in special css for tiny_mce
-        add_filter('mce_css', array($this, 'wp_editor_css'));
-    }
-
-
-    public function load_scripts_styles_display_preview_message()
-    {
-
-        $this->_set_message_template_group();
-
-        if (isset($this->_req_data['messenger'])) {
-            $this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
-                $this->_req_data['messenger']
-            );
-        }
-
-        $message_type_name = isset($this->_req_data['message_type']) ? $this->_req_data['message_type'] : '';
-
-
-        wp_enqueue_style(
-            'espresso_preview_css',
-            $this->_active_messenger->get_variation(
-                $this->_template_pack,
-                $message_type_name,
-                true,
-                'preview',
-                $this->_variation
-            )
-        );
-    }
-
-
-    public function load_scripts_styles_settings()
-    {
-        wp_register_style(
-            'ee-message-settings',
-            EE_MSG_ASSETS_URL . 'ee_message_settings.css',
-            array(),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('ee-text-links');
-        wp_enqueue_style('ee-message-settings');
-        wp_enqueue_script('ee-messages-settings');
-    }
-
-
-    /**
-     * set views array for List Table
-     */
-    public function _set_list_table_views_global_mtps()
-    {
-        $this->_views = array(
-            'in_use' => array(
-                'slug'  => 'in_use',
-                'label' => esc_html__('In Use', 'event_espresso'),
-                'count' => 0,
-            ),
-        );
-    }
-
-
-    /**
-     * Set views array for the Custom Template List Table
-     */
-    public function _set_list_table_views_custom_mtps()
-    {
-        $this->_set_list_table_views_global_mtps();
-        $this->_views['in_use']['bulk_action'] = array(
-            'trash_message_template' => esc_html__('Move to Trash', 'event_espresso'),
-        );
-    }
-
-
-    /**
-     * set views array for message queue list table
-     *
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function _set_list_table_views_default()
-    {
-        EE_Registry::instance()->load_helper('Template');
-
-        $common_bulk_actions = EE_Registry::instance()->CAP->current_user_can(
-            'ee_send_message',
-            'message_list_table_bulk_actions'
-        )
-            ? array(
-                'generate_now'          => esc_html__('Generate Now', 'event_espresso'),
-                'generate_and_send_now' => esc_html__('Generate and Send Now', 'event_espresso'),
-                'queue_for_resending'   => esc_html__('Queue for Resending', 'event_espresso'),
-                'send_now'              => esc_html__('Send Now', 'event_espresso'),
-            )
-            : array();
-
-        $delete_bulk_action = EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_messages',
-            'message_list_table_bulk_actions'
-        )
-            ? array('delete_ee_messages' => esc_html__('Delete Messages', 'event_espresso'))
-            : array();
-
-
-        $this->_views = array(
-            'all' => array(
-                'slug'        => 'all',
-                'label'       => esc_html__('All', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array_merge($common_bulk_actions, $delete_bulk_action),
-            ),
-        );
-
-
-        foreach (EEM_Message::instance()->all_statuses() as $status) {
-            if ($status === EEM_Message::status_debug_only && ! EEM_Message::debug()) {
-                continue;
-            }
-            $status_bulk_actions = $common_bulk_actions;
-            // unset bulk actions not applying to status
-            if (! empty($status_bulk_actions)) {
-                switch ($status) {
-                    case EEM_Message::status_idle:
-                    case EEM_Message::status_resend:
-                        $status_bulk_actions['send_now'] = $common_bulk_actions['send_now'];
-                        break;
-
-                    case EEM_Message::status_failed:
-                    case EEM_Message::status_debug_only:
-                    case EEM_Message::status_messenger_executing:
-                        $status_bulk_actions = array();
-                        break;
-
-                    case EEM_Message::status_incomplete:
-                        unset($status_bulk_actions['queue_for_resending'], $status_bulk_actions['send_now']);
-                        break;
-
-                    case EEM_Message::status_retry:
-                    case EEM_Message::status_sent:
-                        unset($status_bulk_actions['generate_now'], $status_bulk_actions['generate_and_send_now']);
-                        break;
-                }
-            }
-
-            // skip adding messenger executing status to views because it will be included with the Failed view.
-            if ($status === EEM_Message::status_messenger_executing) {
-                continue;
-            }
-
-            $this->_views[ strtolower($status) ] = array(
-                'slug'        => strtolower($status),
-                'label'       => EEH_Template::pretty_status($status, false, 'sentence'),
-                'count'       => 0,
-                'bulk_action' => array_merge($status_bulk_actions, $delete_bulk_action),
-            );
-        }
-    }
-
-
-    protected function _ee_default_messages_overview_list_table()
-    {
-        $this->_admin_page_title = esc_html__('Default Message Templates', 'event_espresso');
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    protected function _message_queue_list_table()
-    {
-        $this->_search_btn_label = esc_html__('Message Activity', 'event_espresso');
-        $this->_template_args['per_column'] = 6;
-        $this->_template_args['after_list_table'] = $this->_display_legend($this->_message_legend_items());
-        $this->_template_args['before_list_table'] = '<h3>'
-                                                     . EEM_Message::instance()->get_pretty_label_for_results()
-                                                     . '</h3>';
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    protected function _message_legend_items()
-    {
-
-        $action_css_classes = EEH_MSG_Template::get_message_action_icons();
-        $action_items = array();
-
-        foreach ($action_css_classes as $action_item => $action_details) {
-            if ($action_item === 'see_notifications_for') {
-                continue;
-            }
-            $action_items[ $action_item ] = array(
-                'class' => $action_details['css_class'],
-                'desc'  => $action_details['label'],
-            );
-        }
-
-        /** @type array $status_items status legend setup */
-        $status_items = array(
-            'sent_status'                => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_sent,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_sent, false, 'sentence'),
-            ),
-            'idle_status'                => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_idle,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_idle, false, 'sentence'),
-            ),
-            'failed_status'              => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_failed,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_failed, false, 'sentence'),
-            ),
-            'messenger_executing_status' => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_messenger_executing,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_messenger_executing, false, 'sentence'),
-            ),
-            'resend_status'              => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_resend,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_resend, false, 'sentence'),
-            ),
-            'incomplete_status'          => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_incomplete,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_incomplete, false, 'sentence'),
-            ),
-            'retry_status'               => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_retry,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_retry, false, 'sentence'),
-            ),
-        );
-        if (EEM_Message::debug()) {
-            $status_items['debug_only_status'] = array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_debug_only,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_debug_only, false, 'sentence'),
-            );
-        }
-
-        return array_merge($action_items, $status_items);
-    }
-
-
-    protected function _custom_mtps_preview()
-    {
-        $this->_admin_page_title = esc_html__('Custom Message Templates (Preview)', 'event_espresso');
-        $this->_template_args['preview_img'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/custom_mtps_preview.png"'
-                                               . ' alt="' . esc_attr__(
-                                                   'Preview Custom Message Templates screenshot',
-                                                   'event_espresso'
-                                               ) . '" />';
-        $this->_template_args['preview_text'] = '<strong>'
-                                                . esc_html__(
-                                                    'Custom Message Templates is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Custom Message Templates feature, you are able to create custom message templates and assign them on a per-event basis.',
-                                                    'event_espresso'
-                                                )
-                                                . '</strong>';
-
-        $this->display_admin_caf_preview_page('custom_message_types', false);
-    }
-
-
-    /**
-     * get_message_templates
-     * This gets all the message templates for listing on the overview list.
-     *
-     * @access public
-     * @param int    $perpage the amount of templates groups to show per page
-     * @param string $type    the current _view we're getting templates for
-     * @param bool   $count   return count?
-     * @param bool   $all     disregard any paging info (get all data);
-     * @param bool   $global  whether to return just global (true) or custom templates (false)
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_message_templates(
-        $perpage = 10,
-        $type = 'in_use',
-        $count = false,
-        $all = false,
-        $global = true
-    ) {
-
-        $MTP = EEM_Message_Template_Group::instance();
-
-        $this->_req_data['orderby'] = empty($this->_req_data['orderby']) ? 'GRP_ID' : $this->_req_data['orderby'];
-        $orderby = $this->_req_data['orderby'];
-
-        $order = (isset($this->_req_data['order']) && ! empty($this->_req_data['order']))
-            ? $this->_req_data['order']
-            : 'ASC';
-
-        $current_page = isset($this->_req_data['paged']) && ! empty($this->_req_data['paged'])
-            ? $this->_req_data['paged']
-            : 1;
-        $per_page = isset($this->_req_data['perpage']) && ! empty($this->_req_data['perpage'])
-            ? $this->_req_data['perpage']
-            : $perpage;
-
-        $offset = ($current_page - 1) * $per_page;
-        $limit = $all ? null : array($offset, $per_page);
-
-
-        // options will match what is in the _views array property
-        switch ($type) {
-            case 'in_use':
-                $templates = $MTP->get_all_active_message_templates($orderby, $order, $limit, $count, $global, true);
-                break;
-            default:
-                $templates = $MTP->get_all_trashed_grouped_message_templates($orderby, $order, $limit, $count, $global);
-        }
-
-        return $templates;
-    }
-
-
-    /**
-     * filters etc might need a list of installed message_types
-     *
-     * @return array an array of message type objects
-     */
-    public function get_installed_message_types()
-    {
-        $installed_message_types = $this->_message_resource_manager->installed_message_types();
-        $installed = array();
-
-        foreach ($installed_message_types as $message_type) {
-            $installed[ $message_type->name ] = $message_type;
-        }
-
-        return $installed;
-    }
-
-
-    /**
-     * _add_message_template
-     *
-     * This is used when creating a custom template. All Custom Templates start based off another template.
-     *
-     * @param string $message_type
-     * @param string $messenger
-     * @param string $GRP_ID
-     *
-     * @throws EE_error
-     */
-    protected function _add_message_template($message_type = '', $messenger = '', $GRP_ID = '')
-    {
-        // set values override any request data
-        $message_type = ! empty($message_type) ? $message_type : $this->request->getRequestParam('message_type');
-        $messenger = ! empty($messenger) ? $messenger : $this->request->getRequestParam('messenger');
-        $GRP_ID = ! empty($GRP_ID) ? $GRP_ID : $this->request->getRequestParam('GRP_ID', 0, 'int');
-
-        // we need messenger and message type.  They should be coming from the event editor. If not here then return error
-        if (empty($message_type) || empty($messenger)) {
-            throw new EE_Error(
-                esc_html__(
-                    'Sorry, but we can\'t create new templates because we\'re missing the messenger or message type',
-                    'event_espresso'
-                )
-            );
-        }
-
-        // we need the GRP_ID for the template being used as the base for the new template
-        if (empty($GRP_ID)) {
-            throw new EE_Error(
-                esc_html__(
-                    'In order to create a custom message template the GRP_ID of the template being used as a base is needed',
-                    'event_espresso'
-                )
-            );
-        }
-
-        // let's just make sure the template gets generated!
-
-        // we need to reassign some variables for what the insert is expecting
-        $this->_req_data['MTP_messenger'] = $messenger;
-        $this->_req_data['MTP_message_type'] = $message_type;
-        $this->_req_data['GRP_ID'] = $GRP_ID;
-        $this->_insert_or_update_message_template(true);
-    }
-
-
-    /**
-     * public wrapper for the _add_message_template method
-     *
-     * @param string $message_type     message type slug
-     * @param string $messenger        messenger slug
-     * @param int    $GRP_ID           GRP_ID for the related message template group this new template will be based
-     *                                 off of.
-     * @throws EE_error
-     */
-    public function add_message_template($message_type, $messenger, $GRP_ID)
-    {
-        $this->_add_message_template($message_type, $messenger, $GRP_ID);
-    }
-
-
-    /**
-     * _edit_message_template
-     *
-     * @access protected
-     * @return void
-     * @throws InvalidIdentifierException
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _edit_message_template()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $template_fields = '';
-        $sidebar_fields = '';
-        // we filter the tinyMCE settings to remove the validation since message templates by their nature will not have
-        // valid html in the templates.
-        add_filter('tiny_mce_before_init', array($this, 'filter_tinymce_init'), 10, 2);
-
-        $GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
-            ? absint($this->_req_data['id'])
-            : false;
-
-        $EVT_ID = isset($this->_req_data['evt_id']) && ! empty($this->_req_data['evt_id'])
-        ? absint($this->_req_data['evt_id'])
-        : false;
-
-        $this->_set_shortcodes(); // this also sets the _message_template property.
-        $message_template_group = $this->_message_template_group;
-        $c_label = $message_template_group->context_label();
-        $c_config = $message_template_group->contexts_config();
-
-        reset($c_config);
-        $context = isset($this->_req_data['context']) && ! empty($this->_req_data['context'])
-            ? strtolower($this->_req_data['context'])
-            : key($c_config);
-
-
-        if (empty($GRP_ID)) {
-            $action = 'insert_message_template';
-            $edit_message_template_form_url = add_query_arg(
-                array('action' => $action, 'noheader' => true),
-                EE_MSG_ADMIN_URL
-            );
-        } else {
-            $action = 'update_message_template';
-            $edit_message_template_form_url = add_query_arg(
-                array('action' => $action, 'noheader' => true),
-                EE_MSG_ADMIN_URL
-            );
-        }
-
-        // set active messenger for this view
-        $this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
-            $message_template_group->messenger()
-        );
-        $this->_active_message_type_name = $message_template_group->message_type();
-
-
-        // Do we have any validation errors?
-        $validators = $this->_get_transient();
-        $v_fields = ! empty($validators) ? array_keys($validators) : array();
-
-
-        // we need to assemble the title from Various details
-        $context_label = sprintf(
-            esc_html__('(%s %s)', 'event_espresso'),
-            $c_config[ $context ]['label'],
-            ucwords($c_label['label'])
-        );
-
-        $title = sprintf(
-            esc_html__(' %s %s Template %s', 'event_espresso'),
-            ucwords($message_template_group->messenger_obj()->label['singular']),
-            ucwords($message_template_group->message_type_obj()->label['singular']),
-            $context_label
-        );
-
-        $this->_template_args['GRP_ID'] = $GRP_ID;
-        $this->_template_args['message_template'] = $message_template_group;
-        $this->_template_args['is_extra_fields'] = false;
-
-
-        // let's get EEH_MSG_Template so we can get template form fields
-        $template_field_structure = EEH_MSG_Template::get_fields(
-            $message_template_group->messenger(),
-            $message_template_group->message_type()
-        );
-
-        if (! $template_field_structure) {
-            $template_field_structure = false;
-            $template_fields = esc_html__(
-                'There was an error in assembling the fields for this display (you should see an error message)',
-                'event_espresso'
-            );
-        }
-
-
-        $message_templates = $message_template_group->context_templates();
-
-
-        // if we have the extra key.. then we need to remove the content index from the template_field_structure as it
-        // will get handled in the "extra" array.
-        if (is_array($template_field_structure[ $context ]) && isset($template_field_structure[ $context ]['extra'])) {
-            foreach ($template_field_structure[ $context ]['extra'] as $reference_field => $new_fields) {
-                unset($template_field_structure[ $context ][ $reference_field ]);
-            }
-        }
-
-        // let's loop through the template_field_structure and actually assemble the input fields!
-        if (! empty($template_field_structure)) {
-            foreach ($template_field_structure[ $context ] as $template_field => $field_setup_array) {
-                // if this is an 'extra' template field then we need to remove any existing fields that are keyed up in
-                // the extra array and reset them.
-                if ($template_field === 'extra') {
-                    $this->_template_args['is_extra_fields'] = true;
-                    foreach ($field_setup_array as $reference_field => $new_fields_array) {
-                        $message_template = $message_templates[ $context ][ $reference_field ];
-                        $content = $message_template instanceof EE_Message_Template
-                            ? $message_template->get('MTP_content')
-                            : '';
-                        foreach ($new_fields_array as $extra_field => $extra_array) {
-                            // let's verify if we need this extra field via the shortcodes parameter.
-                            $continue = false;
-                            if (isset($extra_array['shortcodes_required'])) {
-                                foreach ((array) $extra_array['shortcodes_required'] as $shortcode) {
-                                    if (! array_key_exists($shortcode, $this->_shortcodes)) {
-                                        $continue = true;
-                                    }
-                                }
-                                if ($continue) {
-                                    continue;
-                                }
-                            }
-
-                            $field_id = $reference_field
-                                        . '-'
-                                        . $extra_field
-                                        . '-content';
-                            $template_form_fields[ $field_id ] = $extra_array;
-                            $template_form_fields[ $field_id ]['name'] = 'MTP_template_fields['
-                                                                         . $reference_field
-                                                                         . '][content]['
-                                                                         . $extra_field . ']';
-                            $css_class = isset($extra_array['css_class'])
-                                ? $extra_array['css_class']
-                                : '';
-
-                            $template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
-                                                                              && in_array($extra_field, $v_fields, true)
-                                                                              &&
-                                                                              (
-                                                                                  is_array($validators[ $extra_field ])
-                                                                                  && isset($validators[ $extra_field ]['msg'])
-                                                                              )
-                                ? 'validate-error ' . $css_class
-                                : $css_class;
-
-                            $template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
-                                                                          && isset($content[ $extra_field ])
-                                ? $content[ $extra_field ]
-                                : '';
-
-                            // do we have a validation error?  if we do then let's use that value instead
-                            $template_form_fields[ $field_id ]['value'] = isset($validators[ $extra_field ])
-                                ? $validators[ $extra_field ]['value']
-                                : $template_form_fields[ $field_id ]['value'];
-
-
-                            $template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
-
-                            // shortcode selector
-                            $field_name_to_use = $extra_field === 'main'
-                                ? 'content'
-                                : $extra_field;
-                            $template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
-                                $field_name_to_use,
-                                $field_id
-                            );
-
-                            if (isset($extra_array['input']) && $extra_array['input'] === 'wp_editor') {
-                                // we want to decode the entities
-                                $template_form_fields[ $field_id ]['value'] = $template_form_fields[ $field_id ]['value'];
-                            }/**/
-                        }
-                        $templatefield_MTP_id = $reference_field . '-MTP_ID';
-                        $templatefield_templatename_id = $reference_field . '-name';
-
-                        $template_form_fields[ $templatefield_MTP_id ] = array(
-                            'name'       => 'MTP_template_fields[' . $reference_field . '][MTP_ID]',
-                            'label'      => null,
-                            'input'      => 'hidden',
-                            'type'       => 'int',
-                            'required'   => false,
-                            'validation' => false,
-                            'value'      => ! empty($message_templates) ? $message_template->ID() : '',
-                            'css_class'  => '',
-                            'format'     => '%d',
-                            'db-col'     => 'MTP_ID',
-                        );
-
-                        $template_form_fields[ $templatefield_templatename_id ] = array(
-                            'name'       => 'MTP_template_fields[' . $reference_field . '][name]',
-                            'label'      => null,
-                            'input'      => 'hidden',
-                            'type'       => 'string',
-                            'required'   => false,
-                            'validation' => true,
-                            'value'      => $reference_field,
-                            'css_class'  => '',
-                            'format'     => '%s',
-                            'db-col'     => 'MTP_template_field',
-                        );
-                    }
-                    continue; // skip the next stuff, we got the necessary fields here for this dataset.
-                } else {
-                    $field_id = $template_field . '-content';
-                    $template_form_fields[ $field_id ] = $field_setup_array;
-                    $template_form_fields[ $field_id ]['name'] = 'MTP_template_fields[' . $template_field . '][content]';
-                    $message_template = isset($message_templates[ $context ][ $template_field ])
-                        ? $message_templates[ $context ][ $template_field ]
-                        : null;
-                    $template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
-                                                                  && is_array($message_templates[ $context ])
-                                                                  && $message_template instanceof EE_Message_Template
-                        ? $message_template->get('MTP_content')
-                        : '';
-
-                    // do we have a validator error for this field?  if we do then we'll use that value instead
-                    $template_form_fields[ $field_id ]['value'] = isset($validators[ $template_field ])
-                        ? $validators[ $template_field ]['value']
-                        : $template_form_fields[ $field_id ]['value'];
-
-
-                    $template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
-                    $css_class = isset($field_setup_array['css_class'])
-                        ? $field_setup_array['css_class']
-                        : '';
-                    $template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
-                                                                      && in_array($template_field, $v_fields, true)
-                                                                      && isset($validators[ $template_field ]['msg'])
-                        ? 'validate-error ' . $css_class
-                        : $css_class;
-
-                    // shortcode selector
-                    $template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
-                        $template_field,
-                        $field_id
-                    );
-                }
-
-                // k took care of content field(s) now let's take care of others.
-
-                $templatefield_MTP_id = $template_field . '-MTP_ID';
-                $templatefield_field_templatename_id = $template_field . '-name';
-
-                // foreach template field there are actually two form fields created
-                $template_form_fields[ $templatefield_MTP_id ] = array(
-                    'name'       => 'MTP_template_fields[' . $template_field . '][MTP_ID]',
-                    'label'      => null,
-                    'input'      => 'hidden',
-                    'type'       => 'int',
-                    'required'   => false,
-                    'validation' => true,
-                    'value'      => $message_template instanceof EE_Message_Template ? $message_template->ID() : '',
-                    'css_class'  => '',
-                    'format'     => '%d',
-                    'db-col'     => 'MTP_ID',
-                );
-
-                $template_form_fields[ $templatefield_field_templatename_id ] = array(
-                    'name'       => 'MTP_template_fields[' . $template_field . '][name]',
-                    'label'      => null,
-                    'input'      => 'hidden',
-                    'type'       => 'string',
-                    'required'   => false,
-                    'validation' => true,
-                    'value'      => $template_field,
-                    'css_class'  => '',
-                    'format'     => '%s',
-                    'db-col'     => 'MTP_template_field',
-                );
-            }
-
-            // add other fields
-            $template_form_fields['ee-msg-current-context'] = array(
-                'name'       => 'MTP_context',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'string',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $context,
-                'css_class'  => '',
-                'format'     => '%s',
-                'db-col'     => 'MTP_context',
-            );
-
-            $template_form_fields['ee-msg-grp-id'] = array(
-                'name'       => 'GRP_ID',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $GRP_ID,
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'GRP_ID',
-            );
-
-            $template_form_fields['ee-msg-messenger'] = array(
-                'name'       => 'MTP_messenger',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'string',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->messenger(),
-                'css_class'  => '',
-                'format'     => '%s',
-                'db-col'     => 'MTP_messenger',
-            );
-
-            $template_form_fields['ee-msg-message-type'] = array(
-                'name'       => 'MTP_message_type',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'string',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->message_type(),
-                'css_class'  => '',
-                'format'     => '%s',
-                'db-col'     => 'MTP_message_type',
-            );
-
-            $sidebar_form_fields['ee-msg-is-global'] = array(
-                'name'       => 'MTP_is_global',
-                'label'      => esc_html__('Global Template', 'event_espresso'),
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->get('MTP_is_global'),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_is_global',
-            );
-
-            $sidebar_form_fields['ee-msg-is-override'] = array(
-                'name'       => 'MTP_is_override',
-                'label'      => esc_html__('Override all custom', 'event_espresso'),
-                'input'      => $message_template_group->is_global() ? 'checkbox' : 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->get('MTP_is_override'),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_is_override',
-            );
-
-            $sidebar_form_fields['ee-msg-is-active'] = array(
-                'name'       => 'MTP_is_active',
-                'label'      => esc_html__('Active Template', 'event_espresso'),
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->is_active(),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_is_active',
-            );
-
-            $sidebar_form_fields['ee-msg-deleted'] = array(
-                'name'       => 'MTP_deleted',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->get('MTP_deleted'),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_deleted',
-            );
-            $sidebar_form_fields['ee-msg-author'] = array(
-                'name'       => 'MTP_user_id',
-                'label'      => esc_html__('Author', 'event_espresso'),
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => false,
-                'value'      => $message_template_group->user(),
-                'format'     => '%d',
-                'db-col'     => 'MTP_user_id',
-            );
-
-            $sidebar_form_fields['ee-msg-route'] = array(
-                'name'  => 'action',
-                'input' => 'hidden',
-                'type'  => 'string',
-                'value' => $action,
-            );
-
-            $sidebar_form_fields['ee-msg-id'] = array(
-                'name'  => 'id',
-                'input' => 'hidden',
-                'type'  => 'int',
-                'value' => $GRP_ID,
-            );
-            $sidebar_form_fields['ee-msg-evt-nonce'] = array(
-                'name'  => $action . '_nonce',
-                'input' => 'hidden',
-                'type'  => 'string',
-                'value' => wp_create_nonce($action . '_nonce'),
-            );
-
-            if (isset($this->_req_data['template_switch']) && $this->_req_data['template_switch']) {
-                $sidebar_form_fields['ee-msg-template-switch'] = array(
-                    'name'  => 'template_switch',
-                    'input' => 'hidden',
-                    'type'  => 'int',
-                    'value' => 1,
-                );
-            }
-
-
-            $template_fields = $this->_generate_admin_form_fields($template_form_fields);
-            $sidebar_fields = $this->_generate_admin_form_fields($sidebar_form_fields);
-        } //end if ( !empty($template_field_structure) )
-
-        // set extra content for publish box
-        $this->_template_args['publish_box_extra_content'] = $sidebar_fields;
-        $this->_set_publish_post_box_vars(
-            'id',
-            $GRP_ID,
-            false,
-            add_query_arg(
-                array('action' => 'global_mtps'),
-                $this->_admin_base_url
-            )
-        );
-
-        // add preview button
-        $preview_url = parent::add_query_args_and_nonce(
-            array(
-                'message_type' => $message_template_group->message_type(),
-                'messenger'    => $message_template_group->messenger(),
-                'context'      => $context,
-                'GRP_ID'       => $GRP_ID,
-                'evt_id'       => $EVT_ID,
-                'action'       => 'preview_message',
-            ),
-            $this->_admin_base_url
-        );
-        $preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">'
-                          . esc_html__('Preview', 'event_espresso')
-                          . '</a>';
-
-
-        // setup context switcher
-        $context_switcher_args = array(
-            'page'    => 'espresso_messages',
-            'action'  => 'edit_message_template',
-            'id'      => $GRP_ID,
-            'evt_id'  => $EVT_ID,
-            'context' => $context,
-            'extra'   => $preview_button,
-        );
-        $this->_set_context_switcher($message_template_group, $context_switcher_args);
-
-
-        // main box
-        $this->_template_args['template_fields'] = $template_fields;
-        $this->_template_args['sidebar_box_id'] = 'details';
-        $this->_template_args['action'] = $action;
-        $this->_template_args['context'] = $context;
-        $this->_template_args['edit_message_template_form_url'] = $edit_message_template_form_url;
-        $this->_template_args['learn_more_about_message_templates_link'] =
-            $this->_learn_more_about_message_templates_link();
-
-
-        $this->_template_args['before_admin_page_content'] = $this->add_context_switcher();
-        $this->_template_args['before_admin_page_content'] .= $this->add_active_context_element(
-            $message_template_group,
-            $context,
-            $context_label
-        );
-        $this->_template_args['before_admin_page_content'] .= $this->_add_form_element_before();
-        $this->_template_args['after_admin_page_content'] = $this->_add_form_element_after();
-
-        $this->_template_path = $this->_template_args['GRP_ID']
-            ? EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_edit_meta_box.template.php'
-            : EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_add_meta_box.template.php';
-
-        // send along EE_Message_Template_Group object for further template use.
-        $this->_template_args['MTP'] = $message_template_group;
-
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $this->_template_path,
-            $this->_template_args,
-            true
-        );
-
-
-        // finally, let's set the admin_page title
-        $this->_admin_page_title = sprintf(__('Editing %s', 'event_espresso'), $title);
-
-
-        // we need to take care of setting the shortcodes property for use elsewhere.
-        $this->_set_shortcodes();
-
-
-        // final template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    public function filter_tinymce_init($mceInit, $editor_id)
-    {
-        return $mceInit;
-    }
-
-
-    public function add_context_switcher()
-    {
-        return $this->_context_switcher;
-    }
-
-
-    /**
-     * Adds the activation/deactivation toggle for the message template context.
-     *
-     * @param EE_Message_Template_Group $message_template_group
-     * @param string                    $context
-     * @param string                    $context_label
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidIdentifierException
-     */
-    protected function add_active_context_element(
-        EE_Message_Template_Group $message_template_group,
-        $context,
-        $context_label
-    ) {
-        $template_args = array(
-            'context'                   => $context,
-            'nonce'                     => wp_create_nonce('activate_' . $context . '_toggle_nonce'),
-            'is_active'                 => $message_template_group->is_context_active($context),
-            'on_off_action'             => $message_template_group->is_context_active($context)
-                ? 'context-off'
-                : 'context-on',
-            'context_label'             => str_replace(array('(', ')'), '', $context_label),
-            'message_template_group_id' => $message_template_group->ID(),
-        );
-        return EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_editor_active_context_element.template.php',
-            $template_args,
-            true
-        );
-    }
-
-
-    /**
-     * Ajax callback for `toggle_context_template` ajax action.
-     * Handles toggling the message context on or off.
-     *
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidIdentifierException
-     * @throws InvalidInterfaceException
-     */
-    public function toggle_context_template()
-    {
-        $success = true;
-        // check for required data
-        if (! isset(
-            $this->_req_data['message_template_group_id'],
-            $this->_req_data['context'],
-            $this->_req_data['status']
-        )) {
-            EE_Error::add_error(
-                esc_html__('Required data for doing this action is not available.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        $nonce = isset($this->_req_data['toggle_context_nonce'])
-            ? sanitize_text_field($this->_req_data['toggle_context_nonce'])
-            : '';
-        $nonce_ref = 'activate_' . $this->_req_data['context'] . '_toggle_nonce';
-        $this->_verify_nonce($nonce, $nonce_ref);
-        $status = $this->_req_data['status'];
-        if ($status !== 'off' && $status !== 'on') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
-                    $this->_req_data['status']
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-        $message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID(
-            $this->_req_data['message_template_group_id']
-        );
-        if (! $message_template_group instanceof EE_Message_Template_Group) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'Unable to change the active state because the given id "%1$d" does not match a valid "%2$s"',
-                        'event_espresso'
-                    ),
-                    $this->_req_data['message_template_group_id'],
-                    'EE_Message_Template_Group'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-        if ($success) {
-            $success = $status === 'off'
-                ? $message_template_group->deactivate_context($this->_req_data['context'])
-                : $message_template_group->activate_context($this->_req_data['context']);
-        }
-        $this->_template_args['success'] = $success;
-        $this->_return_json();
-    }
-
-
-    public function _add_form_element_before()
-    {
-        return '<form method="post" action="'
-               . $this->_template_args["edit_message_template_form_url"]
-               . '" id="ee-msg-edit-frm">';
-    }
-
-    public function _add_form_element_after()
-    {
-        return '</form>';
-    }
-
-
-    /**
-     * This executes switching the template pack for a message template.
-     *
-     * @since 4.5.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    public function switch_template_pack()
-    {
-        $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
-        $template_pack = ! empty($this->_req_data['template_pack']) ? $this->_req_data['template_pack'] : '';
-
-        // verify we have needed values.
-        if (empty($GRP_ID) || empty($template_pack)) {
-            $this->_template_args['error'] = true;
-            EE_Error::add_error(
-                esc_html__('The required date for switching templates is not available.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        } else {
-            // get template, set the new template_pack and then reset to default
-            /** @type EE_Message_Template_Group $message_template_group */
-            $message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
-
-            $message_template_group->set_template_pack_name($template_pack);
-            $this->_req_data['msgr'] = $message_template_group->messenger();
-            $this->_req_data['mt'] = $message_template_group->message_type();
-
-            $query_args = $this->_reset_to_default_template();
-
-            if (empty($query_args['id'])) {
-                EE_Error::add_error(
-                    esc_html__(
-                        'Something went wrong with switching the template pack. Please try again or contact EE support',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                $this->_template_args['error'] = true;
-            } else {
-                $template_label = $message_template_group->get_template_pack()->label;
-                $template_pack_labels = $message_template_group->messenger_obj()->get_supports_labels();
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__(
-                            'This message template has been successfully switched to use the %1$s %2$s.  Please wait while the page reloads with your new template.',
-                            'event_espresso'
-                        ),
-                        $template_label,
-                        $template_pack_labels->template_pack
-                    )
-                );
-                // generate the redirect url for js.
-                $url = self::add_query_args_and_nonce(
-                    $query_args,
-                    $this->_admin_base_url
-                );
-                $this->_template_args['data']['redirect_url'] = $url;
-                $this->_template_args['success'] = true;
-            }
-
-            $this->_return_json();
-        }
-    }
-
-
-    /**
-     * This handles resetting the template for the given messenger/message_type so that users can start from scratch if
-     * they want.
-     *
-     * @access protected
-     * @return array|null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _reset_to_default_template()
-    {
-
-        $templates = array();
-        $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
-        // we need to make sure we've got the info we need.
-        if (! isset($this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'In order to reset the template to its default we require the messenger, message type, and message template GRP_ID to know what is being reset.  At least one of these is missing.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        // all templates will be reset to whatever the defaults are
-        // for the global template matching the messenger and message type.
-        $success = ! empty($GRP_ID) ? true : false;
-
-        if ($success) {
-            // let's first determine if the incoming template is a global template,
-            // if it isn't then we need to get the global template matching messenger and message type.
-            // $MTPG = EEM_Message_Template_Group::instance()->get_one_by_ID( $GRP_ID );
-
-
-            // note this is ONLY deleting the template fields (Message Template rows) NOT the message template group.
-            $success = $this->_delete_mtp_permanently($GRP_ID, false);
-
-            if ($success) {
-                // if successfully deleted, lets generate the new ones.
-                // Note. We set GLOBAL to true, because resets on ANY template
-                // will use the related global template defaults for regeneration.
-                // This means that if a custom template is reset it resets to whatever the related global template is.
-                // HOWEVER, we DO keep the template pack and template variation set
-                // for the current custom template when resetting.
-                $templates = $this->_generate_new_templates(
-                    $this->_req_data['msgr'],
-                    $this->_req_data['mt'],
-                    $GRP_ID,
-                    true
-                );
-            }
-        }
-
-        // any error messages?
-        if (! $success) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Something went wrong with deleting existing templates. Unable to reset to default',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        // all good, let's add a success message!
-        if ($success && ! empty($templates)) {
-            // the info for the template we generated is the first element in the returned array
-            // $templates = $templates[0];
-            EE_Error::overwrite_success();
-            EE_Error::add_success(__('Templates have been reset to defaults.', 'event_espresso'));
-        }
-
-
-        $query_args = array(
-            'id'      => isset($templates[0]['GRP_ID']) ? $templates[0]['GRP_ID'] : null,
-            'context' => isset($templates[0]['MTP_context']) ? $templates[0]['MTP_context'] : null,
-            'action'  => isset($templates[0]['GRP_ID']) ? 'edit_message_template' : 'global_mtps',
-        );
-
-        // if called via ajax then we return query args otherwise redirect
-        if (defined('DOING_AJAX') && DOING_AJAX) {
-            return $query_args;
-        } else {
-            $this->_redirect_after_action(false, '', '', $query_args, true);
-
-            return null;
-        }
-    }
-
-
-    /**
-     * Retrieve and set the message preview for display.
-     *
-     * @param bool $send if TRUE then we are doing an actual TEST send with the results of the preview.
-     * @return string
-     * @throws ReflectionException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function _preview_message($send = false)
-    {
-        // first make sure we've got the necessary parameters
-        if (
-            ! (
-                $this->request->requestParamIsSet('message_type')
-                && $this->request->requestParamIsSet('messenger')
-                && $this->request->requestParamIsSet('GRP_ID')
-            )
-        ) {
-            EE_Error::add_error(
-                esc_html__('Missing necessary parameters for displaying preview', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        $context = $this->request->getRequestParam('context');
-        $messenger = $this->request->getRequestParam('messenger');
-        $message_type = $this->request->getRequestParam('message_type');
-
-        // get the preview!
-        $preview = EED_Messages::preview_message($message_type, $context, $messenger, $send);
-
-        if ($send) {
-            return $preview;
-        }
-
-        // let's add a button to go back to the edit view
-        $query_args = array(
-            'id'      => $this->request->getRequestParam('GRP_ID', 0, 'int'),
-            'evt_id'  => $this->request->getRequestParam('evt_id', 0, 'int'),
-            'context' => $context,
-            'action'  => 'edit_message_template',
-        );
-        $go_back_url = parent::add_query_args_and_nonce($query_args, $this->_admin_base_url);
-        $preview_button = '<a href="'
-                          . $go_back_url
-                          . '" class="button-secondary messages-preview-go-back-button">'
-                          . esc_html__('Go Back to Edit', 'event_espresso')
-                          . '</a>';
-        $message_types = $this->get_installed_message_types();
-        $active_messenger = $this->_message_resource_manager->get_active_messenger($messenger);
-        $active_messenger_label = $active_messenger instanceof EE_messenger
-            ? ucwords($active_messenger->label['singular'])
-            : esc_html__('Unknown Messenger', 'event_espresso');
-        // let's provide a helpful title for context
-        $preview_title = sprintf(
-            esc_html__('Viewing Preview for %s %s Message Template', 'event_espresso'),
-            $active_messenger_label,
-            ucwords($message_types[ $message_type ]->label['singular'])
-        );
-        if (empty($preview)) {
-            $this->noEventsErrorMessage();
-        }
-        // setup display of preview.
-        $this->_admin_page_title = $preview_title;
-        $this->_template_args['admin_page_title'] = $preview_title;
-        $this->_template_args['admin_page_content'] = $preview_button . '<br />' . $preview;
-        $this->_template_args['data']['force_json'] = true;
-
-        return '';
-    }
-
-
-    /**
-     * Used to set an error if there are no events available for generating a preview/test send.
-     *
-     * @param bool $test_send  Whether the error should be generated for the context of a test send.
-     */
-    protected function noEventsErrorMessage($test_send = false)
-    {
-        $events_url = parent::add_query_args_and_nonce(
-            array(
-                'action' => 'default',
-                'page'   => 'espresso_events',
-            ),
-            admin_url('admin.php')
-        );
-        $message = $test_send
-            ? __(
-                'A test message could not be sent for this message template because there are no events created yet. The preview system uses actual events for generating the test message. %1$sGo see your events%2$s!',
-                'event_espresso'
-            )
-            : __(
-                'There is no preview for this message template available because there are no events created yet. The preview system uses actual events for generating the preview. %1$sGo see your events%2$s!',
-                'event_espresso'
-            );
-
-        EE_Error::add_attention(
-            sprintf(
-                $message,
-                "<a href='{$events_url}'>",
-                '</a>'
-            )
-        );
-    }
-
-
-    /**
-     * The initial _preview_message is on a no headers route.  It will optionally call this if necessary otherwise it
-     * gets called automatically.
-     *
-     * @since 4.5.0
-     *
-     * @return string
-     */
-    protected function _display_preview_message()
-    {
-        $this->display_admin_page_with_no_sidebar();
-    }
-
-
-    /**
-     * registers metaboxes that should show up on the "edit_message_template" page
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _register_edit_meta_boxes()
-    {
-        add_meta_box(
-            'mtp_valid_shortcodes',
-            esc_html__('Valid Shortcodes', 'event_espresso'),
-            array($this, 'shortcode_meta_box'),
-            $this->_current_screen->id,
-            'side',
-            'default'
-        );
-        add_meta_box(
-            'mtp_extra_actions',
-            esc_html__('Extra Actions', 'event_espresso'),
-            array($this, 'extra_actions_meta_box'),
-            $this->_current_screen->id,
-            'side',
-            'high'
-        );
-        add_meta_box(
-            'mtp_templates',
-            esc_html__('Template Styles', 'event_espresso'),
-            array($this, 'template_pack_meta_box'),
-            $this->_current_screen->id,
-            'side',
-            'high'
-        );
-    }
-
-
-    /**
-     * metabox content for all template pack and variation selection.
-     *
-     * @since 4.5.0
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function template_pack_meta_box()
-    {
-        $this->_set_message_template_group();
-
-        $tp_collection = EEH_MSG_Template::get_template_pack_collection();
-
-        $tp_select_values = array();
-
-        foreach ($tp_collection as $tp) {
-            // only include template packs that support this messenger and message type!
-            $supports = $tp->get_supports();
-            if (! isset($supports[ $this->_message_template_group->messenger() ])
-                || ! in_array(
-                    $this->_message_template_group->message_type(),
-                    $supports[ $this->_message_template_group->messenger() ],
-                    true
-                )
-            ) {
-                // not supported
-                continue;
-            }
-
-            $tp_select_values[] = array(
-                'text' => $tp->label,
-                'id'   => $tp->dbref,
-            );
-        }
-
-        // if empty $tp_select_values then we make sure default is set because EVERY message type should be supported by
-        // the default template pack.  This still allows for the odd template pack to override.
-        if (empty($tp_select_values)) {
-            $tp_select_values[] = array(
-                'text' => esc_html__('Default', 'event_espresso'),
-                'id'   => 'default',
-            );
-        }
-
-        // setup variation select values for the currently selected template.
-        $variations = $this->_message_template_group->get_template_pack()->get_variations(
-            $this->_message_template_group->messenger(),
-            $this->_message_template_group->message_type()
-        );
-        $variations_select_values = array();
-        foreach ($variations as $variation => $label) {
-            $variations_select_values[] = array(
-                'text' => $label,
-                'id'   => $variation,
-            );
-        }
-
-        $template_pack_labels = $this->_message_template_group->messenger_obj()->get_supports_labels();
-
-        $template_args['template_packs_selector'] = EEH_Form_Fields::select_input(
-            'MTP_template_pack',
-            $tp_select_values,
-            $this->_message_template_group->get_template_pack_name()
-        );
-        $template_args['variations_selector'] = EEH_Form_Fields::select_input(
-            'MTP_template_variation',
-            $variations_select_values,
-            $this->_message_template_group->get_template_pack_variation()
-        );
-        $template_args['template_pack_label'] = $template_pack_labels->template_pack;
-        $template_args['template_variation_label'] = $template_pack_labels->template_variation;
-        $template_args['template_pack_description'] = $template_pack_labels->template_pack_description;
-        $template_args['template_variation_description'] = $template_pack_labels->template_variation_description;
-
-        $template = EE_MSG_TEMPLATE_PATH . 'template_pack_and_variations_metabox.template.php';
-
-        EEH_Template::display_template($template, $template_args);
-    }
-
-
-    /**
-     * This meta box holds any extra actions related to Message Templates
-     * For now, this includes Resetting templates to defaults and sending a test email.
-     *
-     * @access  public
-     * @return void
-     * @throws EE_Error
-     */
-    public function extra_actions_meta_box()
-    {
-        $template_form_fields = array();
-
-        $extra_args = array(
-            'msgr'   => $this->_message_template_group->messenger(),
-            'mt'     => $this->_message_template_group->message_type(),
-            'GRP_ID' => $this->_message_template_group->GRP_ID(),
-        );
-        // first we need to see if there are any fields
-        $fields = $this->_message_template_group->messenger_obj()->get_test_settings_fields();
-
-        if (! empty($fields)) {
-            // yup there be fields
-            foreach ($fields as $field => $config) {
-                $field_id = $this->_message_template_group->messenger() . '_' . $field;
-                $existing = $this->_message_template_group->messenger_obj()->get_existing_test_settings();
-                $default = isset($config['default']) ? $config['default'] : '';
-                $default = isset($config['value']) ? $config['value'] : $default;
-
-                // if type is hidden and the value is empty
-                // something may have gone wrong so let's correct with the defaults
-                $fix = $config['input'] === 'hidden'
-                       && isset($existing[ $field ])
-                       && empty($existing[ $field ])
-                    ? $default
-                    : '';
-                $existing[ $field ] = isset($existing[ $field ]) && empty($fix)
-                    ? $existing[ $field ]
-                    : $fix;
-
-                $template_form_fields[ $field_id ] = array(
-                    'name'       => 'test_settings_fld[' . $field . ']',
-                    'label'      => $config['label'],
-                    'input'      => $config['input'],
-                    'type'       => $config['type'],
-                    'required'   => $config['required'],
-                    'validation' => $config['validation'],
-                    'value'      => isset($existing[ $field ]) ? $existing[ $field ] : $default,
-                    'css_class'  => $config['css_class'],
-                    'options'    => isset($config['options']) ? $config['options'] : array(),
-                    'default'    => $default,
-                    'format'     => $config['format'],
-                );
-            }
-        }
-
-        $test_settings_fields = ! empty($template_form_fields)
-            ? $this->_generate_admin_form_fields($template_form_fields, 'string', 'ee_tst_settings_flds')
-            : '';
-
-        $test_settings_html = '';
-        // print out $test_settings_fields
-        if (! empty($test_settings_fields)) {
-            echo $test_settings_fields;
-            $test_settings_html = '<input type="submit" class="button-primary mtp-test-button alignright" ';
-            $test_settings_html .= 'name="test_button" value="';
-            $test_settings_html .= esc_html__('Test Send', 'event_espresso');
-            $test_settings_html .= '" /><div style="clear:both"></div>';
-        }
-
-        // and button
-        $test_settings_html .= '<p>'
-                               . esc_html__('Need to reset this message type and start over?', 'event_espresso')
-                               . '</p>';
-        $test_settings_html .= '<div class="publishing-action alignright resetbutton">';
-        $test_settings_html .= $this->get_action_link_or_button(
-            'reset_to_default',
-            'reset',
-            $extra_args,
-            'button-primary reset-default-button'
-        );
-        $test_settings_html .= '</div><div style="clear:both"></div>';
-        echo $test_settings_html;
-    }
-
-
-    /**
-     * This returns the shortcode selector skeleton for a given context and field.
-     *
-     * @since 4.9.rc.000
-     * @param string $field           The name of the field retrieving shortcodes for.
-     * @param string $linked_input_id The css id of the input that the shortcodes get added to.
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_shortcode_selector($field, $linked_input_id)
-    {
-        $template_args = array(
-            'shortcodes'      => $this->_get_shortcodes(array($field), true),
-            'fieldname'       => $field,
-            'linked_input_id' => $linked_input_id,
-        );
-
-        return EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'shortcode_selector_skeleton.template.php',
-            $template_args,
-            true
-        );
-    }
-
-
-    /**
-     * This just takes care of returning the meta box content for shortcodes (only used on the edit message template
-     * page)
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function shortcode_meta_box()
-    {
-        $shortcodes = $this->_get_shortcodes(array(), false); // just make sure shortcodes property is set
-        // $messenger = $this->_message_template_group->messenger_obj();
-        // now let's set the content depending on the status of the shortcodes array
-        if (empty($shortcodes)) {
-            $content = '<p>' . esc_html__('There are no valid shortcodes available', 'event_espresso') . '</p>';
-            echo $content;
-        } else {
-            // $alt = 0;
-            ?>
+	/**
+	 * @type EE_Message_Resource_Manager $_message_resource_manager
+	 */
+	protected $_message_resource_manager;
+
+	/**
+	 * @type string $_active_message_type_name
+	 */
+	protected $_active_message_type_name = '';
+
+	/**
+	 * @type EE_messenger $_active_messenger
+	 */
+	protected $_active_messenger;
+	protected $_activate_state;
+	protected $_activate_meta_box_type;
+	protected $_current_message_meta_box;
+	protected $_current_message_meta_box_object;
+	protected $_context_switcher;
+	protected $_shortcodes = array();
+	protected $_active_messengers = array();
+	protected $_active_message_types = array();
+
+	/**
+	 * @var EE_Message_Template_Group $_message_template_group
+	 */
+	protected $_message_template_group;
+	protected $_m_mt_settings = array();
+
+
+	/**
+	 * This is set via the _set_message_template_group method and holds whatever the template pack for the group is.
+	 * IF there is no group then it gets automatically set to the Default template pack.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var EE_Messages_Template_Pack
+	 */
+	protected $_template_pack;
+
+
+	/**
+	 * This is set via the _set_message_template_group method and holds whatever the template pack variation for the
+	 * group is.  If there is no group then it automatically gets set to default.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var string
+	 */
+	protected $_variation;
+
+
+	/**
+	 * @param bool $routing
+	 * @throws EE_Error
+	 */
+	public function __construct($routing = true)
+	{
+		// make sure messages autoloader is running
+		EED_Messages::set_autoloaders();
+		parent::__construct($routing);
+	}
+
+
+	protected function _init_page_props()
+	{
+		$this->page_slug = EE_MSG_PG_SLUG;
+		$this->page_label = esc_html__('Messages Settings', 'event_espresso');
+		$this->_admin_base_url = EE_MSG_ADMIN_URL;
+		$this->_admin_base_path = EE_MSG_ADMIN;
+
+		$this->_activate_state = isset($this->_req_data['activate_state'])
+			? (array) $this->_req_data['activate_state']
+			: array();
+
+		$this->_active_messenger = isset($this->_req_data['messenger']) ? $this->_req_data['messenger'] : null;
+		$this->_load_message_resource_manager();
+	}
+
+
+	/**
+	 * loads messenger objects into the $_active_messengers property (so we can access the needed methods)
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _load_message_resource_manager()
+	{
+		$this->_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+	}
+
+
+	/**
+	 * @deprecated 4.9.9.rc.014
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_messengers_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a messenger filter dropdown which is now generated differently via %s',
+					'event_espresso'
+				),
+				'Messages_Admin_Page::get_messengers_select_input()'
+			),
+			'4.9.9.rc.014'
+		);
+
+		$m_values = array();
+		$active_messengers = EEM_Message::instance()->get_all(array('group_by' => 'MSG_messenger'));
+		// setup messengers for selects
+		$i = 1;
+		foreach ($active_messengers as $active_messenger) {
+			if ($active_messenger instanceof EE_Message) {
+				$m_values[ $i ]['id'] = $active_messenger->messenger();
+				$m_values[ $i ]['text'] = ucwords($active_messenger->messenger_label());
+				$i++;
+			}
+		}
+
+		return $m_values;
+	}
+
+
+	/**
+	 * @deprecated 4.9.9.rc.014
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_message_types_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type filter dropdown which is now generated differently via %s',
+					'event_espresso'
+				),
+				'Messages_Admin_Page::get_message_types_select_input()'
+			),
+			'4.9.9.rc.014'
+		);
+
+		$mt_values = array();
+		$active_messages = EEM_Message::instance()->get_all(array('group_by' => 'MSG_message_type'));
+		$i = 1;
+		foreach ($active_messages as $active_message) {
+			if ($active_message instanceof EE_Message) {
+				$mt_values[ $i ]['id'] = $active_message->message_type();
+				$mt_values[ $i ]['text'] = ucwords($active_message->message_type_label());
+				$i++;
+			}
+		}
+
+		return $mt_values;
+	}
+
+
+	/**
+	 * @deprecated 4.9.9.rc.014
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_contexts_for_message_types_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type context filter dropdown which is now generated differently via %s',
+					'event_espresso'
+				),
+				'Messages_Admin_Page::get_contexts_for_message_types_select_input()'
+			),
+			'4.9.9.rc.014'
+		);
+
+		$contexts = array();
+		$active_message_contexts = EEM_Message::instance()->get_all(array('group_by' => 'MSG_context'));
+		foreach ($active_message_contexts as $active_message) {
+			if ($active_message instanceof EE_Message) {
+				$message_type = $active_message->message_type_object();
+				if ($message_type instanceof EE_message_type) {
+					$message_type_contexts = $message_type->get_contexts();
+					foreach ($message_type_contexts as $context => $context_details) {
+						$contexts[ $context ] = $context_details['label'];
+					}
+				}
+			}
+		}
+
+		return $contexts;
+	}
+
+
+	/**
+	 * Generate select input with provided messenger options array.
+	 *
+	 * @param array $messenger_options Array of messengers indexed by messenger slug and values are the messenger
+	 *                                 labels.
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_messengers_select_input($messenger_options)
+	{
+		// if empty or just one value then just return an empty string
+		if (empty($messenger_options)
+			|| ! is_array($messenger_options)
+			|| count($messenger_options) === 1
+		) {
+			return '';
+		}
+		// merge in default
+		$messenger_options = array_merge(
+			array('none_selected' => esc_html__('Show All Messengers', 'event_espresso')),
+			$messenger_options
+		);
+		$input = new EE_Select_Input(
+			$messenger_options,
+			array(
+				'html_name'  => 'ee_messenger_filter_by',
+				'html_id'    => 'ee_messenger_filter_by',
+				'html_class' => 'wide',
+				'default'    => isset($this->_req_data['ee_messenger_filter_by'])
+					? sanitize_title($this->_req_data['ee_messenger_filter_by'])
+					: 'none_selected',
+			)
+		);
+
+		return $input->get_html_for_input();
+	}
+
+
+	/**
+	 * Generate select input with provided message type options array.
+	 *
+	 * @param array $message_type_options Array of message types indexed by message type slug, and values are the
+	 *                                    message type labels
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_message_types_select_input($message_type_options)
+	{
+		// if empty or count of options is 1 then just return an empty string
+		if (empty($message_type_options)
+			|| ! is_array($message_type_options)
+			|| count($message_type_options) === 1
+		) {
+			return '';
+		}
+		// merge in default
+		$message_type_options = array_merge(
+			array('none_selected' => esc_html__('Show All Message Types', 'event_espresso')),
+			$message_type_options
+		);
+		$input = new EE_Select_Input(
+			$message_type_options,
+			array(
+				'html_name'  => 'ee_message_type_filter_by',
+				'html_id'    => 'ee_message_type_filter_by',
+				'html_class' => 'wide',
+				'default'    => isset($this->_req_data['ee_message_type_filter_by'])
+					? sanitize_title($this->_req_data['ee_message_type_filter_by'])
+					: 'none_selected',
+			)
+		);
+
+		return $input->get_html_for_input();
+	}
+
+
+	/**
+	 * Generate select input with provide message type contexts array.
+	 *
+	 * @param array $context_options Array of message type contexts indexed by context slug, and values are the
+	 *                               context label.
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_contexts_for_message_types_select_input($context_options)
+	{
+		// if empty or count of options is one then just return empty string
+		if (empty($context_options)
+			|| ! is_array($context_options)
+			|| count($context_options) === 1
+		) {
+			return '';
+		}
+		// merge in default
+		$context_options = array_merge(
+			array('none_selected' => esc_html__('Show all Contexts', 'event_espresso')),
+			$context_options
+		);
+		$input = new EE_Select_Input(
+			$context_options,
+			array(
+				'html_name'  => 'ee_context_filter_by',
+				'html_id'    => 'ee_context_filter_by',
+				'html_class' => 'wide',
+				'default'    => isset($this->_req_data['ee_context_filter_by'])
+					? sanitize_title($this->_req_data['ee_context_filter_by'])
+					: 'none_selected',
+			)
+		);
+
+		return $input->get_html_for_input();
+	}
+
+
+	protected function _ajax_hooks()
+	{
+		add_action('wp_ajax_activate_messenger', array($this, 'activate_messenger_toggle'));
+		add_action('wp_ajax_activate_mt', array($this, 'activate_mt_toggle'));
+		add_action('wp_ajax_ee_msgs_save_settings', array($this, 'save_settings'));
+		add_action('wp_ajax_ee_msgs_update_mt_form', array($this, 'update_mt_form'));
+		add_action('wp_ajax_switch_template_pack', array($this, 'switch_template_pack'));
+		add_action('wp_ajax_toggle_context_template', array($this, 'toggle_context_template'));
+	}
+
+
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = $this->page_label;
+		$this->_labels = array(
+			'buttons'    => array(
+				'add'    => esc_html__('Add New Message Template', 'event_espresso'),
+				'edit'   => esc_html__('Edit Message Template', 'event_espresso'),
+				'delete' => esc_html__('Delete Message Template', 'event_espresso'),
+			),
+			'publishbox' => esc_html__('Update Actions', 'event_espresso'),
+		);
+	}
+
+
+	/**
+	 *        an array for storing key => value pairs of request actions and their corresponding methods
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_page_routes()
+	{
+		$grp_id = ! empty($this->_req_data['GRP_ID']) && ! is_array($this->_req_data['GRP_ID'])
+			? $this->_req_data['GRP_ID']
+			: 0;
+		$grp_id = empty($grp_id) && ! empty($this->_req_data['id'])
+			? $this->_req_data['id']
+			: $grp_id;
+		$msg_id = ! empty($this->_req_data['MSG_ID']) && ! is_array($this->_req_data['MSG_ID'])
+			? $this->_req_data['MSG_ID']
+			: 0;
+
+		$this->_page_routes = array(
+			'default'                          => array(
+				'func'       => '_message_queue_list_table',
+				'capability' => 'ee_read_global_messages',
+			),
+			'global_mtps'                      => array(
+				'func'       => '_ee_default_messages_overview_list_table',
+				'capability' => 'ee_read_global_messages',
+			),
+			'custom_mtps'                      => array(
+				'func'       => '_custom_mtps_preview',
+				'capability' => 'ee_read_messages',
+			),
+			'add_new_message_template'         => array(
+				'func'       => '_add_message_template',
+				'capability' => 'ee_edit_messages',
+				'noheader'   => true,
+			),
+			'edit_message_template'            => array(
+				'func'       => '_edit_message_template',
+				'capability' => 'ee_edit_message',
+				'obj_id'     => $grp_id,
+			),
+			'preview_message'                  => array(
+				'func'               => '_preview_message',
+				'capability'         => 'ee_read_message',
+				'obj_id'             => $grp_id,
+				'noheader'           => true,
+				'headers_sent_route' => 'display_preview_message',
+			),
+			'display_preview_message'          => array(
+				'func'       => '_display_preview_message',
+				'capability' => 'ee_read_message',
+				'obj_id'     => $grp_id,
+			),
+			'insert_message_template'          => array(
+				'func'       => '_insert_or_update_message_template',
+				'capability' => 'ee_edit_messages',
+				'args'       => array('new_template' => true),
+				'noheader'   => true,
+			),
+			'update_message_template'          => array(
+				'func'       => '_insert_or_update_message_template',
+				'capability' => 'ee_edit_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('new_template' => false),
+				'noheader'   => true,
+			),
+			'trash_message_template'           => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => true, 'all' => true),
+				'noheader'   => true,
+			),
+			'trash_message_template_context'   => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => true),
+				'noheader'   => true,
+			),
+			'restore_message_template'         => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => false, 'all' => true),
+				'noheader'   => true,
+			),
+			'restore_message_template_context' => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => false),
+				'noheader'   => true,
+			),
+			'delete_message_template'          => array(
+				'func'       => '_delete_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'noheader'   => true,
+			),
+			'reset_to_default'                 => array(
+				'func'       => '_reset_to_default_template',
+				'capability' => 'ee_edit_message',
+				'obj_id'     => $grp_id,
+				'noheader'   => true,
+			),
+			'settings'                         => array(
+				'func'       => '_settings',
+				'capability' => 'manage_options',
+			),
+			'update_global_settings'           => array(
+				'func'       => '_update_global_settings',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'generate_now'                     => array(
+				'func'       => '_generate_now',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'generate_and_send_now'            => array(
+				'func'       => '_generate_and_send_now',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'queue_for_resending'              => array(
+				'func'       => '_queue_for_resending',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'send_now'                         => array(
+				'func'       => '_send_now',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'delete_ee_message'                => array(
+				'func'       => '_delete_ee_messages',
+				'capability' => 'ee_delete_messages',
+				'noheader'   => true,
+			),
+			'delete_ee_messages'               => array(
+				'func'       => '_delete_ee_messages',
+				'capability' => 'ee_delete_messages',
+				'noheader'   => true,
+				'obj_id'     => $msg_id,
+			),
+		);
+	}
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default'                  => array(
+				'nav'           => array(
+					'label' => esc_html__('Message Activity', 'event_espresso'),
+					'order' => 10,
+				),
+				'list_table'    => 'EE_Message_List_Table',
+				// 'qtips' => array( 'EE_Message_List_Table_Tips' ),
+				'require_nonce' => false,
+			),
+			'global_mtps'              => array(
+				'nav'           => array(
+					'label' => esc_html__('Default Message Templates', 'event_espresso'),
+					'order' => 20,
+				),
+				'list_table'    => 'Messages_Template_List_Table',
+				'help_tabs'     => array(
+					'messages_overview_help_tab'                                => array(
+						'title'    => esc_html__('Messages Overview', 'event_espresso'),
+						'filename' => 'messages_overview',
+					),
+					'messages_overview_messages_table_column_headings_help_tab' => array(
+						'title'    => esc_html__('Messages Table Column Headings', 'event_espresso'),
+						'filename' => 'messages_overview_table_column_headings',
+					),
+					'messages_overview_messages_filters_help_tab'               => array(
+						'title'    => esc_html__('Message Filters', 'event_espresso'),
+						'filename' => 'messages_overview_filters',
+					),
+					'messages_overview_messages_views_help_tab'                 => array(
+						'title'    => esc_html__('Message Views', 'event_espresso'),
+						'filename' => 'messages_overview_views',
+					),
+					'message_overview_message_types_help_tab'                   => array(
+						'title'    => esc_html__('Message Types', 'event_espresso'),
+						'filename' => 'messages_overview_types',
+					),
+					'messages_overview_messengers_help_tab'                     => array(
+						'title'    => esc_html__('Messengers', 'event_espresso'),
+						'filename' => 'messages_overview_messengers',
+					),
+				),
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array('Messages_Overview_Help_Tour'),
+				'require_nonce' => false,
+			),
+			'custom_mtps'              => array(
+				'nav'           => array(
+					'label' => esc_html__('Custom Message Templates', 'event_espresso'),
+					'order' => 30,
+				),
+				'help_tabs'     => array(),
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array(),
+				'require_nonce' => false,
+			),
+			'add_new_message_template' => array(
+				'nav'           => array(
+					'label'      => esc_html__('Add New Message Templates', 'event_espresso'),
+					'order'      => 5,
+					'persistent' => false,
+				),
+				'require_nonce' => false,
+			),
+			'edit_message_template'    => array(
+				'labels'        => array(
+					'buttons'    => array(
+						'reset' => esc_html__('Reset Templates', 'event_espresso'),
+					),
+					'publishbox' => esc_html__('Update Actions', 'event_espresso'),
+				),
+				'nav'           => array(
+					'label'      => esc_html__('Edit Message Templates', 'event_espresso'),
+					'order'      => 5,
+					'persistent' => false,
+					'url'        => '',
+				),
+				'metaboxes'     => array('_publish_post_box', '_register_edit_meta_boxes'),
+				'has_metaboxes' => true,
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array('Message_Templates_Edit_Help_Tour'),
+				'help_tabs'     => array(
+					'edit_message_template'            => array(
+						'title'    => esc_html__('Message Template Editor', 'event_espresso'),
+						'callback' => 'edit_message_template_help_tab',
+					),
+					'message_templates_help_tab'       => array(
+						'title'    => esc_html__('Message Templates', 'event_espresso'),
+						'filename' => 'messages_templates',
+					),
+					'message_template_shortcodes'      => array(
+						'title'    => esc_html__('Message Shortcodes', 'event_espresso'),
+						'callback' => 'message_template_shortcodes_help_tab',
+					),
+					'message_preview_help_tab'         => array(
+						'title'    => esc_html__('Message Preview', 'event_espresso'),
+						'filename' => 'messages_preview',
+					),
+					'messages_overview_other_help_tab' => array(
+						'title'    => esc_html__('Messages Other', 'event_espresso'),
+						'filename' => 'messages_overview_other',
+					),
+				),
+				'require_nonce' => false,
+			),
+			'display_preview_message'  => array(
+				'nav'           => array(
+					'label'      => esc_html__('Message Preview', 'event_espresso'),
+					'order'      => 5,
+					'url'        => '',
+					'persistent' => false,
+				),
+				'help_tabs'     => array(
+					'preview_message' => array(
+						'title'    => esc_html__('About Previews', 'event_espresso'),
+						'callback' => 'preview_message_help_tab',
+					),
+				),
+				'require_nonce' => false,
+			),
+			'settings'                 => array(
+				'nav'           => array(
+					'label' => esc_html__('Settings', 'event_espresso'),
+					'order' => 40,
+				),
+				'metaboxes'     => array('_messages_settings_metaboxes'),
+				'help_tabs'     => array(
+					'messages_settings_help_tab'               => array(
+						'title'    => esc_html__('Messages Settings', 'event_espresso'),
+						'filename' => 'messages_settings',
+					),
+					'messages_settings_message_types_help_tab' => array(
+						'title'    => esc_html__('Activating / Deactivating Message Types', 'event_espresso'),
+						'filename' => 'messages_settings_message_types',
+					),
+					'messages_settings_messengers_help_tab'    => array(
+						'title'    => esc_html__('Activating / Deactivating Messengers', 'event_espresso'),
+						'filename' => 'messages_settings_messengers',
+					),
+				),
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array('Messages_Settings_Help_Tour'),
+				'require_nonce' => false,
+			),
+		);
+	}
+
+
+	protected function _add_screen_options()
+	{
+		// todo
+	}
+
+
+	protected function _add_screen_options_global_mtps()
+	{
+		/**
+		 * Note: the reason for the value swap here on $this->_admin_page_title is because $this->_per_page_screen_options
+		 * uses the $_admin_page_title property and we want different outputs in the different spots.
+		 */
+		$page_title = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Global Message Templates', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+
+	protected function _add_screen_options_default()
+	{
+		$this->_admin_page_title = esc_html__('Message Activity', 'event_espresso');
+		$this->_per_page_screen_option();
+	}
+
+
+	// none of the below group are currently used for Messages
+	protected function _add_feature_pointers()
+	{
+	}
+
+	public function admin_init()
+	{
+	}
+
+	public function admin_notices()
+	{
+	}
+
+	public function admin_footer_scripts()
+	{
+	}
+
+
+	public function messages_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_help_tab.template.php');
+	}
+
+
+	public function messengers_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messenger_help_tab.template.php');
+	}
+
+
+	public function message_types_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_type_help_tab.template.php');
+	}
+
+
+	public function messages_overview_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_overview_help_tab.template.php');
+	}
+
+
+	public function message_templates_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_templates_help_tab.template.php');
+	}
+
+
+	public function edit_message_template_help_tab()
+	{
+		$args['img1'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/editor.png' . '" alt="'
+						. esc_attr__('Editor Title', 'event_espresso')
+						. '" />';
+		$args['img2'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/switch-context.png' . '" alt="'
+						. esc_attr__('Context Switcher and Preview', 'event_espresso')
+						. '" />';
+		$args['img3'] = '<img class="left" src="' . EE_MSG_ASSETS_URL . 'images/form-fields.png' . '" alt="'
+						. esc_attr__('Message Template Form Fields', 'event_espresso')
+						. '" />';
+		$args['img4'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/shortcodes-metabox.png' . '" alt="'
+						. esc_attr__('Shortcodes Metabox', 'event_espresso')
+						. '" />';
+		$args['img5'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/publish-meta-box.png' . '" alt="'
+						. esc_attr__('Publish Metabox', 'event_espresso')
+						. '" />';
+		EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_templates_editor_help_tab.template.php',
+			$args
+		);
+	}
+
+
+	public function message_template_shortcodes_help_tab()
+	{
+		$this->_set_shortcodes();
+		$args['shortcodes'] = $this->_shortcodes;
+		EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_shortcodes_help_tab.template.php',
+			$args
+		);
+	}
+
+
+	public function preview_message_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_preview_help_tab.template.php');
+	}
+
+
+	public function settings_help_tab()
+	{
+		$args['img1'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-active.png'
+						. '" alt="' . esc_attr__('Active Email Tab', 'event_espresso') . '" />';
+		$args['img2'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-inactive.png'
+						. '" alt="' . esc_attr__('Inactive Email Tab', 'event_espresso') . '" />';
+		$args['img3'] = '<div class="switch">'
+						. '<input class="ee-on-off-toggle ee-toggle-round-flat"'
+						. ' type="checkbox" checked="checked">'
+						. '<label for="ee-on-off-toggle-on"></label>'
+						. '</div>';
+		$args['img4'] = '<div class="switch">'
+						. '<input class="ee-on-off-toggle ee-toggle-round-flat"'
+						. ' type="checkbox">'
+						. '<label for="ee-on-off-toggle-on"></label>'
+						. '</div>';
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_settings_help_tab.template.php', $args);
+	}
+
+
+	public function load_scripts_styles()
+	{
+		wp_register_style('espresso_ee_msg', EE_MSG_ASSETS_URL . 'ee_message_admin.css', EVENT_ESPRESSO_VERSION);
+		wp_enqueue_style('espresso_ee_msg');
+
+		wp_register_script(
+			'ee-messages-settings',
+			EE_MSG_ASSETS_URL . 'ee-messages-settings.js',
+			array('jquery-ui-droppable', 'ee-serialize-full-array'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee-msg-list-table-js',
+			EE_MSG_ASSETS_URL . 'ee_message_admin_list_table.js',
+			array('ee-dialog'),
+			EVENT_ESPRESSO_VERSION
+		);
+	}
+
+
+	public function load_scripts_styles_default()
+	{
+		wp_enqueue_script('ee-msg-list-table-js');
+	}
+
+
+	public function wp_editor_css($mce_css)
+	{
+		// if we're on the edit_message_template route
+		if ($this->_req_action === 'edit_message_template' && $this->_active_messenger instanceof EE_messenger) {
+			$message_type_name = $this->_active_message_type_name;
+
+			// we're going to REPLACE the existing mce css
+			// we need to get the css file location from the active messenger
+			$mce_css = $this->_active_messenger->get_variation(
+				$this->_template_pack,
+				$message_type_name,
+				true,
+				'wpeditor',
+				$this->_variation
+			);
+		}
+
+		return $mce_css;
+	}
+
+
+	public function load_scripts_styles_edit_message_template()
+	{
+
+		$this->_set_shortcodes();
+
+		EE_Registry::$i18n_js_strings['confirm_default_reset'] = sprintf(
+			esc_html__(
+				'Are you sure you want to reset the %s %s message templates?  Remember continuing will reset the templates for all contexts in this messenger and message type group.',
+				'event_espresso'
+			),
+			$this->_message_template_group->messenger_obj()->label['singular'],
+			$this->_message_template_group->message_type_obj()->label['singular']
+		);
+		EE_Registry::$i18n_js_strings['confirm_switch_template_pack'] = esc_html__(
+			'Switching the template pack for a messages template will reset the content for the template so the new layout is loaded.  Any custom content in the existing template will be lost. Are you sure you wish to do this?',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['server_error'] = esc_html__(
+			'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+
+		wp_register_script(
+			'ee_msgs_edit_js',
+			EE_MSG_ASSETS_URL . 'ee_message_editor.js',
+			array('jquery'),
+			EVENT_ESPRESSO_VERSION
+		);
+
+		wp_enqueue_script('ee_admin_js');
+		wp_enqueue_script('ee_msgs_edit_js');
+
+		// add in special css for tiny_mce
+		add_filter('mce_css', array($this, 'wp_editor_css'));
+	}
+
+
+	public function load_scripts_styles_display_preview_message()
+	{
+
+		$this->_set_message_template_group();
+
+		if (isset($this->_req_data['messenger'])) {
+			$this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
+				$this->_req_data['messenger']
+			);
+		}
+
+		$message_type_name = isset($this->_req_data['message_type']) ? $this->_req_data['message_type'] : '';
+
+
+		wp_enqueue_style(
+			'espresso_preview_css',
+			$this->_active_messenger->get_variation(
+				$this->_template_pack,
+				$message_type_name,
+				true,
+				'preview',
+				$this->_variation
+			)
+		);
+	}
+
+
+	public function load_scripts_styles_settings()
+	{
+		wp_register_style(
+			'ee-message-settings',
+			EE_MSG_ASSETS_URL . 'ee_message_settings.css',
+			array(),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('ee-text-links');
+		wp_enqueue_style('ee-message-settings');
+		wp_enqueue_script('ee-messages-settings');
+	}
+
+
+	/**
+	 * set views array for List Table
+	 */
+	public function _set_list_table_views_global_mtps()
+	{
+		$this->_views = array(
+			'in_use' => array(
+				'slug'  => 'in_use',
+				'label' => esc_html__('In Use', 'event_espresso'),
+				'count' => 0,
+			),
+		);
+	}
+
+
+	/**
+	 * Set views array for the Custom Template List Table
+	 */
+	public function _set_list_table_views_custom_mtps()
+	{
+		$this->_set_list_table_views_global_mtps();
+		$this->_views['in_use']['bulk_action'] = array(
+			'trash_message_template' => esc_html__('Move to Trash', 'event_espresso'),
+		);
+	}
+
+
+	/**
+	 * set views array for message queue list table
+	 *
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function _set_list_table_views_default()
+	{
+		EE_Registry::instance()->load_helper('Template');
+
+		$common_bulk_actions = EE_Registry::instance()->CAP->current_user_can(
+			'ee_send_message',
+			'message_list_table_bulk_actions'
+		)
+			? array(
+				'generate_now'          => esc_html__('Generate Now', 'event_espresso'),
+				'generate_and_send_now' => esc_html__('Generate and Send Now', 'event_espresso'),
+				'queue_for_resending'   => esc_html__('Queue for Resending', 'event_espresso'),
+				'send_now'              => esc_html__('Send Now', 'event_espresso'),
+			)
+			: array();
+
+		$delete_bulk_action = EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_messages',
+			'message_list_table_bulk_actions'
+		)
+			? array('delete_ee_messages' => esc_html__('Delete Messages', 'event_espresso'))
+			: array();
+
+
+		$this->_views = array(
+			'all' => array(
+				'slug'        => 'all',
+				'label'       => esc_html__('All', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array_merge($common_bulk_actions, $delete_bulk_action),
+			),
+		);
+
+
+		foreach (EEM_Message::instance()->all_statuses() as $status) {
+			if ($status === EEM_Message::status_debug_only && ! EEM_Message::debug()) {
+				continue;
+			}
+			$status_bulk_actions = $common_bulk_actions;
+			// unset bulk actions not applying to status
+			if (! empty($status_bulk_actions)) {
+				switch ($status) {
+					case EEM_Message::status_idle:
+					case EEM_Message::status_resend:
+						$status_bulk_actions['send_now'] = $common_bulk_actions['send_now'];
+						break;
+
+					case EEM_Message::status_failed:
+					case EEM_Message::status_debug_only:
+					case EEM_Message::status_messenger_executing:
+						$status_bulk_actions = array();
+						break;
+
+					case EEM_Message::status_incomplete:
+						unset($status_bulk_actions['queue_for_resending'], $status_bulk_actions['send_now']);
+						break;
+
+					case EEM_Message::status_retry:
+					case EEM_Message::status_sent:
+						unset($status_bulk_actions['generate_now'], $status_bulk_actions['generate_and_send_now']);
+						break;
+				}
+			}
+
+			// skip adding messenger executing status to views because it will be included with the Failed view.
+			if ($status === EEM_Message::status_messenger_executing) {
+				continue;
+			}
+
+			$this->_views[ strtolower($status) ] = array(
+				'slug'        => strtolower($status),
+				'label'       => EEH_Template::pretty_status($status, false, 'sentence'),
+				'count'       => 0,
+				'bulk_action' => array_merge($status_bulk_actions, $delete_bulk_action),
+			);
+		}
+	}
+
+
+	protected function _ee_default_messages_overview_list_table()
+	{
+		$this->_admin_page_title = esc_html__('Default Message Templates', 'event_espresso');
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	protected function _message_queue_list_table()
+	{
+		$this->_search_btn_label = esc_html__('Message Activity', 'event_espresso');
+		$this->_template_args['per_column'] = 6;
+		$this->_template_args['after_list_table'] = $this->_display_legend($this->_message_legend_items());
+		$this->_template_args['before_list_table'] = '<h3>'
+													 . EEM_Message::instance()->get_pretty_label_for_results()
+													 . '</h3>';
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	protected function _message_legend_items()
+	{
+
+		$action_css_classes = EEH_MSG_Template::get_message_action_icons();
+		$action_items = array();
+
+		foreach ($action_css_classes as $action_item => $action_details) {
+			if ($action_item === 'see_notifications_for') {
+				continue;
+			}
+			$action_items[ $action_item ] = array(
+				'class' => $action_details['css_class'],
+				'desc'  => $action_details['label'],
+			);
+		}
+
+		/** @type array $status_items status legend setup */
+		$status_items = array(
+			'sent_status'                => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_sent,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_sent, false, 'sentence'),
+			),
+			'idle_status'                => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_idle,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_idle, false, 'sentence'),
+			),
+			'failed_status'              => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_failed,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_failed, false, 'sentence'),
+			),
+			'messenger_executing_status' => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_messenger_executing,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_messenger_executing, false, 'sentence'),
+			),
+			'resend_status'              => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_resend,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_resend, false, 'sentence'),
+			),
+			'incomplete_status'          => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_incomplete,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_incomplete, false, 'sentence'),
+			),
+			'retry_status'               => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_retry,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_retry, false, 'sentence'),
+			),
+		);
+		if (EEM_Message::debug()) {
+			$status_items['debug_only_status'] = array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_debug_only,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_debug_only, false, 'sentence'),
+			);
+		}
+
+		return array_merge($action_items, $status_items);
+	}
+
+
+	protected function _custom_mtps_preview()
+	{
+		$this->_admin_page_title = esc_html__('Custom Message Templates (Preview)', 'event_espresso');
+		$this->_template_args['preview_img'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/custom_mtps_preview.png"'
+											   . ' alt="' . esc_attr__(
+												   'Preview Custom Message Templates screenshot',
+												   'event_espresso'
+											   ) . '" />';
+		$this->_template_args['preview_text'] = '<strong>'
+												. esc_html__(
+													'Custom Message Templates is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Custom Message Templates feature, you are able to create custom message templates and assign them on a per-event basis.',
+													'event_espresso'
+												)
+												. '</strong>';
+
+		$this->display_admin_caf_preview_page('custom_message_types', false);
+	}
+
+
+	/**
+	 * get_message_templates
+	 * This gets all the message templates for listing on the overview list.
+	 *
+	 * @access public
+	 * @param int    $perpage the amount of templates groups to show per page
+	 * @param string $type    the current _view we're getting templates for
+	 * @param bool   $count   return count?
+	 * @param bool   $all     disregard any paging info (get all data);
+	 * @param bool   $global  whether to return just global (true) or custom templates (false)
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_message_templates(
+		$perpage = 10,
+		$type = 'in_use',
+		$count = false,
+		$all = false,
+		$global = true
+	) {
+
+		$MTP = EEM_Message_Template_Group::instance();
+
+		$this->_req_data['orderby'] = empty($this->_req_data['orderby']) ? 'GRP_ID' : $this->_req_data['orderby'];
+		$orderby = $this->_req_data['orderby'];
+
+		$order = (isset($this->_req_data['order']) && ! empty($this->_req_data['order']))
+			? $this->_req_data['order']
+			: 'ASC';
+
+		$current_page = isset($this->_req_data['paged']) && ! empty($this->_req_data['paged'])
+			? $this->_req_data['paged']
+			: 1;
+		$per_page = isset($this->_req_data['perpage']) && ! empty($this->_req_data['perpage'])
+			? $this->_req_data['perpage']
+			: $perpage;
+
+		$offset = ($current_page - 1) * $per_page;
+		$limit = $all ? null : array($offset, $per_page);
+
+
+		// options will match what is in the _views array property
+		switch ($type) {
+			case 'in_use':
+				$templates = $MTP->get_all_active_message_templates($orderby, $order, $limit, $count, $global, true);
+				break;
+			default:
+				$templates = $MTP->get_all_trashed_grouped_message_templates($orderby, $order, $limit, $count, $global);
+		}
+
+		return $templates;
+	}
+
+
+	/**
+	 * filters etc might need a list of installed message_types
+	 *
+	 * @return array an array of message type objects
+	 */
+	public function get_installed_message_types()
+	{
+		$installed_message_types = $this->_message_resource_manager->installed_message_types();
+		$installed = array();
+
+		foreach ($installed_message_types as $message_type) {
+			$installed[ $message_type->name ] = $message_type;
+		}
+
+		return $installed;
+	}
+
+
+	/**
+	 * _add_message_template
+	 *
+	 * This is used when creating a custom template. All Custom Templates start based off another template.
+	 *
+	 * @param string $message_type
+	 * @param string $messenger
+	 * @param string $GRP_ID
+	 *
+	 * @throws EE_error
+	 */
+	protected function _add_message_template($message_type = '', $messenger = '', $GRP_ID = '')
+	{
+		// set values override any request data
+		$message_type = ! empty($message_type) ? $message_type : $this->request->getRequestParam('message_type');
+		$messenger = ! empty($messenger) ? $messenger : $this->request->getRequestParam('messenger');
+		$GRP_ID = ! empty($GRP_ID) ? $GRP_ID : $this->request->getRequestParam('GRP_ID', 0, 'int');
+
+		// we need messenger and message type.  They should be coming from the event editor. If not here then return error
+		if (empty($message_type) || empty($messenger)) {
+			throw new EE_Error(
+				esc_html__(
+					'Sorry, but we can\'t create new templates because we\'re missing the messenger or message type',
+					'event_espresso'
+				)
+			);
+		}
+
+		// we need the GRP_ID for the template being used as the base for the new template
+		if (empty($GRP_ID)) {
+			throw new EE_Error(
+				esc_html__(
+					'In order to create a custom message template the GRP_ID of the template being used as a base is needed',
+					'event_espresso'
+				)
+			);
+		}
+
+		// let's just make sure the template gets generated!
+
+		// we need to reassign some variables for what the insert is expecting
+		$this->_req_data['MTP_messenger'] = $messenger;
+		$this->_req_data['MTP_message_type'] = $message_type;
+		$this->_req_data['GRP_ID'] = $GRP_ID;
+		$this->_insert_or_update_message_template(true);
+	}
+
+
+	/**
+	 * public wrapper for the _add_message_template method
+	 *
+	 * @param string $message_type     message type slug
+	 * @param string $messenger        messenger slug
+	 * @param int    $GRP_ID           GRP_ID for the related message template group this new template will be based
+	 *                                 off of.
+	 * @throws EE_error
+	 */
+	public function add_message_template($message_type, $messenger, $GRP_ID)
+	{
+		$this->_add_message_template($message_type, $messenger, $GRP_ID);
+	}
+
+
+	/**
+	 * _edit_message_template
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws InvalidIdentifierException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _edit_message_template()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$template_fields = '';
+		$sidebar_fields = '';
+		// we filter the tinyMCE settings to remove the validation since message templates by their nature will not have
+		// valid html in the templates.
+		add_filter('tiny_mce_before_init', array($this, 'filter_tinymce_init'), 10, 2);
+
+		$GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
+			? absint($this->_req_data['id'])
+			: false;
+
+		$EVT_ID = isset($this->_req_data['evt_id']) && ! empty($this->_req_data['evt_id'])
+		? absint($this->_req_data['evt_id'])
+		: false;
+
+		$this->_set_shortcodes(); // this also sets the _message_template property.
+		$message_template_group = $this->_message_template_group;
+		$c_label = $message_template_group->context_label();
+		$c_config = $message_template_group->contexts_config();
+
+		reset($c_config);
+		$context = isset($this->_req_data['context']) && ! empty($this->_req_data['context'])
+			? strtolower($this->_req_data['context'])
+			: key($c_config);
+
+
+		if (empty($GRP_ID)) {
+			$action = 'insert_message_template';
+			$edit_message_template_form_url = add_query_arg(
+				array('action' => $action, 'noheader' => true),
+				EE_MSG_ADMIN_URL
+			);
+		} else {
+			$action = 'update_message_template';
+			$edit_message_template_form_url = add_query_arg(
+				array('action' => $action, 'noheader' => true),
+				EE_MSG_ADMIN_URL
+			);
+		}
+
+		// set active messenger for this view
+		$this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
+			$message_template_group->messenger()
+		);
+		$this->_active_message_type_name = $message_template_group->message_type();
+
+
+		// Do we have any validation errors?
+		$validators = $this->_get_transient();
+		$v_fields = ! empty($validators) ? array_keys($validators) : array();
+
+
+		// we need to assemble the title from Various details
+		$context_label = sprintf(
+			esc_html__('(%s %s)', 'event_espresso'),
+			$c_config[ $context ]['label'],
+			ucwords($c_label['label'])
+		);
+
+		$title = sprintf(
+			esc_html__(' %s %s Template %s', 'event_espresso'),
+			ucwords($message_template_group->messenger_obj()->label['singular']),
+			ucwords($message_template_group->message_type_obj()->label['singular']),
+			$context_label
+		);
+
+		$this->_template_args['GRP_ID'] = $GRP_ID;
+		$this->_template_args['message_template'] = $message_template_group;
+		$this->_template_args['is_extra_fields'] = false;
+
+
+		// let's get EEH_MSG_Template so we can get template form fields
+		$template_field_structure = EEH_MSG_Template::get_fields(
+			$message_template_group->messenger(),
+			$message_template_group->message_type()
+		);
+
+		if (! $template_field_structure) {
+			$template_field_structure = false;
+			$template_fields = esc_html__(
+				'There was an error in assembling the fields for this display (you should see an error message)',
+				'event_espresso'
+			);
+		}
+
+
+		$message_templates = $message_template_group->context_templates();
+
+
+		// if we have the extra key.. then we need to remove the content index from the template_field_structure as it
+		// will get handled in the "extra" array.
+		if (is_array($template_field_structure[ $context ]) && isset($template_field_structure[ $context ]['extra'])) {
+			foreach ($template_field_structure[ $context ]['extra'] as $reference_field => $new_fields) {
+				unset($template_field_structure[ $context ][ $reference_field ]);
+			}
+		}
+
+		// let's loop through the template_field_structure and actually assemble the input fields!
+		if (! empty($template_field_structure)) {
+			foreach ($template_field_structure[ $context ] as $template_field => $field_setup_array) {
+				// if this is an 'extra' template field then we need to remove any existing fields that are keyed up in
+				// the extra array and reset them.
+				if ($template_field === 'extra') {
+					$this->_template_args['is_extra_fields'] = true;
+					foreach ($field_setup_array as $reference_field => $new_fields_array) {
+						$message_template = $message_templates[ $context ][ $reference_field ];
+						$content = $message_template instanceof EE_Message_Template
+							? $message_template->get('MTP_content')
+							: '';
+						foreach ($new_fields_array as $extra_field => $extra_array) {
+							// let's verify if we need this extra field via the shortcodes parameter.
+							$continue = false;
+							if (isset($extra_array['shortcodes_required'])) {
+								foreach ((array) $extra_array['shortcodes_required'] as $shortcode) {
+									if (! array_key_exists($shortcode, $this->_shortcodes)) {
+										$continue = true;
+									}
+								}
+								if ($continue) {
+									continue;
+								}
+							}
+
+							$field_id = $reference_field
+										. '-'
+										. $extra_field
+										. '-content';
+							$template_form_fields[ $field_id ] = $extra_array;
+							$template_form_fields[ $field_id ]['name'] = 'MTP_template_fields['
+																		 . $reference_field
+																		 . '][content]['
+																		 . $extra_field . ']';
+							$css_class = isset($extra_array['css_class'])
+								? $extra_array['css_class']
+								: '';
+
+							$template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
+																			  && in_array($extra_field, $v_fields, true)
+																			  &&
+																			  (
+																				  is_array($validators[ $extra_field ])
+																				  && isset($validators[ $extra_field ]['msg'])
+																			  )
+								? 'validate-error ' . $css_class
+								: $css_class;
+
+							$template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
+																		  && isset($content[ $extra_field ])
+								? $content[ $extra_field ]
+								: '';
+
+							// do we have a validation error?  if we do then let's use that value instead
+							$template_form_fields[ $field_id ]['value'] = isset($validators[ $extra_field ])
+								? $validators[ $extra_field ]['value']
+								: $template_form_fields[ $field_id ]['value'];
+
+
+							$template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
+
+							// shortcode selector
+							$field_name_to_use = $extra_field === 'main'
+								? 'content'
+								: $extra_field;
+							$template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
+								$field_name_to_use,
+								$field_id
+							);
+
+							if (isset($extra_array['input']) && $extra_array['input'] === 'wp_editor') {
+								// we want to decode the entities
+								$template_form_fields[ $field_id ]['value'] = $template_form_fields[ $field_id ]['value'];
+							}/**/
+						}
+						$templatefield_MTP_id = $reference_field . '-MTP_ID';
+						$templatefield_templatename_id = $reference_field . '-name';
+
+						$template_form_fields[ $templatefield_MTP_id ] = array(
+							'name'       => 'MTP_template_fields[' . $reference_field . '][MTP_ID]',
+							'label'      => null,
+							'input'      => 'hidden',
+							'type'       => 'int',
+							'required'   => false,
+							'validation' => false,
+							'value'      => ! empty($message_templates) ? $message_template->ID() : '',
+							'css_class'  => '',
+							'format'     => '%d',
+							'db-col'     => 'MTP_ID',
+						);
+
+						$template_form_fields[ $templatefield_templatename_id ] = array(
+							'name'       => 'MTP_template_fields[' . $reference_field . '][name]',
+							'label'      => null,
+							'input'      => 'hidden',
+							'type'       => 'string',
+							'required'   => false,
+							'validation' => true,
+							'value'      => $reference_field,
+							'css_class'  => '',
+							'format'     => '%s',
+							'db-col'     => 'MTP_template_field',
+						);
+					}
+					continue; // skip the next stuff, we got the necessary fields here for this dataset.
+				} else {
+					$field_id = $template_field . '-content';
+					$template_form_fields[ $field_id ] = $field_setup_array;
+					$template_form_fields[ $field_id ]['name'] = 'MTP_template_fields[' . $template_field . '][content]';
+					$message_template = isset($message_templates[ $context ][ $template_field ])
+						? $message_templates[ $context ][ $template_field ]
+						: null;
+					$template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
+																  && is_array($message_templates[ $context ])
+																  && $message_template instanceof EE_Message_Template
+						? $message_template->get('MTP_content')
+						: '';
+
+					// do we have a validator error for this field?  if we do then we'll use that value instead
+					$template_form_fields[ $field_id ]['value'] = isset($validators[ $template_field ])
+						? $validators[ $template_field ]['value']
+						: $template_form_fields[ $field_id ]['value'];
+
+
+					$template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
+					$css_class = isset($field_setup_array['css_class'])
+						? $field_setup_array['css_class']
+						: '';
+					$template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
+																	  && in_array($template_field, $v_fields, true)
+																	  && isset($validators[ $template_field ]['msg'])
+						? 'validate-error ' . $css_class
+						: $css_class;
+
+					// shortcode selector
+					$template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
+						$template_field,
+						$field_id
+					);
+				}
+
+				// k took care of content field(s) now let's take care of others.
+
+				$templatefield_MTP_id = $template_field . '-MTP_ID';
+				$templatefield_field_templatename_id = $template_field . '-name';
+
+				// foreach template field there are actually two form fields created
+				$template_form_fields[ $templatefield_MTP_id ] = array(
+					'name'       => 'MTP_template_fields[' . $template_field . '][MTP_ID]',
+					'label'      => null,
+					'input'      => 'hidden',
+					'type'       => 'int',
+					'required'   => false,
+					'validation' => true,
+					'value'      => $message_template instanceof EE_Message_Template ? $message_template->ID() : '',
+					'css_class'  => '',
+					'format'     => '%d',
+					'db-col'     => 'MTP_ID',
+				);
+
+				$template_form_fields[ $templatefield_field_templatename_id ] = array(
+					'name'       => 'MTP_template_fields[' . $template_field . '][name]',
+					'label'      => null,
+					'input'      => 'hidden',
+					'type'       => 'string',
+					'required'   => false,
+					'validation' => true,
+					'value'      => $template_field,
+					'css_class'  => '',
+					'format'     => '%s',
+					'db-col'     => 'MTP_template_field',
+				);
+			}
+
+			// add other fields
+			$template_form_fields['ee-msg-current-context'] = array(
+				'name'       => 'MTP_context',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'string',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $context,
+				'css_class'  => '',
+				'format'     => '%s',
+				'db-col'     => 'MTP_context',
+			);
+
+			$template_form_fields['ee-msg-grp-id'] = array(
+				'name'       => 'GRP_ID',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $GRP_ID,
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'GRP_ID',
+			);
+
+			$template_form_fields['ee-msg-messenger'] = array(
+				'name'       => 'MTP_messenger',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'string',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->messenger(),
+				'css_class'  => '',
+				'format'     => '%s',
+				'db-col'     => 'MTP_messenger',
+			);
+
+			$template_form_fields['ee-msg-message-type'] = array(
+				'name'       => 'MTP_message_type',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'string',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->message_type(),
+				'css_class'  => '',
+				'format'     => '%s',
+				'db-col'     => 'MTP_message_type',
+			);
+
+			$sidebar_form_fields['ee-msg-is-global'] = array(
+				'name'       => 'MTP_is_global',
+				'label'      => esc_html__('Global Template', 'event_espresso'),
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->get('MTP_is_global'),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_is_global',
+			);
+
+			$sidebar_form_fields['ee-msg-is-override'] = array(
+				'name'       => 'MTP_is_override',
+				'label'      => esc_html__('Override all custom', 'event_espresso'),
+				'input'      => $message_template_group->is_global() ? 'checkbox' : 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->get('MTP_is_override'),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_is_override',
+			);
+
+			$sidebar_form_fields['ee-msg-is-active'] = array(
+				'name'       => 'MTP_is_active',
+				'label'      => esc_html__('Active Template', 'event_espresso'),
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->is_active(),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_is_active',
+			);
+
+			$sidebar_form_fields['ee-msg-deleted'] = array(
+				'name'       => 'MTP_deleted',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->get('MTP_deleted'),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_deleted',
+			);
+			$sidebar_form_fields['ee-msg-author'] = array(
+				'name'       => 'MTP_user_id',
+				'label'      => esc_html__('Author', 'event_espresso'),
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => false,
+				'value'      => $message_template_group->user(),
+				'format'     => '%d',
+				'db-col'     => 'MTP_user_id',
+			);
+
+			$sidebar_form_fields['ee-msg-route'] = array(
+				'name'  => 'action',
+				'input' => 'hidden',
+				'type'  => 'string',
+				'value' => $action,
+			);
+
+			$sidebar_form_fields['ee-msg-id'] = array(
+				'name'  => 'id',
+				'input' => 'hidden',
+				'type'  => 'int',
+				'value' => $GRP_ID,
+			);
+			$sidebar_form_fields['ee-msg-evt-nonce'] = array(
+				'name'  => $action . '_nonce',
+				'input' => 'hidden',
+				'type'  => 'string',
+				'value' => wp_create_nonce($action . '_nonce'),
+			);
+
+			if (isset($this->_req_data['template_switch']) && $this->_req_data['template_switch']) {
+				$sidebar_form_fields['ee-msg-template-switch'] = array(
+					'name'  => 'template_switch',
+					'input' => 'hidden',
+					'type'  => 'int',
+					'value' => 1,
+				);
+			}
+
+
+			$template_fields = $this->_generate_admin_form_fields($template_form_fields);
+			$sidebar_fields = $this->_generate_admin_form_fields($sidebar_form_fields);
+		} //end if ( !empty($template_field_structure) )
+
+		// set extra content for publish box
+		$this->_template_args['publish_box_extra_content'] = $sidebar_fields;
+		$this->_set_publish_post_box_vars(
+			'id',
+			$GRP_ID,
+			false,
+			add_query_arg(
+				array('action' => 'global_mtps'),
+				$this->_admin_base_url
+			)
+		);
+
+		// add preview button
+		$preview_url = parent::add_query_args_and_nonce(
+			array(
+				'message_type' => $message_template_group->message_type(),
+				'messenger'    => $message_template_group->messenger(),
+				'context'      => $context,
+				'GRP_ID'       => $GRP_ID,
+				'evt_id'       => $EVT_ID,
+				'action'       => 'preview_message',
+			),
+			$this->_admin_base_url
+		);
+		$preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">'
+						  . esc_html__('Preview', 'event_espresso')
+						  . '</a>';
+
+
+		// setup context switcher
+		$context_switcher_args = array(
+			'page'    => 'espresso_messages',
+			'action'  => 'edit_message_template',
+			'id'      => $GRP_ID,
+			'evt_id'  => $EVT_ID,
+			'context' => $context,
+			'extra'   => $preview_button,
+		);
+		$this->_set_context_switcher($message_template_group, $context_switcher_args);
+
+
+		// main box
+		$this->_template_args['template_fields'] = $template_fields;
+		$this->_template_args['sidebar_box_id'] = 'details';
+		$this->_template_args['action'] = $action;
+		$this->_template_args['context'] = $context;
+		$this->_template_args['edit_message_template_form_url'] = $edit_message_template_form_url;
+		$this->_template_args['learn_more_about_message_templates_link'] =
+			$this->_learn_more_about_message_templates_link();
+
+
+		$this->_template_args['before_admin_page_content'] = $this->add_context_switcher();
+		$this->_template_args['before_admin_page_content'] .= $this->add_active_context_element(
+			$message_template_group,
+			$context,
+			$context_label
+		);
+		$this->_template_args['before_admin_page_content'] .= $this->_add_form_element_before();
+		$this->_template_args['after_admin_page_content'] = $this->_add_form_element_after();
+
+		$this->_template_path = $this->_template_args['GRP_ID']
+			? EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_edit_meta_box.template.php'
+			: EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_add_meta_box.template.php';
+
+		// send along EE_Message_Template_Group object for further template use.
+		$this->_template_args['MTP'] = $message_template_group;
+
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$this->_template_path,
+			$this->_template_args,
+			true
+		);
+
+
+		// finally, let's set the admin_page title
+		$this->_admin_page_title = sprintf(__('Editing %s', 'event_espresso'), $title);
+
+
+		// we need to take care of setting the shortcodes property for use elsewhere.
+		$this->_set_shortcodes();
+
+
+		// final template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	public function filter_tinymce_init($mceInit, $editor_id)
+	{
+		return $mceInit;
+	}
+
+
+	public function add_context_switcher()
+	{
+		return $this->_context_switcher;
+	}
+
+
+	/**
+	 * Adds the activation/deactivation toggle for the message template context.
+	 *
+	 * @param EE_Message_Template_Group $message_template_group
+	 * @param string                    $context
+	 * @param string                    $context_label
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidIdentifierException
+	 */
+	protected function add_active_context_element(
+		EE_Message_Template_Group $message_template_group,
+		$context,
+		$context_label
+	) {
+		$template_args = array(
+			'context'                   => $context,
+			'nonce'                     => wp_create_nonce('activate_' . $context . '_toggle_nonce'),
+			'is_active'                 => $message_template_group->is_context_active($context),
+			'on_off_action'             => $message_template_group->is_context_active($context)
+				? 'context-off'
+				: 'context-on',
+			'context_label'             => str_replace(array('(', ')'), '', $context_label),
+			'message_template_group_id' => $message_template_group->ID(),
+		);
+		return EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'ee_msg_editor_active_context_element.template.php',
+			$template_args,
+			true
+		);
+	}
+
+
+	/**
+	 * Ajax callback for `toggle_context_template` ajax action.
+	 * Handles toggling the message context on or off.
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidIdentifierException
+	 * @throws InvalidInterfaceException
+	 */
+	public function toggle_context_template()
+	{
+		$success = true;
+		// check for required data
+		if (! isset(
+			$this->_req_data['message_template_group_id'],
+			$this->_req_data['context'],
+			$this->_req_data['status']
+		)) {
+			EE_Error::add_error(
+				esc_html__('Required data for doing this action is not available.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		$nonce = isset($this->_req_data['toggle_context_nonce'])
+			? sanitize_text_field($this->_req_data['toggle_context_nonce'])
+			: '';
+		$nonce_ref = 'activate_' . $this->_req_data['context'] . '_toggle_nonce';
+		$this->_verify_nonce($nonce, $nonce_ref);
+		$status = $this->_req_data['status'];
+		if ($status !== 'off' && $status !== 'on') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
+					$this->_req_data['status']
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+		$message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID(
+			$this->_req_data['message_template_group_id']
+		);
+		if (! $message_template_group instanceof EE_Message_Template_Group) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'Unable to change the active state because the given id "%1$d" does not match a valid "%2$s"',
+						'event_espresso'
+					),
+					$this->_req_data['message_template_group_id'],
+					'EE_Message_Template_Group'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+		if ($success) {
+			$success = $status === 'off'
+				? $message_template_group->deactivate_context($this->_req_data['context'])
+				: $message_template_group->activate_context($this->_req_data['context']);
+		}
+		$this->_template_args['success'] = $success;
+		$this->_return_json();
+	}
+
+
+	public function _add_form_element_before()
+	{
+		return '<form method="post" action="'
+			   . $this->_template_args["edit_message_template_form_url"]
+			   . '" id="ee-msg-edit-frm">';
+	}
+
+	public function _add_form_element_after()
+	{
+		return '</form>';
+	}
+
+
+	/**
+	 * This executes switching the template pack for a message template.
+	 *
+	 * @since 4.5.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	public function switch_template_pack()
+	{
+		$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
+		$template_pack = ! empty($this->_req_data['template_pack']) ? $this->_req_data['template_pack'] : '';
+
+		// verify we have needed values.
+		if (empty($GRP_ID) || empty($template_pack)) {
+			$this->_template_args['error'] = true;
+			EE_Error::add_error(
+				esc_html__('The required date for switching templates is not available.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		} else {
+			// get template, set the new template_pack and then reset to default
+			/** @type EE_Message_Template_Group $message_template_group */
+			$message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
+
+			$message_template_group->set_template_pack_name($template_pack);
+			$this->_req_data['msgr'] = $message_template_group->messenger();
+			$this->_req_data['mt'] = $message_template_group->message_type();
+
+			$query_args = $this->_reset_to_default_template();
+
+			if (empty($query_args['id'])) {
+				EE_Error::add_error(
+					esc_html__(
+						'Something went wrong with switching the template pack. Please try again or contact EE support',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				$this->_template_args['error'] = true;
+			} else {
+				$template_label = $message_template_group->get_template_pack()->label;
+				$template_pack_labels = $message_template_group->messenger_obj()->get_supports_labels();
+				EE_Error::add_success(
+					sprintf(
+						esc_html__(
+							'This message template has been successfully switched to use the %1$s %2$s.  Please wait while the page reloads with your new template.',
+							'event_espresso'
+						),
+						$template_label,
+						$template_pack_labels->template_pack
+					)
+				);
+				// generate the redirect url for js.
+				$url = self::add_query_args_and_nonce(
+					$query_args,
+					$this->_admin_base_url
+				);
+				$this->_template_args['data']['redirect_url'] = $url;
+				$this->_template_args['success'] = true;
+			}
+
+			$this->_return_json();
+		}
+	}
+
+
+	/**
+	 * This handles resetting the template for the given messenger/message_type so that users can start from scratch if
+	 * they want.
+	 *
+	 * @access protected
+	 * @return array|null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _reset_to_default_template()
+	{
+
+		$templates = array();
+		$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
+		// we need to make sure we've got the info we need.
+		if (! isset($this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'In order to reset the template to its default we require the messenger, message type, and message template GRP_ID to know what is being reset.  At least one of these is missing.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		// all templates will be reset to whatever the defaults are
+		// for the global template matching the messenger and message type.
+		$success = ! empty($GRP_ID) ? true : false;
+
+		if ($success) {
+			// let's first determine if the incoming template is a global template,
+			// if it isn't then we need to get the global template matching messenger and message type.
+			// $MTPG = EEM_Message_Template_Group::instance()->get_one_by_ID( $GRP_ID );
+
+
+			// note this is ONLY deleting the template fields (Message Template rows) NOT the message template group.
+			$success = $this->_delete_mtp_permanently($GRP_ID, false);
+
+			if ($success) {
+				// if successfully deleted, lets generate the new ones.
+				// Note. We set GLOBAL to true, because resets on ANY template
+				// will use the related global template defaults for regeneration.
+				// This means that if a custom template is reset it resets to whatever the related global template is.
+				// HOWEVER, we DO keep the template pack and template variation set
+				// for the current custom template when resetting.
+				$templates = $this->_generate_new_templates(
+					$this->_req_data['msgr'],
+					$this->_req_data['mt'],
+					$GRP_ID,
+					true
+				);
+			}
+		}
+
+		// any error messages?
+		if (! $success) {
+			EE_Error::add_error(
+				esc_html__(
+					'Something went wrong with deleting existing templates. Unable to reset to default',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		// all good, let's add a success message!
+		if ($success && ! empty($templates)) {
+			// the info for the template we generated is the first element in the returned array
+			// $templates = $templates[0];
+			EE_Error::overwrite_success();
+			EE_Error::add_success(__('Templates have been reset to defaults.', 'event_espresso'));
+		}
+
+
+		$query_args = array(
+			'id'      => isset($templates[0]['GRP_ID']) ? $templates[0]['GRP_ID'] : null,
+			'context' => isset($templates[0]['MTP_context']) ? $templates[0]['MTP_context'] : null,
+			'action'  => isset($templates[0]['GRP_ID']) ? 'edit_message_template' : 'global_mtps',
+		);
+
+		// if called via ajax then we return query args otherwise redirect
+		if (defined('DOING_AJAX') && DOING_AJAX) {
+			return $query_args;
+		} else {
+			$this->_redirect_after_action(false, '', '', $query_args, true);
+
+			return null;
+		}
+	}
+
+
+	/**
+	 * Retrieve and set the message preview for display.
+	 *
+	 * @param bool $send if TRUE then we are doing an actual TEST send with the results of the preview.
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function _preview_message($send = false)
+	{
+		// first make sure we've got the necessary parameters
+		if (
+			! (
+				$this->request->requestParamIsSet('message_type')
+				&& $this->request->requestParamIsSet('messenger')
+				&& $this->request->requestParamIsSet('GRP_ID')
+			)
+		) {
+			EE_Error::add_error(
+				esc_html__('Missing necessary parameters for displaying preview', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		$context = $this->request->getRequestParam('context');
+		$messenger = $this->request->getRequestParam('messenger');
+		$message_type = $this->request->getRequestParam('message_type');
+
+		// get the preview!
+		$preview = EED_Messages::preview_message($message_type, $context, $messenger, $send);
+
+		if ($send) {
+			return $preview;
+		}
+
+		// let's add a button to go back to the edit view
+		$query_args = array(
+			'id'      => $this->request->getRequestParam('GRP_ID', 0, 'int'),
+			'evt_id'  => $this->request->getRequestParam('evt_id', 0, 'int'),
+			'context' => $context,
+			'action'  => 'edit_message_template',
+		);
+		$go_back_url = parent::add_query_args_and_nonce($query_args, $this->_admin_base_url);
+		$preview_button = '<a href="'
+						  . $go_back_url
+						  . '" class="button-secondary messages-preview-go-back-button">'
+						  . esc_html__('Go Back to Edit', 'event_espresso')
+						  . '</a>';
+		$message_types = $this->get_installed_message_types();
+		$active_messenger = $this->_message_resource_manager->get_active_messenger($messenger);
+		$active_messenger_label = $active_messenger instanceof EE_messenger
+			? ucwords($active_messenger->label['singular'])
+			: esc_html__('Unknown Messenger', 'event_espresso');
+		// let's provide a helpful title for context
+		$preview_title = sprintf(
+			esc_html__('Viewing Preview for %s %s Message Template', 'event_espresso'),
+			$active_messenger_label,
+			ucwords($message_types[ $message_type ]->label['singular'])
+		);
+		if (empty($preview)) {
+			$this->noEventsErrorMessage();
+		}
+		// setup display of preview.
+		$this->_admin_page_title = $preview_title;
+		$this->_template_args['admin_page_title'] = $preview_title;
+		$this->_template_args['admin_page_content'] = $preview_button . '<br />' . $preview;
+		$this->_template_args['data']['force_json'] = true;
+
+		return '';
+	}
+
+
+	/**
+	 * Used to set an error if there are no events available for generating a preview/test send.
+	 *
+	 * @param bool $test_send  Whether the error should be generated for the context of a test send.
+	 */
+	protected function noEventsErrorMessage($test_send = false)
+	{
+		$events_url = parent::add_query_args_and_nonce(
+			array(
+				'action' => 'default',
+				'page'   => 'espresso_events',
+			),
+			admin_url('admin.php')
+		);
+		$message = $test_send
+			? __(
+				'A test message could not be sent for this message template because there are no events created yet. The preview system uses actual events for generating the test message. %1$sGo see your events%2$s!',
+				'event_espresso'
+			)
+			: __(
+				'There is no preview for this message template available because there are no events created yet. The preview system uses actual events for generating the preview. %1$sGo see your events%2$s!',
+				'event_espresso'
+			);
+
+		EE_Error::add_attention(
+			sprintf(
+				$message,
+				"<a href='{$events_url}'>",
+				'</a>'
+			)
+		);
+	}
+
+
+	/**
+	 * The initial _preview_message is on a no headers route.  It will optionally call this if necessary otherwise it
+	 * gets called automatically.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return string
+	 */
+	protected function _display_preview_message()
+	{
+		$this->display_admin_page_with_no_sidebar();
+	}
+
+
+	/**
+	 * registers metaboxes that should show up on the "edit_message_template" page
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _register_edit_meta_boxes()
+	{
+		add_meta_box(
+			'mtp_valid_shortcodes',
+			esc_html__('Valid Shortcodes', 'event_espresso'),
+			array($this, 'shortcode_meta_box'),
+			$this->_current_screen->id,
+			'side',
+			'default'
+		);
+		add_meta_box(
+			'mtp_extra_actions',
+			esc_html__('Extra Actions', 'event_espresso'),
+			array($this, 'extra_actions_meta_box'),
+			$this->_current_screen->id,
+			'side',
+			'high'
+		);
+		add_meta_box(
+			'mtp_templates',
+			esc_html__('Template Styles', 'event_espresso'),
+			array($this, 'template_pack_meta_box'),
+			$this->_current_screen->id,
+			'side',
+			'high'
+		);
+	}
+
+
+	/**
+	 * metabox content for all template pack and variation selection.
+	 *
+	 * @since 4.5.0
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function template_pack_meta_box()
+	{
+		$this->_set_message_template_group();
+
+		$tp_collection = EEH_MSG_Template::get_template_pack_collection();
+
+		$tp_select_values = array();
+
+		foreach ($tp_collection as $tp) {
+			// only include template packs that support this messenger and message type!
+			$supports = $tp->get_supports();
+			if (! isset($supports[ $this->_message_template_group->messenger() ])
+				|| ! in_array(
+					$this->_message_template_group->message_type(),
+					$supports[ $this->_message_template_group->messenger() ],
+					true
+				)
+			) {
+				// not supported
+				continue;
+			}
+
+			$tp_select_values[] = array(
+				'text' => $tp->label,
+				'id'   => $tp->dbref,
+			);
+		}
+
+		// if empty $tp_select_values then we make sure default is set because EVERY message type should be supported by
+		// the default template pack.  This still allows for the odd template pack to override.
+		if (empty($tp_select_values)) {
+			$tp_select_values[] = array(
+				'text' => esc_html__('Default', 'event_espresso'),
+				'id'   => 'default',
+			);
+		}
+
+		// setup variation select values for the currently selected template.
+		$variations = $this->_message_template_group->get_template_pack()->get_variations(
+			$this->_message_template_group->messenger(),
+			$this->_message_template_group->message_type()
+		);
+		$variations_select_values = array();
+		foreach ($variations as $variation => $label) {
+			$variations_select_values[] = array(
+				'text' => $label,
+				'id'   => $variation,
+			);
+		}
+
+		$template_pack_labels = $this->_message_template_group->messenger_obj()->get_supports_labels();
+
+		$template_args['template_packs_selector'] = EEH_Form_Fields::select_input(
+			'MTP_template_pack',
+			$tp_select_values,
+			$this->_message_template_group->get_template_pack_name()
+		);
+		$template_args['variations_selector'] = EEH_Form_Fields::select_input(
+			'MTP_template_variation',
+			$variations_select_values,
+			$this->_message_template_group->get_template_pack_variation()
+		);
+		$template_args['template_pack_label'] = $template_pack_labels->template_pack;
+		$template_args['template_variation_label'] = $template_pack_labels->template_variation;
+		$template_args['template_pack_description'] = $template_pack_labels->template_pack_description;
+		$template_args['template_variation_description'] = $template_pack_labels->template_variation_description;
+
+		$template = EE_MSG_TEMPLATE_PATH . 'template_pack_and_variations_metabox.template.php';
+
+		EEH_Template::display_template($template, $template_args);
+	}
+
+
+	/**
+	 * This meta box holds any extra actions related to Message Templates
+	 * For now, this includes Resetting templates to defaults and sending a test email.
+	 *
+	 * @access  public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function extra_actions_meta_box()
+	{
+		$template_form_fields = array();
+
+		$extra_args = array(
+			'msgr'   => $this->_message_template_group->messenger(),
+			'mt'     => $this->_message_template_group->message_type(),
+			'GRP_ID' => $this->_message_template_group->GRP_ID(),
+		);
+		// first we need to see if there are any fields
+		$fields = $this->_message_template_group->messenger_obj()->get_test_settings_fields();
+
+		if (! empty($fields)) {
+			// yup there be fields
+			foreach ($fields as $field => $config) {
+				$field_id = $this->_message_template_group->messenger() . '_' . $field;
+				$existing = $this->_message_template_group->messenger_obj()->get_existing_test_settings();
+				$default = isset($config['default']) ? $config['default'] : '';
+				$default = isset($config['value']) ? $config['value'] : $default;
+
+				// if type is hidden and the value is empty
+				// something may have gone wrong so let's correct with the defaults
+				$fix = $config['input'] === 'hidden'
+					   && isset($existing[ $field ])
+					   && empty($existing[ $field ])
+					? $default
+					: '';
+				$existing[ $field ] = isset($existing[ $field ]) && empty($fix)
+					? $existing[ $field ]
+					: $fix;
+
+				$template_form_fields[ $field_id ] = array(
+					'name'       => 'test_settings_fld[' . $field . ']',
+					'label'      => $config['label'],
+					'input'      => $config['input'],
+					'type'       => $config['type'],
+					'required'   => $config['required'],
+					'validation' => $config['validation'],
+					'value'      => isset($existing[ $field ]) ? $existing[ $field ] : $default,
+					'css_class'  => $config['css_class'],
+					'options'    => isset($config['options']) ? $config['options'] : array(),
+					'default'    => $default,
+					'format'     => $config['format'],
+				);
+			}
+		}
+
+		$test_settings_fields = ! empty($template_form_fields)
+			? $this->_generate_admin_form_fields($template_form_fields, 'string', 'ee_tst_settings_flds')
+			: '';
+
+		$test_settings_html = '';
+		// print out $test_settings_fields
+		if (! empty($test_settings_fields)) {
+			echo $test_settings_fields;
+			$test_settings_html = '<input type="submit" class="button-primary mtp-test-button alignright" ';
+			$test_settings_html .= 'name="test_button" value="';
+			$test_settings_html .= esc_html__('Test Send', 'event_espresso');
+			$test_settings_html .= '" /><div style="clear:both"></div>';
+		}
+
+		// and button
+		$test_settings_html .= '<p>'
+							   . esc_html__('Need to reset this message type and start over?', 'event_espresso')
+							   . '</p>';
+		$test_settings_html .= '<div class="publishing-action alignright resetbutton">';
+		$test_settings_html .= $this->get_action_link_or_button(
+			'reset_to_default',
+			'reset',
+			$extra_args,
+			'button-primary reset-default-button'
+		);
+		$test_settings_html .= '</div><div style="clear:both"></div>';
+		echo $test_settings_html;
+	}
+
+
+	/**
+	 * This returns the shortcode selector skeleton for a given context and field.
+	 *
+	 * @since 4.9.rc.000
+	 * @param string $field           The name of the field retrieving shortcodes for.
+	 * @param string $linked_input_id The css id of the input that the shortcodes get added to.
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_shortcode_selector($field, $linked_input_id)
+	{
+		$template_args = array(
+			'shortcodes'      => $this->_get_shortcodes(array($field), true),
+			'fieldname'       => $field,
+			'linked_input_id' => $linked_input_id,
+		);
+
+		return EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'shortcode_selector_skeleton.template.php',
+			$template_args,
+			true
+		);
+	}
+
+
+	/**
+	 * This just takes care of returning the meta box content for shortcodes (only used on the edit message template
+	 * page)
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function shortcode_meta_box()
+	{
+		$shortcodes = $this->_get_shortcodes(array(), false); // just make sure shortcodes property is set
+		// $messenger = $this->_message_template_group->messenger_obj();
+		// now let's set the content depending on the status of the shortcodes array
+		if (empty($shortcodes)) {
+			$content = '<p>' . esc_html__('There are no valid shortcodes available', 'event_espresso') . '</p>';
+			echo $content;
+		} else {
+			// $alt = 0;
+			?>
             <div style="float:right; margin-top:10px"><?php
-                            echo $this->_get_help_tab_link('message_template_shortcodes');
-                            ?></div>
+							echo $this->_get_help_tab_link('message_template_shortcodes');
+							?></div>
             <p class="small-text"><?php
-                                  printf(
-                                      esc_html__(
-                                          'You can view the shortcodes usable in your template by clicking the %s icon next to each field.',
-                                          'event_espresso'
-                                      ),
-                                      '<span class="dashicons dashicons-menu"></span>'
-                                  );
-                                ?>
+								  printf(
+									  esc_html__(
+										  'You can view the shortcodes usable in your template by clicking the %s icon next to each field.',
+										  'event_espresso'
+									  ),
+									  '<span class="dashicons dashicons-menu"></span>'
+								  );
+								?>
             </p>
             <?php
-        }
-    }
-
-
-    /**
-     * used to set the $_shortcodes property for when its needed elsewhere.
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _set_shortcodes()
-    {
-
-        // no need to run this if the property is already set
-        if (! empty($this->_shortcodes)) {
-            return;
-        }
-
-        $this->_shortcodes = $this->_get_shortcodes();
-    }
-
-
-    /**
-     * get's all shortcodes for a given template group. (typically used by _set_shortcodes to set the $_shortcodes
-     * property)
-     *
-     * @access  protected
-     * @param  array   $fields include an array of specific field names that you want to be used to get the shortcodes
-     *                         for. Defaults to all (for the given context)
-     * @param  boolean $merged Whether to merge all the shortcodes into one list of unique shortcodes
-     * @return array Shortcodes indexed by fieldname and the an array of shortcode/label pairs OR if merged is
-     *                         true just an array of shortcode/label pairs.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_shortcodes($fields = array(), $merged = true)
-    {
-        $this->_set_message_template_group();
-
-        // we need the messenger and message template to retrieve the valid shortcodes array.
-        $GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
-            ? absint($this->_req_data['id'])
-            : false;
-        $context = isset($this->_req_data['context'])
-            ? $this->_req_data['context']
-            : key($this->_message_template_group->contexts_config());
-
-        return ! empty($GRP_ID) ? $this->_message_template_group->get_shortcodes($context, $fields, $merged) : array();
-    }
-
-
-    /**
-     * This sets the _message_template property (containing the called message_template object)
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _set_message_template_group()
-    {
-
-        if (! empty($this->_message_template_group)) {
-            return;
-        } //get out if this is already set.
-
-        $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? absint($this->_req_data['GRP_ID']) : false;
-        $GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['id']) ? $this->_req_data['id'] : $GRP_ID;
-
-        // let's get the message templates
-        $MTP = EEM_Message_Template_Group::instance();
-
-        if (empty($GRP_ID)) {
-            $this->_message_template_group = $MTP->create_default_object();
-        } else {
-            $this->_message_template_group = $MTP->get_one_by_ID($GRP_ID);
-        }
-
-        $this->_template_pack = $this->_message_template_group->get_template_pack();
-        $this->_variation = $this->_message_template_group->get_template_pack_variation();
-    }
-
-
-    /**
-     * sets up a context switcher for edit forms
-     *
-     * @access  protected
-     * @param  EE_Message_Template_Group $template_group_object the template group object being displayed on the form
-     * @param array                      $args                  various things the context switcher needs.
-     * @throws EE_Error
-     */
-    protected function _set_context_switcher(EE_Message_Template_Group $template_group_object, $args)
-    {
-        $context_details = $template_group_object->contexts_config();
-        $context_label = $template_group_object->context_label();
-        ob_start();
-        ?>
+		}
+	}
+
+
+	/**
+	 * used to set the $_shortcodes property for when its needed elsewhere.
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _set_shortcodes()
+	{
+
+		// no need to run this if the property is already set
+		if (! empty($this->_shortcodes)) {
+			return;
+		}
+
+		$this->_shortcodes = $this->_get_shortcodes();
+	}
+
+
+	/**
+	 * get's all shortcodes for a given template group. (typically used by _set_shortcodes to set the $_shortcodes
+	 * property)
+	 *
+	 * @access  protected
+	 * @param  array   $fields include an array of specific field names that you want to be used to get the shortcodes
+	 *                         for. Defaults to all (for the given context)
+	 * @param  boolean $merged Whether to merge all the shortcodes into one list of unique shortcodes
+	 * @return array Shortcodes indexed by fieldname and the an array of shortcode/label pairs OR if merged is
+	 *                         true just an array of shortcode/label pairs.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_shortcodes($fields = array(), $merged = true)
+	{
+		$this->_set_message_template_group();
+
+		// we need the messenger and message template to retrieve the valid shortcodes array.
+		$GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
+			? absint($this->_req_data['id'])
+			: false;
+		$context = isset($this->_req_data['context'])
+			? $this->_req_data['context']
+			: key($this->_message_template_group->contexts_config());
+
+		return ! empty($GRP_ID) ? $this->_message_template_group->get_shortcodes($context, $fields, $merged) : array();
+	}
+
+
+	/**
+	 * This sets the _message_template property (containing the called message_template object)
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _set_message_template_group()
+	{
+
+		if (! empty($this->_message_template_group)) {
+			return;
+		} //get out if this is already set.
+
+		$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? absint($this->_req_data['GRP_ID']) : false;
+		$GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['id']) ? $this->_req_data['id'] : $GRP_ID;
+
+		// let's get the message templates
+		$MTP = EEM_Message_Template_Group::instance();
+
+		if (empty($GRP_ID)) {
+			$this->_message_template_group = $MTP->create_default_object();
+		} else {
+			$this->_message_template_group = $MTP->get_one_by_ID($GRP_ID);
+		}
+
+		$this->_template_pack = $this->_message_template_group->get_template_pack();
+		$this->_variation = $this->_message_template_group->get_template_pack_variation();
+	}
+
+
+	/**
+	 * sets up a context switcher for edit forms
+	 *
+	 * @access  protected
+	 * @param  EE_Message_Template_Group $template_group_object the template group object being displayed on the form
+	 * @param array                      $args                  various things the context switcher needs.
+	 * @throws EE_Error
+	 */
+	protected function _set_context_switcher(EE_Message_Template_Group $template_group_object, $args)
+	{
+		$context_details = $template_group_object->contexts_config();
+		$context_label = $template_group_object->context_label();
+		ob_start();
+		?>
         <div class="ee-msg-switcher-container">
             <form method="get" action="<?php echo EE_MSG_ADMIN_URL; ?>" id="ee-msg-context-switcher-frm">
                 <?php
-                foreach ($args as $name => $value) {
-                    if ($name === 'context' || empty($value) || $name === 'extra') {
-                        continue;
-                    }
-                    ?>
+				foreach ($args as $name => $value) {
+					if ($name === 'context' || empty($value) || $name === 'extra') {
+						continue;
+					}
+					?>
                     <input type="hidden" name="<?php echo $name; ?>" value="<?php echo $value; ?>"/>
                     <?php
-                }
-                // setup nonce_url
-                wp_nonce_field($args['action'] . '_nonce', $args['action'] . '_nonce', false);
-                ?>
+				}
+				// setup nonce_url
+				wp_nonce_field($args['action'] . '_nonce', $args['action'] . '_nonce', false);
+				?>
                 <select name="context">
                     <?php
-                    $context_templates = $template_group_object->context_templates();
-                    if (is_array($context_templates)) :
-                        foreach ($context_templates as $context => $template_fields) :
-                            $checked = ($context === $args['context']) ? 'selected="selected"' : '';
-                            ?>
+					$context_templates = $template_group_object->context_templates();
+					if (is_array($context_templates)) :
+						foreach ($context_templates as $context => $template_fields) :
+							$checked = ($context === $args['context']) ? 'selected="selected"' : '';
+							?>
                             <option value="<?php echo $context; ?>" <?php echo $checked; ?>>
                                 <?php echo $context_details[ $context ]['label']; ?>
                             </option>
                         <?php endforeach;
-                    endif; ?>
+					endif; ?>
                 </select>
                 <?php $button_text = sprintf(__('Switch %s', 'event_espresso'), ucwords($context_label['label'])); ?>
                 <input id="submit-msg-context-switcher-sbmt" class="button-secondary" type="submit"
@@ -2645,1925 +2645,1925 @@ 
             <?php echo $args['extra']; ?>
         </div> <!-- end .ee-msg-switcher-container -->
         <?php
-        $output = ob_get_contents();
-        ob_clean();
-        $this->_context_switcher = $output;
-    }
-
-
-    /**
-     * utility for sanitizing new values coming in.
-     * Note: this is only used when updating a context.
-     *
-     * @access protected
-     *
-     * @param int $index This helps us know which template field to select from the request array.
-     *
-     * @return array
-     */
-    protected function _set_message_template_column_values($index)
-    {
-        if (is_array($this->_req_data['MTP_template_fields'][ $index ]['content'])) {
-            foreach ($this->_req_data['MTP_template_fields'][ $index ]['content'] as $field => $value) {
-                $this->_req_data['MTP_template_fields'][ $index ]['content'][ $field ] = $value;
-            }
-        }
-
-
-        $set_column_values = array(
-            'MTP_ID'             => absint($this->_req_data['MTP_template_fields'][ $index ]['MTP_ID']),
-            'GRP_ID'             => absint($this->_req_data['GRP_ID']),
-            'MTP_user_id'        => absint($this->_req_data['MTP_user_id']),
-            'MTP_messenger'      => strtolower($this->_req_data['MTP_messenger']),
-            'MTP_message_type'   => strtolower($this->_req_data['MTP_message_type']),
-            'MTP_template_field' => strtolower($this->_req_data['MTP_template_fields'][ $index ]['name']),
-            'MTP_context'        => strtolower($this->_req_data['MTP_context']),
-            'MTP_content'        => $this->_req_data['MTP_template_fields'][ $index ]['content'],
-            'MTP_is_global'      => isset($this->_req_data['MTP_is_global'])
-                ? absint($this->_req_data['MTP_is_global'])
-                : 0,
-            'MTP_is_override'    => isset($this->_req_data['MTP_is_override'])
-                ? absint($this->_req_data['MTP_is_override'])
-                : 0,
-            'MTP_deleted'        => absint($this->_req_data['MTP_deleted']),
-            'MTP_is_active'      => absint($this->_req_data['MTP_is_active']),
-        );
-
-
-        return $set_column_values;
-    }
-
-
-    protected function _insert_or_update_message_template($new = false)
-    {
-
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $success = 0;
-        $override = false;
-
-        // setup notices description
-        $messenger_slug = ! empty($this->_req_data['MTP_messenger']) ? $this->_req_data['MTP_messenger'] : '';
-
-        // need the message type and messenger objects to be able to use the labels for the notices
-        $messenger_object = $this->_message_resource_manager->get_messenger($messenger_slug);
-        $messenger_label = $messenger_object instanceof EE_messenger
-            ? ucwords($messenger_object->label['singular'])
-            : '';
-
-        $message_type_slug = ! empty($this->_req_data['MTP_message_type'])
-            ? $this->_req_data['MTP_message_type']
-            : '';
-        $message_type_object = $this->_message_resource_manager->get_message_type($message_type_slug);
-
-        $message_type_label = $message_type_object instanceof EE_message_type
-            ? ucwords($message_type_object->label['singular'])
-            : '';
-
-        $context_slug = ! empty($this->_req_data['MTP_context'])
-            ? $this->_req_data['MTP_context']
-            : '';
-        $context = ucwords(str_replace('_', ' ', $context_slug));
-
-        $item_desc = $messenger_label && $message_type_label
-            ? $messenger_label . ' ' . $message_type_label . ' ' . $context . ' '
-            : '';
-        $item_desc .= 'Message Template';
-        $query_args = array();
-        $edit_array = array();
-        $action_desc = '';
-
-        // if this is "new" then we need to generate the default contexts for the selected messenger/message_type for
-        // user to edit.
-        if ($new) {
-            $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
-            if ($edit_array = $this->_generate_new_templates($messenger_slug, $message_type_slug, $GRP_ID)) {
-                if (empty($edit_array)) {
-                    $success = 0;
-                } else {
-                    $success = 1;
-                    $edit_array = $edit_array[0];
-                    $query_args = array(
-                        'id'      => $edit_array['GRP_ID'],
-                        'context' => $edit_array['MTP_context'],
-                        'action'  => 'edit_message_template',
-                    );
-                }
-            }
-            $action_desc = 'created';
-        } else {
-            $MTPG = EEM_Message_Template_Group::instance();
-            $MTP = EEM_Message_Template::instance();
-
-
-            // run update for each template field in displayed context
-            if (! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
-                EE_Error::add_error(
-                    esc_html__(
-                        'There was a problem saving the template fields from the form because I didn\'t receive any actual template field data.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                $success = 0;
-            } else {
-                // first validate all fields!
-                // this filter allows client code to add its own validation to the template fields as well.
-                // returning an empty array means everything passed validation.
-                // errors in validation should be represented in an array with the following shape:
-                // array(
-                //   'fieldname' => array(
-                //          'msg' => 'error message'
-                //          'value' => 'value for field producing error'
-                // )
-                $custom_validation = (array) apply_filters(
-                    'FHEE__Messages_Admin_Page___insert_or_update_message_template__validates',
-                    array(),
-                    $this->_req_data['MTP_template_fields'],
-                    $context_slug,
-                    $messenger_slug,
-                    $message_type_slug
-                );
-
-                $system_validation = $MTPG->validate(
-                    $this->_req_data['MTP_template_fields'],
-                    $context_slug,
-                    $messenger_slug,
-                    $message_type_slug
-                );
-
-                $system_validation = ! is_array($system_validation) && $system_validation ? array()
-                    : $system_validation;
-                $validates = array_merge($custom_validation, $system_validation);
-
-                // if $validate returned error messages (i.e. is_array()) then we need to process them and setup an
-                // appropriate response. HMM, dang this isn't correct, $validates will ALWAYS be an array.
-                //  WE need to make sure there is no actual error messages in validates.
-                if (is_array($validates) && ! empty($validates)) {
-                    // add the transient so when the form loads we know which fields to highlight
-                    $this->_add_transient('edit_message_template', $validates);
-
-                    $success = 0;
-
-                    // setup notices
-                    foreach ($validates as $field => $error) {
-                        if (isset($error['msg'])) {
-                            EE_Error::add_error($error['msg'], __FILE__, __FUNCTION__, __LINE__);
-                        }
-                    }
-                } else {
-                    $set_column_values = array();
-                    foreach ($this->_req_data['MTP_template_fields'] as $template_field => $content) {
-                        $set_column_values = $this->_set_message_template_column_values($template_field);
-
-                        $where_cols_n_values = array(
-                            'MTP_ID' => $this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'],
-                        );
-                        // if they aren't allowed to use all JS, restrict them to just posty-y tags
-                        if (! current_user_can('unfiltered_html')) {
-                            if (is_array($set_column_values['MTP_content'])) {
-                                foreach ($set_column_values['MTP_content'] as $key => $value) {
-                                    // remove slashes so wp_kses works properly (its wp_kses_stripslashes() function
-                                    // only removes slashes from double-quotes, so attributes using single quotes always
-                                    // appear invalid.) But currently the models expect slashed data, so after wp_kses
-                                    // runs we need to re-slash the data. Sheesh. See
-                                    // https://events.codebasehq.com/projects/event-espresso/tickets/11211#update-47321587
-                                    $set_column_values['MTP_content'][ $key ] = addslashes(
-                                        wp_kses(
-                                            stripslashes($value),
-                                            wp_kses_allowed_html('post')
-                                        )
-                                    );
-                                }
-                            } else {
-                                $set_column_values['MTP_content'] = wp_kses(
-                                    $set_column_values['MTP_content'],
-                                    wp_kses_allowed_html('post')
-                                );
-                            }
-                        }
-                        $message_template_fields = array(
-                            'GRP_ID'             => $set_column_values['GRP_ID'],
-                            'MTP_template_field' => $set_column_values['MTP_template_field'],
-                            'MTP_context'        => $set_column_values['MTP_context'],
-                            'MTP_content'        => $set_column_values['MTP_content'],
-                        );
-                        if ($updated = $MTP->update($message_template_fields, array($where_cols_n_values))) {
-                            if ($updated === false) {
-                                EE_Error::add_error(
-                                    sprintf(
-                                        esc_html__('%s field was NOT updated for some reason', 'event_espresso'),
-                                        $template_field
-                                    ),
-                                    __FILE__,
-                                    __FUNCTION__,
-                                    __LINE__
-                                );
-                            } else {
-                                $success = 1;
-                            }
-                        } else {
-                            // only do this logic if we don't have a MTP_ID for this field
-                            if (empty($this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'])) {
-                                // this has already been through the template field validator and sanitized, so it will be
-                                // safe to insert this field.  Why insert?  This typically happens when we introduce a new
-                                // message template field in a messenger/message type and existing users don't have the
-                                // default setup for it.
-                                // @link https://events.codebasehq.com/projects/event-espresso/tickets/9465
-                                $updated = $MTP->insert($message_template_fields);
-                                if (! $updated || is_wp_error($updated)) {
-                                    EE_Error::add_error(
-                                        sprintf(
-                                            esc_html__('%s field could not be updated.', 'event_espresso'),
-                                            $template_field
-                                        ),
-                                        __FILE__,
-                                        __FUNCTION__,
-                                        __LINE__
-                                    );
-                                    $success = 0;
-                                } else {
-                                    $success = 1;
-                                }
-                            }
-                        }
-                        $action_desc = 'updated';
-                    }
-
-                    // we can use the last set_column_values for the MTPG update (because its the same for all of these specific MTPs)
-                    $mtpg_fields = array(
-                        'MTP_user_id'      => $set_column_values['MTP_user_id'],
-                        'MTP_messenger'    => $set_column_values['MTP_messenger'],
-                        'MTP_message_type' => $set_column_values['MTP_message_type'],
-                        'MTP_is_global'    => $set_column_values['MTP_is_global'],
-                        'MTP_is_override'  => $set_column_values['MTP_is_override'],
-                        'MTP_deleted'      => $set_column_values['MTP_deleted'],
-                        'MTP_is_active'    => $set_column_values['MTP_is_active'],
-                        'MTP_name'         => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_name'])
-                            ? $this->_req_data['ee_msg_non_global_fields']['MTP_name']
-                            : '',
-                        'MTP_description'  => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_description'])
-                            ? $this->_req_data['ee_msg_non_global_fields']['MTP_description']
-                            : '',
-                    );
-
-                    $mtpg_where = array('GRP_ID' => $set_column_values['GRP_ID']);
-                    $updated = $MTPG->update($mtpg_fields, array($mtpg_where));
-
-                    if ($updated === false) {
-                        EE_Error::add_error(
-                            sprintf(
-                                esc_html__(
-                                    'The Message Template Group (%d) was NOT updated for some reason',
-                                    'event_espresso'
-                                ),
-                                $set_column_values['GRP_ID']
-                            ),
-                            __FILE__,
-                            __FUNCTION__,
-                            __LINE__
-                        );
-                    } else {
-                        // k now we need to ensure the template_pack and template_variation fields are set.
-                        $template_pack = ! empty($this->_req_data['MTP_template_pack'])
-                            ? $this->_req_data['MTP_template_pack']
-                            : 'default';
-
-                        $template_variation = ! empty($this->_req_data['MTP_template_variation'])
-                            ? $this->_req_data['MTP_template_variation']
-                            : 'default';
-
-                        $mtpg_obj = $MTPG->get_one_by_ID($set_column_values['GRP_ID']);
-                        if ($mtpg_obj instanceof EE_Message_Template_Group) {
-                            $mtpg_obj->set_template_pack_name($template_pack);
-                            $mtpg_obj->set_template_pack_variation($template_variation);
-                        }
-                        $success = 1;
-                    }
-                }
-            }
-        }
-
-        // we return things differently if doing ajax
-        if (defined('DOING_AJAX') && DOING_AJAX) {
-            $this->_template_args['success'] = $success;
-            $this->_template_args['error'] = ! $success ? true : false;
-            $this->_template_args['content'] = '';
-            $this->_template_args['data'] = array(
-                'grpID'        => $edit_array['GRP_ID'],
-                'templateName' => $edit_array['template_name'],
-            );
-            if ($success) {
-                EE_Error::overwrite_success();
-                EE_Error::add_success(
-                    esc_html__(
-                        'The new template has been created and automatically selected for this event.  You can edit the new template by clicking the edit button.  Note before this template is assigned to this event, the event must be saved.',
-                        'event_espresso'
-                    )
-                );
-            }
-
-            $this->_return_json();
-        }
-
-
-        // was a test send triggered?
-        if (isset($this->_req_data['test_button'])) {
-            EE_Error::overwrite_success();
-            $this->_do_test_send($context_slug, $messenger_slug, $message_type_slug);
-            $override = true;
-        }
-
-        if (empty($query_args)) {
-            $query_args = array(
-                'id'      => $this->_req_data['GRP_ID'],
-                'context' => $context_slug,
-                'action'  => 'edit_message_template',
-            );
-        }
-
-        $this->_redirect_after_action($success, $item_desc, $action_desc, $query_args, $override);
-    }
-
-
-    /**
-     * processes a test send request to do an actual messenger delivery test for the given message template being tested
-     *
-     * @param  string $context      what context being tested
-     * @param  string $messenger    messenger being tested
-     * @param  string $message_type message type being tested
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _do_test_send($context, $messenger, $message_type)
-    {
-        // set things up for preview
-        $this->_req_data['messenger'] = $messenger;
-        $this->_req_data['message_type'] = $message_type;
-        $this->_req_data['context'] = $context;
-        $this->_req_data['GRP_ID'] = isset($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : '';
-        $active_messenger = $this->_message_resource_manager->get_active_messenger($messenger);
-
-        // let's save any existing fields that might be required by the messenger
-        if (isset($this->_req_data['test_settings_fld'])
-            && $active_messenger instanceof EE_messenger
-            && apply_filters(
-                'FHEE__Messages_Admin_Page__do_test_send__set_existing_test_settings',
-                true,
-                $this->_req_data['test_settings_fld'],
-                $active_messenger
-            )
-        ) {
-            $active_messenger->set_existing_test_settings($this->_req_data['test_settings_fld']);
-        }
-
-        /**
-         * Use filter to add additional controls on whether message can send or not
-         */
-        if (apply_filters(
-            'FHEE__Messages_Admin_Page__do_test_send__can_send',
-            true,
-            $context,
-            $this->_req_data,
-            $messenger,
-            $message_type
-        )) {
-            if (EEM_Event::instance()->count() > 0) {
-                $success = $this->_preview_message(true);
-                if ($success) {
-                    EE_Error::add_success(__('Test message sent', 'event_espresso'));
-                } else {
-                    EE_Error::add_error(
-                        esc_html__('The test message was not sent', 'event_espresso'),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                }
-            } else {
-                $this->noEventsErrorMessage(true);
-            }
-        }
-    }
-
-
-    /**
-     * _generate_new_templates
-     * This will handle the messenger, message_type selection when "adding a new custom template" for an event and will
-     * automatically create the defaults for the event.  The user would then be redirected to edit the default context
-     * for the event.
-     *
-     *
-     * @param  string $messenger     the messenger we are generating templates for
-     * @param array   $message_types array of message types that the templates are generated for.
-     * @param int     $GRP_ID        If this is a custom template being generated then a GRP_ID needs to be included to
-     *                               indicate the message_template_group being used as the base.
-     *
-     * @param bool    $global
-     *
-     * @return array|bool array of data required for the redirect to the correct edit page or bool if
-     *                               encountering problems.
-     * @throws EE_Error
-     */
-    protected function _generate_new_templates($messenger, $message_types, $GRP_ID = 0, $global = false)
-    {
-
-        // if no $message_types are given then that's okay... this may be a messenger that just adds shortcodes, so we
-        // just don't generate any templates.
-        if (empty($message_types)) {
-            return true;
-        }
-
-        return EEH_MSG_Template::generate_new_templates($messenger, $message_types, $GRP_ID, $global);
-    }
-
-
-    /**
-     * [_trash_or_restore_message_template]
-     *
-     * @param  boolean $trash whether to move an item to trash/restore (TRUE) or restore it (FALSE)
-     * @param boolean  $all   whether this is going to trash/restore all contexts within a template group (TRUE) OR just
-     *                        an individual context (FALSE).
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _trash_or_restore_message_template($trash = true, $all = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $MTP = EEM_Message_Template_Group::instance();
-
-        $success = 1;
-
-        // incoming GRP_IDs
-        if ($all) {
-            // Checkboxes
-            if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
-                // if array has more than one element then success message should be plural.
-                // todo: what about nonce?
-                $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
-
-                // cycle through checkboxes
-                while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
-                    $trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
-                    if (! $trashed_or_restored) {
-                        $success = 0;
-                    }
-                }
-            } else {
-                // grab single GRP_ID and handle
-                $GRP_ID = isset($this->_req_data['id']) ? absint($this->_req_data['id']) : 0;
-                if (! empty($GRP_ID)) {
-                    $trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
-                    if (! $trashed_or_restored) {
-                        $success = 0;
-                    }
-                } else {
-                    $success = 0;
-                }
-            }
-        }
-
-        $action_desc = $trash
-            ? esc_html__('moved to the trash', 'event_espresso')
-            : esc_html__('restored', 'event_espresso');
-
-        $action_desc = ! empty($this->_req_data['template_switch']) ? esc_html__('switched', 'event_espresso') : $action_desc;
-
-        $item_desc = $all ? _n(
-            'Message Template Group',
-            'Message Template Groups',
-            $success,
-            'event_espresso'
-        ) : _n('Message Template Context', 'Message Template Contexts', $success, 'event_espresso');
-
-        $item_desc = ! empty($this->_req_data['template_switch']) ? _n(
-            'template',
-            'templates',
-            $success,
-            'event_espresso'
-        ) : $item_desc;
-
-        $this->_redirect_after_action($success, $item_desc, $action_desc, array());
-    }
-
-
-    /**
-     * [_delete_message_template]
-     * NOTE: this handles not only the deletion of the groups but also all the templates belonging to that group.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _delete_message_template()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-
-        // checkboxes
-        if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
-            // if array has more than one element then success message should be plural
-            $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
-
-            // cycle through bulk action checkboxes
-            while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
-                $success = $this->_delete_mtp_permanently($GRP_ID);
-            }
-        } else {
-            // grab single grp_id and delete
-            $GRP_ID = absint($this->_req_data['id']);
-            $success = $this->_delete_mtp_permanently($GRP_ID);
-        }
-
-        $this->_redirect_after_action($success, 'Message Templates', 'deleted', array());
-    }
-
-
-    /**
-     * helper for permanently deleting a mtP group and all related message_templates
-     *
-     * @param  int  $GRP_ID        The group being deleted
-     * @param  bool $include_group whether to delete the Message Template Group as well.
-     * @return bool boolean to indicate the success of the deletes or not.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _delete_mtp_permanently($GRP_ID, $include_group = true)
-    {
-        $success = 1;
-        $MTPG = EEM_Message_Template_Group::instance();
-        // first let's GET this group
-        $MTG = $MTPG->get_one_by_ID($GRP_ID);
-        // then delete permanently all the related Message Templates
-        $deleted = $MTG->delete_related_permanently('Message_Template');
-
-        if ($deleted === 0) {
-            $success = 0;
-        }
-
-        // now delete permanently this particular group
-
-        if ($include_group && ! $MTG->delete_permanently()) {
-            $success = 0;
-        }
-
-        return $success;
-    }
-
-
-    /**
-     *    _learn_more_about_message_templates_link
-     *
-     * @access protected
-     * @return string
-     */
-    protected function _learn_more_about_message_templates_link()
-    {
-        return '<a class="hidden" style="margin:0 20px; cursor:pointer; font-size:12px;" >'
-               . esc_html__('learn more about how message templates works', 'event_espresso')
-               . '</a>';
-    }
-
-
-    /**
-     * Used for setting up messenger/message type activation.  This loads up the initial view.  The rest is handled by
-     * ajax and other routes.
-     *
-     * @return void
-     * @throws DomainException
-     */
-    protected function _settings()
-    {
-
-
-        $this->_set_m_mt_settings();
-
-        $selected_messenger = isset($this->_req_data['selected_messenger'])
-            ? $this->_req_data['selected_messenger']
-            : 'email';
-
-        // let's setup the messenger tabs
-        $this->_template_args['admin_page_header'] = EEH_Tabbed_Content::tab_text_links(
-            $this->_m_mt_settings['messenger_tabs'],
-            'messenger_links',
-            '|',
-            $selected_messenger
-        );
-        $this->_template_args['before_admin_page_content'] = '<div class="ui-widget ui-helper-clearfix">';
-        $this->_template_args['after_admin_page_content'] = '</div><!-- end .ui-widget -->';
-
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     * This sets the $_m_mt_settings property for when needed (used on the Messages settings page)
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     */
-    protected function _set_m_mt_settings()
-    {
-        // first if this is already set then lets get out no need to regenerate data.
-        if (! empty($this->_m_mt_settings)) {
-            return;
-        }
-
-        // get all installed messengers and message_types
-        /** @type EE_messenger[] $messengers */
-        $messengers = $this->_message_resource_manager->installed_messengers();
-        /** @type EE_message_type[] $message_types */
-        $message_types = $this->_message_resource_manager->installed_message_types();
-
-
-        // assemble the array for the _tab_text_links helper
-
-        foreach ($messengers as $messenger) {
-            $this->_m_mt_settings['messenger_tabs'][ $messenger->name ] = array(
-                'label' => ucwords($messenger->label['singular']),
-                'class' => $this->_message_resource_manager->is_messenger_active($messenger->name)
-                    ? 'messenger-active'
-                    : '',
-                'href'  => $messenger->name,
-                'title' => esc_html__('Modify this Messenger', 'event_espresso'),
-                'slug'  => $messenger->name,
-                'obj'   => $messenger,
-            );
-
-
-            $message_types_for_messenger = $messenger->get_valid_message_types();
-
-            foreach ($message_types as $message_type) {
-                // first we need to verify that this message type is valid with this messenger. Cause if it isn't then
-                // it shouldn't show in either the inactive OR active metabox.
-                if (! in_array($message_type->name, $message_types_for_messenger, true)) {
-                    continue;
-                }
-
-                $a_or_i = $this->_message_resource_manager->is_message_type_active_for_messenger(
-                    $messenger->name,
-                    $message_type->name
-                )
-                    ? 'active'
-                    : 'inactive';
-
-                $this->_m_mt_settings['message_type_tabs'][ $messenger->name ][ $a_or_i ][ $message_type->name ] = array(
-                    'label'    => ucwords($message_type->label['singular']),
-                    'class'    => 'message-type-' . $a_or_i,
-                    'slug_id'  => $message_type->name . '-messagetype-' . $messenger->name,
-                    'mt_nonce' => wp_create_nonce($message_type->name . '_nonce'),
-                    'href'     => 'espresso_' . $message_type->name . '_message_type_settings',
-                    'title'    => $a_or_i === 'active'
-                        ? esc_html__('Drag this message type to the Inactive window to deactivate', 'event_espresso')
-                        : esc_html__('Drag this message type to the messenger to activate', 'event_espresso'),
-                    'content'  => $a_or_i === 'active'
-                        ? $this->_message_type_settings_content($message_type, $messenger, true)
-                        : $this->_message_type_settings_content($message_type, $messenger),
-                    'slug'     => $message_type->name,
-                    'active'   => $a_or_i === 'active',
-                    'obj'      => $message_type,
-                );
-            }
-        }
-    }
-
-
-    /**
-     * This just prepares the content for the message type settings
-     *
-     * @param  EE_message_type $message_type The message type object
-     * @param  EE_messenger    $messenger    The messenger object
-     * @param  boolean         $active       Whether the message type is active or not
-     * @return string html output for the content
-     * @throws DomainException
-     */
-    protected function _message_type_settings_content($message_type, $messenger, $active = false)
-    {
-        // get message type fields
-        $fields = $message_type->get_admin_settings_fields();
-        $settings_template_args['template_form_fields'] = '';
-
-        if (! empty($fields) && $active) {
-            $existing_settings = $message_type->get_existing_admin_settings($messenger->name);
-            foreach ($fields as $fldname => $fldprops) {
-                $field_id = $messenger->name . '-' . $message_type->name . '-' . $fldname;
-                $template_form_field[ $field_id ] = array(
-                    'name'       => 'message_type_settings[' . $fldname . ']',
-                    'label'      => $fldprops['label'],
-                    'input'      => $fldprops['field_type'],
-                    'type'       => $fldprops['value_type'],
-                    'required'   => $fldprops['required'],
-                    'validation' => $fldprops['validation'],
-                    'value'      => isset($existing_settings[ $fldname ])
-                        ? $existing_settings[ $fldname ]
-                        : $fldprops['default'],
-                    'options'    => isset($fldprops['options'])
-                        ? $fldprops['options']
-                        : array(),
-                    'default'    => isset($existing_settings[ $fldname ])
-                        ? $existing_settings[ $fldname ]
-                        : $fldprops['default'],
-                    'css_class'  => 'no-drag',
-                    'format'     => $fldprops['format'],
-                );
-            }
-
-
-            $settings_template_args['template_form_fields'] = ! empty($template_form_field)
-                ? $this->_generate_admin_form_fields(
-                    $template_form_field,
-                    'string',
-                    'ee_mt_activate_form'
-                )
-                : '';
-        }
-
-        $settings_template_args['description'] = $message_type->description;
-        // we also need some hidden fields
-        $settings_template_args['hidden_fields'] = array(
-            'message_type_settings[messenger]'    => array(
-                'type'  => 'hidden',
-                'value' => $messenger->name,
-            ),
-            'message_type_settings[message_type]' => array(
-                'type'  => 'hidden',
-                'value' => $message_type->name,
-            ),
-            'type'                                => array(
-                'type'  => 'hidden',
-                'value' => 'message_type',
-            ),
-        );
-
-        $settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
-            $settings_template_args['hidden_fields'],
-            'array'
-        );
-        $settings_template_args['show_form'] = empty($settings_template_args['template_form_fields'])
-            ? ' hidden'
-            : '';
-
-
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_mt_settings_content.template.php';
-        $content = EEH_Template::display_template($template, $settings_template_args, true);
-
-        return $content;
-    }
-
-
-    /**
-     * Generate all the metaboxes for the message types and register them for the messages settings page.
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     */
-    protected function _messages_settings_metaboxes()
-    {
-        $this->_set_m_mt_settings();
-        $m_boxes = $mt_boxes = array();
-        $m_template_args = $mt_template_args = array();
-
-        $selected_messenger = isset($this->_req_data['selected_messenger'])
-            ? $this->_req_data['selected_messenger']
-            : 'email';
-
-        if (isset($this->_m_mt_settings['messenger_tabs'])) {
-            foreach ($this->_m_mt_settings['messenger_tabs'] as $messenger => $tab_array) {
-                $hide_on_message = $this->_message_resource_manager->is_messenger_active($messenger) ? '' : 'hidden';
-                $hide_off_message = $this->_message_resource_manager->is_messenger_active($messenger) ? 'hidden' : '';
-                // messenger meta boxes
-                $active = $selected_messenger === $messenger;
-                $active_mt_tabs = isset(
-                    $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
-                )
-                    ? $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
-                    : '';
-                $m_boxes[ $messenger . '_a_box' ] = sprintf(
-                    esc_html__('%s Settings', 'event_espresso'),
-                    $tab_array['label']
-                );
-                $m_template_args[ $messenger . '_a_box' ] = array(
-                    'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
-                    'inactive_message_types' => isset(
-                        $this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
-                    )
-                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
-                        : '',
-                    'content'                => $this->_get_messenger_box_content($tab_array['obj']),
-                    'hidden'                 => $active ? '' : ' hidden',
-                    'hide_on_message'        => $hide_on_message,
-                    'messenger'              => $messenger,
-                    'active'                 => $active,
-                );
-                // message type meta boxes
-                // (which is really just the inactive container for each messenger
-                // showing inactive message types for that messenger)
-                $mt_boxes[ $messenger . '_i_box' ] = esc_html__('Inactive Message Types', 'event_espresso');
-                $mt_template_args[ $messenger . '_i_box' ] = array(
-                    'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
-                    'inactive_message_types' => isset(
-                        $this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
-                    )
-                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
-                        : '',
-                    'hidden'                 => $active ? '' : ' hidden',
-                    'hide_on_message'        => $hide_on_message,
-                    'hide_off_message'       => $hide_off_message,
-                    'messenger'              => $messenger,
-                    'active'                 => $active,
-                );
-            }
-        }
-
-
-        // register messenger metaboxes
-        $m_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_mt_meta_box.template.php';
-        foreach ($m_boxes as $box => $label) {
-            $callback_args = array('template_path' => $m_template_path, 'template_args' => $m_template_args[ $box ]);
-            $msgr = str_replace('_a_box', '', $box);
-            add_meta_box(
-                'espresso_' . $msgr . '_settings',
-                $label,
-                function ($post, $metabox) {
-                    echo EEH_Template::display_template(
-                        $metabox["args"]["template_path"],
-                        $metabox["args"]["template_args"],
-                        true
-                    );
-                },
-                $this->_current_screen->id,
-                'normal',
-                'high',
-                $callback_args
-            );
-        }
-
-        // register message type metaboxes
-        $mt_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_meta_box.template.php';
-        foreach ($mt_boxes as $box => $label) {
-            $callback_args = array(
-                'template_path' => $mt_template_path,
-                'template_args' => $mt_template_args[ $box ],
-            );
-            $mt = str_replace('_i_box', '', $box);
-            add_meta_box(
-                'espresso_' . $mt . '_inactive_mts',
-                $label,
-                function ($post, $metabox) {
-                    echo EEH_Template::display_template(
-                        $metabox["args"]["template_path"],
-                        $metabox["args"]["template_args"],
-                        true
-                    );
-                },
-                $this->_current_screen->id,
-                'side',
-                'high',
-                $callback_args
-            );
-        }
-
-        // register metabox for global messages settings but only when on the main site.  On single site installs this
-        // will always result in the metabox showing, on multisite installs the metabox will only show on the main site.
-        if (is_main_site()) {
-            add_meta_box(
-                'espresso_global_message_settings',
-                esc_html__('Global Message Settings', 'event_espresso'),
-                array($this, 'global_messages_settings_metabox_content'),
-                $this->_current_screen->id,
-                'normal',
-                'low',
-                array()
-            );
-        }
-    }
-
-
-    /**
-     *  This generates the content for the global messages settings metabox.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function global_messages_settings_metabox_content()
-    {
-        $form = $this->_generate_global_settings_form();
-        echo $form->form_open(
-            $this->add_query_args_and_nonce(array('action' => 'update_global_settings'), EE_MSG_ADMIN_URL),
-            'POST'
-        )
-             . $form->get_html()
-             . $form->form_close();
-    }
-
-
-    /**
-     * This generates and returns the form object for the global messages settings.
-     *
-     * @return EE_Form_Section_Proper
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _generate_global_settings_form()
-    {
-        EE_Registry::instance()->load_helper('HTML');
-        /** @var EE_Network_Core_Config $network_config */
-        $network_config = EE_Registry::instance()->NET_CFG->core;
-
-        return new EE_Form_Section_Proper(
-            array(
-                'name'            => 'global_messages_settings',
-                'html_id'         => 'global_messages_settings',
-                'html_class'      => 'form-table',
-                'layout_strategy' => new EE_Admin_Two_Column_Layout(),
-                'subsections'     => apply_filters(
-                    'FHEE__Messages_Admin_Page__global_messages_settings_metabox_content__form_subsections',
-                    array(
-                        'do_messages_on_same_request' => new EE_Select_Input(
-                            array(
-                                true  => esc_html__("On the same request", "event_espresso"),
-                                false => esc_html__("On a separate request", "event_espresso"),
-                            ),
-                            array(
-                                'default'         => $network_config->do_messages_on_same_request,
-                                'html_label_text' => esc_html__(
-                                    'Generate and send all messages:',
-                                    'event_espresso'
-                                ),
-                                'html_help_text'  => esc_html__(
-                                    'By default the messages system uses a more efficient means of processing messages on separate requests and utilizes the wp-cron scheduling system.  This makes things execute faster for people registering for your events.  However, if the wp-cron system is disabled on your site and there is no alternative in place, then you can change this so messages are always executed on the same request.',
-                                    'event_espresso'
-                                ),
-                            )
-                        ),
-                        'delete_threshold'            => new EE_Select_Input(
-                            array(
-                                0  => esc_html__('Forever', 'event_espresso'),
-                                3  => esc_html__('3 Months', 'event_espresso'),
-                                6  => esc_html__('6 Months', 'event_espresso'),
-                                9  => esc_html__('9 Months', 'event_espresso'),
-                                12 => esc_html__('12 Months', 'event_espresso'),
-                                24 => esc_html__('24 Months', 'event_espresso'),
-                                36 => esc_html__('36 Months', 'event_espresso'),
-                            ),
-                            array(
-                                'default'         => EE_Registry::instance()->CFG->messages->delete_threshold,
-                                'html_label_text' => esc_html__('Cleanup of old messages:', 'event_espresso'),
-                                'html_help_text'  => esc_html__(
-                                    'You can control how long a record of processed messages is kept via this option.',
-                                    'event_espresso'
-                                ),
-                            )
-                        ),
-                        'update_settings'             => new EE_Submit_Input(
-                            array(
-                                'default'         => esc_html__('Update', 'event_espresso'),
-                                'html_label_text' => '&nbsp',
-                            )
-                        ),
-                    )
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * This handles updating the global settings set on the admin page.
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _update_global_settings()
-    {
-        /** @var EE_Network_Core_Config $network_config */
-        $network_config = EE_Registry::instance()->NET_CFG->core;
-        $messages_config = EE_Registry::instance()->CFG->messages;
-        $form = $this->_generate_global_settings_form();
-        if ($form->was_submitted()) {
-            $form->receive_form_submission();
-            if ($form->is_valid()) {
-                $valid_data = $form->valid_data();
-                foreach ($valid_data as $property => $value) {
-                    $setter = 'set_' . $property;
-                    if (method_exists($network_config, $setter)) {
-                        $network_config->{$setter}($value);
-                    } elseif (property_exists($network_config, $property)
-                        && $network_config->{$property} !== $value
-                    ) {
-                        $network_config->{$property} = $value;
-                    } elseif (property_exists($messages_config, $property)
-                        && $messages_config->{$property} !== $value
-                    ) {
-                        $messages_config->{$property} = $value;
-                    }
-                }
-                // only update if the form submission was valid!
-                EE_Registry::instance()->NET_CFG->update_config(true, false);
-                EE_Registry::instance()->CFG->update_espresso_config();
-                EE_Error::overwrite_success();
-                EE_Error::add_success(__('Global message settings were updated', 'event_espresso'));
-            }
-        }
-        $this->_redirect_after_action(0, '', '', array('action' => 'settings'), true);
-    }
-
-
-    /**
-     * this prepares the messenger tabs that can be dragged in and out of messenger boxes to activate/deactivate
-     *
-     * @param  array $tab_array This is an array of message type tab details used to generate the tabs
-     * @return string html formatted tabs
-     * @throws DomainException
-     */
-    protected function _get_mt_tabs($tab_array)
-    {
-        $tab_array = (array) $tab_array;
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_mt_settings_tab_item.template.php';
-        $tabs = '';
-
-        foreach ($tab_array as $tab) {
-            $tabs .= EEH_Template::display_template($template, $tab, true);
-        }
-
-        return $tabs;
-    }
-
-
-    /**
-     * This prepares the content of the messenger meta box admin settings
-     *
-     * @param  EE_messenger $messenger The messenger we're setting up content for
-     * @return string html formatted content
-     * @throws DomainException
-     */
-    protected function _get_messenger_box_content(EE_messenger $messenger)
-    {
-
-        $fields = $messenger->get_admin_settings_fields();
-        $settings_template_args['template_form_fields'] = '';
-
-        // is $messenger active?
-        $settings_template_args['active'] = $this->_message_resource_manager->is_messenger_active($messenger->name);
-
-
-        if (! empty($fields)) {
-            $existing_settings = $messenger->get_existing_admin_settings();
-
-            foreach ($fields as $fldname => $fldprops) {
-                $field_id = $messenger->name . '-' . $fldname;
-                $template_form_field[ $field_id ] = array(
-                    'name'       => 'messenger_settings[' . $field_id . ']',
-                    'label'      => $fldprops['label'],
-                    'input'      => $fldprops['field_type'],
-                    'type'       => $fldprops['value_type'],
-                    'required'   => $fldprops['required'],
-                    'validation' => $fldprops['validation'],
-                    'value'      => isset($existing_settings[ $field_id ])
-                        ? $existing_settings[ $field_id ]
-                        : $fldprops['default'],
-                    'css_class'  => '',
-                    'format'     => $fldprops['format'],
-                );
-            }
-
-
-            $settings_template_args['template_form_fields'] = ! empty($template_form_field)
-                ? $this->_generate_admin_form_fields($template_form_field, 'string', 'ee_m_activate_form')
-                : '';
-        }
-
-        // we also need some hidden fields
-        $settings_template_args['hidden_fields'] = array(
-            'messenger_settings[messenger]' => array(
-                'type'  => 'hidden',
-                'value' => $messenger->name,
-            ),
-            'type'                          => array(
-                'type'  => 'hidden',
-                'value' => 'messenger',
-            ),
-        );
-
-        // make sure any active message types that are existing are included in the hidden fields
-        if (isset($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'])) {
-            foreach ($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'] as $mt => $values) {
-                $settings_template_args['hidden_fields'][ 'messenger_settings[message_types][' . $mt . ']' ] = array(
-                    'type'  => 'hidden',
-                    'value' => $mt,
-                );
-            }
-        }
-        $settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
-            $settings_template_args['hidden_fields'],
-            'array'
-        );
-        $active = $this->_message_resource_manager->is_messenger_active($messenger->name);
-
-        $settings_template_args['messenger'] = $messenger->name;
-        $settings_template_args['description'] = $messenger->description;
-        $settings_template_args['show_hide_edit_form'] = $active ? '' : ' hidden';
-
-
-        $settings_template_args['show_hide_edit_form'] = $this->_message_resource_manager->is_messenger_active(
-            $messenger->name
-        )
-            ? $settings_template_args['show_hide_edit_form']
-            : ' hidden';
-
-        $settings_template_args['show_hide_edit_form'] = empty($settings_template_args['template_form_fields'])
-            ? ' hidden'
-            : $settings_template_args['show_hide_edit_form'];
-
-
-        $settings_template_args['on_off_action'] = $active ? 'messenger-off' : 'messenger-on';
-        $settings_template_args['nonce'] = wp_create_nonce('activate_' . $messenger->name . '_toggle_nonce');
-        $settings_template_args['on_off_status'] = $active ? true : false;
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_m_settings_content.template.php';
-        $content = EEH_Template::display_template(
-            $template,
-            $settings_template_args,
-            true
-        );
-
-        return $content;
-    }
-
-
-    /**
-     * used by ajax on the messages settings page to activate|deactivate the messenger
-     *
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    public function activate_messenger_toggle()
-    {
-        $success = true;
-        $this->_prep_default_response_for_messenger_or_message_type_toggle();
-        // let's check that we have required data
-        if (! isset($this->_req_data['messenger'])) {
-            EE_Error::add_error(
-                esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        // do a nonce check here since we're not arriving via a normal route
-        $nonce = isset($this->_req_data['activate_nonce'])
-            ? sanitize_text_field($this->_req_data['activate_nonce'])
-            : '';
-        $nonce_ref = 'activate_' . $this->_req_data['messenger'] . '_toggle_nonce';
-
-        $this->_verify_nonce($nonce, $nonce_ref);
-
-
-        if (! isset($this->_req_data['status'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Messenger status needed to know whether activation or deactivation is happening. No status is given',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        // do check to verify we have a valid status.
-        $status = $this->_req_data['status'];
-
-        if ($status !== 'off' && $status !== 'on') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
-                    $this->_req_data['status']
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        if ($success) {
-            // made it here?  Stop dawdling then!!
-            $success = $status === 'off'
-                ? $this->_deactivate_messenger($this->_req_data['messenger'])
-                : $this->_activate_messenger($this->_req_data['messenger']);
-        }
-
-        $this->_template_args['success'] = $success;
-
-        // no special instructions so let's just do the json return (which should automatically do all the special stuff).
-        $this->_return_json();
-    }
-
-
-    /**
-     * used by ajax from the messages settings page to activate|deactivate a message type
-     *
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function activate_mt_toggle()
-    {
-        $success = true;
-        $this->_prep_default_response_for_messenger_or_message_type_toggle();
-
-        // let's make sure we have the necessary data
-        if (! isset($this->_req_data['message_type'])) {
-            EE_Error::add_error(
-                esc_html__('Message Type name needed to toggle activation. None given', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        if (! isset($this->_req_data['messenger'])) {
-            EE_Error::add_error(
-                esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        if (! isset($this->_req_data['status'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Messenger status needed to know whether activation or deactivation is happening. No status is given',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-
-        // do check to verify we have a valid status.
-        $status = $this->_req_data['status'];
-
-        if ($status !== 'activate' && $status !== 'deactivate') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('The given status (%s) is not valid. Must be "active" or "inactive"', 'event_espresso'),
-                    $this->_req_data['status']
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-
-        // do a nonce check here since we're not arriving via a normal route
-        $nonce = isset($this->_req_data['mt_nonce']) ? sanitize_text_field($this->_req_data['mt_nonce']) : '';
-        $nonce_ref = $this->_req_data['message_type'] . '_nonce';
-
-        $this->_verify_nonce($nonce, $nonce_ref);
-
-        if ($success) {
-            // made it here? um, what are you waiting for then?
-            $success = $status === 'deactivate'
-                ? $this->_deactivate_message_type_for_messenger(
-                    $this->_req_data['messenger'],
-                    $this->_req_data['message_type']
-                )
-                : $this->_activate_message_type_for_messenger(
-                    $this->_req_data['messenger'],
-                    $this->_req_data['message_type']
-                );
-        }
-
-        $this->_template_args['success'] = $success;
-        $this->_return_json();
-    }
-
-
-    /**
-     * Takes care of processing activating a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name The name of the messenger being activated
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _activate_messenger($messenger_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        $message_types_to_activate = $active_messenger instanceof EE_Messenger
-            ? $active_messenger->get_default_message_types()
-            : array();
-
-        // ensure is active
-        $this->_message_resource_manager->activate_messenger($active_messenger, $message_types_to_activate);
-
-        // set response_data for reload
-        foreach ($message_types_to_activate as $message_type_name) {
-            /** @var EE_message_type $message_type */
-            $message_type = $this->_message_resource_manager->get_message_type($message_type_name);
-            if ($this->_message_resource_manager->is_message_type_active_for_messenger(
-                $messenger_name,
-                $message_type_name
-            )
-                && $message_type instanceof EE_message_type
-            ) {
-                $this->_template_args['data']['active_mts'][] = $message_type_name;
-                if ($message_type->get_admin_settings_fields()) {
-                    $this->_template_args['data']['mt_reload'][] = $message_type_name;
-                }
-            }
-        }
-
-        // add success message for activating messenger
-        return $this->_setup_response_message_for_activating_messenger_with_message_types($active_messenger);
-    }
-
-
-    /**
-     * Takes care of processing deactivating a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name The name of the messenger being activated
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _deactivate_messenger($messenger_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        $this->_message_resource_manager->deactivate_messenger($messenger_name);
-
-        return $this->_setup_response_message_for_deactivating_messenger_with_message_types($active_messenger);
-    }
-
-
-    /**
-     * Takes care of processing activating a message type for a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name    The name of the messenger the message type is being activated for.
-     * @param string $message_type_name The name of the message type being activated for the messenger
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _activate_message_type_for_messenger($messenger_name, $message_type_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        /** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
-        $message_type_to_activate = $this->_message_resource_manager->get_message_type($message_type_name);
-
-        // ensure is active
-        $this->_message_resource_manager->activate_messenger($active_messenger, $message_type_name);
-
-        // set response for load
-        if ($this->_message_resource_manager->is_message_type_active_for_messenger(
-            $messenger_name,
-            $message_type_name
-        )
-        ) {
-            $this->_template_args['data']['active_mts'][] = $message_type_name;
-            if ($message_type_to_activate->get_admin_settings_fields()) {
-                $this->_template_args['data']['mt_reload'][] = $message_type_name;
-            }
-        }
-
-        return $this->_setup_response_message_for_activating_messenger_with_message_types(
-            $active_messenger,
-            $message_type_to_activate
-        );
-    }
-
-
-    /**
-     * Takes care of processing deactivating a message type for a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name    The name of the messenger the message type is being deactivated for.
-     * @param string $message_type_name The name of the message type being deactivated for the messenger
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _deactivate_message_type_for_messenger($messenger_name, $message_type_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        /** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
-        $message_type_to_deactivate = $this->_message_resource_manager->get_message_type($message_type_name);
-        $this->_message_resource_manager->deactivate_message_type_for_messenger($message_type_name, $messenger_name);
-
-        return $this->_setup_response_message_for_deactivating_messenger_with_message_types(
-            $active_messenger,
-            $message_type_to_deactivate
-        );
-    }
-
-
-    /**
-     * This just initializes the defaults for activating messenger and message type responses.
-     */
-    protected function _prep_default_response_for_messenger_or_message_type_toggle()
-    {
-        $this->_template_args['data']['active_mts'] = array();
-        $this->_template_args['data']['mt_reload'] = array();
-    }
-
-
-    /**
-     * Setup appropriate response for activating a messenger and/or message types
-     *
-     * @param EE_messenger         $messenger
-     * @param EE_message_type|null $message_type
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _setup_response_message_for_activating_messenger_with_message_types(
-        $messenger,
-        EE_Message_Type $message_type = null
-    ) {
-        // if $messenger isn't a valid messenger object then get out.
-        if (! $messenger instanceof EE_Messenger) {
-            EE_Error::add_error(
-                esc_html__('The messenger being activated is not a valid messenger', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-
-            return false;
-        }
-        // activated
-        if ($this->_template_args['data']['active_mts']) {
-            EE_Error::overwrite_success();
-            // activated a message type with the messenger
-            if ($message_type instanceof EE_message_type) {
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__(
-                            '%s message type has been successfully activated with the %s messenger',
-                            'event_espresso'
-                        ),
-                        ucwords($message_type->label['singular']),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
-
-                // if message type was invoice then let's make sure we activate the invoice payment method.
-                if ($message_type->name === 'invoice') {
-                    EE_Registry::instance()->load_lib('Payment_Method_Manager');
-                    $pm = EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
-                    if ($pm instanceof EE_Payment_Method) {
-                        EE_Error::add_attention(
-                            esc_html__(
-                                'Activating the invoice message type also automatically activates the invoice payment method.  If you do not wish the invoice payment method to be active, or to change its settings, visit the payment method admin page.',
-                                'event_espresso'
-                            )
-                        );
-                    }
-                }
-                // just toggles the entire messenger
-            } else {
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__('%s messenger has been successfully activated', 'event_espresso'),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
-            }
-
-            return true;
-
-            // possible error condition. This will happen when our active_mts data is empty because it is validated for actual active
-            // message types after the activation process.  However its possible some messengers don't HAVE any default_message_types
-            // in which case we just give a success message for the messenger being successfully activated.
-        } else {
-            if (! $messenger->get_default_message_types()) {
-                // messenger doesn't have any default message types so still a success.
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__('%s messenger was successfully activated.', 'event_espresso'),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
-
-                return true;
-            } else {
-                EE_Error::add_error(
-                    $message_type instanceof EE_message_type
-                        ? sprintf(
-                            esc_html__(
-                                '%s message type was not successfully activated with the %s messenger',
-                                'event_espresso'
-                            ),
-                            ucwords($message_type->label['singular']),
-                            ucwords($messenger->label['singular'])
-                        )
-                        : sprintf(
-                            esc_html__('%s messenger was not successfully activated', 'event_espresso'),
-                            ucwords($messenger->label['singular'])
-                        ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-
-                return false;
-            }
-        }
-    }
-
-
-    /**
-     * This sets up the appropriate response for deactivating a messenger and/or message type.
-     *
-     * @param EE_messenger         $messenger
-     * @param EE_message_type|null $message_type
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _setup_response_message_for_deactivating_messenger_with_message_types(
-        $messenger,
-        EE_message_type $message_type = null
-    ) {
-        EE_Error::overwrite_success();
-
-        // if $messenger isn't a valid messenger object then get out.
-        if (! $messenger instanceof EE_Messenger) {
-            EE_Error::add_error(
-                esc_html__('The messenger being deactivated is not a valid messenger', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-
-            return false;
-        }
-
-        if ($message_type instanceof EE_message_type) {
-            $message_type_name = $message_type->name;
-            EE_Error::add_success(
-                sprintf(
-                    esc_html__(
-                        '%s message type has been successfully deactivated for the %s messenger.',
-                        'event_espresso'
-                    ),
-                    ucwords($message_type->label['singular']),
-                    ucwords($messenger->label['singular'])
-                )
-            );
-        } else {
-            $message_type_name = '';
-            EE_Error::add_success(
-                sprintf(
-                    esc_html__('%s messenger has been successfully deactivated.', 'event_espresso'),
-                    ucwords($messenger->label['singular'])
-                )
-            );
-        }
-
-        // if messenger was html or message type was invoice then let's make sure we deactivate invoice payment method.
-        if ($messenger->name === 'html' || $message_type_name === 'invoice') {
-            EE_Registry::instance()->load_lib('Payment_Method_Manager');
-            $count_updated = EE_Payment_Method_Manager::instance()->deactivate_payment_method('invoice');
-            if ($count_updated > 0) {
-                $msg = $message_type_name === 'invoice'
-                    ? esc_html__(
-                        'Deactivating the invoice message type also automatically deactivates the invoice payment method. In order for invoices to be generated the invoice message type must be active. If you completed this action by mistake, simply reactivate the invoice message type and then visit the payment methods admin page to reactivate the invoice payment method.',
-                        'event_espresso'
-                    )
-                    : esc_html__(
-                        'Deactivating the html messenger also automatically deactivates the invoice payment method.  In order for invoices to be generated the html messenger must be be active.  If you completed this action by mistake, simply reactivate the html messenger, then visit the payment methods admin page to reactivate the invoice payment method.',
-                        'event_espresso'
-                    );
-                EE_Error::add_attention($msg);
-            }
-        }
-
-        return true;
-    }
-
-
-    /**
-     * handles updating a message type form on messenger activation IF the message type has settings fields. (via ajax)
-     *
-     * @throws DomainException
-     */
-    public function update_mt_form()
-    {
-        if (! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
-            EE_Error::add_error(
-                esc_html__('Require message type or messenger to send an updated form', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_return_json();
-        }
-
-        $message_types = $this->get_installed_message_types();
-
-        $message_type = $message_types[ $this->_req_data['message_type'] ];
-        $messenger = $this->_message_resource_manager->get_active_messenger($this->_req_data['messenger']);
-
-        $content = $this->_message_type_settings_content(
-            $message_type,
-            $messenger,
-            true
-        );
-        $this->_template_args['success'] = true;
-        $this->_template_args['content'] = $content;
-        $this->_return_json();
-    }
-
-
-    /**
-     * this handles saving the settings for a messenger or message type
-     *
-     */
-    public function save_settings()
-    {
-        if (! isset($this->_req_data['type'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Cannot save settings because type is unknown (messenger settings or messsage type settings?)',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_template_args['error'] = true;
-            $this->_return_json();
-        }
-
-
-        if ($this->_req_data['type'] === 'messenger') {
-            // this should be an array.
-            $settings = $this->_req_data['messenger_settings'];
-            $messenger = $settings['messenger'];
-            // let's setup the settings data
-            foreach ($settings as $key => $value) {
-                switch ($key) {
-                    case 'messenger':
-                        unset($settings['messenger']);
-                        break;
-                    case 'message_types':
-                        unset($settings['message_types']);
-                        break;
-                    default:
-                        $settings[ $key ] = $value;
-                        break;
-                }
-            }
-            $this->_message_resource_manager->add_settings_for_messenger($messenger, $settings);
-        } elseif ($this->_req_data['type'] === 'message_type') {
-            $settings = $this->_req_data['message_type_settings'];
-            $messenger = $settings['messenger'];
-            $message_type = $settings['message_type'];
-
-            foreach ($settings as $key => $value) {
-                switch ($key) {
-                    case 'messenger':
-                        unset($settings['messenger']);
-                        break;
-                    case 'message_type':
-                        unset($settings['message_type']);
-                        break;
-                    default:
-                        $settings[ $key ] = $value;
-                        break;
-                }
-            }
-
-            $this->_message_resource_manager->add_settings_for_message_type($messenger, $message_type, $settings);
-        }
-
-        // okay we should have the data all setup.  Now we just update!
-        $success = $this->_message_resource_manager->update_active_messengers_option();
-
-        if ($success) {
-            EE_Error::add_success(__('Settings updated', 'event_espresso'));
-        } else {
-            EE_Error::add_error(
-                esc_html__(
-                    'Settings did not get updated',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        $this->_template_args['success'] = $success;
-        $this->_return_json();
-    }
-
-
-
-
-    /**  EE MESSAGE PROCESSING ACTIONS **/
-
-
-    /**
-     * This immediately generates any EE_Message ID's that are selected that are EEM_Message::status_incomplete
-     * However, this does not send immediately, it just queues for sending.
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _generate_now()
-    {
-        EED_Messages::generate_now($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     * This immediately generates AND sends any EE_Message's selected that are EEM_Message::status_incomplete or that
-     * are EEM_Message::status_resend or EEM_Message::status_idle
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _generate_and_send_now()
-    {
-        EED_Messages::generate_and_send_now($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     * This queues any EEM_Message::status_sent EE_Message ids in the request for resending.
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _queue_for_resending()
-    {
-        EED_Messages::queue_for_resending($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     *  This sends immediately any EEM_Message::status_idle or EEM_Message::status_resend messages in the queue
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _send_now()
-    {
-        EED_Messages::send_now($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     * Deletes EE_messages for IDs in the request.
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function _delete_ee_messages()
-    {
-        $msg_ids = $this->_get_msg_ids_from_request();
-        $deleted_count = 0;
-        foreach ($msg_ids as $msg_id) {
-            if (EEM_Message::instance()->delete_by_ID($msg_id)) {
-                $deleted_count++;
-            }
-        }
-        if ($deleted_count) {
-            EE_Error::add_success(
-                esc_html(
-                    _n(
-                        'Message successfully deleted',
-                        'Messages successfully deleted',
-                        $deleted_count,
-                        'event_espresso'
-                    )
-                )
-            );
-            $this->_redirect_after_action(
-                false,
-                '',
-                '',
-                array(),
-                true
-            );
-        } else {
-            EE_Error::add_error(
-                _n('The message was not deleted.', 'The messages were not deleted', count($msg_ids), 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_redirect_after_action(false, '', '', array(), true);
-        }
-    }
-
-
-    /**
-     *  This looks for 'MSG_ID' key in the request and returns an array of MSG_ID's if present.
-     *
-     * @since 4.9.0
-     * @return array
-     */
-    protected function _get_msg_ids_from_request()
-    {
-        if (! isset($this->_req_data['MSG_ID'])) {
-            return array();
-        }
-
-        return is_array($this->_req_data['MSG_ID'])
-            ? array_keys($this->_req_data['MSG_ID'])
-            : array($this->_req_data['MSG_ID']);
-    }
+		$output = ob_get_contents();
+		ob_clean();
+		$this->_context_switcher = $output;
+	}
+
+
+	/**
+	 * utility for sanitizing new values coming in.
+	 * Note: this is only used when updating a context.
+	 *
+	 * @access protected
+	 *
+	 * @param int $index This helps us know which template field to select from the request array.
+	 *
+	 * @return array
+	 */
+	protected function _set_message_template_column_values($index)
+	{
+		if (is_array($this->_req_data['MTP_template_fields'][ $index ]['content'])) {
+			foreach ($this->_req_data['MTP_template_fields'][ $index ]['content'] as $field => $value) {
+				$this->_req_data['MTP_template_fields'][ $index ]['content'][ $field ] = $value;
+			}
+		}
+
+
+		$set_column_values = array(
+			'MTP_ID'             => absint($this->_req_data['MTP_template_fields'][ $index ]['MTP_ID']),
+			'GRP_ID'             => absint($this->_req_data['GRP_ID']),
+			'MTP_user_id'        => absint($this->_req_data['MTP_user_id']),
+			'MTP_messenger'      => strtolower($this->_req_data['MTP_messenger']),
+			'MTP_message_type'   => strtolower($this->_req_data['MTP_message_type']),
+			'MTP_template_field' => strtolower($this->_req_data['MTP_template_fields'][ $index ]['name']),
+			'MTP_context'        => strtolower($this->_req_data['MTP_context']),
+			'MTP_content'        => $this->_req_data['MTP_template_fields'][ $index ]['content'],
+			'MTP_is_global'      => isset($this->_req_data['MTP_is_global'])
+				? absint($this->_req_data['MTP_is_global'])
+				: 0,
+			'MTP_is_override'    => isset($this->_req_data['MTP_is_override'])
+				? absint($this->_req_data['MTP_is_override'])
+				: 0,
+			'MTP_deleted'        => absint($this->_req_data['MTP_deleted']),
+			'MTP_is_active'      => absint($this->_req_data['MTP_is_active']),
+		);
+
+
+		return $set_column_values;
+	}
+
+
+	protected function _insert_or_update_message_template($new = false)
+	{
+
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$success = 0;
+		$override = false;
+
+		// setup notices description
+		$messenger_slug = ! empty($this->_req_data['MTP_messenger']) ? $this->_req_data['MTP_messenger'] : '';
+
+		// need the message type and messenger objects to be able to use the labels for the notices
+		$messenger_object = $this->_message_resource_manager->get_messenger($messenger_slug);
+		$messenger_label = $messenger_object instanceof EE_messenger
+			? ucwords($messenger_object->label['singular'])
+			: '';
+
+		$message_type_slug = ! empty($this->_req_data['MTP_message_type'])
+			? $this->_req_data['MTP_message_type']
+			: '';
+		$message_type_object = $this->_message_resource_manager->get_message_type($message_type_slug);
+
+		$message_type_label = $message_type_object instanceof EE_message_type
+			? ucwords($message_type_object->label['singular'])
+			: '';
+
+		$context_slug = ! empty($this->_req_data['MTP_context'])
+			? $this->_req_data['MTP_context']
+			: '';
+		$context = ucwords(str_replace('_', ' ', $context_slug));
+
+		$item_desc = $messenger_label && $message_type_label
+			? $messenger_label . ' ' . $message_type_label . ' ' . $context . ' '
+			: '';
+		$item_desc .= 'Message Template';
+		$query_args = array();
+		$edit_array = array();
+		$action_desc = '';
+
+		// if this is "new" then we need to generate the default contexts for the selected messenger/message_type for
+		// user to edit.
+		if ($new) {
+			$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
+			if ($edit_array = $this->_generate_new_templates($messenger_slug, $message_type_slug, $GRP_ID)) {
+				if (empty($edit_array)) {
+					$success = 0;
+				} else {
+					$success = 1;
+					$edit_array = $edit_array[0];
+					$query_args = array(
+						'id'      => $edit_array['GRP_ID'],
+						'context' => $edit_array['MTP_context'],
+						'action'  => 'edit_message_template',
+					);
+				}
+			}
+			$action_desc = 'created';
+		} else {
+			$MTPG = EEM_Message_Template_Group::instance();
+			$MTP = EEM_Message_Template::instance();
+
+
+			// run update for each template field in displayed context
+			if (! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
+				EE_Error::add_error(
+					esc_html__(
+						'There was a problem saving the template fields from the form because I didn\'t receive any actual template field data.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				$success = 0;
+			} else {
+				// first validate all fields!
+				// this filter allows client code to add its own validation to the template fields as well.
+				// returning an empty array means everything passed validation.
+				// errors in validation should be represented in an array with the following shape:
+				// array(
+				//   'fieldname' => array(
+				//          'msg' => 'error message'
+				//          'value' => 'value for field producing error'
+				// )
+				$custom_validation = (array) apply_filters(
+					'FHEE__Messages_Admin_Page___insert_or_update_message_template__validates',
+					array(),
+					$this->_req_data['MTP_template_fields'],
+					$context_slug,
+					$messenger_slug,
+					$message_type_slug
+				);
+
+				$system_validation = $MTPG->validate(
+					$this->_req_data['MTP_template_fields'],
+					$context_slug,
+					$messenger_slug,
+					$message_type_slug
+				);
+
+				$system_validation = ! is_array($system_validation) && $system_validation ? array()
+					: $system_validation;
+				$validates = array_merge($custom_validation, $system_validation);
+
+				// if $validate returned error messages (i.e. is_array()) then we need to process them and setup an
+				// appropriate response. HMM, dang this isn't correct, $validates will ALWAYS be an array.
+				//  WE need to make sure there is no actual error messages in validates.
+				if (is_array($validates) && ! empty($validates)) {
+					// add the transient so when the form loads we know which fields to highlight
+					$this->_add_transient('edit_message_template', $validates);
+
+					$success = 0;
+
+					// setup notices
+					foreach ($validates as $field => $error) {
+						if (isset($error['msg'])) {
+							EE_Error::add_error($error['msg'], __FILE__, __FUNCTION__, __LINE__);
+						}
+					}
+				} else {
+					$set_column_values = array();
+					foreach ($this->_req_data['MTP_template_fields'] as $template_field => $content) {
+						$set_column_values = $this->_set_message_template_column_values($template_field);
+
+						$where_cols_n_values = array(
+							'MTP_ID' => $this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'],
+						);
+						// if they aren't allowed to use all JS, restrict them to just posty-y tags
+						if (! current_user_can('unfiltered_html')) {
+							if (is_array($set_column_values['MTP_content'])) {
+								foreach ($set_column_values['MTP_content'] as $key => $value) {
+									// remove slashes so wp_kses works properly (its wp_kses_stripslashes() function
+									// only removes slashes from double-quotes, so attributes using single quotes always
+									// appear invalid.) But currently the models expect slashed data, so after wp_kses
+									// runs we need to re-slash the data. Sheesh. See
+									// https://events.codebasehq.com/projects/event-espresso/tickets/11211#update-47321587
+									$set_column_values['MTP_content'][ $key ] = addslashes(
+										wp_kses(
+											stripslashes($value),
+											wp_kses_allowed_html('post')
+										)
+									);
+								}
+							} else {
+								$set_column_values['MTP_content'] = wp_kses(
+									$set_column_values['MTP_content'],
+									wp_kses_allowed_html('post')
+								);
+							}
+						}
+						$message_template_fields = array(
+							'GRP_ID'             => $set_column_values['GRP_ID'],
+							'MTP_template_field' => $set_column_values['MTP_template_field'],
+							'MTP_context'        => $set_column_values['MTP_context'],
+							'MTP_content'        => $set_column_values['MTP_content'],
+						);
+						if ($updated = $MTP->update($message_template_fields, array($where_cols_n_values))) {
+							if ($updated === false) {
+								EE_Error::add_error(
+									sprintf(
+										esc_html__('%s field was NOT updated for some reason', 'event_espresso'),
+										$template_field
+									),
+									__FILE__,
+									__FUNCTION__,
+									__LINE__
+								);
+							} else {
+								$success = 1;
+							}
+						} else {
+							// only do this logic if we don't have a MTP_ID for this field
+							if (empty($this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'])) {
+								// this has already been through the template field validator and sanitized, so it will be
+								// safe to insert this field.  Why insert?  This typically happens when we introduce a new
+								// message template field in a messenger/message type and existing users don't have the
+								// default setup for it.
+								// @link https://events.codebasehq.com/projects/event-espresso/tickets/9465
+								$updated = $MTP->insert($message_template_fields);
+								if (! $updated || is_wp_error($updated)) {
+									EE_Error::add_error(
+										sprintf(
+											esc_html__('%s field could not be updated.', 'event_espresso'),
+											$template_field
+										),
+										__FILE__,
+										__FUNCTION__,
+										__LINE__
+									);
+									$success = 0;
+								} else {
+									$success = 1;
+								}
+							}
+						}
+						$action_desc = 'updated';
+					}
+
+					// we can use the last set_column_values for the MTPG update (because its the same for all of these specific MTPs)
+					$mtpg_fields = array(
+						'MTP_user_id'      => $set_column_values['MTP_user_id'],
+						'MTP_messenger'    => $set_column_values['MTP_messenger'],
+						'MTP_message_type' => $set_column_values['MTP_message_type'],
+						'MTP_is_global'    => $set_column_values['MTP_is_global'],
+						'MTP_is_override'  => $set_column_values['MTP_is_override'],
+						'MTP_deleted'      => $set_column_values['MTP_deleted'],
+						'MTP_is_active'    => $set_column_values['MTP_is_active'],
+						'MTP_name'         => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_name'])
+							? $this->_req_data['ee_msg_non_global_fields']['MTP_name']
+							: '',
+						'MTP_description'  => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_description'])
+							? $this->_req_data['ee_msg_non_global_fields']['MTP_description']
+							: '',
+					);
+
+					$mtpg_where = array('GRP_ID' => $set_column_values['GRP_ID']);
+					$updated = $MTPG->update($mtpg_fields, array($mtpg_where));
+
+					if ($updated === false) {
+						EE_Error::add_error(
+							sprintf(
+								esc_html__(
+									'The Message Template Group (%d) was NOT updated for some reason',
+									'event_espresso'
+								),
+								$set_column_values['GRP_ID']
+							),
+							__FILE__,
+							__FUNCTION__,
+							__LINE__
+						);
+					} else {
+						// k now we need to ensure the template_pack and template_variation fields are set.
+						$template_pack = ! empty($this->_req_data['MTP_template_pack'])
+							? $this->_req_data['MTP_template_pack']
+							: 'default';
+
+						$template_variation = ! empty($this->_req_data['MTP_template_variation'])
+							? $this->_req_data['MTP_template_variation']
+							: 'default';
+
+						$mtpg_obj = $MTPG->get_one_by_ID($set_column_values['GRP_ID']);
+						if ($mtpg_obj instanceof EE_Message_Template_Group) {
+							$mtpg_obj->set_template_pack_name($template_pack);
+							$mtpg_obj->set_template_pack_variation($template_variation);
+						}
+						$success = 1;
+					}
+				}
+			}
+		}
+
+		// we return things differently if doing ajax
+		if (defined('DOING_AJAX') && DOING_AJAX) {
+			$this->_template_args['success'] = $success;
+			$this->_template_args['error'] = ! $success ? true : false;
+			$this->_template_args['content'] = '';
+			$this->_template_args['data'] = array(
+				'grpID'        => $edit_array['GRP_ID'],
+				'templateName' => $edit_array['template_name'],
+			);
+			if ($success) {
+				EE_Error::overwrite_success();
+				EE_Error::add_success(
+					esc_html__(
+						'The new template has been created and automatically selected for this event.  You can edit the new template by clicking the edit button.  Note before this template is assigned to this event, the event must be saved.',
+						'event_espresso'
+					)
+				);
+			}
+
+			$this->_return_json();
+		}
+
+
+		// was a test send triggered?
+		if (isset($this->_req_data['test_button'])) {
+			EE_Error::overwrite_success();
+			$this->_do_test_send($context_slug, $messenger_slug, $message_type_slug);
+			$override = true;
+		}
+
+		if (empty($query_args)) {
+			$query_args = array(
+				'id'      => $this->_req_data['GRP_ID'],
+				'context' => $context_slug,
+				'action'  => 'edit_message_template',
+			);
+		}
+
+		$this->_redirect_after_action($success, $item_desc, $action_desc, $query_args, $override);
+	}
+
+
+	/**
+	 * processes a test send request to do an actual messenger delivery test for the given message template being tested
+	 *
+	 * @param  string $context      what context being tested
+	 * @param  string $messenger    messenger being tested
+	 * @param  string $message_type message type being tested
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _do_test_send($context, $messenger, $message_type)
+	{
+		// set things up for preview
+		$this->_req_data['messenger'] = $messenger;
+		$this->_req_data['message_type'] = $message_type;
+		$this->_req_data['context'] = $context;
+		$this->_req_data['GRP_ID'] = isset($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : '';
+		$active_messenger = $this->_message_resource_manager->get_active_messenger($messenger);
+
+		// let's save any existing fields that might be required by the messenger
+		if (isset($this->_req_data['test_settings_fld'])
+			&& $active_messenger instanceof EE_messenger
+			&& apply_filters(
+				'FHEE__Messages_Admin_Page__do_test_send__set_existing_test_settings',
+				true,
+				$this->_req_data['test_settings_fld'],
+				$active_messenger
+			)
+		) {
+			$active_messenger->set_existing_test_settings($this->_req_data['test_settings_fld']);
+		}
+
+		/**
+		 * Use filter to add additional controls on whether message can send or not
+		 */
+		if (apply_filters(
+			'FHEE__Messages_Admin_Page__do_test_send__can_send',
+			true,
+			$context,
+			$this->_req_data,
+			$messenger,
+			$message_type
+		)) {
+			if (EEM_Event::instance()->count() > 0) {
+				$success = $this->_preview_message(true);
+				if ($success) {
+					EE_Error::add_success(__('Test message sent', 'event_espresso'));
+				} else {
+					EE_Error::add_error(
+						esc_html__('The test message was not sent', 'event_espresso'),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+				}
+			} else {
+				$this->noEventsErrorMessage(true);
+			}
+		}
+	}
+
+
+	/**
+	 * _generate_new_templates
+	 * This will handle the messenger, message_type selection when "adding a new custom template" for an event and will
+	 * automatically create the defaults for the event.  The user would then be redirected to edit the default context
+	 * for the event.
+	 *
+	 *
+	 * @param  string $messenger     the messenger we are generating templates for
+	 * @param array   $message_types array of message types that the templates are generated for.
+	 * @param int     $GRP_ID        If this is a custom template being generated then a GRP_ID needs to be included to
+	 *                               indicate the message_template_group being used as the base.
+	 *
+	 * @param bool    $global
+	 *
+	 * @return array|bool array of data required for the redirect to the correct edit page or bool if
+	 *                               encountering problems.
+	 * @throws EE_Error
+	 */
+	protected function _generate_new_templates($messenger, $message_types, $GRP_ID = 0, $global = false)
+	{
+
+		// if no $message_types are given then that's okay... this may be a messenger that just adds shortcodes, so we
+		// just don't generate any templates.
+		if (empty($message_types)) {
+			return true;
+		}
+
+		return EEH_MSG_Template::generate_new_templates($messenger, $message_types, $GRP_ID, $global);
+	}
+
+
+	/**
+	 * [_trash_or_restore_message_template]
+	 *
+	 * @param  boolean $trash whether to move an item to trash/restore (TRUE) or restore it (FALSE)
+	 * @param boolean  $all   whether this is going to trash/restore all contexts within a template group (TRUE) OR just
+	 *                        an individual context (FALSE).
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _trash_or_restore_message_template($trash = true, $all = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$MTP = EEM_Message_Template_Group::instance();
+
+		$success = 1;
+
+		// incoming GRP_IDs
+		if ($all) {
+			// Checkboxes
+			if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+				// if array has more than one element then success message should be plural.
+				// todo: what about nonce?
+				$success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
+
+				// cycle through checkboxes
+				while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
+					$trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
+					if (! $trashed_or_restored) {
+						$success = 0;
+					}
+				}
+			} else {
+				// grab single GRP_ID and handle
+				$GRP_ID = isset($this->_req_data['id']) ? absint($this->_req_data['id']) : 0;
+				if (! empty($GRP_ID)) {
+					$trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
+					if (! $trashed_or_restored) {
+						$success = 0;
+					}
+				} else {
+					$success = 0;
+				}
+			}
+		}
+
+		$action_desc = $trash
+			? esc_html__('moved to the trash', 'event_espresso')
+			: esc_html__('restored', 'event_espresso');
+
+		$action_desc = ! empty($this->_req_data['template_switch']) ? esc_html__('switched', 'event_espresso') : $action_desc;
+
+		$item_desc = $all ? _n(
+			'Message Template Group',
+			'Message Template Groups',
+			$success,
+			'event_espresso'
+		) : _n('Message Template Context', 'Message Template Contexts', $success, 'event_espresso');
+
+		$item_desc = ! empty($this->_req_data['template_switch']) ? _n(
+			'template',
+			'templates',
+			$success,
+			'event_espresso'
+		) : $item_desc;
+
+		$this->_redirect_after_action($success, $item_desc, $action_desc, array());
+	}
+
+
+	/**
+	 * [_delete_message_template]
+	 * NOTE: this handles not only the deletion of the groups but also all the templates belonging to that group.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _delete_message_template()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+
+		// checkboxes
+		if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+			// if array has more than one element then success message should be plural
+			$success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
+
+			// cycle through bulk action checkboxes
+			while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
+				$success = $this->_delete_mtp_permanently($GRP_ID);
+			}
+		} else {
+			// grab single grp_id and delete
+			$GRP_ID = absint($this->_req_data['id']);
+			$success = $this->_delete_mtp_permanently($GRP_ID);
+		}
+
+		$this->_redirect_after_action($success, 'Message Templates', 'deleted', array());
+	}
+
+
+	/**
+	 * helper for permanently deleting a mtP group and all related message_templates
+	 *
+	 * @param  int  $GRP_ID        The group being deleted
+	 * @param  bool $include_group whether to delete the Message Template Group as well.
+	 * @return bool boolean to indicate the success of the deletes or not.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _delete_mtp_permanently($GRP_ID, $include_group = true)
+	{
+		$success = 1;
+		$MTPG = EEM_Message_Template_Group::instance();
+		// first let's GET this group
+		$MTG = $MTPG->get_one_by_ID($GRP_ID);
+		// then delete permanently all the related Message Templates
+		$deleted = $MTG->delete_related_permanently('Message_Template');
+
+		if ($deleted === 0) {
+			$success = 0;
+		}
+
+		// now delete permanently this particular group
+
+		if ($include_group && ! $MTG->delete_permanently()) {
+			$success = 0;
+		}
+
+		return $success;
+	}
+
+
+	/**
+	 *    _learn_more_about_message_templates_link
+	 *
+	 * @access protected
+	 * @return string
+	 */
+	protected function _learn_more_about_message_templates_link()
+	{
+		return '<a class="hidden" style="margin:0 20px; cursor:pointer; font-size:12px;" >'
+			   . esc_html__('learn more about how message templates works', 'event_espresso')
+			   . '</a>';
+	}
+
+
+	/**
+	 * Used for setting up messenger/message type activation.  This loads up the initial view.  The rest is handled by
+	 * ajax and other routes.
+	 *
+	 * @return void
+	 * @throws DomainException
+	 */
+	protected function _settings()
+	{
+
+
+		$this->_set_m_mt_settings();
+
+		$selected_messenger = isset($this->_req_data['selected_messenger'])
+			? $this->_req_data['selected_messenger']
+			: 'email';
+
+		// let's setup the messenger tabs
+		$this->_template_args['admin_page_header'] = EEH_Tabbed_Content::tab_text_links(
+			$this->_m_mt_settings['messenger_tabs'],
+			'messenger_links',
+			'|',
+			$selected_messenger
+		);
+		$this->_template_args['before_admin_page_content'] = '<div class="ui-widget ui-helper-clearfix">';
+		$this->_template_args['after_admin_page_content'] = '</div><!-- end .ui-widget -->';
+
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 * This sets the $_m_mt_settings property for when needed (used on the Messages settings page)
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 */
+	protected function _set_m_mt_settings()
+	{
+		// first if this is already set then lets get out no need to regenerate data.
+		if (! empty($this->_m_mt_settings)) {
+			return;
+		}
+
+		// get all installed messengers and message_types
+		/** @type EE_messenger[] $messengers */
+		$messengers = $this->_message_resource_manager->installed_messengers();
+		/** @type EE_message_type[] $message_types */
+		$message_types = $this->_message_resource_manager->installed_message_types();
+
+
+		// assemble the array for the _tab_text_links helper
+
+		foreach ($messengers as $messenger) {
+			$this->_m_mt_settings['messenger_tabs'][ $messenger->name ] = array(
+				'label' => ucwords($messenger->label['singular']),
+				'class' => $this->_message_resource_manager->is_messenger_active($messenger->name)
+					? 'messenger-active'
+					: '',
+				'href'  => $messenger->name,
+				'title' => esc_html__('Modify this Messenger', 'event_espresso'),
+				'slug'  => $messenger->name,
+				'obj'   => $messenger,
+			);
+
+
+			$message_types_for_messenger = $messenger->get_valid_message_types();
+
+			foreach ($message_types as $message_type) {
+				// first we need to verify that this message type is valid with this messenger. Cause if it isn't then
+				// it shouldn't show in either the inactive OR active metabox.
+				if (! in_array($message_type->name, $message_types_for_messenger, true)) {
+					continue;
+				}
+
+				$a_or_i = $this->_message_resource_manager->is_message_type_active_for_messenger(
+					$messenger->name,
+					$message_type->name
+				)
+					? 'active'
+					: 'inactive';
+
+				$this->_m_mt_settings['message_type_tabs'][ $messenger->name ][ $a_or_i ][ $message_type->name ] = array(
+					'label'    => ucwords($message_type->label['singular']),
+					'class'    => 'message-type-' . $a_or_i,
+					'slug_id'  => $message_type->name . '-messagetype-' . $messenger->name,
+					'mt_nonce' => wp_create_nonce($message_type->name . '_nonce'),
+					'href'     => 'espresso_' . $message_type->name . '_message_type_settings',
+					'title'    => $a_or_i === 'active'
+						? esc_html__('Drag this message type to the Inactive window to deactivate', 'event_espresso')
+						: esc_html__('Drag this message type to the messenger to activate', 'event_espresso'),
+					'content'  => $a_or_i === 'active'
+						? $this->_message_type_settings_content($message_type, $messenger, true)
+						: $this->_message_type_settings_content($message_type, $messenger),
+					'slug'     => $message_type->name,
+					'active'   => $a_or_i === 'active',
+					'obj'      => $message_type,
+				);
+			}
+		}
+	}
+
+
+	/**
+	 * This just prepares the content for the message type settings
+	 *
+	 * @param  EE_message_type $message_type The message type object
+	 * @param  EE_messenger    $messenger    The messenger object
+	 * @param  boolean         $active       Whether the message type is active or not
+	 * @return string html output for the content
+	 * @throws DomainException
+	 */
+	protected function _message_type_settings_content($message_type, $messenger, $active = false)
+	{
+		// get message type fields
+		$fields = $message_type->get_admin_settings_fields();
+		$settings_template_args['template_form_fields'] = '';
+
+		if (! empty($fields) && $active) {
+			$existing_settings = $message_type->get_existing_admin_settings($messenger->name);
+			foreach ($fields as $fldname => $fldprops) {
+				$field_id = $messenger->name . '-' . $message_type->name . '-' . $fldname;
+				$template_form_field[ $field_id ] = array(
+					'name'       => 'message_type_settings[' . $fldname . ']',
+					'label'      => $fldprops['label'],
+					'input'      => $fldprops['field_type'],
+					'type'       => $fldprops['value_type'],
+					'required'   => $fldprops['required'],
+					'validation' => $fldprops['validation'],
+					'value'      => isset($existing_settings[ $fldname ])
+						? $existing_settings[ $fldname ]
+						: $fldprops['default'],
+					'options'    => isset($fldprops['options'])
+						? $fldprops['options']
+						: array(),
+					'default'    => isset($existing_settings[ $fldname ])
+						? $existing_settings[ $fldname ]
+						: $fldprops['default'],
+					'css_class'  => 'no-drag',
+					'format'     => $fldprops['format'],
+				);
+			}
+
+
+			$settings_template_args['template_form_fields'] = ! empty($template_form_field)
+				? $this->_generate_admin_form_fields(
+					$template_form_field,
+					'string',
+					'ee_mt_activate_form'
+				)
+				: '';
+		}
+
+		$settings_template_args['description'] = $message_type->description;
+		// we also need some hidden fields
+		$settings_template_args['hidden_fields'] = array(
+			'message_type_settings[messenger]'    => array(
+				'type'  => 'hidden',
+				'value' => $messenger->name,
+			),
+			'message_type_settings[message_type]' => array(
+				'type'  => 'hidden',
+				'value' => $message_type->name,
+			),
+			'type'                                => array(
+				'type'  => 'hidden',
+				'value' => 'message_type',
+			),
+		);
+
+		$settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
+			$settings_template_args['hidden_fields'],
+			'array'
+		);
+		$settings_template_args['show_form'] = empty($settings_template_args['template_form_fields'])
+			? ' hidden'
+			: '';
+
+
+		$template = EE_MSG_TEMPLATE_PATH . 'ee_msg_mt_settings_content.template.php';
+		$content = EEH_Template::display_template($template, $settings_template_args, true);
+
+		return $content;
+	}
+
+
+	/**
+	 * Generate all the metaboxes for the message types and register them for the messages settings page.
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 */
+	protected function _messages_settings_metaboxes()
+	{
+		$this->_set_m_mt_settings();
+		$m_boxes = $mt_boxes = array();
+		$m_template_args = $mt_template_args = array();
+
+		$selected_messenger = isset($this->_req_data['selected_messenger'])
+			? $this->_req_data['selected_messenger']
+			: 'email';
+
+		if (isset($this->_m_mt_settings['messenger_tabs'])) {
+			foreach ($this->_m_mt_settings['messenger_tabs'] as $messenger => $tab_array) {
+				$hide_on_message = $this->_message_resource_manager->is_messenger_active($messenger) ? '' : 'hidden';
+				$hide_off_message = $this->_message_resource_manager->is_messenger_active($messenger) ? 'hidden' : '';
+				// messenger meta boxes
+				$active = $selected_messenger === $messenger;
+				$active_mt_tabs = isset(
+					$this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
+				)
+					? $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
+					: '';
+				$m_boxes[ $messenger . '_a_box' ] = sprintf(
+					esc_html__('%s Settings', 'event_espresso'),
+					$tab_array['label']
+				);
+				$m_template_args[ $messenger . '_a_box' ] = array(
+					'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
+					'inactive_message_types' => isset(
+						$this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
+					)
+						? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
+						: '',
+					'content'                => $this->_get_messenger_box_content($tab_array['obj']),
+					'hidden'                 => $active ? '' : ' hidden',
+					'hide_on_message'        => $hide_on_message,
+					'messenger'              => $messenger,
+					'active'                 => $active,
+				);
+				// message type meta boxes
+				// (which is really just the inactive container for each messenger
+				// showing inactive message types for that messenger)
+				$mt_boxes[ $messenger . '_i_box' ] = esc_html__('Inactive Message Types', 'event_espresso');
+				$mt_template_args[ $messenger . '_i_box' ] = array(
+					'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
+					'inactive_message_types' => isset(
+						$this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
+					)
+						? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
+						: '',
+					'hidden'                 => $active ? '' : ' hidden',
+					'hide_on_message'        => $hide_on_message,
+					'hide_off_message'       => $hide_off_message,
+					'messenger'              => $messenger,
+					'active'                 => $active,
+				);
+			}
+		}
+
+
+		// register messenger metaboxes
+		$m_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_mt_meta_box.template.php';
+		foreach ($m_boxes as $box => $label) {
+			$callback_args = array('template_path' => $m_template_path, 'template_args' => $m_template_args[ $box ]);
+			$msgr = str_replace('_a_box', '', $box);
+			add_meta_box(
+				'espresso_' . $msgr . '_settings',
+				$label,
+				function ($post, $metabox) {
+					echo EEH_Template::display_template(
+						$metabox["args"]["template_path"],
+						$metabox["args"]["template_args"],
+						true
+					);
+				},
+				$this->_current_screen->id,
+				'normal',
+				'high',
+				$callback_args
+			);
+		}
+
+		// register message type metaboxes
+		$mt_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_meta_box.template.php';
+		foreach ($mt_boxes as $box => $label) {
+			$callback_args = array(
+				'template_path' => $mt_template_path,
+				'template_args' => $mt_template_args[ $box ],
+			);
+			$mt = str_replace('_i_box', '', $box);
+			add_meta_box(
+				'espresso_' . $mt . '_inactive_mts',
+				$label,
+				function ($post, $metabox) {
+					echo EEH_Template::display_template(
+						$metabox["args"]["template_path"],
+						$metabox["args"]["template_args"],
+						true
+					);
+				},
+				$this->_current_screen->id,
+				'side',
+				'high',
+				$callback_args
+			);
+		}
+
+		// register metabox for global messages settings but only when on the main site.  On single site installs this
+		// will always result in the metabox showing, on multisite installs the metabox will only show on the main site.
+		if (is_main_site()) {
+			add_meta_box(
+				'espresso_global_message_settings',
+				esc_html__('Global Message Settings', 'event_espresso'),
+				array($this, 'global_messages_settings_metabox_content'),
+				$this->_current_screen->id,
+				'normal',
+				'low',
+				array()
+			);
+		}
+	}
+
+
+	/**
+	 *  This generates the content for the global messages settings metabox.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function global_messages_settings_metabox_content()
+	{
+		$form = $this->_generate_global_settings_form();
+		echo $form->form_open(
+			$this->add_query_args_and_nonce(array('action' => 'update_global_settings'), EE_MSG_ADMIN_URL),
+			'POST'
+		)
+			 . $form->get_html()
+			 . $form->form_close();
+	}
+
+
+	/**
+	 * This generates and returns the form object for the global messages settings.
+	 *
+	 * @return EE_Form_Section_Proper
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _generate_global_settings_form()
+	{
+		EE_Registry::instance()->load_helper('HTML');
+		/** @var EE_Network_Core_Config $network_config */
+		$network_config = EE_Registry::instance()->NET_CFG->core;
+
+		return new EE_Form_Section_Proper(
+			array(
+				'name'            => 'global_messages_settings',
+				'html_id'         => 'global_messages_settings',
+				'html_class'      => 'form-table',
+				'layout_strategy' => new EE_Admin_Two_Column_Layout(),
+				'subsections'     => apply_filters(
+					'FHEE__Messages_Admin_Page__global_messages_settings_metabox_content__form_subsections',
+					array(
+						'do_messages_on_same_request' => new EE_Select_Input(
+							array(
+								true  => esc_html__("On the same request", "event_espresso"),
+								false => esc_html__("On a separate request", "event_espresso"),
+							),
+							array(
+								'default'         => $network_config->do_messages_on_same_request,
+								'html_label_text' => esc_html__(
+									'Generate and send all messages:',
+									'event_espresso'
+								),
+								'html_help_text'  => esc_html__(
+									'By default the messages system uses a more efficient means of processing messages on separate requests and utilizes the wp-cron scheduling system.  This makes things execute faster for people registering for your events.  However, if the wp-cron system is disabled on your site and there is no alternative in place, then you can change this so messages are always executed on the same request.',
+									'event_espresso'
+								),
+							)
+						),
+						'delete_threshold'            => new EE_Select_Input(
+							array(
+								0  => esc_html__('Forever', 'event_espresso'),
+								3  => esc_html__('3 Months', 'event_espresso'),
+								6  => esc_html__('6 Months', 'event_espresso'),
+								9  => esc_html__('9 Months', 'event_espresso'),
+								12 => esc_html__('12 Months', 'event_espresso'),
+								24 => esc_html__('24 Months', 'event_espresso'),
+								36 => esc_html__('36 Months', 'event_espresso'),
+							),
+							array(
+								'default'         => EE_Registry::instance()->CFG->messages->delete_threshold,
+								'html_label_text' => esc_html__('Cleanup of old messages:', 'event_espresso'),
+								'html_help_text'  => esc_html__(
+									'You can control how long a record of processed messages is kept via this option.',
+									'event_espresso'
+								),
+							)
+						),
+						'update_settings'             => new EE_Submit_Input(
+							array(
+								'default'         => esc_html__('Update', 'event_espresso'),
+								'html_label_text' => '&nbsp',
+							)
+						),
+					)
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * This handles updating the global settings set on the admin page.
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _update_global_settings()
+	{
+		/** @var EE_Network_Core_Config $network_config */
+		$network_config = EE_Registry::instance()->NET_CFG->core;
+		$messages_config = EE_Registry::instance()->CFG->messages;
+		$form = $this->_generate_global_settings_form();
+		if ($form->was_submitted()) {
+			$form->receive_form_submission();
+			if ($form->is_valid()) {
+				$valid_data = $form->valid_data();
+				foreach ($valid_data as $property => $value) {
+					$setter = 'set_' . $property;
+					if (method_exists($network_config, $setter)) {
+						$network_config->{$setter}($value);
+					} elseif (property_exists($network_config, $property)
+						&& $network_config->{$property} !== $value
+					) {
+						$network_config->{$property} = $value;
+					} elseif (property_exists($messages_config, $property)
+						&& $messages_config->{$property} !== $value
+					) {
+						$messages_config->{$property} = $value;
+					}
+				}
+				// only update if the form submission was valid!
+				EE_Registry::instance()->NET_CFG->update_config(true, false);
+				EE_Registry::instance()->CFG->update_espresso_config();
+				EE_Error::overwrite_success();
+				EE_Error::add_success(__('Global message settings were updated', 'event_espresso'));
+			}
+		}
+		$this->_redirect_after_action(0, '', '', array('action' => 'settings'), true);
+	}
+
+
+	/**
+	 * this prepares the messenger tabs that can be dragged in and out of messenger boxes to activate/deactivate
+	 *
+	 * @param  array $tab_array This is an array of message type tab details used to generate the tabs
+	 * @return string html formatted tabs
+	 * @throws DomainException
+	 */
+	protected function _get_mt_tabs($tab_array)
+	{
+		$tab_array = (array) $tab_array;
+		$template = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_mt_settings_tab_item.template.php';
+		$tabs = '';
+
+		foreach ($tab_array as $tab) {
+			$tabs .= EEH_Template::display_template($template, $tab, true);
+		}
+
+		return $tabs;
+	}
+
+
+	/**
+	 * This prepares the content of the messenger meta box admin settings
+	 *
+	 * @param  EE_messenger $messenger The messenger we're setting up content for
+	 * @return string html formatted content
+	 * @throws DomainException
+	 */
+	protected function _get_messenger_box_content(EE_messenger $messenger)
+	{
+
+		$fields = $messenger->get_admin_settings_fields();
+		$settings_template_args['template_form_fields'] = '';
+
+		// is $messenger active?
+		$settings_template_args['active'] = $this->_message_resource_manager->is_messenger_active($messenger->name);
+
+
+		if (! empty($fields)) {
+			$existing_settings = $messenger->get_existing_admin_settings();
+
+			foreach ($fields as $fldname => $fldprops) {
+				$field_id = $messenger->name . '-' . $fldname;
+				$template_form_field[ $field_id ] = array(
+					'name'       => 'messenger_settings[' . $field_id . ']',
+					'label'      => $fldprops['label'],
+					'input'      => $fldprops['field_type'],
+					'type'       => $fldprops['value_type'],
+					'required'   => $fldprops['required'],
+					'validation' => $fldprops['validation'],
+					'value'      => isset($existing_settings[ $field_id ])
+						? $existing_settings[ $field_id ]
+						: $fldprops['default'],
+					'css_class'  => '',
+					'format'     => $fldprops['format'],
+				);
+			}
+
+
+			$settings_template_args['template_form_fields'] = ! empty($template_form_field)
+				? $this->_generate_admin_form_fields($template_form_field, 'string', 'ee_m_activate_form')
+				: '';
+		}
+
+		// we also need some hidden fields
+		$settings_template_args['hidden_fields'] = array(
+			'messenger_settings[messenger]' => array(
+				'type'  => 'hidden',
+				'value' => $messenger->name,
+			),
+			'type'                          => array(
+				'type'  => 'hidden',
+				'value' => 'messenger',
+			),
+		);
+
+		// make sure any active message types that are existing are included in the hidden fields
+		if (isset($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'])) {
+			foreach ($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'] as $mt => $values) {
+				$settings_template_args['hidden_fields'][ 'messenger_settings[message_types][' . $mt . ']' ] = array(
+					'type'  => 'hidden',
+					'value' => $mt,
+				);
+			}
+		}
+		$settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
+			$settings_template_args['hidden_fields'],
+			'array'
+		);
+		$active = $this->_message_resource_manager->is_messenger_active($messenger->name);
+
+		$settings_template_args['messenger'] = $messenger->name;
+		$settings_template_args['description'] = $messenger->description;
+		$settings_template_args['show_hide_edit_form'] = $active ? '' : ' hidden';
+
+
+		$settings_template_args['show_hide_edit_form'] = $this->_message_resource_manager->is_messenger_active(
+			$messenger->name
+		)
+			? $settings_template_args['show_hide_edit_form']
+			: ' hidden';
+
+		$settings_template_args['show_hide_edit_form'] = empty($settings_template_args['template_form_fields'])
+			? ' hidden'
+			: $settings_template_args['show_hide_edit_form'];
+
+
+		$settings_template_args['on_off_action'] = $active ? 'messenger-off' : 'messenger-on';
+		$settings_template_args['nonce'] = wp_create_nonce('activate_' . $messenger->name . '_toggle_nonce');
+		$settings_template_args['on_off_status'] = $active ? true : false;
+		$template = EE_MSG_TEMPLATE_PATH . 'ee_msg_m_settings_content.template.php';
+		$content = EEH_Template::display_template(
+			$template,
+			$settings_template_args,
+			true
+		);
+
+		return $content;
+	}
+
+
+	/**
+	 * used by ajax on the messages settings page to activate|deactivate the messenger
+	 *
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	public function activate_messenger_toggle()
+	{
+		$success = true;
+		$this->_prep_default_response_for_messenger_or_message_type_toggle();
+		// let's check that we have required data
+		if (! isset($this->_req_data['messenger'])) {
+			EE_Error::add_error(
+				esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		// do a nonce check here since we're not arriving via a normal route
+		$nonce = isset($this->_req_data['activate_nonce'])
+			? sanitize_text_field($this->_req_data['activate_nonce'])
+			: '';
+		$nonce_ref = 'activate_' . $this->_req_data['messenger'] . '_toggle_nonce';
+
+		$this->_verify_nonce($nonce, $nonce_ref);
+
+
+		if (! isset($this->_req_data['status'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Messenger status needed to know whether activation or deactivation is happening. No status is given',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		// do check to verify we have a valid status.
+		$status = $this->_req_data['status'];
+
+		if ($status !== 'off' && $status !== 'on') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
+					$this->_req_data['status']
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		if ($success) {
+			// made it here?  Stop dawdling then!!
+			$success = $status === 'off'
+				? $this->_deactivate_messenger($this->_req_data['messenger'])
+				: $this->_activate_messenger($this->_req_data['messenger']);
+		}
+
+		$this->_template_args['success'] = $success;
+
+		// no special instructions so let's just do the json return (which should automatically do all the special stuff).
+		$this->_return_json();
+	}
+
+
+	/**
+	 * used by ajax from the messages settings page to activate|deactivate a message type
+	 *
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function activate_mt_toggle()
+	{
+		$success = true;
+		$this->_prep_default_response_for_messenger_or_message_type_toggle();
+
+		// let's make sure we have the necessary data
+		if (! isset($this->_req_data['message_type'])) {
+			EE_Error::add_error(
+				esc_html__('Message Type name needed to toggle activation. None given', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		if (! isset($this->_req_data['messenger'])) {
+			EE_Error::add_error(
+				esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		if (! isset($this->_req_data['status'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Messenger status needed to know whether activation or deactivation is happening. No status is given',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+
+		// do check to verify we have a valid status.
+		$status = $this->_req_data['status'];
+
+		if ($status !== 'activate' && $status !== 'deactivate') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('The given status (%s) is not valid. Must be "active" or "inactive"', 'event_espresso'),
+					$this->_req_data['status']
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+
+		// do a nonce check here since we're not arriving via a normal route
+		$nonce = isset($this->_req_data['mt_nonce']) ? sanitize_text_field($this->_req_data['mt_nonce']) : '';
+		$nonce_ref = $this->_req_data['message_type'] . '_nonce';
+
+		$this->_verify_nonce($nonce, $nonce_ref);
+
+		if ($success) {
+			// made it here? um, what are you waiting for then?
+			$success = $status === 'deactivate'
+				? $this->_deactivate_message_type_for_messenger(
+					$this->_req_data['messenger'],
+					$this->_req_data['message_type']
+				)
+				: $this->_activate_message_type_for_messenger(
+					$this->_req_data['messenger'],
+					$this->_req_data['message_type']
+				);
+		}
+
+		$this->_template_args['success'] = $success;
+		$this->_return_json();
+	}
+
+
+	/**
+	 * Takes care of processing activating a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name The name of the messenger being activated
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _activate_messenger($messenger_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		$message_types_to_activate = $active_messenger instanceof EE_Messenger
+			? $active_messenger->get_default_message_types()
+			: array();
+
+		// ensure is active
+		$this->_message_resource_manager->activate_messenger($active_messenger, $message_types_to_activate);
+
+		// set response_data for reload
+		foreach ($message_types_to_activate as $message_type_name) {
+			/** @var EE_message_type $message_type */
+			$message_type = $this->_message_resource_manager->get_message_type($message_type_name);
+			if ($this->_message_resource_manager->is_message_type_active_for_messenger(
+				$messenger_name,
+				$message_type_name
+			)
+				&& $message_type instanceof EE_message_type
+			) {
+				$this->_template_args['data']['active_mts'][] = $message_type_name;
+				if ($message_type->get_admin_settings_fields()) {
+					$this->_template_args['data']['mt_reload'][] = $message_type_name;
+				}
+			}
+		}
+
+		// add success message for activating messenger
+		return $this->_setup_response_message_for_activating_messenger_with_message_types($active_messenger);
+	}
+
+
+	/**
+	 * Takes care of processing deactivating a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name The name of the messenger being activated
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _deactivate_messenger($messenger_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		$this->_message_resource_manager->deactivate_messenger($messenger_name);
+
+		return $this->_setup_response_message_for_deactivating_messenger_with_message_types($active_messenger);
+	}
+
+
+	/**
+	 * Takes care of processing activating a message type for a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name    The name of the messenger the message type is being activated for.
+	 * @param string $message_type_name The name of the message type being activated for the messenger
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _activate_message_type_for_messenger($messenger_name, $message_type_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		/** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
+		$message_type_to_activate = $this->_message_resource_manager->get_message_type($message_type_name);
+
+		// ensure is active
+		$this->_message_resource_manager->activate_messenger($active_messenger, $message_type_name);
+
+		// set response for load
+		if ($this->_message_resource_manager->is_message_type_active_for_messenger(
+			$messenger_name,
+			$message_type_name
+		)
+		) {
+			$this->_template_args['data']['active_mts'][] = $message_type_name;
+			if ($message_type_to_activate->get_admin_settings_fields()) {
+				$this->_template_args['data']['mt_reload'][] = $message_type_name;
+			}
+		}
+
+		return $this->_setup_response_message_for_activating_messenger_with_message_types(
+			$active_messenger,
+			$message_type_to_activate
+		);
+	}
+
+
+	/**
+	 * Takes care of processing deactivating a message type for a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name    The name of the messenger the message type is being deactivated for.
+	 * @param string $message_type_name The name of the message type being deactivated for the messenger
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _deactivate_message_type_for_messenger($messenger_name, $message_type_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		/** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
+		$message_type_to_deactivate = $this->_message_resource_manager->get_message_type($message_type_name);
+		$this->_message_resource_manager->deactivate_message_type_for_messenger($message_type_name, $messenger_name);
+
+		return $this->_setup_response_message_for_deactivating_messenger_with_message_types(
+			$active_messenger,
+			$message_type_to_deactivate
+		);
+	}
+
+
+	/**
+	 * This just initializes the defaults for activating messenger and message type responses.
+	 */
+	protected function _prep_default_response_for_messenger_or_message_type_toggle()
+	{
+		$this->_template_args['data']['active_mts'] = array();
+		$this->_template_args['data']['mt_reload'] = array();
+	}
+
+
+	/**
+	 * Setup appropriate response for activating a messenger and/or message types
+	 *
+	 * @param EE_messenger         $messenger
+	 * @param EE_message_type|null $message_type
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _setup_response_message_for_activating_messenger_with_message_types(
+		$messenger,
+		EE_Message_Type $message_type = null
+	) {
+		// if $messenger isn't a valid messenger object then get out.
+		if (! $messenger instanceof EE_Messenger) {
+			EE_Error::add_error(
+				esc_html__('The messenger being activated is not a valid messenger', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+
+			return false;
+		}
+		// activated
+		if ($this->_template_args['data']['active_mts']) {
+			EE_Error::overwrite_success();
+			// activated a message type with the messenger
+			if ($message_type instanceof EE_message_type) {
+				EE_Error::add_success(
+					sprintf(
+						esc_html__(
+							'%s message type has been successfully activated with the %s messenger',
+							'event_espresso'
+						),
+						ucwords($message_type->label['singular']),
+						ucwords($messenger->label['singular'])
+					)
+				);
+
+				// if message type was invoice then let's make sure we activate the invoice payment method.
+				if ($message_type->name === 'invoice') {
+					EE_Registry::instance()->load_lib('Payment_Method_Manager');
+					$pm = EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
+					if ($pm instanceof EE_Payment_Method) {
+						EE_Error::add_attention(
+							esc_html__(
+								'Activating the invoice message type also automatically activates the invoice payment method.  If you do not wish the invoice payment method to be active, or to change its settings, visit the payment method admin page.',
+								'event_espresso'
+							)
+						);
+					}
+				}
+				// just toggles the entire messenger
+			} else {
+				EE_Error::add_success(
+					sprintf(
+						esc_html__('%s messenger has been successfully activated', 'event_espresso'),
+						ucwords($messenger->label['singular'])
+					)
+				);
+			}
+
+			return true;
+
+			// possible error condition. This will happen when our active_mts data is empty because it is validated for actual active
+			// message types after the activation process.  However its possible some messengers don't HAVE any default_message_types
+			// in which case we just give a success message for the messenger being successfully activated.
+		} else {
+			if (! $messenger->get_default_message_types()) {
+				// messenger doesn't have any default message types so still a success.
+				EE_Error::add_success(
+					sprintf(
+						esc_html__('%s messenger was successfully activated.', 'event_espresso'),
+						ucwords($messenger->label['singular'])
+					)
+				);
+
+				return true;
+			} else {
+				EE_Error::add_error(
+					$message_type instanceof EE_message_type
+						? sprintf(
+							esc_html__(
+								'%s message type was not successfully activated with the %s messenger',
+								'event_espresso'
+							),
+							ucwords($message_type->label['singular']),
+							ucwords($messenger->label['singular'])
+						)
+						: sprintf(
+							esc_html__('%s messenger was not successfully activated', 'event_espresso'),
+							ucwords($messenger->label['singular'])
+						),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+
+				return false;
+			}
+		}
+	}
+
+
+	/**
+	 * This sets up the appropriate response for deactivating a messenger and/or message type.
+	 *
+	 * @param EE_messenger         $messenger
+	 * @param EE_message_type|null $message_type
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _setup_response_message_for_deactivating_messenger_with_message_types(
+		$messenger,
+		EE_message_type $message_type = null
+	) {
+		EE_Error::overwrite_success();
+
+		// if $messenger isn't a valid messenger object then get out.
+		if (! $messenger instanceof EE_Messenger) {
+			EE_Error::add_error(
+				esc_html__('The messenger being deactivated is not a valid messenger', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+
+			return false;
+		}
+
+		if ($message_type instanceof EE_message_type) {
+			$message_type_name = $message_type->name;
+			EE_Error::add_success(
+				sprintf(
+					esc_html__(
+						'%s message type has been successfully deactivated for the %s messenger.',
+						'event_espresso'
+					),
+					ucwords($message_type->label['singular']),
+					ucwords($messenger->label['singular'])
+				)
+			);
+		} else {
+			$message_type_name = '';
+			EE_Error::add_success(
+				sprintf(
+					esc_html__('%s messenger has been successfully deactivated.', 'event_espresso'),
+					ucwords($messenger->label['singular'])
+				)
+			);
+		}
+
+		// if messenger was html or message type was invoice then let's make sure we deactivate invoice payment method.
+		if ($messenger->name === 'html' || $message_type_name === 'invoice') {
+			EE_Registry::instance()->load_lib('Payment_Method_Manager');
+			$count_updated = EE_Payment_Method_Manager::instance()->deactivate_payment_method('invoice');
+			if ($count_updated > 0) {
+				$msg = $message_type_name === 'invoice'
+					? esc_html__(
+						'Deactivating the invoice message type also automatically deactivates the invoice payment method. In order for invoices to be generated the invoice message type must be active. If you completed this action by mistake, simply reactivate the invoice message type and then visit the payment methods admin page to reactivate the invoice payment method.',
+						'event_espresso'
+					)
+					: esc_html__(
+						'Deactivating the html messenger also automatically deactivates the invoice payment method.  In order for invoices to be generated the html messenger must be be active.  If you completed this action by mistake, simply reactivate the html messenger, then visit the payment methods admin page to reactivate the invoice payment method.',
+						'event_espresso'
+					);
+				EE_Error::add_attention($msg);
+			}
+		}
+
+		return true;
+	}
+
+
+	/**
+	 * handles updating a message type form on messenger activation IF the message type has settings fields. (via ajax)
+	 *
+	 * @throws DomainException
+	 */
+	public function update_mt_form()
+	{
+		if (! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
+			EE_Error::add_error(
+				esc_html__('Require message type or messenger to send an updated form', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_return_json();
+		}
+
+		$message_types = $this->get_installed_message_types();
+
+		$message_type = $message_types[ $this->_req_data['message_type'] ];
+		$messenger = $this->_message_resource_manager->get_active_messenger($this->_req_data['messenger']);
+
+		$content = $this->_message_type_settings_content(
+			$message_type,
+			$messenger,
+			true
+		);
+		$this->_template_args['success'] = true;
+		$this->_template_args['content'] = $content;
+		$this->_return_json();
+	}
+
+
+	/**
+	 * this handles saving the settings for a messenger or message type
+	 *
+	 */
+	public function save_settings()
+	{
+		if (! isset($this->_req_data['type'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Cannot save settings because type is unknown (messenger settings or messsage type settings?)',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_template_args['error'] = true;
+			$this->_return_json();
+		}
+
+
+		if ($this->_req_data['type'] === 'messenger') {
+			// this should be an array.
+			$settings = $this->_req_data['messenger_settings'];
+			$messenger = $settings['messenger'];
+			// let's setup the settings data
+			foreach ($settings as $key => $value) {
+				switch ($key) {
+					case 'messenger':
+						unset($settings['messenger']);
+						break;
+					case 'message_types':
+						unset($settings['message_types']);
+						break;
+					default:
+						$settings[ $key ] = $value;
+						break;
+				}
+			}
+			$this->_message_resource_manager->add_settings_for_messenger($messenger, $settings);
+		} elseif ($this->_req_data['type'] === 'message_type') {
+			$settings = $this->_req_data['message_type_settings'];
+			$messenger = $settings['messenger'];
+			$message_type = $settings['message_type'];
+
+			foreach ($settings as $key => $value) {
+				switch ($key) {
+					case 'messenger':
+						unset($settings['messenger']);
+						break;
+					case 'message_type':
+						unset($settings['message_type']);
+						break;
+					default:
+						$settings[ $key ] = $value;
+						break;
+				}
+			}
+
+			$this->_message_resource_manager->add_settings_for_message_type($messenger, $message_type, $settings);
+		}
+
+		// okay we should have the data all setup.  Now we just update!
+		$success = $this->_message_resource_manager->update_active_messengers_option();
+
+		if ($success) {
+			EE_Error::add_success(__('Settings updated', 'event_espresso'));
+		} else {
+			EE_Error::add_error(
+				esc_html__(
+					'Settings did not get updated',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		$this->_template_args['success'] = $success;
+		$this->_return_json();
+	}
+
+
+
+
+	/**  EE MESSAGE PROCESSING ACTIONS **/
+
+
+	/**
+	 * This immediately generates any EE_Message ID's that are selected that are EEM_Message::status_incomplete
+	 * However, this does not send immediately, it just queues for sending.
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _generate_now()
+	{
+		EED_Messages::generate_now($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 * This immediately generates AND sends any EE_Message's selected that are EEM_Message::status_incomplete or that
+	 * are EEM_Message::status_resend or EEM_Message::status_idle
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _generate_and_send_now()
+	{
+		EED_Messages::generate_and_send_now($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 * This queues any EEM_Message::status_sent EE_Message ids in the request for resending.
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _queue_for_resending()
+	{
+		EED_Messages::queue_for_resending($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 *  This sends immediately any EEM_Message::status_idle or EEM_Message::status_resend messages in the queue
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _send_now()
+	{
+		EED_Messages::send_now($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 * Deletes EE_messages for IDs in the request.
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function _delete_ee_messages()
+	{
+		$msg_ids = $this->_get_msg_ids_from_request();
+		$deleted_count = 0;
+		foreach ($msg_ids as $msg_id) {
+			if (EEM_Message::instance()->delete_by_ID($msg_id)) {
+				$deleted_count++;
+			}
+		}
+		if ($deleted_count) {
+			EE_Error::add_success(
+				esc_html(
+					_n(
+						'Message successfully deleted',
+						'Messages successfully deleted',
+						$deleted_count,
+						'event_espresso'
+					)
+				)
+			);
+			$this->_redirect_after_action(
+				false,
+				'',
+				'',
+				array(),
+				true
+			);
+		} else {
+			EE_Error::add_error(
+				_n('The message was not deleted.', 'The messages were not deleted', count($msg_ids), 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_redirect_after_action(false, '', '', array(), true);
+		}
+	}
+
+
+	/**
+	 *  This looks for 'MSG_ID' key in the request and returns an array of MSG_ID's if present.
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	protected function _get_msg_ids_from_request()
+	{
+		if (! isset($this->_req_data['MSG_ID'])) {
+			return array();
+		}
+
+		return is_array($this->_req_data['MSG_ID'])
+			? array_keys($this->_req_data['MSG_ID'])
+			: array($this->_req_data['MSG_ID']);
+	}
 }

Spacing +209 added lines, -209 removed lines

@@ -142,8 +142,8 @@ 
         $i = 1;
         foreach ($active_messengers as $active_messenger) {
             if ($active_messenger instanceof EE_Message) {
-                $m_values[ $i ]['id'] = $active_messenger->messenger();
-                $m_values[ $i ]['text'] = ucwords($active_messenger->messenger_label());
+                $m_values[$i]['id'] = $active_messenger->messenger();
+                $m_values[$i]['text'] = ucwords($active_messenger->messenger_label());
                 $i++;
             }
         }
@@ -179,8 +179,8 @@ 
         $i = 1;
         foreach ($active_messages as $active_message) {
             if ($active_message instanceof EE_Message) {
-                $mt_values[ $i ]['id'] = $active_message->message_type();
-                $mt_values[ $i ]['text'] = ucwords($active_message->message_type_label());
+                $mt_values[$i]['id'] = $active_message->message_type();
+                $mt_values[$i]['text'] = ucwords($active_message->message_type_label());
                 $i++;
             }
         }
@@ -219,7 +219,7 @@ 
                 if ($message_type instanceof EE_message_type) {
                     $message_type_contexts = $message_type->get_contexts();
                     foreach ($message_type_contexts as $context => $context_details) {
-                        $contexts[ $context ] = $context_details['label'];
+                        $contexts[$context] = $context_details['label'];
                     }
                 }
             }
@@ -714,53 +714,53 @@ 
 
     public function messages_help_tab()
     {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_help_tab.template.php');
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_messages_help_tab.template.php');
     }
 
 
     public function messengers_help_tab()
     {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messenger_help_tab.template.php');
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_messenger_help_tab.template.php');
     }
 
 
     public function message_types_help_tab()
     {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_type_help_tab.template.php');
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_message_type_help_tab.template.php');
     }
 
 
     public function messages_overview_help_tab()
     {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_overview_help_tab.template.php');
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_overview_help_tab.template.php');
     }
 
 
     public function message_templates_help_tab()
     {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_templates_help_tab.template.php');
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_message_templates_help_tab.template.php');
     }
 
 
     public function edit_message_template_help_tab()
     {
-        $args['img1'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/editor.png' . '" alt="'
+        $args['img1'] = '<img src="'.EE_MSG_ASSETS_URL.'images/editor.png'.'" alt="'
                         . esc_attr__('Editor Title', 'event_espresso')
                         . '" />';
-        $args['img2'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/switch-context.png' . '" alt="'
+        $args['img2'] = '<img src="'.EE_MSG_ASSETS_URL.'images/switch-context.png'.'" alt="'
                         . esc_attr__('Context Switcher and Preview', 'event_espresso')
                         . '" />';
-        $args['img3'] = '<img class="left" src="' . EE_MSG_ASSETS_URL . 'images/form-fields.png' . '" alt="'
+        $args['img3'] = '<img class="left" src="'.EE_MSG_ASSETS_URL.'images/form-fields.png'.'" alt="'
                         . esc_attr__('Message Template Form Fields', 'event_espresso')
                         . '" />';
-        $args['img4'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/shortcodes-metabox.png' . '" alt="'
+        $args['img4'] = '<img class="right" src="'.EE_MSG_ASSETS_URL.'images/shortcodes-metabox.png'.'" alt="'
                         . esc_attr__('Shortcodes Metabox', 'event_espresso')
                         . '" />';
-        $args['img5'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/publish-meta-box.png' . '" alt="'
+        $args['img5'] = '<img class="right" src="'.EE_MSG_ASSETS_URL.'images/publish-meta-box.png'.'" alt="'
                         . esc_attr__('Publish Metabox', 'event_espresso')
                         . '" />';
         EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_templates_editor_help_tab.template.php',
+            EE_MSG_TEMPLATE_PATH.'ee_msg_messages_templates_editor_help_tab.template.php',
             $args
         );
     }
@@ -771,7 +771,7 @@ 
         $this->_set_shortcodes();
         $args['shortcodes'] = $this->_shortcodes;
         EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_shortcodes_help_tab.template.php',
+            EE_MSG_TEMPLATE_PATH.'ee_msg_messages_shortcodes_help_tab.template.php',
             $args
         );
     }
@@ -779,16 +779,16 @@ 
 
     public function preview_message_help_tab()
     {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_preview_help_tab.template.php');
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_preview_help_tab.template.php');
     }
 
 
     public function settings_help_tab()
     {
-        $args['img1'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-active.png'
-                        . '" alt="' . esc_attr__('Active Email Tab', 'event_espresso') . '" />';
-        $args['img2'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-inactive.png'
-                        . '" alt="' . esc_attr__('Inactive Email Tab', 'event_espresso') . '" />';
+        $args['img1'] = '<img class="inline-text" src="'.EE_MSG_ASSETS_URL.'images/email-tab-active.png'
+                        . '" alt="'.esc_attr__('Active Email Tab', 'event_espresso').'" />';
+        $args['img2'] = '<img class="inline-text" src="'.EE_MSG_ASSETS_URL.'images/email-tab-inactive.png'
+                        . '" alt="'.esc_attr__('Inactive Email Tab', 'event_espresso').'" />';
         $args['img3'] = '<div class="switch">'
                         . '<input class="ee-on-off-toggle ee-toggle-round-flat"'
                         . ' type="checkbox" checked="checked">'
@@ -799,25 +799,25 @@ 
                         . ' type="checkbox">'
                         . '<label for="ee-on-off-toggle-on"></label>'
                         . '</div>';
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_settings_help_tab.template.php', $args);
+        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH.'ee_msg_messages_settings_help_tab.template.php', $args);
     }
 
 
     public function load_scripts_styles()
     {
-        wp_register_style('espresso_ee_msg', EE_MSG_ASSETS_URL . 'ee_message_admin.css', EVENT_ESPRESSO_VERSION);
+        wp_register_style('espresso_ee_msg', EE_MSG_ASSETS_URL.'ee_message_admin.css', EVENT_ESPRESSO_VERSION);
         wp_enqueue_style('espresso_ee_msg');
 
         wp_register_script(
             'ee-messages-settings',
-            EE_MSG_ASSETS_URL . 'ee-messages-settings.js',
+            EE_MSG_ASSETS_URL.'ee-messages-settings.js',
             array('jquery-ui-droppable', 'ee-serialize-full-array'),
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'ee-msg-list-table-js',
-            EE_MSG_ASSETS_URL . 'ee_message_admin_list_table.js',
+            EE_MSG_ASSETS_URL.'ee_message_admin_list_table.js',
             array('ee-dialog'),
             EVENT_ESPRESSO_VERSION
         );
@@ -875,7 +875,7 @@ 
 
         wp_register_script(
             'ee_msgs_edit_js',
-            EE_MSG_ASSETS_URL . 'ee_message_editor.js',
+            EE_MSG_ASSETS_URL.'ee_message_editor.js',
             array('jquery'),
             EVENT_ESPRESSO_VERSION
         );
@@ -919,7 +919,7 @@ 
     {
         wp_register_style(
             'ee-message-settings',
-            EE_MSG_ASSETS_URL . 'ee_message_settings.css',
+            EE_MSG_ASSETS_URL.'ee_message_settings.css',
             array(),
             EVENT_ESPRESSO_VERSION
         );
@@ -1005,7 +1005,7 @@ 
             }
             $status_bulk_actions = $common_bulk_actions;
             // unset bulk actions not applying to status
-            if (! empty($status_bulk_actions)) {
+            if ( ! empty($status_bulk_actions)) {
                 switch ($status) {
                     case EEM_Message::status_idle:
                     case EEM_Message::status_resend:
@@ -1034,7 +1034,7 @@ 
                 continue;
             }
 
-            $this->_views[ strtolower($status) ] = array(
+            $this->_views[strtolower($status)] = array(
                 'slug'        => strtolower($status),
                 'label'       => EEH_Template::pretty_status($status, false, 'sentence'),
                 'count'       => 0,
@@ -1073,7 +1073,7 @@ 
             if ($action_item === 'see_notifications_for') {
                 continue;
             }
-            $action_items[ $action_item ] = array(
+            $action_items[$action_item] = array(
                 'class' => $action_details['css_class'],
                 'desc'  => $action_details['label'],
             );
@@ -1082,37 +1082,37 @@ 
         /** @type array $status_items status legend setup */
         $status_items = array(
             'sent_status'                => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_sent,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_sent,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_sent, false, 'sentence'),
             ),
             'idle_status'                => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_idle,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_idle,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_idle, false, 'sentence'),
             ),
             'failed_status'              => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_failed,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_failed,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_failed, false, 'sentence'),
             ),
             'messenger_executing_status' => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_messenger_executing,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_messenger_executing,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_messenger_executing, false, 'sentence'),
             ),
             'resend_status'              => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_resend,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_resend,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_resend, false, 'sentence'),
             ),
             'incomplete_status'          => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_incomplete,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_incomplete,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_incomplete, false, 'sentence'),
             ),
             'retry_status'               => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_retry,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_retry,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_retry, false, 'sentence'),
             ),
         );
         if (EEM_Message::debug()) {
             $status_items['debug_only_status'] = array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_debug_only,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Message::status_debug_only,
                 'desc'  => EEH_Template::pretty_status(EEM_Message::status_debug_only, false, 'sentence'),
             );
         }
@@ -1124,11 +1124,11 @@ 
     protected function _custom_mtps_preview()
     {
         $this->_admin_page_title = esc_html__('Custom Message Templates (Preview)', 'event_espresso');
-        $this->_template_args['preview_img'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/custom_mtps_preview.png"'
-                                               . ' alt="' . esc_attr__(
+        $this->_template_args['preview_img'] = '<img src="'.EE_MSG_ASSETS_URL.'images/custom_mtps_preview.png"'
+                                               . ' alt="'.esc_attr__(
                                                    'Preview Custom Message Templates screenshot',
                                                    'event_espresso'
-                                               ) . '" />';
+                                               ).'" />';
         $this->_template_args['preview_text'] = '<strong>'
                                                 . esc_html__(
                                                     'Custom Message Templates is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Custom Message Templates feature, you are able to create custom message templates and assign them on a per-event basis.',
@@ -1208,7 +1208,7 @@ 
         $installed = array();
 
         foreach ($installed_message_types as $message_type) {
-            $installed[ $message_type->name ] = $message_type;
+            $installed[$message_type->name] = $message_type;
         }
 
         return $installed;
@@ -1348,7 +1348,7 @@ 
         // we need to assemble the title from Various details
         $context_label = sprintf(
             esc_html__('(%s %s)', 'event_espresso'),
-            $c_config[ $context ]['label'],
+            $c_config[$context]['label'],
             ucwords($c_label['label'])
         );
 
@@ -1370,7 +1370,7 @@ 
             $message_template_group->message_type()
         );
 
-        if (! $template_field_structure) {
+        if ( ! $template_field_structure) {
             $template_field_structure = false;
             $template_fields = esc_html__(
                 'There was an error in assembling the fields for this display (you should see an error message)',
@@ -1384,21 +1384,21 @@ 
 
         // if we have the extra key.. then we need to remove the content index from the template_field_structure as it
         // will get handled in the "extra" array.
-        if (is_array($template_field_structure[ $context ]) && isset($template_field_structure[ $context ]['extra'])) {
-            foreach ($template_field_structure[ $context ]['extra'] as $reference_field => $new_fields) {
-                unset($template_field_structure[ $context ][ $reference_field ]);
+        if (is_array($template_field_structure[$context]) && isset($template_field_structure[$context]['extra'])) {
+            foreach ($template_field_structure[$context]['extra'] as $reference_field => $new_fields) {
+                unset($template_field_structure[$context][$reference_field]);
             }
         }
 
         // let's loop through the template_field_structure and actually assemble the input fields!
-        if (! empty($template_field_structure)) {
-            foreach ($template_field_structure[ $context ] as $template_field => $field_setup_array) {
+        if ( ! empty($template_field_structure)) {
+            foreach ($template_field_structure[$context] as $template_field => $field_setup_array) {
                 // if this is an 'extra' template field then we need to remove any existing fields that are keyed up in
                 // the extra array and reset them.
                 if ($template_field === 'extra') {
                     $this->_template_args['is_extra_fields'] = true;
                     foreach ($field_setup_array as $reference_field => $new_fields_array) {
-                        $message_template = $message_templates[ $context ][ $reference_field ];
+                        $message_template = $message_templates[$context][$reference_field];
                         $content = $message_template instanceof EE_Message_Template
                             ? $message_template->get('MTP_content')
                             : '';
@@ -1407,7 +1407,7 @@ 
                             $continue = false;
                             if (isset($extra_array['shortcodes_required'])) {
                                 foreach ((array) $extra_array['shortcodes_required'] as $shortcode) {
-                                    if (! array_key_exists($shortcode, $this->_shortcodes)) {
+                                    if ( ! array_key_exists($shortcode, $this->_shortcodes)) {
                                         $continue = true;
                                     }
                                 }
@@ -1420,57 +1420,57 @@ 
                                         . '-'
                                         . $extra_field
                                         . '-content';
-                            $template_form_fields[ $field_id ] = $extra_array;
-                            $template_form_fields[ $field_id ]['name'] = 'MTP_template_fields['
+                            $template_form_fields[$field_id] = $extra_array;
+                            $template_form_fields[$field_id]['name'] = 'MTP_template_fields['
                                                                          . $reference_field
                                                                          . '][content]['
-                                                                         . $extra_field . ']';
+                                                                         . $extra_field.']';
                             $css_class = isset($extra_array['css_class'])
                                 ? $extra_array['css_class']
                                 : '';
 
-                            $template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
+                            $template_form_fields[$field_id]['css_class'] = ! empty($v_fields)
                                                                               && in_array($extra_field, $v_fields, true)
                                                                               &&
                                                                               (
-                                                                                  is_array($validators[ $extra_field ])
-                                                                                  && isset($validators[ $extra_field ]['msg'])
+                                                                                  is_array($validators[$extra_field])
+                                                                                  && isset($validators[$extra_field]['msg'])
                                                                               )
-                                ? 'validate-error ' . $css_class
+                                ? 'validate-error '.$css_class
                                 : $css_class;
 
-                            $template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
-                                                                          && isset($content[ $extra_field ])
-                                ? $content[ $extra_field ]
+                            $template_form_fields[$field_id]['value'] = ! empty($message_templates)
+                                                                          && isset($content[$extra_field])
+                                ? $content[$extra_field]
                                 : '';
 
                             // do we have a validation error?  if we do then let's use that value instead
-                            $template_form_fields[ $field_id ]['value'] = isset($validators[ $extra_field ])
-                                ? $validators[ $extra_field ]['value']
-                                : $template_form_fields[ $field_id ]['value'];
+                            $template_form_fields[$field_id]['value'] = isset($validators[$extra_field])
+                                ? $validators[$extra_field]['value']
+                                : $template_form_fields[$field_id]['value'];
 
 
-                            $template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
+                            $template_form_fields[$field_id]['db-col'] = 'MTP_content';
 
                             // shortcode selector
                             $field_name_to_use = $extra_field === 'main'
                                 ? 'content'
                                 : $extra_field;
-                            $template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
+                            $template_form_fields[$field_id]['append_content'] = $this->_get_shortcode_selector(
                                 $field_name_to_use,
                                 $field_id
                             );
 
                             if (isset($extra_array['input']) && $extra_array['input'] === 'wp_editor') {
                                 // we want to decode the entities
-                                $template_form_fields[ $field_id ]['value'] = $template_form_fields[ $field_id ]['value'];
+                                $template_form_fields[$field_id]['value'] = $template_form_fields[$field_id]['value'];
                             }/**/
                         }
-                        $templatefield_MTP_id = $reference_field . '-MTP_ID';
-                        $templatefield_templatename_id = $reference_field . '-name';
+                        $templatefield_MTP_id = $reference_field.'-MTP_ID';
+                        $templatefield_templatename_id = $reference_field.'-name';
 
-                        $template_form_fields[ $templatefield_MTP_id ] = array(
-                            'name'       => 'MTP_template_fields[' . $reference_field . '][MTP_ID]',
+                        $template_form_fields[$templatefield_MTP_id] = array(
+                            'name'       => 'MTP_template_fields['.$reference_field.'][MTP_ID]',
                             'label'      => null,
                             'input'      => 'hidden',
                             'type'       => 'int',
@@ -1482,8 +1482,8 @@ 
                             'db-col'     => 'MTP_ID',
                         );
 
-                        $template_form_fields[ $templatefield_templatename_id ] = array(
-                            'name'       => 'MTP_template_fields[' . $reference_field . '][name]',
+                        $template_form_fields[$templatefield_templatename_id] = array(
+                            'name'       => 'MTP_template_fields['.$reference_field.'][name]',
                             'label'      => null,
                             'input'      => 'hidden',
                             'type'       => 'string',
@@ -1497,36 +1497,36 @@ 
                     }
                     continue; // skip the next stuff, we got the necessary fields here for this dataset.
                 } else {
-                    $field_id = $template_field . '-content';
-                    $template_form_fields[ $field_id ] = $field_setup_array;
-                    $template_form_fields[ $field_id ]['name'] = 'MTP_template_fields[' . $template_field . '][content]';
-                    $message_template = isset($message_templates[ $context ][ $template_field ])
-                        ? $message_templates[ $context ][ $template_field ]
+                    $field_id = $template_field.'-content';
+                    $template_form_fields[$field_id] = $field_setup_array;
+                    $template_form_fields[$field_id]['name'] = 'MTP_template_fields['.$template_field.'][content]';
+                    $message_template = isset($message_templates[$context][$template_field])
+                        ? $message_templates[$context][$template_field]
                         : null;
-                    $template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
-                                                                  && is_array($message_templates[ $context ])
+                    $template_form_fields[$field_id]['value'] = ! empty($message_templates)
+                                                                  && is_array($message_templates[$context])
                                                                   && $message_template instanceof EE_Message_Template
                         ? $message_template->get('MTP_content')
                         : '';
 
                     // do we have a validator error for this field?  if we do then we'll use that value instead
-                    $template_form_fields[ $field_id ]['value'] = isset($validators[ $template_field ])
-                        ? $validators[ $template_field ]['value']
-                        : $template_form_fields[ $field_id ]['value'];
+                    $template_form_fields[$field_id]['value'] = isset($validators[$template_field])
+                        ? $validators[$template_field]['value']
+                        : $template_form_fields[$field_id]['value'];
 
 
-                    $template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
+                    $template_form_fields[$field_id]['db-col'] = 'MTP_content';
                     $css_class = isset($field_setup_array['css_class'])
                         ? $field_setup_array['css_class']
                         : '';
-                    $template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
+                    $template_form_fields[$field_id]['css_class'] = ! empty($v_fields)
                                                                       && in_array($template_field, $v_fields, true)
-                                                                      && isset($validators[ $template_field ]['msg'])
-                        ? 'validate-error ' . $css_class
+                                                                      && isset($validators[$template_field]['msg'])
+                        ? 'validate-error '.$css_class
                         : $css_class;
 
                     // shortcode selector
-                    $template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
+                    $template_form_fields[$field_id]['append_content'] = $this->_get_shortcode_selector(
                         $template_field,
                         $field_id
                     );
@@ -1534,12 +1534,12 @@ 
 
                 // k took care of content field(s) now let's take care of others.
 
-                $templatefield_MTP_id = $template_field . '-MTP_ID';
-                $templatefield_field_templatename_id = $template_field . '-name';
+                $templatefield_MTP_id = $template_field.'-MTP_ID';
+                $templatefield_field_templatename_id = $template_field.'-name';
 
                 // foreach template field there are actually two form fields created
-                $template_form_fields[ $templatefield_MTP_id ] = array(
-                    'name'       => 'MTP_template_fields[' . $template_field . '][MTP_ID]',
+                $template_form_fields[$templatefield_MTP_id] = array(
+                    'name'       => 'MTP_template_fields['.$template_field.'][MTP_ID]',
                     'label'      => null,
                     'input'      => 'hidden',
                     'type'       => 'int',
@@ -1551,8 +1551,8 @@ 
                     'db-col'     => 'MTP_ID',
                 );
 
-                $template_form_fields[ $templatefield_field_templatename_id ] = array(
-                    'name'       => 'MTP_template_fields[' . $template_field . '][name]',
+                $template_form_fields[$templatefield_field_templatename_id] = array(
+                    'name'       => 'MTP_template_fields['.$template_field.'][name]',
                     'label'      => null,
                     'input'      => 'hidden',
                     'type'       => 'string',
@@ -1695,10 +1695,10 @@ 
                 'value' => $GRP_ID,
             );
             $sidebar_form_fields['ee-msg-evt-nonce'] = array(
-                'name'  => $action . '_nonce',
+                'name'  => $action.'_nonce',
                 'input' => 'hidden',
                 'type'  => 'string',
-                'value' => wp_create_nonce($action . '_nonce'),
+                'value' => wp_create_nonce($action.'_nonce'),
             );
 
             if (isset($this->_req_data['template_switch']) && $this->_req_data['template_switch']) {
@@ -1739,7 +1739,7 @@ 
             ),
             $this->_admin_base_url
         );
-        $preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">'
+        $preview_button = '<a href="'.$preview_url.'" class="button-secondary messages-preview-button">'
                           . esc_html__('Preview', 'event_espresso')
                           . '</a>';
 
@@ -1777,7 +1777,7 @@ 
 
         $this->_template_path = $this->_template_args['GRP_ID']
             ? EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_edit_meta_box.template.php'
-            : EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_add_meta_box.template.php';
+            : EE_MSG_TEMPLATE_PATH.'ee_msg_details_main_add_meta_box.template.php';
 
         // send along EE_Message_Template_Group object for further template use.
         $this->_template_args['MTP'] = $message_template_group;
@@ -1832,7 +1832,7 @@ 
     ) {
         $template_args = array(
             'context'                   => $context,
-            'nonce'                     => wp_create_nonce('activate_' . $context . '_toggle_nonce'),
+            'nonce'                     => wp_create_nonce('activate_'.$context.'_toggle_nonce'),
             'is_active'                 => $message_template_group->is_context_active($context),
             'on_off_action'             => $message_template_group->is_context_active($context)
                 ? 'context-off'
@@ -1841,7 +1841,7 @@ 
             'message_template_group_id' => $message_template_group->ID(),
         );
         return EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_editor_active_context_element.template.php',
+            EE_MSG_TEMPLATE_PATH.'ee_msg_editor_active_context_element.template.php',
             $template_args,
             true
         );
@@ -1862,7 +1862,7 @@ 
     {
         $success = true;
         // check for required data
-        if (! isset(
+        if ( ! isset(
             $this->_req_data['message_template_group_id'],
             $this->_req_data['context'],
             $this->_req_data['status']
@@ -1879,7 +1879,7 @@ 
         $nonce = isset($this->_req_data['toggle_context_nonce'])
             ? sanitize_text_field($this->_req_data['toggle_context_nonce'])
             : '';
-        $nonce_ref = 'activate_' . $this->_req_data['context'] . '_toggle_nonce';
+        $nonce_ref = 'activate_'.$this->_req_data['context'].'_toggle_nonce';
         $this->_verify_nonce($nonce, $nonce_ref);
         $status = $this->_req_data['status'];
         if ($status !== 'off' && $status !== 'on') {
@@ -1897,7 +1897,7 @@ 
         $message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID(
             $this->_req_data['message_template_group_id']
         );
-        if (! $message_template_group instanceof EE_Message_Template_Group) {
+        if ( ! $message_template_group instanceof EE_Message_Template_Group) {
             EE_Error::add_error(
                 sprintf(
                     esc_html__(
@@ -2026,7 +2026,7 @@ 
         $templates = array();
         $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
         // we need to make sure we've got the info we need.
-        if (! isset($this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'])) {
+        if ( ! isset($this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'])) {
             EE_Error::add_error(
                 esc_html__(
                     'In order to reset the template to its default we require the messenger, message type, and message template GRP_ID to know what is being reset.  At least one of these is missing.',
@@ -2068,7 +2068,7 @@ 
         }
 
         // any error messages?
-        if (! $success) {
+        if ( ! $success) {
             EE_Error::add_error(
                 esc_html__(
                     'Something went wrong with deleting existing templates. Unable to reset to default',
@@ -2168,7 +2168,7 @@ 
         $preview_title = sprintf(
             esc_html__('Viewing Preview for %s %s Message Template', 'event_espresso'),
             $active_messenger_label,
-            ucwords($message_types[ $message_type ]->label['singular'])
+            ucwords($message_types[$message_type]->label['singular'])
         );
         if (empty($preview)) {
             $this->noEventsErrorMessage();
@@ -2176,7 +2176,7 @@ 
         // setup display of preview.
         $this->_admin_page_title = $preview_title;
         $this->_template_args['admin_page_title'] = $preview_title;
-        $this->_template_args['admin_page_content'] = $preview_button . '<br />' . $preview;
+        $this->_template_args['admin_page_content'] = $preview_button.'<br />'.$preview;
         $this->_template_args['data']['force_json'] = true;
 
         return '';
@@ -2289,10 +2289,10 @@ 
         foreach ($tp_collection as $tp) {
             // only include template packs that support this messenger and message type!
             $supports = $tp->get_supports();
-            if (! isset($supports[ $this->_message_template_group->messenger() ])
+            if ( ! isset($supports[$this->_message_template_group->messenger()])
                 || ! in_array(
                     $this->_message_template_group->message_type(),
-                    $supports[ $this->_message_template_group->messenger() ],
+                    $supports[$this->_message_template_group->messenger()],
                     true
                 )
             ) {
@@ -2345,7 +2345,7 @@ 
         $template_args['template_pack_description'] = $template_pack_labels->template_pack_description;
         $template_args['template_variation_description'] = $template_pack_labels->template_variation_description;
 
-        $template = EE_MSG_TEMPLATE_PATH . 'template_pack_and_variations_metabox.template.php';
+        $template = EE_MSG_TEMPLATE_PATH.'template_pack_and_variations_metabox.template.php';
 
         EEH_Template::display_template($template, $template_args);
     }
@@ -2371,10 +2371,10 @@ 
         // first we need to see if there are any fields
         $fields = $this->_message_template_group->messenger_obj()->get_test_settings_fields();
 
-        if (! empty($fields)) {
+        if ( ! empty($fields)) {
             // yup there be fields
             foreach ($fields as $field => $config) {
-                $field_id = $this->_message_template_group->messenger() . '_' . $field;
+                $field_id = $this->_message_template_group->messenger().'_'.$field;
                 $existing = $this->_message_template_group->messenger_obj()->get_existing_test_settings();
                 $default = isset($config['default']) ? $config['default'] : '';
                 $default = isset($config['value']) ? $config['value'] : $default;
@@ -2382,22 +2382,22 @@ 
                 // if type is hidden and the value is empty
                 // something may have gone wrong so let's correct with the defaults
                 $fix = $config['input'] === 'hidden'
-                       && isset($existing[ $field ])
-                       && empty($existing[ $field ])
+                       && isset($existing[$field])
+                       && empty($existing[$field])
                     ? $default
                     : '';
-                $existing[ $field ] = isset($existing[ $field ]) && empty($fix)
-                    ? $existing[ $field ]
+                $existing[$field] = isset($existing[$field]) && empty($fix)
+                    ? $existing[$field]
                     : $fix;
 
-                $template_form_fields[ $field_id ] = array(
-                    'name'       => 'test_settings_fld[' . $field . ']',
+                $template_form_fields[$field_id] = array(
+                    'name'       => 'test_settings_fld['.$field.']',
                     'label'      => $config['label'],
                     'input'      => $config['input'],
                     'type'       => $config['type'],
                     'required'   => $config['required'],
                     'validation' => $config['validation'],
-                    'value'      => isset($existing[ $field ]) ? $existing[ $field ] : $default,
+                    'value'      => isset($existing[$field]) ? $existing[$field] : $default,
                     'css_class'  => $config['css_class'],
                     'options'    => isset($config['options']) ? $config['options'] : array(),
                     'default'    => $default,
@@ -2412,7 +2412,7 @@ 
 
         $test_settings_html = '';
         // print out $test_settings_fields
-        if (! empty($test_settings_fields)) {
+        if ( ! empty($test_settings_fields)) {
             echo $test_settings_fields;
             $test_settings_html = '<input type="submit" class="button-primary mtp-test-button alignright" ';
             $test_settings_html .= 'name="test_button" value="';
@@ -2459,7 +2459,7 @@ 
         );
 
         return EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'shortcode_selector_skeleton.template.php',
+            EE_MSG_TEMPLATE_PATH.'shortcode_selector_skeleton.template.php',
             $template_args,
             true
         );
@@ -2484,7 +2484,7 @@ 
         // $messenger = $this->_message_template_group->messenger_obj();
         // now let's set the content depending on the status of the shortcodes array
         if (empty($shortcodes)) {
-            $content = '<p>' . esc_html__('There are no valid shortcodes available', 'event_espresso') . '</p>';
+            $content = '<p>'.esc_html__('There are no valid shortcodes available', 'event_espresso').'</p>';
             echo $content;
         } else {
             // $alt = 0;
@@ -2522,7 +2522,7 @@ 
     {
 
         // no need to run this if the property is already set
-        if (! empty($this->_shortcodes)) {
+        if ( ! empty($this->_shortcodes)) {
             return;
         }
 
@@ -2576,7 +2576,7 @@ 
     protected function _set_message_template_group()
     {
 
-        if (! empty($this->_message_template_group)) {
+        if ( ! empty($this->_message_template_group)) {
             return;
         } //get out if this is already set.
 
@@ -2623,7 +2623,7 @@ 
                     <?php
                 }
                 // setup nonce_url
-                wp_nonce_field($args['action'] . '_nonce', $args['action'] . '_nonce', false);
+                wp_nonce_field($args['action'].'_nonce', $args['action'].'_nonce', false);
                 ?>
                 <select name="context">
                     <?php
@@ -2633,7 +2633,7 @@ 
                             $checked = ($context === $args['context']) ? 'selected="selected"' : '';
                             ?>
                             <option value="<?php echo $context; ?>" <?php echo $checked; ?>>
-                                <?php echo $context_details[ $context ]['label']; ?>
+                                <?php echo $context_details[$context]['label']; ?>
                             </option>
                         <?php endforeach;
                     endif; ?>
@@ -2663,22 +2663,22 @@ 
      */
     protected function _set_message_template_column_values($index)
     {
-        if (is_array($this->_req_data['MTP_template_fields'][ $index ]['content'])) {
-            foreach ($this->_req_data['MTP_template_fields'][ $index ]['content'] as $field => $value) {
-                $this->_req_data['MTP_template_fields'][ $index ]['content'][ $field ] = $value;
+        if (is_array($this->_req_data['MTP_template_fields'][$index]['content'])) {
+            foreach ($this->_req_data['MTP_template_fields'][$index]['content'] as $field => $value) {
+                $this->_req_data['MTP_template_fields'][$index]['content'][$field] = $value;
             }
         }
 
 
         $set_column_values = array(
-            'MTP_ID'             => absint($this->_req_data['MTP_template_fields'][ $index ]['MTP_ID']),
+            'MTP_ID'             => absint($this->_req_data['MTP_template_fields'][$index]['MTP_ID']),
             'GRP_ID'             => absint($this->_req_data['GRP_ID']),
             'MTP_user_id'        => absint($this->_req_data['MTP_user_id']),
             'MTP_messenger'      => strtolower($this->_req_data['MTP_messenger']),
             'MTP_message_type'   => strtolower($this->_req_data['MTP_message_type']),
-            'MTP_template_field' => strtolower($this->_req_data['MTP_template_fields'][ $index ]['name']),
+            'MTP_template_field' => strtolower($this->_req_data['MTP_template_fields'][$index]['name']),
             'MTP_context'        => strtolower($this->_req_data['MTP_context']),
-            'MTP_content'        => $this->_req_data['MTP_template_fields'][ $index ]['content'],
+            'MTP_content'        => $this->_req_data['MTP_template_fields'][$index]['content'],
             'MTP_is_global'      => isset($this->_req_data['MTP_is_global'])
                 ? absint($this->_req_data['MTP_is_global'])
                 : 0,
@@ -2725,7 +2725,7 @@ 
         $context = ucwords(str_replace('_', ' ', $context_slug));
 
         $item_desc = $messenger_label && $message_type_label
-            ? $messenger_label . ' ' . $message_type_label . ' ' . $context . ' '
+            ? $messenger_label.' '.$message_type_label.' '.$context.' '
             : '';
         $item_desc .= 'Message Template';
         $query_args = array();
@@ -2756,7 +2756,7 @@ 
 
 
             // run update for each template field in displayed context
-            if (! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
+            if ( ! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
                 EE_Error::add_error(
                     esc_html__(
                         'There was a problem saving the template fields from the form because I didn\'t receive any actual template field data.',
@@ -2818,10 +2818,10 @@ 
                         $set_column_values = $this->_set_message_template_column_values($template_field);
 
                         $where_cols_n_values = array(
-                            'MTP_ID' => $this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'],
+                            'MTP_ID' => $this->_req_data['MTP_template_fields'][$template_field]['MTP_ID'],
                         );
                         // if they aren't allowed to use all JS, restrict them to just posty-y tags
-                        if (! current_user_can('unfiltered_html')) {
+                        if ( ! current_user_can('unfiltered_html')) {
                             if (is_array($set_column_values['MTP_content'])) {
                                 foreach ($set_column_values['MTP_content'] as $key => $value) {
                                     // remove slashes so wp_kses works properly (its wp_kses_stripslashes() function
@@ -2829,7 +2829,7 @@ 
                                     // appear invalid.) But currently the models expect slashed data, so after wp_kses
                                     // runs we need to re-slash the data. Sheesh. See
                                     // https://events.codebasehq.com/projects/event-espresso/tickets/11211#update-47321587
-                                    $set_column_values['MTP_content'][ $key ] = addslashes(
+                                    $set_column_values['MTP_content'][$key] = addslashes(
                                         wp_kses(
                                             stripslashes($value),
                                             wp_kses_allowed_html('post')
@@ -2865,14 +2865,14 @@ 
                             }
                         } else {
                             // only do this logic if we don't have a MTP_ID for this field
-                            if (empty($this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'])) {
+                            if (empty($this->_req_data['MTP_template_fields'][$template_field]['MTP_ID'])) {
                                 // this has already been through the template field validator and sanitized, so it will be
                                 // safe to insert this field.  Why insert?  This typically happens when we introduce a new
                                 // message template field in a messenger/message type and existing users don't have the
                                 // default setup for it.
                                 // @link https://events.codebasehq.com/projects/event-espresso/tickets/9465
                                 $updated = $MTP->insert($message_template_fields);
-                                if (! $updated || is_wp_error($updated)) {
+                                if ( ! $updated || is_wp_error($updated)) {
                                     EE_Error::add_error(
                                         sprintf(
                                             esc_html__('%s field could not be updated.', 'event_espresso'),
@@ -3103,7 +3103,7 @@ 
         // incoming GRP_IDs
         if ($all) {
             // Checkboxes
-            if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+            if ( ! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
                 // if array has more than one element then success message should be plural.
                 // todo: what about nonce?
                 $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
@@ -3111,16 +3111,16 @@ 
                 // cycle through checkboxes
                 while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
                     $trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
-                    if (! $trashed_or_restored) {
+                    if ( ! $trashed_or_restored) {
                         $success = 0;
                     }
                 }
             } else {
                 // grab single GRP_ID and handle
                 $GRP_ID = isset($this->_req_data['id']) ? absint($this->_req_data['id']) : 0;
-                if (! empty($GRP_ID)) {
+                if ( ! empty($GRP_ID)) {
                     $trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
-                    if (! $trashed_or_restored) {
+                    if ( ! $trashed_or_restored) {
                         $success = 0;
                     }
                 } else {
@@ -3168,7 +3168,7 @@ 
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
 
         // checkboxes
-        if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+        if ( ! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
             // if array has more than one element then success message should be plural
             $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
 
@@ -3275,7 +3275,7 @@ 
     protected function _set_m_mt_settings()
     {
         // first if this is already set then lets get out no need to regenerate data.
-        if (! empty($this->_m_mt_settings)) {
+        if ( ! empty($this->_m_mt_settings)) {
             return;
         }
 
@@ -3289,7 +3289,7 @@ 
         // assemble the array for the _tab_text_links helper
 
         foreach ($messengers as $messenger) {
-            $this->_m_mt_settings['messenger_tabs'][ $messenger->name ] = array(
+            $this->_m_mt_settings['messenger_tabs'][$messenger->name] = array(
                 'label' => ucwords($messenger->label['singular']),
                 'class' => $this->_message_resource_manager->is_messenger_active($messenger->name)
                     ? 'messenger-active'
@@ -3306,7 +3306,7 @@ 
             foreach ($message_types as $message_type) {
                 // first we need to verify that this message type is valid with this messenger. Cause if it isn't then
                 // it shouldn't show in either the inactive OR active metabox.
-                if (! in_array($message_type->name, $message_types_for_messenger, true)) {
+                if ( ! in_array($message_type->name, $message_types_for_messenger, true)) {
                     continue;
                 }
 
@@ -3317,12 +3317,12 @@ 
                     ? 'active'
                     : 'inactive';
 
-                $this->_m_mt_settings['message_type_tabs'][ $messenger->name ][ $a_or_i ][ $message_type->name ] = array(
+                $this->_m_mt_settings['message_type_tabs'][$messenger->name][$a_or_i][$message_type->name] = array(
                     'label'    => ucwords($message_type->label['singular']),
-                    'class'    => 'message-type-' . $a_or_i,
-                    'slug_id'  => $message_type->name . '-messagetype-' . $messenger->name,
-                    'mt_nonce' => wp_create_nonce($message_type->name . '_nonce'),
-                    'href'     => 'espresso_' . $message_type->name . '_message_type_settings',
+                    'class'    => 'message-type-'.$a_or_i,
+                    'slug_id'  => $message_type->name.'-messagetype-'.$messenger->name,
+                    'mt_nonce' => wp_create_nonce($message_type->name.'_nonce'),
+                    'href'     => 'espresso_'.$message_type->name.'_message_type_settings',
                     'title'    => $a_or_i === 'active'
                         ? esc_html__('Drag this message type to the Inactive window to deactivate', 'event_espresso')
                         : esc_html__('Drag this message type to the messenger to activate', 'event_espresso'),
@@ -3353,25 +3353,25 @@ 
         $fields = $message_type->get_admin_settings_fields();
         $settings_template_args['template_form_fields'] = '';
 
-        if (! empty($fields) && $active) {
+        if ( ! empty($fields) && $active) {
             $existing_settings = $message_type->get_existing_admin_settings($messenger->name);
             foreach ($fields as $fldname => $fldprops) {
-                $field_id = $messenger->name . '-' . $message_type->name . '-' . $fldname;
-                $template_form_field[ $field_id ] = array(
-                    'name'       => 'message_type_settings[' . $fldname . ']',
+                $field_id = $messenger->name.'-'.$message_type->name.'-'.$fldname;
+                $template_form_field[$field_id] = array(
+                    'name'       => 'message_type_settings['.$fldname.']',
                     'label'      => $fldprops['label'],
                     'input'      => $fldprops['field_type'],
                     'type'       => $fldprops['value_type'],
                     'required'   => $fldprops['required'],
                     'validation' => $fldprops['validation'],
-                    'value'      => isset($existing_settings[ $fldname ])
-                        ? $existing_settings[ $fldname ]
+                    'value'      => isset($existing_settings[$fldname])
+                        ? $existing_settings[$fldname]
                         : $fldprops['default'],
                     'options'    => isset($fldprops['options'])
                         ? $fldprops['options']
                         : array(),
-                    'default'    => isset($existing_settings[ $fldname ])
-                        ? $existing_settings[ $fldname ]
+                    'default'    => isset($existing_settings[$fldname])
+                        ? $existing_settings[$fldname]
                         : $fldprops['default'],
                     'css_class'  => 'no-drag',
                     'format'     => $fldprops['format'],
@@ -3414,7 +3414,7 @@ 
             : '';
 
 
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_mt_settings_content.template.php';
+        $template = EE_MSG_TEMPLATE_PATH.'ee_msg_mt_settings_content.template.php';
         $content = EEH_Template::display_template($template, $settings_template_args, true);
 
         return $content;
@@ -3445,20 +3445,20 @@ 
                 // messenger meta boxes
                 $active = $selected_messenger === $messenger;
                 $active_mt_tabs = isset(
-                    $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
+                    $this->_m_mt_settings['message_type_tabs'][$messenger]['active']
                 )
-                    ? $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
+                    ? $this->_m_mt_settings['message_type_tabs'][$messenger]['active']
                     : '';
-                $m_boxes[ $messenger . '_a_box' ] = sprintf(
+                $m_boxes[$messenger.'_a_box'] = sprintf(
                     esc_html__('%s Settings', 'event_espresso'),
                     $tab_array['label']
                 );
-                $m_template_args[ $messenger . '_a_box' ] = array(
+                $m_template_args[$messenger.'_a_box'] = array(
                     'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
                     'inactive_message_types' => isset(
-                        $this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
+                        $this->_m_mt_settings['message_type_tabs'][$messenger]['inactive']
                     )
-                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
+                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][$messenger]['inactive'])
                         : '',
                     'content'                => $this->_get_messenger_box_content($tab_array['obj']),
                     'hidden'                 => $active ? '' : ' hidden',
@@ -3469,13 +3469,13 @@ 
                 // message type meta boxes
                 // (which is really just the inactive container for each messenger
                 // showing inactive message types for that messenger)
-                $mt_boxes[ $messenger . '_i_box' ] = esc_html__('Inactive Message Types', 'event_espresso');
-                $mt_template_args[ $messenger . '_i_box' ] = array(
+                $mt_boxes[$messenger.'_i_box'] = esc_html__('Inactive Message Types', 'event_espresso');
+                $mt_template_args[$messenger.'_i_box'] = array(
                     'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
                     'inactive_message_types' => isset(
-                        $this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
+                        $this->_m_mt_settings['message_type_tabs'][$messenger]['inactive']
                     )
-                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
+                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][$messenger]['inactive'])
                         : '',
                     'hidden'                 => $active ? '' : ' hidden',
                     'hide_on_message'        => $hide_on_message,
@@ -3488,14 +3488,14 @@ 
 
 
         // register messenger metaboxes
-        $m_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_mt_meta_box.template.php';
+        $m_template_path = EE_MSG_TEMPLATE_PATH.'ee_msg_details_messenger_mt_meta_box.template.php';
         foreach ($m_boxes as $box => $label) {
-            $callback_args = array('template_path' => $m_template_path, 'template_args' => $m_template_args[ $box ]);
+            $callback_args = array('template_path' => $m_template_path, 'template_args' => $m_template_args[$box]);
             $msgr = str_replace('_a_box', '', $box);
             add_meta_box(
-                'espresso_' . $msgr . '_settings',
+                'espresso_'.$msgr.'_settings',
                 $label,
-                function ($post, $metabox) {
+                function($post, $metabox) {
                     echo EEH_Template::display_template(
                         $metabox["args"]["template_path"],
                         $metabox["args"]["template_args"],
@@ -3510,17 +3510,17 @@ 
         }
 
         // register message type metaboxes
-        $mt_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_meta_box.template.php';
+        $mt_template_path = EE_MSG_TEMPLATE_PATH.'ee_msg_details_messenger_meta_box.template.php';
         foreach ($mt_boxes as $box => $label) {
             $callback_args = array(
                 'template_path' => $mt_template_path,
-                'template_args' => $mt_template_args[ $box ],
+                'template_args' => $mt_template_args[$box],
             );
             $mt = str_replace('_i_box', '', $box);
             add_meta_box(
-                'espresso_' . $mt . '_inactive_mts',
+                'espresso_'.$mt.'_inactive_mts',
                 $label,
-                function ($post, $metabox) {
+                function($post, $metabox) {
                     echo EEH_Template::display_template(
                         $metabox["args"]["template_path"],
                         $metabox["args"]["template_args"],
@@ -3666,7 +3666,7 @@ 
             if ($form->is_valid()) {
                 $valid_data = $form->valid_data();
                 foreach ($valid_data as $property => $value) {
-                    $setter = 'set_' . $property;
+                    $setter = 'set_'.$property;
                     if (method_exists($network_config, $setter)) {
                         $network_config->{$setter}($value);
                     } elseif (property_exists($network_config, $property)
@@ -3700,7 +3700,7 @@ 
     protected function _get_mt_tabs($tab_array)
     {
         $tab_array = (array) $tab_array;
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_mt_settings_tab_item.template.php';
+        $template = EE_MSG_TEMPLATE_PATH.'ee_msg_details_mt_settings_tab_item.template.php';
         $tabs = '';
 
         foreach ($tab_array as $tab) {
@@ -3728,20 +3728,20 @@ 
         $settings_template_args['active'] = $this->_message_resource_manager->is_messenger_active($messenger->name);
 
 
-        if (! empty($fields)) {
+        if ( ! empty($fields)) {
             $existing_settings = $messenger->get_existing_admin_settings();
 
             foreach ($fields as $fldname => $fldprops) {
-                $field_id = $messenger->name . '-' . $fldname;
-                $template_form_field[ $field_id ] = array(
-                    'name'       => 'messenger_settings[' . $field_id . ']',
+                $field_id = $messenger->name.'-'.$fldname;
+                $template_form_field[$field_id] = array(
+                    'name'       => 'messenger_settings['.$field_id.']',
                     'label'      => $fldprops['label'],
                     'input'      => $fldprops['field_type'],
                     'type'       => $fldprops['value_type'],
                     'required'   => $fldprops['required'],
                     'validation' => $fldprops['validation'],
-                    'value'      => isset($existing_settings[ $field_id ])
-                        ? $existing_settings[ $field_id ]
+                    'value'      => isset($existing_settings[$field_id])
+                        ? $existing_settings[$field_id]
                         : $fldprops['default'],
                     'css_class'  => '',
                     'format'     => $fldprops['format'],
@@ -3767,9 +3767,9 @@ 
         );
 
         // make sure any active message types that are existing are included in the hidden fields
-        if (isset($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'])) {
-            foreach ($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'] as $mt => $values) {
-                $settings_template_args['hidden_fields'][ 'messenger_settings[message_types][' . $mt . ']' ] = array(
+        if (isset($this->_m_mt_settings['message_type_tabs'][$messenger->name]['active'])) {
+            foreach ($this->_m_mt_settings['message_type_tabs'][$messenger->name]['active'] as $mt => $values) {
+                $settings_template_args['hidden_fields']['messenger_settings[message_types]['.$mt.']'] = array(
                     'type'  => 'hidden',
                     'value' => $mt,
                 );
@@ -3798,9 +3798,9 @@ 
 
 
         $settings_template_args['on_off_action'] = $active ? 'messenger-off' : 'messenger-on';
-        $settings_template_args['nonce'] = wp_create_nonce('activate_' . $messenger->name . '_toggle_nonce');
+        $settings_template_args['nonce'] = wp_create_nonce('activate_'.$messenger->name.'_toggle_nonce');
         $settings_template_args['on_off_status'] = $active ? true : false;
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_m_settings_content.template.php';
+        $template = EE_MSG_TEMPLATE_PATH.'ee_msg_m_settings_content.template.php';
         $content = EEH_Template::display_template(
             $template,
             $settings_template_args,
@@ -3826,7 +3826,7 @@ 
         $success = true;
         $this->_prep_default_response_for_messenger_or_message_type_toggle();
         // let's check that we have required data
-        if (! isset($this->_req_data['messenger'])) {
+        if ( ! isset($this->_req_data['messenger'])) {
             EE_Error::add_error(
                 esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
                 __FILE__,
@@ -3840,12 +3840,12 @@ 
         $nonce = isset($this->_req_data['activate_nonce'])
             ? sanitize_text_field($this->_req_data['activate_nonce'])
             : '';
-        $nonce_ref = 'activate_' . $this->_req_data['messenger'] . '_toggle_nonce';
+        $nonce_ref = 'activate_'.$this->_req_data['messenger'].'_toggle_nonce';
 
         $this->_verify_nonce($nonce, $nonce_ref);
 
 
-        if (! isset($this->_req_data['status'])) {
+        if ( ! isset($this->_req_data['status'])) {
             EE_Error::add_error(
                 esc_html__(
                     'Messenger status needed to know whether activation or deactivation is happening. No status is given',
@@ -3904,7 +3904,7 @@ 
         $this->_prep_default_response_for_messenger_or_message_type_toggle();
 
         // let's make sure we have the necessary data
-        if (! isset($this->_req_data['message_type'])) {
+        if ( ! isset($this->_req_data['message_type'])) {
             EE_Error::add_error(
                 esc_html__('Message Type name needed to toggle activation. None given', 'event_espresso'),
                 __FILE__,
@@ -3914,7 +3914,7 @@ 
             $success = false;
         }
 
-        if (! isset($this->_req_data['messenger'])) {
+        if ( ! isset($this->_req_data['messenger'])) {
             EE_Error::add_error(
                 esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
                 __FILE__,
@@ -3924,7 +3924,7 @@ 
             $success = false;
         }
 
-        if (! isset($this->_req_data['status'])) {
+        if ( ! isset($this->_req_data['status'])) {
             EE_Error::add_error(
                 esc_html__(
                     'Messenger status needed to know whether activation or deactivation is happening. No status is given',
@@ -3957,7 +3957,7 @@ 
 
         // do a nonce check here since we're not arriving via a normal route
         $nonce = isset($this->_req_data['mt_nonce']) ? sanitize_text_field($this->_req_data['mt_nonce']) : '';
-        $nonce_ref = $this->_req_data['message_type'] . '_nonce';
+        $nonce_ref = $this->_req_data['message_type'].'_nonce';
 
         $this->_verify_nonce($nonce, $nonce_ref);
 
@@ -4144,7 +4144,7 @@ 
         EE_Message_Type $message_type = null
     ) {
         // if $messenger isn't a valid messenger object then get out.
-        if (! $messenger instanceof EE_Messenger) {
+        if ( ! $messenger instanceof EE_Messenger) {
             EE_Error::add_error(
                 esc_html__('The messenger being activated is not a valid messenger', 'event_espresso'),
                 __FILE__,
@@ -4199,7 +4199,7 @@ 
             // message types after the activation process.  However its possible some messengers don't HAVE any default_message_types
             // in which case we just give a success message for the messenger being successfully activated.
         } else {
-            if (! $messenger->get_default_message_types()) {
+            if ( ! $messenger->get_default_message_types()) {
                 // messenger doesn't have any default message types so still a success.
                 EE_Error::add_success(
                     sprintf(
@@ -4255,7 +4255,7 @@ 
         EE_Error::overwrite_success();
 
         // if $messenger isn't a valid messenger object then get out.
-        if (! $messenger instanceof EE_Messenger) {
+        if ( ! $messenger instanceof EE_Messenger) {
             EE_Error::add_error(
                 esc_html__('The messenger being deactivated is not a valid messenger', 'event_espresso'),
                 __FILE__,
@@ -4317,7 +4317,7 @@ 
      */
     public function update_mt_form()
     {
-        if (! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
+        if ( ! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
             EE_Error::add_error(
                 esc_html__('Require message type or messenger to send an updated form', 'event_espresso'),
                 __FILE__,
@@ -4329,7 +4329,7 @@ 
 
         $message_types = $this->get_installed_message_types();
 
-        $message_type = $message_types[ $this->_req_data['message_type'] ];
+        $message_type = $message_types[$this->_req_data['message_type']];
         $messenger = $this->_message_resource_manager->get_active_messenger($this->_req_data['messenger']);
 
         $content = $this->_message_type_settings_content(
@@ -4349,7 +4349,7 @@ 
      */
     public function save_settings()
     {
-        if (! isset($this->_req_data['type'])) {
+        if ( ! isset($this->_req_data['type'])) {
             EE_Error::add_error(
                 esc_html__(
                     'Cannot save settings because type is unknown (messenger settings or messsage type settings?)',
@@ -4378,7 +4378,7 @@ 
                         unset($settings['message_types']);
                         break;
                     default:
-                        $settings[ $key ] = $value;
+                        $settings[$key] = $value;
                         break;
                 }
             }
@@ -4397,7 +4397,7 @@ 
                         unset($settings['message_type']);
                         break;
                     default:
-                        $settings[ $key ] = $value;
+                        $settings[$key] = $value;
                         break;
                 }
             }
@@ -4558,7 +4558,7 @@ 
      */
     protected function _get_msg_ids_from_request()
     {
-        if (! isset($this->_req_data['MSG_ID'])) {
+        if ( ! isset($this->_req_data['MSG_ID'])) {
             return array();
         }
 

admin_pages/registrations/Registrations_Admin_Page.core.php

Indentation +3712 added lines, -3712 removed lines

@@ -19,2230 +19,2230 @@ 
 class Registrations_Admin_Page extends EE_Admin_Page_CPT
 {
 
-    /**
-     * @var EE_Registration
-     */
-    private $_registration;
-
-    /**
-     * @var EE_Event
-     */
-    private $_reg_event;
-
-    /**
-     * @var EE_Session
-     */
-    private $_session;
-
-    private static $_reg_status;
-
-    /**
-     * Form for displaying the custom questions for this registration.
-     * This gets used a few times throughout the request so its best to cache it
-     *
-     * @var EE_Registration_Custom_Questions_Form
-     */
-    protected $_reg_custom_questions_form = null;
-
-    /**
-     * @var EEM_Registration $registration_model
-     */
-    private $registration_model;
-
-    /**
-     * @var EEM_Attendee $attendee_model
-     */
-    private $attendee_model;
-
-    /**
-     * @var EEM_Event $event_model
-     */
-    private $event_model;
-
-    /**
-     * @var EEM_Status $status_model
-     */
-    private $status_model;
-
-
-    /**
-     * @param bool $routing
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function __construct($routing = true)
-    {
-        parent::__construct($routing);
-        add_action('wp_loaded', array($this, 'wp_loaded'));
-    }
-
-    /**
-     * @return EEM_Registration
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.10.2.p
-     */
-    protected function getRegistrationModel()
-    {
-        if (! $this->registration_model instanceof EEM_Registration) {
-            $this->registration_model = $this->getLoader()->getShared('EEM_Registration');
-        }
-        return $this->registration_model;
-    }
-
-    /**
-     * @return EEM_Attendee
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.10.2.p
-     */
-    protected function getAttendeeModel()
-    {
-        if (! $this->attendee_model instanceof EEM_Attendee) {
-            $this->attendee_model = $this->getLoader()->getShared('EEM_Attendee');
-        }
-        return $this->attendee_model;
-    }
-
-
-    /**
-     * @return EEM_Event
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.10.2.p
-     */
-    protected function getEventModel()
-    {
-        if (! $this->event_model instanceof EEM_Event) {
-            $this->event_model = $this->getLoader()->getShared('EEM_Event');
-        }
-        return $this->event_model;
-    }
-
-    /**
-     * @return EEM_Status
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.10.2.p
-     */
-    protected function getStatusModel()
-    {
-        if (! $this->status_model instanceof EEM_Status) {
-            $this->status_model = $this->getLoader()->getShared('EEM_Status');
-        }
-        return $this->status_model;
-    }
-
-
-    public function wp_loaded()
-    {
-        // when adding a new registration...
-        if (isset($this->_req_data['action']) && $this->_req_data['action'] === 'new_registration') {
-            EE_System::do_not_cache();
-            if (! isset($this->_req_data['processing_registration'])
-                || absint($this->_req_data['processing_registration']) !== 1
-            ) {
-                // and it's NOT the attendee information reg step
-                // force cookie expiration by setting time to last week
-                setcookie('ee_registration_added', 0, time() - WEEK_IN_SECONDS, '/');
-                // and update the global
-                $_COOKIE['ee_registration_added'] = 0;
-            }
-        }
-    }
-
-
-    protected function _init_page_props()
-    {
-        $this->page_slug = REG_PG_SLUG;
-        $this->_admin_base_url = REG_ADMIN_URL;
-        $this->_admin_base_path = REG_ADMIN;
-        $this->page_label = esc_html__('Registrations', 'event_espresso');
-        $this->_cpt_routes = array(
-            'add_new_attendee' => 'espresso_attendees',
-            'edit_attendee'    => 'espresso_attendees',
-            'insert_attendee'  => 'espresso_attendees',
-            'update_attendee'  => 'espresso_attendees',
-        );
-        $this->_cpt_model_names = array(
-            'add_new_attendee' => 'EEM_Attendee',
-            'edit_attendee'    => 'EEM_Attendee',
-        );
-        $this->_cpt_edit_routes = array(
-            'espresso_attendees' => 'edit_attendee',
-        );
-        $this->_pagenow_map = array(
-            'add_new_attendee' => 'post-new.php',
-            'edit_attendee'    => 'post.php',
-            'trash'            => 'post.php',
-        );
-        add_action('edit_form_after_title', array($this, 'after_title_form_fields'), 10);
-        // add filters so that the comment urls don't take users to a confusing 404 page
-        add_filter('get_comment_link', array($this, 'clear_comment_link'), 10, 3);
-    }
-
-
-    public function clear_comment_link($link, $comment, $args)
-    {
-        // gotta make sure this only happens on this route
-        $post_type = get_post_type($comment->comment_post_ID);
-        if ($post_type === 'espresso_attendees') {
-            return '#commentsdiv';
-        }
-        return $link;
-    }
-
-
-    protected function _ajax_hooks()
-    {
-        // todo: all hooks for registrations ajax goes in here
-        add_action('wp_ajax_toggle_checkin_status', array($this, 'toggle_checkin_status'));
-    }
-
-
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = $this->page_label;
-        $this->_labels = array(
-            'buttons'                      => array(
-                'add-registrant'      => esc_html__('Add New Registration', 'event_espresso'),
-                'add-attendee'        => esc_html__('Add Contact', 'event_espresso'),
-                'edit'                => esc_html__('Edit Contact', 'event_espresso'),
-                'report'              => esc_html__('Event Registrations CSV Report', 'event_espresso'),
-                'report_all'          => esc_html__('All Registrations CSV Report', 'event_espresso'),
-                'report_filtered'     => esc_html__('Filtered CSV Report', 'event_espresso'),
-                'contact_list_report' => esc_html__('Contact List Report', 'event_espresso'),
-                'contact_list_export' => esc_html__('Export Data', 'event_espresso'),
-            ),
-            'publishbox'                   => array(
-                'add_new_attendee' => esc_html__('Add Contact Record', 'event_espresso'),
-                'edit_attendee'    => esc_html__('Update Contact Record', 'event_espresso'),
-            ),
-            'hide_add_button_on_cpt_route' => array(
-                'edit_attendee' => true,
-            ),
-        );
-    }
-
-
-    /**
-     *        grab url requests and route them
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    public function _set_page_routes()
-    {
-        $this->_get_registration_status_array();
-        $reg_id = ! empty($this->_req_data['_REG_ID']) && ! is_array($this->_req_data['_REG_ID'])
-            ? $this->_req_data['_REG_ID'] : 0;
-        $reg_id = empty($reg_id) && ! empty($this->_req_data['reg_status_change_form']['REG_ID'])
-            ? $this->_req_data['reg_status_change_form']['REG_ID']
-            : $reg_id;
-        $att_id = ! empty($this->_req_data['ATT_ID']) && ! is_array($this->_req_data['ATT_ID'])
-            ? $this->_req_data['ATT_ID'] : 0;
-        $att_id = ! empty($this->_req_data['post']) && ! is_array($this->_req_data['post'])
-            ? $this->_req_data['post']
-            : $att_id;
-        $this->_page_routes = array(
-            'default'                             => array(
-                'func'       => '_registrations_overview_list_table',
-                'capability' => 'ee_read_registrations',
-            ),
-            'view_registration'                   => array(
-                'func'       => '_registration_details',
-                'capability' => 'ee_read_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'edit_registration'                   => array(
-                'func'               => '_update_attendee_registration_form',
-                'noheader'           => true,
-                'headers_sent_route' => 'view_registration',
-                'capability'         => 'ee_edit_registration',
-                'obj_id'             => $reg_id,
-                '_REG_ID'            => $reg_id,
-            ),
-            'trash_registrations'                 => array(
-                'func'       => '_trash_or_restore_registrations',
-                'args'       => array('trash' => true),
-                'noheader'   => true,
-                'capability' => 'ee_delete_registrations',
-            ),
-            'restore_registrations'               => array(
-                'func'       => '_trash_or_restore_registrations',
-                'args'       => array('trash' => false),
-                'noheader'   => true,
-                'capability' => 'ee_delete_registrations',
-            ),
-            'delete_registrations'                => array(
-                'func'       => '_delete_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_delete_registrations',
-            ),
-            'new_registration'                    => array(
-                'func'       => 'new_registration',
-                'capability' => 'ee_edit_registrations',
-            ),
-            'process_reg_step'                    => array(
-                'func'       => 'process_reg_step',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-            ),
-            'redirect_to_txn'                     => array(
-                'func'       => 'redirect_to_txn',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-            ),
-            'change_reg_status'                   => array(
-                'func'       => '_change_reg_status',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'approve_registration'                => array(
-                'func'       => 'approve_registration',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'approve_and_notify_registration'     => array(
-                'func'       => 'approve_registration',
-                'noheader'   => true,
-                'args'       => array(true),
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'approve_registrations'               => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('approve'),
-            ),
-            'approve_and_notify_registrations'    => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('approve', true),
-            ),
-            'decline_registration'                => array(
-                'func'       => 'decline_registration',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'decline_and_notify_registration'     => array(
-                'func'       => 'decline_registration',
-                'noheader'   => true,
-                'args'       => array(true),
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'decline_registrations'               => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('decline'),
-            ),
-            'decline_and_notify_registrations'    => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('decline', true),
-            ),
-            'pending_registration'                => array(
-                'func'       => 'pending_registration',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'pending_and_notify_registration'     => array(
-                'func'       => 'pending_registration',
-                'noheader'   => true,
-                'args'       => array(true),
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'pending_registrations'               => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('pending'),
-            ),
-            'pending_and_notify_registrations'    => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('pending', true),
-            ),
-            'no_approve_registration'             => array(
-                'func'       => 'not_approve_registration',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'no_approve_and_notify_registration'  => array(
-                'func'       => 'not_approve_registration',
-                'noheader'   => true,
-                'args'       => array(true),
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'no_approve_registrations'            => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('not_approve'),
-            ),
-            'no_approve_and_notify_registrations' => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('not_approve', true),
-            ),
-            'cancel_registration'                 => array(
-                'func'       => 'cancel_registration',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'cancel_and_notify_registration'      => array(
-                'func'       => 'cancel_registration',
-                'noheader'   => true,
-                'args'       => array(true),
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'cancel_registrations'                => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('cancel'),
-            ),
-            'cancel_and_notify_registrations'     => array(
-                'func'       => 'bulk_action_on_registrations',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registrations',
-                'args'       => array('cancel', true),
-            ),
-            'wait_list_registration'              => array(
-                'func'       => 'wait_list_registration',
-                'noheader'   => true,
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'wait_list_and_notify_registration'   => array(
-                'func'       => 'wait_list_registration',
-                'noheader'   => true,
-                'args'       => array(true),
-                'capability' => 'ee_edit_registration',
-                'obj_id'     => $reg_id,
-            ),
-            'contact_list'                        => array(
-                'func'       => '_attendee_contact_list_table',
-                'capability' => 'ee_read_contacts',
-            ),
-            'add_new_attendee'                    => array(
-                'func' => '_create_new_cpt_item',
-                'args' => array(
-                    'new_attendee' => true,
-                    'capability'   => 'ee_edit_contacts',
-                ),
-            ),
-            'edit_attendee'                       => array(
-                'func'       => '_edit_cpt_item',
-                'capability' => 'ee_edit_contacts',
-                'obj_id'     => $att_id,
-            ),
-            'duplicate_attendee'                  => array(
-                'func'       => '_duplicate_attendee',
-                'noheader'   => true,
-                'capability' => 'ee_edit_contacts',
-                'obj_id'     => $att_id,
-            ),
-            'insert_attendee'                     => array(
-                'func'       => '_insert_or_update_attendee',
-                'args'       => array(
-                    'new_attendee' => true,
-                ),
-                'noheader'   => true,
-                'capability' => 'ee_edit_contacts',
-            ),
-            'update_attendee'                     => array(
-                'func'       => '_insert_or_update_attendee',
-                'args'       => array(
-                    'new_attendee' => false,
-                ),
-                'noheader'   => true,
-                'capability' => 'ee_edit_contacts',
-                'obj_id'     => $att_id,
-            ),
-            'trash_attendees'                     => array(
-                'func'       => '_trash_or_restore_attendees',
-                'args'       => array(
-                    'trash' => 'true',
-                ),
-                'noheader'   => true,
-                'capability' => 'ee_delete_contacts',
-            ),
-            'trash_attendee'                      => array(
-                'func'       => '_trash_or_restore_attendees',
-                'args'       => array(
-                    'trash' => true,
-                ),
-                'noheader'   => true,
-                'capability' => 'ee_delete_contacts',
-                'obj_id'     => $att_id,
-            ),
-            'restore_attendees'                   => array(
-                'func'       => '_trash_or_restore_attendees',
-                'args'       => array(
-                    'trash' => false,
-                ),
-                'noheader'   => true,
-                'capability' => 'ee_delete_contacts',
-                'obj_id'     => $att_id,
-            ),
-            'resend_registration'                 => array(
-                'func'       => '_resend_registration',
-                'noheader'   => true,
-                'capability' => 'ee_send_message',
-            ),
-            'registrations_report'                => array(
-                'func'       => '_registrations_report',
-                'noheader'   => true,
-                'capability' => 'ee_read_registrations',
-            ),
-            'contact_list_export'                 => array(
-                'func'       => '_contact_list_export',
-                'noheader'   => true,
-                'capability' => 'export',
-            ),
-            'contact_list_report'                 => array(
-                'func'       => '_contact_list_report',
-                'noheader'   => true,
-                'capability' => 'ee_read_contacts',
-            ),
-        );
-    }
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default'           => array(
-                'nav'           => array(
-                    'label' => esc_html__('Overview', 'event_espresso'),
-                    'order' => 5,
-                ),
-                'help_tabs'     => array(
-                    'registrations_overview_help_tab'                       => array(
-                        'title'    => esc_html__('Registrations Overview', 'event_espresso'),
-                        'filename' => 'registrations_overview',
-                    ),
-                    'registrations_overview_table_column_headings_help_tab' => array(
-                        'title'    => esc_html__('Registrations Table Column Headings', 'event_espresso'),
-                        'filename' => 'registrations_overview_table_column_headings',
-                    ),
-                    'registrations_overview_filters_help_tab'               => array(
-                        'title'    => esc_html__('Registration Filters', 'event_espresso'),
-                        'filename' => 'registrations_overview_filters',
-                    ),
-                    'registrations_overview_views_help_tab'                 => array(
-                        'title'    => esc_html__('Registration Views', 'event_espresso'),
-                        'filename' => 'registrations_overview_views',
-                    ),
-                    'registrations_regoverview_other_help_tab'              => array(
-                        'title'    => esc_html__('Registrations Other', 'event_espresso'),
-                        'filename' => 'registrations_overview_other',
-                    ),
-                ),
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array('Registration_Overview_Help_Tour'),
-                'qtips'         => array('Registration_List_Table_Tips'),
-                'list_table'    => 'EE_Registrations_List_Table',
-                'require_nonce' => false,
-            ),
-            'view_registration' => array(
-                'nav'           => array(
-                    'label'      => esc_html__('REG Details', 'event_espresso'),
-                    'order'      => 15,
-                    'url'        => isset($this->_req_data['_REG_ID'])
-                        ? add_query_arg(array('_REG_ID' => $this->_req_data['_REG_ID']), $this->_current_page_view_url)
-                        : $this->_admin_base_url,
-                    'persistent' => false,
-                ),
-                'help_tabs'     => array(
-                    'registrations_details_help_tab'                    => array(
-                        'title'    => esc_html__('Registration Details', 'event_espresso'),
-                        'filename' => 'registrations_details',
-                    ),
-                    'registrations_details_table_help_tab'              => array(
-                        'title'    => esc_html__('Registration Details Table', 'event_espresso'),
-                        'filename' => 'registrations_details_table',
-                    ),
-                    'registrations_details_form_answers_help_tab'       => array(
-                        'title'    => esc_html__('Registration Form Answers', 'event_espresso'),
-                        'filename' => 'registrations_details_form_answers',
-                    ),
-                    'registrations_details_registrant_details_help_tab' => array(
-                        'title'    => esc_html__('Contact Details', 'event_espresso'),
-                        'filename' => 'registrations_details_registrant_details',
-                    ),
-                ),
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array('Registration_Details_Help_Tour'),
-                'metaboxes'     => array_merge(
-                    $this->_default_espresso_metaboxes,
-                    array('_registration_details_metaboxes')
-                ),
-                'require_nonce' => false,
-            ),
-            'new_registration'  => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Add New Registration', 'event_espresso'),
-                    'url'        => '#',
-                    'order'      => 15,
-                    'persistent' => false,
-                ),
-                'metaboxes'     => $this->_default_espresso_metaboxes,
-                'labels'        => array(
-                    'publishbox' => esc_html__('Save Registration', 'event_espresso'),
-                ),
-                'require_nonce' => false,
-            ),
-            'add_new_attendee'  => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Add Contact', 'event_espresso'),
-                    'order'      => 15,
-                    'persistent' => false,
-                ),
-                'metaboxes'     => array_merge(
-                    $this->_default_espresso_metaboxes,
-                    array('_publish_post_box', 'attendee_editor_metaboxes')
-                ),
-                'require_nonce' => false,
-            ),
-            'edit_attendee'     => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Edit Contact', 'event_espresso'),
-                    'order'      => 15,
-                    'persistent' => false,
-                    'url'        => isset($this->_req_data['ATT_ID'])
-                        ? add_query_arg(array('ATT_ID' => $this->_req_data['ATT_ID']), $this->_current_page_view_url)
-                        : $this->_admin_base_url,
-                ),
-                'metaboxes'     => array('attendee_editor_metaboxes'),
-                'require_nonce' => false,
-            ),
-            'contact_list'      => array(
-                'nav'           => array(
-                    'label' => esc_html__('Contact List', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'list_table'    => 'EE_Attendee_Contact_List_Table',
-                'help_tabs'     => array(
-                    'registrations_contact_list_help_tab'                       => array(
-                        'title'    => esc_html__('Registrations Contact List', 'event_espresso'),
-                        'filename' => 'registrations_contact_list',
-                    ),
-                    'registrations_contact-list_table_column_headings_help_tab' => array(
-                        'title'    => esc_html__('Contact List Table Column Headings', 'event_espresso'),
-                        'filename' => 'registrations_contact_list_table_column_headings',
-                    ),
-                    'registrations_contact_list_views_help_tab'                 => array(
-                        'title'    => esc_html__('Contact List Views', 'event_espresso'),
-                        'filename' => 'registrations_contact_list_views',
-                    ),
-                    'registrations_contact_list_other_help_tab'                 => array(
-                        'title'    => esc_html__('Contact List Other', 'event_espresso'),
-                        'filename' => 'registrations_contact_list_other',
-                    ),
-                ),
-                // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-                // 'help_tour'     => array('Contact_List_Help_Tour'),
-                'metaboxes'     => array(),
-                'require_nonce' => false,
-            ),
-            // override default cpt routes
-            'create_new'        => '',
-            'edit'              => '',
-        );
-    }
-
-
-    /**
-     * The below methods aren't used by this class currently
-     */
-    protected function _add_screen_options()
-    {
-    }
-
-
-    protected function _add_feature_pointers()
-    {
-    }
-
-
-    public function admin_init()
-    {
-        EE_Registry::$i18n_js_strings['update_att_qstns'] = esc_html__(
-            'click "Update Registration Questions" to save your changes',
-            'event_espresso'
-        );
-    }
-
-
-    public function admin_notices()
-    {
-    }
-
-
-    public function admin_footer_scripts()
-    {
-    }
-
-
-    /**
-     *        get list of registration statuses
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    private function _get_registration_status_array()
-    {
-        self::$_reg_status = EEM_Registration::reg_status_array(array(), true);
-    }
-
-
-    /**
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.10.2.p
-     */
-    protected function _add_screen_options_default()
-    {
-        $this->_per_page_screen_option();
-    }
-
-
-    /**
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.10.2.p
-     */
-    protected function _add_screen_options_contact_list()
-    {
-        $page_title = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Contacts', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-
-    public function load_scripts_styles()
-    {
-        // style
-        wp_register_style(
-            'espresso_reg',
-            REG_ASSETS_URL . 'espresso_registrations_admin.css',
-            array('ee-admin-css'),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('espresso_reg');
-        // script
-        wp_register_script(
-            'espresso_reg',
-            REG_ASSETS_URL . 'espresso_registrations_admin.js',
-            array('jquery-ui-datepicker', 'jquery-ui-draggable', 'ee_admin_js'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_enqueue_script('espresso_reg');
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.10.2.p
-     */
-    public function load_scripts_styles_edit_attendee()
-    {
-        // stuff to only show up on our attendee edit details page.
-        $attendee_details_translations = array(
-            'att_publish_text' => sprintf(
-                /* translators: The date and time */
-                wp_strip_all_tags(__('Created on: %s', 'event_espresso')),
-                '<b>' . $this->_cpt_model_obj->get_datetime('ATT_created') . '</b>'
-            ),
-        );
-        wp_localize_script('espresso_reg', 'ATTENDEE_DETAILS', $attendee_details_translations);
-        wp_enqueue_script('jquery-validate');
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.10.2.p
-     */
-    public function load_scripts_styles_view_registration()
-    {
-        // styles
-        wp_enqueue_style('espresso-ui-theme');
-        // scripts
-        $this->_get_reg_custom_questions_form($this->_registration->ID());
-        $this->_reg_custom_questions_form->wp_enqueue_scripts(true);
-    }
-
-
-    public function load_scripts_styles_contact_list()
-    {
-        wp_dequeue_style('espresso_reg');
-        wp_register_style(
-            'espresso_att',
-            REG_ASSETS_URL . 'espresso_attendees_admin.css',
-            array('ee-admin-css'),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('espresso_att');
-    }
-
-
-    public function load_scripts_styles_new_registration()
-    {
-        wp_register_script(
-            'ee-spco-for-admin',
-            REG_ASSETS_URL . 'spco_for_admin.js',
-            array('underscore', 'jquery'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_enqueue_script('ee-spco-for-admin');
-        add_filter('FHEE__EED_Ticket_Selector__load_tckt_slctr_assets', '__return_true');
-        EE_Form_Section_Proper::wp_enqueue_scripts();
-        EED_Ticket_Selector::load_tckt_slctr_assets();
-        EE_Datepicker_Input::enqueue_styles_and_scripts();
-    }
-
-
-    public function AHEE__EE_Admin_Page__route_admin_request_resend_registration()
-    {
-        add_filter('FHEE_load_EE_messages', '__return_true');
-    }
-
-
-    public function AHEE__EE_Admin_Page__route_admin_request_approve_registration()
-    {
-        add_filter('FHEE_load_EE_messages', '__return_true');
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.10.2.p
-     */
-    protected function _set_list_table_views_default()
-    {
-        // for notification related bulk actions we need to make sure only active messengers have an option.
-        EED_Messages::set_autoloaders();
-        /** @type EE_Message_Resource_Manager $message_resource_manager */
-        $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $active_mts = $message_resource_manager->list_of_active_message_types();
-        // key= bulk_action_slug, value= message type.
-        $match_array = array(
-            'approve_registrations'    => 'registration',
-            'decline_registrations'    => 'declined_registration',
-            'pending_registrations'    => 'pending_approval',
-            'no_approve_registrations' => 'not_approved_registration',
-            'cancel_registrations'     => 'cancelled_registration',
-        );
-        $can_send = EE_Registry::instance()->CAP->current_user_can(
-            'ee_send_message',
-            'batch_send_messages'
-        );
-        /** setup reg status bulk actions **/
-        $def_reg_status_actions['approve_registrations'] = esc_html__('Approve Registrations', 'event_espresso');
-        if ($can_send && in_array($match_array['approve_registrations'], $active_mts, true)) {
-            $def_reg_status_actions['approve_and_notify_registrations'] = esc_html__(
-                'Approve and Notify Registrations',
-                'event_espresso'
-            );
-        }
-        $def_reg_status_actions['decline_registrations'] = esc_html__('Decline Registrations', 'event_espresso');
-        if ($can_send && in_array($match_array['decline_registrations'], $active_mts, true)) {
-            $def_reg_status_actions['decline_and_notify_registrations'] = esc_html__(
-                'Decline and Notify Registrations',
-                'event_espresso'
-            );
-        }
-        $def_reg_status_actions['pending_registrations'] = esc_html__(
-            'Set Registrations to Pending Payment',
-            'event_espresso'
-        );
-        if ($can_send && in_array($match_array['pending_registrations'], $active_mts, true)) {
-            $def_reg_status_actions['pending_and_notify_registrations'] = esc_html__(
-                'Set Registrations to Pending Payment and Notify',
-                'event_espresso'
-            );
-        }
-        $def_reg_status_actions['no_approve_registrations'] = esc_html__(
-            'Set Registrations to Not Approved',
-            'event_espresso'
-        );
-        if ($can_send && in_array($match_array['no_approve_registrations'], $active_mts, true)) {
-            $def_reg_status_actions['no_approve_and_notify_registrations'] = esc_html__(
-                'Set Registrations to Not Approved and Notify',
-                'event_espresso'
-            );
-        }
-        $def_reg_status_actions['cancel_registrations'] = esc_html__('Cancel Registrations', 'event_espresso');
-        if ($can_send && in_array($match_array['cancel_registrations'], $active_mts, true)) {
-            $def_reg_status_actions['cancel_and_notify_registrations'] = esc_html__(
-                'Cancel Registrations and Notify',
-                'event_espresso'
-            );
-        }
-        $def_reg_status_actions = apply_filters(
-            'FHEE__Registrations_Admin_Page___set_list_table_views_default__def_reg_status_actions_array',
-            $def_reg_status_actions,
-            $active_mts,
-            $can_send
-        );
-
-        $this->_views = array(
-            'all'   => array(
-                'slug'        => 'all',
-                'label'       => esc_html__('View All Registrations', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array_merge(
-                    $def_reg_status_actions,
-                    array(
-                        'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
-                    )
-                ),
-            ),
-            'month' => array(
-                'slug'        => 'month',
-                'label'       => esc_html__('This Month', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array_merge(
-                    $def_reg_status_actions,
-                    array(
-                        'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
-                    )
-                ),
-            ),
-            'today' => array(
-                'slug'        => 'today',
-                'label'       => sprintf(
-                    esc_html__('Today - %s', 'event_espresso'),
-                    date('M d, Y', current_time('timestamp'))
-                ),
-                'count'       => 0,
-                'bulk_action' => array_merge(
-                    $def_reg_status_actions,
-                    array(
-                        'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
-                    )
-                ),
-            ),
-        );
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_registrations',
-            'espresso_registrations_delete_registration'
-        )) {
-            $this->_views['incomplete'] = array(
-                'slug'        => 'incomplete',
-                'label'       => esc_html__('Incomplete', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array(
-                    'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
-                ),
-            );
-            $this->_views['trash'] = array(
-                'slug'        => 'trash',
-                'label'       => esc_html__('Trash', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array(
-                    'restore_registrations' => esc_html__('Restore Registrations', 'event_espresso'),
-                    'delete_registrations'  => esc_html__('Delete Registrations Permanently', 'event_espresso'),
-                ),
-            );
-        }
-    }
-
-
-    protected function _set_list_table_views_contact_list()
-    {
-        $this->_views = array(
-            'in_use' => array(
-                'slug'        => 'in_use',
-                'label'       => esc_html__('In Use', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array(
-                    'trash_attendees' => esc_html__('Move to Trash', 'event_espresso'),
-                ),
-            ),
-        );
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_contacts',
-            'espresso_registrations_trash_attendees'
-        )
-        ) {
-            $this->_views['trash'] = array(
-                'slug'        => 'trash',
-                'label'       => esc_html__('Trash', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array(
-                    'restore_attendees' => esc_html__('Restore from Trash', 'event_espresso'),
-                ),
-            );
-        }
-    }
-
-
-    protected function _registration_legend_items()
-    {
-        $fc_items = array(
-            'star-icon'        => array(
-                'class' => 'dashicons dashicons-star-filled lt-blue-icon ee-icon-size-8',
-                'desc'  => esc_html__('This is the Primary Registrant', 'event_espresso'),
-            ),
-            'view_details'     => array(
-                'class' => 'dashicons dashicons-clipboard',
-                'desc'  => esc_html__('View Registration Details', 'event_espresso'),
-            ),
-            'edit_attendee'    => array(
-                'class' => 'ee-icon ee-icon-user-edit ee-icon-size-16',
-                'desc'  => esc_html__('Edit Contact Details', 'event_espresso'),
-            ),
-            'view_transaction' => array(
-                'class' => 'dashicons dashicons-cart',
-                'desc'  => esc_html__('View Transaction Details', 'event_espresso'),
-            ),
-            'view_invoice'     => array(
-                'class' => 'dashicons dashicons-media-spreadsheet',
-                'desc'  => esc_html__('View Transaction Invoice', 'event_espresso'),
-            ),
-        );
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_send_message',
-            'espresso_registrations_resend_registration'
-        )) {
-            $fc_items['resend_registration'] = array(
-                'class' => 'dashicons dashicons-email-alt',
-                'desc'  => esc_html__('Resend Registration Details', 'event_espresso'),
-            );
-        } else {
-            $fc_items['blank'] = array('class' => 'blank', 'desc' => '');
-        }
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_global_messages',
-            'view_filtered_messages'
-        )) {
-            $related_for_icon = EEH_MSG_Template::get_message_action_icon('see_notifications_for');
-            if (is_array($related_for_icon) && isset($related_for_icon['css_class'], $related_for_icon['label'])) {
-                $fc_items['view_related_messages'] = array(
-                    'class' => $related_for_icon['css_class'],
-                    'desc'  => $related_for_icon['label'],
-                );
-            }
-        }
-        $sc_items = array(
-            'approved_status'   => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_approved,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_approved,
-                    false,
-                    'sentence'
-                ),
-            ),
-            'pending_status'    => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_pending_payment,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_pending_payment,
-                    false,
-                    'sentence'
-                ),
-            ),
-            'wait_list'         => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_wait_list,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_wait_list,
-                    false,
-                    'sentence'
-                ),
-            ),
-            'incomplete_status' => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_incomplete,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_incomplete,
-                    false,
-                    'sentence'
-                ),
-            ),
-            'not_approved'      => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_not_approved,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_not_approved,
-                    false,
-                    'sentence'
-                ),
-            ),
-            'declined_status'   => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_declined,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_declined,
-                    false,
-                    'sentence'
-                ),
-            ),
-            'cancelled_status'  => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_cancelled,
-                'desc'  => EEH_Template::pretty_status(
-                    EEM_Registration::status_id_cancelled,
-                    false,
-                    'sentence'
-                ),
-            ),
-        );
-        return array_merge($fc_items, $sc_items);
-    }
-
-
-
-    /***************************************        REGISTRATION OVERVIEW        **************************************/
-
-
-
-    /**
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _registrations_overview_list_table()
-    {
-        $this->appendAddNewRegistrationButtonToPageTitle();
-        $header_text = '';
-        $admin_page_header_decorators = [
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\AttendeeFilterHeader',
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\EventFilterHeader',
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\DateFilterHeader',
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\TicketFilterHeader',
-        ];
-        foreach ($admin_page_header_decorators as $admin_page_header_decorator) {
-            $filter_header_decorator = $this->getLoader()->getNew($admin_page_header_decorator);
-            $header_text = $filter_header_decorator->getHeaderText($header_text);
-        }
-        $this->_template_args['admin_page_header'] = $header_text;
-        $this->_template_args['after_list_table'] = $this->_display_legend($this->_registration_legend_items());
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function appendAddNewRegistrationButtonToPageTitle()
-    {
-        $EVT_ID = ! empty($this->_req_data['event_id'])
-            ? absint($this->_req_data['event_id'])
-            : 0;
-        if ($EVT_ID
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_edit_registrations',
-                'espresso_registrations_new_registration',
-                $EVT_ID
-            )
-        ) {
-            $this->_admin_page_title .= ' ' . $this->get_action_link_or_button(
-                'new_registration',
-                'add-registrant',
-                array('event_id' => $EVT_ID),
-                'add-new-h2'
-            );
-        }
-    }
-
-
-    /**
-     * This sets the _registration property for the registration details screen
-     *
-     * @access private
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _set_registration_object()
-    {
-        // get out if we've already set the object
-        if ($this->_registration instanceof EE_Registration) {
-            return true;
-        }
-        $REG_ID = (! empty($this->_req_data['_REG_ID'])) ? absint($this->_req_data['_REG_ID']) : false;
-        if ($this->_registration = $this->getRegistrationModel()->get_one_by_ID($REG_ID)) {
-            return true;
-        }
-        $error_msg = sprintf(
-            esc_html__(
-                'An error occurred and the details for Registration ID #%s could not be retrieved.',
-                'event_espresso'
-            ),
-            $REG_ID
-        );
-        EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
-        $this->_registration = null;
-        return false;
-    }
-
-
-    /**
-     * Used to retrieve registrations for the list table.
-     *
-     * @param int  $per_page
-     * @param bool $count
-     * @param bool $this_month
-     * @param bool $today
-     * @return EE_Registration[]|int
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_registrations(
-        $per_page = 10,
-        $count = false,
-        $this_month = false,
-        $today = false
-    ) {
-        if ($this_month) {
-            $this->_req_data['status'] = 'month';
-        }
-        if ($today) {
-            $this->_req_data['status'] = 'today';
-        }
-        $query_params = $this->_get_registration_query_parameters($this->_req_data, $per_page, $count);
-        /**
-         * Override the default groupby added by EEM_Base so that sorts with multiple order bys work as expected
-         *
-         * @link https://events.codebasehq.com/projects/event-espresso/tickets/10093
-         * @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
-         *                             or if you have the development copy of EE you can view this at the path:
-         *                             /docs/G--Model-System/model-query-params.md
-         */
-        $query_params['group_by'] = '';
-
-        return $count
-            ? $this->getRegistrationModel()->count($query_params)
-            /** @type EE_Registration[] */
-            : $this->getRegistrationModel()->get_all($query_params);
-    }
-
-
-    /**
-     * Retrieves the query parameters to be used by the Registration model for getting registrations.
-     * Note: this listens to values on the request for some of the query parameters.
-     *
-     * @param array $request
-     * @param int   $per_page
-     * @param bool  $count
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_registration_query_parameters(
-        $request = array(),
-        $per_page = 10,
-        $count = false
-    ) {
-        /** @var EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder $list_table_query_builder */
-        $list_table_query_builder = $this->getLoader()->getNew(
-            'EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder',
-            [ $request ]
-        );
-        return $list_table_query_builder->getQueryParams($per_page, $count);
-    }
-
-
-    public function get_registration_status_array()
-    {
-        return self::$_reg_status;
-    }
-
-
-
-
-    /***************************************        REGISTRATION DETAILS        ***************************************/
-    /**
-     *        generates HTML for the View Registration Details Admin page
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws EntityNotFoundException
-     * @throws ReflectionException
-     */
-    protected function _registration_details()
-    {
-        $this->_template_args = array();
-        $this->_set_registration_object();
-        if (is_object($this->_registration)) {
-            $transaction = $this->_registration->transaction()
-                ? $this->_registration->transaction()
-                : EE_Transaction::new_instance();
-            $this->_session = $transaction->session_data();
-            $event_id = $this->_registration->event_ID();
-            $this->_template_args['reg_nmbr']['value'] = $this->_registration->ID();
-            $this->_template_args['reg_nmbr']['label'] = esc_html__('Registration Number', 'event_espresso');
-            $this->_template_args['reg_datetime']['value'] = $this->_registration->get_i18n_datetime('REG_date');
-            $this->_template_args['reg_datetime']['label'] = esc_html__('Date', 'event_espresso');
-            $this->_template_args['grand_total'] = $transaction->total();
-            $this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
-            // link back to overview
-            $this->_template_args['reg_overview_url'] = REG_ADMIN_URL;
-            $this->_template_args['registration'] = $this->_registration;
-            $this->_template_args['filtered_registrations_link'] = EE_Admin_Page::add_query_args_and_nonce(
-                array(
-                    'action'   => 'default',
-                    'event_id' => $event_id,
-                ),
-                REG_ADMIN_URL
-            );
-            $this->_template_args['filtered_transactions_link'] = EE_Admin_Page::add_query_args_and_nonce(
-                array(
-                    'action' => 'default',
-                    'EVT_ID' => $event_id,
-                    'page'   => 'espresso_transactions',
-                ),
-                admin_url('admin.php')
-            );
-            $this->_template_args['event_link'] = EE_Admin_Page::add_query_args_and_nonce(
-                array(
-                    'page'   => 'espresso_events',
-                    'action' => 'edit',
-                    'post'   => $event_id,
-                ),
-                admin_url('admin.php')
-            );
-            // next and previous links
-            $next_reg = $this->_registration->next(
-                null,
-                array(),
-                'REG_ID'
-            );
-            $this->_template_args['next_registration'] = $next_reg
-                ? $this->_next_link(
-                    EE_Admin_Page::add_query_args_and_nonce(
-                        array(
-                            'action'  => 'view_registration',
-                            '_REG_ID' => $next_reg['REG_ID'],
-                        ),
-                        REG_ADMIN_URL
-                    ),
-                    'dashicons dashicons-arrow-right ee-icon-size-22'
-                )
-                : '';
-            $previous_reg = $this->_registration->previous(
-                null,
-                array(),
-                'REG_ID'
-            );
-            $this->_template_args['previous_registration'] = $previous_reg
-                ? $this->_previous_link(
-                    EE_Admin_Page::add_query_args_and_nonce(
-                        array(
-                            'action'  => 'view_registration',
-                            '_REG_ID' => $previous_reg['REG_ID'],
-                        ),
-                        REG_ADMIN_URL
-                    ),
-                    'dashicons dashicons-arrow-left ee-icon-size-22'
-                )
-                : '';
-            // grab header
-            $template_path = REG_TEMPLATE_PATH . 'reg_admin_details_header.template.php';
-            $this->_template_args['REG_ID'] = $this->_registration->ID();
-            $this->_template_args['admin_page_header'] = EEH_Template::display_template(
-                $template_path,
-                $this->_template_args,
-                true
-            );
-        } else {
-            $this->_template_args['admin_page_header'] = $this->display_espresso_notices();
-        }
-        // the details template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @since 4.10.2.p
-     */
-    protected function _registration_details_metaboxes()
-    {
-        do_action('AHEE__Registrations_Admin_Page___registration_details_metabox__start', $this);
-        $this->_set_registration_object();
-        $attendee = $this->_registration instanceof EE_Registration ? $this->_registration->attendee() : null;
-        add_meta_box(
-            'edit-reg-status-mbox',
-            esc_html__('Registration Status', 'event_espresso'),
-            array($this, 'set_reg_status_buttons_metabox'),
-            $this->wp_page_slug,
-            'normal',
-            'high'
-        );
-        add_meta_box(
-            'edit-reg-details-mbox',
-            esc_html__('Registration Details', 'event_espresso'),
-            array($this, '_reg_details_meta_box'),
-            $this->wp_page_slug,
-            'normal',
-            'high'
-        );
-        if ($attendee instanceof EE_Attendee
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_read_registration',
-                'edit-reg-questions-mbox',
-                $this->_registration->ID()
-            )
-        ) {
-            add_meta_box(
-                'edit-reg-questions-mbox',
-                esc_html__('Registration Form Answers', 'event_espresso'),
-                array($this, '_reg_questions_meta_box'),
-                $this->wp_page_slug,
-                'normal',
-                'high'
-            );
-        }
-        add_meta_box(
-            'edit-reg-registrant-mbox',
-            esc_html__('Contact Details', 'event_espresso'),
-            array($this, '_reg_registrant_side_meta_box'),
-            $this->wp_page_slug,
-            'side',
-            'high'
-        );
-        if ($this->_registration->group_size() > 1) {
-            add_meta_box(
-                'edit-reg-attendees-mbox',
-                esc_html__('Other Registrations in this Transaction', 'event_espresso'),
-                array($this, '_reg_attendees_meta_box'),
-                $this->wp_page_slug,
-                'normal',
-                'high'
-            );
-        }
-    }
-
-
-    /**
-     * set_reg_status_buttons_metabox
-     *
-     * @access protected
-     * @return string
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function set_reg_status_buttons_metabox()
-    {
-        $this->_set_registration_object();
-        $change_reg_status_form = $this->_generate_reg_status_change_form();
-        echo $change_reg_status_form->form_open(
-            self::add_query_args_and_nonce(
-                array(
-                    'action' => 'change_reg_status',
-                ),
-                REG_ADMIN_URL
-            )
-        );
-        echo $change_reg_status_form->get_html();
-        echo $change_reg_status_form->form_close();
-    }
-
-
-    /**
-     * @return EE_Form_Section_Proper
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws EntityNotFoundException
-     * @throws ReflectionException
-     */
-    protected function _generate_reg_status_change_form()
-    {
-        $reg_status_change_form_array = array(
-            'name'            => 'reg_status_change_form',
-            'html_id'         => 'reg-status-change-form',
-            'layout_strategy' => new EE_Admin_Two_Column_Layout(),
-            'subsections'     => array(
-                'return'             => new EE_Hidden_Input(
-                    array(
-                        'name'    => 'return',
-                        'default' => 'view_registration',
-                    )
-                ),
-                'REG_ID'             => new EE_Hidden_Input(
-                    array(
-                        'name'    => 'REG_ID',
-                        'default' => $this->_registration->ID(),
-                    )
-                ),
-                'current_status'     => new EE_Form_Section_HTML(
-                    EEH_HTML::table(
-                        EEH_HTML::tr(
-                            EEH_HTML::th(
-                                EEH_HTML::label(
-                                    EEH_HTML::strong(
-                                        esc_html__('Current Registration Status', 'event_espresso')
-                                    )
-                                )
-                            )
-                            . EEH_HTML::td(
-                                EEH_HTML::strong(
-                                    $this->_registration->pretty_status(),
-                                    '',
-                                    'status-' . $this->_registration->status_ID(),
-                                    'line-height: 1em; font-size: 1.5em; font-weight: bold;'
-                                )
-                            )
-                        )
-                    )
-                )
-            )
-        );
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_edit_registration',
-            'toggle_registration_status',
-            $this->_registration->ID()
-        )) {
-            $reg_status_change_form_array['subsections']['reg_status'] = new EE_Select_Input(
-                $this->_get_reg_statuses(),
-                array(
-                    'html_label_text' => esc_html__('Change Registration Status to', 'event_espresso'),
-                    'default'         => $this->_registration->status_ID(),
-                )
-            );
-            $reg_status_change_form_array['subsections']['send_notifications'] = new EE_Yes_No_Input(
-                array(
-                    'html_label_text' => esc_html__('Send Related Messages', 'event_espresso'),
-                    'default'         => false,
-                    'html_help_text'  => esc_html__(
-                        'If set to "Yes", then the related messages will be sent to the registrant.',
-                        'event_espresso'
-                    )
-                )
-            );
-            $reg_status_change_form_array['subsections']['submit'] = new EE_Submit_Input(
-                array(
-                    'html_class'      => 'button-primary',
-                    'html_label_text' => '&nbsp;',
-                    'default'         => esc_html__('Update Registration Status', 'event_espresso'),
-                )
-            );
-        }
-        return new EE_Form_Section_Proper($reg_status_change_form_array);
-    }
-
-
-    /**
-     * Returns an array of all the buttons for the various statuses and switch status actions
-     *
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws EntityNotFoundException
-     */
-    protected function _get_reg_statuses()
-    {
-        $reg_status_array = $this->getRegistrationModel()->reg_status_array();
-        unset($reg_status_array[ EEM_Registration::status_id_incomplete ]);
-        // get current reg status
-        $current_status = $this->_registration->status_ID();
-        // is registration for free event? This will determine whether to display the pending payment option
-        if ($current_status !== EEM_Registration::status_id_pending_payment
-            && EEH_Money::compare_floats($this->_registration->ticket()->price(), 0.00)
-        ) {
-            unset($reg_status_array[ EEM_Registration::status_id_pending_payment ]);
-        }
-        return $this->getStatusModel()->localized_status($reg_status_array, false, 'sentence');
-    }
-
-
-    /**
-     * This method is used when using _REG_ID from request which may or may not be an array of reg_ids.
-     *
-     * @param bool $status REG status given for changing registrations to.
-     * @param bool $notify Whether to send messages notifications or not.
-     * @return array (array with reg_id(s) updated and whether update was successful.
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    protected function _set_registration_status_from_request($status = false, $notify = false)
-    {
-        if (isset($this->_req_data['reg_status_change_form'])) {
-            $REG_IDs = isset($this->_req_data['reg_status_change_form']['REG_ID'])
-                ? (array) $this->_req_data['reg_status_change_form']['REG_ID']
-                : array();
-        } else {
-            $REG_IDs = isset($this->_req_data['_REG_ID'])
-                ? (array) $this->_req_data['_REG_ID']
-                : array();
-        }
-        // sanitize $REG_IDs
-        $REG_IDs = array_map('absint', $REG_IDs);
-        // and remove empty entries
-        $REG_IDs = array_filter($REG_IDs);
-
-        $result = $this->_set_registration_status($REG_IDs, $status, $notify);
-
-        /**
-         * Set and filter $_req_data['_REG_ID'] for any potential future messages notifications.
-         * Currently this value is used downstream by the _process_resend_registration method.
-         *
-         * @param int|array                $registration_ids The registration ids that have had their status changed successfully.
-         * @param bool                     $status           The status registrations were changed to.
-         * @param bool                     $success          If the status was changed successfully for all registrations.
-         * @param Registrations_Admin_Page $admin_page_object
-         */
-        $this->_req_data['_REG_ID'] = apply_filters(
-            'FHEE__Registrations_Admin_Page___set_registration_status_from_request__REG_IDs',
-            $result['REG_ID'],
-            $status,
-            $result['success'],
-            $this
-        );
-
-        // notify?
-        if ($notify
-            && $result['success']
-            && ! empty($this->_req_data['_REG_ID'])
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_send_message',
-                'espresso_registrations_resend_registration'
-            )
-        ) {
-            $this->_process_resend_registration();
-        }
-        return $result;
-    }
-
-
-    /**
-     * Set the registration status for the given reg_id (which may or may not be an array, it gets typecast to an
-     * array). Note, this method does NOT take care of possible notifications.  That is required by calling code.
-     *
-     * @param array  $REG_IDs
-     * @param string $status
-     * @param bool   $notify  Used to indicate whether notification was requested or not.  This determines the context
-     *                        slug sent with setting the registration status.
-     * @return array (an array with 'success' key representing whether status change was successful, and 'REG_ID' as
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws EntityNotFoundException
-     * @throws DomainException
-     */
-    protected function _set_registration_status($REG_IDs = array(), $status = '', $notify = false)
-    {
-        $success = false;
-        // typecast $REG_IDs
-        $REG_IDs = (array) $REG_IDs;
-        if (! empty($REG_IDs)) {
-            $success = true;
-            // set default status if none is passed
-            $status = $status ? $status : EEM_Registration::status_id_pending_payment;
-            $status_context = $notify
-                ? Domain::CONTEXT_REGISTRATION_STATUS_CHANGE_REGISTRATION_ADMIN_NOTIFY
-                : Domain::CONTEXT_REGISTRATION_STATUS_CHANGE_REGISTRATION_ADMIN;
-            // loop through REG_ID's and change status
-            foreach ($REG_IDs as $REG_ID) {
-                $registration = $this->getRegistrationModel()->get_one_by_ID($REG_ID);
-                if ($registration instanceof EE_Registration) {
-                    $registration->set_status(
-                        $status,
-                        false,
-                        new Context(
-                            $status_context,
-                            esc_html__(
-                                'Manually triggered status change on a Registration Admin Page route.',
-                                'event_espresso'
-                            )
-                        )
-                    );
-                    $result = $registration->save();
-                    // verifying explicit fails because update *may* just return 0 for 0 rows affected
-                    $success = $result !== false ? $success : false;
-                }
-            }
-        }
-
-        // return $success and processed registrations
-        return array('REG_ID' => $REG_IDs, 'success' => $success);
-    }
-
-
-    /**
-     * Common logic for setting up success message and redirecting to appropriate route
-     *
-     * @param string $STS_ID status id for the registration changed to
-     * @param bool   $notify indicates whether the _set_registration_status_from_request does notifications or not.
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    protected function _reg_status_change_return($STS_ID, $notify = false)
-    {
-        $result = ! empty($STS_ID) ? $this->_set_registration_status_from_request($STS_ID, $notify)
-            : array('success' => false);
-        $success = isset($result['success']) && $result['success'];
-        // setup success message
-        if ($success) {
-            if (is_array($result['REG_ID']) && count($result['REG_ID']) === 1) {
-                $msg = sprintf(
-                    esc_html__('Registration status has been set to %s', 'event_espresso'),
-                    EEH_Template::pretty_status($STS_ID, false, 'lower')
-                );
-            } else {
-                $msg = sprintf(
-                    esc_html__('Registrations have been set to %s.', 'event_espresso'),
-                    EEH_Template::pretty_status($STS_ID, false, 'lower')
-                );
-            }
-            EE_Error::add_success($msg);
-        } else {
-            EE_Error::add_error(
-                esc_html__(
-                    'Something went wrong, and the status was not changed',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __LINE__,
-                __FUNCTION__
-            );
-        }
-        if (isset($this->_req_data['return']) && $this->_req_data['return'] === 'view_registration') {
-            $route = array('action' => 'view_registration', '_REG_ID' => reset($result['REG_ID']));
-        } else {
-            $route = array('action' => 'default');
-        }
-        $route = $this->mergeExistingRequestParamsWithRedirectArgs($route);
-        $this->_redirect_after_action($success, '', '', $route, true);
-    }
-
-
-    /**
-     * incoming reg status change from reg details page.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function _change_reg_status()
-    {
-        $this->_req_data['return'] = 'view_registration';
-        // set notify based on whether the send notifications toggle is set or not
-        $notify = ! empty($this->_req_data['reg_status_change_form']['send_notifications']);
-        // $notify = ! empty( $this->_req_data['txn_reg_status_change']['send_notifications'] );
-        $this->_req_data['reg_status_change_form']['reg_status'] = isset($this->_req_data['reg_status_change_form']['reg_status'])
-            ? $this->_req_data['reg_status_change_form']['reg_status'] : '';
-        switch ($this->_req_data['reg_status_change_form']['reg_status']) {
-            case EEM_Registration::status_id_approved:
-            case EEH_Template::pretty_status(EEM_Registration::status_id_approved, false, 'sentence'):
-                $this->approve_registration($notify);
-                break;
-            case EEM_Registration::status_id_pending_payment:
-            case EEH_Template::pretty_status(EEM_Registration::status_id_pending_payment, false, 'sentence'):
-                $this->pending_registration($notify);
-                break;
-            case EEM_Registration::status_id_not_approved:
-            case EEH_Template::pretty_status(EEM_Registration::status_id_not_approved, false, 'sentence'):
-                $this->not_approve_registration($notify);
-                break;
-            case EEM_Registration::status_id_declined:
-            case EEH_Template::pretty_status(EEM_Registration::status_id_declined, false, 'sentence'):
-                $this->decline_registration($notify);
-                break;
-            case EEM_Registration::status_id_cancelled:
-            case EEH_Template::pretty_status(EEM_Registration::status_id_cancelled, false, 'sentence'):
-                $this->cancel_registration($notify);
-                break;
-            case EEM_Registration::status_id_wait_list:
-            case EEH_Template::pretty_status(EEM_Registration::status_id_wait_list, false, 'sentence'):
-                $this->wait_list_registration($notify);
-                break;
-            case EEM_Registration::status_id_incomplete:
-            default:
-                $result['success'] = false;
-                unset($this->_req_data['return']);
-                $this->_reg_status_change_return('', false);
-                break;
-        }
-    }
-
-
-    /**
-     * Callback for bulk action routes.
-     * Note: although we could just register the singular route callbacks for each bulk action route as well, this
-     * method was chosen so there is one central place all the registration status bulk actions are going through.
-     * Potentially, this provides an easier place to locate logic that is specific to these bulk actions (as opposed to
-     * when an action is happening on just a single registration).
-     *
-     * @param      $action
-     * @param bool $notify
-     */
-    protected function bulk_action_on_registrations($action, $notify = false)
-    {
-        do_action(
-            'AHEE__Registrations_Admin_Page__bulk_action_on_registrations__before_execution',
-            $this,
-            $action,
-            $notify
-        );
-        $method = $action . '_registration';
-        if (method_exists($this, $method)) {
-            $this->$method($notify);
-        }
-    }
-
-
-    /**
-     * approve_registration
-     *
-     * @access protected
-     * @param bool $notify whether or not to notify the registrant about their approval.
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function approve_registration($notify = false)
-    {
-        $this->_reg_status_change_return(EEM_Registration::status_id_approved, $notify);
-    }
-
-
-    /**
-     *        decline_registration
-     *
-     * @access protected
-     * @param bool $notify whether or not to notify the registrant about their status change.
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function decline_registration($notify = false)
-    {
-        $this->_reg_status_change_return(EEM_Registration::status_id_declined, $notify);
-    }
-
-
-    /**
-     *        cancel_registration
-     *
-     * @access protected
-     * @param bool $notify whether or not to notify the registrant about their status change.
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function cancel_registration($notify = false)
-    {
-        $this->_reg_status_change_return(EEM_Registration::status_id_cancelled, $notify);
-    }
-
-
-    /**
-     *        not_approve_registration
-     *
-     * @access protected
-     * @param bool $notify whether or not to notify the registrant about their status change.
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function not_approve_registration($notify = false)
-    {
-        $this->_reg_status_change_return(EEM_Registration::status_id_not_approved, $notify);
-    }
-
-
-    /**
-     *        decline_registration
-     *
-     * @access protected
-     * @param bool $notify whether or not to notify the registrant about their status change.
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function pending_registration($notify = false)
-    {
-        $this->_reg_status_change_return(EEM_Registration::status_id_pending_payment, $notify);
-    }
-
-
-    /**
-     * waitlist_registration
-     *
-     * @access protected
-     * @param bool $notify whether or not to notify the registrant about their status change.
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws DomainException
-     */
-    protected function wait_list_registration($notify = false)
-    {
-        $this->_reg_status_change_return(EEM_Registration::status_id_wait_list, $notify);
-    }
-
-
-    /**
-     *        generates HTML for the Registration main meta box
-     *
-     * @access public
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws EntityNotFoundException
-     */
-    public function _reg_details_meta_box()
-    {
-        EEH_Autoloader::register_line_item_display_autoloaders();
-        EEH_Autoloader::register_line_item_filter_autoloaders();
-        EE_Registry::instance()->load_helper('Line_Item');
-        $transaction = $this->_registration->transaction() ? $this->_registration->transaction()
-            : EE_Transaction::new_instance();
-        $this->_session = $transaction->session_data();
-        $filters = new EE_Line_Item_Filter_Collection();
-        $filters->add(new EE_Single_Registration_Line_Item_Filter($this->_registration));
-        $filters->add(new EE_Non_Zero_Line_Item_Filter());
-        $line_item_filter_processor = new EE_Line_Item_Filter_Processor(
-            $filters,
-            $transaction->total_line_item()
-        );
-        $filtered_line_item_tree = $line_item_filter_processor->process();
-        $line_item_display = new EE_Line_Item_Display(
-            'reg_admin_table',
-            'EE_Admin_Table_Registration_Line_Item_Display_Strategy'
-        );
-        $this->_template_args['line_item_table'] = $line_item_display->display_line_item(
-            $filtered_line_item_tree,
-            array('EE_Registration' => $this->_registration)
-        );
-        $attendee = $this->_registration->attendee();
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_transaction',
-            'espresso_transactions_view_transaction'
-        )) {
-            $this->_template_args['view_transaction_button'] = EEH_Template::get_button_or_link(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'action' => 'view_transaction',
-                        'TXN_ID' => $transaction->ID(),
-                    ),
-                    TXN_ADMIN_URL
-                ),
-                esc_html__(' View Transaction', 'event_espresso'),
-                'button secondary-button right',
-                'dashicons dashicons-cart'
-            );
-        } else {
-            $this->_template_args['view_transaction_button'] = '';
-        }
-        if ($attendee instanceof EE_Attendee
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_send_message',
-                'espresso_registrations_resend_registration'
-            )
-        ) {
-            $this->_template_args['resend_registration_button'] = EEH_Template::get_button_or_link(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'action'      => 'resend_registration',
-                        '_REG_ID'     => $this->_registration->ID(),
-                        'redirect_to' => 'view_registration',
-                    ),
-                    REG_ADMIN_URL
-                ),
-                esc_html__(' Resend Registration', 'event_espresso'),
-                'button secondary-button right',
-                'dashicons dashicons-email-alt'
-            );
-        } else {
-            $this->_template_args['resend_registration_button'] = '';
-        }
-        $this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
-        $payment = $transaction->get_first_related('Payment');
-        $payment = ! $payment instanceof EE_Payment
-            ? EE_Payment::new_instance()
-            : $payment;
-        $payment_method = $payment->get_first_related('Payment_Method');
-        $payment_method = ! $payment_method instanceof EE_Payment_Method
-            ? EE_Payment_Method::new_instance()
-            : $payment_method;
-        $reg_details = array(
-            'payment_method'       => $payment_method->name(),
-            'response_msg'         => $payment->gateway_response(),
-            'registration_id'      => $this->_registration->get('REG_code'),
-            'registration_session' => $this->_registration->session_ID(),
-            'ip_address'           => isset($this->_session['ip_address']) ? $this->_session['ip_address'] : '',
-            'user_agent'           => isset($this->_session['user_agent']) ? $this->_session['user_agent'] : '',
-        );
-        if (isset($reg_details['registration_id'])) {
-            $this->_template_args['reg_details']['registration_id']['value'] = $reg_details['registration_id'];
-            $this->_template_args['reg_details']['registration_id']['label'] = esc_html__(
-                'Registration ID',
-                'event_espresso'
-            );
-            $this->_template_args['reg_details']['registration_id']['class'] = 'regular-text';
-        }
-        if (isset($reg_details['payment_method'])) {
-            $this->_template_args['reg_details']['payment_method']['value'] = $reg_details['payment_method'];
-            $this->_template_args['reg_details']['payment_method']['label'] = esc_html__(
-                'Most Recent Payment Method',
-                'event_espresso'
-            );
-            $this->_template_args['reg_details']['payment_method']['class'] = 'regular-text';
-            $this->_template_args['reg_details']['response_msg']['value'] = $reg_details['response_msg'];
-            $this->_template_args['reg_details']['response_msg']['label'] = esc_html__(
-                'Payment method response',
-                'event_espresso'
-            );
-            $this->_template_args['reg_details']['response_msg']['class'] = 'regular-text';
-        }
-        $this->_template_args['reg_details']['registration_session']['value'] = $reg_details['registration_session'];
-        $this->_template_args['reg_details']['registration_session']['label'] = esc_html__(
-            'Registration Session',
-            'event_espresso'
-        );
-        $this->_template_args['reg_details']['registration_session']['class'] = 'regular-text';
-        $this->_template_args['reg_details']['ip_address']['value'] = $reg_details['ip_address'];
-        $this->_template_args['reg_details']['ip_address']['label'] = esc_html__(
-            'Registration placed from IP',
-            'event_espresso'
-        );
-        $this->_template_args['reg_details']['ip_address']['class'] = 'regular-text';
-        $this->_template_args['reg_details']['user_agent']['value'] = $reg_details['user_agent'];
-        $this->_template_args['reg_details']['user_agent']['label'] = esc_html__(
-            'Registrant User Agent',
-            'event_espresso'
-        );
-        $this->_template_args['reg_details']['user_agent']['class'] = 'large-text';
-        $this->_template_args['event_link'] = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action'   => 'default',
-                'event_id' => $this->_registration->event_ID(),
-            ),
-            REG_ADMIN_URL
-        );
-        $this->_template_args['REG_ID'] = $this->_registration->ID();
-        $this->_template_args['event_id'] = $this->_registration->event_ID();
-        $template_path =
-            REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_reg_details.template.php';
-        echo EEH_Template::display_template($template_path, $this->_template_args, true);
-    }
-
-
-    /**
-     * generates HTML for the Registration Questions meta box.
-     * If pre-4.8.32.rc.000 hooks are used, uses old methods (with its filters),
-     * otherwise uses new forms system
-     *
-     * @access public
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function _reg_questions_meta_box()
-    {
-        // allow someone to override this method entirely
-        if (apply_filters(
-            'FHEE__Registrations_Admin_Page___reg_questions_meta_box__do_default',
-            true,
-            $this,
-            $this->_registration
-        )) {
-            $form = $this->_get_reg_custom_questions_form(
-                $this->_registration->ID()
-            );
-            $this->_template_args['att_questions'] = count($form->subforms()) > 0
-                ? $form->get_html_and_js()
-                : '';
-            $this->_template_args['reg_questions_form_action'] = 'edit_registration';
-            $this->_template_args['REG_ID'] = $this->_registration->ID();
-            $template_path =
-                REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_reg_questions.template.php';
-            echo EEH_Template::display_template($template_path, $this->_template_args, true);
-        }
-    }
-
-
-    /**
-     * form_before_question_group
-     *
-     * @deprecated    as of 4.8.32.rc.000
-     * @access        public
-     * @param        string $output
-     * @return        string
-     */
-    public function form_before_question_group($output)
-    {
-        EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
-            esc_html__(
-                'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
-                'event_espresso'
-            ),
-            '4.8.32.rc.000'
-        );
-        return '
+	/**
+	 * @var EE_Registration
+	 */
+	private $_registration;
+
+	/**
+	 * @var EE_Event
+	 */
+	private $_reg_event;
+
+	/**
+	 * @var EE_Session
+	 */
+	private $_session;
+
+	private static $_reg_status;
+
+	/**
+	 * Form for displaying the custom questions for this registration.
+	 * This gets used a few times throughout the request so its best to cache it
+	 *
+	 * @var EE_Registration_Custom_Questions_Form
+	 */
+	protected $_reg_custom_questions_form = null;
+
+	/**
+	 * @var EEM_Registration $registration_model
+	 */
+	private $registration_model;
+
+	/**
+	 * @var EEM_Attendee $attendee_model
+	 */
+	private $attendee_model;
+
+	/**
+	 * @var EEM_Event $event_model
+	 */
+	private $event_model;
+
+	/**
+	 * @var EEM_Status $status_model
+	 */
+	private $status_model;
+
+
+	/**
+	 * @param bool $routing
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function __construct($routing = true)
+	{
+		parent::__construct($routing);
+		add_action('wp_loaded', array($this, 'wp_loaded'));
+	}
+
+	/**
+	 * @return EEM_Registration
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.10.2.p
+	 */
+	protected function getRegistrationModel()
+	{
+		if (! $this->registration_model instanceof EEM_Registration) {
+			$this->registration_model = $this->getLoader()->getShared('EEM_Registration');
+		}
+		return $this->registration_model;
+	}
+
+	/**
+	 * @return EEM_Attendee
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.10.2.p
+	 */
+	protected function getAttendeeModel()
+	{
+		if (! $this->attendee_model instanceof EEM_Attendee) {
+			$this->attendee_model = $this->getLoader()->getShared('EEM_Attendee');
+		}
+		return $this->attendee_model;
+	}
+
+
+	/**
+	 * @return EEM_Event
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.10.2.p
+	 */
+	protected function getEventModel()
+	{
+		if (! $this->event_model instanceof EEM_Event) {
+			$this->event_model = $this->getLoader()->getShared('EEM_Event');
+		}
+		return $this->event_model;
+	}
+
+	/**
+	 * @return EEM_Status
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.10.2.p
+	 */
+	protected function getStatusModel()
+	{
+		if (! $this->status_model instanceof EEM_Status) {
+			$this->status_model = $this->getLoader()->getShared('EEM_Status');
+		}
+		return $this->status_model;
+	}
+
+
+	public function wp_loaded()
+	{
+		// when adding a new registration...
+		if (isset($this->_req_data['action']) && $this->_req_data['action'] === 'new_registration') {
+			EE_System::do_not_cache();
+			if (! isset($this->_req_data['processing_registration'])
+				|| absint($this->_req_data['processing_registration']) !== 1
+			) {
+				// and it's NOT the attendee information reg step
+				// force cookie expiration by setting time to last week
+				setcookie('ee_registration_added', 0, time() - WEEK_IN_SECONDS, '/');
+				// and update the global
+				$_COOKIE['ee_registration_added'] = 0;
+			}
+		}
+	}
+
+
+	protected function _init_page_props()
+	{
+		$this->page_slug = REG_PG_SLUG;
+		$this->_admin_base_url = REG_ADMIN_URL;
+		$this->_admin_base_path = REG_ADMIN;
+		$this->page_label = esc_html__('Registrations', 'event_espresso');
+		$this->_cpt_routes = array(
+			'add_new_attendee' => 'espresso_attendees',
+			'edit_attendee'    => 'espresso_attendees',
+			'insert_attendee'  => 'espresso_attendees',
+			'update_attendee'  => 'espresso_attendees',
+		);
+		$this->_cpt_model_names = array(
+			'add_new_attendee' => 'EEM_Attendee',
+			'edit_attendee'    => 'EEM_Attendee',
+		);
+		$this->_cpt_edit_routes = array(
+			'espresso_attendees' => 'edit_attendee',
+		);
+		$this->_pagenow_map = array(
+			'add_new_attendee' => 'post-new.php',
+			'edit_attendee'    => 'post.php',
+			'trash'            => 'post.php',
+		);
+		add_action('edit_form_after_title', array($this, 'after_title_form_fields'), 10);
+		// add filters so that the comment urls don't take users to a confusing 404 page
+		add_filter('get_comment_link', array($this, 'clear_comment_link'), 10, 3);
+	}
+
+
+	public function clear_comment_link($link, $comment, $args)
+	{
+		// gotta make sure this only happens on this route
+		$post_type = get_post_type($comment->comment_post_ID);
+		if ($post_type === 'espresso_attendees') {
+			return '#commentsdiv';
+		}
+		return $link;
+	}
+
+
+	protected function _ajax_hooks()
+	{
+		// todo: all hooks for registrations ajax goes in here
+		add_action('wp_ajax_toggle_checkin_status', array($this, 'toggle_checkin_status'));
+	}
+
+
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = $this->page_label;
+		$this->_labels = array(
+			'buttons'                      => array(
+				'add-registrant'      => esc_html__('Add New Registration', 'event_espresso'),
+				'add-attendee'        => esc_html__('Add Contact', 'event_espresso'),
+				'edit'                => esc_html__('Edit Contact', 'event_espresso'),
+				'report'              => esc_html__('Event Registrations CSV Report', 'event_espresso'),
+				'report_all'          => esc_html__('All Registrations CSV Report', 'event_espresso'),
+				'report_filtered'     => esc_html__('Filtered CSV Report', 'event_espresso'),
+				'contact_list_report' => esc_html__('Contact List Report', 'event_espresso'),
+				'contact_list_export' => esc_html__('Export Data', 'event_espresso'),
+			),
+			'publishbox'                   => array(
+				'add_new_attendee' => esc_html__('Add Contact Record', 'event_espresso'),
+				'edit_attendee'    => esc_html__('Update Contact Record', 'event_espresso'),
+			),
+			'hide_add_button_on_cpt_route' => array(
+				'edit_attendee' => true,
+			),
+		);
+	}
+
+
+	/**
+	 *        grab url requests and route them
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function _set_page_routes()
+	{
+		$this->_get_registration_status_array();
+		$reg_id = ! empty($this->_req_data['_REG_ID']) && ! is_array($this->_req_data['_REG_ID'])
+			? $this->_req_data['_REG_ID'] : 0;
+		$reg_id = empty($reg_id) && ! empty($this->_req_data['reg_status_change_form']['REG_ID'])
+			? $this->_req_data['reg_status_change_form']['REG_ID']
+			: $reg_id;
+		$att_id = ! empty($this->_req_data['ATT_ID']) && ! is_array($this->_req_data['ATT_ID'])
+			? $this->_req_data['ATT_ID'] : 0;
+		$att_id = ! empty($this->_req_data['post']) && ! is_array($this->_req_data['post'])
+			? $this->_req_data['post']
+			: $att_id;
+		$this->_page_routes = array(
+			'default'                             => array(
+				'func'       => '_registrations_overview_list_table',
+				'capability' => 'ee_read_registrations',
+			),
+			'view_registration'                   => array(
+				'func'       => '_registration_details',
+				'capability' => 'ee_read_registration',
+				'obj_id'     => $reg_id,
+			),
+			'edit_registration'                   => array(
+				'func'               => '_update_attendee_registration_form',
+				'noheader'           => true,
+				'headers_sent_route' => 'view_registration',
+				'capability'         => 'ee_edit_registration',
+				'obj_id'             => $reg_id,
+				'_REG_ID'            => $reg_id,
+			),
+			'trash_registrations'                 => array(
+				'func'       => '_trash_or_restore_registrations',
+				'args'       => array('trash' => true),
+				'noheader'   => true,
+				'capability' => 'ee_delete_registrations',
+			),
+			'restore_registrations'               => array(
+				'func'       => '_trash_or_restore_registrations',
+				'args'       => array('trash' => false),
+				'noheader'   => true,
+				'capability' => 'ee_delete_registrations',
+			),
+			'delete_registrations'                => array(
+				'func'       => '_delete_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_delete_registrations',
+			),
+			'new_registration'                    => array(
+				'func'       => 'new_registration',
+				'capability' => 'ee_edit_registrations',
+			),
+			'process_reg_step'                    => array(
+				'func'       => 'process_reg_step',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+			),
+			'redirect_to_txn'                     => array(
+				'func'       => 'redirect_to_txn',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+			),
+			'change_reg_status'                   => array(
+				'func'       => '_change_reg_status',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'approve_registration'                => array(
+				'func'       => 'approve_registration',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'approve_and_notify_registration'     => array(
+				'func'       => 'approve_registration',
+				'noheader'   => true,
+				'args'       => array(true),
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'approve_registrations'               => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('approve'),
+			),
+			'approve_and_notify_registrations'    => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('approve', true),
+			),
+			'decline_registration'                => array(
+				'func'       => 'decline_registration',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'decline_and_notify_registration'     => array(
+				'func'       => 'decline_registration',
+				'noheader'   => true,
+				'args'       => array(true),
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'decline_registrations'               => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('decline'),
+			),
+			'decline_and_notify_registrations'    => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('decline', true),
+			),
+			'pending_registration'                => array(
+				'func'       => 'pending_registration',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'pending_and_notify_registration'     => array(
+				'func'       => 'pending_registration',
+				'noheader'   => true,
+				'args'       => array(true),
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'pending_registrations'               => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('pending'),
+			),
+			'pending_and_notify_registrations'    => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('pending', true),
+			),
+			'no_approve_registration'             => array(
+				'func'       => 'not_approve_registration',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'no_approve_and_notify_registration'  => array(
+				'func'       => 'not_approve_registration',
+				'noheader'   => true,
+				'args'       => array(true),
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'no_approve_registrations'            => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('not_approve'),
+			),
+			'no_approve_and_notify_registrations' => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('not_approve', true),
+			),
+			'cancel_registration'                 => array(
+				'func'       => 'cancel_registration',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'cancel_and_notify_registration'      => array(
+				'func'       => 'cancel_registration',
+				'noheader'   => true,
+				'args'       => array(true),
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'cancel_registrations'                => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('cancel'),
+			),
+			'cancel_and_notify_registrations'     => array(
+				'func'       => 'bulk_action_on_registrations',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registrations',
+				'args'       => array('cancel', true),
+			),
+			'wait_list_registration'              => array(
+				'func'       => 'wait_list_registration',
+				'noheader'   => true,
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'wait_list_and_notify_registration'   => array(
+				'func'       => 'wait_list_registration',
+				'noheader'   => true,
+				'args'       => array(true),
+				'capability' => 'ee_edit_registration',
+				'obj_id'     => $reg_id,
+			),
+			'contact_list'                        => array(
+				'func'       => '_attendee_contact_list_table',
+				'capability' => 'ee_read_contacts',
+			),
+			'add_new_attendee'                    => array(
+				'func' => '_create_new_cpt_item',
+				'args' => array(
+					'new_attendee' => true,
+					'capability'   => 'ee_edit_contacts',
+				),
+			),
+			'edit_attendee'                       => array(
+				'func'       => '_edit_cpt_item',
+				'capability' => 'ee_edit_contacts',
+				'obj_id'     => $att_id,
+			),
+			'duplicate_attendee'                  => array(
+				'func'       => '_duplicate_attendee',
+				'noheader'   => true,
+				'capability' => 'ee_edit_contacts',
+				'obj_id'     => $att_id,
+			),
+			'insert_attendee'                     => array(
+				'func'       => '_insert_or_update_attendee',
+				'args'       => array(
+					'new_attendee' => true,
+				),
+				'noheader'   => true,
+				'capability' => 'ee_edit_contacts',
+			),
+			'update_attendee'                     => array(
+				'func'       => '_insert_or_update_attendee',
+				'args'       => array(
+					'new_attendee' => false,
+				),
+				'noheader'   => true,
+				'capability' => 'ee_edit_contacts',
+				'obj_id'     => $att_id,
+			),
+			'trash_attendees'                     => array(
+				'func'       => '_trash_or_restore_attendees',
+				'args'       => array(
+					'trash' => 'true',
+				),
+				'noheader'   => true,
+				'capability' => 'ee_delete_contacts',
+			),
+			'trash_attendee'                      => array(
+				'func'       => '_trash_or_restore_attendees',
+				'args'       => array(
+					'trash' => true,
+				),
+				'noheader'   => true,
+				'capability' => 'ee_delete_contacts',
+				'obj_id'     => $att_id,
+			),
+			'restore_attendees'                   => array(
+				'func'       => '_trash_or_restore_attendees',
+				'args'       => array(
+					'trash' => false,
+				),
+				'noheader'   => true,
+				'capability' => 'ee_delete_contacts',
+				'obj_id'     => $att_id,
+			),
+			'resend_registration'                 => array(
+				'func'       => '_resend_registration',
+				'noheader'   => true,
+				'capability' => 'ee_send_message',
+			),
+			'registrations_report'                => array(
+				'func'       => '_registrations_report',
+				'noheader'   => true,
+				'capability' => 'ee_read_registrations',
+			),
+			'contact_list_export'                 => array(
+				'func'       => '_contact_list_export',
+				'noheader'   => true,
+				'capability' => 'export',
+			),
+			'contact_list_report'                 => array(
+				'func'       => '_contact_list_report',
+				'noheader'   => true,
+				'capability' => 'ee_read_contacts',
+			),
+		);
+	}
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default'           => array(
+				'nav'           => array(
+					'label' => esc_html__('Overview', 'event_espresso'),
+					'order' => 5,
+				),
+				'help_tabs'     => array(
+					'registrations_overview_help_tab'                       => array(
+						'title'    => esc_html__('Registrations Overview', 'event_espresso'),
+						'filename' => 'registrations_overview',
+					),
+					'registrations_overview_table_column_headings_help_tab' => array(
+						'title'    => esc_html__('Registrations Table Column Headings', 'event_espresso'),
+						'filename' => 'registrations_overview_table_column_headings',
+					),
+					'registrations_overview_filters_help_tab'               => array(
+						'title'    => esc_html__('Registration Filters', 'event_espresso'),
+						'filename' => 'registrations_overview_filters',
+					),
+					'registrations_overview_views_help_tab'                 => array(
+						'title'    => esc_html__('Registration Views', 'event_espresso'),
+						'filename' => 'registrations_overview_views',
+					),
+					'registrations_regoverview_other_help_tab'              => array(
+						'title'    => esc_html__('Registrations Other', 'event_espresso'),
+						'filename' => 'registrations_overview_other',
+					),
+				),
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array('Registration_Overview_Help_Tour'),
+				'qtips'         => array('Registration_List_Table_Tips'),
+				'list_table'    => 'EE_Registrations_List_Table',
+				'require_nonce' => false,
+			),
+			'view_registration' => array(
+				'nav'           => array(
+					'label'      => esc_html__('REG Details', 'event_espresso'),
+					'order'      => 15,
+					'url'        => isset($this->_req_data['_REG_ID'])
+						? add_query_arg(array('_REG_ID' => $this->_req_data['_REG_ID']), $this->_current_page_view_url)
+						: $this->_admin_base_url,
+					'persistent' => false,
+				),
+				'help_tabs'     => array(
+					'registrations_details_help_tab'                    => array(
+						'title'    => esc_html__('Registration Details', 'event_espresso'),
+						'filename' => 'registrations_details',
+					),
+					'registrations_details_table_help_tab'              => array(
+						'title'    => esc_html__('Registration Details Table', 'event_espresso'),
+						'filename' => 'registrations_details_table',
+					),
+					'registrations_details_form_answers_help_tab'       => array(
+						'title'    => esc_html__('Registration Form Answers', 'event_espresso'),
+						'filename' => 'registrations_details_form_answers',
+					),
+					'registrations_details_registrant_details_help_tab' => array(
+						'title'    => esc_html__('Contact Details', 'event_espresso'),
+						'filename' => 'registrations_details_registrant_details',
+					),
+				),
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array('Registration_Details_Help_Tour'),
+				'metaboxes'     => array_merge(
+					$this->_default_espresso_metaboxes,
+					array('_registration_details_metaboxes')
+				),
+				'require_nonce' => false,
+			),
+			'new_registration'  => array(
+				'nav'           => array(
+					'label'      => esc_html__('Add New Registration', 'event_espresso'),
+					'url'        => '#',
+					'order'      => 15,
+					'persistent' => false,
+				),
+				'metaboxes'     => $this->_default_espresso_metaboxes,
+				'labels'        => array(
+					'publishbox' => esc_html__('Save Registration', 'event_espresso'),
+				),
+				'require_nonce' => false,
+			),
+			'add_new_attendee'  => array(
+				'nav'           => array(
+					'label'      => esc_html__('Add Contact', 'event_espresso'),
+					'order'      => 15,
+					'persistent' => false,
+				),
+				'metaboxes'     => array_merge(
+					$this->_default_espresso_metaboxes,
+					array('_publish_post_box', 'attendee_editor_metaboxes')
+				),
+				'require_nonce' => false,
+			),
+			'edit_attendee'     => array(
+				'nav'           => array(
+					'label'      => esc_html__('Edit Contact', 'event_espresso'),
+					'order'      => 15,
+					'persistent' => false,
+					'url'        => isset($this->_req_data['ATT_ID'])
+						? add_query_arg(array('ATT_ID' => $this->_req_data['ATT_ID']), $this->_current_page_view_url)
+						: $this->_admin_base_url,
+				),
+				'metaboxes'     => array('attendee_editor_metaboxes'),
+				'require_nonce' => false,
+			),
+			'contact_list'      => array(
+				'nav'           => array(
+					'label' => esc_html__('Contact List', 'event_espresso'),
+					'order' => 20,
+				),
+				'list_table'    => 'EE_Attendee_Contact_List_Table',
+				'help_tabs'     => array(
+					'registrations_contact_list_help_tab'                       => array(
+						'title'    => esc_html__('Registrations Contact List', 'event_espresso'),
+						'filename' => 'registrations_contact_list',
+					),
+					'registrations_contact-list_table_column_headings_help_tab' => array(
+						'title'    => esc_html__('Contact List Table Column Headings', 'event_espresso'),
+						'filename' => 'registrations_contact_list_table_column_headings',
+					),
+					'registrations_contact_list_views_help_tab'                 => array(
+						'title'    => esc_html__('Contact List Views', 'event_espresso'),
+						'filename' => 'registrations_contact_list_views',
+					),
+					'registrations_contact_list_other_help_tab'                 => array(
+						'title'    => esc_html__('Contact List Other', 'event_espresso'),
+						'filename' => 'registrations_contact_list_other',
+					),
+				),
+				// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+				// 'help_tour'     => array('Contact_List_Help_Tour'),
+				'metaboxes'     => array(),
+				'require_nonce' => false,
+			),
+			// override default cpt routes
+			'create_new'        => '',
+			'edit'              => '',
+		);
+	}
+
+
+	/**
+	 * The below methods aren't used by this class currently
+	 */
+	protected function _add_screen_options()
+	{
+	}
+
+
+	protected function _add_feature_pointers()
+	{
+	}
+
+
+	public function admin_init()
+	{
+		EE_Registry::$i18n_js_strings['update_att_qstns'] = esc_html__(
+			'click "Update Registration Questions" to save your changes',
+			'event_espresso'
+		);
+	}
+
+
+	public function admin_notices()
+	{
+	}
+
+
+	public function admin_footer_scripts()
+	{
+	}
+
+
+	/**
+	 *        get list of registration statuses
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _get_registration_status_array()
+	{
+		self::$_reg_status = EEM_Registration::reg_status_array(array(), true);
+	}
+
+
+	/**
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.10.2.p
+	 */
+	protected function _add_screen_options_default()
+	{
+		$this->_per_page_screen_option();
+	}
+
+
+	/**
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.10.2.p
+	 */
+	protected function _add_screen_options_contact_list()
+	{
+		$page_title = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Contacts', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+
+	public function load_scripts_styles()
+	{
+		// style
+		wp_register_style(
+			'espresso_reg',
+			REG_ASSETS_URL . 'espresso_registrations_admin.css',
+			array('ee-admin-css'),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('espresso_reg');
+		// script
+		wp_register_script(
+			'espresso_reg',
+			REG_ASSETS_URL . 'espresso_registrations_admin.js',
+			array('jquery-ui-datepicker', 'jquery-ui-draggable', 'ee_admin_js'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_enqueue_script('espresso_reg');
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.10.2.p
+	 */
+	public function load_scripts_styles_edit_attendee()
+	{
+		// stuff to only show up on our attendee edit details page.
+		$attendee_details_translations = array(
+			'att_publish_text' => sprintf(
+				/* translators: The date and time */
+				wp_strip_all_tags(__('Created on: %s', 'event_espresso')),
+				'<b>' . $this->_cpt_model_obj->get_datetime('ATT_created') . '</b>'
+			),
+		);
+		wp_localize_script('espresso_reg', 'ATTENDEE_DETAILS', $attendee_details_translations);
+		wp_enqueue_script('jquery-validate');
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.10.2.p
+	 */
+	public function load_scripts_styles_view_registration()
+	{
+		// styles
+		wp_enqueue_style('espresso-ui-theme');
+		// scripts
+		$this->_get_reg_custom_questions_form($this->_registration->ID());
+		$this->_reg_custom_questions_form->wp_enqueue_scripts(true);
+	}
+
+
+	public function load_scripts_styles_contact_list()
+	{
+		wp_dequeue_style('espresso_reg');
+		wp_register_style(
+			'espresso_att',
+			REG_ASSETS_URL . 'espresso_attendees_admin.css',
+			array('ee-admin-css'),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('espresso_att');
+	}
+
+
+	public function load_scripts_styles_new_registration()
+	{
+		wp_register_script(
+			'ee-spco-for-admin',
+			REG_ASSETS_URL . 'spco_for_admin.js',
+			array('underscore', 'jquery'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_enqueue_script('ee-spco-for-admin');
+		add_filter('FHEE__EED_Ticket_Selector__load_tckt_slctr_assets', '__return_true');
+		EE_Form_Section_Proper::wp_enqueue_scripts();
+		EED_Ticket_Selector::load_tckt_slctr_assets();
+		EE_Datepicker_Input::enqueue_styles_and_scripts();
+	}
+
+
+	public function AHEE__EE_Admin_Page__route_admin_request_resend_registration()
+	{
+		add_filter('FHEE_load_EE_messages', '__return_true');
+	}
+
+
+	public function AHEE__EE_Admin_Page__route_admin_request_approve_registration()
+	{
+		add_filter('FHEE_load_EE_messages', '__return_true');
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.10.2.p
+	 */
+	protected function _set_list_table_views_default()
+	{
+		// for notification related bulk actions we need to make sure only active messengers have an option.
+		EED_Messages::set_autoloaders();
+		/** @type EE_Message_Resource_Manager $message_resource_manager */
+		$message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$active_mts = $message_resource_manager->list_of_active_message_types();
+		// key= bulk_action_slug, value= message type.
+		$match_array = array(
+			'approve_registrations'    => 'registration',
+			'decline_registrations'    => 'declined_registration',
+			'pending_registrations'    => 'pending_approval',
+			'no_approve_registrations' => 'not_approved_registration',
+			'cancel_registrations'     => 'cancelled_registration',
+		);
+		$can_send = EE_Registry::instance()->CAP->current_user_can(
+			'ee_send_message',
+			'batch_send_messages'
+		);
+		/** setup reg status bulk actions **/
+		$def_reg_status_actions['approve_registrations'] = esc_html__('Approve Registrations', 'event_espresso');
+		if ($can_send && in_array($match_array['approve_registrations'], $active_mts, true)) {
+			$def_reg_status_actions['approve_and_notify_registrations'] = esc_html__(
+				'Approve and Notify Registrations',
+				'event_espresso'
+			);
+		}
+		$def_reg_status_actions['decline_registrations'] = esc_html__('Decline Registrations', 'event_espresso');
+		if ($can_send && in_array($match_array['decline_registrations'], $active_mts, true)) {
+			$def_reg_status_actions['decline_and_notify_registrations'] = esc_html__(
+				'Decline and Notify Registrations',
+				'event_espresso'
+			);
+		}
+		$def_reg_status_actions['pending_registrations'] = esc_html__(
+			'Set Registrations to Pending Payment',
+			'event_espresso'
+		);
+		if ($can_send && in_array($match_array['pending_registrations'], $active_mts, true)) {
+			$def_reg_status_actions['pending_and_notify_registrations'] = esc_html__(
+				'Set Registrations to Pending Payment and Notify',
+				'event_espresso'
+			);
+		}
+		$def_reg_status_actions['no_approve_registrations'] = esc_html__(
+			'Set Registrations to Not Approved',
+			'event_espresso'
+		);
+		if ($can_send && in_array($match_array['no_approve_registrations'], $active_mts, true)) {
+			$def_reg_status_actions['no_approve_and_notify_registrations'] = esc_html__(
+				'Set Registrations to Not Approved and Notify',
+				'event_espresso'
+			);
+		}
+		$def_reg_status_actions['cancel_registrations'] = esc_html__('Cancel Registrations', 'event_espresso');
+		if ($can_send && in_array($match_array['cancel_registrations'], $active_mts, true)) {
+			$def_reg_status_actions['cancel_and_notify_registrations'] = esc_html__(
+				'Cancel Registrations and Notify',
+				'event_espresso'
+			);
+		}
+		$def_reg_status_actions = apply_filters(
+			'FHEE__Registrations_Admin_Page___set_list_table_views_default__def_reg_status_actions_array',
+			$def_reg_status_actions,
+			$active_mts,
+			$can_send
+		);
+
+		$this->_views = array(
+			'all'   => array(
+				'slug'        => 'all',
+				'label'       => esc_html__('View All Registrations', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array_merge(
+					$def_reg_status_actions,
+					array(
+						'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
+					)
+				),
+			),
+			'month' => array(
+				'slug'        => 'month',
+				'label'       => esc_html__('This Month', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array_merge(
+					$def_reg_status_actions,
+					array(
+						'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
+					)
+				),
+			),
+			'today' => array(
+				'slug'        => 'today',
+				'label'       => sprintf(
+					esc_html__('Today - %s', 'event_espresso'),
+					date('M d, Y', current_time('timestamp'))
+				),
+				'count'       => 0,
+				'bulk_action' => array_merge(
+					$def_reg_status_actions,
+					array(
+						'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
+					)
+				),
+			),
+		);
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_registrations',
+			'espresso_registrations_delete_registration'
+		)) {
+			$this->_views['incomplete'] = array(
+				'slug'        => 'incomplete',
+				'label'       => esc_html__('Incomplete', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array(
+					'trash_registrations' => esc_html__('Trash Registrations', 'event_espresso'),
+				),
+			);
+			$this->_views['trash'] = array(
+				'slug'        => 'trash',
+				'label'       => esc_html__('Trash', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array(
+					'restore_registrations' => esc_html__('Restore Registrations', 'event_espresso'),
+					'delete_registrations'  => esc_html__('Delete Registrations Permanently', 'event_espresso'),
+				),
+			);
+		}
+	}
+
+
+	protected function _set_list_table_views_contact_list()
+	{
+		$this->_views = array(
+			'in_use' => array(
+				'slug'        => 'in_use',
+				'label'       => esc_html__('In Use', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array(
+					'trash_attendees' => esc_html__('Move to Trash', 'event_espresso'),
+				),
+			),
+		);
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_contacts',
+			'espresso_registrations_trash_attendees'
+		)
+		) {
+			$this->_views['trash'] = array(
+				'slug'        => 'trash',
+				'label'       => esc_html__('Trash', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array(
+					'restore_attendees' => esc_html__('Restore from Trash', 'event_espresso'),
+				),
+			);
+		}
+	}
+
+
+	protected function _registration_legend_items()
+	{
+		$fc_items = array(
+			'star-icon'        => array(
+				'class' => 'dashicons dashicons-star-filled lt-blue-icon ee-icon-size-8',
+				'desc'  => esc_html__('This is the Primary Registrant', 'event_espresso'),
+			),
+			'view_details'     => array(
+				'class' => 'dashicons dashicons-clipboard',
+				'desc'  => esc_html__('View Registration Details', 'event_espresso'),
+			),
+			'edit_attendee'    => array(
+				'class' => 'ee-icon ee-icon-user-edit ee-icon-size-16',
+				'desc'  => esc_html__('Edit Contact Details', 'event_espresso'),
+			),
+			'view_transaction' => array(
+				'class' => 'dashicons dashicons-cart',
+				'desc'  => esc_html__('View Transaction Details', 'event_espresso'),
+			),
+			'view_invoice'     => array(
+				'class' => 'dashicons dashicons-media-spreadsheet',
+				'desc'  => esc_html__('View Transaction Invoice', 'event_espresso'),
+			),
+		);
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_send_message',
+			'espresso_registrations_resend_registration'
+		)) {
+			$fc_items['resend_registration'] = array(
+				'class' => 'dashicons dashicons-email-alt',
+				'desc'  => esc_html__('Resend Registration Details', 'event_espresso'),
+			);
+		} else {
+			$fc_items['blank'] = array('class' => 'blank', 'desc' => '');
+		}
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_global_messages',
+			'view_filtered_messages'
+		)) {
+			$related_for_icon = EEH_MSG_Template::get_message_action_icon('see_notifications_for');
+			if (is_array($related_for_icon) && isset($related_for_icon['css_class'], $related_for_icon['label'])) {
+				$fc_items['view_related_messages'] = array(
+					'class' => $related_for_icon['css_class'],
+					'desc'  => $related_for_icon['label'],
+				);
+			}
+		}
+		$sc_items = array(
+			'approved_status'   => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_approved,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_approved,
+					false,
+					'sentence'
+				),
+			),
+			'pending_status'    => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_pending_payment,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_pending_payment,
+					false,
+					'sentence'
+				),
+			),
+			'wait_list'         => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_wait_list,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_wait_list,
+					false,
+					'sentence'
+				),
+			),
+			'incomplete_status' => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_incomplete,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_incomplete,
+					false,
+					'sentence'
+				),
+			),
+			'not_approved'      => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_not_approved,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_not_approved,
+					false,
+					'sentence'
+				),
+			),
+			'declined_status'   => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_declined,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_declined,
+					false,
+					'sentence'
+				),
+			),
+			'cancelled_status'  => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_cancelled,
+				'desc'  => EEH_Template::pretty_status(
+					EEM_Registration::status_id_cancelled,
+					false,
+					'sentence'
+				),
+			),
+		);
+		return array_merge($fc_items, $sc_items);
+	}
+
+
+
+	/***************************************        REGISTRATION OVERVIEW        **************************************/
+
+
+
+	/**
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _registrations_overview_list_table()
+	{
+		$this->appendAddNewRegistrationButtonToPageTitle();
+		$header_text = '';
+		$admin_page_header_decorators = [
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\AttendeeFilterHeader',
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\EventFilterHeader',
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\DateFilterHeader',
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\TicketFilterHeader',
+		];
+		foreach ($admin_page_header_decorators as $admin_page_header_decorator) {
+			$filter_header_decorator = $this->getLoader()->getNew($admin_page_header_decorator);
+			$header_text = $filter_header_decorator->getHeaderText($header_text);
+		}
+		$this->_template_args['admin_page_header'] = $header_text;
+		$this->_template_args['after_list_table'] = $this->_display_legend($this->_registration_legend_items());
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function appendAddNewRegistrationButtonToPageTitle()
+	{
+		$EVT_ID = ! empty($this->_req_data['event_id'])
+			? absint($this->_req_data['event_id'])
+			: 0;
+		if ($EVT_ID
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_edit_registrations',
+				'espresso_registrations_new_registration',
+				$EVT_ID
+			)
+		) {
+			$this->_admin_page_title .= ' ' . $this->get_action_link_or_button(
+				'new_registration',
+				'add-registrant',
+				array('event_id' => $EVT_ID),
+				'add-new-h2'
+			);
+		}
+	}
+
+
+	/**
+	 * This sets the _registration property for the registration details screen
+	 *
+	 * @access private
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _set_registration_object()
+	{
+		// get out if we've already set the object
+		if ($this->_registration instanceof EE_Registration) {
+			return true;
+		}
+		$REG_ID = (! empty($this->_req_data['_REG_ID'])) ? absint($this->_req_data['_REG_ID']) : false;
+		if ($this->_registration = $this->getRegistrationModel()->get_one_by_ID($REG_ID)) {
+			return true;
+		}
+		$error_msg = sprintf(
+			esc_html__(
+				'An error occurred and the details for Registration ID #%s could not be retrieved.',
+				'event_espresso'
+			),
+			$REG_ID
+		);
+		EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
+		$this->_registration = null;
+		return false;
+	}
+
+
+	/**
+	 * Used to retrieve registrations for the list table.
+	 *
+	 * @param int  $per_page
+	 * @param bool $count
+	 * @param bool $this_month
+	 * @param bool $today
+	 * @return EE_Registration[]|int
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_registrations(
+		$per_page = 10,
+		$count = false,
+		$this_month = false,
+		$today = false
+	) {
+		if ($this_month) {
+			$this->_req_data['status'] = 'month';
+		}
+		if ($today) {
+			$this->_req_data['status'] = 'today';
+		}
+		$query_params = $this->_get_registration_query_parameters($this->_req_data, $per_page, $count);
+		/**
+		 * Override the default groupby added by EEM_Base so that sorts with multiple order bys work as expected
+		 *
+		 * @link https://events.codebasehq.com/projects/event-espresso/tickets/10093
+		 * @see https://github.com/eventespresso/event-espresso-core/tree/master/docs/G--Model-System/model-query-params.md
+		 *                             or if you have the development copy of EE you can view this at the path:
+		 *                             /docs/G--Model-System/model-query-params.md
+		 */
+		$query_params['group_by'] = '';
+
+		return $count
+			? $this->getRegistrationModel()->count($query_params)
+			/** @type EE_Registration[] */
+			: $this->getRegistrationModel()->get_all($query_params);
+	}
+
+
+	/**
+	 * Retrieves the query parameters to be used by the Registration model for getting registrations.
+	 * Note: this listens to values on the request for some of the query parameters.
+	 *
+	 * @param array $request
+	 * @param int   $per_page
+	 * @param bool  $count
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_registration_query_parameters(
+		$request = array(),
+		$per_page = 10,
+		$count = false
+	) {
+		/** @var EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder $list_table_query_builder */
+		$list_table_query_builder = $this->getLoader()->getNew(
+			'EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder',
+			[ $request ]
+		);
+		return $list_table_query_builder->getQueryParams($per_page, $count);
+	}
+
+
+	public function get_registration_status_array()
+	{
+		return self::$_reg_status;
+	}
+
+
+
+
+	/***************************************        REGISTRATION DETAILS        ***************************************/
+	/**
+	 *        generates HTML for the View Registration Details Admin page
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws EntityNotFoundException
+	 * @throws ReflectionException
+	 */
+	protected function _registration_details()
+	{
+		$this->_template_args = array();
+		$this->_set_registration_object();
+		if (is_object($this->_registration)) {
+			$transaction = $this->_registration->transaction()
+				? $this->_registration->transaction()
+				: EE_Transaction::new_instance();
+			$this->_session = $transaction->session_data();
+			$event_id = $this->_registration->event_ID();
+			$this->_template_args['reg_nmbr']['value'] = $this->_registration->ID();
+			$this->_template_args['reg_nmbr']['label'] = esc_html__('Registration Number', 'event_espresso');
+			$this->_template_args['reg_datetime']['value'] = $this->_registration->get_i18n_datetime('REG_date');
+			$this->_template_args['reg_datetime']['label'] = esc_html__('Date', 'event_espresso');
+			$this->_template_args['grand_total'] = $transaction->total();
+			$this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
+			// link back to overview
+			$this->_template_args['reg_overview_url'] = REG_ADMIN_URL;
+			$this->_template_args['registration'] = $this->_registration;
+			$this->_template_args['filtered_registrations_link'] = EE_Admin_Page::add_query_args_and_nonce(
+				array(
+					'action'   => 'default',
+					'event_id' => $event_id,
+				),
+				REG_ADMIN_URL
+			);
+			$this->_template_args['filtered_transactions_link'] = EE_Admin_Page::add_query_args_and_nonce(
+				array(
+					'action' => 'default',
+					'EVT_ID' => $event_id,
+					'page'   => 'espresso_transactions',
+				),
+				admin_url('admin.php')
+			);
+			$this->_template_args['event_link'] = EE_Admin_Page::add_query_args_and_nonce(
+				array(
+					'page'   => 'espresso_events',
+					'action' => 'edit',
+					'post'   => $event_id,
+				),
+				admin_url('admin.php')
+			);
+			// next and previous links
+			$next_reg = $this->_registration->next(
+				null,
+				array(),
+				'REG_ID'
+			);
+			$this->_template_args['next_registration'] = $next_reg
+				? $this->_next_link(
+					EE_Admin_Page::add_query_args_and_nonce(
+						array(
+							'action'  => 'view_registration',
+							'_REG_ID' => $next_reg['REG_ID'],
+						),
+						REG_ADMIN_URL
+					),
+					'dashicons dashicons-arrow-right ee-icon-size-22'
+				)
+				: '';
+			$previous_reg = $this->_registration->previous(
+				null,
+				array(),
+				'REG_ID'
+			);
+			$this->_template_args['previous_registration'] = $previous_reg
+				? $this->_previous_link(
+					EE_Admin_Page::add_query_args_and_nonce(
+						array(
+							'action'  => 'view_registration',
+							'_REG_ID' => $previous_reg['REG_ID'],
+						),
+						REG_ADMIN_URL
+					),
+					'dashicons dashicons-arrow-left ee-icon-size-22'
+				)
+				: '';
+			// grab header
+			$template_path = REG_TEMPLATE_PATH . 'reg_admin_details_header.template.php';
+			$this->_template_args['REG_ID'] = $this->_registration->ID();
+			$this->_template_args['admin_page_header'] = EEH_Template::display_template(
+				$template_path,
+				$this->_template_args,
+				true
+			);
+		} else {
+			$this->_template_args['admin_page_header'] = $this->display_espresso_notices();
+		}
+		// the details template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @since 4.10.2.p
+	 */
+	protected function _registration_details_metaboxes()
+	{
+		do_action('AHEE__Registrations_Admin_Page___registration_details_metabox__start', $this);
+		$this->_set_registration_object();
+		$attendee = $this->_registration instanceof EE_Registration ? $this->_registration->attendee() : null;
+		add_meta_box(
+			'edit-reg-status-mbox',
+			esc_html__('Registration Status', 'event_espresso'),
+			array($this, 'set_reg_status_buttons_metabox'),
+			$this->wp_page_slug,
+			'normal',
+			'high'
+		);
+		add_meta_box(
+			'edit-reg-details-mbox',
+			esc_html__('Registration Details', 'event_espresso'),
+			array($this, '_reg_details_meta_box'),
+			$this->wp_page_slug,
+			'normal',
+			'high'
+		);
+		if ($attendee instanceof EE_Attendee
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_read_registration',
+				'edit-reg-questions-mbox',
+				$this->_registration->ID()
+			)
+		) {
+			add_meta_box(
+				'edit-reg-questions-mbox',
+				esc_html__('Registration Form Answers', 'event_espresso'),
+				array($this, '_reg_questions_meta_box'),
+				$this->wp_page_slug,
+				'normal',
+				'high'
+			);
+		}
+		add_meta_box(
+			'edit-reg-registrant-mbox',
+			esc_html__('Contact Details', 'event_espresso'),
+			array($this, '_reg_registrant_side_meta_box'),
+			$this->wp_page_slug,
+			'side',
+			'high'
+		);
+		if ($this->_registration->group_size() > 1) {
+			add_meta_box(
+				'edit-reg-attendees-mbox',
+				esc_html__('Other Registrations in this Transaction', 'event_espresso'),
+				array($this, '_reg_attendees_meta_box'),
+				$this->wp_page_slug,
+				'normal',
+				'high'
+			);
+		}
+	}
+
+
+	/**
+	 * set_reg_status_buttons_metabox
+	 *
+	 * @access protected
+	 * @return string
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function set_reg_status_buttons_metabox()
+	{
+		$this->_set_registration_object();
+		$change_reg_status_form = $this->_generate_reg_status_change_form();
+		echo $change_reg_status_form->form_open(
+			self::add_query_args_and_nonce(
+				array(
+					'action' => 'change_reg_status',
+				),
+				REG_ADMIN_URL
+			)
+		);
+		echo $change_reg_status_form->get_html();
+		echo $change_reg_status_form->form_close();
+	}
+
+
+	/**
+	 * @return EE_Form_Section_Proper
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws EntityNotFoundException
+	 * @throws ReflectionException
+	 */
+	protected function _generate_reg_status_change_form()
+	{
+		$reg_status_change_form_array = array(
+			'name'            => 'reg_status_change_form',
+			'html_id'         => 'reg-status-change-form',
+			'layout_strategy' => new EE_Admin_Two_Column_Layout(),
+			'subsections'     => array(
+				'return'             => new EE_Hidden_Input(
+					array(
+						'name'    => 'return',
+						'default' => 'view_registration',
+					)
+				),
+				'REG_ID'             => new EE_Hidden_Input(
+					array(
+						'name'    => 'REG_ID',
+						'default' => $this->_registration->ID(),
+					)
+				),
+				'current_status'     => new EE_Form_Section_HTML(
+					EEH_HTML::table(
+						EEH_HTML::tr(
+							EEH_HTML::th(
+								EEH_HTML::label(
+									EEH_HTML::strong(
+										esc_html__('Current Registration Status', 'event_espresso')
+									)
+								)
+							)
+							. EEH_HTML::td(
+								EEH_HTML::strong(
+									$this->_registration->pretty_status(),
+									'',
+									'status-' . $this->_registration->status_ID(),
+									'line-height: 1em; font-size: 1.5em; font-weight: bold;'
+								)
+							)
+						)
+					)
+				)
+			)
+		);
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_edit_registration',
+			'toggle_registration_status',
+			$this->_registration->ID()
+		)) {
+			$reg_status_change_form_array['subsections']['reg_status'] = new EE_Select_Input(
+				$this->_get_reg_statuses(),
+				array(
+					'html_label_text' => esc_html__('Change Registration Status to', 'event_espresso'),
+					'default'         => $this->_registration->status_ID(),
+				)
+			);
+			$reg_status_change_form_array['subsections']['send_notifications'] = new EE_Yes_No_Input(
+				array(
+					'html_label_text' => esc_html__('Send Related Messages', 'event_espresso'),
+					'default'         => false,
+					'html_help_text'  => esc_html__(
+						'If set to "Yes", then the related messages will be sent to the registrant.',
+						'event_espresso'
+					)
+				)
+			);
+			$reg_status_change_form_array['subsections']['submit'] = new EE_Submit_Input(
+				array(
+					'html_class'      => 'button-primary',
+					'html_label_text' => '&nbsp;',
+					'default'         => esc_html__('Update Registration Status', 'event_espresso'),
+				)
+			);
+		}
+		return new EE_Form_Section_Proper($reg_status_change_form_array);
+	}
+
+
+	/**
+	 * Returns an array of all the buttons for the various statuses and switch status actions
+	 *
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws EntityNotFoundException
+	 */
+	protected function _get_reg_statuses()
+	{
+		$reg_status_array = $this->getRegistrationModel()->reg_status_array();
+		unset($reg_status_array[ EEM_Registration::status_id_incomplete ]);
+		// get current reg status
+		$current_status = $this->_registration->status_ID();
+		// is registration for free event? This will determine whether to display the pending payment option
+		if ($current_status !== EEM_Registration::status_id_pending_payment
+			&& EEH_Money::compare_floats($this->_registration->ticket()->price(), 0.00)
+		) {
+			unset($reg_status_array[ EEM_Registration::status_id_pending_payment ]);
+		}
+		return $this->getStatusModel()->localized_status($reg_status_array, false, 'sentence');
+	}
+
+
+	/**
+	 * This method is used when using _REG_ID from request which may or may not be an array of reg_ids.
+	 *
+	 * @param bool $status REG status given for changing registrations to.
+	 * @param bool $notify Whether to send messages notifications or not.
+	 * @return array (array with reg_id(s) updated and whether update was successful.
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	protected function _set_registration_status_from_request($status = false, $notify = false)
+	{
+		if (isset($this->_req_data['reg_status_change_form'])) {
+			$REG_IDs = isset($this->_req_data['reg_status_change_form']['REG_ID'])
+				? (array) $this->_req_data['reg_status_change_form']['REG_ID']
+				: array();
+		} else {
+			$REG_IDs = isset($this->_req_data['_REG_ID'])
+				? (array) $this->_req_data['_REG_ID']
+				: array();
+		}
+		// sanitize $REG_IDs
+		$REG_IDs = array_map('absint', $REG_IDs);
+		// and remove empty entries
+		$REG_IDs = array_filter($REG_IDs);
+
+		$result = $this->_set_registration_status($REG_IDs, $status, $notify);
+
+		/**
+		 * Set and filter $_req_data['_REG_ID'] for any potential future messages notifications.
+		 * Currently this value is used downstream by the _process_resend_registration method.
+		 *
+		 * @param int|array                $registration_ids The registration ids that have had their status changed successfully.
+		 * @param bool                     $status           The status registrations were changed to.
+		 * @param bool                     $success          If the status was changed successfully for all registrations.
+		 * @param Registrations_Admin_Page $admin_page_object
+		 */
+		$this->_req_data['_REG_ID'] = apply_filters(
+			'FHEE__Registrations_Admin_Page___set_registration_status_from_request__REG_IDs',
+			$result['REG_ID'],
+			$status,
+			$result['success'],
+			$this
+		);
+
+		// notify?
+		if ($notify
+			&& $result['success']
+			&& ! empty($this->_req_data['_REG_ID'])
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_send_message',
+				'espresso_registrations_resend_registration'
+			)
+		) {
+			$this->_process_resend_registration();
+		}
+		return $result;
+	}
+
+
+	/**
+	 * Set the registration status for the given reg_id (which may or may not be an array, it gets typecast to an
+	 * array). Note, this method does NOT take care of possible notifications.  That is required by calling code.
+	 *
+	 * @param array  $REG_IDs
+	 * @param string $status
+	 * @param bool   $notify  Used to indicate whether notification was requested or not.  This determines the context
+	 *                        slug sent with setting the registration status.
+	 * @return array (an array with 'success' key representing whether status change was successful, and 'REG_ID' as
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws EntityNotFoundException
+	 * @throws DomainException
+	 */
+	protected function _set_registration_status($REG_IDs = array(), $status = '', $notify = false)
+	{
+		$success = false;
+		// typecast $REG_IDs
+		$REG_IDs = (array) $REG_IDs;
+		if (! empty($REG_IDs)) {
+			$success = true;
+			// set default status if none is passed
+			$status = $status ? $status : EEM_Registration::status_id_pending_payment;
+			$status_context = $notify
+				? Domain::CONTEXT_REGISTRATION_STATUS_CHANGE_REGISTRATION_ADMIN_NOTIFY
+				: Domain::CONTEXT_REGISTRATION_STATUS_CHANGE_REGISTRATION_ADMIN;
+			// loop through REG_ID's and change status
+			foreach ($REG_IDs as $REG_ID) {
+				$registration = $this->getRegistrationModel()->get_one_by_ID($REG_ID);
+				if ($registration instanceof EE_Registration) {
+					$registration->set_status(
+						$status,
+						false,
+						new Context(
+							$status_context,
+							esc_html__(
+								'Manually triggered status change on a Registration Admin Page route.',
+								'event_espresso'
+							)
+						)
+					);
+					$result = $registration->save();
+					// verifying explicit fails because update *may* just return 0 for 0 rows affected
+					$success = $result !== false ? $success : false;
+				}
+			}
+		}
+
+		// return $success and processed registrations
+		return array('REG_ID' => $REG_IDs, 'success' => $success);
+	}
+
+
+	/**
+	 * Common logic for setting up success message and redirecting to appropriate route
+	 *
+	 * @param string $STS_ID status id for the registration changed to
+	 * @param bool   $notify indicates whether the _set_registration_status_from_request does notifications or not.
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	protected function _reg_status_change_return($STS_ID, $notify = false)
+	{
+		$result = ! empty($STS_ID) ? $this->_set_registration_status_from_request($STS_ID, $notify)
+			: array('success' => false);
+		$success = isset($result['success']) && $result['success'];
+		// setup success message
+		if ($success) {
+			if (is_array($result['REG_ID']) && count($result['REG_ID']) === 1) {
+				$msg = sprintf(
+					esc_html__('Registration status has been set to %s', 'event_espresso'),
+					EEH_Template::pretty_status($STS_ID, false, 'lower')
+				);
+			} else {
+				$msg = sprintf(
+					esc_html__('Registrations have been set to %s.', 'event_espresso'),
+					EEH_Template::pretty_status($STS_ID, false, 'lower')
+				);
+			}
+			EE_Error::add_success($msg);
+		} else {
+			EE_Error::add_error(
+				esc_html__(
+					'Something went wrong, and the status was not changed',
+					'event_espresso'
+				),
+				__FILE__,
+				__LINE__,
+				__FUNCTION__
+			);
+		}
+		if (isset($this->_req_data['return']) && $this->_req_data['return'] === 'view_registration') {
+			$route = array('action' => 'view_registration', '_REG_ID' => reset($result['REG_ID']));
+		} else {
+			$route = array('action' => 'default');
+		}
+		$route = $this->mergeExistingRequestParamsWithRedirectArgs($route);
+		$this->_redirect_after_action($success, '', '', $route, true);
+	}
+
+
+	/**
+	 * incoming reg status change from reg details page.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function _change_reg_status()
+	{
+		$this->_req_data['return'] = 'view_registration';
+		// set notify based on whether the send notifications toggle is set or not
+		$notify = ! empty($this->_req_data['reg_status_change_form']['send_notifications']);
+		// $notify = ! empty( $this->_req_data['txn_reg_status_change']['send_notifications'] );
+		$this->_req_data['reg_status_change_form']['reg_status'] = isset($this->_req_data['reg_status_change_form']['reg_status'])
+			? $this->_req_data['reg_status_change_form']['reg_status'] : '';
+		switch ($this->_req_data['reg_status_change_form']['reg_status']) {
+			case EEM_Registration::status_id_approved:
+			case EEH_Template::pretty_status(EEM_Registration::status_id_approved, false, 'sentence'):
+				$this->approve_registration($notify);
+				break;
+			case EEM_Registration::status_id_pending_payment:
+			case EEH_Template::pretty_status(EEM_Registration::status_id_pending_payment, false, 'sentence'):
+				$this->pending_registration($notify);
+				break;
+			case EEM_Registration::status_id_not_approved:
+			case EEH_Template::pretty_status(EEM_Registration::status_id_not_approved, false, 'sentence'):
+				$this->not_approve_registration($notify);
+				break;
+			case EEM_Registration::status_id_declined:
+			case EEH_Template::pretty_status(EEM_Registration::status_id_declined, false, 'sentence'):
+				$this->decline_registration($notify);
+				break;
+			case EEM_Registration::status_id_cancelled:
+			case EEH_Template::pretty_status(EEM_Registration::status_id_cancelled, false, 'sentence'):
+				$this->cancel_registration($notify);
+				break;
+			case EEM_Registration::status_id_wait_list:
+			case EEH_Template::pretty_status(EEM_Registration::status_id_wait_list, false, 'sentence'):
+				$this->wait_list_registration($notify);
+				break;
+			case EEM_Registration::status_id_incomplete:
+			default:
+				$result['success'] = false;
+				unset($this->_req_data['return']);
+				$this->_reg_status_change_return('', false);
+				break;
+		}
+	}
+
+
+	/**
+	 * Callback for bulk action routes.
+	 * Note: although we could just register the singular route callbacks for each bulk action route as well, this
+	 * method was chosen so there is one central place all the registration status bulk actions are going through.
+	 * Potentially, this provides an easier place to locate logic that is specific to these bulk actions (as opposed to
+	 * when an action is happening on just a single registration).
+	 *
+	 * @param      $action
+	 * @param bool $notify
+	 */
+	protected function bulk_action_on_registrations($action, $notify = false)
+	{
+		do_action(
+			'AHEE__Registrations_Admin_Page__bulk_action_on_registrations__before_execution',
+			$this,
+			$action,
+			$notify
+		);
+		$method = $action . '_registration';
+		if (method_exists($this, $method)) {
+			$this->$method($notify);
+		}
+	}
+
+
+	/**
+	 * approve_registration
+	 *
+	 * @access protected
+	 * @param bool $notify whether or not to notify the registrant about their approval.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function approve_registration($notify = false)
+	{
+		$this->_reg_status_change_return(EEM_Registration::status_id_approved, $notify);
+	}
+
+
+	/**
+	 *        decline_registration
+	 *
+	 * @access protected
+	 * @param bool $notify whether or not to notify the registrant about their status change.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function decline_registration($notify = false)
+	{
+		$this->_reg_status_change_return(EEM_Registration::status_id_declined, $notify);
+	}
+
+
+	/**
+	 *        cancel_registration
+	 *
+	 * @access protected
+	 * @param bool $notify whether or not to notify the registrant about their status change.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function cancel_registration($notify = false)
+	{
+		$this->_reg_status_change_return(EEM_Registration::status_id_cancelled, $notify);
+	}
+
+
+	/**
+	 *        not_approve_registration
+	 *
+	 * @access protected
+	 * @param bool $notify whether or not to notify the registrant about their status change.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function not_approve_registration($notify = false)
+	{
+		$this->_reg_status_change_return(EEM_Registration::status_id_not_approved, $notify);
+	}
+
+
+	/**
+	 *        decline_registration
+	 *
+	 * @access protected
+	 * @param bool $notify whether or not to notify the registrant about their status change.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function pending_registration($notify = false)
+	{
+		$this->_reg_status_change_return(EEM_Registration::status_id_pending_payment, $notify);
+	}
+
+
+	/**
+	 * waitlist_registration
+	 *
+	 * @access protected
+	 * @param bool $notify whether or not to notify the registrant about their status change.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws DomainException
+	 */
+	protected function wait_list_registration($notify = false)
+	{
+		$this->_reg_status_change_return(EEM_Registration::status_id_wait_list, $notify);
+	}
+
+
+	/**
+	 *        generates HTML for the Registration main meta box
+	 *
+	 * @access public
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws EntityNotFoundException
+	 */
+	public function _reg_details_meta_box()
+	{
+		EEH_Autoloader::register_line_item_display_autoloaders();
+		EEH_Autoloader::register_line_item_filter_autoloaders();
+		EE_Registry::instance()->load_helper('Line_Item');
+		$transaction = $this->_registration->transaction() ? $this->_registration->transaction()
+			: EE_Transaction::new_instance();
+		$this->_session = $transaction->session_data();
+		$filters = new EE_Line_Item_Filter_Collection();
+		$filters->add(new EE_Single_Registration_Line_Item_Filter($this->_registration));
+		$filters->add(new EE_Non_Zero_Line_Item_Filter());
+		$line_item_filter_processor = new EE_Line_Item_Filter_Processor(
+			$filters,
+			$transaction->total_line_item()
+		);
+		$filtered_line_item_tree = $line_item_filter_processor->process();
+		$line_item_display = new EE_Line_Item_Display(
+			'reg_admin_table',
+			'EE_Admin_Table_Registration_Line_Item_Display_Strategy'
+		);
+		$this->_template_args['line_item_table'] = $line_item_display->display_line_item(
+			$filtered_line_item_tree,
+			array('EE_Registration' => $this->_registration)
+		);
+		$attendee = $this->_registration->attendee();
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_transaction',
+			'espresso_transactions_view_transaction'
+		)) {
+			$this->_template_args['view_transaction_button'] = EEH_Template::get_button_or_link(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'action' => 'view_transaction',
+						'TXN_ID' => $transaction->ID(),
+					),
+					TXN_ADMIN_URL
+				),
+				esc_html__(' View Transaction', 'event_espresso'),
+				'button secondary-button right',
+				'dashicons dashicons-cart'
+			);
+		} else {
+			$this->_template_args['view_transaction_button'] = '';
+		}
+		if ($attendee instanceof EE_Attendee
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_send_message',
+				'espresso_registrations_resend_registration'
+			)
+		) {
+			$this->_template_args['resend_registration_button'] = EEH_Template::get_button_or_link(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'action'      => 'resend_registration',
+						'_REG_ID'     => $this->_registration->ID(),
+						'redirect_to' => 'view_registration',
+					),
+					REG_ADMIN_URL
+				),
+				esc_html__(' Resend Registration', 'event_espresso'),
+				'button secondary-button right',
+				'dashicons dashicons-email-alt'
+			);
+		} else {
+			$this->_template_args['resend_registration_button'] = '';
+		}
+		$this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
+		$payment = $transaction->get_first_related('Payment');
+		$payment = ! $payment instanceof EE_Payment
+			? EE_Payment::new_instance()
+			: $payment;
+		$payment_method = $payment->get_first_related('Payment_Method');
+		$payment_method = ! $payment_method instanceof EE_Payment_Method
+			? EE_Payment_Method::new_instance()
+			: $payment_method;
+		$reg_details = array(
+			'payment_method'       => $payment_method->name(),
+			'response_msg'         => $payment->gateway_response(),
+			'registration_id'      => $this->_registration->get('REG_code'),
+			'registration_session' => $this->_registration->session_ID(),
+			'ip_address'           => isset($this->_session['ip_address']) ? $this->_session['ip_address'] : '',
+			'user_agent'           => isset($this->_session['user_agent']) ? $this->_session['user_agent'] : '',
+		);
+		if (isset($reg_details['registration_id'])) {
+			$this->_template_args['reg_details']['registration_id']['value'] = $reg_details['registration_id'];
+			$this->_template_args['reg_details']['registration_id']['label'] = esc_html__(
+				'Registration ID',
+				'event_espresso'
+			);
+			$this->_template_args['reg_details']['registration_id']['class'] = 'regular-text';
+		}
+		if (isset($reg_details['payment_method'])) {
+			$this->_template_args['reg_details']['payment_method']['value'] = $reg_details['payment_method'];
+			$this->_template_args['reg_details']['payment_method']['label'] = esc_html__(
+				'Most Recent Payment Method',
+				'event_espresso'
+			);
+			$this->_template_args['reg_details']['payment_method']['class'] = 'regular-text';
+			$this->_template_args['reg_details']['response_msg']['value'] = $reg_details['response_msg'];
+			$this->_template_args['reg_details']['response_msg']['label'] = esc_html__(
+				'Payment method response',
+				'event_espresso'
+			);
+			$this->_template_args['reg_details']['response_msg']['class'] = 'regular-text';
+		}
+		$this->_template_args['reg_details']['registration_session']['value'] = $reg_details['registration_session'];
+		$this->_template_args['reg_details']['registration_session']['label'] = esc_html__(
+			'Registration Session',
+			'event_espresso'
+		);
+		$this->_template_args['reg_details']['registration_session']['class'] = 'regular-text';
+		$this->_template_args['reg_details']['ip_address']['value'] = $reg_details['ip_address'];
+		$this->_template_args['reg_details']['ip_address']['label'] = esc_html__(
+			'Registration placed from IP',
+			'event_espresso'
+		);
+		$this->_template_args['reg_details']['ip_address']['class'] = 'regular-text';
+		$this->_template_args['reg_details']['user_agent']['value'] = $reg_details['user_agent'];
+		$this->_template_args['reg_details']['user_agent']['label'] = esc_html__(
+			'Registrant User Agent',
+			'event_espresso'
+		);
+		$this->_template_args['reg_details']['user_agent']['class'] = 'large-text';
+		$this->_template_args['event_link'] = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action'   => 'default',
+				'event_id' => $this->_registration->event_ID(),
+			),
+			REG_ADMIN_URL
+		);
+		$this->_template_args['REG_ID'] = $this->_registration->ID();
+		$this->_template_args['event_id'] = $this->_registration->event_ID();
+		$template_path =
+			REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_reg_details.template.php';
+		echo EEH_Template::display_template($template_path, $this->_template_args, true);
+	}
+
+
+	/**
+	 * generates HTML for the Registration Questions meta box.
+	 * If pre-4.8.32.rc.000 hooks are used, uses old methods (with its filters),
+	 * otherwise uses new forms system
+	 *
+	 * @access public
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function _reg_questions_meta_box()
+	{
+		// allow someone to override this method entirely
+		if (apply_filters(
+			'FHEE__Registrations_Admin_Page___reg_questions_meta_box__do_default',
+			true,
+			$this,
+			$this->_registration
+		)) {
+			$form = $this->_get_reg_custom_questions_form(
+				$this->_registration->ID()
+			);
+			$this->_template_args['att_questions'] = count($form->subforms()) > 0
+				? $form->get_html_and_js()
+				: '';
+			$this->_template_args['reg_questions_form_action'] = 'edit_registration';
+			$this->_template_args['REG_ID'] = $this->_registration->ID();
+			$template_path =
+				REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_reg_questions.template.php';
+			echo EEH_Template::display_template($template_path, $this->_template_args, true);
+		}
+	}
+
+
+	/**
+	 * form_before_question_group
+	 *
+	 * @deprecated    as of 4.8.32.rc.000
+	 * @access        public
+	 * @param        string $output
+	 * @return        string
+	 */
+	public function form_before_question_group($output)
+	{
+		EE_Error::doing_it_wrong(
+			__CLASS__ . '::' . __FUNCTION__,
+			esc_html__(
+				'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
+				'event_espresso'
+			),
+			'4.8.32.rc.000'
+		);
+		return '
 	<table class="form-table ee-width-100">
 		<tbody>
 			';
-    }
-
-
-    /**
-     * form_after_question_group
-     *
-     * @deprecated    as of 4.8.32.rc.000
-     * @access        public
-     * @param        string $output
-     * @return        string
-     */
-    public function form_after_question_group($output)
-    {
-        EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
-            esc_html__(
-                'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
-                'event_espresso'
-            ),
-            '4.8.32.rc.000'
-        );
-        return '
+	}
+
+
+	/**
+	 * form_after_question_group
+	 *
+	 * @deprecated    as of 4.8.32.rc.000
+	 * @access        public
+	 * @param        string $output
+	 * @return        string
+	 */
+	public function form_after_question_group($output)
+	{
+		EE_Error::doing_it_wrong(
+			__CLASS__ . '::' . __FUNCTION__,
+			esc_html__(
+				'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
+				'event_espresso'
+			),
+			'4.8.32.rc.000'
+		);
+		return '
 			<tr class="hide-if-no-js">
 				<th> </th>
 				<td class="reg-admin-edit-attendee-question-td">
 					<a class="reg-admin-edit-attendee-question-lnk" href="#" title="'
-               . esc_attr__('click to edit question', 'event_espresso')
-               . '">
+			   . esc_attr__('click to edit question', 'event_espresso')
+			   . '">
 						<span class="reg-admin-edit-question-group-spn lt-grey-txt">'
-               . esc_html__('edit the above question group', 'event_espresso')
-               . '</span>
+			   . esc_html__('edit the above question group', 'event_espresso')
+			   . '</span>
 						<div class="dashicons dashicons-edit"></div>
 					</a>
 				</td>
@@ -2250,644 +2250,644 @@ 
 		</tbody>
 	</table>
 ';
-    }
-
-
-    /**
-     * form_form_field_label_wrap
-     *
-     * @deprecated    as of 4.8.32.rc.000
-     * @access        public
-     * @param        string $label
-     * @return        string
-     */
-    public function form_form_field_label_wrap($label)
-    {
-        EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
-            esc_html__(
-                'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
-                'event_espresso'
-            ),
-            '4.8.32.rc.000'
-        );
-        return '
+	}
+
+
+	/**
+	 * form_form_field_label_wrap
+	 *
+	 * @deprecated    as of 4.8.32.rc.000
+	 * @access        public
+	 * @param        string $label
+	 * @return        string
+	 */
+	public function form_form_field_label_wrap($label)
+	{
+		EE_Error::doing_it_wrong(
+			__CLASS__ . '::' . __FUNCTION__,
+			esc_html__(
+				'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
+				'event_espresso'
+			),
+			'4.8.32.rc.000'
+		);
+		return '
 			<tr>
 				<th>
 					' . $label . '
 				</th>';
-    }
-
-
-    /**
-     * form_form_field_input__wrap
-     *
-     * @deprecated    as of 4.8.32.rc.000
-     * @access        public
-     * @param        string $input
-     * @return        string
-     */
-    public function form_form_field_input__wrap($input)
-    {
-        EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
-            esc_html__(
-                'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
-                'event_espresso'
-            ),
-            '4.8.32.rc.000'
-        );
-        return '
+	}
+
+
+	/**
+	 * form_form_field_input__wrap
+	 *
+	 * @deprecated    as of 4.8.32.rc.000
+	 * @access        public
+	 * @param        string $input
+	 * @return        string
+	 */
+	public function form_form_field_input__wrap($input)
+	{
+		EE_Error::doing_it_wrong(
+			__CLASS__ . '::' . __FUNCTION__,
+			esc_html__(
+				'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
+				'event_espresso'
+			),
+			'4.8.32.rc.000'
+		);
+		return '
 				<td class="reg-admin-attendee-questions-input-td disabled-input">
 					' . $input . '
 				</td>
 			</tr>';
-    }
-
-
-    /**
-     * Updates the registration's custom questions according to the form info, if the form is submitted.
-     * If it's not a post, the "view_registrations" route will be called next on the SAME request
-     * to display the page
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _update_attendee_registration_form()
-    {
-        do_action('AHEE__Registrations_Admin_Page___update_attendee_registration_form__start', $this);
-        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
-            $REG_ID = isset($this->_req_data['_REG_ID']) ? absint($this->_req_data['_REG_ID']) : false;
-            $success = $this->_save_reg_custom_questions_form($REG_ID);
-            if ($success) {
-                $what = esc_html__('Registration Form', 'event_espresso');
-                $route = $REG_ID ? array('action' => 'view_registration', '_REG_ID' => $REG_ID)
-                    : array('action' => 'default');
-                $this->_redirect_after_action($success, $what, esc_html__('updated', 'event_espresso'), $route);
-            }
-        }
-    }
-
-
-    /**
-     * Gets the form for saving registrations custom questions (if done
-     * previously retrieves the cached form object, which may have validation errors in it)
-     *
-     * @param int $REG_ID
-     * @return EE_Registration_Custom_Questions_Form
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_reg_custom_questions_form($REG_ID)
-    {
-        if (! $this->_reg_custom_questions_form) {
-            require_once(REG_ADMIN . 'form_sections/EE_Registration_Custom_Questions_Form.form.php');
-            $this->_reg_custom_questions_form = new EE_Registration_Custom_Questions_Form(
-                $this->getRegistrationModel()->get_one_by_ID($REG_ID)
-            );
-            $this->_reg_custom_questions_form->_construct_finalize(null, null);
-        }
-        return $this->_reg_custom_questions_form;
-    }
-
-
-    /**
-     * Saves
-     *
-     * @access private
-     * @param bool $REG_ID
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    private function _save_reg_custom_questions_form($REG_ID = false)
-    {
-        if (! $REG_ID) {
-            EE_Error::add_error(
-                esc_html__(
-                    'An error occurred. No registration ID was received.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        $form = $this->_get_reg_custom_questions_form($REG_ID);
-        $form->receive_form_submission($this->_req_data);
-        $success = false;
-        if ($form->is_valid()) {
-            foreach ($form->subforms() as $question_group_id => $question_group_form) {
-                foreach ($question_group_form->inputs() as $question_id => $input) {
-                    $where_conditions = array(
-                        'QST_ID' => $question_id,
-                        'REG_ID' => $REG_ID,
-                    );
-                    $possibly_new_values = array(
-                        'ANS_value' => $input->normalized_value(),
-                    );
-                    $answer = EEM_Answer::instance()->get_one(array($where_conditions));
-                    if ($answer instanceof EE_Answer) {
-                        $success = $answer->save($possibly_new_values);
-                    } else {
-                        // insert it then
-                        $cols_n_vals = array_merge($where_conditions, $possibly_new_values);
-                        $answer = EE_Answer::new_instance($cols_n_vals);
-                        $success = $answer->save();
-                    }
-                }
-            }
-        } else {
-            EE_Error::add_error($form->get_validation_error_string(), __FILE__, __FUNCTION__, __LINE__);
-        }
-        return $success;
-    }
-
-
-    /**
-     *        generates HTML for the Registration main meta box
-     *
-     * @access public
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function _reg_attendees_meta_box()
-    {
-        $REG = $this->getRegistrationModel();
-        // get all other registrations on this transaction, and cache
-        // the attendees for them so we don't have to run another query using force_join
-        $registrations = $REG->get_all(
-            array(
-                array(
-                    'TXN_ID' => $this->_registration->transaction_ID(),
-                    'REG_ID' => array('!=', $this->_registration->ID()),
-                ),
-                'force_join' => array('Attendee'),
-                'default_where_conditions' => 'other_models_only',
-            )
-        );
-        $this->_template_args['attendees'] = array();
-        $this->_template_args['attendee_notice'] = '';
-        if (empty($registrations)
-            || (is_array($registrations)
-                && ! EEH_Array::get_one_item_from_array($registrations))
-        ) {
-            EE_Error::add_error(
-                esc_html__(
-                    'There are no records attached to this registration. Something may have gone wrong with the registration',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_template_args['attendee_notice'] = EE_Error::get_notices();
-        } else {
-            $att_nmbr = 1;
-            foreach ($registrations as $registration) {
-                /* @var $registration EE_Registration */
-                $attendee = $registration->attendee()
-                    ? $registration->attendee()
-                    : $this->getAttendeeModel()->create_default_object();
-                $this->_template_args['attendees'][ $att_nmbr ]['STS_ID'] = $registration->status_ID();
-                $this->_template_args['attendees'][ $att_nmbr ]['fname'] = $attendee->fname();
-                $this->_template_args['attendees'][ $att_nmbr ]['lname'] = $attendee->lname();
-                $this->_template_args['attendees'][ $att_nmbr ]['email'] = $attendee->email();
-                $this->_template_args['attendees'][ $att_nmbr ]['final_price'] = $registration->final_price();
-                $this->_template_args['attendees'][ $att_nmbr ]['address'] = implode(
-                    ', ',
-                    $attendee->full_address_as_array()
-                );
-                $this->_template_args['attendees'][ $att_nmbr ]['att_link'] = self::add_query_args_and_nonce(
-                    array(
-                        'action' => 'edit_attendee',
-                        'post'   => $attendee->ID(),
-                    ),
-                    REG_ADMIN_URL
-                );
-                $this->_template_args['attendees'][ $att_nmbr ]['event_name'] = $registration->event_obj() instanceof EE_Event
-                    ? $registration->event_obj()->name()
-                    : '';
-                $att_nmbr++;
-            }
-            $this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
-        }
-        $template_path = REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_attendees.template.php';
-        echo EEH_Template::display_template($template_path, $this->_template_args, true);
-    }
-
-
-    /**
-     *        generates HTML for the Edit Registration side meta box
-     *
-     * @access public
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function _reg_registrant_side_meta_box()
-    {
-        /*@var $attendee EE_Attendee */
-        $att_check = $this->_registration->attendee();
-        $attendee = $att_check instanceof EE_Attendee
-            ? $att_check
-            : $this->getAttendeeModel()->create_default_object();
-        // now let's determine if this is not the primary registration.  If it isn't then we set the
-        // primary_registration object for reference BUT ONLY if the Attendee object loaded is not the same as the
-        // primary registration object (that way we know if we need to show create button or not)
-        if (! $this->_registration->is_primary_registrant()) {
-            $primary_registration = $this->_registration->get_primary_registration();
-            $primary_attendee = $primary_registration instanceof EE_Registration ? $primary_registration->attendee()
-                : null;
-            if (! $primary_attendee instanceof EE_Attendee || $attendee->ID() !== $primary_attendee->ID()) {
-                // in here?  This means the displayed registration is not the primary registrant but ALREADY HAS its own
-                // custom attendee object so let's not worry about the primary reg.
-                $primary_registration = null;
-            }
-        } else {
-            $primary_registration = null;
-        }
-        $this->_template_args['ATT_ID'] = $attendee->ID();
-        $this->_template_args['fname'] = $attendee->fname();
-        $this->_template_args['lname'] = $attendee->lname();
-        $this->_template_args['email'] = $attendee->email();
-        $this->_template_args['phone'] = $attendee->phone();
-        $this->_template_args['formatted_address'] = EEH_Address::format($attendee);
-        // edit link
-        $this->_template_args['att_edit_link'] = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'edit_attendee',
-                'post'   => $attendee->ID(),
-            ),
-            REG_ADMIN_URL
-        );
-        $this->_template_args['att_edit_label'] = esc_html__('View/Edit Contact', 'event_espresso');
-        // create link
-        $this->_template_args['create_link'] = $primary_registration instanceof EE_Registration
-            ? EE_Admin_Page::add_query_args_and_nonce(
-                array(
-                    'action'  => 'duplicate_attendee',
-                    '_REG_ID' => $this->_registration->ID(),
-                ),
-                REG_ADMIN_URL
-            ) : '';
-        $this->_template_args['create_label'] = esc_html__('Create Contact', 'event_espresso');
-        $this->_template_args['att_check'] = $att_check;
-        $template_path = REG_TEMPLATE_PATH . 'reg_admin_details_side_meta_box_registrant.template.php';
-        echo EEH_Template::display_template($template_path, $this->_template_args, true);
-    }
-
-
-    /**
-     * trash or restore registrations
-     *
-     * @param  boolean $trash whether to archive or restore
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws RuntimeException
-     * @access protected
-     */
-    protected function _trash_or_restore_registrations($trash = true)
-    {
-        // if empty _REG_ID then get out because there's nothing to do
-        if (empty($this->_req_data['_REG_ID'])) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'In order to %1$s registrations you must select which ones you wish to %1$s by clicking the checkboxes.',
-                        'event_espresso'
-                    ),
-                    $trash ? 'trash' : 'restore'
-                ),
-                __FILE__,
-                __LINE__,
-                __FUNCTION__
-            );
-            $this->_redirect_after_action(false, '', '', array(), true);
-        }
-        $success = 0;
-        $overwrite_msgs = false;
-        // Checkboxes
-        if (! is_array($this->_req_data['_REG_ID'])) {
-            $this->_req_data['_REG_ID'] = array($this->_req_data['_REG_ID']);
-        }
-        $reg_count = count($this->_req_data['_REG_ID']);
-        // cycle thru checkboxes
-        foreach ($this->_req_data['_REG_ID'] as $REG_ID) {
-            /** @var EE_Registration $REG */
-            $REG = $this->getRegistrationModel()->get_one_by_ID($REG_ID);
-            $payments = $REG->registration_payments();
-            if (! empty($payments)) {
-                $name = $REG->attendee() instanceof EE_Attendee
-                    ? $REG->attendee()->full_name()
-                    : esc_html__('Unknown Attendee', 'event_espresso');
-                $overwrite_msgs = true;
-                EE_Error::add_error(
-                    sprintf(
-                        esc_html__(
-                            'The registration for %s could not be trashed because it has payments attached to the related transaction.  If you wish to trash this registration you must first delete the payments on the related transaction.',
-                            'event_espresso'
-                        ),
-                        $name
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                // can't trash this registration because it has payments.
-                continue;
-            }
-            $updated = $trash ? $REG->delete() : $REG->restore();
-            if ($updated) {
-                $success++;
-            }
-        }
-        $this->_redirect_after_action(
-            $success === $reg_count, // were ALL registrations affected?
-            $success > 1
-                ? esc_html__('Registrations', 'event_espresso')
-                : esc_html__('Registration', 'event_espresso'),
-            $trash
-                ? esc_html__('moved to the trash', 'event_espresso')
-                : esc_html__('restored', 'event_espresso'),
-            $this->mergeExistingRequestParamsWithRedirectArgs(array('action' => 'default')),
-            $overwrite_msgs
-        );
-    }
-
-
-    /**
-     * This is used to permanently delete registrations.  Note, this will handle not only deleting permanently the
-     * registration but also.
-     * 1. Removing relations to EE_Attendee
-     * 2. Deleting permanently the related transaction, but ONLY if all related registrations to the transaction are
-     * ALSO trashed.
-     * 3. Deleting permanently any related Line items but only if the above conditions are met.
-     * 4. Removing relationships between all tickets and the related registrations
-     * 5. Deleting permanently any related Answers (and the answers for other related registrations that were deleted.)
-     * 6. Deleting permanently any related Checkins.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _delete_registrations()
-    {
-        $REG_MDL = $this->getRegistrationModel();
-        $success = 1;
-        // Checkboxes
-        if (! empty($this->_req_data['_REG_ID']) && is_array($this->_req_data['_REG_ID'])) {
-            // if array has more than one element than success message should be plural
-            $success = count($this->_req_data['_REG_ID']) > 1 ? 2 : 1;
-            // cycle thru checkboxes
-            foreach ($this->_req_data['_REG_ID'] as $REG_ID) {
-                $REG = $REG_MDL->get_one_by_ID($REG_ID);
-                if (! $REG instanceof EE_Registration) {
-                    continue;
-                }
-                $deleted = $this->_delete_registration($REG);
-                if (! $deleted) {
-                    $success = 0;
-                }
-            }
-        } else {
-            // grab single id and delete
-            $REG_ID = $this->_req_data['_REG_ID'];
-            /** @var EE_Registration $REG */
-            $REG = $REG_MDL->get_one_by_ID($REG_ID);
-            $deleted = $this->_delete_registration($REG);
-            if (! $deleted) {
-                $success = 0;
-            }
-        }
-        $what = $success > 1
-            ? esc_html__('Registrations', 'event_espresso')
-            : esc_html__('Registration', 'event_espresso');
-        $action_desc = esc_html__('permanently deleted.', 'event_espresso');
-        $this->_redirect_after_action(
-            $success,
-            $what,
-            $action_desc,
-            $this->mergeExistingRequestParamsWithRedirectArgs(['action' => 'default']),
-            true
-        );
-    }
-
-
-    /**
-     * handles the permanent deletion of a registration.  See comments with _delete_registrations() for details on what
-     * models get affected.
-     *
-     * @param EE_Registration $REG registration to be deleted permanently
-     * @return bool true = successful deletion, false = fail.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _delete_registration(EE_Registration $REG)
-    {
-        // first we start with the transaction... ultimately, we WILL not delete permanently if there are any related
-        // registrations on the transaction that are NOT trashed.
-        $TXN = $REG->get_first_related('Transaction');
-        if (! $TXN instanceof EE_Transaction) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'Unable to permanently delete registration %d because its related transaction has already been deleted. If you can restore the related transaction to the database then this registration can be deleted.',
-                        'event_espresso'
-                    ),
-                    $REG->id()
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        $REGS = $TXN->get_many_related('Registration');
-        $all_trashed = true;
-        foreach ($REGS as $registration) {
-            if (! $registration->get('REG_deleted')) {
-                $all_trashed = false;
-            }
-        }
-        if (! $all_trashed) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Unable to permanently delete this registration. Before this registration can be permanently deleted, all registrations made in the same transaction must be trashed as well.  These registrations will be permanently deleted in the same action.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        // k made it here so that means we can delete all the related transactions and their answers (but let's do them
-        // separately from THIS one).
-        foreach ($REGS as $registration) {
-            // delete related answers
-            $registration->delete_related_permanently('Answer');
-            // remove relationship to EE_Attendee (but we ALWAYS leave the contact record intact)
-            $attendee = $registration->get_first_related('Attendee');
-            if ($attendee instanceof EE_Attendee) {
-                $registration->_remove_relation_to($attendee, 'Attendee');
-            }
-            // now remove relationships to tickets on this registration.
-            $registration->_remove_relations('Ticket');
-            // now delete permanently the checkins related to this registration.
-            $registration->delete_related_permanently('Checkin');
-            if ($registration->ID() === $REG->ID()) {
-                continue;
-            } //we don't want to delete permanently the existing registration just yet.
-            // remove relation to transaction for these registrations if NOT the existing registrations
-            $registration->_remove_relations('Transaction');
-            // delete permanently any related messages.
-            $registration->delete_related_permanently('Message');
-            // now delete this registration permanently
-            $registration->delete_permanently();
-        }
-        // now all related registrations on the transaction are handled.  So let's just handle this registration itself
-        // (the transaction and line items should be all that's left).
-        // delete the line items related to the transaction for this registration.
-        $TXN->delete_related_permanently('Line_Item');
-        // we need to remove all the relationships on the transaction
-        $TXN->delete_related_permanently('Payment');
-        $TXN->delete_related_permanently('Extra_Meta');
-        $TXN->delete_related_permanently('Message');
-        // now we can delete this REG permanently (and the transaction of course)
-        $REG->delete_related_permanently('Transaction');
-        return $REG->delete_permanently();
-    }
-
-
-    /**
-     *    generates HTML for the Register New Attendee Admin page
-     *
-     * @access private
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function new_registration()
-    {
-        if (! $this->_set_reg_event()) {
-            throw new EE_Error(
-                esc_html__(
-                    'Unable to continue with registering because there is no Event ID in the request',
-                    'event_espresso'
-                )
-            );
-        }
-        /** @var CurrentPage $current_page */
-        $current_page = $this->loader->getShared(CurrentPage::class);
-        $current_page->setEspressoPage(true);
-        // gotta start with a clean slate if we're not coming here via ajax
-        if (! defined('DOING_AJAX')
-            && (! isset($this->_req_data['processing_registration']) || isset($this->_req_data['step_error']))
-        ) {
-            EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-        }
-        $this->_template_args['event_name'] = '';
-        // event name
-        if ($this->_reg_event) {
-            $this->_template_args['event_name'] = $this->_reg_event->name();
-            $edit_event_url = self::add_query_args_and_nonce(
-                array(
-                    'action' => 'edit',
-                    'post'   => $this->_reg_event->ID(),
-                ),
-                EVENTS_ADMIN_URL
-            );
-            $edit_event_lnk = '<a href="'
-                              . $edit_event_url
-                              . '" title="'
-                              . esc_attr__('Edit ', 'event_espresso')
-                              . $this->_reg_event->name()
-                              . '">'
-                              . esc_html__('Edit Event', 'event_espresso')
-                              . '</a>';
-            $this->_template_args['event_name'] .= ' <span class="admin-page-header-edit-lnk not-bold">'
-                                                   . $edit_event_lnk
-                                                   . '</span>';
-        }
-        $this->_template_args['step_content'] = $this->_get_registration_step_content();
-        if (defined('DOING_AJAX')) {
-            $this->_return_json();
-        }
-        // grab header
-        $template_path =
-            REG_TEMPLATE_PATH . 'reg_admin_register_new_attendee.template.php';
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $template_path,
-            $this->_template_args,
-            true
-        );
-        // $this->_set_publish_post_box_vars( NULL, FALSE, FALSE, NULL, FALSE );
-        // the details template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     * This returns the content for a registration step
-     *
-     * @access protected
-     * @return string html
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_registration_step_content()
-    {
-        if (isset($_COOKIE['ee_registration_added']) && $_COOKIE['ee_registration_added']) {
-            $warning_msg = sprintf(
-                esc_html__(
-                    '%2$sWARNING!!!%3$s%1$sPlease do not use the back button to return to this page for the purpose of adding another registration.%1$sThis can result in lost and/or corrupted data.%1$sIf you wish to add another registration, then please click the%1$s%7$s"Add Another New Registration to Event"%8$s button%1$son the Transaction details page, after you are redirected.%1$s%1$s%4$s redirecting in %5$s seconds %6$s',
-                    'event_espresso'
-                ),
-                '<br />',
-                '<h3 class="important-notice">',
-                '</h3>',
-                '<div class="float-right">',
-                '<span id="redirect_timer" class="important-notice">30</span>',
-                '</div>',
-                '<b>',
-                '</b>'
-            );
-            return '
+	}
+
+
+	/**
+	 * Updates the registration's custom questions according to the form info, if the form is submitted.
+	 * If it's not a post, the "view_registrations" route will be called next on the SAME request
+	 * to display the page
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _update_attendee_registration_form()
+	{
+		do_action('AHEE__Registrations_Admin_Page___update_attendee_registration_form__start', $this);
+		if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+			$REG_ID = isset($this->_req_data['_REG_ID']) ? absint($this->_req_data['_REG_ID']) : false;
+			$success = $this->_save_reg_custom_questions_form($REG_ID);
+			if ($success) {
+				$what = esc_html__('Registration Form', 'event_espresso');
+				$route = $REG_ID ? array('action' => 'view_registration', '_REG_ID' => $REG_ID)
+					: array('action' => 'default');
+				$this->_redirect_after_action($success, $what, esc_html__('updated', 'event_espresso'), $route);
+			}
+		}
+	}
+
+
+	/**
+	 * Gets the form for saving registrations custom questions (if done
+	 * previously retrieves the cached form object, which may have validation errors in it)
+	 *
+	 * @param int $REG_ID
+	 * @return EE_Registration_Custom_Questions_Form
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_reg_custom_questions_form($REG_ID)
+	{
+		if (! $this->_reg_custom_questions_form) {
+			require_once(REG_ADMIN . 'form_sections/EE_Registration_Custom_Questions_Form.form.php');
+			$this->_reg_custom_questions_form = new EE_Registration_Custom_Questions_Form(
+				$this->getRegistrationModel()->get_one_by_ID($REG_ID)
+			);
+			$this->_reg_custom_questions_form->_construct_finalize(null, null);
+		}
+		return $this->_reg_custom_questions_form;
+	}
+
+
+	/**
+	 * Saves
+	 *
+	 * @access private
+	 * @param bool $REG_ID
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	private function _save_reg_custom_questions_form($REG_ID = false)
+	{
+		if (! $REG_ID) {
+			EE_Error::add_error(
+				esc_html__(
+					'An error occurred. No registration ID was received.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		$form = $this->_get_reg_custom_questions_form($REG_ID);
+		$form->receive_form_submission($this->_req_data);
+		$success = false;
+		if ($form->is_valid()) {
+			foreach ($form->subforms() as $question_group_id => $question_group_form) {
+				foreach ($question_group_form->inputs() as $question_id => $input) {
+					$where_conditions = array(
+						'QST_ID' => $question_id,
+						'REG_ID' => $REG_ID,
+					);
+					$possibly_new_values = array(
+						'ANS_value' => $input->normalized_value(),
+					);
+					$answer = EEM_Answer::instance()->get_one(array($where_conditions));
+					if ($answer instanceof EE_Answer) {
+						$success = $answer->save($possibly_new_values);
+					} else {
+						// insert it then
+						$cols_n_vals = array_merge($where_conditions, $possibly_new_values);
+						$answer = EE_Answer::new_instance($cols_n_vals);
+						$success = $answer->save();
+					}
+				}
+			}
+		} else {
+			EE_Error::add_error($form->get_validation_error_string(), __FILE__, __FUNCTION__, __LINE__);
+		}
+		return $success;
+	}
+
+
+	/**
+	 *        generates HTML for the Registration main meta box
+	 *
+	 * @access public
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function _reg_attendees_meta_box()
+	{
+		$REG = $this->getRegistrationModel();
+		// get all other registrations on this transaction, and cache
+		// the attendees for them so we don't have to run another query using force_join
+		$registrations = $REG->get_all(
+			array(
+				array(
+					'TXN_ID' => $this->_registration->transaction_ID(),
+					'REG_ID' => array('!=', $this->_registration->ID()),
+				),
+				'force_join' => array('Attendee'),
+				'default_where_conditions' => 'other_models_only',
+			)
+		);
+		$this->_template_args['attendees'] = array();
+		$this->_template_args['attendee_notice'] = '';
+		if (empty($registrations)
+			|| (is_array($registrations)
+				&& ! EEH_Array::get_one_item_from_array($registrations))
+		) {
+			EE_Error::add_error(
+				esc_html__(
+					'There are no records attached to this registration. Something may have gone wrong with the registration',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_template_args['attendee_notice'] = EE_Error::get_notices();
+		} else {
+			$att_nmbr = 1;
+			foreach ($registrations as $registration) {
+				/* @var $registration EE_Registration */
+				$attendee = $registration->attendee()
+					? $registration->attendee()
+					: $this->getAttendeeModel()->create_default_object();
+				$this->_template_args['attendees'][ $att_nmbr ]['STS_ID'] = $registration->status_ID();
+				$this->_template_args['attendees'][ $att_nmbr ]['fname'] = $attendee->fname();
+				$this->_template_args['attendees'][ $att_nmbr ]['lname'] = $attendee->lname();
+				$this->_template_args['attendees'][ $att_nmbr ]['email'] = $attendee->email();
+				$this->_template_args['attendees'][ $att_nmbr ]['final_price'] = $registration->final_price();
+				$this->_template_args['attendees'][ $att_nmbr ]['address'] = implode(
+					', ',
+					$attendee->full_address_as_array()
+				);
+				$this->_template_args['attendees'][ $att_nmbr ]['att_link'] = self::add_query_args_and_nonce(
+					array(
+						'action' => 'edit_attendee',
+						'post'   => $attendee->ID(),
+					),
+					REG_ADMIN_URL
+				);
+				$this->_template_args['attendees'][ $att_nmbr ]['event_name'] = $registration->event_obj() instanceof EE_Event
+					? $registration->event_obj()->name()
+					: '';
+				$att_nmbr++;
+			}
+			$this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
+		}
+		$template_path = REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_attendees.template.php';
+		echo EEH_Template::display_template($template_path, $this->_template_args, true);
+	}
+
+
+	/**
+	 *        generates HTML for the Edit Registration side meta box
+	 *
+	 * @access public
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function _reg_registrant_side_meta_box()
+	{
+		/*@var $attendee EE_Attendee */
+		$att_check = $this->_registration->attendee();
+		$attendee = $att_check instanceof EE_Attendee
+			? $att_check
+			: $this->getAttendeeModel()->create_default_object();
+		// now let's determine if this is not the primary registration.  If it isn't then we set the
+		// primary_registration object for reference BUT ONLY if the Attendee object loaded is not the same as the
+		// primary registration object (that way we know if we need to show create button or not)
+		if (! $this->_registration->is_primary_registrant()) {
+			$primary_registration = $this->_registration->get_primary_registration();
+			$primary_attendee = $primary_registration instanceof EE_Registration ? $primary_registration->attendee()
+				: null;
+			if (! $primary_attendee instanceof EE_Attendee || $attendee->ID() !== $primary_attendee->ID()) {
+				// in here?  This means the displayed registration is not the primary registrant but ALREADY HAS its own
+				// custom attendee object so let's not worry about the primary reg.
+				$primary_registration = null;
+			}
+		} else {
+			$primary_registration = null;
+		}
+		$this->_template_args['ATT_ID'] = $attendee->ID();
+		$this->_template_args['fname'] = $attendee->fname();
+		$this->_template_args['lname'] = $attendee->lname();
+		$this->_template_args['email'] = $attendee->email();
+		$this->_template_args['phone'] = $attendee->phone();
+		$this->_template_args['formatted_address'] = EEH_Address::format($attendee);
+		// edit link
+		$this->_template_args['att_edit_link'] = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'edit_attendee',
+				'post'   => $attendee->ID(),
+			),
+			REG_ADMIN_URL
+		);
+		$this->_template_args['att_edit_label'] = esc_html__('View/Edit Contact', 'event_espresso');
+		// create link
+		$this->_template_args['create_link'] = $primary_registration instanceof EE_Registration
+			? EE_Admin_Page::add_query_args_and_nonce(
+				array(
+					'action'  => 'duplicate_attendee',
+					'_REG_ID' => $this->_registration->ID(),
+				),
+				REG_ADMIN_URL
+			) : '';
+		$this->_template_args['create_label'] = esc_html__('Create Contact', 'event_espresso');
+		$this->_template_args['att_check'] = $att_check;
+		$template_path = REG_TEMPLATE_PATH . 'reg_admin_details_side_meta_box_registrant.template.php';
+		echo EEH_Template::display_template($template_path, $this->_template_args, true);
+	}
+
+
+	/**
+	 * trash or restore registrations
+	 *
+	 * @param  boolean $trash whether to archive or restore
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws RuntimeException
+	 * @access protected
+	 */
+	protected function _trash_or_restore_registrations($trash = true)
+	{
+		// if empty _REG_ID then get out because there's nothing to do
+		if (empty($this->_req_data['_REG_ID'])) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'In order to %1$s registrations you must select which ones you wish to %1$s by clicking the checkboxes.',
+						'event_espresso'
+					),
+					$trash ? 'trash' : 'restore'
+				),
+				__FILE__,
+				__LINE__,
+				__FUNCTION__
+			);
+			$this->_redirect_after_action(false, '', '', array(), true);
+		}
+		$success = 0;
+		$overwrite_msgs = false;
+		// Checkboxes
+		if (! is_array($this->_req_data['_REG_ID'])) {
+			$this->_req_data['_REG_ID'] = array($this->_req_data['_REG_ID']);
+		}
+		$reg_count = count($this->_req_data['_REG_ID']);
+		// cycle thru checkboxes
+		foreach ($this->_req_data['_REG_ID'] as $REG_ID) {
+			/** @var EE_Registration $REG */
+			$REG = $this->getRegistrationModel()->get_one_by_ID($REG_ID);
+			$payments = $REG->registration_payments();
+			if (! empty($payments)) {
+				$name = $REG->attendee() instanceof EE_Attendee
+					? $REG->attendee()->full_name()
+					: esc_html__('Unknown Attendee', 'event_espresso');
+				$overwrite_msgs = true;
+				EE_Error::add_error(
+					sprintf(
+						esc_html__(
+							'The registration for %s could not be trashed because it has payments attached to the related transaction.  If you wish to trash this registration you must first delete the payments on the related transaction.',
+							'event_espresso'
+						),
+						$name
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				// can't trash this registration because it has payments.
+				continue;
+			}
+			$updated = $trash ? $REG->delete() : $REG->restore();
+			if ($updated) {
+				$success++;
+			}
+		}
+		$this->_redirect_after_action(
+			$success === $reg_count, // were ALL registrations affected?
+			$success > 1
+				? esc_html__('Registrations', 'event_espresso')
+				: esc_html__('Registration', 'event_espresso'),
+			$trash
+				? esc_html__('moved to the trash', 'event_espresso')
+				: esc_html__('restored', 'event_espresso'),
+			$this->mergeExistingRequestParamsWithRedirectArgs(array('action' => 'default')),
+			$overwrite_msgs
+		);
+	}
+
+
+	/**
+	 * This is used to permanently delete registrations.  Note, this will handle not only deleting permanently the
+	 * registration but also.
+	 * 1. Removing relations to EE_Attendee
+	 * 2. Deleting permanently the related transaction, but ONLY if all related registrations to the transaction are
+	 * ALSO trashed.
+	 * 3. Deleting permanently any related Line items but only if the above conditions are met.
+	 * 4. Removing relationships between all tickets and the related registrations
+	 * 5. Deleting permanently any related Answers (and the answers for other related registrations that were deleted.)
+	 * 6. Deleting permanently any related Checkins.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _delete_registrations()
+	{
+		$REG_MDL = $this->getRegistrationModel();
+		$success = 1;
+		// Checkboxes
+		if (! empty($this->_req_data['_REG_ID']) && is_array($this->_req_data['_REG_ID'])) {
+			// if array has more than one element than success message should be plural
+			$success = count($this->_req_data['_REG_ID']) > 1 ? 2 : 1;
+			// cycle thru checkboxes
+			foreach ($this->_req_data['_REG_ID'] as $REG_ID) {
+				$REG = $REG_MDL->get_one_by_ID($REG_ID);
+				if (! $REG instanceof EE_Registration) {
+					continue;
+				}
+				$deleted = $this->_delete_registration($REG);
+				if (! $deleted) {
+					$success = 0;
+				}
+			}
+		} else {
+			// grab single id and delete
+			$REG_ID = $this->_req_data['_REG_ID'];
+			/** @var EE_Registration $REG */
+			$REG = $REG_MDL->get_one_by_ID($REG_ID);
+			$deleted = $this->_delete_registration($REG);
+			if (! $deleted) {
+				$success = 0;
+			}
+		}
+		$what = $success > 1
+			? esc_html__('Registrations', 'event_espresso')
+			: esc_html__('Registration', 'event_espresso');
+		$action_desc = esc_html__('permanently deleted.', 'event_espresso');
+		$this->_redirect_after_action(
+			$success,
+			$what,
+			$action_desc,
+			$this->mergeExistingRequestParamsWithRedirectArgs(['action' => 'default']),
+			true
+		);
+	}
+
+
+	/**
+	 * handles the permanent deletion of a registration.  See comments with _delete_registrations() for details on what
+	 * models get affected.
+	 *
+	 * @param EE_Registration $REG registration to be deleted permanently
+	 * @return bool true = successful deletion, false = fail.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _delete_registration(EE_Registration $REG)
+	{
+		// first we start with the transaction... ultimately, we WILL not delete permanently if there are any related
+		// registrations on the transaction that are NOT trashed.
+		$TXN = $REG->get_first_related('Transaction');
+		if (! $TXN instanceof EE_Transaction) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'Unable to permanently delete registration %d because its related transaction has already been deleted. If you can restore the related transaction to the database then this registration can be deleted.',
+						'event_espresso'
+					),
+					$REG->id()
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		$REGS = $TXN->get_many_related('Registration');
+		$all_trashed = true;
+		foreach ($REGS as $registration) {
+			if (! $registration->get('REG_deleted')) {
+				$all_trashed = false;
+			}
+		}
+		if (! $all_trashed) {
+			EE_Error::add_error(
+				esc_html__(
+					'Unable to permanently delete this registration. Before this registration can be permanently deleted, all registrations made in the same transaction must be trashed as well.  These registrations will be permanently deleted in the same action.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		// k made it here so that means we can delete all the related transactions and their answers (but let's do them
+		// separately from THIS one).
+		foreach ($REGS as $registration) {
+			// delete related answers
+			$registration->delete_related_permanently('Answer');
+			// remove relationship to EE_Attendee (but we ALWAYS leave the contact record intact)
+			$attendee = $registration->get_first_related('Attendee');
+			if ($attendee instanceof EE_Attendee) {
+				$registration->_remove_relation_to($attendee, 'Attendee');
+			}
+			// now remove relationships to tickets on this registration.
+			$registration->_remove_relations('Ticket');
+			// now delete permanently the checkins related to this registration.
+			$registration->delete_related_permanently('Checkin');
+			if ($registration->ID() === $REG->ID()) {
+				continue;
+			} //we don't want to delete permanently the existing registration just yet.
+			// remove relation to transaction for these registrations if NOT the existing registrations
+			$registration->_remove_relations('Transaction');
+			// delete permanently any related messages.
+			$registration->delete_related_permanently('Message');
+			// now delete this registration permanently
+			$registration->delete_permanently();
+		}
+		// now all related registrations on the transaction are handled.  So let's just handle this registration itself
+		// (the transaction and line items should be all that's left).
+		// delete the line items related to the transaction for this registration.
+		$TXN->delete_related_permanently('Line_Item');
+		// we need to remove all the relationships on the transaction
+		$TXN->delete_related_permanently('Payment');
+		$TXN->delete_related_permanently('Extra_Meta');
+		$TXN->delete_related_permanently('Message');
+		// now we can delete this REG permanently (and the transaction of course)
+		$REG->delete_related_permanently('Transaction');
+		return $REG->delete_permanently();
+	}
+
+
+	/**
+	 *    generates HTML for the Register New Attendee Admin page
+	 *
+	 * @access private
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function new_registration()
+	{
+		if (! $this->_set_reg_event()) {
+			throw new EE_Error(
+				esc_html__(
+					'Unable to continue with registering because there is no Event ID in the request',
+					'event_espresso'
+				)
+			);
+		}
+		/** @var CurrentPage $current_page */
+		$current_page = $this->loader->getShared(CurrentPage::class);
+		$current_page->setEspressoPage(true);
+		// gotta start with a clean slate if we're not coming here via ajax
+		if (! defined('DOING_AJAX')
+			&& (! isset($this->_req_data['processing_registration']) || isset($this->_req_data['step_error']))
+		) {
+			EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+		}
+		$this->_template_args['event_name'] = '';
+		// event name
+		if ($this->_reg_event) {
+			$this->_template_args['event_name'] = $this->_reg_event->name();
+			$edit_event_url = self::add_query_args_and_nonce(
+				array(
+					'action' => 'edit',
+					'post'   => $this->_reg_event->ID(),
+				),
+				EVENTS_ADMIN_URL
+			);
+			$edit_event_lnk = '<a href="'
+							  . $edit_event_url
+							  . '" title="'
+							  . esc_attr__('Edit ', 'event_espresso')
+							  . $this->_reg_event->name()
+							  . '">'
+							  . esc_html__('Edit Event', 'event_espresso')
+							  . '</a>';
+			$this->_template_args['event_name'] .= ' <span class="admin-page-header-edit-lnk not-bold">'
+												   . $edit_event_lnk
+												   . '</span>';
+		}
+		$this->_template_args['step_content'] = $this->_get_registration_step_content();
+		if (defined('DOING_AJAX')) {
+			$this->_return_json();
+		}
+		// grab header
+		$template_path =
+			REG_TEMPLATE_PATH . 'reg_admin_register_new_attendee.template.php';
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$template_path,
+			$this->_template_args,
+			true
+		);
+		// $this->_set_publish_post_box_vars( NULL, FALSE, FALSE, NULL, FALSE );
+		// the details template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 * This returns the content for a registration step
+	 *
+	 * @access protected
+	 * @return string html
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_registration_step_content()
+	{
+		if (isset($_COOKIE['ee_registration_added']) && $_COOKIE['ee_registration_added']) {
+			$warning_msg = sprintf(
+				esc_html__(
+					'%2$sWARNING!!!%3$s%1$sPlease do not use the back button to return to this page for the purpose of adding another registration.%1$sThis can result in lost and/or corrupted data.%1$sIf you wish to add another registration, then please click the%1$s%7$s"Add Another New Registration to Event"%8$s button%1$son the Transaction details page, after you are redirected.%1$s%1$s%4$s redirecting in %5$s seconds %6$s',
+					'event_espresso'
+				),
+				'<br />',
+				'<h3 class="important-notice">',
+				'</h3>',
+				'<div class="float-right">',
+				'<span id="redirect_timer" class="important-notice">30</span>',
+				'</div>',
+				'<b>',
+				'</b>'
+			);
+			return '
 	<div id="ee-add-reg-back-button-dv"><p>' . $warning_msg . '</p></div>
 	<script >
 		// WHOAH !!! it appears that someone is using the back button from the Transaction admin page
@@ -2900,870 +2900,870 @@ 
 	        }
 	    }, 800 );
 	</script >';
-        }
-        $template_args = array(
-            'title'                    => '',
-            'content'                  => '',
-            'step_button_text'         => '',
-            'show_notification_toggle' => false,
-        );
-        // to indicate we're processing a new registration
-        $hidden_fields = array(
-            'processing_registration' => array(
-                'type'  => 'hidden',
-                'value' => 0,
-            ),
-            'event_id'                => array(
-                'type'  => 'hidden',
-                'value' => $this->_reg_event->ID(),
-            ),
-        );
-        // if the cart is empty then we know we're at step one so we'll display ticket selector
-        $cart = EE_Registry::instance()->SSN->cart();
-        $step = ! $cart instanceof EE_Cart ? 'ticket' : 'questions';
-        switch ($step) {
-            case 'ticket':
-                $hidden_fields['processing_registration']['value'] = 1;
-                $template_args['title'] = esc_html__(
-                    'Step One: Select the Ticket for this registration',
-                    'event_espresso'
-                );
-                $template_args['content'] =
-                    EED_Ticket_Selector::instance()->display_ticket_selector($this->_reg_event);
-                $template_args['content'] .= '</div>';
-                $template_args['step_button_text'] = esc_html__(
-                    'Add Tickets and Continue to Registrant Details',
-                    'event_espresso'
-                );
-                $template_args['show_notification_toggle'] = false;
-                break;
-            case 'questions':
-                $hidden_fields['processing_registration']['value'] = 2;
-                $template_args['title'] = esc_html__(
-                    'Step Two: Add Registrant Details for this Registration',
-                    'event_espresso'
-                );
-                // in theory we should be able to run EED_SPCO at this point because the cart should have been setup
-                // properly by the first process_reg_step run.
-                $template_args['content'] =
-                    EED_Single_Page_Checkout::registration_checkout_for_admin();
-                $template_args['step_button_text'] = esc_html__(
-                    'Save Registration and Continue to Details',
-                    'event_espresso'
-                );
-                $template_args['show_notification_toggle'] = true;
-                break;
-        }
-        // we come back to the process_registration_step route.
-        $this->_set_add_edit_form_tags('process_reg_step', $hidden_fields);
-        return EEH_Template::display_template(
-            REG_TEMPLATE_PATH . 'reg_admin_register_new_attendee_step_content.template.php',
-            $template_args,
-            true
-        );
-    }
-
-
-    /**
-     *        set_reg_event
-     *
-     * @access private
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _set_reg_event()
-    {
-        if (is_object($this->_reg_event)) {
-            return true;
-        }
-        $EVT_ID = (! empty($this->_req_data['event_id'])) ? absint($this->_req_data['event_id']) : false;
-        if (! $EVT_ID) {
-            return false;
-        }
-        $this->_reg_event = $this->getEventModel()->get_one_by_ID($EVT_ID);
-        return true;
-    }
-
-
-    /**
-     * process_reg_step
-     *
-     * @access        public
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public function process_reg_step()
-    {
-        EE_System::do_not_cache();
-        $this->_set_reg_event();
-        /** @var CurrentPage $current_page */
-        $current_page = $this->loader->getShared(CurrentPage::class);
-        $current_page->setEspressoPage(true);
-        $this->request->setRequestParam('uts', time());
-        // what step are we on?
-        $cart = EE_Registry::instance()->SSN->cart();
-        $step = ! $cart instanceof EE_Cart ? 'ticket' : 'questions';
-        // if doing ajax then we need to verify the nonce
-        if (defined('DOING_AJAX')) {
-            $nonce = isset($this->_req_data[ $this->_req_nonce ])
-                ? sanitize_text_field($this->_req_data[ $this->_req_nonce ]) : '';
-            $this->_verify_nonce($nonce, $this->_req_nonce);
-        }
-        switch ($step) {
-            case 'ticket':
-                // process ticket selection
-                $success = EED_Ticket_Selector::instance()->process_ticket_selections();
-                if ($success) {
-                    EE_Error::add_success(
-                        esc_html__(
-                            'Tickets Selected. Now complete the registration.',
-                            'event_espresso'
-                        )
-                    );
-                } else {
-                    $query_args['step_error'] = $this->_req_data['step_error'] = true;
-                }
-                if (defined('DOING_AJAX')) {
-                    $this->new_registration(); // display next step
-                } else {
-                    $query_args = array(
-                        'action'                  => 'new_registration',
-                        'processing_registration' => 1,
-                        'event_id'                => $this->_reg_event->ID(),
-                        'uts'                     => time(),
-                    );
-                    $this->_redirect_after_action(
-                        false,
-                        '',
-                        '',
-                        $query_args,
-                        true
-                    );
-                }
-                break;
-            case 'questions':
-                if (! isset(
-                    $this->_req_data['txn_reg_status_change'],
-                    $this->_req_data['txn_reg_status_change']['send_notifications']
-                )
-                ) {
-                    add_filter('FHEE__EED_Messages___maybe_registration__deliver_notifications', '__return_false', 15);
-                }
-                // process registration
-                $transaction = EED_Single_Page_Checkout::instance()->process_registration_from_admin();
-                if ($cart instanceof EE_Cart) {
-                    $grand_total = $cart->get_cart_grand_total();
-                    if ($grand_total instanceof EE_Line_Item) {
-                        $grand_total->save_this_and_descendants_to_txn();
-                    }
-                }
-                if (! $transaction instanceof EE_Transaction) {
-                    $query_args = array(
-                        'action'                  => 'new_registration',
-                        'processing_registration' => 2,
-                        'event_id'                => $this->_reg_event->ID(),
-                        'uts'                     => time(),
-                    );
-                    if (defined('DOING_AJAX')) {
-                        // display registration form again because there are errors (maybe validation?)
-                        $this->new_registration();
-                        return;
-                    }
-                    $this->_redirect_after_action(
-                        false,
-                        '',
-                        '',
-                        $query_args,
-                        true
-                    );
-                    return;
-                }
-                // maybe update status, and make sure to save transaction if not done already
-                if (! $transaction->update_status_based_on_total_paid()) {
-                    $transaction->save();
-                }
-                EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-                $this->_req_data = array();
-                $query_args = array(
-                    'action'        => 'redirect_to_txn',
-                    'TXN_ID'        => $transaction->ID(),
-                    'EVT_ID'        => $this->_reg_event->ID(),
-                    'event_name'    => urlencode($this->_reg_event->name()),
-                    'redirect_from' => 'new_registration',
-                );
-                $this->_redirect_after_action(false, '', '', $query_args, true);
-                break;
-        }
-        // what are you looking here for?  Should be nothing to do at this point.
-    }
-
-
-    /**
-     * redirect_to_txn
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function redirect_to_txn()
-    {
-        EE_System::do_not_cache();
-        EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-        $query_args = array(
-            'action' => 'view_transaction',
-            'TXN_ID' => isset($this->_req_data['TXN_ID']) ? absint($this->_req_data['TXN_ID']) : 0,
-            'page'   => 'espresso_transactions',
-        );
-        if (isset($this->_req_data['EVT_ID'], $this->_req_data['redirect_from'])) {
-            $query_args['EVT_ID'] = $this->_req_data['EVT_ID'];
-            $query_args['event_name'] = urlencode($this->_req_data['event_name']);
-            $query_args['redirect_from'] = $this->_req_data['redirect_from'];
-        }
-        EE_Error::add_success(
-            esc_html__(
-                'Registration Created.  Please review the transaction and add any payments as necessary',
-                'event_espresso'
-            )
-        );
-        $this->_redirect_after_action(false, '', '', $query_args, true);
-    }
-
-
-    /**
-     *        generates HTML for the Attendee Contact List
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _attendee_contact_list_table()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $this->_search_btn_label = esc_html__('Contacts', 'event_espresso');
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    /**
-     *        get_attendees
-     *
-     * @param      $per_page
-     * @param bool $count whether to return count or data.
-     * @param bool $trash
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @access public
-     */
-    public function get_attendees($per_page, $count = false, $trash = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        require_once(REG_ADMIN . 'EE_Attendee_Contact_List_Table.class.php');
-        $this->_req_data['orderby'] = ! empty($this->_req_data['orderby']) ? $this->_req_data['orderby'] : '';
-        switch ($this->_req_data['orderby']) {
-            case 'ATT_ID':
-                $orderby = 'ATT_ID';
-                break;
-            case 'ATT_fname':
-                $orderby = 'ATT_fname';
-                break;
-            case 'ATT_email':
-                $orderby = 'ATT_email';
-                break;
-            case 'ATT_city':
-                $orderby = 'ATT_city';
-                break;
-            case 'STA_ID':
-                $orderby = 'STA_ID';
-                break;
-            case 'CNT_ID':
-                $orderby = 'CNT_ID';
-                break;
-            case 'Registration_Count':
-                $orderby = 'Registration_Count';
-                break;
-            default:
-                $orderby = 'ATT_lname';
-        }
-        $sort = (isset($this->_req_data['order']) && ! empty($this->_req_data['order']))
-            ? $this->_req_data['order']
-            : 'ASC';
-        $current_page = isset($this->_req_data['paged']) && ! empty($this->_req_data['paged'])
-            ? $this->_req_data['paged']
-            : 1;
-        $per_page = isset($per_page) && ! empty($per_page) ? $per_page : 10;
-        $per_page = isset($this->_req_data['perpage']) && ! empty($this->_req_data['perpage'])
-            ? $this->_req_data['perpage']
-            : $per_page;
-        $_where = array();
-        if (! empty($this->_req_data['s'])) {
-            $sstr = '%' . $this->_req_data['s'] . '%';
-            $_where['OR'] = array(
-                'Registration.Event.EVT_name'       => array('LIKE', $sstr),
-                'Registration.Event.EVT_desc'       => array('LIKE', $sstr),
-                'Registration.Event.EVT_short_desc' => array('LIKE', $sstr),
-                'ATT_fname'                         => array('LIKE', $sstr),
-                'ATT_lname'                         => array('LIKE', $sstr),
-                'ATT_short_bio'                     => array('LIKE', $sstr),
-                'ATT_email'                         => array('LIKE', $sstr),
-                'ATT_address'                       => array('LIKE', $sstr),
-                'ATT_address2'                      => array('LIKE', $sstr),
-                'ATT_city'                          => array('LIKE', $sstr),
-                'Country.CNT_name'                  => array('LIKE', $sstr),
-                'State.STA_name'                    => array('LIKE', $sstr),
-                'ATT_phone'                         => array('LIKE', $sstr),
-                'Registration.REG_final_price'      => array('LIKE', $sstr),
-                'Registration.REG_code'             => array('LIKE', $sstr),
-                'Registration.REG_group_size'       => array('LIKE', $sstr),
-            );
-        }
-        $offset = ($current_page - 1) * $per_page;
-        $limit = $count ? null : array($offset, $per_page);
-        $query_args = array(
-            $_where,
-            'extra_selects' => array('Registration_Count' => array('Registration.REG_ID', 'count', '%d')),
-            'limit'         => $limit,
-        );
-        if (! $count) {
-            $query_args['order_by'] = array($orderby => $sort);
-        }
-        if ($trash) {
-            $query_args[0]['status'] = array('!=', 'publish');
-            $all_attendees = $count
-                ? $this->getAttendeeModel()->count($query_args, 'ATT_ID', true)
-                : $this->getAttendeeModel()->get_all($query_args);
-        } else {
-            $query_args[0]['status'] = array('IN', array('publish'));
-            $all_attendees = $count
-                ? $this->getAttendeeModel()->count($query_args, 'ATT_ID', true)
-                : $this->getAttendeeModel()->get_all($query_args);
-        }
-        return $all_attendees;
-    }
-
-
-    /**
-     * This is just taking care of resending the registration confirmation
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _resend_registration()
-    {
-        $this->_process_resend_registration();
-        $query_args = isset($this->_req_data['redirect_to'])
-            ? array('action' => $this->_req_data['redirect_to'], '_REG_ID' => $this->_req_data['_REG_ID'])
-            : array('action' => 'default');
-        $this->_redirect_after_action(false, '', '', $query_args, true);
-    }
-
-    /**
-     * Creates a registration report, but accepts the name of a method to use for preparing the query parameters
-     * to use when selecting registrations
-     *
-     * @param string $method_name_for_getting_query_params the name of the method (on this class) to use for preparing
-     *                                                     the query parameters from the request
-     * @return void ends the request with a redirect or download
-     */
-    public function _registrations_report_base($method_name_for_getting_query_params)
-    {
-        if (! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
-            wp_redirect(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'page'        => 'espresso_batch',
-                        'batch'       => 'file',
-                        'EVT_ID'      => isset($this->_req_data['EVT_ID']) ? $this->_req_data['EVT_ID'] : null,
-                        'filters'     => urlencode(
-                            serialize(
-                                $this->$method_name_for_getting_query_params(
-                                    EEH_Array::is_set(
-                                        $this->_req_data,
-                                        'filters',
-                                        array()
-                                    )
-                                )
-                            )
-                        ),
-                        'use_filters' => EEH_Array::is_set($this->_req_data, 'use_filters', false),
-                        'job_handler' => urlencode('EventEspressoBatchRequest\JobHandlers\RegistrationsReport'),
-                        'return_url'  => urlencode($this->_req_data['return_url']),
-                    )
-                )
-            );
-        } else {
-            $new_request_args = array(
-                'export' => 'report',
-                'action' => 'registrations_report_for_event',
-                'EVT_ID' => isset($this->_req_data['EVT_ID']) ? $this->_req_data['EVT_ID'] : null,
-            );
-            $this->_req_data = array_merge($this->_req_data, $new_request_args);
-            if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
-                require_once(EE_CLASSES . 'EE_Export.class.php');
-                $EE_Export = EE_Export::instance($this->_req_data);
-                $EE_Export->export();
-            }
-        }
-    }
-
-
-    /**
-     * Creates a registration report using only query parameters in the request
-     *
-     * @return void
-     */
-    public function _registrations_report()
-    {
-        $this->_registrations_report_base('_get_registration_query_parameters');
-    }
-
-
-    public function _contact_list_export()
-    {
-        if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
-            require_once(EE_CLASSES . 'EE_Export.class.php');
-            $EE_Export = EE_Export::instance($this->_req_data);
-            $EE_Export->export_attendees();
-        }
-    }
-
-
-    public function _contact_list_report()
-    {
-        if (! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
-            wp_redirect(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'page'        => 'espresso_batch',
-                        'batch'       => 'file',
-                        'job_handler' => urlencode('EventEspressoBatchRequest\JobHandlers\AttendeesReport'),
-                        'return_url'  => urlencode($this->_req_data['return_url']),
-                    )
-                )
-            );
-        } else {
-            if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
-                require_once(EE_CLASSES . 'EE_Export.class.php');
-                $EE_Export = EE_Export::instance($this->_req_data);
-                $EE_Export->report_attendees();
-            }
-        }
-    }
-
-
-
-
-
-    /***************************************        ATTENDEE DETAILS        ***************************************/
-    /**
-     * This duplicates the attendee object for the given incoming registration id and attendee_id.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _duplicate_attendee()
-    {
-        $action = ! empty($this->_req_data['return']) ? $this->_req_data['return'] : 'default';
-        // verify we have necessary info
-        if (empty($this->_req_data['_REG_ID'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Unable to create the contact for the registration because the required parameters are not present (_REG_ID )',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __LINE__,
-                __FUNCTION__
-            );
-            $query_args = array('action' => $action);
-            $this->_redirect_after_action('', '', '', $query_args, true);
-        }
-        // okay necessary deets present... let's dupe the incoming attendee and attach to incoming registration.
-        $registration = $this->getRegistrationModel()->get_one_by_ID($this->_req_data['_REG_ID']);
-        $attendee = $registration->attendee();
-        // remove relation of existing attendee on registration
-        $registration->_remove_relation_to($attendee, 'Attendee');
-        // new attendee
-        $new_attendee = clone $attendee;
-        $new_attendee->set('ATT_ID', 0);
-        $new_attendee->save();
-        // add new attendee to reg
-        $registration->_add_relation_to($new_attendee, 'Attendee');
-        EE_Error::add_success(
-            esc_html__(
-                'New Contact record created.  Now make any edits you wish to make for this contact.',
-                'event_espresso'
-            )
-        );
-        // redirect to edit page for attendee
-        $query_args = array('post' => $new_attendee->ID(), 'action' => 'edit_attendee');
-        $this->_redirect_after_action('', '', '', $query_args, true);
-    }
-
-
-    /**
-     * Callback invoked by parent EE_Admin_CPT class hooked in on `save_post` wp hook.
-     *
-     * @param int     $post_id
-     * @param WP_POST $post
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws LogicException
-     * @throws InvalidFormSubmissionException
-     * @throws ReflectionException
-     */
-    protected function _insert_update_cpt_item($post_id, $post)
-    {
-        $success = true;
-        $attendee = $post instanceof WP_Post && $post->post_type === 'espresso_attendees'
-            ? $this->getAttendeeModel()->get_one_by_ID($post_id)
-            : null;
-        // for attendee updates
-        if ($attendee instanceof EE_Attendee) {
-            // note we should only be UPDATING attendees at this point.
-            $updated_fields = array(
-                'ATT_fname'     => $this->_req_data['ATT_fname'],
-                'ATT_lname'     => $this->_req_data['ATT_lname'],
-                'ATT_full_name' => $this->_req_data['ATT_fname'] . ' ' . $this->_req_data['ATT_lname'],
-                'ATT_address'   => isset($this->_req_data['ATT_address']) ? $this->_req_data['ATT_address'] : '',
-                'ATT_address2'  => isset($this->_req_data['ATT_address2']) ? $this->_req_data['ATT_address2'] : '',
-                'ATT_city'      => isset($this->_req_data['ATT_city']) ? $this->_req_data['ATT_city'] : '',
-                'STA_ID'        => isset($this->_req_data['STA_ID']) ? $this->_req_data['STA_ID'] : '',
-                'CNT_ISO'       => isset($this->_req_data['CNT_ISO']) ? $this->_req_data['CNT_ISO'] : '',
-                'ATT_zip'       => isset($this->_req_data['ATT_zip']) ? $this->_req_data['ATT_zip'] : '',
-            );
-            foreach ($updated_fields as $field => $value) {
-                $attendee->set($field, $value);
-            }
-
-            // process contact details metabox form handler (which will also save the attendee)
-            $contact_details_form = $this->getAttendeeContactDetailsMetaboxFormHandler($attendee);
-            $success = $contact_details_form->process($this->_req_data);
-
-            $attendee_update_callbacks = apply_filters(
-                'FHEE__Registrations_Admin_Page__insert_update_cpt_item__attendee_update',
-                array()
-            );
-            foreach ($attendee_update_callbacks as $a_callback) {
-                if (false === call_user_func_array($a_callback, array($attendee, $this->_req_data))) {
-                    throw new EE_Error(
-                        sprintf(
-                            esc_html__(
-                                'The %s callback given for the "FHEE__Registrations_Admin_Page__insert_update_cpt_item__attendee_update" filter is not a valid callback.  Please check the spelling.',
-                                'event_espresso'
-                            ),
-                            $a_callback
-                        )
-                    );
-                }
-            }
-        }
-
-        if ($success === false) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Something went wrong with updating the meta table data for the registration.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-    }
-
-
-    public function trash_cpt_item($post_id)
-    {
-    }
-
-
-    public function delete_cpt_item($post_id)
-    {
-    }
-
-
-    public function restore_cpt_item($post_id)
-    {
-    }
-
-
-    protected function _restore_cpt_item($post_id, $revision_id)
-    {
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @since 4.10.2.p
-     */
-    public function attendee_editor_metaboxes()
-    {
-        $this->verify_cpt_object();
-        remove_meta_box(
-            'postexcerpt',
-            $this->_cpt_routes[ $this->_req_action ],
-            'normal'
-        );
-        remove_meta_box('commentstatusdiv', $this->_cpt_routes[ $this->_req_action ], 'normal', 'core');
-        if (post_type_supports('espresso_attendees', 'excerpt')) {
-            add_meta_box(
-                'postexcerpt',
-                esc_html__('Short Biography', 'event_espresso'),
-                'post_excerpt_meta_box',
-                $this->_cpt_routes[ $this->_req_action ],
-                'normal'
-            );
-        }
-        if (post_type_supports('espresso_attendees', 'comments')) {
-            add_meta_box(
-                'commentsdiv',
-                esc_html__('Notes on the Contact', 'event_espresso'),
-                'post_comment_meta_box',
-                $this->_cpt_routes[ $this->_req_action ],
-                'normal',
-                'core'
-            );
-        }
-        add_meta_box(
-            'attendee_contact_info',
-            esc_html__('Contact Info', 'event_espresso'),
-            array($this, 'attendee_contact_info'),
-            $this->_cpt_routes[ $this->_req_action ],
-            'side',
-            'core'
-        );
-        add_meta_box(
-            'attendee_details_address',
-            esc_html__('Address Details', 'event_espresso'),
-            array($this, 'attendee_address_details'),
-            $this->_cpt_routes[ $this->_req_action ],
-            'normal',
-            'core'
-        );
-        add_meta_box(
-            'attendee_registrations',
-            esc_html__('Registrations for this Contact', 'event_espresso'),
-            array($this, 'attendee_registrations_meta_box'),
-            $this->_cpt_routes[ $this->_req_action ],
-            'normal',
-            'high'
-        );
-    }
-
-
-    /**
-     * Metabox for attendee contact info
-     *
-     * @param  WP_Post $post wp post object
-     * @return string attendee contact info ( and form )
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws LogicException
-     * @throws DomainException
-     */
-    public function attendee_contact_info($post)
-    {
-        // get attendee object ( should already have it )
-        $form = $this->getAttendeeContactDetailsMetaboxFormHandler($this->_cpt_model_obj);
-        $form->enqueueStylesAndScripts();
-        echo $form->display();
-    }
-
-
-    /**
-     * Return form handler for the contact details metabox
-     *
-     * @param EE_Attendee $attendee
-     * @return AttendeeContactDetailsMetaboxFormHandler
-     * @throws DomainException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function getAttendeeContactDetailsMetaboxFormHandler(EE_Attendee $attendee)
-    {
-        return new AttendeeContactDetailsMetaboxFormHandler($attendee, EE_Registry::instance());
-    }
-
-
-    /**
-     * Metabox for attendee details
-     *
-     * @param  WP_Post $post wp post object
-     * @throws DomainException
-     */
-    public function attendee_address_details($post)
-    {
-        // get attendee object (should already have it)
-        $this->_template_args['attendee'] = $this->_cpt_model_obj;
-        $this->_template_args['state_html'] = EEH_Form_Fields::generate_form_input(
-            new EE_Question_Form_Input(
-                EE_Question::new_instance(
-                    array(
-                        'QST_ID'           => 0,
-                        'QST_display_text' => esc_html__('State/Province', 'event_espresso'),
-                        'QST_system'       => 'admin-state',
-                    )
-                ),
-                EE_Answer::new_instance(
-                    array(
-                        'ANS_ID'    => 0,
-                        'ANS_value' => $this->_cpt_model_obj->state_ID(),
-                    )
-                ),
-                array(
-                    'input_id'       => 'STA_ID',
-                    'input_name'     => 'STA_ID',
-                    'input_prefix'   => '',
-                    'append_qstn_id' => false,
-                )
-            )
-        );
-        $this->_template_args['country_html'] = EEH_Form_Fields::generate_form_input(
-            new EE_Question_Form_Input(
-                EE_Question::new_instance(
-                    array(
-                        'QST_ID'           => 0,
-                        'QST_display_text' => esc_html__('Country', 'event_espresso'),
-                        'QST_system'       => 'admin-country',
-                    )
-                ),
-                EE_Answer::new_instance(
-                    array(
-                        'ANS_ID'    => 0,
-                        'ANS_value' => $this->_cpt_model_obj->country_ID(),
-                    )
-                ),
-                array(
-                    'input_id'       => 'CNT_ISO',
-                    'input_name'     => 'CNT_ISO',
-                    'input_prefix'   => '',
-                    'append_qstn_id' => false,
-                )
-            )
-        );
-        $template =
-            REG_TEMPLATE_PATH . 'attendee_address_details_metabox_content.template.php';
-        EEH_Template::display_template($template, $this->_template_args);
-    }
-
-
-    /**
-     *        _attendee_details
-     *
-     * @access protected
-     * @param $post
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function attendee_registrations_meta_box($post)
-    {
-        $this->_template_args['attendee'] = $this->_cpt_model_obj;
-        $this->_template_args['registrations'] = $this->_cpt_model_obj->get_many_related('Registration');
-        $template =
-            REG_TEMPLATE_PATH . 'attendee_registrations_main_meta_box.template.php';
-        EEH_Template::display_template($template, $this->_template_args);
-    }
-
-
-    /**
-     * add in the form fields for the attendee edit
-     *
-     * @param  WP_Post $post wp post object
-     * @return string html for new form.
-     * @throws DomainException
-     */
-    public function after_title_form_fields($post)
-    {
-        if ($post->post_type === 'espresso_attendees') {
-            $template = REG_TEMPLATE_PATH . 'attendee_details_after_title_form_fields.template.php';
-            $template_args['attendee'] = $this->_cpt_model_obj;
-            EEH_Template::display_template($template, $template_args);
-        }
-    }
-
-
-    /**
-     *        _trash_or_restore_attendee
-     *
-     * @param boolean $trash - whether to move item to trash (TRUE) or restore it (FALSE)
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @access protected
-     */
-    protected function _trash_or_restore_attendees($trash = true)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $success = 1;
-        // Checkboxes
-        if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
-            // if array has more than one element than success message should be plural
-            $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
-            // cycle thru checkboxes
-            foreach ($this->_req_data['checkbox'] as $ATT_ID) {
-                $updated = $trash ? $this->getAttendeeModel()->update_by_ID(array('status' => 'trash'), $ATT_ID)
-                    : $this->getAttendeeModel()->update_by_ID(array('status' => 'publish'), $ATT_ID);
-                if (! $updated) {
-                    $success = 0;
-                }
-            }
-        } else {
-            // grab single id and delete
-            $ATT_ID = absint($this->_req_data['ATT_ID']);
-            // get attendee
-            $att = $this->getAttendeeModel()->get_one_by_ID($ATT_ID);
-            $updated = $trash ? $att->set_status('trash') : $att->set_status('publish');
-            $updated = $att->save() && $updated;
-            if (! $updated) {
-                $success = 0;
-            }
-        }
-        $what = $success > 1
-            ? esc_html__('Contacts', 'event_espresso')
-            : esc_html__('Contact', 'event_espresso');
-        $action_desc = $trash
-            ? esc_html__('moved to the trash', 'event_espresso')
-            : esc_html__('restored', 'event_espresso');
-        $this->_redirect_after_action($success, $what, $action_desc, array('action' => 'contact_list'));
-    }
+		}
+		$template_args = array(
+			'title'                    => '',
+			'content'                  => '',
+			'step_button_text'         => '',
+			'show_notification_toggle' => false,
+		);
+		// to indicate we're processing a new registration
+		$hidden_fields = array(
+			'processing_registration' => array(
+				'type'  => 'hidden',
+				'value' => 0,
+			),
+			'event_id'                => array(
+				'type'  => 'hidden',
+				'value' => $this->_reg_event->ID(),
+			),
+		);
+		// if the cart is empty then we know we're at step one so we'll display ticket selector
+		$cart = EE_Registry::instance()->SSN->cart();
+		$step = ! $cart instanceof EE_Cart ? 'ticket' : 'questions';
+		switch ($step) {
+			case 'ticket':
+				$hidden_fields['processing_registration']['value'] = 1;
+				$template_args['title'] = esc_html__(
+					'Step One: Select the Ticket for this registration',
+					'event_espresso'
+				);
+				$template_args['content'] =
+					EED_Ticket_Selector::instance()->display_ticket_selector($this->_reg_event);
+				$template_args['content'] .= '</div>';
+				$template_args['step_button_text'] = esc_html__(
+					'Add Tickets and Continue to Registrant Details',
+					'event_espresso'
+				);
+				$template_args['show_notification_toggle'] = false;
+				break;
+			case 'questions':
+				$hidden_fields['processing_registration']['value'] = 2;
+				$template_args['title'] = esc_html__(
+					'Step Two: Add Registrant Details for this Registration',
+					'event_espresso'
+				);
+				// in theory we should be able to run EED_SPCO at this point because the cart should have been setup
+				// properly by the first process_reg_step run.
+				$template_args['content'] =
+					EED_Single_Page_Checkout::registration_checkout_for_admin();
+				$template_args['step_button_text'] = esc_html__(
+					'Save Registration and Continue to Details',
+					'event_espresso'
+				);
+				$template_args['show_notification_toggle'] = true;
+				break;
+		}
+		// we come back to the process_registration_step route.
+		$this->_set_add_edit_form_tags('process_reg_step', $hidden_fields);
+		return EEH_Template::display_template(
+			REG_TEMPLATE_PATH . 'reg_admin_register_new_attendee_step_content.template.php',
+			$template_args,
+			true
+		);
+	}
+
+
+	/**
+	 *        set_reg_event
+	 *
+	 * @access private
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _set_reg_event()
+	{
+		if (is_object($this->_reg_event)) {
+			return true;
+		}
+		$EVT_ID = (! empty($this->_req_data['event_id'])) ? absint($this->_req_data['event_id']) : false;
+		if (! $EVT_ID) {
+			return false;
+		}
+		$this->_reg_event = $this->getEventModel()->get_one_by_ID($EVT_ID);
+		return true;
+	}
+
+
+	/**
+	 * process_reg_step
+	 *
+	 * @access        public
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public function process_reg_step()
+	{
+		EE_System::do_not_cache();
+		$this->_set_reg_event();
+		/** @var CurrentPage $current_page */
+		$current_page = $this->loader->getShared(CurrentPage::class);
+		$current_page->setEspressoPage(true);
+		$this->request->setRequestParam('uts', time());
+		// what step are we on?
+		$cart = EE_Registry::instance()->SSN->cart();
+		$step = ! $cart instanceof EE_Cart ? 'ticket' : 'questions';
+		// if doing ajax then we need to verify the nonce
+		if (defined('DOING_AJAX')) {
+			$nonce = isset($this->_req_data[ $this->_req_nonce ])
+				? sanitize_text_field($this->_req_data[ $this->_req_nonce ]) : '';
+			$this->_verify_nonce($nonce, $this->_req_nonce);
+		}
+		switch ($step) {
+			case 'ticket':
+				// process ticket selection
+				$success = EED_Ticket_Selector::instance()->process_ticket_selections();
+				if ($success) {
+					EE_Error::add_success(
+						esc_html__(
+							'Tickets Selected. Now complete the registration.',
+							'event_espresso'
+						)
+					);
+				} else {
+					$query_args['step_error'] = $this->_req_data['step_error'] = true;
+				}
+				if (defined('DOING_AJAX')) {
+					$this->new_registration(); // display next step
+				} else {
+					$query_args = array(
+						'action'                  => 'new_registration',
+						'processing_registration' => 1,
+						'event_id'                => $this->_reg_event->ID(),
+						'uts'                     => time(),
+					);
+					$this->_redirect_after_action(
+						false,
+						'',
+						'',
+						$query_args,
+						true
+					);
+				}
+				break;
+			case 'questions':
+				if (! isset(
+					$this->_req_data['txn_reg_status_change'],
+					$this->_req_data['txn_reg_status_change']['send_notifications']
+				)
+				) {
+					add_filter('FHEE__EED_Messages___maybe_registration__deliver_notifications', '__return_false', 15);
+				}
+				// process registration
+				$transaction = EED_Single_Page_Checkout::instance()->process_registration_from_admin();
+				if ($cart instanceof EE_Cart) {
+					$grand_total = $cart->get_cart_grand_total();
+					if ($grand_total instanceof EE_Line_Item) {
+						$grand_total->save_this_and_descendants_to_txn();
+					}
+				}
+				if (! $transaction instanceof EE_Transaction) {
+					$query_args = array(
+						'action'                  => 'new_registration',
+						'processing_registration' => 2,
+						'event_id'                => $this->_reg_event->ID(),
+						'uts'                     => time(),
+					);
+					if (defined('DOING_AJAX')) {
+						// display registration form again because there are errors (maybe validation?)
+						$this->new_registration();
+						return;
+					}
+					$this->_redirect_after_action(
+						false,
+						'',
+						'',
+						$query_args,
+						true
+					);
+					return;
+				}
+				// maybe update status, and make sure to save transaction if not done already
+				if (! $transaction->update_status_based_on_total_paid()) {
+					$transaction->save();
+				}
+				EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+				$this->_req_data = array();
+				$query_args = array(
+					'action'        => 'redirect_to_txn',
+					'TXN_ID'        => $transaction->ID(),
+					'EVT_ID'        => $this->_reg_event->ID(),
+					'event_name'    => urlencode($this->_reg_event->name()),
+					'redirect_from' => 'new_registration',
+				);
+				$this->_redirect_after_action(false, '', '', $query_args, true);
+				break;
+		}
+		// what are you looking here for?  Should be nothing to do at this point.
+	}
+
+
+	/**
+	 * redirect_to_txn
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function redirect_to_txn()
+	{
+		EE_System::do_not_cache();
+		EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+		$query_args = array(
+			'action' => 'view_transaction',
+			'TXN_ID' => isset($this->_req_data['TXN_ID']) ? absint($this->_req_data['TXN_ID']) : 0,
+			'page'   => 'espresso_transactions',
+		);
+		if (isset($this->_req_data['EVT_ID'], $this->_req_data['redirect_from'])) {
+			$query_args['EVT_ID'] = $this->_req_data['EVT_ID'];
+			$query_args['event_name'] = urlencode($this->_req_data['event_name']);
+			$query_args['redirect_from'] = $this->_req_data['redirect_from'];
+		}
+		EE_Error::add_success(
+			esc_html__(
+				'Registration Created.  Please review the transaction and add any payments as necessary',
+				'event_espresso'
+			)
+		);
+		$this->_redirect_after_action(false, '', '', $query_args, true);
+	}
+
+
+	/**
+	 *        generates HTML for the Attendee Contact List
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _attendee_contact_list_table()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$this->_search_btn_label = esc_html__('Contacts', 'event_espresso');
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	/**
+	 *        get_attendees
+	 *
+	 * @param      $per_page
+	 * @param bool $count whether to return count or data.
+	 * @param bool $trash
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @access public
+	 */
+	public function get_attendees($per_page, $count = false, $trash = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		require_once(REG_ADMIN . 'EE_Attendee_Contact_List_Table.class.php');
+		$this->_req_data['orderby'] = ! empty($this->_req_data['orderby']) ? $this->_req_data['orderby'] : '';
+		switch ($this->_req_data['orderby']) {
+			case 'ATT_ID':
+				$orderby = 'ATT_ID';
+				break;
+			case 'ATT_fname':
+				$orderby = 'ATT_fname';
+				break;
+			case 'ATT_email':
+				$orderby = 'ATT_email';
+				break;
+			case 'ATT_city':
+				$orderby = 'ATT_city';
+				break;
+			case 'STA_ID':
+				$orderby = 'STA_ID';
+				break;
+			case 'CNT_ID':
+				$orderby = 'CNT_ID';
+				break;
+			case 'Registration_Count':
+				$orderby = 'Registration_Count';
+				break;
+			default:
+				$orderby = 'ATT_lname';
+		}
+		$sort = (isset($this->_req_data['order']) && ! empty($this->_req_data['order']))
+			? $this->_req_data['order']
+			: 'ASC';
+		$current_page = isset($this->_req_data['paged']) && ! empty($this->_req_data['paged'])
+			? $this->_req_data['paged']
+			: 1;
+		$per_page = isset($per_page) && ! empty($per_page) ? $per_page : 10;
+		$per_page = isset($this->_req_data['perpage']) && ! empty($this->_req_data['perpage'])
+			? $this->_req_data['perpage']
+			: $per_page;
+		$_where = array();
+		if (! empty($this->_req_data['s'])) {
+			$sstr = '%' . $this->_req_data['s'] . '%';
+			$_where['OR'] = array(
+				'Registration.Event.EVT_name'       => array('LIKE', $sstr),
+				'Registration.Event.EVT_desc'       => array('LIKE', $sstr),
+				'Registration.Event.EVT_short_desc' => array('LIKE', $sstr),
+				'ATT_fname'                         => array('LIKE', $sstr),
+				'ATT_lname'                         => array('LIKE', $sstr),
+				'ATT_short_bio'                     => array('LIKE', $sstr),
+				'ATT_email'                         => array('LIKE', $sstr),
+				'ATT_address'                       => array('LIKE', $sstr),
+				'ATT_address2'                      => array('LIKE', $sstr),
+				'ATT_city'                          => array('LIKE', $sstr),
+				'Country.CNT_name'                  => array('LIKE', $sstr),
+				'State.STA_name'                    => array('LIKE', $sstr),
+				'ATT_phone'                         => array('LIKE', $sstr),
+				'Registration.REG_final_price'      => array('LIKE', $sstr),
+				'Registration.REG_code'             => array('LIKE', $sstr),
+				'Registration.REG_group_size'       => array('LIKE', $sstr),
+			);
+		}
+		$offset = ($current_page - 1) * $per_page;
+		$limit = $count ? null : array($offset, $per_page);
+		$query_args = array(
+			$_where,
+			'extra_selects' => array('Registration_Count' => array('Registration.REG_ID', 'count', '%d')),
+			'limit'         => $limit,
+		);
+		if (! $count) {
+			$query_args['order_by'] = array($orderby => $sort);
+		}
+		if ($trash) {
+			$query_args[0]['status'] = array('!=', 'publish');
+			$all_attendees = $count
+				? $this->getAttendeeModel()->count($query_args, 'ATT_ID', true)
+				: $this->getAttendeeModel()->get_all($query_args);
+		} else {
+			$query_args[0]['status'] = array('IN', array('publish'));
+			$all_attendees = $count
+				? $this->getAttendeeModel()->count($query_args, 'ATT_ID', true)
+				: $this->getAttendeeModel()->get_all($query_args);
+		}
+		return $all_attendees;
+	}
+
+
+	/**
+	 * This is just taking care of resending the registration confirmation
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _resend_registration()
+	{
+		$this->_process_resend_registration();
+		$query_args = isset($this->_req_data['redirect_to'])
+			? array('action' => $this->_req_data['redirect_to'], '_REG_ID' => $this->_req_data['_REG_ID'])
+			: array('action' => 'default');
+		$this->_redirect_after_action(false, '', '', $query_args, true);
+	}
+
+	/**
+	 * Creates a registration report, but accepts the name of a method to use for preparing the query parameters
+	 * to use when selecting registrations
+	 *
+	 * @param string $method_name_for_getting_query_params the name of the method (on this class) to use for preparing
+	 *                                                     the query parameters from the request
+	 * @return void ends the request with a redirect or download
+	 */
+	public function _registrations_report_base($method_name_for_getting_query_params)
+	{
+		if (! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
+			wp_redirect(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'page'        => 'espresso_batch',
+						'batch'       => 'file',
+						'EVT_ID'      => isset($this->_req_data['EVT_ID']) ? $this->_req_data['EVT_ID'] : null,
+						'filters'     => urlencode(
+							serialize(
+								$this->$method_name_for_getting_query_params(
+									EEH_Array::is_set(
+										$this->_req_data,
+										'filters',
+										array()
+									)
+								)
+							)
+						),
+						'use_filters' => EEH_Array::is_set($this->_req_data, 'use_filters', false),
+						'job_handler' => urlencode('EventEspressoBatchRequest\JobHandlers\RegistrationsReport'),
+						'return_url'  => urlencode($this->_req_data['return_url']),
+					)
+				)
+			);
+		} else {
+			$new_request_args = array(
+				'export' => 'report',
+				'action' => 'registrations_report_for_event',
+				'EVT_ID' => isset($this->_req_data['EVT_ID']) ? $this->_req_data['EVT_ID'] : null,
+			);
+			$this->_req_data = array_merge($this->_req_data, $new_request_args);
+			if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
+				require_once(EE_CLASSES . 'EE_Export.class.php');
+				$EE_Export = EE_Export::instance($this->_req_data);
+				$EE_Export->export();
+			}
+		}
+	}
+
+
+	/**
+	 * Creates a registration report using only query parameters in the request
+	 *
+	 * @return void
+	 */
+	public function _registrations_report()
+	{
+		$this->_registrations_report_base('_get_registration_query_parameters');
+	}
+
+
+	public function _contact_list_export()
+	{
+		if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
+			require_once(EE_CLASSES . 'EE_Export.class.php');
+			$EE_Export = EE_Export::instance($this->_req_data);
+			$EE_Export->export_attendees();
+		}
+	}
+
+
+	public function _contact_list_report()
+	{
+		if (! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
+			wp_redirect(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'page'        => 'espresso_batch',
+						'batch'       => 'file',
+						'job_handler' => urlencode('EventEspressoBatchRequest\JobHandlers\AttendeesReport'),
+						'return_url'  => urlencode($this->_req_data['return_url']),
+					)
+				)
+			);
+		} else {
+			if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
+				require_once(EE_CLASSES . 'EE_Export.class.php');
+				$EE_Export = EE_Export::instance($this->_req_data);
+				$EE_Export->report_attendees();
+			}
+		}
+	}
+
+
+
+
+
+	/***************************************        ATTENDEE DETAILS        ***************************************/
+	/**
+	 * This duplicates the attendee object for the given incoming registration id and attendee_id.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _duplicate_attendee()
+	{
+		$action = ! empty($this->_req_data['return']) ? $this->_req_data['return'] : 'default';
+		// verify we have necessary info
+		if (empty($this->_req_data['_REG_ID'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Unable to create the contact for the registration because the required parameters are not present (_REG_ID )',
+					'event_espresso'
+				),
+				__FILE__,
+				__LINE__,
+				__FUNCTION__
+			);
+			$query_args = array('action' => $action);
+			$this->_redirect_after_action('', '', '', $query_args, true);
+		}
+		// okay necessary deets present... let's dupe the incoming attendee and attach to incoming registration.
+		$registration = $this->getRegistrationModel()->get_one_by_ID($this->_req_data['_REG_ID']);
+		$attendee = $registration->attendee();
+		// remove relation of existing attendee on registration
+		$registration->_remove_relation_to($attendee, 'Attendee');
+		// new attendee
+		$new_attendee = clone $attendee;
+		$new_attendee->set('ATT_ID', 0);
+		$new_attendee->save();
+		// add new attendee to reg
+		$registration->_add_relation_to($new_attendee, 'Attendee');
+		EE_Error::add_success(
+			esc_html__(
+				'New Contact record created.  Now make any edits you wish to make for this contact.',
+				'event_espresso'
+			)
+		);
+		// redirect to edit page for attendee
+		$query_args = array('post' => $new_attendee->ID(), 'action' => 'edit_attendee');
+		$this->_redirect_after_action('', '', '', $query_args, true);
+	}
+
+
+	/**
+	 * Callback invoked by parent EE_Admin_CPT class hooked in on `save_post` wp hook.
+	 *
+	 * @param int     $post_id
+	 * @param WP_POST $post
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws LogicException
+	 * @throws InvalidFormSubmissionException
+	 * @throws ReflectionException
+	 */
+	protected function _insert_update_cpt_item($post_id, $post)
+	{
+		$success = true;
+		$attendee = $post instanceof WP_Post && $post->post_type === 'espresso_attendees'
+			? $this->getAttendeeModel()->get_one_by_ID($post_id)
+			: null;
+		// for attendee updates
+		if ($attendee instanceof EE_Attendee) {
+			// note we should only be UPDATING attendees at this point.
+			$updated_fields = array(
+				'ATT_fname'     => $this->_req_data['ATT_fname'],
+				'ATT_lname'     => $this->_req_data['ATT_lname'],
+				'ATT_full_name' => $this->_req_data['ATT_fname'] . ' ' . $this->_req_data['ATT_lname'],
+				'ATT_address'   => isset($this->_req_data['ATT_address']) ? $this->_req_data['ATT_address'] : '',
+				'ATT_address2'  => isset($this->_req_data['ATT_address2']) ? $this->_req_data['ATT_address2'] : '',
+				'ATT_city'      => isset($this->_req_data['ATT_city']) ? $this->_req_data['ATT_city'] : '',
+				'STA_ID'        => isset($this->_req_data['STA_ID']) ? $this->_req_data['STA_ID'] : '',
+				'CNT_ISO'       => isset($this->_req_data['CNT_ISO']) ? $this->_req_data['CNT_ISO'] : '',
+				'ATT_zip'       => isset($this->_req_data['ATT_zip']) ? $this->_req_data['ATT_zip'] : '',
+			);
+			foreach ($updated_fields as $field => $value) {
+				$attendee->set($field, $value);
+			}
+
+			// process contact details metabox form handler (which will also save the attendee)
+			$contact_details_form = $this->getAttendeeContactDetailsMetaboxFormHandler($attendee);
+			$success = $contact_details_form->process($this->_req_data);
+
+			$attendee_update_callbacks = apply_filters(
+				'FHEE__Registrations_Admin_Page__insert_update_cpt_item__attendee_update',
+				array()
+			);
+			foreach ($attendee_update_callbacks as $a_callback) {
+				if (false === call_user_func_array($a_callback, array($attendee, $this->_req_data))) {
+					throw new EE_Error(
+						sprintf(
+							esc_html__(
+								'The %s callback given for the "FHEE__Registrations_Admin_Page__insert_update_cpt_item__attendee_update" filter is not a valid callback.  Please check the spelling.',
+								'event_espresso'
+							),
+							$a_callback
+						)
+					);
+				}
+			}
+		}
+
+		if ($success === false) {
+			EE_Error::add_error(
+				esc_html__(
+					'Something went wrong with updating the meta table data for the registration.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+	}
+
+
+	public function trash_cpt_item($post_id)
+	{
+	}
+
+
+	public function delete_cpt_item($post_id)
+	{
+	}
+
+
+	public function restore_cpt_item($post_id)
+	{
+	}
+
+
+	protected function _restore_cpt_item($post_id, $revision_id)
+	{
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @since 4.10.2.p
+	 */
+	public function attendee_editor_metaboxes()
+	{
+		$this->verify_cpt_object();
+		remove_meta_box(
+			'postexcerpt',
+			$this->_cpt_routes[ $this->_req_action ],
+			'normal'
+		);
+		remove_meta_box('commentstatusdiv', $this->_cpt_routes[ $this->_req_action ], 'normal', 'core');
+		if (post_type_supports('espresso_attendees', 'excerpt')) {
+			add_meta_box(
+				'postexcerpt',
+				esc_html__('Short Biography', 'event_espresso'),
+				'post_excerpt_meta_box',
+				$this->_cpt_routes[ $this->_req_action ],
+				'normal'
+			);
+		}
+		if (post_type_supports('espresso_attendees', 'comments')) {
+			add_meta_box(
+				'commentsdiv',
+				esc_html__('Notes on the Contact', 'event_espresso'),
+				'post_comment_meta_box',
+				$this->_cpt_routes[ $this->_req_action ],
+				'normal',
+				'core'
+			);
+		}
+		add_meta_box(
+			'attendee_contact_info',
+			esc_html__('Contact Info', 'event_espresso'),
+			array($this, 'attendee_contact_info'),
+			$this->_cpt_routes[ $this->_req_action ],
+			'side',
+			'core'
+		);
+		add_meta_box(
+			'attendee_details_address',
+			esc_html__('Address Details', 'event_espresso'),
+			array($this, 'attendee_address_details'),
+			$this->_cpt_routes[ $this->_req_action ],
+			'normal',
+			'core'
+		);
+		add_meta_box(
+			'attendee_registrations',
+			esc_html__('Registrations for this Contact', 'event_espresso'),
+			array($this, 'attendee_registrations_meta_box'),
+			$this->_cpt_routes[ $this->_req_action ],
+			'normal',
+			'high'
+		);
+	}
+
+
+	/**
+	 * Metabox for attendee contact info
+	 *
+	 * @param  WP_Post $post wp post object
+	 * @return string attendee contact info ( and form )
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws LogicException
+	 * @throws DomainException
+	 */
+	public function attendee_contact_info($post)
+	{
+		// get attendee object ( should already have it )
+		$form = $this->getAttendeeContactDetailsMetaboxFormHandler($this->_cpt_model_obj);
+		$form->enqueueStylesAndScripts();
+		echo $form->display();
+	}
+
+
+	/**
+	 * Return form handler for the contact details metabox
+	 *
+	 * @param EE_Attendee $attendee
+	 * @return AttendeeContactDetailsMetaboxFormHandler
+	 * @throws DomainException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function getAttendeeContactDetailsMetaboxFormHandler(EE_Attendee $attendee)
+	{
+		return new AttendeeContactDetailsMetaboxFormHandler($attendee, EE_Registry::instance());
+	}
+
+
+	/**
+	 * Metabox for attendee details
+	 *
+	 * @param  WP_Post $post wp post object
+	 * @throws DomainException
+	 */
+	public function attendee_address_details($post)
+	{
+		// get attendee object (should already have it)
+		$this->_template_args['attendee'] = $this->_cpt_model_obj;
+		$this->_template_args['state_html'] = EEH_Form_Fields::generate_form_input(
+			new EE_Question_Form_Input(
+				EE_Question::new_instance(
+					array(
+						'QST_ID'           => 0,
+						'QST_display_text' => esc_html__('State/Province', 'event_espresso'),
+						'QST_system'       => 'admin-state',
+					)
+				),
+				EE_Answer::new_instance(
+					array(
+						'ANS_ID'    => 0,
+						'ANS_value' => $this->_cpt_model_obj->state_ID(),
+					)
+				),
+				array(
+					'input_id'       => 'STA_ID',
+					'input_name'     => 'STA_ID',
+					'input_prefix'   => '',
+					'append_qstn_id' => false,
+				)
+			)
+		);
+		$this->_template_args['country_html'] = EEH_Form_Fields::generate_form_input(
+			new EE_Question_Form_Input(
+				EE_Question::new_instance(
+					array(
+						'QST_ID'           => 0,
+						'QST_display_text' => esc_html__('Country', 'event_espresso'),
+						'QST_system'       => 'admin-country',
+					)
+				),
+				EE_Answer::new_instance(
+					array(
+						'ANS_ID'    => 0,
+						'ANS_value' => $this->_cpt_model_obj->country_ID(),
+					)
+				),
+				array(
+					'input_id'       => 'CNT_ISO',
+					'input_name'     => 'CNT_ISO',
+					'input_prefix'   => '',
+					'append_qstn_id' => false,
+				)
+			)
+		);
+		$template =
+			REG_TEMPLATE_PATH . 'attendee_address_details_metabox_content.template.php';
+		EEH_Template::display_template($template, $this->_template_args);
+	}
+
+
+	/**
+	 *        _attendee_details
+	 *
+	 * @access protected
+	 * @param $post
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function attendee_registrations_meta_box($post)
+	{
+		$this->_template_args['attendee'] = $this->_cpt_model_obj;
+		$this->_template_args['registrations'] = $this->_cpt_model_obj->get_many_related('Registration');
+		$template =
+			REG_TEMPLATE_PATH . 'attendee_registrations_main_meta_box.template.php';
+		EEH_Template::display_template($template, $this->_template_args);
+	}
+
+
+	/**
+	 * add in the form fields for the attendee edit
+	 *
+	 * @param  WP_Post $post wp post object
+	 * @return string html for new form.
+	 * @throws DomainException
+	 */
+	public function after_title_form_fields($post)
+	{
+		if ($post->post_type === 'espresso_attendees') {
+			$template = REG_TEMPLATE_PATH . 'attendee_details_after_title_form_fields.template.php';
+			$template_args['attendee'] = $this->_cpt_model_obj;
+			EEH_Template::display_template($template, $template_args);
+		}
+	}
+
+
+	/**
+	 *        _trash_or_restore_attendee
+	 *
+	 * @param boolean $trash - whether to move item to trash (TRUE) or restore it (FALSE)
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @access protected
+	 */
+	protected function _trash_or_restore_attendees($trash = true)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$success = 1;
+		// Checkboxes
+		if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+			// if array has more than one element than success message should be plural
+			$success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
+			// cycle thru checkboxes
+			foreach ($this->_req_data['checkbox'] as $ATT_ID) {
+				$updated = $trash ? $this->getAttendeeModel()->update_by_ID(array('status' => 'trash'), $ATT_ID)
+					: $this->getAttendeeModel()->update_by_ID(array('status' => 'publish'), $ATT_ID);
+				if (! $updated) {
+					$success = 0;
+				}
+			}
+		} else {
+			// grab single id and delete
+			$ATT_ID = absint($this->_req_data['ATT_ID']);
+			// get attendee
+			$att = $this->getAttendeeModel()->get_one_by_ID($ATT_ID);
+			$updated = $trash ? $att->set_status('trash') : $att->set_status('publish');
+			$updated = $att->save() && $updated;
+			if (! $updated) {
+				$success = 0;
+			}
+		}
+		$what = $success > 1
+			? esc_html__('Contacts', 'event_espresso')
+			: esc_html__('Contact', 'event_espresso');
+		$action_desc = $trash
+			? esc_html__('moved to the trash', 'event_espresso')
+			: esc_html__('restored', 'event_espresso');
+		$this->_redirect_after_action($success, $what, $action_desc, array('action' => 'contact_list'));
+	}
 }

Spacing +97 added lines, -97 removed lines

@@ -88,7 +88,7 @@ 
      */
     protected function getRegistrationModel()
     {
-        if (! $this->registration_model instanceof EEM_Registration) {
+        if ( ! $this->registration_model instanceof EEM_Registration) {
             $this->registration_model = $this->getLoader()->getShared('EEM_Registration');
         }
         return $this->registration_model;
@@ -103,7 +103,7 @@ 
      */
     protected function getAttendeeModel()
     {
-        if (! $this->attendee_model instanceof EEM_Attendee) {
+        if ( ! $this->attendee_model instanceof EEM_Attendee) {
             $this->attendee_model = $this->getLoader()->getShared('EEM_Attendee');
         }
         return $this->attendee_model;
@@ -119,7 +119,7 @@ 
      */
     protected function getEventModel()
     {
-        if (! $this->event_model instanceof EEM_Event) {
+        if ( ! $this->event_model instanceof EEM_Event) {
             $this->event_model = $this->getLoader()->getShared('EEM_Event');
         }
         return $this->event_model;
@@ -134,7 +134,7 @@ 
      */
     protected function getStatusModel()
     {
-        if (! $this->status_model instanceof EEM_Status) {
+        if ( ! $this->status_model instanceof EEM_Status) {
             $this->status_model = $this->getLoader()->getShared('EEM_Status');
         }
         return $this->status_model;
@@ -146,7 +146,7 @@ 
         // when adding a new registration...
         if (isset($this->_req_data['action']) && $this->_req_data['action'] === 'new_registration') {
             EE_System::do_not_cache();
-            if (! isset($this->_req_data['processing_registration'])
+            if ( ! isset($this->_req_data['processing_registration'])
                 || absint($this->_req_data['processing_registration']) !== 1
             ) {
                 // and it's NOT the attendee information reg step
@@ -755,7 +755,7 @@ 
         // style
         wp_register_style(
             'espresso_reg',
-            REG_ASSETS_URL . 'espresso_registrations_admin.css',
+            REG_ASSETS_URL.'espresso_registrations_admin.css',
             array('ee-admin-css'),
             EVENT_ESPRESSO_VERSION
         );
@@ -763,7 +763,7 @@ 
         // script
         wp_register_script(
             'espresso_reg',
-            REG_ASSETS_URL . 'espresso_registrations_admin.js',
+            REG_ASSETS_URL.'espresso_registrations_admin.js',
             array('jquery-ui-datepicker', 'jquery-ui-draggable', 'ee_admin_js'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -787,7 +787,7 @@ 
             'att_publish_text' => sprintf(
                 /* translators: The date and time */
                 wp_strip_all_tags(__('Created on: %s', 'event_espresso')),
-                '<b>' . $this->_cpt_model_obj->get_datetime('ATT_created') . '</b>'
+                '<b>'.$this->_cpt_model_obj->get_datetime('ATT_created').'</b>'
             ),
         );
         wp_localize_script('espresso_reg', 'ATTENDEE_DETAILS', $attendee_details_translations);
@@ -818,7 +818,7 @@ 
         wp_dequeue_style('espresso_reg');
         wp_register_style(
             'espresso_att',
-            REG_ASSETS_URL . 'espresso_attendees_admin.css',
+            REG_ASSETS_URL.'espresso_attendees_admin.css',
             array('ee-admin-css'),
             EVENT_ESPRESSO_VERSION
         );
@@ -830,7 +830,7 @@ 
     {
         wp_register_script(
             'ee-spco-for-admin',
-            REG_ASSETS_URL . 'spco_for_admin.js',
+            REG_ASSETS_URL.'spco_for_admin.js',
             array('underscore', 'jquery'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -1072,7 +1072,7 @@ 
         }
         $sc_items = array(
             'approved_status'   => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_approved,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_approved,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_approved,
                     false,
@@ -1080,7 +1080,7 @@ 
                 ),
             ),
             'pending_status'    => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_pending_payment,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_pending_payment,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_pending_payment,
                     false,
@@ -1088,7 +1088,7 @@ 
                 ),
             ),
             'wait_list'         => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_wait_list,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_wait_list,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_wait_list,
                     false,
@@ -1096,7 +1096,7 @@ 
                 ),
             ),
             'incomplete_status' => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_incomplete,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_incomplete,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_incomplete,
                     false,
@@ -1104,7 +1104,7 @@ 
                 ),
             ),
             'not_approved'      => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_not_approved,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_not_approved,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_not_approved,
                     false,
@@ -1112,7 +1112,7 @@ 
                 ),
             ),
             'declined_status'   => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_declined,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_declined,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_declined,
                     false,
@@ -1120,7 +1120,7 @@ 
                 ),
             ),
             'cancelled_status'  => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Registration::status_id_cancelled,
+                'class' => 'ee-status-legend ee-status-legend-'.EEM_Registration::status_id_cancelled,
                 'desc'  => EEH_Template::pretty_status(
                     EEM_Registration::status_id_cancelled,
                     false,
@@ -1183,7 +1183,7 @@ 
                 $EVT_ID
             )
         ) {
-            $this->_admin_page_title .= ' ' . $this->get_action_link_or_button(
+            $this->_admin_page_title .= ' '.$this->get_action_link_or_button(
                 'new_registration',
                 'add-registrant',
                 array('event_id' => $EVT_ID),
@@ -1209,7 +1209,7 @@ 
         if ($this->_registration instanceof EE_Registration) {
             return true;
         }
-        $REG_ID = (! empty($this->_req_data['_REG_ID'])) ? absint($this->_req_data['_REG_ID']) : false;
+        $REG_ID = ( ! empty($this->_req_data['_REG_ID'])) ? absint($this->_req_data['_REG_ID']) : false;
         if ($this->_registration = $this->getRegistrationModel()->get_one_by_ID($REG_ID)) {
             return true;
         }
@@ -1290,7 +1290,7 @@ 
         /** @var EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder $list_table_query_builder */
         $list_table_query_builder = $this->getLoader()->getNew(
             'EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder',
-            [ $request ]
+            [$request]
         );
         return $list_table_query_builder->getQueryParams($per_page, $count);
     }
@@ -1396,7 +1396,7 @@ 
                 )
                 : '';
             // grab header
-            $template_path = REG_TEMPLATE_PATH . 'reg_admin_details_header.template.php';
+            $template_path = REG_TEMPLATE_PATH.'reg_admin_details_header.template.php';
             $this->_template_args['REG_ID'] = $this->_registration->ID();
             $this->_template_args['admin_page_header'] = EEH_Template::display_template(
                 $template_path,
@@ -1548,7 +1548,7 @@ 
                                 EEH_HTML::strong(
                                     $this->_registration->pretty_status(),
                                     '',
-                                    'status-' . $this->_registration->status_ID(),
+                                    'status-'.$this->_registration->status_ID(),
                                     'line-height: 1em; font-size: 1.5em; font-weight: bold;'
                                 )
                             )
@@ -1604,14 +1604,14 @@ 
     protected function _get_reg_statuses()
     {
         $reg_status_array = $this->getRegistrationModel()->reg_status_array();
-        unset($reg_status_array[ EEM_Registration::status_id_incomplete ]);
+        unset($reg_status_array[EEM_Registration::status_id_incomplete]);
         // get current reg status
         $current_status = $this->_registration->status_ID();
         // is registration for free event? This will determine whether to display the pending payment option
         if ($current_status !== EEM_Registration::status_id_pending_payment
             && EEH_Money::compare_floats($this->_registration->ticket()->price(), 0.00)
         ) {
-            unset($reg_status_array[ EEM_Registration::status_id_pending_payment ]);
+            unset($reg_status_array[EEM_Registration::status_id_pending_payment]);
         }
         return $this->getStatusModel()->localized_status($reg_status_array, false, 'sentence');
     }
@@ -1705,7 +1705,7 @@ 
         $success = false;
         // typecast $REG_IDs
         $REG_IDs = (array) $REG_IDs;
-        if (! empty($REG_IDs)) {
+        if ( ! empty($REG_IDs)) {
             $success = true;
             // set default status if none is passed
             $status = $status ? $status : EEM_Registration::status_id_pending_payment;
@@ -1868,7 +1868,7 @@ 
             $action,
             $notify
         );
-        $method = $action . '_registration';
+        $method = $action.'_registration';
         if (method_exists($this, $method)) {
             $this->$method($notify);
         }
@@ -2147,7 +2147,7 @@ 
         $this->_template_args['REG_ID'] = $this->_registration->ID();
         $this->_template_args['event_id'] = $this->_registration->event_ID();
         $template_path =
-            REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_reg_details.template.php';
+            REG_TEMPLATE_PATH.'reg_admin_details_main_meta_box_reg_details.template.php';
         echo EEH_Template::display_template($template_path, $this->_template_args, true);
     }
 
@@ -2184,7 +2184,7 @@ 
             $this->_template_args['reg_questions_form_action'] = 'edit_registration';
             $this->_template_args['REG_ID'] = $this->_registration->ID();
             $template_path =
-                REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_reg_questions.template.php';
+                REG_TEMPLATE_PATH.'reg_admin_details_main_meta_box_reg_questions.template.php';
             echo EEH_Template::display_template($template_path, $this->_template_args, true);
         }
     }
@@ -2201,7 +2201,7 @@ 
     public function form_before_question_group($output)
     {
         EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
+            __CLASS__.'::'.__FUNCTION__,
             esc_html__(
                 'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
                 'event_espresso'
@@ -2226,7 +2226,7 @@ 
     public function form_after_question_group($output)
     {
         EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
+            __CLASS__.'::'.__FUNCTION__,
             esc_html__(
                 'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
                 'event_espresso'
@@ -2264,7 +2264,7 @@ 
     public function form_form_field_label_wrap($label)
     {
         EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
+            __CLASS__.'::'.__FUNCTION__,
             esc_html__(
                 'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
                 'event_espresso'
@@ -2274,7 +2274,7 @@ 
         return '
 			<tr>
 				<th>
-					' . $label . '
+					' . $label.'
 				</th>';
     }
 
@@ -2290,7 +2290,7 @@ 
     public function form_form_field_input__wrap($input)
     {
         EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
+            __CLASS__.'::'.__FUNCTION__,
             esc_html__(
                 'This method would have been protected but was used on a filter callback so needed to be public. Please discontinue usage as it will be removed soon.',
                 'event_espresso'
@@ -2299,7 +2299,7 @@ 
         );
         return '
 				<td class="reg-admin-attendee-questions-input-td disabled-input">
-					' . $input . '
+					' . $input.'
 				</td>
 			</tr>';
     }
@@ -2347,8 +2347,8 @@ 
      */
     protected function _get_reg_custom_questions_form($REG_ID)
     {
-        if (! $this->_reg_custom_questions_form) {
-            require_once(REG_ADMIN . 'form_sections/EE_Registration_Custom_Questions_Form.form.php');
+        if ( ! $this->_reg_custom_questions_form) {
+            require_once(REG_ADMIN.'form_sections/EE_Registration_Custom_Questions_Form.form.php');
             $this->_reg_custom_questions_form = new EE_Registration_Custom_Questions_Form(
                 $this->getRegistrationModel()->get_one_by_ID($REG_ID)
             );
@@ -2372,7 +2372,7 @@ 
      */
     private function _save_reg_custom_questions_form($REG_ID = false)
     {
-        if (! $REG_ID) {
+        if ( ! $REG_ID) {
             EE_Error::add_error(
                 esc_html__(
                     'An error occurred. No registration ID was received.',
@@ -2464,30 +2464,30 @@ 
                 $attendee = $registration->attendee()
                     ? $registration->attendee()
                     : $this->getAttendeeModel()->create_default_object();
-                $this->_template_args['attendees'][ $att_nmbr ]['STS_ID'] = $registration->status_ID();
-                $this->_template_args['attendees'][ $att_nmbr ]['fname'] = $attendee->fname();
-                $this->_template_args['attendees'][ $att_nmbr ]['lname'] = $attendee->lname();
-                $this->_template_args['attendees'][ $att_nmbr ]['email'] = $attendee->email();
-                $this->_template_args['attendees'][ $att_nmbr ]['final_price'] = $registration->final_price();
-                $this->_template_args['attendees'][ $att_nmbr ]['address'] = implode(
+                $this->_template_args['attendees'][$att_nmbr]['STS_ID'] = $registration->status_ID();
+                $this->_template_args['attendees'][$att_nmbr]['fname'] = $attendee->fname();
+                $this->_template_args['attendees'][$att_nmbr]['lname'] = $attendee->lname();
+                $this->_template_args['attendees'][$att_nmbr]['email'] = $attendee->email();
+                $this->_template_args['attendees'][$att_nmbr]['final_price'] = $registration->final_price();
+                $this->_template_args['attendees'][$att_nmbr]['address'] = implode(
                     ', ',
                     $attendee->full_address_as_array()
                 );
-                $this->_template_args['attendees'][ $att_nmbr ]['att_link'] = self::add_query_args_and_nonce(
+                $this->_template_args['attendees'][$att_nmbr]['att_link'] = self::add_query_args_and_nonce(
                     array(
                         'action' => 'edit_attendee',
                         'post'   => $attendee->ID(),
                     ),
                     REG_ADMIN_URL
                 );
-                $this->_template_args['attendees'][ $att_nmbr ]['event_name'] = $registration->event_obj() instanceof EE_Event
+                $this->_template_args['attendees'][$att_nmbr]['event_name'] = $registration->event_obj() instanceof EE_Event
                     ? $registration->event_obj()->name()
                     : '';
                 $att_nmbr++;
             }
             $this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
         }
-        $template_path = REG_TEMPLATE_PATH . 'reg_admin_details_main_meta_box_attendees.template.php';
+        $template_path = REG_TEMPLATE_PATH.'reg_admin_details_main_meta_box_attendees.template.php';
         echo EEH_Template::display_template($template_path, $this->_template_args, true);
     }
 
@@ -2514,11 +2514,11 @@ 
         // now let's determine if this is not the primary registration.  If it isn't then we set the
         // primary_registration object for reference BUT ONLY if the Attendee object loaded is not the same as the
         // primary registration object (that way we know if we need to show create button or not)
-        if (! $this->_registration->is_primary_registrant()) {
+        if ( ! $this->_registration->is_primary_registrant()) {
             $primary_registration = $this->_registration->get_primary_registration();
             $primary_attendee = $primary_registration instanceof EE_Registration ? $primary_registration->attendee()
                 : null;
-            if (! $primary_attendee instanceof EE_Attendee || $attendee->ID() !== $primary_attendee->ID()) {
+            if ( ! $primary_attendee instanceof EE_Attendee || $attendee->ID() !== $primary_attendee->ID()) {
                 // in here?  This means the displayed registration is not the primary registrant but ALREADY HAS its own
                 // custom attendee object so let's not worry about the primary reg.
                 $primary_registration = null;
@@ -2552,7 +2552,7 @@ 
             ) : '';
         $this->_template_args['create_label'] = esc_html__('Create Contact', 'event_espresso');
         $this->_template_args['att_check'] = $att_check;
-        $template_path = REG_TEMPLATE_PATH . 'reg_admin_details_side_meta_box_registrant.template.php';
+        $template_path = REG_TEMPLATE_PATH.'reg_admin_details_side_meta_box_registrant.template.php';
         echo EEH_Template::display_template($template_path, $this->_template_args, true);
     }
 
@@ -2590,7 +2590,7 @@ 
         $success = 0;
         $overwrite_msgs = false;
         // Checkboxes
-        if (! is_array($this->_req_data['_REG_ID'])) {
+        if ( ! is_array($this->_req_data['_REG_ID'])) {
             $this->_req_data['_REG_ID'] = array($this->_req_data['_REG_ID']);
         }
         $reg_count = count($this->_req_data['_REG_ID']);
@@ -2599,7 +2599,7 @@ 
             /** @var EE_Registration $REG */
             $REG = $this->getRegistrationModel()->get_one_by_ID($REG_ID);
             $payments = $REG->registration_payments();
-            if (! empty($payments)) {
+            if ( ! empty($payments)) {
                 $name = $REG->attendee() instanceof EE_Attendee
                     ? $REG->attendee()->full_name()
                     : esc_html__('Unknown Attendee', 'event_espresso');
@@ -2661,17 +2661,17 @@ 
         $REG_MDL = $this->getRegistrationModel();
         $success = 1;
         // Checkboxes
-        if (! empty($this->_req_data['_REG_ID']) && is_array($this->_req_data['_REG_ID'])) {
+        if ( ! empty($this->_req_data['_REG_ID']) && is_array($this->_req_data['_REG_ID'])) {
             // if array has more than one element than success message should be plural
             $success = count($this->_req_data['_REG_ID']) > 1 ? 2 : 1;
             // cycle thru checkboxes
             foreach ($this->_req_data['_REG_ID'] as $REG_ID) {
                 $REG = $REG_MDL->get_one_by_ID($REG_ID);
-                if (! $REG instanceof EE_Registration) {
+                if ( ! $REG instanceof EE_Registration) {
                     continue;
                 }
                 $deleted = $this->_delete_registration($REG);
-                if (! $deleted) {
+                if ( ! $deleted) {
                     $success = 0;
                 }
             }
@@ -2681,7 +2681,7 @@ 
             /** @var EE_Registration $REG */
             $REG = $REG_MDL->get_one_by_ID($REG_ID);
             $deleted = $this->_delete_registration($REG);
-            if (! $deleted) {
+            if ( ! $deleted) {
                 $success = 0;
             }
         }
@@ -2716,7 +2716,7 @@ 
         // first we start with the transaction... ultimately, we WILL not delete permanently if there are any related
         // registrations on the transaction that are NOT trashed.
         $TXN = $REG->get_first_related('Transaction');
-        if (! $TXN instanceof EE_Transaction) {
+        if ( ! $TXN instanceof EE_Transaction) {
             EE_Error::add_error(
                 sprintf(
                     esc_html__(
@@ -2734,11 +2734,11 @@ 
         $REGS = $TXN->get_many_related('Registration');
         $all_trashed = true;
         foreach ($REGS as $registration) {
-            if (! $registration->get('REG_deleted')) {
+            if ( ! $registration->get('REG_deleted')) {
                 $all_trashed = false;
             }
         }
-        if (! $all_trashed) {
+        if ( ! $all_trashed) {
             EE_Error::add_error(
                 esc_html__(
                     'Unable to permanently delete this registration. Before this registration can be permanently deleted, all registrations made in the same transaction must be trashed as well.  These registrations will be permanently deleted in the same action.',
@@ -2801,7 +2801,7 @@ 
      */
     public function new_registration()
     {
-        if (! $this->_set_reg_event()) {
+        if ( ! $this->_set_reg_event()) {
             throw new EE_Error(
                 esc_html__(
                     'Unable to continue with registering because there is no Event ID in the request',
@@ -2813,8 +2813,8 @@ 
         $current_page = $this->loader->getShared(CurrentPage::class);
         $current_page->setEspressoPage(true);
         // gotta start with a clean slate if we're not coming here via ajax
-        if (! defined('DOING_AJAX')
-            && (! isset($this->_req_data['processing_registration']) || isset($this->_req_data['step_error']))
+        if ( ! defined('DOING_AJAX')
+            && ( ! isset($this->_req_data['processing_registration']) || isset($this->_req_data['step_error']))
         ) {
             EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
         }
@@ -2847,7 +2847,7 @@ 
         }
         // grab header
         $template_path =
-            REG_TEMPLATE_PATH . 'reg_admin_register_new_attendee.template.php';
+            REG_TEMPLATE_PATH.'reg_admin_register_new_attendee.template.php';
         $this->_template_args['admin_page_content'] = EEH_Template::display_template(
             $template_path,
             $this->_template_args,
@@ -2888,7 +2888,7 @@ 
                 '</b>'
             );
             return '
-	<div id="ee-add-reg-back-button-dv"><p>' . $warning_msg . '</p></div>
+	<div id="ee-add-reg-back-button-dv"><p>' . $warning_msg.'</p></div>
 	<script >
 		// WHOAH !!! it appears that someone is using the back button from the Transaction admin page
 		// after just adding a new registration... we gotta try to put a stop to that !!!
@@ -2957,7 +2957,7 @@ 
         // we come back to the process_registration_step route.
         $this->_set_add_edit_form_tags('process_reg_step', $hidden_fields);
         return EEH_Template::display_template(
-            REG_TEMPLATE_PATH . 'reg_admin_register_new_attendee_step_content.template.php',
+            REG_TEMPLATE_PATH.'reg_admin_register_new_attendee_step_content.template.php',
             $template_args,
             true
         );
@@ -2979,8 +2979,8 @@ 
         if (is_object($this->_reg_event)) {
             return true;
         }
-        $EVT_ID = (! empty($this->_req_data['event_id'])) ? absint($this->_req_data['event_id']) : false;
-        if (! $EVT_ID) {
+        $EVT_ID = ( ! empty($this->_req_data['event_id'])) ? absint($this->_req_data['event_id']) : false;
+        if ( ! $EVT_ID) {
             return false;
         }
         $this->_reg_event = $this->getEventModel()->get_one_by_ID($EVT_ID);
@@ -3014,8 +3014,8 @@ 
         $step = ! $cart instanceof EE_Cart ? 'ticket' : 'questions';
         // if doing ajax then we need to verify the nonce
         if (defined('DOING_AJAX')) {
-            $nonce = isset($this->_req_data[ $this->_req_nonce ])
-                ? sanitize_text_field($this->_req_data[ $this->_req_nonce ]) : '';
+            $nonce = isset($this->_req_data[$this->_req_nonce])
+                ? sanitize_text_field($this->_req_data[$this->_req_nonce]) : '';
             $this->_verify_nonce($nonce, $this->_req_nonce);
         }
         switch ($step) {
@@ -3051,7 +3051,7 @@ 
                 }
                 break;
             case 'questions':
-                if (! isset(
+                if ( ! isset(
                     $this->_req_data['txn_reg_status_change'],
                     $this->_req_data['txn_reg_status_change']['send_notifications']
                 )
@@ -3066,7 +3066,7 @@ 
                         $grand_total->save_this_and_descendants_to_txn();
                     }
                 }
-                if (! $transaction instanceof EE_Transaction) {
+                if ( ! $transaction instanceof EE_Transaction) {
                     $query_args = array(
                         'action'                  => 'new_registration',
                         'processing_registration' => 2,
@@ -3088,7 +3088,7 @@ 
                     return;
                 }
                 // maybe update status, and make sure to save transaction if not done already
-                if (! $transaction->update_status_based_on_total_paid()) {
+                if ( ! $transaction->update_status_based_on_total_paid()) {
                     $transaction->save();
                 }
                 EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
@@ -3174,7 +3174,7 @@ 
     public function get_attendees($per_page, $count = false, $trash = false)
     {
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        require_once(REG_ADMIN . 'EE_Attendee_Contact_List_Table.class.php');
+        require_once(REG_ADMIN.'EE_Attendee_Contact_List_Table.class.php');
         $this->_req_data['orderby'] = ! empty($this->_req_data['orderby']) ? $this->_req_data['orderby'] : '';
         switch ($this->_req_data['orderby']) {
             case 'ATT_ID':
@@ -3212,8 +3212,8 @@ 
             ? $this->_req_data['perpage']
             : $per_page;
         $_where = array();
-        if (! empty($this->_req_data['s'])) {
-            $sstr = '%' . $this->_req_data['s'] . '%';
+        if ( ! empty($this->_req_data['s'])) {
+            $sstr = '%'.$this->_req_data['s'].'%';
             $_where['OR'] = array(
                 'Registration.Event.EVT_name'       => array('LIKE', $sstr),
                 'Registration.Event.EVT_desc'       => array('LIKE', $sstr),
@@ -3240,7 +3240,7 @@ 
             'extra_selects' => array('Registration_Count' => array('Registration.REG_ID', 'count', '%d')),
             'limit'         => $limit,
         );
-        if (! $count) {
+        if ( ! $count) {
             $query_args['order_by'] = array($orderby => $sort);
         }
         if ($trash) {
@@ -3288,7 +3288,7 @@ 
      */
     public function _registrations_report_base($method_name_for_getting_query_params)
     {
-        if (! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
+        if ( ! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
             wp_redirect(
                 EE_Admin_Page::add_query_args_and_nonce(
                     array(
@@ -3319,8 +3319,8 @@ 
                 'EVT_ID' => isset($this->_req_data['EVT_ID']) ? $this->_req_data['EVT_ID'] : null,
             );
             $this->_req_data = array_merge($this->_req_data, $new_request_args);
-            if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
-                require_once(EE_CLASSES . 'EE_Export.class.php');
+            if (is_readable(EE_CLASSES.'EE_Export.class.php')) {
+                require_once(EE_CLASSES.'EE_Export.class.php');
                 $EE_Export = EE_Export::instance($this->_req_data);
                 $EE_Export->export();
             }
@@ -3341,8 +3341,8 @@ 
 
     public function _contact_list_export()
     {
-        if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
-            require_once(EE_CLASSES . 'EE_Export.class.php');
+        if (is_readable(EE_CLASSES.'EE_Export.class.php')) {
+            require_once(EE_CLASSES.'EE_Export.class.php');
             $EE_Export = EE_Export::instance($this->_req_data);
             $EE_Export->export_attendees();
         }
@@ -3351,7 +3351,7 @@ 
 
     public function _contact_list_report()
     {
-        if (! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
+        if ( ! defined('EE_USE_OLD_CSV_REPORT_CLASS')) {
             wp_redirect(
                 EE_Admin_Page::add_query_args_and_nonce(
                     array(
@@ -3363,8 +3363,8 @@ 
                 )
             );
         } else {
-            if (is_readable(EE_CLASSES . 'EE_Export.class.php')) {
-                require_once(EE_CLASSES . 'EE_Export.class.php');
+            if (is_readable(EE_CLASSES.'EE_Export.class.php')) {
+                require_once(EE_CLASSES.'EE_Export.class.php');
                 $EE_Export = EE_Export::instance($this->_req_data);
                 $EE_Export->report_attendees();
             }
@@ -3452,7 +3452,7 @@ 
             $updated_fields = array(
                 'ATT_fname'     => $this->_req_data['ATT_fname'],
                 'ATT_lname'     => $this->_req_data['ATT_lname'],
-                'ATT_full_name' => $this->_req_data['ATT_fname'] . ' ' . $this->_req_data['ATT_lname'],
+                'ATT_full_name' => $this->_req_data['ATT_fname'].' '.$this->_req_data['ATT_lname'],
                 'ATT_address'   => isset($this->_req_data['ATT_address']) ? $this->_req_data['ATT_address'] : '',
                 'ATT_address2'  => isset($this->_req_data['ATT_address2']) ? $this->_req_data['ATT_address2'] : '',
                 'ATT_city'      => isset($this->_req_data['ATT_city']) ? $this->_req_data['ATT_city'] : '',
@@ -3530,16 +3530,16 @@ 
         $this->verify_cpt_object();
         remove_meta_box(
             'postexcerpt',
-            $this->_cpt_routes[ $this->_req_action ],
+            $this->_cpt_routes[$this->_req_action],
             'normal'
         );
-        remove_meta_box('commentstatusdiv', $this->_cpt_routes[ $this->_req_action ], 'normal', 'core');
+        remove_meta_box('commentstatusdiv', $this->_cpt_routes[$this->_req_action], 'normal', 'core');
         if (post_type_supports('espresso_attendees', 'excerpt')) {
             add_meta_box(
                 'postexcerpt',
                 esc_html__('Short Biography', 'event_espresso'),
                 'post_excerpt_meta_box',
-                $this->_cpt_routes[ $this->_req_action ],
+                $this->_cpt_routes[$this->_req_action],
                 'normal'
             );
         }
@@ -3548,7 +3548,7 @@ 
                 'commentsdiv',
                 esc_html__('Notes on the Contact', 'event_espresso'),
                 'post_comment_meta_box',
-                $this->_cpt_routes[ $this->_req_action ],
+                $this->_cpt_routes[$this->_req_action],
                 'normal',
                 'core'
             );
@@ -3557,7 +3557,7 @@ 
             'attendee_contact_info',
             esc_html__('Contact Info', 'event_espresso'),
             array($this, 'attendee_contact_info'),
-            $this->_cpt_routes[ $this->_req_action ],
+            $this->_cpt_routes[$this->_req_action],
             'side',
             'core'
         );
@@ -3565,7 +3565,7 @@ 
             'attendee_details_address',
             esc_html__('Address Details', 'event_espresso'),
             array($this, 'attendee_address_details'),
-            $this->_cpt_routes[ $this->_req_action ],
+            $this->_cpt_routes[$this->_req_action],
             'normal',
             'core'
         );
@@ -3573,7 +3573,7 @@ 
             'attendee_registrations',
             esc_html__('Registrations for this Contact', 'event_espresso'),
             array($this, 'attendee_registrations_meta_box'),
-            $this->_cpt_routes[ $this->_req_action ],
+            $this->_cpt_routes[$this->_req_action],
             'normal',
             'high'
         );
@@ -3674,7 +3674,7 @@ 
             )
         );
         $template =
-            REG_TEMPLATE_PATH . 'attendee_address_details_metabox_content.template.php';
+            REG_TEMPLATE_PATH.'attendee_address_details_metabox_content.template.php';
         EEH_Template::display_template($template, $this->_template_args);
     }
 
@@ -3697,7 +3697,7 @@ 
         $this->_template_args['attendee'] = $this->_cpt_model_obj;
         $this->_template_args['registrations'] = $this->_cpt_model_obj->get_many_related('Registration');
         $template =
-            REG_TEMPLATE_PATH . 'attendee_registrations_main_meta_box.template.php';
+            REG_TEMPLATE_PATH.'attendee_registrations_main_meta_box.template.php';
         EEH_Template::display_template($template, $this->_template_args);
     }
 
@@ -3712,7 +3712,7 @@ 
     public function after_title_form_fields($post)
     {
         if ($post->post_type === 'espresso_attendees') {
-            $template = REG_TEMPLATE_PATH . 'attendee_details_after_title_form_fields.template.php';
+            $template = REG_TEMPLATE_PATH.'attendee_details_after_title_form_fields.template.php';
             $template_args['attendee'] = $this->_cpt_model_obj;
             EEH_Template::display_template($template, $template_args);
         }
@@ -3736,14 +3736,14 @@ 
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
         $success = 1;
         // Checkboxes
-        if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+        if ( ! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
             // if array has more than one element than success message should be plural
             $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
             // cycle thru checkboxes
             foreach ($this->_req_data['checkbox'] as $ATT_ID) {
                 $updated = $trash ? $this->getAttendeeModel()->update_by_ID(array('status' => 'trash'), $ATT_ID)
                     : $this->getAttendeeModel()->update_by_ID(array('status' => 'publish'), $ATT_ID);
-                if (! $updated) {
+                if ( ! $updated) {
                     $success = 0;
                 }
             }
@@ -3754,7 +3754,7 @@ 
             $att = $this->getAttendeeModel()->get_one_by_ID($ATT_ID);
             $updated = $trash ? $att->set_status('trash') : $att->set_status('publish');
             $updated = $att->save() && $updated;
-            if (! $updated) {
+            if ( ! $updated) {
                 $success = 0;
             }
         }

caffeinated/modules/recaptcha/EED_Recaptcha.module.php

Indentation +375 added lines, -375 removed lines

@@ -18,379 +18,379 @@
 class EED_Recaptcha extends EED_Module
 {
 
-    /**
-     * @var EE_Registration_Config $config
-     */
-    private static $config;
-
-    /**
-     * @type bool $_not_a_robot
-     */
-    private static $_not_a_robot;
-
-    /**
-     * @type string $_recaptcha_response
-     */
-    private static $_recaptcha_response;
-
-
-    /**
-     * @return EED_Module|EED_Recaptcha
-     */
-    public static function instance()
-    {
-        return parent::get_instance(__CLASS__);
-    }
-
-
-    /**
-     * set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function set_hooks()
-    {
-        EED_Recaptcha::$config = EE_Registry::instance()->CFG->registration;
-        // use_captcha ?
-        if (EED_Recaptcha::useRecaptcha()
-            && EED_Recaptcha::notPaymentOptionsRevisit()
-        ) {
-            EED_Recaptcha::set_definitions();
-            EED_Recaptcha::enqueue_styles_and_scripts();
-            add_action('wp', array('EED_Recaptcha', 'set_late_hooks'), 1, 0);
-            add_action(
-                'AHEE__before_spco_whats_next_buttons',
-                array('EED_Recaptcha', 'display_recaptcha'),
-                10,
-                0
-            );
-            add_filter(
-                'FHEE__EED_Single_Page_Checkout__init___continue_reg',
-                array('EED_Recaptcha', 'not_a_robot')
-            );
-            add_filter(
-                'FHEE__EE_SPCO_Reg_Step__set_completed___completed',
-                array('EED_Recaptcha', 'not_a_robot')
-            );
-            add_filter(
-                'FHEE__EE_SPCO_JSON_Response___toString__JSON_response',
-                array('EED_Recaptcha', 'recaptcha_response')
-            );
-            add_filter(
-                'FHEE__EED_Recaptcha___bypass_recaptcha__bypass_request_params_array',
-                array('EED_Recaptcha', 'bypass_recaptcha_for_spco_load_payment_method')
-            );
-        }
-    }
-
-
-    /**
-     * set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function set_hooks_admin()
-    {
-        EED_Recaptcha::$config = EE_Registry::instance()->CFG->registration;
-        EED_Recaptcha::set_definitions();
-        // use_captcha ?
-        if (EED_Recaptcha::useRecaptcha()
-            && EED_Recaptcha::notPaymentOptionsRevisit()
-            && EED_Recaptcha::getRequest()->getRequestParam('step', '') !== ''
-        ) {
-            EED_Recaptcha::enqueue_styles_and_scripts();
-            add_filter(
-                'FHEE__EED_Single_Page_Checkout__init___continue_reg',
-                array('EED_Recaptcha', 'not_a_robot')
-            );
-            add_filter(
-                'FHEE__EE_SPCO_Reg_Step__set_completed___completed',
-                array('EED_Recaptcha', 'not_a_robot')
-            );
-            add_filter(
-                'FHEE__EE_SPCO_JSON_Response___toString__JSON_response',
-                array('EED_Recaptcha', 'recaptcha_response')
-            );
-        }
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function set_definitions()
-    {
-        if (is_user_logged_in()) {
-            EED_Recaptcha::$_not_a_robot = true;
-        }
-        define(
-            'RECAPTCHA_BASE_PATH',
-            rtrim(str_replace(array('\\', '/'), '/', plugin_dir_path(__FILE__)), '/') . '/'
-        );
-        define('RECAPTCHA_BASE_URL', plugin_dir_url(__FILE__));
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function set_late_hooks()
-    {
-        add_filter(
-            'FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit',
-            array('EED_Recaptcha', 'not_a_robot')
-        );
-    }
-
-
-    /**
-     * @return boolean
-     */
-    public static function useRecaptcha()
-    {
-        return EED_Recaptcha::$config->use_captcha
-               && EED_Recaptcha::$config->recaptcha_theme !== 'invisible';
-    }
-
-
-    /**
-     * @return boolean
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function notPaymentOptionsRevisit()
-    {
-        $request = EED_Recaptcha::getRequest();
-        return ! (
-            $request->getRequestParam('step', '') === 'payment_options'
-            && $request->getRequestParam('revisit', false, 'bool') === true
-        );
-    }
-
-
-    /**
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function enqueue_styles_and_scripts()
-    {
-        wp_register_script(
-            'espresso_recaptcha',
-            RECAPTCHA_BASE_URL . 'scripts/espresso_recaptcha.js',
-            array('single_page_checkout'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'google_recaptcha',
-            'https://www.google.com/recaptcha/api.js?hl=' . EED_Recaptcha::$config->recaptcha_language,
-            array('espresso_recaptcha'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        EE_Registry::$i18n_js_strings['no_SPCO_error'] = __(
-            'It appears the Single Page Checkout javascript was not loaded properly! Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['no_recaptcha_error'] = __(
-            'There appears to be a problem with the reCAPTCHA configuration! Please check the admin settings or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['recaptcha_fail'] = __(
-            'Please complete the anti-spam test before proceeding.',
-            'event_espresso'
-        );
-    }
-
-
-    /**
-     * @param WP $WP
-     */
-    public function run($WP)
-    {
-    }
-
-
-    /**
-     * @return boolean
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function not_a_robot()
-    {
-        return is_bool(EED_Recaptcha::$_not_a_robot)
-            ? EED_Recaptcha::$_not_a_robot
-            : EED_Recaptcha::recaptcha_passed();
-    }
-
-
-    /**
-     * @return void
-     * @throws DomainException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function display_recaptcha()
-    {
-        // logged in means you have already passed a turing test of sorts
-        if (is_user_logged_in()) {
-            return;
-        }
-        // don't display if not using recaptcha or user is logged in
-        if (EED_Recaptcha::useRecaptcha() && ! EED_Recaptcha::$_not_a_robot) {
-            // only display if they have NOT passed the test yet
-            EEH_Template::display_template(
-                RECAPTCHA_BASE_PATH . '/templates/recaptcha.template.php',
-                array(
-                    'recaptcha_publickey' => EED_Recaptcha::$config->recaptcha_publickey,
-                    'recaptcha_theme'     => EED_Recaptcha::$config->recaptcha_theme,
-                    'recaptcha_type'      => EED_Recaptcha::$config->recaptcha_type,
-                )
-            );
-            wp_enqueue_script('google_recaptcha');
-        }
-    }
-
-
-    /**
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function bypass_recaptcha_for_spco_load_payment_method()
-    {
-        return array(
-            'EESID'  => EE_Registry::instance()->SSN->id(),
-            'step'   => 'payment_options',
-            'action' => 'switch_spco_billing_form',
-        );
-    }
-
-
-    /**
-     * @return boolean
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function recaptcha_passed()
-    {
-        // logged in means you have already passed a turing test of sorts
-        if (is_user_logged_in() || EED_Recaptcha::_bypass_recaptcha()) {
-            return true;
-        }
-        // was test already passed?
-        $recaptcha_passed = EE_Registry::instance()->SSN->get_session_data('recaptcha_passed');
-        $recaptcha_passed = filter_var($recaptcha_passed, FILTER_VALIDATE_BOOLEAN);
-        // verify recaptcha
-        EED_Recaptcha::_get_recaptcha_response();
-        if (! $recaptcha_passed && EED_Recaptcha::$_recaptcha_response) {
-            $recaptcha_passed = EED_Recaptcha::_process_recaptcha_response();
-            EE_Registry::instance()->SSN->set_session_data(array('recaptcha_passed' => $recaptcha_passed));
-        }
-        EED_Recaptcha::$_not_a_robot = $recaptcha_passed;
-        return $recaptcha_passed;
-    }
-
-
-    /**
-     * @param array $recaptcha_response
-     * @return array
-     */
-    public static function recaptcha_response($recaptcha_response = array())
-    {
-        if (EED_Recaptcha::_bypass_recaptcha()) {
-            $recaptcha_response['bypass_recaptcha'] = true;
-            $recaptcha_response['recaptcha_passed'] = true;
-        } else {
-            $recaptcha_response['recaptcha_passed'] = EED_Recaptcha::$_not_a_robot;
-        }
-        return $recaptcha_response;
-    }
-
-
-    /**
-     * @return boolean
-     */
-    private static function _bypass_recaptcha()
-    {
-        // an array of key value pairs that must match exactly with the incoming request,
-        // in order to bypass recaptcha for the current request ONLY
-        $bypass_request_params_array = (array) apply_filters(
-            'FHEE__EED_Recaptcha___bypass_recaptcha__bypass_request_params_array',
-            array()
-        );
-        // does $bypass_request_params_array have any values ?
-        if (empty($bypass_request_params_array)) {
-            return false;
-        }
-        // initially set bypass to TRUE
-        $bypass_recaptcha = true;
-        foreach ($bypass_request_params_array as $key => $value) {
-            // if $key is not found or value doesn't match exactly, then toggle bypass to FALSE,
-            // otherwise carry over it's value. This way, one missed setting results in no bypass
-            $bypass_recaptcha = isset($_REQUEST[ $key ]) && $_REQUEST[ $key ] === $value
-                ? $bypass_recaptcha
-                : false;
-        }
-        return $bypass_recaptcha;
-    }
-
-
-    /**
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    private static function _get_recaptcha_response()
-    {
-        EED_Recaptcha::$_recaptcha_response = EED_Recaptcha::getRequest()->getRequestParam(
-            'g-recaptcha-response'
-        );
-    }
-
-
-    /**
-     * @return boolean
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    private static function _process_recaptcha_response()
-    {
-        // verify library is loaded
-        if (! class_exists('\ReCaptcha\ReCaptcha')) {
-            require_once RECAPTCHA_BASE_PATH . '/autoload.php';
-        }
-        // The response from reCAPTCHA
-        EED_Recaptcha::_get_recaptcha_response();
-        $recaptcha_response = EED_Recaptcha::$_recaptcha_response;
-        // Was there a reCAPTCHA response?
-        if ($recaptcha_response) {
-            // if allow_url_fopen is Off, then set a different request method
-            $request_method = ! ini_get('allow_url_fopen') ? new SocketPost() : null;
-            $recaptcha = new ReCaptcha(
-                EED_Recaptcha::$config->recaptcha_privatekey,
-                $request_method
-            );
-            $recaptcha_response = $recaptcha->verify(
-                EED_Recaptcha::$_recaptcha_response,
-                $_SERVER['REMOTE_ADDR']
-            );
-        }
-        return $recaptcha_response instanceof Response && $recaptcha_response->isSuccess();
-    }
+	/**
+	 * @var EE_Registration_Config $config
+	 */
+	private static $config;
+
+	/**
+	 * @type bool $_not_a_robot
+	 */
+	private static $_not_a_robot;
+
+	/**
+	 * @type string $_recaptcha_response
+	 */
+	private static $_recaptcha_response;
+
+
+	/**
+	 * @return EED_Module|EED_Recaptcha
+	 */
+	public static function instance()
+	{
+		return parent::get_instance(__CLASS__);
+	}
+
+
+	/**
+	 * set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function set_hooks()
+	{
+		EED_Recaptcha::$config = EE_Registry::instance()->CFG->registration;
+		// use_captcha ?
+		if (EED_Recaptcha::useRecaptcha()
+			&& EED_Recaptcha::notPaymentOptionsRevisit()
+		) {
+			EED_Recaptcha::set_definitions();
+			EED_Recaptcha::enqueue_styles_and_scripts();
+			add_action('wp', array('EED_Recaptcha', 'set_late_hooks'), 1, 0);
+			add_action(
+				'AHEE__before_spco_whats_next_buttons',
+				array('EED_Recaptcha', 'display_recaptcha'),
+				10,
+				0
+			);
+			add_filter(
+				'FHEE__EED_Single_Page_Checkout__init___continue_reg',
+				array('EED_Recaptcha', 'not_a_robot')
+			);
+			add_filter(
+				'FHEE__EE_SPCO_Reg_Step__set_completed___completed',
+				array('EED_Recaptcha', 'not_a_robot')
+			);
+			add_filter(
+				'FHEE__EE_SPCO_JSON_Response___toString__JSON_response',
+				array('EED_Recaptcha', 'recaptcha_response')
+			);
+			add_filter(
+				'FHEE__EED_Recaptcha___bypass_recaptcha__bypass_request_params_array',
+				array('EED_Recaptcha', 'bypass_recaptcha_for_spco_load_payment_method')
+			);
+		}
+	}
+
+
+	/**
+	 * set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function set_hooks_admin()
+	{
+		EED_Recaptcha::$config = EE_Registry::instance()->CFG->registration;
+		EED_Recaptcha::set_definitions();
+		// use_captcha ?
+		if (EED_Recaptcha::useRecaptcha()
+			&& EED_Recaptcha::notPaymentOptionsRevisit()
+			&& EED_Recaptcha::getRequest()->getRequestParam('step', '') !== ''
+		) {
+			EED_Recaptcha::enqueue_styles_and_scripts();
+			add_filter(
+				'FHEE__EED_Single_Page_Checkout__init___continue_reg',
+				array('EED_Recaptcha', 'not_a_robot')
+			);
+			add_filter(
+				'FHEE__EE_SPCO_Reg_Step__set_completed___completed',
+				array('EED_Recaptcha', 'not_a_robot')
+			);
+			add_filter(
+				'FHEE__EE_SPCO_JSON_Response___toString__JSON_response',
+				array('EED_Recaptcha', 'recaptcha_response')
+			);
+		}
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function set_definitions()
+	{
+		if (is_user_logged_in()) {
+			EED_Recaptcha::$_not_a_robot = true;
+		}
+		define(
+			'RECAPTCHA_BASE_PATH',
+			rtrim(str_replace(array('\\', '/'), '/', plugin_dir_path(__FILE__)), '/') . '/'
+		);
+		define('RECAPTCHA_BASE_URL', plugin_dir_url(__FILE__));
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function set_late_hooks()
+	{
+		add_filter(
+			'FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit',
+			array('EED_Recaptcha', 'not_a_robot')
+		);
+	}
+
+
+	/**
+	 * @return boolean
+	 */
+	public static function useRecaptcha()
+	{
+		return EED_Recaptcha::$config->use_captcha
+			   && EED_Recaptcha::$config->recaptcha_theme !== 'invisible';
+	}
+
+
+	/**
+	 * @return boolean
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function notPaymentOptionsRevisit()
+	{
+		$request = EED_Recaptcha::getRequest();
+		return ! (
+			$request->getRequestParam('step', '') === 'payment_options'
+			&& $request->getRequestParam('revisit', false, 'bool') === true
+		);
+	}
+
+
+	/**
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function enqueue_styles_and_scripts()
+	{
+		wp_register_script(
+			'espresso_recaptcha',
+			RECAPTCHA_BASE_URL . 'scripts/espresso_recaptcha.js',
+			array('single_page_checkout'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'google_recaptcha',
+			'https://www.google.com/recaptcha/api.js?hl=' . EED_Recaptcha::$config->recaptcha_language,
+			array('espresso_recaptcha'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		EE_Registry::$i18n_js_strings['no_SPCO_error'] = __(
+			'It appears the Single Page Checkout javascript was not loaded properly! Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['no_recaptcha_error'] = __(
+			'There appears to be a problem with the reCAPTCHA configuration! Please check the admin settings or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['recaptcha_fail'] = __(
+			'Please complete the anti-spam test before proceeding.',
+			'event_espresso'
+		);
+	}
+
+
+	/**
+	 * @param WP $WP
+	 */
+	public function run($WP)
+	{
+	}
+
+
+	/**
+	 * @return boolean
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function not_a_robot()
+	{
+		return is_bool(EED_Recaptcha::$_not_a_robot)
+			? EED_Recaptcha::$_not_a_robot
+			: EED_Recaptcha::recaptcha_passed();
+	}
+
+
+	/**
+	 * @return void
+	 * @throws DomainException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function display_recaptcha()
+	{
+		// logged in means you have already passed a turing test of sorts
+		if (is_user_logged_in()) {
+			return;
+		}
+		// don't display if not using recaptcha or user is logged in
+		if (EED_Recaptcha::useRecaptcha() && ! EED_Recaptcha::$_not_a_robot) {
+			// only display if they have NOT passed the test yet
+			EEH_Template::display_template(
+				RECAPTCHA_BASE_PATH . '/templates/recaptcha.template.php',
+				array(
+					'recaptcha_publickey' => EED_Recaptcha::$config->recaptcha_publickey,
+					'recaptcha_theme'     => EED_Recaptcha::$config->recaptcha_theme,
+					'recaptcha_type'      => EED_Recaptcha::$config->recaptcha_type,
+				)
+			);
+			wp_enqueue_script('google_recaptcha');
+		}
+	}
+
+
+	/**
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function bypass_recaptcha_for_spco_load_payment_method()
+	{
+		return array(
+			'EESID'  => EE_Registry::instance()->SSN->id(),
+			'step'   => 'payment_options',
+			'action' => 'switch_spco_billing_form',
+		);
+	}
+
+
+	/**
+	 * @return boolean
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function recaptcha_passed()
+	{
+		// logged in means you have already passed a turing test of sorts
+		if (is_user_logged_in() || EED_Recaptcha::_bypass_recaptcha()) {
+			return true;
+		}
+		// was test already passed?
+		$recaptcha_passed = EE_Registry::instance()->SSN->get_session_data('recaptcha_passed');
+		$recaptcha_passed = filter_var($recaptcha_passed, FILTER_VALIDATE_BOOLEAN);
+		// verify recaptcha
+		EED_Recaptcha::_get_recaptcha_response();
+		if (! $recaptcha_passed && EED_Recaptcha::$_recaptcha_response) {
+			$recaptcha_passed = EED_Recaptcha::_process_recaptcha_response();
+			EE_Registry::instance()->SSN->set_session_data(array('recaptcha_passed' => $recaptcha_passed));
+		}
+		EED_Recaptcha::$_not_a_robot = $recaptcha_passed;
+		return $recaptcha_passed;
+	}
+
+
+	/**
+	 * @param array $recaptcha_response
+	 * @return array
+	 */
+	public static function recaptcha_response($recaptcha_response = array())
+	{
+		if (EED_Recaptcha::_bypass_recaptcha()) {
+			$recaptcha_response['bypass_recaptcha'] = true;
+			$recaptcha_response['recaptcha_passed'] = true;
+		} else {
+			$recaptcha_response['recaptcha_passed'] = EED_Recaptcha::$_not_a_robot;
+		}
+		return $recaptcha_response;
+	}
+
+
+	/**
+	 * @return boolean
+	 */
+	private static function _bypass_recaptcha()
+	{
+		// an array of key value pairs that must match exactly with the incoming request,
+		// in order to bypass recaptcha for the current request ONLY
+		$bypass_request_params_array = (array) apply_filters(
+			'FHEE__EED_Recaptcha___bypass_recaptcha__bypass_request_params_array',
+			array()
+		);
+		// does $bypass_request_params_array have any values ?
+		if (empty($bypass_request_params_array)) {
+			return false;
+		}
+		// initially set bypass to TRUE
+		$bypass_recaptcha = true;
+		foreach ($bypass_request_params_array as $key => $value) {
+			// if $key is not found or value doesn't match exactly, then toggle bypass to FALSE,
+			// otherwise carry over it's value. This way, one missed setting results in no bypass
+			$bypass_recaptcha = isset($_REQUEST[ $key ]) && $_REQUEST[ $key ] === $value
+				? $bypass_recaptcha
+				: false;
+		}
+		return $bypass_recaptcha;
+	}
+
+
+	/**
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	private static function _get_recaptcha_response()
+	{
+		EED_Recaptcha::$_recaptcha_response = EED_Recaptcha::getRequest()->getRequestParam(
+			'g-recaptcha-response'
+		);
+	}
+
+
+	/**
+	 * @return boolean
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	private static function _process_recaptcha_response()
+	{
+		// verify library is loaded
+		if (! class_exists('\ReCaptcha\ReCaptcha')) {
+			require_once RECAPTCHA_BASE_PATH . '/autoload.php';
+		}
+		// The response from reCAPTCHA
+		EED_Recaptcha::_get_recaptcha_response();
+		$recaptcha_response = EED_Recaptcha::$_recaptcha_response;
+		// Was there a reCAPTCHA response?
+		if ($recaptcha_response) {
+			// if allow_url_fopen is Off, then set a different request method
+			$request_method = ! ini_get('allow_url_fopen') ? new SocketPost() : null;
+			$recaptcha = new ReCaptcha(
+				EED_Recaptcha::$config->recaptcha_privatekey,
+				$request_method
+			);
+			$recaptcha_response = $recaptcha->verify(
+				EED_Recaptcha::$_recaptcha_response,
+				$_SERVER['REMOTE_ADDR']
+			);
+		}
+		return $recaptcha_response instanceof Response && $recaptcha_response->isSuccess();
+	}
 }

core/EES_Shortcode.shortcode.php

Indentation +182 added lines, -182 removed lines

@@ -15,186 +15,186 @@
 abstract class EES_Shortcode extends EE_Base
 {
 
-    /**
-     * @protected   public
-     * @var     array $_attributes
-     */
-    protected $_attributes = array();
-
-
-
-    /**
-     * class constructor - should ONLY be instantiated by EE_Front_Controller
-     */
-    final public function __construct()
-    {
-        $shortcode = LegacyShortcodesManager::generateShortcodeTagFromClassName(get_class($this));
-        // assign shortcode to the preferred callback, which overwrites the "fallback shortcode processor" assigned earlier
-        add_shortcode($shortcode, array($this, 'process_shortcode'));
-        // make sure system knows this is an EE page
-        /** @var CurrentPage $current_page */
-        $current_page = LoaderFactory::getLoader()->getShared(CurrentPage::class);
-        $current_page->setEspressoPage(true);
-    }
-
-
-
-    /**
-     * run - initial shortcode module setup called during "parse_request" hook by
-     * \EE_Front_Controller::_initialize_shortcodes() IF this shortcode is going to execute during this request !
-     * It may also get called by \EES_Shortcode::fallback_shortcode_processor() if the shortcode is being implemented
-     * by a theme or plugin in a non-standard way.
-     * Basically this method is primarily used for loading resources and assets like CSS or JS
-     * that will be required by the shortcode when it is actually processed.
-     * Please note that assets may not load if the fallback_shortcode_processor() is being used.
-     *
-     * @access    public
-     * @param WP $WP
-     * @return    void
-     */
-    abstract public function run(WP $WP);
-
-
-
-    /**
-     *  process_shortcode
-     *  this method is the callback function for the actual shortcode, and is what runs when WP encounters the shortcode within the_content
-     *
-     *  @access     public
-     *  @param      array   $attributes
-     *  @return     mixed
-     */
-    abstract public function process_shortcode($attributes = array());
-
-
-
-    /**
-     *    instance - returns instance of child class object
-     *
-     * @access  public
-     * @param   string $shortcode_class
-     * @return  \EES_Shortcode
-     */
-    final public static function instance($shortcode_class = null)
-    {
-        $shortcode_class = ! empty($shortcode_class) ? $shortcode_class : get_called_class();
-        if ($shortcode_class === 'EES_Shortcode' || empty($shortcode_class)) {
-            return null;
-        }
-        $shortcode = str_replace('EES_', '', strtoupper($shortcode_class));
-        $shortcode_obj = isset(EE_Registry::instance()->shortcodes->{$shortcode})
-            ? EE_Registry::instance()->shortcodes->{$shortcode}
-            : null;
-        return $shortcode_obj instanceof $shortcode_class || $shortcode_class === 'self'
-            ? $shortcode_obj
-            : new $shortcode_class();
-    }
-
-
-
-
-    /**
-     *    fallback_shortcode_processor - create instance and call process_shortcode
-     *    NOTE: shortcode may not function perfectly dues to missing assets, but it's better than not having things work at all
-     *
-     * @access  public
-     * @param   $attributes
-     * @return  mixed
-     */
-    final public static function fallback_shortcode_processor($attributes)
-    {
-        if (EE_Maintenance_Mode::disable_frontend_for_maintenance()) {
-            return null;
-        }
-        // what shortcode was actually parsed ?
-        $shortcode_class = get_called_class();
-        // notify rest of system that fallback processor was triggered
-        add_filter('FHEE__fallback_shortcode_processor__' . $shortcode_class, '__return_true');
-        // get instance of actual shortcode
-        $shortcode_obj = self::instance($shortcode_class);
-        // verify class
-        if ($shortcode_obj instanceof EES_Shortcode) {
-            global $wp;
-            $shortcode_obj->run($wp);
-            // set attributes and run the shortcode
-            $shortcode_obj->_attributes = (array) $attributes;
-            return $shortcode_obj->process_shortcode($shortcode_obj->_attributes);
-        } else {
-            return null;
-        }
-    }
-
-
-
-
-    /**
-     *    invalid_shortcode_processor -  used in cases where we know the shortcode is invalid, most likely due to a deactivated addon, and simply returns an empty string
-     *
-     * @access  public
-     * @param   $attributes
-     * @return  string
-     */
-    final public static function invalid_shortcode_processor($attributes)
-    {
-        return '';
-    }
-
-
-
-
-
-    /**
-     * Performs basic sanitization on shortcode attributes
-     * Since incoming attributes from the shortcode usage in the WP editor will all be strings,
-     * most attributes will by default be sanitized using the sanitize_text_field() function.
-     * This can be overridden by supplying an array for the $custom_sanitization param,
-     * where keys match keys in your attributes array,
-     * and values represent the sanitization function you wish to be applied to that attribute.
-     * So for example, if you had an integer attribute named "event_id"
-     * that you wanted to be sanitized using absint(),
-     * then you would pass the following for your $custom_sanitization array:
-     *      array('event_id' => 'absint')
-     * all other attributes would be sanitized using the defaults in the switch statement below
-     *
-     * @param array $attributes
-     * @param array $custom_sanitization
-     * @return array
-     */
-    public static function sanitize_attributes(array $attributes, $custom_sanitization = array())
-    {
-        foreach ($attributes as $key => $value) {
-            // is a custom sanitization callback specified ?
-            if (isset($custom_sanitization[ $key ])) {
-                $callback = $custom_sanitization[ $key ];
-                if ($callback === 'skip_sanitization') {
-                    $attributes[ $key ] = $value;
-                    continue;
-                } elseif (function_exists($callback)) {
-                    $attributes[ $key ] = $callback($value);
-                    continue;
-                }
-            }
-            switch (true) {
-                case $value === null:
-                case is_int($value):
-                case is_float($value):
-                    // typical booleans
-                case in_array($value, array(true, 'true', '1', 'on', 'yes', false, 'false', '0', 'off', 'no'), true):
-                    $attributes[ $key ] = $value;
-                    break;
-                case is_string($value):
-                    $attributes[ $key ] = sanitize_text_field($value);
-                    break;
-                case is_array($value):
-                    $attributes[ $key ] = \EES_Shortcode::sanitize_attributes($value);
-                    break;
-                default:
-                    // only remaining data types are Object and Resource
-                    // which are not allowed as shortcode attributes
-                    $attributes[ $key ] = null;
-                    break;
-            }
-        }
-        return $attributes;
-    }
+	/**
+	 * @protected   public
+	 * @var     array $_attributes
+	 */
+	protected $_attributes = array();
+
+
+
+	/**
+	 * class constructor - should ONLY be instantiated by EE_Front_Controller
+	 */
+	final public function __construct()
+	{
+		$shortcode = LegacyShortcodesManager::generateShortcodeTagFromClassName(get_class($this));
+		// assign shortcode to the preferred callback, which overwrites the "fallback shortcode processor" assigned earlier
+		add_shortcode($shortcode, array($this, 'process_shortcode'));
+		// make sure system knows this is an EE page
+		/** @var CurrentPage $current_page */
+		$current_page = LoaderFactory::getLoader()->getShared(CurrentPage::class);
+		$current_page->setEspressoPage(true);
+	}
+
+
+
+	/**
+	 * run - initial shortcode module setup called during "parse_request" hook by
+	 * \EE_Front_Controller::_initialize_shortcodes() IF this shortcode is going to execute during this request !
+	 * It may also get called by \EES_Shortcode::fallback_shortcode_processor() if the shortcode is being implemented
+	 * by a theme or plugin in a non-standard way.
+	 * Basically this method is primarily used for loading resources and assets like CSS or JS
+	 * that will be required by the shortcode when it is actually processed.
+	 * Please note that assets may not load if the fallback_shortcode_processor() is being used.
+	 *
+	 * @access    public
+	 * @param WP $WP
+	 * @return    void
+	 */
+	abstract public function run(WP $WP);
+
+
+
+	/**
+	 *  process_shortcode
+	 *  this method is the callback function for the actual shortcode, and is what runs when WP encounters the shortcode within the_content
+	 *
+	 *  @access     public
+	 *  @param      array   $attributes
+	 *  @return     mixed
+	 */
+	abstract public function process_shortcode($attributes = array());
+
+
+
+	/**
+	 *    instance - returns instance of child class object
+	 *
+	 * @access  public
+	 * @param   string $shortcode_class
+	 * @return  \EES_Shortcode
+	 */
+	final public static function instance($shortcode_class = null)
+	{
+		$shortcode_class = ! empty($shortcode_class) ? $shortcode_class : get_called_class();
+		if ($shortcode_class === 'EES_Shortcode' || empty($shortcode_class)) {
+			return null;
+		}
+		$shortcode = str_replace('EES_', '', strtoupper($shortcode_class));
+		$shortcode_obj = isset(EE_Registry::instance()->shortcodes->{$shortcode})
+			? EE_Registry::instance()->shortcodes->{$shortcode}
+			: null;
+		return $shortcode_obj instanceof $shortcode_class || $shortcode_class === 'self'
+			? $shortcode_obj
+			: new $shortcode_class();
+	}
+
+
+
+
+	/**
+	 *    fallback_shortcode_processor - create instance and call process_shortcode
+	 *    NOTE: shortcode may not function perfectly dues to missing assets, but it's better than not having things work at all
+	 *
+	 * @access  public
+	 * @param   $attributes
+	 * @return  mixed
+	 */
+	final public static function fallback_shortcode_processor($attributes)
+	{
+		if (EE_Maintenance_Mode::disable_frontend_for_maintenance()) {
+			return null;
+		}
+		// what shortcode was actually parsed ?
+		$shortcode_class = get_called_class();
+		// notify rest of system that fallback processor was triggered
+		add_filter('FHEE__fallback_shortcode_processor__' . $shortcode_class, '__return_true');
+		// get instance of actual shortcode
+		$shortcode_obj = self::instance($shortcode_class);
+		// verify class
+		if ($shortcode_obj instanceof EES_Shortcode) {
+			global $wp;
+			$shortcode_obj->run($wp);
+			// set attributes and run the shortcode
+			$shortcode_obj->_attributes = (array) $attributes;
+			return $shortcode_obj->process_shortcode($shortcode_obj->_attributes);
+		} else {
+			return null;
+		}
+	}
+
+
+
+
+	/**
+	 *    invalid_shortcode_processor -  used in cases where we know the shortcode is invalid, most likely due to a deactivated addon, and simply returns an empty string
+	 *
+	 * @access  public
+	 * @param   $attributes
+	 * @return  string
+	 */
+	final public static function invalid_shortcode_processor($attributes)
+	{
+		return '';
+	}
+
+
+
+
+
+	/**
+	 * Performs basic sanitization on shortcode attributes
+	 * Since incoming attributes from the shortcode usage in the WP editor will all be strings,
+	 * most attributes will by default be sanitized using the sanitize_text_field() function.
+	 * This can be overridden by supplying an array for the $custom_sanitization param,
+	 * where keys match keys in your attributes array,
+	 * and values represent the sanitization function you wish to be applied to that attribute.
+	 * So for example, if you had an integer attribute named "event_id"
+	 * that you wanted to be sanitized using absint(),
+	 * then you would pass the following for your $custom_sanitization array:
+	 *      array('event_id' => 'absint')
+	 * all other attributes would be sanitized using the defaults in the switch statement below
+	 *
+	 * @param array $attributes
+	 * @param array $custom_sanitization
+	 * @return array
+	 */
+	public static function sanitize_attributes(array $attributes, $custom_sanitization = array())
+	{
+		foreach ($attributes as $key => $value) {
+			// is a custom sanitization callback specified ?
+			if (isset($custom_sanitization[ $key ])) {
+				$callback = $custom_sanitization[ $key ];
+				if ($callback === 'skip_sanitization') {
+					$attributes[ $key ] = $value;
+					continue;
+				} elseif (function_exists($callback)) {
+					$attributes[ $key ] = $callback($value);
+					continue;
+				}
+			}
+			switch (true) {
+				case $value === null:
+				case is_int($value):
+				case is_float($value):
+					// typical booleans
+				case in_array($value, array(true, 'true', '1', 'on', 'yes', false, 'false', '0', 'off', 'no'), true):
+					$attributes[ $key ] = $value;
+					break;
+				case is_string($value):
+					$attributes[ $key ] = sanitize_text_field($value);
+					break;
+				case is_array($value):
+					$attributes[ $key ] = \EES_Shortcode::sanitize_attributes($value);
+					break;
+				default:
+					// only remaining data types are Object and Resource
+					// which are not allowed as shortcode attributes
+					$attributes[ $key ] = null;
+					break;
+			}
+		}
+		return $attributes;
+	}
 }

core/services/request/CurrentPage.php

Indentation +282 added lines, -282 removed lines

@@ -7,286 +7,286 @@
 
 class CurrentPage
 {
-    /**
-     * @var EE_CPT_Strategy
-     */
-    private $cpt_strategy;
-
-    /**
-     * @var bool
-     */
-    private $initialized;
-
-    /**
-     * @var bool
-     */
-    private $is_espresso_page = false;
-
-    /**
-     * @var int
-     */
-    private $post_id = 0;
-
-    /**
-     * @var string
-     */
-    private $post_name = '';
-
-    /**
-     * @var array
-     */
-    private $post_type = [];
-
-    /**
-     * @var RequestInterface $request
-     */
-    private $request;
-
-
-    /**
-     * CurrentPage constructor.
-     *
-     * @param EE_CPT_Strategy  $cpt_strategy
-     * @param RequestInterface $request
-     */
-    public function __construct(EE_CPT_Strategy $cpt_strategy, RequestInterface $request)
-    {
-        $this->cpt_strategy = $cpt_strategy;
-        $this->request      = $request;
-        $this->initialized  = is_admin();
-        // analyse the incoming WP request
-        add_action('parse_request', [$this, 'parseQueryVars'], 2, 1);
-    }
-
-
-    /**
-     * @param WP $WP
-     * @return void
-     */
-    public function parseQueryVars(WP $WP = null)
-    {
-        if ($this->initialized) {
-            return;
-        }
-        // if somebody forgot to provide us with WP, that's ok because its global
-        if (! $WP instanceof WP) {
-            global $WP;
-        }
-        $this->post_id   = $this->getPostId($WP);
-        $this->post_name = $this->getPostName($WP);
-        $this->post_type = $this->getPostType($WP);
-        // true or false ? is this page being used by EE ?
-        $this->setEspressoPage();
-        remove_action('parse_request', [$this, 'parseRequest'], 2);
-        $this->initialized   = true;
-    }
-
-
-    /**
-     * Just a helper method for getting the url for the displayed page.
-     *
-     * @param WP|null $WP
-     * @return string
-     */
-    public function getPermalink(WP $WP = null)
-    {
-        $post_id = $this->post_id ?: $this->getPostId($WP);
-        if ($post_id) {
-            return get_permalink($post_id);
-        }
-        if (! $WP instanceof WP) {
-            global $WP;
-        }
-        if ($WP->request) {
-            return site_url($WP->request);
-        }
-        return esc_url_raw(site_url($_SERVER['REQUEST_URI']));
-    }
-
-
-    /**
-     * @return array
-     */
-    public function espressoPostType()
-    {
-        return array_filter(
-            $this->post_type,
-            function ($post_type) {
-                return strpos($post_type, 'espresso_') === 0;
-            }
-        );
-    }
-
-
-    /**
-     * @param WP $WP
-     * @return int
-     */
-    private function getPostId(WP $WP)
-    {
-        $post_id = null;
-        if (isset($WP->query_vars['p'])) {
-            $post_id = $WP->query_vars['p'];
-        }
-        if (! $post_id && isset($WP->query_vars['page_id'])) {
-            $post_id = $WP->query_vars['page_id'];
-        }
-        if (! $post_id && $WP->request !== null && is_numeric(basename($WP->request))) {
-            $post_id = basename($WP->request);
-        }
-        if (! $post_id && $this->request->requestParamIsSet('post_id')) {
-            $post_id = $this->request->getRequestParam('post_id');
-        }
-        return $post_id;
-    }
-
-
-    /**
-     * @param WP $WP
-     * @return string
-     */
-    private function getPostName(WP $WP)
-    {
-        global $wpdb;
-        $post_name = null;
-        if (isset($WP->query_vars['name']) && ! empty($WP->query_vars['name'])) {
-            $post_name = $WP->query_vars['name'];
-        }
-        if (! $post_name && isset($WP->query_vars['pagename']) && ! empty($WP->query_vars['pagename'])) {
-            $post_name = $WP->query_vars['pagename'];
-        }
-        if (! $post_name && $WP->request !== null && ! empty($WP->request)) {
-            $possible_post_name = basename($WP->request);
-            if (! is_numeric($possible_post_name)) {
-                $SQL                = "SELECT ID from {$wpdb->posts}";
-                $SQL                .= " WHERE post_status NOT IN ('auto-draft', 'inherit', 'trash')";
-                $SQL                .= ' AND post_name=%s';
-                $possible_post_name = $wpdb->get_var($wpdb->prepare($SQL, $possible_post_name));
-                if ($possible_post_name) {
-                    $post_name = $possible_post_name;
-                }
-            }
-        }
-        if (! $post_name && $this->post_id) {
-            $SQL                = "SELECT post_name from {$wpdb->posts}";
-            $SQL                .= " WHERE post_status NOT IN ('auto-draft', 'inherit', 'trash')";
-            $SQL                .= ' AND ID=%d';
-            $possible_post_name = $wpdb->get_var($wpdb->prepare($SQL, $this->post_id));
-            if ($possible_post_name) {
-                $post_name = $possible_post_name;
-            }
-        }
-        if (! $post_name && $this->request->requestParamIsSet('post_name')) {
-            $post_name = $this->request->getRequestParam('post_name');
-        }
-        return $post_name;
-    }
-
-
-    /**
-     * @param WP $WP
-     * @return array
-     */
-    private function getPostType(WP $WP)
-    {
-        $post_types = isset($WP->query_vars['post_type'])
-            ? (array) $WP->query_vars['post_type']
-            : [];
-        if (empty($post_types) && $this->request->requestParamIsSet('post_type')) {
-            $post_types = $this->request->getRequestParam('post_type');
-        }
-        return (array) $post_types;
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isEspressoPage()
-    {
-        return $this->is_espresso_page;
-    }
-
-
-    /**
-     * @return int
-     */
-    public function postId()
-    {
-        return $this->post_id;
-    }
-
-
-    /**
-     * @return string
-     */
-    public function postName()
-    {
-        return $this->post_name;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function postType()
-    {
-        return $this->post_type;
-    }
-
-
-    /**
-     * @param null|bool $value
-     * @return void
-     */
-    public function setEspressoPage($value = null)
-    {
-        $this->is_espresso_page = $value !== null
-            ? filter_var($value, FILTER_VALIDATE_BOOLEAN)
-            : $this->testForEspressoPage();
-    }
-
-
-    /**
-     * @return bool
-     */
-    private function testForEspressoPage()
-    {
-        // in case it has already been set
-        if ($this->is_espresso_page) {
-            return true;
-        }
-        global $WP;
-        $espresso_CPT_taxonomies = $this->cpt_strategy->get_CPT_taxonomies();
-        if (is_array($espresso_CPT_taxonomies)) {
-            foreach ($espresso_CPT_taxonomies as $espresso_CPT_taxonomy => $details) {
-                if (isset($WP->query_vars, $WP->query_vars[ $espresso_CPT_taxonomy ])) {
-                    return true;
-                }
-            }
-        }
-        // load espresso CPT endpoints
-        $espresso_CPT_endpoints  = $this->cpt_strategy->get_CPT_endpoints();
-        $post_type_CPT_endpoints = array_flip($espresso_CPT_endpoints);
-        foreach ($this->post_type as $post_type) {
-            // was a post name passed ?
-            if (isset($post_type_CPT_endpoints[ $post_type ])) {
-                // kk we know this is an espresso page, but is it a specific post ?
-                if (! $this->post_name) {
-                    $espresso_post_type = $this->request->getRequestParam('post_type');
-                    // there's no specific post name set, so maybe it's one of our endpoints like www.domain.com/events
-                    // this essentially sets the post_name to "events" (or whatever EE CPT)
-                    $post_name = isset($post_type_CPT_endpoints[ $espresso_post_type ])
-                        ? $post_type_CPT_endpoints[ $espresso_post_type ]
-                        : '';
-                    // if the post type matches one of ours then set the post name to the endpoint
-                    if ($post_name) {
-                        $this->post_name = $post_name;
-                    }
-                }
-                return true;
-            }
-        }
-        return false;
-    }
+	/**
+	 * @var EE_CPT_Strategy
+	 */
+	private $cpt_strategy;
+
+	/**
+	 * @var bool
+	 */
+	private $initialized;
+
+	/**
+	 * @var bool
+	 */
+	private $is_espresso_page = false;
+
+	/**
+	 * @var int
+	 */
+	private $post_id = 0;
+
+	/**
+	 * @var string
+	 */
+	private $post_name = '';
+
+	/**
+	 * @var array
+	 */
+	private $post_type = [];
+
+	/**
+	 * @var RequestInterface $request
+	 */
+	private $request;
+
+
+	/**
+	 * CurrentPage constructor.
+	 *
+	 * @param EE_CPT_Strategy  $cpt_strategy
+	 * @param RequestInterface $request
+	 */
+	public function __construct(EE_CPT_Strategy $cpt_strategy, RequestInterface $request)
+	{
+		$this->cpt_strategy = $cpt_strategy;
+		$this->request      = $request;
+		$this->initialized  = is_admin();
+		// analyse the incoming WP request
+		add_action('parse_request', [$this, 'parseQueryVars'], 2, 1);
+	}
+
+
+	/**
+	 * @param WP $WP
+	 * @return void
+	 */
+	public function parseQueryVars(WP $WP = null)
+	{
+		if ($this->initialized) {
+			return;
+		}
+		// if somebody forgot to provide us with WP, that's ok because its global
+		if (! $WP instanceof WP) {
+			global $WP;
+		}
+		$this->post_id   = $this->getPostId($WP);
+		$this->post_name = $this->getPostName($WP);
+		$this->post_type = $this->getPostType($WP);
+		// true or false ? is this page being used by EE ?
+		$this->setEspressoPage();
+		remove_action('parse_request', [$this, 'parseRequest'], 2);
+		$this->initialized   = true;
+	}
+
+
+	/**
+	 * Just a helper method for getting the url for the displayed page.
+	 *
+	 * @param WP|null $WP
+	 * @return string
+	 */
+	public function getPermalink(WP $WP = null)
+	{
+		$post_id = $this->post_id ?: $this->getPostId($WP);
+		if ($post_id) {
+			return get_permalink($post_id);
+		}
+		if (! $WP instanceof WP) {
+			global $WP;
+		}
+		if ($WP->request) {
+			return site_url($WP->request);
+		}
+		return esc_url_raw(site_url($_SERVER['REQUEST_URI']));
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function espressoPostType()
+	{
+		return array_filter(
+			$this->post_type,
+			function ($post_type) {
+				return strpos($post_type, 'espresso_') === 0;
+			}
+		);
+	}
+
+
+	/**
+	 * @param WP $WP
+	 * @return int
+	 */
+	private function getPostId(WP $WP)
+	{
+		$post_id = null;
+		if (isset($WP->query_vars['p'])) {
+			$post_id = $WP->query_vars['p'];
+		}
+		if (! $post_id && isset($WP->query_vars['page_id'])) {
+			$post_id = $WP->query_vars['page_id'];
+		}
+		if (! $post_id && $WP->request !== null && is_numeric(basename($WP->request))) {
+			$post_id = basename($WP->request);
+		}
+		if (! $post_id && $this->request->requestParamIsSet('post_id')) {
+			$post_id = $this->request->getRequestParam('post_id');
+		}
+		return $post_id;
+	}
+
+
+	/**
+	 * @param WP $WP
+	 * @return string
+	 */
+	private function getPostName(WP $WP)
+	{
+		global $wpdb;
+		$post_name = null;
+		if (isset($WP->query_vars['name']) && ! empty($WP->query_vars['name'])) {
+			$post_name = $WP->query_vars['name'];
+		}
+		if (! $post_name && isset($WP->query_vars['pagename']) && ! empty($WP->query_vars['pagename'])) {
+			$post_name = $WP->query_vars['pagename'];
+		}
+		if (! $post_name && $WP->request !== null && ! empty($WP->request)) {
+			$possible_post_name = basename($WP->request);
+			if (! is_numeric($possible_post_name)) {
+				$SQL                = "SELECT ID from {$wpdb->posts}";
+				$SQL                .= " WHERE post_status NOT IN ('auto-draft', 'inherit', 'trash')";
+				$SQL                .= ' AND post_name=%s';
+				$possible_post_name = $wpdb->get_var($wpdb->prepare($SQL, $possible_post_name));
+				if ($possible_post_name) {
+					$post_name = $possible_post_name;
+				}
+			}
+		}
+		if (! $post_name && $this->post_id) {
+			$SQL                = "SELECT post_name from {$wpdb->posts}";
+			$SQL                .= " WHERE post_status NOT IN ('auto-draft', 'inherit', 'trash')";
+			$SQL                .= ' AND ID=%d';
+			$possible_post_name = $wpdb->get_var($wpdb->prepare($SQL, $this->post_id));
+			if ($possible_post_name) {
+				$post_name = $possible_post_name;
+			}
+		}
+		if (! $post_name && $this->request->requestParamIsSet('post_name')) {
+			$post_name = $this->request->getRequestParam('post_name');
+		}
+		return $post_name;
+	}
+
+
+	/**
+	 * @param WP $WP
+	 * @return array
+	 */
+	private function getPostType(WP $WP)
+	{
+		$post_types = isset($WP->query_vars['post_type'])
+			? (array) $WP->query_vars['post_type']
+			: [];
+		if (empty($post_types) && $this->request->requestParamIsSet('post_type')) {
+			$post_types = $this->request->getRequestParam('post_type');
+		}
+		return (array) $post_types;
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isEspressoPage()
+	{
+		return $this->is_espresso_page;
+	}
+
+
+	/**
+	 * @return int
+	 */
+	public function postId()
+	{
+		return $this->post_id;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function postName()
+	{
+		return $this->post_name;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function postType()
+	{
+		return $this->post_type;
+	}
+
+
+	/**
+	 * @param null|bool $value
+	 * @return void
+	 */
+	public function setEspressoPage($value = null)
+	{
+		$this->is_espresso_page = $value !== null
+			? filter_var($value, FILTER_VALIDATE_BOOLEAN)
+			: $this->testForEspressoPage();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	private function testForEspressoPage()
+	{
+		// in case it has already been set
+		if ($this->is_espresso_page) {
+			return true;
+		}
+		global $WP;
+		$espresso_CPT_taxonomies = $this->cpt_strategy->get_CPT_taxonomies();
+		if (is_array($espresso_CPT_taxonomies)) {
+			foreach ($espresso_CPT_taxonomies as $espresso_CPT_taxonomy => $details) {
+				if (isset($WP->query_vars, $WP->query_vars[ $espresso_CPT_taxonomy ])) {
+					return true;
+				}
+			}
+		}
+		// load espresso CPT endpoints
+		$espresso_CPT_endpoints  = $this->cpt_strategy->get_CPT_endpoints();
+		$post_type_CPT_endpoints = array_flip($espresso_CPT_endpoints);
+		foreach ($this->post_type as $post_type) {
+			// was a post name passed ?
+			if (isset($post_type_CPT_endpoints[ $post_type ])) {
+				// kk we know this is an espresso page, but is it a specific post ?
+				if (! $this->post_name) {
+					$espresso_post_type = $this->request->getRequestParam('post_type');
+					// there's no specific post name set, so maybe it's one of our endpoints like www.domain.com/events
+					// this essentially sets the post_name to "events" (or whatever EE CPT)
+					$post_name = isset($post_type_CPT_endpoints[ $espresso_post_type ])
+						? $post_type_CPT_endpoints[ $espresso_post_type ]
+						: '';
+					// if the post type matches one of ours then set the post name to the endpoint
+					if ($post_name) {
+						$this->post_name = $post_name;
+					}
+				}
+				return true;
+			}
+		}
+		return false;
+	}
 }

Spacing +17 added lines, -17 removed lines

@@ -69,7 +69,7 @@ 
             return;
         }
         // if somebody forgot to provide us with WP, that's ok because its global
-        if (! $WP instanceof WP) {
+        if ( ! $WP instanceof WP) {
             global $WP;
         }
         $this->post_id   = $this->getPostId($WP);
@@ -78,7 +78,7 @@ 
         // true or false ? is this page being used by EE ?
         $this->setEspressoPage();
         remove_action('parse_request', [$this, 'parseRequest'], 2);
-        $this->initialized   = true;
+        $this->initialized = true;
     }
 
 
@@ -94,7 +94,7 @@ 
         if ($post_id) {
             return get_permalink($post_id);
         }
-        if (! $WP instanceof WP) {
+        if ( ! $WP instanceof WP) {
             global $WP;
         }
         if ($WP->request) {
@@ -111,7 +111,7 @@ 
     {
         return array_filter(
             $this->post_type,
-            function ($post_type) {
+            function($post_type) {
                 return strpos($post_type, 'espresso_') === 0;
             }
         );
@@ -128,13 +128,13 @@ 
         if (isset($WP->query_vars['p'])) {
             $post_id = $WP->query_vars['p'];
         }
-        if (! $post_id && isset($WP->query_vars['page_id'])) {
+        if ( ! $post_id && isset($WP->query_vars['page_id'])) {
             $post_id = $WP->query_vars['page_id'];
         }
-        if (! $post_id && $WP->request !== null && is_numeric(basename($WP->request))) {
+        if ( ! $post_id && $WP->request !== null && is_numeric(basename($WP->request))) {
             $post_id = basename($WP->request);
         }
-        if (! $post_id && $this->request->requestParamIsSet('post_id')) {
+        if ( ! $post_id && $this->request->requestParamIsSet('post_id')) {
             $post_id = $this->request->getRequestParam('post_id');
         }
         return $post_id;
@@ -152,12 +152,12 @@ 
         if (isset($WP->query_vars['name']) && ! empty($WP->query_vars['name'])) {
             $post_name = $WP->query_vars['name'];
         }
-        if (! $post_name && isset($WP->query_vars['pagename']) && ! empty($WP->query_vars['pagename'])) {
+        if ( ! $post_name && isset($WP->query_vars['pagename']) && ! empty($WP->query_vars['pagename'])) {
             $post_name = $WP->query_vars['pagename'];
         }
-        if (! $post_name && $WP->request !== null && ! empty($WP->request)) {
+        if ( ! $post_name && $WP->request !== null && ! empty($WP->request)) {
             $possible_post_name = basename($WP->request);
-            if (! is_numeric($possible_post_name)) {
+            if ( ! is_numeric($possible_post_name)) {
                 $SQL                = "SELECT ID from {$wpdb->posts}";
                 $SQL                .= " WHERE post_status NOT IN ('auto-draft', 'inherit', 'trash')";
                 $SQL                .= ' AND post_name=%s';
@@ -167,7 +167,7 @@ 
                 }
             }
         }
-        if (! $post_name && $this->post_id) {
+        if ( ! $post_name && $this->post_id) {
             $SQL                = "SELECT post_name from {$wpdb->posts}";
             $SQL                .= " WHERE post_status NOT IN ('auto-draft', 'inherit', 'trash')";
             $SQL                .= ' AND ID=%d';
@@ -176,7 +176,7 @@ 
                 $post_name = $possible_post_name;
             }
         }
-        if (! $post_name && $this->request->requestParamIsSet('post_name')) {
+        if ( ! $post_name && $this->request->requestParamIsSet('post_name')) {
             $post_name = $this->request->getRequestParam('post_name');
         }
         return $post_name;
@@ -260,7 +260,7 @@ 
         $espresso_CPT_taxonomies = $this->cpt_strategy->get_CPT_taxonomies();
         if (is_array($espresso_CPT_taxonomies)) {
             foreach ($espresso_CPT_taxonomies as $espresso_CPT_taxonomy => $details) {
-                if (isset($WP->query_vars, $WP->query_vars[ $espresso_CPT_taxonomy ])) {
+                if (isset($WP->query_vars, $WP->query_vars[$espresso_CPT_taxonomy])) {
                     return true;
                 }
             }
@@ -270,14 +270,14 @@ 
         $post_type_CPT_endpoints = array_flip($espresso_CPT_endpoints);
         foreach ($this->post_type as $post_type) {
             // was a post name passed ?
-            if (isset($post_type_CPT_endpoints[ $post_type ])) {
+            if (isset($post_type_CPT_endpoints[$post_type])) {
                 // kk we know this is an espresso page, but is it a specific post ?
-                if (! $this->post_name) {
+                if ( ! $this->post_name) {
                     $espresso_post_type = $this->request->getRequestParam('post_type');
                     // there's no specific post name set, so maybe it's one of our endpoints like www.domain.com/events
                     // this essentially sets the post_name to "events" (or whatever EE CPT)
-                    $post_name = isset($post_type_CPT_endpoints[ $espresso_post_type ])
-                        ? $post_type_CPT_endpoints[ $espresso_post_type ]
+                    $post_name = isset($post_type_CPT_endpoints[$espresso_post_type])
+                        ? $post_type_CPT_endpoints[$espresso_post_type]
                         : '';
                     // if the post type matches one of ours then set the post name to the endpoint
                     if ($post_name) {

core/services/request/ResponseInterface.php

Indentation +42 added lines, -42 removed lines

@@ -12,54 +12,54 @@
 interface ResponseInterface
 {
 
-    /**
-     * @param $key
-     * @param $value
-     * @return    void
-     */
-    public function setNotice($key, $value);
+	/**
+	 * @param $key
+	 * @param $value
+	 * @return    void
+	 */
+	public function setNotice($key, $value);
 
-    /**
-     * @param $key
-     * @return    mixed
-     */
-    public function getNotice($key);
+	/**
+	 * @param $key
+	 * @return    mixed
+	 */
+	public function getNotice($key);
 
-    /**
-     * @return    array
-     */
-    public function getNotices();
+	/**
+	 * @return    array
+	 */
+	public function getNotices();
 
-    /**
-     * @param string $string
-     * @param bool   $append
-     */
-    public function addOutput($string, $append = true);
+	/**
+	 * @param string $string
+	 * @param bool   $append
+	 */
+	public function addOutput($string, $append = true);
 
-    /**
-     * @param bool   $as_string
-     * @param string $separator
-     * @return array|string
-     */
-    public function getOutput($as_string = true, $separator = PHP_EOL);
+	/**
+	 * @param bool   $as_string
+	 * @param string $separator
+	 * @return array|string
+	 */
+	public function getOutput($as_string = true, $separator = PHP_EOL);
 
-    /**
-     * @return boolean
-     */
-    public function requestTerminated();
+	/**
+	 * @return boolean
+	 */
+	public function requestTerminated();
 
-    /**
-     * @param boolean $request_terminated
-     */
-    public function terminateRequest($request_terminated = true);
+	/**
+	 * @param boolean $request_terminated
+	 */
+	public function terminateRequest($request_terminated = true);
 
-    /**
-     * @return boolean
-     */
-    public function pluginDeactivated();
+	/**
+	 * @return boolean
+	 */
+	public function pluginDeactivated();
 
-    /**
-     * sets $deactivate_plugin to true
-     */
-    public function deactivatePlugin();
+	/**
+	 * sets $deactivate_plugin to true
+	 */
+	public function deactivatePlugin();
 }

core/services/request/RequestInterface.php

Indentation +153 added lines, -153 removed lines

@@ -16,159 +16,159 @@
 interface RequestInterface extends RequestTypeContextCheckerInterface
 {
 
-    /**
-     * @param RequestTypeContextCheckerInterface $type
-     */
-    public function setRequestTypeContextChecker(RequestTypeContextCheckerInterface $type);
-
-    /**
-     * @return array
-     */
-    public function getParams();
-
-
-    /**
-     * @return array
-     */
-    public function postParams();
-
-
-    /**
-     * @return array
-     */
-    public function cookieParams();
-
-
-    /**
-     * @return array
-     */
-    public function serverParams();
-
-
-    /**
-     * @return array
-     */
-    public function filesParams();
-
-
-    /**
-     * returns contents of $_REQUEST
-     *
-     * @return array
-     */
-    public function requestParams();
-
-
-    /**
-     * @param string $key
-     * @param string $value
-     * @param bool   $override_ee
-     * @return    void
-     */
-    public function setRequestParam($key, $value, $override_ee = false);
+	/**
+	 * @param RequestTypeContextCheckerInterface $type
+	 */
+	public function setRequestTypeContextChecker(RequestTypeContextCheckerInterface $type);
+
+	/**
+	 * @return array
+	 */
+	public function getParams();
+
+
+	/**
+	 * @return array
+	 */
+	public function postParams();
+
+
+	/**
+	 * @return array
+	 */
+	public function cookieParams();
+
+
+	/**
+	 * @return array
+	 */
+	public function serverParams();
+
+
+	/**
+	 * @return array
+	 */
+	public function filesParams();
+
+
+	/**
+	 * returns contents of $_REQUEST
+	 *
+	 * @return array
+	 */
+	public function requestParams();
+
+
+	/**
+	 * @param string $key
+	 * @param string $value
+	 * @param bool   $override_ee
+	 * @return    void
+	 */
+	public function setRequestParam($key, $value, $override_ee = false);
 
 
-    /**
-     * returns   the value for a request param if the given key exists
-     *
-     * @param string     $key
-     * @param mixed|null $default
-     * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
-     * @param string     $delimiter for CSV type strings that should be returned as an array
-     * @return mixed
-     */
-    public function getRequestParam($key, $default = null, $type = 'string', $delimiter = ',');
-
-
-    /**
-     * check if param exists
-     *
-     * @param string $key
-     * @return bool
-     */
-    public function requestParamIsSet($key);
-
-
-    /**
-     * check if a request parameter exists whose key that matches the supplied wildcard pattern
-     * and return the value for the first match found
-     * wildcards can be either of the following:
-     *      ? to represent a single character of any type
-     *      * to represent one or more characters of any type
-     *
-     * @param string     $pattern
-     * @param mixed|null $default
-     * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
-     * @param string     $delimiter for CSV type strings that should be returned as an array
-     * @return mixed
-     */
-    public function getMatch($pattern, $default = null, $type = 'string', $delimiter = ',');
-
-
-    /**
-     * check if a request parameter exists whose key matches the supplied wildcard pattern
-     * wildcards can be either of the following:
-     *      ? to represent a single character of any type
-     *      * to represent one or more characters of any type
-     * returns true if a match is found or false if not
-     *
-     * @param string $pattern
-     * @return false|int
-     */
-    public function matches($pattern);
-
-
-    /**
-     * remove param
-     *
-     * @param string $key
-     * @param bool   $unset_from_global_too
-     */
-    public function unSetRequestParam($key, $unset_from_global_too = false);
-
-
-    /**
-     * remove params
-     *
-     * @param array $keys
-     * @param bool   $unset_from_global_too
-     */
-    public function unSetRequestParams(array $keys, $unset_from_global_too = false);
-
-
-    /**
-     * @return string
-     */
-    public function ipAddress();
-
-
-    /**
-     * @param boolean $relativeToWpRoot whether to return the uri relative to WordPress' home URL, or not.
-     * @return string
-     */
-    public function requestUri($relativeToWpRoot = false);
-
-
-    /**
-     * @return string
-     */
-    public function userAgent();
-
-
-    /**
-     * @param string $user_agent
-     */
-    public function setUserAgent($user_agent = '');
-
-
-    /**
-     * @return bool
-     */
-    public function isBot();
-
-
-    /**
-     * @param bool $is_bot
-     */
-    public function setIsBot($is_bot);
+	/**
+	 * returns   the value for a request param if the given key exists
+	 *
+	 * @param string     $key
+	 * @param mixed|null $default
+	 * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
+	 * @param string     $delimiter for CSV type strings that should be returned as an array
+	 * @return mixed
+	 */
+	public function getRequestParam($key, $default = null, $type = 'string', $delimiter = ',');
+
+
+	/**
+	 * check if param exists
+	 *
+	 * @param string $key
+	 * @return bool
+	 */
+	public function requestParamIsSet($key);
+
+
+	/**
+	 * check if a request parameter exists whose key that matches the supplied wildcard pattern
+	 * and return the value for the first match found
+	 * wildcards can be either of the following:
+	 *      ? to represent a single character of any type
+	 *      * to represent one or more characters of any type
+	 *
+	 * @param string     $pattern
+	 * @param mixed|null $default
+	 * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
+	 * @param string     $delimiter for CSV type strings that should be returned as an array
+	 * @return mixed
+	 */
+	public function getMatch($pattern, $default = null, $type = 'string', $delimiter = ',');
+
+
+	/**
+	 * check if a request parameter exists whose key matches the supplied wildcard pattern
+	 * wildcards can be either of the following:
+	 *      ? to represent a single character of any type
+	 *      * to represent one or more characters of any type
+	 * returns true if a match is found or false if not
+	 *
+	 * @param string $pattern
+	 * @return false|int
+	 */
+	public function matches($pattern);
+
+
+	/**
+	 * remove param
+	 *
+	 * @param string $key
+	 * @param bool   $unset_from_global_too
+	 */
+	public function unSetRequestParam($key, $unset_from_global_too = false);
+
+
+	/**
+	 * remove params
+	 *
+	 * @param array $keys
+	 * @param bool   $unset_from_global_too
+	 */
+	public function unSetRequestParams(array $keys, $unset_from_global_too = false);
+
+
+	/**
+	 * @return string
+	 */
+	public function ipAddress();
+
+
+	/**
+	 * @param boolean $relativeToWpRoot whether to return the uri relative to WordPress' home URL, or not.
+	 * @return string
+	 */
+	public function requestUri($relativeToWpRoot = false);
+
+
+	/**
+	 * @return string
+	 */
+	public function userAgent();
+
+
+	/**
+	 * @param string $user_agent
+	 */
+	public function setUserAgent($user_agent = '');
+
+
+	/**
+	 * @return bool
+	 */
+	public function isBot();
+
+
+	/**
+	 * @param bool $is_bot
+	 */
+	public function setIsBot($is_bot);
 }

core/services/request/Request.php

Indentation +715 added lines, -715 removed lines

@@ -17,719 +17,719 @@
 class Request implements InterminableInterface, RequestInterface, ReservedInstanceInterface
 {
 
-    /**
-     * $_GET parameters
-     *
-     * @var array $get
-     */
-    protected $get;
-
-    /**
-     * $_POST parameters
-     *
-     * @var array $post
-     */
-    protected $post;
-
-    /**
-     * $_COOKIE parameters
-     *
-     * @var array $cookie
-     */
-    protected $cookie;
-
-    /**
-     * $_SERVER parameters
-     *
-     * @var array $server
-     */
-    protected $server;
-
-    /**
-     * $_FILES parameters
-     *
-     * @var array $files
-     */
-    protected $files;
-
-    /**
-     * $_REQUEST parameters
-     *
-     * @var array $request
-     */
-    protected $request;
-
-    /**
-     * @var RequestTypeContextCheckerInterface
-     */
-    protected $request_type;
-
-    /**
-     * IP address for request
-     *
-     * @var string $ip_address
-     */
-    protected $ip_address;
-
-    /**
-     * @var string $user_agent
-     */
-    protected $user_agent;
-
-    /**
-     * true if current user appears to be some kind of bot
-     *
-     * @var bool $is_bot
-     */
-    protected $is_bot;
-
-
-    /**
-     * @param array $get
-     * @param array $post
-     * @param array $cookie
-     * @param array $server
-     * @param array $files
-     */
-    public function __construct(array $get, array $post, array $cookie, array $server, array $files = [])
-    {
-        // grab request vars
-        $this->get        = $get;
-        $this->post       = $post;
-        $this->cookie     = $cookie;
-        $this->server     = $server;
-        $this->files      = $files;
-        $this->request    = array_merge($this->get, $this->post);
-        $this->ip_address = $this->visitorIp();
-    }
-
-
-    /**
-     * @param RequestTypeContextCheckerInterface $type
-     */
-    public function setRequestTypeContextChecker(RequestTypeContextCheckerInterface $type)
-    {
-        $this->request_type = $type;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function getParams()
-    {
-        return $this->get;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function postParams()
-    {
-        return $this->post;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function cookieParams()
-    {
-        return $this->cookie;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function serverParams()
-    {
-        return $this->server;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function filesParams()
-    {
-        return $this->files;
-    }
-
-
-    /**
-     * returns contents of $_REQUEST
-     *
-     * @return array
-     */
-    public function requestParams()
-    {
-        return $this->request;
-    }
-
-
-    /**
-     * @param string     $key
-     * @param mixed|null $value
-     * @param bool       $override_ee
-     * @return    void
-     */
-    public function setRequestParam($key, $value, $override_ee = false)
-    {
-        // don't allow "ee" to be overwritten unless explicitly instructed to do so
-        if ($override_ee || $key !== 'ee' || empty($this->request['ee'])) {
-            $this->request[ $key ] = $value;
-        }
-    }
-
-
-    /**
-     * returns   the value for a request param if the given key exists
-     *
-     * @param string     $key
-     * @param mixed|null $default
-     * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
-     * @param string     $delimiter for CSV type strings that should be returned as an array
-     * @return mixed
-     */
-    public function getRequestParam($key, $default = null, $type = 'string', $delimiter = ',')
-    {
-        return $this->sanitizeRequestParam(
-            $this->requestParameterDrillDown($key, $default, 'get'),
-            $type
-        );
-    }
-
-
-    /**
-     * check if param exists
-     *
-     * @param string $key
-     * @return bool
-     */
-    public function requestParamIsSet($key)
-    {
-        return (bool) $this->requestParameterDrillDown($key);
-    }
-
-
-    /**
-     * check if a request parameter exists whose key that matches the supplied wildcard pattern
-     * and return the value for the first match found
-     * wildcards can be either of the following:
-     *      ? to represent a single character of any type
-     *      * to represent one or more characters of any type
-     *
-     * @param string     $pattern
-     * @param mixed|null $default
-     * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
-     * @param string     $delimiter for CSV type strings that should be returned as an array
-     * @return mixed
-     */
-    public function getMatch($pattern, $default = null, $type = 'string', $delimiter = ',')
-    {
-        return $this->sanitizeRequestParam(
-            $this->requestParameterDrillDown($pattern, $default, 'match'),
-            $type
-        );
-    }
-
-
-    /**
-     * check if a request parameter exists whose key matches the supplied wildcard pattern
-     * wildcards can be either of the following:
-     *      ? to represent a single character of any type
-     *      * to represent one or more characters of any type
-     * returns true if a match is found or false if not
-     *
-     * @param string $pattern
-     * @return bool
-     */
-    public function matches($pattern)
-    {
-        return (bool) $this->requestParameterDrillDown($pattern, false, 'match', 'bool');
-    }
-
-
-    /**
-     * @see https://stackoverflow.com/questions/6163055/php-string-matching-with-wildcard
-     * @param string $pattern               A string including wildcards to be converted to a regex pattern
-     *                                      and used to search through the current request's parameter keys
-     * @param array  $request_params        The array of request parameters to search through
-     * @param mixed  $default               [optional] The value to be returned if no match is found.
-     *                                      Default is null
-     * @param string $return                [optional] Controls what kind of value is returned.
-     *                                      Options are:
-     *                                      'bool' will return true or false if match is found or not
-     *                                      'key' will return the first key found that matches the supplied pattern
-     *                                      'value' will return the value for the first request parameter
-     *                                      whose key matches the supplied pattern
-     *                                      Default is 'value'
-     * @return boolean|string
-     */
-    private function match($pattern, array $request_params, $default = null, $return = 'value')
-    {
-        $return = in_array($return, ['bool', 'key', 'value'], true)
-            ? $return
-            : 'is_set';
-        // replace wildcard chars with regex chars
-        $pattern = str_replace(
-            ["\*", "\?"],
-            ['.*', '.'],
-            preg_quote($pattern, '/')
-        );
-        foreach ($request_params as $key => $request_param) {
-            if (preg_match('/^' . $pattern . '$/is', $key)) {
-                // return value for request param
-                if ($return === 'value') {
-                    return $request_param;
-                }
-                // or actual key or true just to indicate it was found
-                return $return === 'key' ? $key : true;
-            }
-        }
-        // match not found so return default value or false
-        return $return === 'value' ? $default : false;
-    }
-
-
-    /**
-     * the supplied key can be a simple string to represent a "top-level" request parameter
-     * or represent a key for a request parameter that is nested deeper within the request parameter array,
-     * by using square brackets to surround keys for deeper array elements.
-     * For example :
-     * if the supplied $key was: "first[second][third]"
-     * then this will attempt to drill down into the request parameter array to find a value.
-     * Given the following request parameters:
-     *  array(
-     *      'first' => array(
-     *          'second' => array(
-     *              'third' => 'has a value'
-     *          )
-     *      )
-     *  )
-     * would return true if default parameters were set
-     *
-     * @param string $callback
-     * @param        $key
-     * @param null   $default
-     * @param string $return
-     * @param array  $request_params
-     * @return bool|mixed|null
-     */
-    private function requestParameterDrillDown(
-        $key,
-        $default = null,
-        $callback = 'is_set',
-        $return = 'value',
-        array $request_params = []
-    ) {
-        $callback       = in_array($callback, ['is_set', 'get', 'match'], true)
-            ? $callback
-            : 'is_set';
-        $request_params = ! empty($request_params)
-            ? $request_params
-            : $this->request;
-        // does incoming key represent an array like 'first[second][third]'  ?
-        if (strpos($key, '[') !== false) {
-            // turn it into an actual array
-            $key  = str_replace(']', '', $key);
-            $keys = explode('[', $key);
-            $key  = array_shift($keys);
-            if ($callback === 'match') {
-                $real_key = $this->match($key, $request_params, $default, 'key');
-                $key      = $real_key ?: $key;
-            }
-            // check if top level key exists
-            if (isset($request_params[ $key ])) {
-                // build a new key to pass along like: 'second[third]'
-                // or just 'second' depending on depth of keys
-                $key_string = array_shift($keys);
-                if (! empty($keys)) {
-                    $key_string .= '[' . implode('][', $keys) . ']';
-                }
-                return $this->requestParameterDrillDown(
-                    $key_string,
-                    $default,
-                    $callback,
-                    $return,
-                    $request_params[ $key ]
-                );
-            }
-        }
-        if ($callback === 'is_set') {
-            return isset($request_params[ $key ]);
-        }
-        if ($callback === 'match') {
-            return $this->match($key, $request_params, $default, $return);
-        }
-        return isset($request_params[ $key ])
-            ? $request_params[ $key ]
-            : $default;
-    }
-
-
-    /**
-     * remove param
-     *
-     * @param      $key
-     * @param bool $unset_from_global_too
-     */
-    public function unSetRequestParam($key, $unset_from_global_too = false)
-    {
-        // because unset may not actually remove var
-        $this->request[ $key ] = null;
-        unset($this->request[ $key ]);
-        if ($unset_from_global_too) {
-            unset($_REQUEST[ $key ]);
-        }
-    }
-
-
-    /**
-     * remove params
-     *
-     * @param array $keys
-     * @param bool  $unset_from_global_too
-     */
-    public function unSetRequestParams(array $keys, $unset_from_global_too = false)
-    {
-        foreach ($keys as $key) {
-            $this->unSetRequestParam($key, $unset_from_global_too);
-        }
-    }
-
-
-    /**
-     * @return string
-     */
-    public function ipAddress()
-    {
-        return $this->ip_address;
-    }
-
-
-    /**
-     * attempt to get IP address of current visitor from server
-     * plz see: http://stackoverflow.com/a/2031935/1475279
-     *
-     * @access public
-     * @return string
-     */
-    private function visitorIp()
-    {
-        $visitor_ip  = '0.0.0.0';
-        $server_keys = [
-            'HTTP_CLIENT_IP',
-            'HTTP_X_FORWARDED_FOR',
-            'HTTP_X_FORWARDED',
-            'HTTP_X_CLUSTER_CLIENT_IP',
-            'HTTP_FORWARDED_FOR',
-            'HTTP_FORWARDED',
-            'REMOTE_ADDR',
-        ];
-        foreach ($server_keys as $key) {
-            if (isset($this->server[ $key ])) {
-                foreach (array_map('trim', explode(',', $this->server[ $key ])) as $ip) {
-                    if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
-                        $visitor_ip = $ip;
-                    }
-                }
-            }
-        }
-        return $visitor_ip;
-    }
-
-
-    /**
-     * Gets the request's literal URI. Related to `requestUriAfterSiteHomeUri`, see its description for a comparison.
-     *
-     * @param boolean $relativeToWpRoot If home_url() is "http://mysite.com/wp/", and a request comes to
-     *                                  "http://mysite.com/wp/wp-json", setting $relativeToWpRoot=true will return
-     *                                  "/wp-json", whereas $relativeToWpRoot=false will return "/wp/wp-json/".
-     * @return string
-     */
-    public function requestUri($relativeToWpRoot = false)
-    {
-        $request_uri = filter_input(
-            INPUT_SERVER,
-            'REQUEST_URI',
-            FILTER_SANITIZE_URL,
-            FILTER_NULL_ON_FAILURE
-        );
-        if (empty($request_uri) && isset($this->server['REQUEST_URI'])) {
-            // fallback sanitization if the above fails
-            $request_uri = wp_sanitize_redirect($this->server['REQUEST_URI']);
-        }
-        if ($relativeToWpRoot) {
-            $home_path   = untrailingslashit(
-                parse_url(
-                    home_url(),
-                    PHP_URL_PATH
-                )
-            );
-            $request_uri = str_replace(
-                $home_path,
-                '',
-                $request_uri
-            );
-        }
-        return $request_uri;
-    }
-
-
-    /**
-     * @return string
-     */
-    public function userAgent()
-    {
-        return $this->user_agent;
-    }
-
-
-    /**
-     * @param string $user_agent
-     */
-    public function setUserAgent($user_agent = '')
-    {
-        if ($user_agent === '' || ! is_string($user_agent)) {
-            $user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? (string) esc_attr($_SERVER['HTTP_USER_AGENT']) : '';
-        }
-        $this->user_agent = $user_agent;
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isBot()
-    {
-        return $this->is_bot;
-    }
-
-
-    /**
-     * @param bool $is_bot
-     */
-    public function setIsBot($is_bot)
-    {
-        $this->is_bot = $this->sanitizeRequestParam($is_bot, 'bool');
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isActivation()
-    {
-        return $this->request_type->isActivation();
-    }
-
-
-    /**
-     * @param $is_activation
-     * @return bool
-     */
-    public function setIsActivation($is_activation)
-    {
-        return $this->request_type->setIsActivation($is_activation);
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isAdmin()
-    {
-        return $this->request_type->isAdmin();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isAdminAjax()
-    {
-        return $this->request_type->isAdminAjax();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isAjax()
-    {
-        return $this->request_type->isAjax();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isEeAjax()
-    {
-        return $this->request_type->isEeAjax();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isOtherAjax()
-    {
-        return $this->request_type->isOtherAjax();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isApi()
-    {
-        return $this->request_type->isApi();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isCli()
-    {
-        return $this->request_type->isCli();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isCron()
-    {
-        return $this->request_type->isCron();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isFeed()
-    {
-        return $this->request_type->isFeed();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isFrontend()
-    {
-        return $this->request_type->isFrontend();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isFrontAjax()
-    {
-        return $this->request_type->isFrontAjax();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isIframe()
-    {
-        return $this->request_type->isIframe();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isWordPressApi()
-    {
-        return $this->request_type->isWordPressApi();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isWordPressHeartbeat()
-    {
-        return $this->request_type->isWordPressHeartbeat();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isWordPressScrape()
-    {
-        return $this->request_type->isWordPressScrape();
-    }
-
-
-    /**
-     * @return string
-     */
-    public function slug()
-    {
-        return $this->request_type->slug();
-    }
-
-
-    /**
-     * @return RequestTypeContextCheckerInterface
-     */
-    public function getRequestType()
-    {
-        return $this->request_type;
-    }
-
-
-
-
-    /**
-     * Will sanitize the supplied request parameter based on the specified data type
-     *
-     * @param mixed  $param     the supplied request parameter
-     * @param string $type      the specified data type (default: "string")
-     *                          valid values: "bool", "float", "int", "key", "url", "string", or "arrayOf|*"
-     *                          where * is any of the other valid values ex: "arrayOf|int", "arrayOf|string"
-     * @param string $delimiter if $param is a CSV like value (ex: 1,2,3,4,5...) then this is the value separator
-     *                          (default: ",")
-     * @return array|string
-     * @since $VID:$
-     */
-    public function sanitizeRequestParam($param, $type = 'string', $delimiter = ',')
-    {
-        switch ($type) {
-            case 'bool':
-                return filter_var($param, FILTER_VALIDATE_BOOLEAN);
-            case 'float':
-                return (float) $param;
-            case 'int':
-                return (int) $param;
-            case 'key':
-                return sanitize_key($param);
-            case 'url':
-                return esc_url_raw($param);
-            case 'string':
-                return sanitize_text_field($param);
-            default:
-                if (strpos($type, 'arrayOf|') === 0) {
-                    $values = [];
-                    $array_of_type = substr($type, 8);
-                    $list = is_string($param) ? explode($delimiter, $param) : (array) $param;
-                    foreach ($list as $item) {
-                        $values[] = $this->sanitizeRequestParam($item, $array_of_type, $delimiter);
-                    }
-                    return $values;
-                }
-                return sanitize_text_field($param);
-        }
-    }
+	/**
+	 * $_GET parameters
+	 *
+	 * @var array $get
+	 */
+	protected $get;
+
+	/**
+	 * $_POST parameters
+	 *
+	 * @var array $post
+	 */
+	protected $post;
+
+	/**
+	 * $_COOKIE parameters
+	 *
+	 * @var array $cookie
+	 */
+	protected $cookie;
+
+	/**
+	 * $_SERVER parameters
+	 *
+	 * @var array $server
+	 */
+	protected $server;
+
+	/**
+	 * $_FILES parameters
+	 *
+	 * @var array $files
+	 */
+	protected $files;
+
+	/**
+	 * $_REQUEST parameters
+	 *
+	 * @var array $request
+	 */
+	protected $request;
+
+	/**
+	 * @var RequestTypeContextCheckerInterface
+	 */
+	protected $request_type;
+
+	/**
+	 * IP address for request
+	 *
+	 * @var string $ip_address
+	 */
+	protected $ip_address;
+
+	/**
+	 * @var string $user_agent
+	 */
+	protected $user_agent;
+
+	/**
+	 * true if current user appears to be some kind of bot
+	 *
+	 * @var bool $is_bot
+	 */
+	protected $is_bot;
+
+
+	/**
+	 * @param array $get
+	 * @param array $post
+	 * @param array $cookie
+	 * @param array $server
+	 * @param array $files
+	 */
+	public function __construct(array $get, array $post, array $cookie, array $server, array $files = [])
+	{
+		// grab request vars
+		$this->get        = $get;
+		$this->post       = $post;
+		$this->cookie     = $cookie;
+		$this->server     = $server;
+		$this->files      = $files;
+		$this->request    = array_merge($this->get, $this->post);
+		$this->ip_address = $this->visitorIp();
+	}
+
+
+	/**
+	 * @param RequestTypeContextCheckerInterface $type
+	 */
+	public function setRequestTypeContextChecker(RequestTypeContextCheckerInterface $type)
+	{
+		$this->request_type = $type;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function getParams()
+	{
+		return $this->get;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function postParams()
+	{
+		return $this->post;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function cookieParams()
+	{
+		return $this->cookie;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function serverParams()
+	{
+		return $this->server;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function filesParams()
+	{
+		return $this->files;
+	}
+
+
+	/**
+	 * returns contents of $_REQUEST
+	 *
+	 * @return array
+	 */
+	public function requestParams()
+	{
+		return $this->request;
+	}
+
+
+	/**
+	 * @param string     $key
+	 * @param mixed|null $value
+	 * @param bool       $override_ee
+	 * @return    void
+	 */
+	public function setRequestParam($key, $value, $override_ee = false)
+	{
+		// don't allow "ee" to be overwritten unless explicitly instructed to do so
+		if ($override_ee || $key !== 'ee' || empty($this->request['ee'])) {
+			$this->request[ $key ] = $value;
+		}
+	}
+
+
+	/**
+	 * returns   the value for a request param if the given key exists
+	 *
+	 * @param string     $key
+	 * @param mixed|null $default
+	 * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
+	 * @param string     $delimiter for CSV type strings that should be returned as an array
+	 * @return mixed
+	 */
+	public function getRequestParam($key, $default = null, $type = 'string', $delimiter = ',')
+	{
+		return $this->sanitizeRequestParam(
+			$this->requestParameterDrillDown($key, $default, 'get'),
+			$type
+		);
+	}
+
+
+	/**
+	 * check if param exists
+	 *
+	 * @param string $key
+	 * @return bool
+	 */
+	public function requestParamIsSet($key)
+	{
+		return (bool) $this->requestParameterDrillDown($key);
+	}
+
+
+	/**
+	 * check if a request parameter exists whose key that matches the supplied wildcard pattern
+	 * and return the value for the first match found
+	 * wildcards can be either of the following:
+	 *      ? to represent a single character of any type
+	 *      * to represent one or more characters of any type
+	 *
+	 * @param string     $pattern
+	 * @param mixed|null $default
+	 * @param string     $type      the expected data type for the parameter's value, ie: string, int, bool, etc
+	 * @param string     $delimiter for CSV type strings that should be returned as an array
+	 * @return mixed
+	 */
+	public function getMatch($pattern, $default = null, $type = 'string', $delimiter = ',')
+	{
+		return $this->sanitizeRequestParam(
+			$this->requestParameterDrillDown($pattern, $default, 'match'),
+			$type
+		);
+	}
+
+
+	/**
+	 * check if a request parameter exists whose key matches the supplied wildcard pattern
+	 * wildcards can be either of the following:
+	 *      ? to represent a single character of any type
+	 *      * to represent one or more characters of any type
+	 * returns true if a match is found or false if not
+	 *
+	 * @param string $pattern
+	 * @return bool
+	 */
+	public function matches($pattern)
+	{
+		return (bool) $this->requestParameterDrillDown($pattern, false, 'match', 'bool');
+	}
+
+
+	/**
+	 * @see https://stackoverflow.com/questions/6163055/php-string-matching-with-wildcard
+	 * @param string $pattern               A string including wildcards to be converted to a regex pattern
+	 *                                      and used to search through the current request's parameter keys
+	 * @param array  $request_params        The array of request parameters to search through
+	 * @param mixed  $default               [optional] The value to be returned if no match is found.
+	 *                                      Default is null
+	 * @param string $return                [optional] Controls what kind of value is returned.
+	 *                                      Options are:
+	 *                                      'bool' will return true or false if match is found or not
+	 *                                      'key' will return the first key found that matches the supplied pattern
+	 *                                      'value' will return the value for the first request parameter
+	 *                                      whose key matches the supplied pattern
+	 *                                      Default is 'value'
+	 * @return boolean|string
+	 */
+	private function match($pattern, array $request_params, $default = null, $return = 'value')
+	{
+		$return = in_array($return, ['bool', 'key', 'value'], true)
+			? $return
+			: 'is_set';
+		// replace wildcard chars with regex chars
+		$pattern = str_replace(
+			["\*", "\?"],
+			['.*', '.'],
+			preg_quote($pattern, '/')
+		);
+		foreach ($request_params as $key => $request_param) {
+			if (preg_match('/^' . $pattern . '$/is', $key)) {
+				// return value for request param
+				if ($return === 'value') {
+					return $request_param;
+				}
+				// or actual key or true just to indicate it was found
+				return $return === 'key' ? $key : true;
+			}
+		}
+		// match not found so return default value or false
+		return $return === 'value' ? $default : false;
+	}
+
+
+	/**
+	 * the supplied key can be a simple string to represent a "top-level" request parameter
+	 * or represent a key for a request parameter that is nested deeper within the request parameter array,
+	 * by using square brackets to surround keys for deeper array elements.
+	 * For example :
+	 * if the supplied $key was: "first[second][third]"
+	 * then this will attempt to drill down into the request parameter array to find a value.
+	 * Given the following request parameters:
+	 *  array(
+	 *      'first' => array(
+	 *          'second' => array(
+	 *              'third' => 'has a value'
+	 *          )
+	 *      )
+	 *  )
+	 * would return true if default parameters were set
+	 *
+	 * @param string $callback
+	 * @param        $key
+	 * @param null   $default
+	 * @param string $return
+	 * @param array  $request_params
+	 * @return bool|mixed|null
+	 */
+	private function requestParameterDrillDown(
+		$key,
+		$default = null,
+		$callback = 'is_set',
+		$return = 'value',
+		array $request_params = []
+	) {
+		$callback       = in_array($callback, ['is_set', 'get', 'match'], true)
+			? $callback
+			: 'is_set';
+		$request_params = ! empty($request_params)
+			? $request_params
+			: $this->request;
+		// does incoming key represent an array like 'first[second][third]'  ?
+		if (strpos($key, '[') !== false) {
+			// turn it into an actual array
+			$key  = str_replace(']', '', $key);
+			$keys = explode('[', $key);
+			$key  = array_shift($keys);
+			if ($callback === 'match') {
+				$real_key = $this->match($key, $request_params, $default, 'key');
+				$key      = $real_key ?: $key;
+			}
+			// check if top level key exists
+			if (isset($request_params[ $key ])) {
+				// build a new key to pass along like: 'second[third]'
+				// or just 'second' depending on depth of keys
+				$key_string = array_shift($keys);
+				if (! empty($keys)) {
+					$key_string .= '[' . implode('][', $keys) . ']';
+				}
+				return $this->requestParameterDrillDown(
+					$key_string,
+					$default,
+					$callback,
+					$return,
+					$request_params[ $key ]
+				);
+			}
+		}
+		if ($callback === 'is_set') {
+			return isset($request_params[ $key ]);
+		}
+		if ($callback === 'match') {
+			return $this->match($key, $request_params, $default, $return);
+		}
+		return isset($request_params[ $key ])
+			? $request_params[ $key ]
+			: $default;
+	}
+
+
+	/**
+	 * remove param
+	 *
+	 * @param      $key
+	 * @param bool $unset_from_global_too
+	 */
+	public function unSetRequestParam($key, $unset_from_global_too = false)
+	{
+		// because unset may not actually remove var
+		$this->request[ $key ] = null;
+		unset($this->request[ $key ]);
+		if ($unset_from_global_too) {
+			unset($_REQUEST[ $key ]);
+		}
+	}
+
+
+	/**
+	 * remove params
+	 *
+	 * @param array $keys
+	 * @param bool  $unset_from_global_too
+	 */
+	public function unSetRequestParams(array $keys, $unset_from_global_too = false)
+	{
+		foreach ($keys as $key) {
+			$this->unSetRequestParam($key, $unset_from_global_too);
+		}
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function ipAddress()
+	{
+		return $this->ip_address;
+	}
+
+
+	/**
+	 * attempt to get IP address of current visitor from server
+	 * plz see: http://stackoverflow.com/a/2031935/1475279
+	 *
+	 * @access public
+	 * @return string
+	 */
+	private function visitorIp()
+	{
+		$visitor_ip  = '0.0.0.0';
+		$server_keys = [
+			'HTTP_CLIENT_IP',
+			'HTTP_X_FORWARDED_FOR',
+			'HTTP_X_FORWARDED',
+			'HTTP_X_CLUSTER_CLIENT_IP',
+			'HTTP_FORWARDED_FOR',
+			'HTTP_FORWARDED',
+			'REMOTE_ADDR',
+		];
+		foreach ($server_keys as $key) {
+			if (isset($this->server[ $key ])) {
+				foreach (array_map('trim', explode(',', $this->server[ $key ])) as $ip) {
+					if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
+						$visitor_ip = $ip;
+					}
+				}
+			}
+		}
+		return $visitor_ip;
+	}
+
+
+	/**
+	 * Gets the request's literal URI. Related to `requestUriAfterSiteHomeUri`, see its description for a comparison.
+	 *
+	 * @param boolean $relativeToWpRoot If home_url() is "http://mysite.com/wp/", and a request comes to
+	 *                                  "http://mysite.com/wp/wp-json", setting $relativeToWpRoot=true will return
+	 *                                  "/wp-json", whereas $relativeToWpRoot=false will return "/wp/wp-json/".
+	 * @return string
+	 */
+	public function requestUri($relativeToWpRoot = false)
+	{
+		$request_uri = filter_input(
+			INPUT_SERVER,
+			'REQUEST_URI',
+			FILTER_SANITIZE_URL,
+			FILTER_NULL_ON_FAILURE
+		);
+		if (empty($request_uri) && isset($this->server['REQUEST_URI'])) {
+			// fallback sanitization if the above fails
+			$request_uri = wp_sanitize_redirect($this->server['REQUEST_URI']);
+		}
+		if ($relativeToWpRoot) {
+			$home_path   = untrailingslashit(
+				parse_url(
+					home_url(),
+					PHP_URL_PATH
+				)
+			);
+			$request_uri = str_replace(
+				$home_path,
+				'',
+				$request_uri
+			);
+		}
+		return $request_uri;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function userAgent()
+	{
+		return $this->user_agent;
+	}
+
+
+	/**
+	 * @param string $user_agent
+	 */
+	public function setUserAgent($user_agent = '')
+	{
+		if ($user_agent === '' || ! is_string($user_agent)) {
+			$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? (string) esc_attr($_SERVER['HTTP_USER_AGENT']) : '';
+		}
+		$this->user_agent = $user_agent;
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isBot()
+	{
+		return $this->is_bot;
+	}
+
+
+	/**
+	 * @param bool $is_bot
+	 */
+	public function setIsBot($is_bot)
+	{
+		$this->is_bot = $this->sanitizeRequestParam($is_bot, 'bool');
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isActivation()
+	{
+		return $this->request_type->isActivation();
+	}
+
+
+	/**
+	 * @param $is_activation
+	 * @return bool
+	 */
+	public function setIsActivation($is_activation)
+	{
+		return $this->request_type->setIsActivation($is_activation);
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isAdmin()
+	{
+		return $this->request_type->isAdmin();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isAdminAjax()
+	{
+		return $this->request_type->isAdminAjax();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isAjax()
+	{
+		return $this->request_type->isAjax();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isEeAjax()
+	{
+		return $this->request_type->isEeAjax();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isOtherAjax()
+	{
+		return $this->request_type->isOtherAjax();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isApi()
+	{
+		return $this->request_type->isApi();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isCli()
+	{
+		return $this->request_type->isCli();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isCron()
+	{
+		return $this->request_type->isCron();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isFeed()
+	{
+		return $this->request_type->isFeed();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isFrontend()
+	{
+		return $this->request_type->isFrontend();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isFrontAjax()
+	{
+		return $this->request_type->isFrontAjax();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isIframe()
+	{
+		return $this->request_type->isIframe();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isWordPressApi()
+	{
+		return $this->request_type->isWordPressApi();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isWordPressHeartbeat()
+	{
+		return $this->request_type->isWordPressHeartbeat();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isWordPressScrape()
+	{
+		return $this->request_type->isWordPressScrape();
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function slug()
+	{
+		return $this->request_type->slug();
+	}
+
+
+	/**
+	 * @return RequestTypeContextCheckerInterface
+	 */
+	public function getRequestType()
+	{
+		return $this->request_type;
+	}
+
+
+
+
+	/**
+	 * Will sanitize the supplied request parameter based on the specified data type
+	 *
+	 * @param mixed  $param     the supplied request parameter
+	 * @param string $type      the specified data type (default: "string")
+	 *                          valid values: "bool", "float", "int", "key", "url", "string", or "arrayOf|*"
+	 *                          where * is any of the other valid values ex: "arrayOf|int", "arrayOf|string"
+	 * @param string $delimiter if $param is a CSV like value (ex: 1,2,3,4,5...) then this is the value separator
+	 *                          (default: ",")
+	 * @return array|string
+	 * @since $VID:$
+	 */
+	public function sanitizeRequestParam($param, $type = 'string', $delimiter = ',')
+	{
+		switch ($type) {
+			case 'bool':
+				return filter_var($param, FILTER_VALIDATE_BOOLEAN);
+			case 'float':
+				return (float) $param;
+			case 'int':
+				return (int) $param;
+			case 'key':
+				return sanitize_key($param);
+			case 'url':
+				return esc_url_raw($param);
+			case 'string':
+				return sanitize_text_field($param);
+			default:
+				if (strpos($type, 'arrayOf|') === 0) {
+					$values = [];
+					$array_of_type = substr($type, 8);
+					$list = is_string($param) ? explode($delimiter, $param) : (array) $param;
+					foreach ($list as $item) {
+						$values[] = $this->sanitizeRequestParam($item, $array_of_type, $delimiter);
+					}
+					return $values;
+				}
+				return sanitize_text_field($param);
+		}
+	}
 }

Spacing +14 added lines, -14 removed lines

@@ -179,7 +179,7 @@ 
     {
         // don't allow "ee" to be overwritten unless explicitly instructed to do so
         if ($override_ee || $key !== 'ee' || empty($this->request['ee'])) {
-            $this->request[ $key ] = $value;
+            $this->request[$key] = $value;
         }
     }
 
@@ -280,7 +280,7 @@ 
             preg_quote($pattern, '/')
         );
         foreach ($request_params as $key => $request_param) {
-            if (preg_match('/^' . $pattern . '$/is', $key)) {
+            if (preg_match('/^'.$pattern.'$/is', $key)) {
                 // return value for request param
                 if ($return === 'value') {
                     return $request_param;
@@ -342,30 +342,30 @@ 
                 $key      = $real_key ?: $key;
             }
             // check if top level key exists
-            if (isset($request_params[ $key ])) {
+            if (isset($request_params[$key])) {
                 // build a new key to pass along like: 'second[third]'
                 // or just 'second' depending on depth of keys
                 $key_string = array_shift($keys);
-                if (! empty($keys)) {
-                    $key_string .= '[' . implode('][', $keys) . ']';
+                if ( ! empty($keys)) {
+                    $key_string .= '['.implode('][', $keys).']';
                 }
                 return $this->requestParameterDrillDown(
                     $key_string,
                     $default,
                     $callback,
                     $return,
-                    $request_params[ $key ]
+                    $request_params[$key]
                 );
             }
         }
         if ($callback === 'is_set') {
-            return isset($request_params[ $key ]);
+            return isset($request_params[$key]);
         }
         if ($callback === 'match') {
             return $this->match($key, $request_params, $default, $return);
         }
-        return isset($request_params[ $key ])
-            ? $request_params[ $key ]
+        return isset($request_params[$key])
+            ? $request_params[$key]
             : $default;
     }
 
@@ -379,10 +379,10 @@ 
     public function unSetRequestParam($key, $unset_from_global_too = false)
     {
         // because unset may not actually remove var
-        $this->request[ $key ] = null;
-        unset($this->request[ $key ]);
+        $this->request[$key] = null;
+        unset($this->request[$key]);
         if ($unset_from_global_too) {
-            unset($_REQUEST[ $key ]);
+            unset($_REQUEST[$key]);
         }
     }
 
@@ -430,8 +430,8 @@ 
             'REMOTE_ADDR',
         ];
         foreach ($server_keys as $key) {
-            if (isset($this->server[ $key ])) {
-                foreach (array_map('trim', explode(',', $this->server[ $key ])) as $ip) {
+            if (isset($this->server[$key])) {
+                foreach (array_map('trim', explode(',', $this->server[$key])) as $ip) {
                     if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
                         $visitor_ip = $ip;
                     }

core/services/request/Response.php

Indentation +121 added lines, -121 removed lines

@@ -15,125 +15,125 @@
 class Response implements ResponseInterface, ReservedInstanceInterface
 {
 
-    /**
-     * @var array $notice
-     */
-    protected $notice = [];
-
-    /**
-     * rendered output to be returned to WP
-     *
-     * @var array
-     */
-    protected $output = [];
-
-    /**
-     * @var bool
-     */
-    protected $request_terminated = false;
-
-    /**
-     * @var bool $deactivate_plugin
-     */
-    protected $deactivate_plugin = false;
-
-
-    /**
-     * EE_Response constructor.
-     */
-    public function __construct()
-    {
-        $this->terminateRequest(false);
-    }
-
-
-    /**
-     * @param $key
-     * @param $value
-     * @return    void
-     */
-    public function setNotice($key, $value)
-    {
-        $this->notice[ $key ] = $value;
-    }
-
-
-    /**
-     * @param $key
-     * @return    mixed
-     */
-    public function getNotice($key)
-    {
-        return isset($this->notice[ $key ]) ? $this->notice[ $key ] : null;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function getNotices()
-    {
-        return $this->notice;
-    }
-
-
-    /**
-     * @param string $string
-     * @param bool   $append
-     */
-    public function addOutput($string, $append = true)
-    {
-        if ($append) {
-            $this->output[] = $string;
-            return;
-        }
-        array_unshift($this->output, $string);
-    }
-
-
-    /**
-     * @param bool   $as_string
-     * @param string $separator
-     * @return array|string
-     */
-    public function getOutput($as_string = true, $separator = PHP_EOL)
-    {
-        return $as_string ? implode($separator, $this->output) : $this->output ;
-    }
-
-
-    /**
-     * @return boolean
-     */
-    public function requestTerminated()
-    {
-        return $this->request_terminated;
-    }
-
-
-    /**
-     * @param boolean $request_terminated
-     */
-    public function terminateRequest($request_terminated = true)
-    {
-        $this->request_terminated = filter_var($request_terminated, FILTER_VALIDATE_BOOLEAN);
-    }
-
-
-    /**
-     * @return boolean
-     */
-    public function pluginDeactivated()
-    {
-        return $this->deactivate_plugin;
-    }
-
-
-    /**
-     * sets $deactivate_plugin to true
-     */
-    public function deactivatePlugin()
-    {
-        $this->deactivate_plugin = true;
-    }
+	/**
+	 * @var array $notice
+	 */
+	protected $notice = [];
+
+	/**
+	 * rendered output to be returned to WP
+	 *
+	 * @var array
+	 */
+	protected $output = [];
+
+	/**
+	 * @var bool
+	 */
+	protected $request_terminated = false;
+
+	/**
+	 * @var bool $deactivate_plugin
+	 */
+	protected $deactivate_plugin = false;
+
+
+	/**
+	 * EE_Response constructor.
+	 */
+	public function __construct()
+	{
+		$this->terminateRequest(false);
+	}
+
+
+	/**
+	 * @param $key
+	 * @param $value
+	 * @return    void
+	 */
+	public function setNotice($key, $value)
+	{
+		$this->notice[ $key ] = $value;
+	}
+
+
+	/**
+	 * @param $key
+	 * @return    mixed
+	 */
+	public function getNotice($key)
+	{
+		return isset($this->notice[ $key ]) ? $this->notice[ $key ] : null;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function getNotices()
+	{
+		return $this->notice;
+	}
+
+
+	/**
+	 * @param string $string
+	 * @param bool   $append
+	 */
+	public function addOutput($string, $append = true)
+	{
+		if ($append) {
+			$this->output[] = $string;
+			return;
+		}
+		array_unshift($this->output, $string);
+	}
+
+
+	/**
+	 * @param bool   $as_string
+	 * @param string $separator
+	 * @return array|string
+	 */
+	public function getOutput($as_string = true, $separator = PHP_EOL)
+	{
+		return $as_string ? implode($separator, $this->output) : $this->output ;
+	}
+
+
+	/**
+	 * @return boolean
+	 */
+	public function requestTerminated()
+	{
+		return $this->request_terminated;
+	}
+
+
+	/**
+	 * @param boolean $request_terminated
+	 */
+	public function terminateRequest($request_terminated = true)
+	{
+		$this->request_terminated = filter_var($request_terminated, FILTER_VALIDATE_BOOLEAN);
+	}
+
+
+	/**
+	 * @return boolean
+	 */
+	public function pluginDeactivated()
+	{
+		return $this->deactivate_plugin;
+	}
+
+
+	/**
+	 * sets $deactivate_plugin to true
+	 */
+	public function deactivatePlugin()
+	{
+		$this->deactivate_plugin = true;
+	}
 }

Spacing +3 added lines, -3 removed lines

@@ -54,7 +54,7 @@ 
      */
     public function setNotice($key, $value)
     {
-        $this->notice[ $key ] = $value;
+        $this->notice[$key] = $value;
     }
 
 
@@ -64,7 +64,7 @@ 
      */
     public function getNotice($key)
     {
-        return isset($this->notice[ $key ]) ? $this->notice[ $key ] : null;
+        return isset($this->notice[$key]) ? $this->notice[$key] : null;
     }
 
 
@@ -98,7 +98,7 @@ 
      */
     public function getOutput($as_string = true, $separator = PHP_EOL)
     {
-        return $as_string ? implode($separator, $this->output) : $this->output ;
+        return $as_string ? implode($separator, $this->output) : $this->output;
     }