eventespresso / event-espresso-core

core/db_models/EEM_Message.model.php

Spacing +6 added lines, -6 removed lines

@@ -127,7 +127,7 @@ 
             self::priority_low    => __('low', 'event_espresso'),
         );
 
-        $this->_fields          = array(
+        $this->_fields = array(
             'Message' => array(
                 'MSG_ID'             => new EE_Primary_Key_Int_Field('MSG_ID', __('Message ID', 'event_espresso')),
                 'MSG_token'          => new EE_Plain_Text_Field('MSG_token',
@@ -357,7 +357,7 @@ 
                         );
                         break;
                     default :
-                        $query_params[0]['AND**filter_by']['OR**filter_by_' . $request_key][$model_name . '.' . $request_key] = $request_value;
+                        $query_params[0]['AND**filter_by']['OR**filter_by_'.$request_key][$model_name.'.'.$request_key] = $request_value;
                         break;
                 }
             }
@@ -420,7 +420,7 @@ 
             //prepend to the last element of $label_parts an "and".
             if (count($label_parts) > 1) {
                 $label_parts_index_to_prepend               = count($label_parts) - 1;
-                $label_parts[$label_parts_index_to_prepend] = 'and' . $label_parts[$label_parts_index_to_prepend];
+                $label_parts[$label_parts_index_to_prepend] = 'and'.$label_parts[$label_parts_index_to_prepend];
             }
 
             $pretty_label .= sprintf(
@@ -541,13 +541,13 @@ 
             )
         );
 
-        if(! empty($message_ids_to_delete) && is_array($message_ids_to_delete)) {
+        if ( ! empty($message_ids_to_delete) && is_array($message_ids_to_delete)) {
             global $wpdb;
             $number_deleted = $wpdb->query('
                 DELETE
-                FROM ' . $this->table() . '
+                FROM ' . $this->table().'
                 WHERE
-                    MSG_ID IN (' . implode(",", $message_ids_to_delete) . ')
+                    MSG_ID IN (' . implode(",", $message_ids_to_delete).')
             ');
         }
 

Indentation +542 added lines, -542 removed lines

@@ -1,5 +1,5 @@ 
 <?php if ( ! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 /**
@@ -12,556 +12,556 @@ 
 class EEM_Message extends EEM_Base implements EEI_Query_Filter
 {
 
-    // private instance of the Message object
-    protected static $_instance = null;
+	// private instance of the Message object
+	protected static $_instance = null;
 
 
-    /**
-     * This priority indicates a message should be generated and sent ASAP
-     *
-     * @type int
-     */
-    const priority_high = 10;
+	/**
+	 * This priority indicates a message should be generated and sent ASAP
+	 *
+	 * @type int
+	 */
+	const priority_high = 10;
 
 
-    /**
-     * This priority indicates a message should be generated ASAP and queued for sending.
-     *
-     * @type
-     */
-    const priority_medium = 20;
-
-
-    /**
-     * This priority indicates a message should be queued for generating.
-     *
-     * @type int
-     */
-    const priority_low = 30;
-
-
-    /**
-     * indicates this message was sent at the time modified
-     */
-    const status_sent = 'MSN';
-
-
-    /**
-     * indicates this message is waiting to be sent
-     */
-    const status_idle = 'MID';
-
-
-    /**
-     * indicates an attempt was a made to send this message
-     * at the scheduled time, but it failed at the time modified.  This differs from MDO status in that it will ALWAYS
-     * appear to the end user.
-     */
-    const status_failed = 'MFL';
-
-
-    /**
-     * indicates the message has been flagged for resending (at the time modified).
-     */
-    const status_resend = 'MRS';
-
-
-    /**
-     * indicates the message has been flagged for generation but has not been generated yet.  Messages always start as
-     * this status when added to the queue.
-     */
-    const status_incomplete = 'MIC';
-
-
-    /**
-     * Indicates everything was generated fine for the message, however, the messenger was unable to send.
-     * This status means that its possible to retry sending the message.
-     */
-    const status_retry = 'MRT';
-
-
-    /**
-     * This is used for more informational messages that may not indicate anything is broken but still cannot be
-     * generated or sent correctly. An example of a message that would get flagged this way would be when a not
-     * approved message was queued for generation, but at time of generation, the attached registration(s) are
-     * approved. So the message queued for generation is no longer valid.  Messages for this status will only persist
-     * in the db and be viewable in the message activity list table when the messages system is in debug mode.
-     *
-     * @see EEM_Message::debug()
-     */
-    const status_debug_only = 'MDO';
-
-
-    /**
-     * This status is given to messages it is processed by the messenger send method.
-     * Messages with this status should rarely be seen in the Message List table, but if they are, that's usually
-     * indicative of a PHP timeout or memory limit issue.
-     */
-    const status_messenger_executing = 'MEX';
-
-
-    /**
-     *    Private constructor to prevent direct creation.
-     *
-     * @param string $timezone string representing the timezone we want to set for returned Date Time Strings (and
-     *                         any incoming timezone data that gets saved).  Note this just sends the timezone info to
-     *                         the date time model field objects.  Default is null (and will be assumed using the set
-     *                         timezone in the 'timezone_string' wp option)
-     * @return EEM_Message
-     */
-    protected function __construct($timezone = null)
-    {
-        $this->singular_item = __('Message', 'event_espresso');
-        $this->plural_item   = __('Messages', 'event_espresso');
-
-        //used for token generator
-        EE_Registry::instance()->load_helper('URL');
-
-        $this->_tables = array(
-            'Message' => new EE_Primary_Table('esp_message', 'MSG_ID'),
-        );
-
-        $allowed_priority = array(
-            self::priority_high   => __('high', 'event_espresso'),
-            self::priority_medium => __('medium', 'event_espresso'),
-            self::priority_low    => __('low', 'event_espresso'),
-        );
-
-        $this->_fields          = array(
-            'Message' => array(
-                'MSG_ID'             => new EE_Primary_Key_Int_Field('MSG_ID', __('Message ID', 'event_espresso')),
-                'MSG_token'          => new EE_Plain_Text_Field('MSG_token',
-                    __('Unique Token used to represent this row in publicly viewable contexts (eg. a url).',
-                        'event_espresso'), false, EEH_URL::generate_unique_token()),
-                'GRP_ID'             => new EE_Foreign_Key_Int_Field('GRP_ID',
-                    __('Foreign key to the EEM_Message_Template_Group table.', 'event_espresso'), true, 0,
-                    'Message_Template_Group'),
-                'TXN_ID'             => new EE_Foreign_Key_Int_Field('TXN_ID',
-                    __('Foreign key to the related EE_Transaction.  This is required to give context for regenerating the specific message',
-                        'event_espresso'), true, 0, 'Transaction'),
-                'MSG_messenger'      => new EE_Plain_Text_Field('MSG_messenger',
-                    __('Corresponds to the EE_messenger::name used to send this message. This will also be used to attempt any resending of the message.',
-                        'event_espresso'), false, 'email'),
-                'MSG_message_type'   => new EE_Plain_Text_Field('MSG_message_type',
-                    __('Corresponds to the EE_message_type::name used to generate this message.', 'event_espresso'),
-                    false, 'receipt'),
-                'MSG_context'        => new EE_Plain_Text_Field('MSG_context', __('Context', 'event_espresso'), false),
-                'MSG_recipient_ID'   => new EE_Foreign_Key_Int_Field('MSG_recipient_ID',
-                    __('Recipient ID', 'event_espresso'), true, null, array('Registration', 'Attendee', 'WP_User')),
-                'MSG_recipient_type' => new EE_Any_Foreign_Model_Name_Field('MSG_recipient_type',
-                    __('Recipient Type', 'event_espresso'), true, null, array('Registration', 'Attendee', 'WP_User')),
-                'MSG_content'        => new EE_Maybe_Serialized_Text_Field('MSG_content',
-                    __('Content', 'event_espresso'), true, ''),
-                'MSG_to'             => new EE_Maybe_Serialized_Text_Field('MSG_to', __('Address To', 'event_espresso'),
-                    true),
-                'MSG_from'           => new EE_Maybe_Serialized_Text_Field('MSG_from',
-                    __('Address From', 'event_espresso'), true),
-                'MSG_subject'        => new EE_Maybe_Serialized_Text_Field('MSG_subject',
-                    __('Subject', 'event_espresso'), true, ''),
-                'MSG_priority'       => new EE_Enum_Integer_Field('MSG_priority', __('Priority', 'event_espresso'),
-                    false, self::priority_low, $allowed_priority),
-                'STS_ID'             => new EE_Foreign_Key_String_Field('STS_ID', __('Status', 'event_espresso'), false,
-                    self::status_incomplete, 'Status'),
-                'MSG_created'        => new EE_Datetime_Field('MSG_created', __('Created', 'event_espresso'), false,
-                    EE_Datetime_Field::now),
-                'MSG_modified'       => new EE_Datetime_Field('MSG_modified', __('Modified', 'event_espresso'), true,
-                    EE_Datetime_Field::now),
-            ),
-        );
-        $this->_model_relations = array(
-            'Attendee'               => new EE_Belongs_To_Any_Relation(),
-            'Registration'           => new EE_Belongs_To_Any_Relation(),
-            'WP_User'                => new EE_Belongs_To_Any_Relation(),
-            'Message_Template_Group' => new EE_Belongs_To_Relation(),
-            'Transaction'            => new EE_Belongs_To_Relation(),
-        );
-        parent::__construct($timezone);
-    }
-
-
-    /**
-     * @return \EE_Message
-     */
-    public function create_default_object()
-    {
-        /** @type EE_Message $message */
-        $message = parent::create_default_object();
-        if ($message instanceof EE_Message) {
-            return EE_Message_Factory::set_messenger_and_message_type($message);
-        }
-        return null;
-    }
-
-
-    /**
-     * @param mixed $cols_n_values
-     * @return \EE_Message
-     */
-    public function instantiate_class_from_array_or_object($cols_n_values)
-    {
-        /** @type EE_Message $message */
-        $message = parent::instantiate_class_from_array_or_object($cols_n_values);
-        if ($message instanceof EE_Message) {
-            return EE_Message_Factory::set_messenger_and_message_type($message);
-        }
-        return null;
-    }
-
-
-    /**
-     * Returns whether or not a message of that type was sent for a given attendee.
-     *
-     * @param EE_Attendee|int $attendee
-     * @param string          $message_type the message type slug
-     * @return boolean
-     */
-    public function message_sent_for_attendee($attendee, $message_type)
-    {
-        $attendee_ID = EEM_Attendee::instance()->ensure_is_ID($attendee);
-        return $this->exists(array(
-            array(
-                'Attendee.ATT_ID'  => $attendee_ID,
-                'MSG_message_type' => $message_type,
-                'STS_ID'           => array('IN', $this->stati_indicating_sent()),
-            ),
-        ));
-    }
-
-
-    /**
-     * Returns whether or not a message of that type was sent for a given registration
-     *
-     * @param EE_Registration|int $registration
-     * @param string              $message_type the message type slug
-     * @return boolean
-     */
-    public function message_sent_for_registration($registration, $message_type)
-    {
-        $registrationID = EEM_Registration::instance()->ensure_is_ID($registration);
-        return $this->exists(array(
-            array(
-                'Registration.REG_ID' => $registrationID,
-                'MSG_message_type'    => $message_type,
-                'STS_ID'              => array('IN', $this->stati_indicating_sent()),
-            ),
-        ));
-    }
-
-
-    /**
-     * This retrieves an EE_Message object from the db matching the given token string.
-     *
-     * @param string $token
-     * @return EE_Message
-     */
-    public function get_one_by_token($token)
-    {
-        return $this->get_one(array(
-            array(
-                'MSG_token' => $token,
-            ),
-        ));
-    }
-
-
-    /**
-     * Returns stati that indicate the message HAS been sent
-     *
-     * @return array of strings for possible stati
-     */
-    public function stati_indicating_sent()
-    {
-        return apply_filters('FHEE__EEM_Message__stati_indicating_sent', array(self::status_sent));
-    }
-
-
-    /**
-     * Returns stati that indicate the message is waiting to be sent.
-     *
-     * @return array of strings for possible stati.
-     */
-    public function stati_indicating_to_send()
-    {
-        return apply_filters('FHEE__EEM_Message__stati_indicating_to_send',
-            array(self::status_idle, self::status_resend));
-    }
-
-
-    /**
-     * Returns stati that indicate the message has failed sending
-     *
-     * @return array  array of strings for possible stati.
-     */
-    public function stati_indicating_failed_sending()
-    {
-        $failed_stati = array(
-            self::status_failed,
-            self::status_retry,
-            self::status_messenger_executing,
-        );
-        //if WP_DEBUG is set, then let's include debug_only fails
-        if (WP_DEBUG) {
-            $failed_stati[] = self::status_debug_only;
-        }
-        return apply_filters('FHEE__EEM_Message__stati_indicating_failed_sending', $failed_stati);
-    }
-
-
-    /**
-     * Returns filterable array of all EEM_Message statuses.
-     *
-     * @return array
-     */
-    public function all_statuses()
-    {
-        return apply_filters(
-            'FHEE__EEM_Message__all_statuses',
-            array(
-                EEM_Message::status_sent,
-                EEM_Message::status_incomplete,
-                EEM_Message::status_idle,
-                EEM_Message::status_resend,
-                EEM_Message::status_retry,
-                EEM_Message::status_failed,
-                EEM_Message::status_messenger_executing,
-                EEM_Message::status_debug_only,
-            )
-        );
-    }
-
-    /**
-     * Detects any specific query variables in the request and uses those to setup appropriate
-     * filter for any queries.
-     *
-     * @return array
-     */
-    public function filter_by_query_params()
-    {
-        // expected possible query_vars, the key in this array matches an expected key in the request,
-        // the value, matches the corresponding EEM_Base child reference.
-        $expected_vars   = $this->_expected_vars_for_query_inject();
-        $query_params[0] = array();
-        foreach ($expected_vars as $request_key => $model_name) {
-            $request_value = EE_Registry::instance()->REQ->get($request_key);
-            if ($request_value) {
-                //special case
-                switch ($request_key) {
-                    case '_REG_ID' :
-                        $query_params[0]['AND**filter_by']['OR**filter_by_REG_ID'] = array(
-                            'Transaction.Registration.REG_ID' => $request_value,
-                        );
-                        break;
-                    case 'EVT_ID' :
-                        $query_params[0]['AND**filter_by']['OR**filter_by_EVT_ID'] = array(
-                            'Transaction.Registration.EVT_ID' => $request_value,
-                        );
-                        break;
-                    default :
-                        $query_params[0]['AND**filter_by']['OR**filter_by_' . $request_key][$model_name . '.' . $request_key] = $request_value;
-                        break;
-                }
-            }
-        }
-        return $query_params;
-    }
-
-
-    /**
-     * @return string
-     */
-    public function get_pretty_label_for_results()
-    {
-        $expected_vars = $this->_expected_vars_for_query_inject();
-        $pretty_label  = '';
-        $label_parts   = array();
-        foreach ($expected_vars as $request_key => $model_name) {
-            $model = EE_Registry::instance()->load_model($model_name);
-            if ($model_field_value = EE_Registry::instance()->REQ->get($request_key)) {
-                switch ($request_key) {
-                    case '_REG_ID' :
-                        $label_parts[] = sprintf(
-                            esc_html__('Registration with the ID: %s', 'event_espresso'),
-                            $model_field_value
-                        );
-                        break;
-                    case 'ATT_ID' :
-                        /** @var EE_Attendee $attendee */
-                        $attendee      = $model->get_one_by_ID($model_field_value);
-                        $label_parts[] = $attendee instanceof EE_Attendee
-                            ? sprintf(esc_html__('Attendee %s', 'event_espresso'), $attendee->full_name())
-                            : sprintf(esc_html__('Attendee ID: %s', 'event_espresso'), $model_field_value);
-                        break;
-                    case 'ID' :
-                        /** @var EE_WP_User $wpUser */
-                        $wpUser        = $model->get_one_by_ID($model_field_value);
-                        $label_parts[] = $wpUser instanceof EE_WP_User
-                            ? sprintf(esc_html__('WP User: %s', 'event_espresso'), $wpUser->name())
-                            : sprintf(esc_html__('WP User ID: %s', 'event_espresso'), $model_field_value);
-                        break;
-                    case 'TXN_ID' :
-                        $label_parts[] = sprintf(
-                            esc_html__('Transaction with the ID: %s', 'event_espresso'),
-                            $model_field_value
-                        );
-                        break;
-                    case 'EVT_ID' :
-                        /** @var EE_Event $Event */
-                        $Event         = $model->get_one_by_ID($model_field_value);
-                        $label_parts[] = $Event instanceof EE_Event
-                            ? sprintf(esc_html__('for the Event: %s', 'event_espresso'), $Event->name())
-                            : sprintf(esc_html__('for the Event with ID: %s', 'event_espresso'), $model_field_value);
-                        break;
-                }
-            }
-        }
-
-        if ($label_parts) {
-
-            //prepend to the last element of $label_parts an "and".
-            if (count($label_parts) > 1) {
-                $label_parts_index_to_prepend               = count($label_parts) - 1;
-                $label_parts[$label_parts_index_to_prepend] = 'and' . $label_parts[$label_parts_index_to_prepend];
-            }
-
-            $pretty_label .= sprintf(
-                esc_html_x(
-                    'Showing messages for %s',
-                    'A label for the messages returned in a query that are filtered by items in the query. This could be Transaction, Event, Attendee, Registration, or WP_User.',
-                    'event_espresso'
-                ),
-                implode(', ', $label_parts)
-            );
-        }
-        return $pretty_label;
-    }
-
-
-    /**
-     * This returns the array of expected variables for the EEI_Query_Filter methods being implemented
-     * The array is in the format:
-     * array(
-     *  {$field_name} => {$model_name}
-     * );
-     *
-     * @since 4.9.0
-     * @return array
-     */
-    protected function _expected_vars_for_query_inject()
-    {
-        return array(
-            '_REG_ID' => 'Registration',
-            'ATT_ID'  => 'Attendee',
-            'ID'      => 'WP_User',
-            'TXN_ID'  => 'Transaction',
-            'EVT_ID'  => 'Event',
-        );
-    }
-
-
-    /**
-     * This returns whether EEM_Message is in debug mode or not.
-     * Currently "debug mode" is used to control the handling of the EEM_Message::debug_only status when
-     * generating/sending messages. Debug mode can be set by either:
-     * 1. Sending in a value for the $set_debug argument
-     * 2. Defining `EE_DEBUG_MESSAGES` constant in wp-config.php
-     * 3. Overriding the above via the provided filter.
-     *
-     * @param bool|null $set_debug      If provided, then the debug mode will be set internally until reset via the
-     *                                  provided boolean. When no argument is provided (default null) then the debug
-     *                                  mode will be returned.
-     * @return bool         true means Messages is in debug mode.  false means messages system is not in debug mode.
-     */
-    public static function debug($set_debug = null)
-    {
-        static $is_debugging = null;
-
-        //initialize (use constant if set).
-        if (is_null($set_debug) && is_null($is_debugging)) {
-            $is_debugging = defined('EE_DEBUG_MESSAGES') && EE_DEBUG_MESSAGES;
-        }
-
-        if ( ! is_null($set_debug)) {
-            $is_debugging = filter_var($set_debug, FILTER_VALIDATE_BOOLEAN);
-        }
-
-        //return filtered value
-        return apply_filters('FHEE__EEM_Message__debug', $is_debugging);
-    }
-
-
-    /**
-     * Deletes old messages meeting certain criteria for removal from the database.
-     * By default, this will delete messages that:
-     * - are older than the value of the delete_threshold in months.
-     * - have a STS_ID other than EEM_Message::status_idle
-     *
-     * @param int $delete_threshold  This integer will be used to set the boundary for what messages are deleted in months.
-     * @return bool|false|int Either the number of records affected or false if there was an error (you can call
-     *                         $wpdb->last_error to find out what the error was.
-     */
-    public function delete_old_messages($delete_threshold = 6)
-    {
-        $number_deleted = 0;
-        /**
-         * Allows code to change the boundary for what messages are kept.
-         * Uses the value of the `delete_threshold` variable by default.
-         *
-         * @param int $seconds seconds that will be subtracted from the timestamp for now.
-         * @return int
-         */
-        $time_to_leave_alone = absint(
-            apply_filters(
-                'FHEE__EEM_Message__delete_old_messages__time_to_leave_alone',
-                ((int) $delete_threshold) * MONTH_IN_SECONDS
-            )
-        );
-
-
-        /**
-         * Allows code to change what message stati are ignored when deleting.
-         * Defaults to only ignore EEM_Message::status_idle messages.
-         *
-         * @param string $message_stati_to_keep  An array of message statuses that will be ignored when deleting.
-         */
-        $message_stati_to_keep = (array) apply_filters(
-            'FHEE__EEM_Message__delete_old_messages__message_stati_to_keep',
-            array(
-                EEM_Message::status_idle
-            )
-        );
-
-        //first get all the ids of messages being deleted
-        $message_ids_to_delete = EEM_Message::instance()->get_col(
-            array(
-                0 => array(
-                    'STS_ID' => array('NOT_IN', $message_stati_to_keep),
-                    'MSG_modified' => array('<', time() - $time_to_leave_alone)
-                )
-            )
-        );
-
-        if(! empty($message_ids_to_delete) && is_array($message_ids_to_delete)) {
-            global $wpdb;
-            $number_deleted = $wpdb->query('
+	/**
+	 * This priority indicates a message should be generated ASAP and queued for sending.
+	 *
+	 * @type
+	 */
+	const priority_medium = 20;
+
+
+	/**
+	 * This priority indicates a message should be queued for generating.
+	 *
+	 * @type int
+	 */
+	const priority_low = 30;
+
+
+	/**
+	 * indicates this message was sent at the time modified
+	 */
+	const status_sent = 'MSN';
+
+
+	/**
+	 * indicates this message is waiting to be sent
+	 */
+	const status_idle = 'MID';
+
+
+	/**
+	 * indicates an attempt was a made to send this message
+	 * at the scheduled time, but it failed at the time modified.  This differs from MDO status in that it will ALWAYS
+	 * appear to the end user.
+	 */
+	const status_failed = 'MFL';
+
+
+	/**
+	 * indicates the message has been flagged for resending (at the time modified).
+	 */
+	const status_resend = 'MRS';
+
+
+	/**
+	 * indicates the message has been flagged for generation but has not been generated yet.  Messages always start as
+	 * this status when added to the queue.
+	 */
+	const status_incomplete = 'MIC';
+
+
+	/**
+	 * Indicates everything was generated fine for the message, however, the messenger was unable to send.
+	 * This status means that its possible to retry sending the message.
+	 */
+	const status_retry = 'MRT';
+
+
+	/**
+	 * This is used for more informational messages that may not indicate anything is broken but still cannot be
+	 * generated or sent correctly. An example of a message that would get flagged this way would be when a not
+	 * approved message was queued for generation, but at time of generation, the attached registration(s) are
+	 * approved. So the message queued for generation is no longer valid.  Messages for this status will only persist
+	 * in the db and be viewable in the message activity list table when the messages system is in debug mode.
+	 *
+	 * @see EEM_Message::debug()
+	 */
+	const status_debug_only = 'MDO';
+
+
+	/**
+	 * This status is given to messages it is processed by the messenger send method.
+	 * Messages with this status should rarely be seen in the Message List table, but if they are, that's usually
+	 * indicative of a PHP timeout or memory limit issue.
+	 */
+	const status_messenger_executing = 'MEX';
+
+
+	/**
+	 *    Private constructor to prevent direct creation.
+	 *
+	 * @param string $timezone string representing the timezone we want to set for returned Date Time Strings (and
+	 *                         any incoming timezone data that gets saved).  Note this just sends the timezone info to
+	 *                         the date time model field objects.  Default is null (and will be assumed using the set
+	 *                         timezone in the 'timezone_string' wp option)
+	 * @return EEM_Message
+	 */
+	protected function __construct($timezone = null)
+	{
+		$this->singular_item = __('Message', 'event_espresso');
+		$this->plural_item   = __('Messages', 'event_espresso');
+
+		//used for token generator
+		EE_Registry::instance()->load_helper('URL');
+
+		$this->_tables = array(
+			'Message' => new EE_Primary_Table('esp_message', 'MSG_ID'),
+		);
+
+		$allowed_priority = array(
+			self::priority_high   => __('high', 'event_espresso'),
+			self::priority_medium => __('medium', 'event_espresso'),
+			self::priority_low    => __('low', 'event_espresso'),
+		);
+
+		$this->_fields          = array(
+			'Message' => array(
+				'MSG_ID'             => new EE_Primary_Key_Int_Field('MSG_ID', __('Message ID', 'event_espresso')),
+				'MSG_token'          => new EE_Plain_Text_Field('MSG_token',
+					__('Unique Token used to represent this row in publicly viewable contexts (eg. a url).',
+						'event_espresso'), false, EEH_URL::generate_unique_token()),
+				'GRP_ID'             => new EE_Foreign_Key_Int_Field('GRP_ID',
+					__('Foreign key to the EEM_Message_Template_Group table.', 'event_espresso'), true, 0,
+					'Message_Template_Group'),
+				'TXN_ID'             => new EE_Foreign_Key_Int_Field('TXN_ID',
+					__('Foreign key to the related EE_Transaction.  This is required to give context for regenerating the specific message',
+						'event_espresso'), true, 0, 'Transaction'),
+				'MSG_messenger'      => new EE_Plain_Text_Field('MSG_messenger',
+					__('Corresponds to the EE_messenger::name used to send this message. This will also be used to attempt any resending of the message.',
+						'event_espresso'), false, 'email'),
+				'MSG_message_type'   => new EE_Plain_Text_Field('MSG_message_type',
+					__('Corresponds to the EE_message_type::name used to generate this message.', 'event_espresso'),
+					false, 'receipt'),
+				'MSG_context'        => new EE_Plain_Text_Field('MSG_context', __('Context', 'event_espresso'), false),
+				'MSG_recipient_ID'   => new EE_Foreign_Key_Int_Field('MSG_recipient_ID',
+					__('Recipient ID', 'event_espresso'), true, null, array('Registration', 'Attendee', 'WP_User')),
+				'MSG_recipient_type' => new EE_Any_Foreign_Model_Name_Field('MSG_recipient_type',
+					__('Recipient Type', 'event_espresso'), true, null, array('Registration', 'Attendee', 'WP_User')),
+				'MSG_content'        => new EE_Maybe_Serialized_Text_Field('MSG_content',
+					__('Content', 'event_espresso'), true, ''),
+				'MSG_to'             => new EE_Maybe_Serialized_Text_Field('MSG_to', __('Address To', 'event_espresso'),
+					true),
+				'MSG_from'           => new EE_Maybe_Serialized_Text_Field('MSG_from',
+					__('Address From', 'event_espresso'), true),
+				'MSG_subject'        => new EE_Maybe_Serialized_Text_Field('MSG_subject',
+					__('Subject', 'event_espresso'), true, ''),
+				'MSG_priority'       => new EE_Enum_Integer_Field('MSG_priority', __('Priority', 'event_espresso'),
+					false, self::priority_low, $allowed_priority),
+				'STS_ID'             => new EE_Foreign_Key_String_Field('STS_ID', __('Status', 'event_espresso'), false,
+					self::status_incomplete, 'Status'),
+				'MSG_created'        => new EE_Datetime_Field('MSG_created', __('Created', 'event_espresso'), false,
+					EE_Datetime_Field::now),
+				'MSG_modified'       => new EE_Datetime_Field('MSG_modified', __('Modified', 'event_espresso'), true,
+					EE_Datetime_Field::now),
+			),
+		);
+		$this->_model_relations = array(
+			'Attendee'               => new EE_Belongs_To_Any_Relation(),
+			'Registration'           => new EE_Belongs_To_Any_Relation(),
+			'WP_User'                => new EE_Belongs_To_Any_Relation(),
+			'Message_Template_Group' => new EE_Belongs_To_Relation(),
+			'Transaction'            => new EE_Belongs_To_Relation(),
+		);
+		parent::__construct($timezone);
+	}
+
+
+	/**
+	 * @return \EE_Message
+	 */
+	public function create_default_object()
+	{
+		/** @type EE_Message $message */
+		$message = parent::create_default_object();
+		if ($message instanceof EE_Message) {
+			return EE_Message_Factory::set_messenger_and_message_type($message);
+		}
+		return null;
+	}
+
+
+	/**
+	 * @param mixed $cols_n_values
+	 * @return \EE_Message
+	 */
+	public function instantiate_class_from_array_or_object($cols_n_values)
+	{
+		/** @type EE_Message $message */
+		$message = parent::instantiate_class_from_array_or_object($cols_n_values);
+		if ($message instanceof EE_Message) {
+			return EE_Message_Factory::set_messenger_and_message_type($message);
+		}
+		return null;
+	}
+
+
+	/**
+	 * Returns whether or not a message of that type was sent for a given attendee.
+	 *
+	 * @param EE_Attendee|int $attendee
+	 * @param string          $message_type the message type slug
+	 * @return boolean
+	 */
+	public function message_sent_for_attendee($attendee, $message_type)
+	{
+		$attendee_ID = EEM_Attendee::instance()->ensure_is_ID($attendee);
+		return $this->exists(array(
+			array(
+				'Attendee.ATT_ID'  => $attendee_ID,
+				'MSG_message_type' => $message_type,
+				'STS_ID'           => array('IN', $this->stati_indicating_sent()),
+			),
+		));
+	}
+
+
+	/**
+	 * Returns whether or not a message of that type was sent for a given registration
+	 *
+	 * @param EE_Registration|int $registration
+	 * @param string              $message_type the message type slug
+	 * @return boolean
+	 */
+	public function message_sent_for_registration($registration, $message_type)
+	{
+		$registrationID = EEM_Registration::instance()->ensure_is_ID($registration);
+		return $this->exists(array(
+			array(
+				'Registration.REG_ID' => $registrationID,
+				'MSG_message_type'    => $message_type,
+				'STS_ID'              => array('IN', $this->stati_indicating_sent()),
+			),
+		));
+	}
+
+
+	/**
+	 * This retrieves an EE_Message object from the db matching the given token string.
+	 *
+	 * @param string $token
+	 * @return EE_Message
+	 */
+	public function get_one_by_token($token)
+	{
+		return $this->get_one(array(
+			array(
+				'MSG_token' => $token,
+			),
+		));
+	}
+
+
+	/**
+	 * Returns stati that indicate the message HAS been sent
+	 *
+	 * @return array of strings for possible stati
+	 */
+	public function stati_indicating_sent()
+	{
+		return apply_filters('FHEE__EEM_Message__stati_indicating_sent', array(self::status_sent));
+	}
+
+
+	/**
+	 * Returns stati that indicate the message is waiting to be sent.
+	 *
+	 * @return array of strings for possible stati.
+	 */
+	public function stati_indicating_to_send()
+	{
+		return apply_filters('FHEE__EEM_Message__stati_indicating_to_send',
+			array(self::status_idle, self::status_resend));
+	}
+
+
+	/**
+	 * Returns stati that indicate the message has failed sending
+	 *
+	 * @return array  array of strings for possible stati.
+	 */
+	public function stati_indicating_failed_sending()
+	{
+		$failed_stati = array(
+			self::status_failed,
+			self::status_retry,
+			self::status_messenger_executing,
+		);
+		//if WP_DEBUG is set, then let's include debug_only fails
+		if (WP_DEBUG) {
+			$failed_stati[] = self::status_debug_only;
+		}
+		return apply_filters('FHEE__EEM_Message__stati_indicating_failed_sending', $failed_stati);
+	}
+
+
+	/**
+	 * Returns filterable array of all EEM_Message statuses.
+	 *
+	 * @return array
+	 */
+	public function all_statuses()
+	{
+		return apply_filters(
+			'FHEE__EEM_Message__all_statuses',
+			array(
+				EEM_Message::status_sent,
+				EEM_Message::status_incomplete,
+				EEM_Message::status_idle,
+				EEM_Message::status_resend,
+				EEM_Message::status_retry,
+				EEM_Message::status_failed,
+				EEM_Message::status_messenger_executing,
+				EEM_Message::status_debug_only,
+			)
+		);
+	}
+
+	/**
+	 * Detects any specific query variables in the request and uses those to setup appropriate
+	 * filter for any queries.
+	 *
+	 * @return array
+	 */
+	public function filter_by_query_params()
+	{
+		// expected possible query_vars, the key in this array matches an expected key in the request,
+		// the value, matches the corresponding EEM_Base child reference.
+		$expected_vars   = $this->_expected_vars_for_query_inject();
+		$query_params[0] = array();
+		foreach ($expected_vars as $request_key => $model_name) {
+			$request_value = EE_Registry::instance()->REQ->get($request_key);
+			if ($request_value) {
+				//special case
+				switch ($request_key) {
+					case '_REG_ID' :
+						$query_params[0]['AND**filter_by']['OR**filter_by_REG_ID'] = array(
+							'Transaction.Registration.REG_ID' => $request_value,
+						);
+						break;
+					case 'EVT_ID' :
+						$query_params[0]['AND**filter_by']['OR**filter_by_EVT_ID'] = array(
+							'Transaction.Registration.EVT_ID' => $request_value,
+						);
+						break;
+					default :
+						$query_params[0]['AND**filter_by']['OR**filter_by_' . $request_key][$model_name . '.' . $request_key] = $request_value;
+						break;
+				}
+			}
+		}
+		return $query_params;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function get_pretty_label_for_results()
+	{
+		$expected_vars = $this->_expected_vars_for_query_inject();
+		$pretty_label  = '';
+		$label_parts   = array();
+		foreach ($expected_vars as $request_key => $model_name) {
+			$model = EE_Registry::instance()->load_model($model_name);
+			if ($model_field_value = EE_Registry::instance()->REQ->get($request_key)) {
+				switch ($request_key) {
+					case '_REG_ID' :
+						$label_parts[] = sprintf(
+							esc_html__('Registration with the ID: %s', 'event_espresso'),
+							$model_field_value
+						);
+						break;
+					case 'ATT_ID' :
+						/** @var EE_Attendee $attendee */
+						$attendee      = $model->get_one_by_ID($model_field_value);
+						$label_parts[] = $attendee instanceof EE_Attendee
+							? sprintf(esc_html__('Attendee %s', 'event_espresso'), $attendee->full_name())
+							: sprintf(esc_html__('Attendee ID: %s', 'event_espresso'), $model_field_value);
+						break;
+					case 'ID' :
+						/** @var EE_WP_User $wpUser */
+						$wpUser        = $model->get_one_by_ID($model_field_value);
+						$label_parts[] = $wpUser instanceof EE_WP_User
+							? sprintf(esc_html__('WP User: %s', 'event_espresso'), $wpUser->name())
+							: sprintf(esc_html__('WP User ID: %s', 'event_espresso'), $model_field_value);
+						break;
+					case 'TXN_ID' :
+						$label_parts[] = sprintf(
+							esc_html__('Transaction with the ID: %s', 'event_espresso'),
+							$model_field_value
+						);
+						break;
+					case 'EVT_ID' :
+						/** @var EE_Event $Event */
+						$Event         = $model->get_one_by_ID($model_field_value);
+						$label_parts[] = $Event instanceof EE_Event
+							? sprintf(esc_html__('for the Event: %s', 'event_espresso'), $Event->name())
+							: sprintf(esc_html__('for the Event with ID: %s', 'event_espresso'), $model_field_value);
+						break;
+				}
+			}
+		}
+
+		if ($label_parts) {
+
+			//prepend to the last element of $label_parts an "and".
+			if (count($label_parts) > 1) {
+				$label_parts_index_to_prepend               = count($label_parts) - 1;
+				$label_parts[$label_parts_index_to_prepend] = 'and' . $label_parts[$label_parts_index_to_prepend];
+			}
+
+			$pretty_label .= sprintf(
+				esc_html_x(
+					'Showing messages for %s',
+					'A label for the messages returned in a query that are filtered by items in the query. This could be Transaction, Event, Attendee, Registration, or WP_User.',
+					'event_espresso'
+				),
+				implode(', ', $label_parts)
+			);
+		}
+		return $pretty_label;
+	}
+
+
+	/**
+	 * This returns the array of expected variables for the EEI_Query_Filter methods being implemented
+	 * The array is in the format:
+	 * array(
+	 *  {$field_name} => {$model_name}
+	 * );
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	protected function _expected_vars_for_query_inject()
+	{
+		return array(
+			'_REG_ID' => 'Registration',
+			'ATT_ID'  => 'Attendee',
+			'ID'      => 'WP_User',
+			'TXN_ID'  => 'Transaction',
+			'EVT_ID'  => 'Event',
+		);
+	}
+
+
+	/**
+	 * This returns whether EEM_Message is in debug mode or not.
+	 * Currently "debug mode" is used to control the handling of the EEM_Message::debug_only status when
+	 * generating/sending messages. Debug mode can be set by either:
+	 * 1. Sending in a value for the $set_debug argument
+	 * 2. Defining `EE_DEBUG_MESSAGES` constant in wp-config.php
+	 * 3. Overriding the above via the provided filter.
+	 *
+	 * @param bool|null $set_debug      If provided, then the debug mode will be set internally until reset via the
+	 *                                  provided boolean. When no argument is provided (default null) then the debug
+	 *                                  mode will be returned.
+	 * @return bool         true means Messages is in debug mode.  false means messages system is not in debug mode.
+	 */
+	public static function debug($set_debug = null)
+	{
+		static $is_debugging = null;
+
+		//initialize (use constant if set).
+		if (is_null($set_debug) && is_null($is_debugging)) {
+			$is_debugging = defined('EE_DEBUG_MESSAGES') && EE_DEBUG_MESSAGES;
+		}
+
+		if ( ! is_null($set_debug)) {
+			$is_debugging = filter_var($set_debug, FILTER_VALIDATE_BOOLEAN);
+		}
+
+		//return filtered value
+		return apply_filters('FHEE__EEM_Message__debug', $is_debugging);
+	}
+
+
+	/**
+	 * Deletes old messages meeting certain criteria for removal from the database.
+	 * By default, this will delete messages that:
+	 * - are older than the value of the delete_threshold in months.
+	 * - have a STS_ID other than EEM_Message::status_idle
+	 *
+	 * @param int $delete_threshold  This integer will be used to set the boundary for what messages are deleted in months.
+	 * @return bool|false|int Either the number of records affected or false if there was an error (you can call
+	 *                         $wpdb->last_error to find out what the error was.
+	 */
+	public function delete_old_messages($delete_threshold = 6)
+	{
+		$number_deleted = 0;
+		/**
+		 * Allows code to change the boundary for what messages are kept.
+		 * Uses the value of the `delete_threshold` variable by default.
+		 *
+		 * @param int $seconds seconds that will be subtracted from the timestamp for now.
+		 * @return int
+		 */
+		$time_to_leave_alone = absint(
+			apply_filters(
+				'FHEE__EEM_Message__delete_old_messages__time_to_leave_alone',
+				((int) $delete_threshold) * MONTH_IN_SECONDS
+			)
+		);
+
+
+		/**
+		 * Allows code to change what message stati are ignored when deleting.
+		 * Defaults to only ignore EEM_Message::status_idle messages.
+		 *
+		 * @param string $message_stati_to_keep  An array of message statuses that will be ignored when deleting.
+		 */
+		$message_stati_to_keep = (array) apply_filters(
+			'FHEE__EEM_Message__delete_old_messages__message_stati_to_keep',
+			array(
+				EEM_Message::status_idle
+			)
+		);
+
+		//first get all the ids of messages being deleted
+		$message_ids_to_delete = EEM_Message::instance()->get_col(
+			array(
+				0 => array(
+					'STS_ID' => array('NOT_IN', $message_stati_to_keep),
+					'MSG_modified' => array('<', time() - $time_to_leave_alone)
+				)
+			)
+		);
+
+		if(! empty($message_ids_to_delete) && is_array($message_ids_to_delete)) {
+			global $wpdb;
+			$number_deleted = $wpdb->query('
                 DELETE
                 FROM ' . $this->table() . '
                 WHERE
                     MSG_ID IN (' . implode(",", $message_ids_to_delete) . ')
             ');
-        }
-
-        /**
-         * This will get called if the number of records deleted 0 or greater.  So a successful deletion is one where
-         * there were no errors.  An unsuccessful deletion is where there were errors.  Keep that in mind for the actions
-         * below.
-         */
-        if ($number_deleted !== false) {
-            do_action('AHEE__EEM_Message__delete_old_messages__after_successful_deletion', $message_ids_to_delete, $number_deleted);
-        } else {
-            do_action('AHEE__EEM_Message__delete_old_messages__after_deletion_fail', $message_ids_to_delete, $number_deleted);
-        }
-        return $number_deleted;
-    }
+		}
+
+		/**
+		 * This will get called if the number of records deleted 0 or greater.  So a successful deletion is one where
+		 * there were no errors.  An unsuccessful deletion is where there were errors.  Keep that in mind for the actions
+		 * below.
+		 */
+		if ($number_deleted !== false) {
+			do_action('AHEE__EEM_Message__delete_old_messages__after_successful_deletion', $message_ids_to_delete, $number_deleted);
+		} else {
+			do_action('AHEE__EEM_Message__delete_old_messages__after_deletion_fail', $message_ids_to_delete, $number_deleted);
+		}
+		return $number_deleted;
+	}
 
 }
 // End of file EEM_Message.model.php

core/libraries/messages/EE_Messages_Scheduler.lib.php

Indentation +194 added lines, -194 removed lines

@@ -12,199 +12,199 @@
 class EE_Messages_Scheduler extends EE_Base
 {
 
-    /**
-     * Number of seconds between batch sends/generates on the cron job.
-     * Defaults to 5 minutes in seconds.  If you want to change this interval, you can use the native WordPress
-     * `cron_schedules` filter and modify the existing custom `ee_message_cron` schedule interval added.
-     *
-     * @type int
-     */
-    const message_cron_schedule = 300;
-
-    /**
-     * Constructor
-     */
-    public function __construct()
-    {
-        //register tasks (and make sure only registered once).
-        if (! has_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'))) {
-            add_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'), 10);
-        }
-
-        //register callbacks for scheduled events (but make sure they are set only once).
-        if (! has_action(
-            'AHEE__EE_Messages_Scheduler__generation',
-            array('EE_Messages_Scheduler', 'batch_generation')
-        )) {
-            add_action('AHEE__EE_Messages_Scheduler__generation', array('EE_Messages_Scheduler', 'batch_generation'));
-            add_action('AHEE__EE_Messages_Scheduler__sending', array('EE_Messages_Scheduler', 'batch_sending'));
-            add_action('AHEE__EE_Messages_Scheduler__cleanup', array('EE_Messages_Scheduler', 'cleanup'));
-        }
-
-        //add custom schedules
-        add_filter('cron_schedules', array($this, 'custom_schedules'));
-    }
-
-
-    /**
-     * Add custom schedules for wp_cron
-     *
-     * @param $schedules
-     */
-    public function custom_schedules($schedules)
-    {
-        $schedules['ee_message_cron'] = array(
-            'interval' => self::message_cron_schedule,
-            'display'  => __(
-                'This is the cron time interval for EE Message schedules (defaults to once every 5 minutes)',
-                'event_espresso'
-            ),
-        );
-        return $schedules;
-    }
-
-
-    /**
-     * Callback for FHEE__EEH_Activation__get_cron_tasks that is used to retrieve scheduled Cron events to add and
-     * remove.
-     *
-     * @param array $tasks already existing scheduled tasks
-     * @return array
-     */
-    public function register_scheduled_tasks($tasks)
-    {
-        EE_Registry::instance()->load_helper('DTT_Helper');
-        $tasks['AHEE__EE_Messages_Scheduler__generation'] = 'ee_message_cron';
-        $tasks['AHEE__EE_Messages_Scheduler__sending']    = 'ee_message_cron';
-        $tasks['AHEE__EE_Messages_Scheduler__cleanup'] = array( EEH_DTT_Helper::tomorrow(), 'daily');
-        return $tasks;
-    }
-
-
-    /**
-     * This initiates a non-blocking separate request to execute on a scheduled task.
-     * Note: The EED_Messages module has the handlers for these requests.
-     *
-     * @param string $task The task the request is being generated for.
-     */
-    public static function initiate_scheduled_non_blocking_request($task)
-    {
-        if (apply_filters(
-            'EE_Messages_Scheduler__initiate_scheduled_non_blocking_request__do_separate_request',
-            true
-        )) {
-            $request_url  = add_query_arg(
-                array_merge(
-                    array('ee' => 'msg_cron_trigger'),
-                    EE_Messages_Scheduler::get_request_params($task)
-                ),
-                site_url()
-            );
-            $request_args = array(
-                'timeout'     => 300,
-                'blocking'    => (defined('DOING_CRON') && DOING_CRON) || (defined('DOING_AJAX') && DOING_AJAX) ? true : false,
-                'sslverify'   => false,
-                'redirection' => 10,
-            );
-            $response     = wp_remote_get($request_url, $request_args);
-            if (is_wp_error($response)) {
-                trigger_error($response->get_error_message());
-            }
-        } else {
-            EE_Messages_Scheduler::initiate_immediate_request_on_cron($task);
-        }
-    }
-
-
-    /**
-     * This returns
-     * the request params used for a scheduled message task request.
-     *
-     * @param string $task The task the request is for.
-     * @return array
-     */
-    public static function get_request_params($task)
-    {
-        //transient is used for flood control on msg_cron_trigger requests
-        $transient_key = 'ee_trans_' . uniqid($task);
-        set_transient($transient_key, 1, 5 * MINUTE_IN_SECONDS);
-        return array(
-            'type' => $task,
-            'key'  => $transient_key,
-        );
-    }
-
-
-    /**
-     * This is used to execute an immediate call to the run_cron task performed by EED_Messages
-     *
-     * @param string $task The task the request is being generated for.
-     */
-    public static function initiate_immediate_request_on_cron($task)
-    {
-        $request_args = EE_Messages_Scheduler::get_request_params($task);
-        //set those request args in the request so it gets picked up
-        foreach ($request_args as $request_key => $request_value) {
-            EE_Registry::instance()->REQ->set($request_key, $request_value);
-        }
-        EED_Messages::instance()->run_cron();
-    }
-
-
-    /**
-     * Callback for scheduled AHEE__EE_Messages_Scheduler__generation wp cron event
-     */
-    public static function batch_generation()
-    {
-        /**
-         * @see filter usage in EE_Messages_Queue::initiate_request_by_priority()
-         */
-        if (! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
-            || ! EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
-        ) {
-            EE_Messages_Scheduler::initiate_immediate_request_on_cron('generate');
-        }
-    }
-
-
-    /**
-     * Callback for scheduled AHEE__EE_Messages_Scheduler__sending
-     */
-    public static function batch_sending()
-    {
-        /**
-         * @see filter usage in EE_Messages_Queue::initiate_request_by_priority()
-         */
-        if (! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
-            || ! EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
-        ) {
-            EE_Messages_Scheduler::initiate_immediate_request_on_cron('send');
-        }
-    }
-
-
-    /**
-     * This is the callback for the `AHEE__EE_Messages_Scheduler__cleanup` scheduled event action.
-     * This runs once a day and if cleanup is active (set via messages settings), it will (by default) delete permanently
-     * from the database messages that have a MSG_modified date older than 30 days.
-     */
-    public static function cleanup()
-    {
-        //first check if user has cleanup turned on or if we're in maintenance mode.  If in maintenance mode we'll wait
-        //until the next scheduled event.
-        if (! EE_Registry::instance()->CFG->messages->delete_threshold
-            || ! EE_Maintenance_Mode::instance()->models_can_query()
-        ) {
-            return;
-        }
-
-        /**
-         * This filter switch allows other code (such as the EE_Worker_Queue add-on) to replace this with its own handling
-         * of deleting messages.
-         */
-        if (apply_filters('FHEE__EE_Messages_Scheduler__cleanup__handle_cleanup_on_cron', true)) {
-            EEM_Message::instance()->delete_old_messages(EE_Registry::instance()->CFG->messages->delete_threshold);
-        }
-    }
+	/**
+	 * Number of seconds between batch sends/generates on the cron job.
+	 * Defaults to 5 minutes in seconds.  If you want to change this interval, you can use the native WordPress
+	 * `cron_schedules` filter and modify the existing custom `ee_message_cron` schedule interval added.
+	 *
+	 * @type int
+	 */
+	const message_cron_schedule = 300;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		//register tasks (and make sure only registered once).
+		if (! has_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'))) {
+			add_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'), 10);
+		}
+
+		//register callbacks for scheduled events (but make sure they are set only once).
+		if (! has_action(
+			'AHEE__EE_Messages_Scheduler__generation',
+			array('EE_Messages_Scheduler', 'batch_generation')
+		)) {
+			add_action('AHEE__EE_Messages_Scheduler__generation', array('EE_Messages_Scheduler', 'batch_generation'));
+			add_action('AHEE__EE_Messages_Scheduler__sending', array('EE_Messages_Scheduler', 'batch_sending'));
+			add_action('AHEE__EE_Messages_Scheduler__cleanup', array('EE_Messages_Scheduler', 'cleanup'));
+		}
+
+		//add custom schedules
+		add_filter('cron_schedules', array($this, 'custom_schedules'));
+	}
+
+
+	/**
+	 * Add custom schedules for wp_cron
+	 *
+	 * @param $schedules
+	 */
+	public function custom_schedules($schedules)
+	{
+		$schedules['ee_message_cron'] = array(
+			'interval' => self::message_cron_schedule,
+			'display'  => __(
+				'This is the cron time interval for EE Message schedules (defaults to once every 5 minutes)',
+				'event_espresso'
+			),
+		);
+		return $schedules;
+	}
+
+
+	/**
+	 * Callback for FHEE__EEH_Activation__get_cron_tasks that is used to retrieve scheduled Cron events to add and
+	 * remove.
+	 *
+	 * @param array $tasks already existing scheduled tasks
+	 * @return array
+	 */
+	public function register_scheduled_tasks($tasks)
+	{
+		EE_Registry::instance()->load_helper('DTT_Helper');
+		$tasks['AHEE__EE_Messages_Scheduler__generation'] = 'ee_message_cron';
+		$tasks['AHEE__EE_Messages_Scheduler__sending']    = 'ee_message_cron';
+		$tasks['AHEE__EE_Messages_Scheduler__cleanup'] = array( EEH_DTT_Helper::tomorrow(), 'daily');
+		return $tasks;
+	}
+
+
+	/**
+	 * This initiates a non-blocking separate request to execute on a scheduled task.
+	 * Note: The EED_Messages module has the handlers for these requests.
+	 *
+	 * @param string $task The task the request is being generated for.
+	 */
+	public static function initiate_scheduled_non_blocking_request($task)
+	{
+		if (apply_filters(
+			'EE_Messages_Scheduler__initiate_scheduled_non_blocking_request__do_separate_request',
+			true
+		)) {
+			$request_url  = add_query_arg(
+				array_merge(
+					array('ee' => 'msg_cron_trigger'),
+					EE_Messages_Scheduler::get_request_params($task)
+				),
+				site_url()
+			);
+			$request_args = array(
+				'timeout'     => 300,
+				'blocking'    => (defined('DOING_CRON') && DOING_CRON) || (defined('DOING_AJAX') && DOING_AJAX) ? true : false,
+				'sslverify'   => false,
+				'redirection' => 10,
+			);
+			$response     = wp_remote_get($request_url, $request_args);
+			if (is_wp_error($response)) {
+				trigger_error($response->get_error_message());
+			}
+		} else {
+			EE_Messages_Scheduler::initiate_immediate_request_on_cron($task);
+		}
+	}
+
+
+	/**
+	 * This returns
+	 * the request params used for a scheduled message task request.
+	 *
+	 * @param string $task The task the request is for.
+	 * @return array
+	 */
+	public static function get_request_params($task)
+	{
+		//transient is used for flood control on msg_cron_trigger requests
+		$transient_key = 'ee_trans_' . uniqid($task);
+		set_transient($transient_key, 1, 5 * MINUTE_IN_SECONDS);
+		return array(
+			'type' => $task,
+			'key'  => $transient_key,
+		);
+	}
+
+
+	/**
+	 * This is used to execute an immediate call to the run_cron task performed by EED_Messages
+	 *
+	 * @param string $task The task the request is being generated for.
+	 */
+	public static function initiate_immediate_request_on_cron($task)
+	{
+		$request_args = EE_Messages_Scheduler::get_request_params($task);
+		//set those request args in the request so it gets picked up
+		foreach ($request_args as $request_key => $request_value) {
+			EE_Registry::instance()->REQ->set($request_key, $request_value);
+		}
+		EED_Messages::instance()->run_cron();
+	}
+
+
+	/**
+	 * Callback for scheduled AHEE__EE_Messages_Scheduler__generation wp cron event
+	 */
+	public static function batch_generation()
+	{
+		/**
+		 * @see filter usage in EE_Messages_Queue::initiate_request_by_priority()
+		 */
+		if (! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
+			|| ! EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
+		) {
+			EE_Messages_Scheduler::initiate_immediate_request_on_cron('generate');
+		}
+	}
+
+
+	/**
+	 * Callback for scheduled AHEE__EE_Messages_Scheduler__sending
+	 */
+	public static function batch_sending()
+	{
+		/**
+		 * @see filter usage in EE_Messages_Queue::initiate_request_by_priority()
+		 */
+		if (! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
+			|| ! EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
+		) {
+			EE_Messages_Scheduler::initiate_immediate_request_on_cron('send');
+		}
+	}
+
+
+	/**
+	 * This is the callback for the `AHEE__EE_Messages_Scheduler__cleanup` scheduled event action.
+	 * This runs once a day and if cleanup is active (set via messages settings), it will (by default) delete permanently
+	 * from the database messages that have a MSG_modified date older than 30 days.
+	 */
+	public static function cleanup()
+	{
+		//first check if user has cleanup turned on or if we're in maintenance mode.  If in maintenance mode we'll wait
+		//until the next scheduled event.
+		if (! EE_Registry::instance()->CFG->messages->delete_threshold
+			|| ! EE_Maintenance_Mode::instance()->models_can_query()
+		) {
+			return;
+		}
+
+		/**
+		 * This filter switch allows other code (such as the EE_Worker_Queue add-on) to replace this with its own handling
+		 * of deleting messages.
+		 */
+		if (apply_filters('FHEE__EE_Messages_Scheduler__cleanup__handle_cleanup_on_cron', true)) {
+			EEM_Message::instance()->delete_old_messages(EE_Registry::instance()->CFG->messages->delete_threshold);
+		}
+	}
 
 } //end EE_Messages_Scheduler
\ No newline at end of file

Spacing +9 added lines, -9 removed lines

@@ -27,12 +27,12 @@ 
     public function __construct()
     {
         //register tasks (and make sure only registered once).
-        if (! has_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'))) {
+        if ( ! has_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'))) {
             add_action('FHEE__EEH_Activation__get_cron_tasks', array($this, 'register_scheduled_tasks'), 10);
         }
 
         //register callbacks for scheduled events (but make sure they are set only once).
-        if (! has_action(
+        if ( ! has_action(
             'AHEE__EE_Messages_Scheduler__generation',
             array('EE_Messages_Scheduler', 'batch_generation')
         )) {
@@ -76,7 +76,7 @@ 
         EE_Registry::instance()->load_helper('DTT_Helper');
         $tasks['AHEE__EE_Messages_Scheduler__generation'] = 'ee_message_cron';
         $tasks['AHEE__EE_Messages_Scheduler__sending']    = 'ee_message_cron';
-        $tasks['AHEE__EE_Messages_Scheduler__cleanup'] = array( EEH_DTT_Helper::tomorrow(), 'daily');
+        $tasks['AHEE__EE_Messages_Scheduler__cleanup'] = array(EEH_DTT_Helper::tomorrow(), 'daily');
         return $tasks;
     }
 
@@ -93,7 +93,7 @@ 
             'EE_Messages_Scheduler__initiate_scheduled_non_blocking_request__do_separate_request',
             true
         )) {
-            $request_url  = add_query_arg(
+            $request_url = add_query_arg(
                 array_merge(
                     array('ee' => 'msg_cron_trigger'),
                     EE_Messages_Scheduler::get_request_params($task)
@@ -106,7 +106,7 @@ 
                 'sslverify'   => false,
                 'redirection' => 10,
             );
-            $response     = wp_remote_get($request_url, $request_args);
+            $response = wp_remote_get($request_url, $request_args);
             if (is_wp_error($response)) {
                 trigger_error($response->get_error_message());
             }
@@ -126,7 +126,7 @@ 
     public static function get_request_params($task)
     {
         //transient is used for flood control on msg_cron_trigger requests
-        $transient_key = 'ee_trans_' . uniqid($task);
+        $transient_key = 'ee_trans_'.uniqid($task);
         set_transient($transient_key, 1, 5 * MINUTE_IN_SECONDS);
         return array(
             'type' => $task,
@@ -159,7 +159,7 @@ 
         /**
          * @see filter usage in EE_Messages_Queue::initiate_request_by_priority()
          */
-        if (! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
+        if ( ! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
             || ! EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
         ) {
             EE_Messages_Scheduler::initiate_immediate_request_on_cron('generate');
@@ -175,7 +175,7 @@ 
         /**
          * @see filter usage in EE_Messages_Queue::initiate_request_by_priority()
          */
-        if (! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
+        if ( ! apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', false)
             || ! EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
         ) {
             EE_Messages_Scheduler::initiate_immediate_request_on_cron('send');
@@ -192,7 +192,7 @@ 
     {
         //first check if user has cleanup turned on or if we're in maintenance mode.  If in maintenance mode we'll wait
         //until the next scheduled event.
-        if (! EE_Registry::instance()->CFG->messages->delete_threshold
+        if ( ! EE_Registry::instance()->CFG->messages->delete_threshold
             || ! EE_Maintenance_Mode::instance()->models_can_query()
         ) {
             return;

admin_pages/messages/Messages_Admin_Page.core.php

Indentation +3643 added lines, -3643 removed lines

@@ -1,5 +1,5 @@ 
 <?php if ( ! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('NO direct script access allowed');
+	exit('NO direct script access allowed');
 }
 
 /**
@@ -17,2213 +17,2213 @@ 
 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 $routing
-     */
-    public function __construct($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       = __('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
-     */
-    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
-     */
-    public function get_messengers_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            __('This method is no longer in use.  There is no replacement for it. The method was used to generate a set of
+	/**
+	 * @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 $routing
+	 */
+	public function __construct($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       = __('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
+	 */
+	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
+	 */
+	public function get_messengers_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			__('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
 			 Messages_Admin_Page::get_messengers_select_input', 'event_espresso'),
-            '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
-     */
-    public function get_message_types_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            __('This method is no longer in use.  There is no replacement for it. The method was used to generate a set of
+			'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
+	 */
+	public function get_message_types_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			__('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
 			 Messages_Admin_Page::get_message_types_select_input', 'event_espresso'),
-            '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
-     */
-    public function get_contexts_for_message_types_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            __('This method is no longer in use.  There is no replacement for it. The method was used to generate a set of
+			'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
+	 */
+	public function get_contexts_for_message_types_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			__('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
 			 Messages_Admin_Page::get_contexts_for_message_types_select_input', 'event_espresso'),
-            '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 $messenger_options Array of messengers indexed by messenger slug and values are the messenger
-     *                                 labels.
-     *
-     * @return string
-     */
-    public function get_messengers_select_input($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' => __('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 $message_type_options Array of message types indexed by message type slug, and values are the
-     *                                    message type labels
-     *
-     * @return string
-     */
-    public function get_message_types_select_input($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' => __('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 $context_options Array of message type contexts indexed by context slug, and values are the
-     *                               context label.
-     *
-     * @return string
-     */
-    public function get_contexts_for_message_types_select_input($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' => __('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'));
-    }
-    
-    
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = $this->page_label;
-        $this->_labels           = array(
-            'buttons'    => array(
-                'add'    => __('Add New Message Template', 'event_espresso'),
-                'edit'   => __('Edit Message Template', 'event_espresso'),
-                'delete' => __('Delete Message Template', 'event_espresso')
-            ),
-            'publishbox' => __('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_message',
-                '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' => __('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' => __('Default Message Templates', 'event_espresso'),
-                    'order' => 20
-                ),
-                'list_table'    => 'Messages_Template_List_Table',
-                'help_tabs'     => array(
-                    'messages_overview_help_tab'                                => array(
-                        'title'    => __('Messages Overview', 'event_espresso'),
-                        'filename' => 'messages_overview'
-                    ),
-                    'messages_overview_messages_table_column_headings_help_tab' => array(
-                        'title'    => __('Messages Table Column Headings', 'event_espresso'),
-                        'filename' => 'messages_overview_table_column_headings'
-                    ),
-                    'messages_overview_messages_filters_help_tab'               => array(
-                        'title'    => __('Message Filters', 'event_espresso'),
-                        'filename' => 'messages_overview_filters'
-                    ),
-                    'messages_overview_messages_views_help_tab'                 => array(
-                        'title'    => __('Message Views', 'event_espresso'),
-                        'filename' => 'messages_overview_views'
-                    ),
-                    'message_overview_message_types_help_tab'                   => array(
-                        'title'    => __('Message Types', 'event_espresso'),
-                        'filename' => 'messages_overview_types'
-                    ),
-                    'messages_overview_messengers_help_tab'                     => array(
-                        'title'    => __('Messengers', 'event_espresso'),
-                        'filename' => 'messages_overview_messengers',
-                    ),
-                    'messages_overview_other_help_tab'                          => array(
-                        'title'    => __('Messages Other', 'event_espresso'),
-                        'filename' => 'messages_overview_other',
-                    ),
-                ),
-                'help_tour'     => array('Messages_Overview_Help_Tour'),
-                'require_nonce' => false
-            ),
-            'custom_mtps'              => array(
-                'nav'           => array(
-                    'label' => __('Custom Message Templates', 'event_espresso'),
-                    'order' => 30
-                ),
-                'help_tabs'     => array(),
-                'help_tour'     => array(),
-                'require_nonce' => false
-            ),
-            'add_new_message_template' => array(
-                'nav'           => array(
-                    'label'      => __('Add New Message Templates', 'event_espresso'),
-                    'order'      => 5,
-                    'persistent' => false
-                ),
-                'require_nonce' => false
-            ),
-            'edit_message_template'    => array(
-                'labels'        => array(
-                    'buttons'    => array(
-                        'reset' => __('Reset Templates'),
-                    ),
-                    'publishbox' => __('Update Actions', 'event_espresso')
-                ),
-                'nav'           => array(
-                    'label'      => __('Edit Message Templates', 'event_espresso'),
-                    'order'      => 5,
-                    'persistent' => false,
-                    'url'        => ''
-                ),
-                'metaboxes'     => array('_publish_post_box', '_register_edit_meta_boxes'),
-                'has_metaboxes' => true,
-                'help_tour'     => array('Message_Templates_Edit_Help_Tour'),
-                'help_tabs'     => array(
-                    'edit_message_template'       => array(
-                        'title'    => __('Message Template Editor', 'event_espresso'),
-                        'callback' => 'edit_message_template_help_tab'
-                    ),
-                    'message_templates_help_tab'  => array(
-                        'title'    => __('Message Templates', 'event_espresso'),
-                        'filename' => 'messages_templates'
-                    ),
-                    'message_template_shortcodes' => array(
-                        'title'    => __('Message Shortcodes', 'event_espresso'),
-                        'callback' => 'message_template_shortcodes_help_tab'
-                    ),
-                    'message_preview_help_tab'    => array(
-                        'title'    => __('Message Preview', 'event_espresso'),
-                        'filename' => 'messages_preview'
-                    ),
-                ),
-                'require_nonce' => false
-            ),
-            'display_preview_message'  => array(
-                'nav'           => array(
-                    'label'      => __('Message Preview', 'event_espresso'),
-                    'order'      => 5,
-                    'url'        => '',
-                    'persistent' => false
-                ),
-                'help_tabs'     => array(
-                    'preview_message' => array(
-                        'title'    => __('About Previews', 'event_espresso'),
-                        'callback' => 'preview_message_help_tab'
-                    )
-                ),
-                'require_nonce' => false
-            ),
-            'settings'                 => array(
-                'nav'           => array(
-                    'label' => __('Settings', 'event_espresso'),
-                    'order' => 40
-                ),
-                'metaboxes'     => array('_messages_settings_metaboxes'),
-                'help_tabs'     => array(
-                    'messages_settings_help_tab'               => array(
-                        'title'    => __('Messages Settings', 'event_espresso'),
-                        'filename' => 'messages_settings'
-                    ),
-                    'messages_settings_message_types_help_tab' => array(
-                        'title'    => __('Activating / Deactivating Message Types', 'event_espresso'),
-                        'filename' => 'messages_settings_message_types'
-                    ),
-                    'messages_settings_messengers_help_tab'    => array(
-                        'title'    => __('Activating / Deactivating Messengers', 'event_espresso'),
-                        'filename' => 'messages_settings_messengers'
-                    ),
-                ),
-                '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 = __('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 = __('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);
-    }
+			'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 $messenger_options Array of messengers indexed by messenger slug and values are the messenger
+	 *                                 labels.
+	 *
+	 * @return string
+	 */
+	public function get_messengers_select_input($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' => __('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 $message_type_options Array of message types indexed by message type slug, and values are the
+	 *                                    message type labels
+	 *
+	 * @return string
+	 */
+	public function get_message_types_select_input($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' => __('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 $context_options Array of message type contexts indexed by context slug, and values are the
+	 *                               context label.
+	 *
+	 * @return string
+	 */
+	public function get_contexts_for_message_types_select_input($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' => __('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'));
+	}
+    
+    
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = $this->page_label;
+		$this->_labels           = array(
+			'buttons'    => array(
+				'add'    => __('Add New Message Template', 'event_espresso'),
+				'edit'   => __('Edit Message Template', 'event_espresso'),
+				'delete' => __('Delete Message Template', 'event_espresso')
+			),
+			'publishbox' => __('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_message',
+				'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' => __('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' => __('Default Message Templates', 'event_espresso'),
+					'order' => 20
+				),
+				'list_table'    => 'Messages_Template_List_Table',
+				'help_tabs'     => array(
+					'messages_overview_help_tab'                                => array(
+						'title'    => __('Messages Overview', 'event_espresso'),
+						'filename' => 'messages_overview'
+					),
+					'messages_overview_messages_table_column_headings_help_tab' => array(
+						'title'    => __('Messages Table Column Headings', 'event_espresso'),
+						'filename' => 'messages_overview_table_column_headings'
+					),
+					'messages_overview_messages_filters_help_tab'               => array(
+						'title'    => __('Message Filters', 'event_espresso'),
+						'filename' => 'messages_overview_filters'
+					),
+					'messages_overview_messages_views_help_tab'                 => array(
+						'title'    => __('Message Views', 'event_espresso'),
+						'filename' => 'messages_overview_views'
+					),
+					'message_overview_message_types_help_tab'                   => array(
+						'title'    => __('Message Types', 'event_espresso'),
+						'filename' => 'messages_overview_types'
+					),
+					'messages_overview_messengers_help_tab'                     => array(
+						'title'    => __('Messengers', 'event_espresso'),
+						'filename' => 'messages_overview_messengers',
+					),
+					'messages_overview_other_help_tab'                          => array(
+						'title'    => __('Messages Other', 'event_espresso'),
+						'filename' => 'messages_overview_other',
+					),
+				),
+				'help_tour'     => array('Messages_Overview_Help_Tour'),
+				'require_nonce' => false
+			),
+			'custom_mtps'              => array(
+				'nav'           => array(
+					'label' => __('Custom Message Templates', 'event_espresso'),
+					'order' => 30
+				),
+				'help_tabs'     => array(),
+				'help_tour'     => array(),
+				'require_nonce' => false
+			),
+			'add_new_message_template' => array(
+				'nav'           => array(
+					'label'      => __('Add New Message Templates', 'event_espresso'),
+					'order'      => 5,
+					'persistent' => false
+				),
+				'require_nonce' => false
+			),
+			'edit_message_template'    => array(
+				'labels'        => array(
+					'buttons'    => array(
+						'reset' => __('Reset Templates'),
+					),
+					'publishbox' => __('Update Actions', 'event_espresso')
+				),
+				'nav'           => array(
+					'label'      => __('Edit Message Templates', 'event_espresso'),
+					'order'      => 5,
+					'persistent' => false,
+					'url'        => ''
+				),
+				'metaboxes'     => array('_publish_post_box', '_register_edit_meta_boxes'),
+				'has_metaboxes' => true,
+				'help_tour'     => array('Message_Templates_Edit_Help_Tour'),
+				'help_tabs'     => array(
+					'edit_message_template'       => array(
+						'title'    => __('Message Template Editor', 'event_espresso'),
+						'callback' => 'edit_message_template_help_tab'
+					),
+					'message_templates_help_tab'  => array(
+						'title'    => __('Message Templates', 'event_espresso'),
+						'filename' => 'messages_templates'
+					),
+					'message_template_shortcodes' => array(
+						'title'    => __('Message Shortcodes', 'event_espresso'),
+						'callback' => 'message_template_shortcodes_help_tab'
+					),
+					'message_preview_help_tab'    => array(
+						'title'    => __('Message Preview', 'event_espresso'),
+						'filename' => 'messages_preview'
+					),
+				),
+				'require_nonce' => false
+			),
+			'display_preview_message'  => array(
+				'nav'           => array(
+					'label'      => __('Message Preview', 'event_espresso'),
+					'order'      => 5,
+					'url'        => '',
+					'persistent' => false
+				),
+				'help_tabs'     => array(
+					'preview_message' => array(
+						'title'    => __('About Previews', 'event_espresso'),
+						'callback' => 'preview_message_help_tab'
+					)
+				),
+				'require_nonce' => false
+			),
+			'settings'                 => array(
+				'nav'           => array(
+					'label' => __('Settings', 'event_espresso'),
+					'order' => 40
+				),
+				'metaboxes'     => array('_messages_settings_metaboxes'),
+				'help_tabs'     => array(
+					'messages_settings_help_tab'               => array(
+						'title'    => __('Messages Settings', 'event_espresso'),
+						'filename' => 'messages_settings'
+					),
+					'messages_settings_message_types_help_tab' => array(
+						'title'    => __('Activating / Deactivating Message Types', 'event_espresso'),
+						'filename' => 'messages_settings_message_types'
+					),
+					'messages_settings_messengers_help_tab'    => array(
+						'title'    => __('Activating / Deactivating Messengers', 'event_espresso'),
+						'filename' => 'messages_settings_messengers'
+					),
+				),
+				'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 = __('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 = __('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 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 id="ee-on-off-toggle-on" class="ee-on-off-toggle ee-toggle-round-flat" type="checkbox" checked="checked"><label for="ee-on-off-toggle-on"></label>';
-        $args['img4'] = '<div class="switch"><input id="ee-on-off-toggle-on" class="ee-on-off-toggle ee-toggle-round-flat" type="checkbox"><label for="ee-on-off-toggle-on"></label>';
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_settings_help_tab.template.php', $args);
-    }
+    
+	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 id="ee-on-off-toggle-on" class="ee-on-off-toggle ee-toggle-round-flat" type="checkbox" checked="checked"><label for="ee-on-off-toggle-on"></label>';
+		$args['img4'] = '<div class="switch"><input id="ee-on-off-toggle-on" class="ee-on-off-toggle ee-toggle-round-flat" type="checkbox"><label for="ee-on-off-toggle-on"></label>';
+		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');
+	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);
-    }
+		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 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 = $this->_active_message_type_name;
+	public function wp_editor_css($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);
-        }
+			//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();
+		return $mce_css;
+	}
+    
+    
+	public function load_scripts_styles_edit_message_template()
+	{
+        
+		$this->_set_shortcodes();
         
-        EE_Registry::$i18n_js_strings['confirm_default_reset']        = sprintf(
-            __('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'] = __('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');
-        
-        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'       => __('In Use', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array(
-                    'trash_message_template' => __('Move to Trash', 'event_espresso')
-                )
-            )
-        );
-    }
-    
-    
-    /**
-     * set views array for message queue list table
-     */
-    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'          => __('Generate Now', 'event_espresso'),
-                'generate_and_send_now' => __('Generate and Send Now', 'event_espresso'),
-                'queue_for_resending'   => __('Queue for Resending', 'event_espresso'),
-                'send_now'              => __('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' => __('Delete Messages', 'event_espresso'))
-            : array();
-        
-        
-        $this->_views = array(
-            'all' => array(
-                'slug'        => 'all',
-                'label'       => __('All', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array_merge($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'] = $common_bulk_actions['send_now'];
-                        break;
+		EE_Registry::$i18n_js_strings['confirm_default_reset']        = sprintf(
+			__('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'] = __('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');
+        
+		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'       => __('In Use', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array(
+					'trash_message_template' => __('Move to Trash', 'event_espresso')
+				)
+			)
+		);
+	}
+    
+    
+	/**
+	 * set views array for message queue list table
+	 */
+	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'          => __('Generate Now', 'event_espresso'),
+				'generate_and_send_now' => __('Generate and Send Now', 'event_espresso'),
+				'queue_for_resending'   => __('Queue for Resending', 'event_espresso'),
+				'send_now'              => __('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' => __('Delete Messages', 'event_espresso'))
+			: array();
+        
+        
+		$this->_views = array(
+			'all' => array(
+				'slug'        => 'all',
+				'label'       => __('All', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array_merge($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_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'], $status_bulk_actions['send_now']);
-                        break;
+					case EEM_Message::status_incomplete:
+						unset($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'], $status_bulk_actions['generate_and_send_now']);
-                        break;
-                }
-            }
+					case EEM_Message::status_retry:
+					case EEM_Message::status_sent:
+						unset($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;
-            }
+			//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 = __('Default Message Templates', 'event_espresso');
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-    
-    
-    protected function _message_queue_list_table()
-    {
-        $this->_search_btn_label                   = __('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              = __('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>' . __('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   $global  whether to return just global (true) or custom templates (false)
-     *
-     * @return array
-     */
-    public function get_message_templates($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) {
+			$this->_views[strtolower($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 = __('Default Message Templates', 'event_espresso');
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+    
+    
+	protected function _message_queue_list_table()
+	{
+		$this->_search_btn_label                   = __('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              = __('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>' . __('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   $global  whether to return just global (true) or custom templates (false)
+	 *
+	 * @return array
+	 */
+	public function get_message_templates($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;
+			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);
+			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 : '';
-        $message_type = empty($message_type) && ! empty($this->_req_data['message_type']) ? $this->_req_data['message_type'] : $message_type;
-        
-        $messenger = ! empty($messenger) ? $messenger : '';
-        $messenger = empty($messenger) && ! empty($this->_req_data['messenger']) ? $this->_req_data['messenger'] : $messenger;
-        
-        $GRP_ID = ! empty($GRP_ID) ? $GRP_ID : '';
-        $GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : $GRP_ID;
-        
-        //we need messenger and message type.  They should be coming from the event editor. If not here then return error
-        if (empty($message_type) || empty($messenger)) {
-            throw new EE_error(__('Sorry, but we can\'t create new templates because we\'re missing the messenger or message type',
-                'event_espresso'));
-        }
-        
-        //we need the GRP_ID for the template being used as the base for the new template
-        if (empty($GRP_ID)) {
-            throw new EE_Error(__('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    $GRP_ID           GRP_ID for the related message template group this new template will be based
-     *                                 off of.
-     */
-    public function add_message_template($message_type, $messenger, $GRP_ID)
-    {
-        $this->_add_message_template($message_type, $messenger, $GRP_ID);
-    }
-    
-    
-    /**
-     * _edit_message_template
-     *
-     * @access protected
-     * @return void
-     */
-    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;
-        
-        $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)) {
-            $action = 'insert_message_template';
-            //$button_both = false;
-            //$button_text = array( __( 'Save','event_espresso') );
-            //$button_actions = array('something_different');
-            //$referrer = false;
-            $edit_message_template_form_url = add_query_arg(
-                array('action' => $action, 'noheader' => true),
-                EE_MSG_ADMIN_URL
-            );
-        } else {
-            $action = 'update_message_template';
-            //$button_both = true;
-            //$button_text = array();
-            //$button_actions = array();
-            //$referrer = $this->_admin_base_url;
-            $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(
-            __('(%s %s)', 'event_espresso'),
-            $c_config[$context]['label'],
-            ucwords($c_label['label'])
-        );
-        
-        $title = sprintf(
-            __(' %s %s Template %s', 'event_espresso'),
-            ucwords($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          = __('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;
-                                }
-                            }
+		}
+        
+		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 : '';
+		$message_type = empty($message_type) && ! empty($this->_req_data['message_type']) ? $this->_req_data['message_type'] : $message_type;
+        
+		$messenger = ! empty($messenger) ? $messenger : '';
+		$messenger = empty($messenger) && ! empty($this->_req_data['messenger']) ? $this->_req_data['messenger'] : $messenger;
+        
+		$GRP_ID = ! empty($GRP_ID) ? $GRP_ID : '';
+		$GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : $GRP_ID;
+        
+		//we need messenger and message type.  They should be coming from the event editor. If not here then return error
+		if (empty($message_type) || empty($messenger)) {
+			throw new EE_error(__('Sorry, but we can\'t create new templates because we\'re missing the messenger or message type',
+				'event_espresso'));
+		}
+        
+		//we need the GRP_ID for the template being used as the base for the new template
+		if (empty($GRP_ID)) {
+			throw new EE_Error(__('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    $GRP_ID           GRP_ID for the related message template group this new template will be based
+	 *                                 off of.
+	 */
+	public function add_message_template($message_type, $messenger, $GRP_ID)
+	{
+		$this->_add_message_template($message_type, $messenger, $GRP_ID);
+	}
+    
+    
+	/**
+	 * _edit_message_template
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	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;
+        
+		$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)) {
+			$action = 'insert_message_template';
+			//$button_both = false;
+			//$button_text = array( __( 'Save','event_espresso') );
+			//$button_actions = array('something_different');
+			//$referrer = false;
+			$edit_message_template_form_url = add_query_arg(
+				array('action' => $action, 'noheader' => true),
+				EE_MSG_ADMIN_URL
+			);
+		} else {
+			$action = 'update_message_template';
+			//$button_both = true;
+			//$button_text = array();
+			//$button_actions = array();
+			//$referrer = $this->_admin_base_url;
+			$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(
+			__('(%s %s)', 'event_espresso'),
+			$c_config[$context]['label'],
+			ucwords($c_label['label'])
+		);
+        
+		$title = sprintf(
+			__(' %s %s Template %s', 'event_espresso'),
+			ucwords($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          = __('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'] : '';
+							$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, $v_fields)
-                                                                            &&
-                                                                            (
-                                                                                is_array($validators[$extra_field])
-                                                                                && isset($validators[$extra_field]['msg'])
-                                                                            )
-                                ? 'validate-error ' . $css_class
-                                : $css_class;
+							$template_form_fields[$field_id]['css_class'] = ! empty($v_fields)
+																			&& in_array($extra_field, $v_fields)
+																			&&
+																			(
+																				is_array($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[$extra_field])
-                                ? stripslashes(html_entity_decode($content[$extra_field], ENT_QUOTES, "UTF-8"))
-                                : '';
+							$template_form_fields[$field_id]['value'] = ! empty($message_templates) && isset($content[$extra_field])
+								? stripslashes(html_entity_decode($content[$extra_field], ENT_QUOTES, "UTF-8"))
+								: '';
                             
-                            //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'];
+							//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';
+							$template_form_fields[$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
-                            );
+							//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'] = stripslashes(
-                                    html_entity_decode($template_form_fields[$field_id]['value'], ENT_QUOTES, "UTF-8")
-                                );
+							if (isset($extra_array['input']) && $extra_array['input'] == 'wp_editor') {
+								//we want to decode the entities
+								$template_form_fields[$field_id]['value'] = stripslashes(
+									html_entity_decode($template_form_fields[$field_id]['value'], ENT_QUOTES, "UTF-8")
+								);
                                 
-                            }/**/
-                        }
-                        $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[' . $reference_field . '][MTP_ID]',
-                            'label'      => null,
-                            'input'      => 'hidden',
-                            'type'       => 'int',
-                            'required'   => false,
-                            'validation' => false,
-                            'value'      => ! empty($message_templates) ? $message_template->ID() : '',
-                            'css_class'  => '',
-                            'format'     => '%d',
-                            'db-col'     => 'MTP_ID'
-                        );
+						$template_form_fields[$templatefield_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')
-                        : '';
+						$template_form_fields[$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'];
+					//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, $v_fields)
-                                                                    && isset($validators[$template_field]['msg'])
-                        ? 'validate-error ' . $css_class
-                        : $css_class;
+					$template_form_fields[$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, $v_fields)
+																	&& isset($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
-                    );
-                }
+					//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.
+				//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]',
-                    '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'
-                );
+				//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'
-                );
+				$template_form_fields[$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'
-            );
+			//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-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-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'
-            );
+			$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'      => __('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-global'] = array(
+				'name'       => 'MTP_is_global',
+				'label'      => __('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'      => __('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-override'] = array(
+				'name'       => 'MTP_is_override',
+				'label'      => __('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'      => __('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-is-active'] = array(
+				'name'       => 'MTP_is_active',
+				'label'      => __('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'      => __('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-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'      => __('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-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')
-            );
+			$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']) {
-                $sidebar_form_fields['ee-msg-template-switch'] = array(
-                    'name'  => 'template_switch',
-                    'input' => 'hidden',
-                    'type'  => 'int',
-                    'value' => 1
-                );
-            }
+			if (isset($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);
+			$template_fields = $this->_generate_admin_form_fields($template_form_fields);
+			$sidebar_fields  = $this->_generate_admin_form_fields($sidebar_form_fields);
             
             
-        } //end if ( !empty($template_field_structure) )
+		} //end if ( !empty($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,
-                'action'       => 'preview_message'
-            ),
-            $this->_admin_base_url
-        );
-        $preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">' . __('Preview',
-                'event_espresso') . '</a>';
-        
-        
-        //setup context switcher
-        $context_switcher_args = array(
-            'page'    => 'espresso_messages',
-            'action'  => 'edit_message_template',
-            'id'      => $GRP_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_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;
-    }
-    
-    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
-     *
-     */
-    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(__('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);
+		//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,
+				'action'       => 'preview_message'
+			),
+			$this->_admin_base_url
+		);
+		$preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">' . __('Preview',
+				'event_espresso') . '</a>';
+        
+        
+		//setup context switcher
+		$context_switcher_args = array(
+			'page'    => 'espresso_messages',
+			'action'  => 'edit_message_template',
+			'id'      => $GRP_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_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;
+	}
+    
+	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
+	 *
+	 */
+	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(__('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();
+			$message_template_group->set_template_pack_name($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();
+			$query_args = $this->_reset_to_default_template();
             
-            if (empty($query_args['id'])) {
-                EE_Error::add_error(
-                    __(
-                        '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 = $message_template_group->messenger_obj()->get_supports_labels();
-                EE_Error::add_success(
-                    sprintf(
-                        __(
-                            'This message template has been successfully switched to use the %1$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;
-                $this->_template_args['success']              = true;
-            }
+			if (empty($query_args['id'])) {
+				EE_Error::add_error(
+					__(
+						'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 = $message_template_group->messenger_obj()->get_supports_labels();
+				EE_Error::add_success(
+					sprintf(
+						__(
+							'This message template has been successfully switched to use the %1$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->_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
-     */
-    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(
-                __(
-                    '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) {
+		}
+	}
+    
+    
+	/**
+	 * 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
+	 */
+	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(
+				__(
+					'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( $GRP_ID );
+			//let's first determine if the incoming template is a global template,
+			// if it isn't then we need to get the global template matching messenger and message type.
+			//$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);
+			//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'],
-                    $GRP_ID,
-                    true
-                );
-            }
+			if ($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 ( ! $success) {
-            EE_Error::add_error(
-                __('Something went wrong with deleting existing templates. Unable to reset to default',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        
-        //all good, let's add a success message!
-        if ($success && ! empty($templates)) {
-            $templates = $templates[0]; //the info for the template we generated is the first element in the returned array.
-            EE_Error::overwrite_success();
-            EE_Error::add_success(__('Templates have been reset to defaults.', 'event_espresso'));
-        }
-        
-        
-        $query_args = array(
-            'id'      => isset($templates['GRP_ID']) ? $templates['GRP_ID'] : null,
-            'context' => isset($templates['MTP_context']) ? $templates['MTP_context'] : null,
-            'action'  => isset($templates['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);
+		}
+        
+		//any error messages?
+		if ( ! $success) {
+			EE_Error::add_error(
+				__('Something went wrong with deleting existing templates. Unable to reset to default',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+        
+		//all good, let's add a success message!
+		if ($success && ! empty($templates)) {
+			$templates = $templates[0]; //the info for the template we generated is the first element in the returned array.
+			EE_Error::overwrite_success();
+			EE_Error::add_success(__('Templates have been reset to defaults.', 'event_espresso'));
+		}
+        
+        
+		$query_args = array(
+			'id'      => isset($templates['GRP_ID']) ? $templates['GRP_ID'] : null,
+			'context' => isset($templates['MTP_context']) ? $templates['MTP_context'] : null,
+			'action'  => isset($templates['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 $send if TRUE then we are doing an actual TEST send with the results of the preview.
-     *
-     * @return string
-     */
-    public function _preview_message($send = false)
-    {
-        //first make sure we've got the necessary parameters
-        if (
-        ! isset(
-            $this->_req_data['message_type'],
-            $this->_req_data['messenger'],
-            $this->_req_data['messenger'],
-            $this->_req_data['GRP_ID']
-        )
-        ) {
-            EE_Error::add_error(
-                __('Missing necessary parameters for displaying preview', 'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        
-        EE_Registry::instance()->REQ->set('GRP_ID', $this->_req_data['GRP_ID']);
-        
-        
-        //get the preview!
-        $preview = EED_Messages::preview_message($this->_req_data['message_type'], $this->_req_data['context'],
-            $this->_req_data['messenger'], $send);
-        
-        if ($send) {
-            return $preview;
-        }
-        
-        //let's add a button to go back to the edit view
-        $query_args             = array(
-            'id'      => $this->_req_data['GRP_ID'],
-            'context' => $this->_req_data['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">' . __('Go Back to Edit',
-                'event_espresso') . '</a>';
-        $message_types          = $this->get_installed_message_types();
-        $active_messenger       = $this->_message_resource_manager->get_active_messenger($this->_req_data['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(
-            __('Viewing Preview for %s %s Message Template', 'event_espresso'),
-            $active_messenger_label,
-            ucwords($message_types[$this->_req_data['message_type']]->label['singular'])
-        );
-        //setup display of preview.
-        $this->_admin_page_title                    = $preview_title;
-        $this->_template_args['admin_page_content'] = $preview_button . '<br />' . stripslashes($preview);
-        $this->_template_args['data']['force_json'] = true;
-        
-        return '';
-    }
-    
-    
-    /**
-     * 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()
-    {
-        $this->display_admin_page_with_no_sidebar();
-    }
-    
-    
-    /**
-     * registers metaboxes that should show up on the "edit_message_template" page
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _register_edit_meta_boxes()
-    {
-        add_meta_box('mtp_valid_shortcodes', __('Valid Shortcodes', 'event_espresso'),
-            array($this, 'shortcode_meta_box'), $this->_current_screen->id, 'side', 'default');
-        add_meta_box('mtp_extra_actions', __('Extra Actions', 'event_espresso'), array($this, 'extra_actions_meta_box'),
-            $this->_current_screen->id, 'side', 'high');
-        add_meta_box('mtp_templates', __('Template Styles', 'event_espresso'), array($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
-     */
-    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()]
-                )
-            ) {
-                //not supported
-                continue;
-            }
+			return null;
+		}
+	}
+    
+    
+	/**
+	 * Retrieve and set the message preview for display.
+	 *
+	 * @param bool $send if TRUE then we are doing an actual TEST send with the results of the preview.
+	 *
+	 * @return string
+	 */
+	public function _preview_message($send = false)
+	{
+		//first make sure we've got the necessary parameters
+		if (
+		! isset(
+			$this->_req_data['message_type'],
+			$this->_req_data['messenger'],
+			$this->_req_data['messenger'],
+			$this->_req_data['GRP_ID']
+		)
+		) {
+			EE_Error::add_error(
+				__('Missing necessary parameters for displaying preview', 'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+        
+		EE_Registry::instance()->REQ->set('GRP_ID', $this->_req_data['GRP_ID']);
+        
+        
+		//get the preview!
+		$preview = EED_Messages::preview_message($this->_req_data['message_type'], $this->_req_data['context'],
+			$this->_req_data['messenger'], $send);
+        
+		if ($send) {
+			return $preview;
+		}
+        
+		//let's add a button to go back to the edit view
+		$query_args             = array(
+			'id'      => $this->_req_data['GRP_ID'],
+			'context' => $this->_req_data['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">' . __('Go Back to Edit',
+				'event_espresso') . '</a>';
+		$message_types          = $this->get_installed_message_types();
+		$active_messenger       = $this->_message_resource_manager->get_active_messenger($this->_req_data['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(
+			__('Viewing Preview for %s %s Message Template', 'event_espresso'),
+			$active_messenger_label,
+			ucwords($message_types[$this->_req_data['message_type']]->label['singular'])
+		);
+		//setup display of preview.
+		$this->_admin_page_title                    = $preview_title;
+		$this->_template_args['admin_page_content'] = $preview_button . '<br />' . stripslashes($preview);
+		$this->_template_args['data']['force_json'] = true;
+        
+		return '';
+	}
+    
+    
+	/**
+	 * 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()
+	{
+		$this->display_admin_page_with_no_sidebar();
+	}
+    
+    
+	/**
+	 * registers metaboxes that should show up on the "edit_message_template" page
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _register_edit_meta_boxes()
+	{
+		add_meta_box('mtp_valid_shortcodes', __('Valid Shortcodes', 'event_espresso'),
+			array($this, 'shortcode_meta_box'), $this->_current_screen->id, 'side', 'default');
+		add_meta_box('mtp_extra_actions', __('Extra Actions', 'event_espresso'), array($this, 'extra_actions_meta_box'),
+			$this->_current_screen->id, 'side', 'high');
+		add_meta_box('mtp_templates', __('Template Styles', 'event_espresso'), array($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
+	 */
+	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()]
+				)
+			) {
+				//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' => __('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;
+			$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' => __('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;
+				// 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 .= __('Test Send', 'event_espresso');
-            $test_settings_html .= '" /><div style="clear:both"></div>';
-        }
-        
-        //and button
-        $test_settings_html .= '<p>' . __('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 $linked_input_id The css id of the input that the shortcodes get added to.
-     *
-     * @return string
-     */
-    protected function _get_shortcode_selector($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
-     */
-    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>' . __('There are no valid shortcodes available', 'event_espresso') . '</p>';
-            echo $content;
-        } else {
-            //$alt = 0;
-            ?>
+				$template_form_fields[$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 .= __('Test Send', 'event_espresso');
+			$test_settings_html .= '" /><div style="clear:both"></div>';
+		}
+        
+		//and button
+		$test_settings_html .= '<p>' . __('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 $linked_input_id The css id of the input that the shortcodes get added to.
+	 *
+	 * @return string
+	 */
+	protected function _get_shortcode_selector($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
+	 */
+	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>' . __('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>
             <p class="small-text"><?php printf(__('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>
+					'event_espresso'), '<span class="dashicons dashicons-menu"></span>'); ?></p>
             <?php
-        }
-        
-        
-    }
-    
-    
-    /**
-     * used to set the $_shortcodes property for when its needed elsewhere.
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_shortcodes()
-    {
-        
-        //no need to run this if the property is already set
-        if ( ! empty($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 $merged Whether to merge all the shortcodes into one list of unique shortcodes
-     *
-     * @return array          Shortcodes indexed by fieldname and the an array of shortcode/label pairs OR if merged is
-     *                        true just an array of shortcode/label pairs.
-     */
-    protected function _get_shortcodes($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, $merged) : array();
-    }
-    
-    
-    /**
-     * This sets the _message_template property (containing the called message_template object)
-     *
-     * @access protected
-     * @return  void
-     */
-    protected function _set_message_template_group()
-    {
-        
-        if ( ! empty($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.
-     *
-     */
-    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 $_shortcodes property for when its needed elsewhere.
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_shortcodes()
+	{
+        
+		//no need to run this if the property is already set
+		if ( ! empty($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 $merged Whether to merge all the shortcodes into one list of unique shortcodes
+	 *
+	 * @return array          Shortcodes indexed by fieldname and the an array of shortcode/label pairs OR if merged is
+	 *                        true just an array of shortcode/label pairs.
+	 */
+	protected function _get_shortcodes($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, $merged) : array();
+	}
+    
+    
+	/**
+	 * This sets the _message_template property (containing the called message_template object)
+	 *
+	 * @access protected
+	 * @return  void
+	 */
+	protected function _set_message_template_group()
+	{
+        
+		if ( ! empty($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.
+	 *
+	 */
+	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>
@@ -2236,1584 +2236,1584 @@ 
             <?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;
-            }
-        } /*else {
+		$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;
+			}
+		} /*else {
 			$this->_req_data['MTP_template_fields'][$index]['content'] = $this->_req_data['MTP_template_fields'][$index]['content'];
 		}*/
         
         
-        $set_column_values = array(
-            'MTP_ID'             => absint($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();
+		$set_column_values = array(
+			'MTP_ID'             => absint($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(
-                    __('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__
-                );
-                $success = 0;
+			//run update for each template field in displayed context
+			if ( ! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
+				EE_Error::add_error(
+					__('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!
-                $validates = $MTPG->validate($this->_req_data['MTP_template_fields'], $context_slug, $messenger_slug,
-                    $message_type_slug);
+			} else {
+				//first validate all fields!
+				$validates = $MTPG->validate($this->_req_data['MTP_template_fields'], $context_slug, $messenger_slug,
+					$message_type_slug);
                 
-                //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);
+				//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;
+					$success = 0;
                     
-                    //setup notices
-                    foreach ($validates as $field => $error) {
-                        if (isset($error['msg'])) {
-                            EE_Error::add_error($error['msg'], __FILE__, __FUNCTION__, __LINE__);
-                        }
-                    }
+					//setup notices
+					foreach ($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);
+				} 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']
-                        );
+						$where_cols_n_values = array(
+							'MTP_ID' => $this->_req_data['MTP_template_fields'][$template_field]['MTP_ID']
+						);
                         
-                        $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(
-                                        __('%s field was NOT updated for some reason', 'event_espresso'),
-                                        $template_field
-                                    ),
-                                    __FILE__, __FUNCTION__, __LINE__
-                                );
-                            } else {
-                                $success = 1;
-                            }
-                        }
-                        $action_desc = 'updated';
-                    }
+						$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(
+										__('%s field was NOT updated for some reason', 'event_espresso'),
+										$template_field
+									),
+									__FILE__, __FUNCTION__, __LINE__
+								);
+							} 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']
-                            : ''
-                    );
+					//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));
+					$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(
-                                __('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'])
-                            ? $this->_req_data['MTP_template_pack']
-                            : 'default';
+					if ($updated === false) {
+						EE_Error::add_error(
+							sprintf(
+								__('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';
+						$template_variation = ! empty($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;
-                    }
-                }
-            }
+						$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(__('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'));
-            }
+		}
+        
+		//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(__('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 $message_type message type being tested
-     *
-     */
-    protected function _do_test_send($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']);
-        }
-        
-        $success = $this->_preview_message(true);
-        
-        if ($success) {
-            EE_Error::add_success(__('Test message sent', 'event_espresso'));
-        } else {
-            EE_Error::add_error(__('The test message was not sent', 'event_espresso'), __FILE__, __FUNCTION__,
-                __LINE__);
-        }
-    }
-    
-    
-    /**
-     * _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  $all   whether this is going to trash/restore all contexts within a template group (TRUE) OR just
-     *                        an individual context (FALSE).
-     *
-     * @return void
-     */
-    protected function _trash_or_restore_message_template($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;
+			$this->_return_json();
+		}
+        
+        
+		//was a test send triggered?
+		if (isset($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 $message_type message type being tested
+	 *
+	 */
+	protected function _do_test_send($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']);
+		}
+        
+		$success = $this->_preview_message(true);
+        
+		if ($success) {
+			EE_Error::add_success(__('Test message sent', 'event_espresso'));
+		} else {
+			EE_Error::add_error(__('The test message was not sent', 'event_espresso'), __FILE__, __FUNCTION__,
+				__LINE__);
+		}
+	}
+    
+    
+	/**
+	 * _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  $all   whether this is going to trash/restore all contexts within a template group (TRUE) OR just
+	 *                        an individual context (FALSE).
+	 *
+	 * @return void
+	 */
+	protected function _trash_or_restore_message_template($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 {
-                    $success = 0;
-                }
-            }
+				//cycle through checkboxes
+				while (list($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 ? __('moved to the trash', 'event_espresso') : __('restored', 'event_espresso');
+		$action_desc = $trash ? __('moved to the trash', 'event_espresso') : __('restored', 'event_espresso');
         
-        $action_desc = ! empty($this->_req_data['template_switch']) ? __('switched') : $action_desc;
+		$action_desc = ! empty($this->_req_data['template_switch']) ? __('switched') : $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 = $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;
+		$item_desc = ! empty($this->_req_data['template_switch']) ? _n('template', 'templates', $success,
+			'event_espresso') : $item_desc;
         
-        $this->_redirect_after_action($success, $item_desc, $action_desc, array());
+		$this->_redirect_after_action($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
-     */
-    protected function _delete_message_template()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+	/**
+	 * [_delete_message_template]
+	 * NOTE: this handles not only the deletion of the groups but also all the templates belonging to that group.
+	 * @return void
+	 */
+	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;
+		//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 $include_group whether to delete the Message Template Group as well.
-     *
-     * @return bool        boolean to indicate the success of the deletes or not.
-     */
-    private function _delete_mtp_permanently($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;" >' . __('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
-     */
-    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 $_m_mt_settings property for when needed (used on the Messages settings page)
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_m_mt_settings()
-    {
-        //first if this is already set then lets get out no need to regenerate data.
-        if ( ! empty($this->_m_mt_settings)) {
-            return;
-        }
-        
-        //$selected_messenger = isset( $this->_req_data['selected_messenger'] ) ? $this->_req_data['selected_messenger'] : 'email';
-        
-        //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' => __('Modify this Messenger', 'event_espresso'),
-                'slug'  => $messenger->name,
-                'obj'   => $messenger
-            );
+			//cycle through bulk action checkboxes
+			while (list($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 $include_group whether to delete the Message Template Group as well.
+	 *
+	 * @return bool        boolean to indicate the success of the deletes or not.
+	 */
+	private function _delete_mtp_permanently($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;" >' . __('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
+	 */
+	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 $_m_mt_settings property for when needed (used on the Messages settings page)
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_m_mt_settings()
+	{
+		//first if this is already set then lets get out no need to regenerate data.
+		if ( ! empty($this->_m_mt_settings)) {
+			return;
+		}
+        
+		//$selected_messenger = isset( $this->_req_data['selected_messenger'] ) ? $this->_req_data['selected_messenger'] : 'email';
+        
+		//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' => __('Modify this Messenger', 'event_espresso'),
+				'slug'  => $messenger->name,
+				'obj'   => $messenger
+			);
             
             
-            $message_types_for_messenger = $messenger->get_valid_message_types();
+			$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, $message_types_for_messenger)) {
-                    continue;
-                }
+			foreach ($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)) {
+					continue;
+				}
                 
-                $a_or_i = $this->_message_resource_manager->is_message_type_active_for_messenger($messenger->name,
-                    $message_type->name) ? 'active' : 'inactive';
+				$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'
-                        ? __('Drag this message type to the Inactive window to deactivate', 'event_espresso')
-                        : __('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' ? true : false,
-                    'obj'      => $message_type
-                );
-            }
-        }
-    }
-    
-    
-    /**
-     * This just prepares the content for the message type settings
-     *
-     * @param  object  $message_type The message type object
-     * @param  object  $messenger    The messenger object
-     * @param  boolean $active       Whether the message type is active or not
-     *
-     * @return string                html output for the content
-     */
-    protected function _message_type_settings_content($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) {
+				$this->_m_mt_settings['message_type_tabs'][$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'
+						? __('Drag this message type to the Inactive window to deactivate', 'event_espresso')
+						: __('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' ? true : false,
+					'obj'      => $message_type
+				);
+			}
+		}
+	}
+    
+    
+	/**
+	 * This just prepares the content for the message type settings
+	 *
+	 * @param  object  $message_type The message type object
+	 * @param  object  $messenger    The messenger object
+	 * @param  boolean $active       Whether the message type is active or not
+	 *
+	 * @return string                html output for the content
+	 */
+	protected function _message_type_settings_content($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);
+			$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'     => $fldprops['format']
-                );
-            }
+			foreach ($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
-     */
-    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 ? true : false;
-                $active_mt_tabs                         = isset($this->_m_mt_settings['message_type_tabs'][$messenger]['active'])
-                    ? $this->_m_mt_settings['message_type_tabs'][$messenger]['active']
-                    : '';
-                $m_boxes[$messenger . '_a_box']         = sprintf(
-                    __('%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']         = __('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',
-                $callback_args
-            );
-        }
-        
-        //register metabox for global messages settings but only when on the main site.  On single site installs this will
-        //always result in the metabox showing, on multisite installs the metabox will only show on the main site.
-        if (is_main_site()) {
-            add_meta_box(
-                'espresso_global_message_settings',
-                __('Global Message Settings', 'event_espresso'),
-                array($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
-     */
-    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
-     */
-    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 
+			$settings_template_args['template_form_fields'] = ! empty($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
+	 */
+	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 ? true : false;
+				$active_mt_tabs                         = isset($this->_m_mt_settings['message_type_tabs'][$messenger]['active'])
+					? $this->_m_mt_settings['message_type_tabs'][$messenger]['active']
+					: '';
+				$m_boxes[$messenger . '_a_box']         = sprintf(
+					__('%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']         = __('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',
+				$callback_args
+			);
+		}
+        
+		//register metabox for global messages settings but only when on the main site.  On single site installs this will
+		//always result in the metabox showing, on multisite installs the metabox will only show on the main site.
+		if (is_main_site()) {
+			add_meta_box(
+				'espresso_global_message_settings',
+				__('Global Message Settings', 'event_espresso'),
+				array($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
+	 */
+	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
+	 */
+	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
-     */
-    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}($value);
-                    } else if (
-                        property_exists($network_config, $property)
-                        && $network_config->{$property} !== $value
-                    ) {
-                        $network_config->{$property} = $value;
-                    } else if (
-                        property_exists($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 $tab_array This is an array of message type tab details used to generate the tabs
-     *
-     * @return string            html formatted tabs
-     */
-    protected function _get_mt_tabs($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
-     */
-    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)) {
+							)
+						),
+						'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
+	 */
+	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}($value);
+					} else if (
+						property_exists($network_config, $property)
+						&& $network_config->{$property} !== $value
+					) {
+						$network_config->{$property} = $value;
+					} else if (
+						property_exists($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 $tab_array This is an array of message type tab details used to generate the tabs
+	 *
+	 * @return string            html formatted tabs
+	 */
+	protected function _get_mt_tabs($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
+	 */
+	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();
+			$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'     => $fldprops['format']
-                );
-            }
+			foreach ($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
-     */
-    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(
-                __('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(
-                __(
-                    '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(
-                    __('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
-     *
-     */
-    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(
-                __('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(
-                __('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(
-                __('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(
-                    __('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 $messenger_name The name of the messenger being activated
-     *
-     * @return bool
-     */
-    protected function _activate_messenger($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
-        $this->_message_resource_manager->activate_messenger($messenger_name, $message_types_to_activate);
-        
-        //set response_data for reload
-        foreach ($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 $messenger_name The name of the messenger being activated
-     *
-     * @return bool
-     */
-    protected function _deactivate_messenger($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 $message_type_name The name of the message type being activated for the messenger
-     *
-     * @return bool
-     */
-    protected function _activate_message_type_for_messenger($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
-        $this->_message_resource_manager->activate_messenger($messenger_name, $message_type_name);
-        
-        //set response for load
-        if ($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 $message_type_name The name of the message type being deactivated for the messenger
-     *
-     * @return bool
-     */
-    protected function _deactivate_message_type_for_messenger($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 EE_Error
-     */
-    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(
-                __('The messenger being activated is not a valid messenger', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
+			$settings_template_args['template_form_fields'] = ! empty($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
+	 */
+	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(
+				__('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(
+				__(
+					'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(
+					__('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
+	 *
+	 */
+	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(
+				__('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(
+				__('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(
+				__('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(
+					__('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 $messenger_name The name of the messenger being activated
+	 *
+	 * @return bool
+	 */
+	protected function _activate_messenger($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
+		$this->_message_resource_manager->activate_messenger($messenger_name, $message_types_to_activate);
+        
+		//set response_data for reload
+		foreach ($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 $messenger_name The name of the messenger being activated
+	 *
+	 * @return bool
+	 */
+	protected function _deactivate_messenger($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 $message_type_name The name of the message type being activated for the messenger
+	 *
+	 * @return bool
+	 */
+	protected function _activate_message_type_for_messenger($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
+		$this->_message_resource_manager->activate_messenger($messenger_name, $message_type_name);
+        
+		//set response for load
+		if ($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 $message_type_name The name of the message type being deactivated for the messenger
+	 *
+	 * @return bool
+	 */
+	protected function _deactivate_message_type_for_messenger($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 EE_Error
+	 */
+	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(
+				__('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(
-                        __('%s message type has been successfully activated with the %s messenger', 'event_espresso'),
-                        ucwords($message_type->label['singular']),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
+			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(
+						__('%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(__('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(
-                        __('%s messenger has been successfully activated', 'event_espresso'),
-                        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(__('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(
+						__('%s messenger has been successfully activated', 'event_espresso'),
+						ucwords($messenger->label['singular'])
+					)
+				);
+			}
             
-            return true;
+			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 ( ! $messenger->get_default_message_types()) {
-                //messenger doesn't have any default message types so still a success.
-                EE_Error::add_success(
-                    sprintf(
-                        __('%s messenger was successfully activated.', 'event_espresso'),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
+			//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 ( ! $messenger->get_default_message_types()) {
+				//messenger doesn't have any default message types so still a success.
+				EE_Error::add_success(
+					sprintf(
+						__('%s messenger was successfully activated.', 'event_espresso'),
+						ucwords($messenger->label['singular'])
+					)
+				);
                 
-                return true;
-            } else {
-                EE_Error::add_error(
-                    $message_type instanceof EE_message_type
-                        ? sprintf(
-                        __('%s message type was not successfully activated with the %s messenger', 'event_espresso'),
-                        ucwords($message_type->label['singular']),
-                        ucwords($messenger->label['singular'])
-                    )
-                        : sprintf(
-                        __('%s messenger was not successfully activated', 'event_espresso'),
-                        ucwords($messenger->label['singular'])
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
+				return true;
+			} else {
+				EE_Error::add_error(
+					$message_type instanceof EE_message_type
+						? sprintf(
+						__('%s message type was not successfully activated with the %s messenger', 'event_espresso'),
+						ucwords($message_type->label['singular']),
+						ucwords($messenger->label['singular'])
+					)
+						: sprintf(
+						__('%s messenger was not successfully activated', 'event_espresso'),
+						ucwords($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
-     */
-    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(
-                __('The messenger being deactivated is not a valid messenger', 'event_espresso'),
-                __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
+	 */
+	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(
+				__('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 = $message_type->name;
-            EE_Error::add_success(
-                sprintf(
-                    __('%s message type has been successfully deactivated for the %s messenger.', 'event_espresso'),
-                    ucwords($message_type->label['singular']),
-                    ucwords($messenger->label['singular'])
-                )
-            );
-        } else {
-            $message_type_name = '';
-            EE_Error::add_success(
-                sprintf(
-                    __('%s messenger has been successfully deactivated.', 'event_espresso'),
-                    ucwords($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 = $message_type_name == 'invoice'
-                    ? __('Deactivating the invoice message type also automatically deactivates the invoice payment method. In order for invoices to be generated the invoice message type must be active. If you completed this action by mistake, simply reactivate the invoice message type and then visit the payment methods admin page to reactivate the invoice payment method.',
-                        'event_espresso')
-                    : __('Deactivating the html messenger also automatically deactivates the invoice payment method.  In order for invoices to be generated the html messenger must be be active.  If you completed this action by mistake, simply reactivate the html messenger, then visit the payment methods admin page to reactivate the invoice payment method.',
-                        'event_espresso');
-                EE_Error::add_attention($msg);
-            }
-        }
-        
-        return true;
-    }
-    
-    
-    /**
-     * handles updating a message type form on messenger activation IF the message type has settings fields. (via ajax)
-     */
-    public function update_mt_form()
-    {
-        if ( ! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
-            EE_Error::add_error(__('Require message type or messenger to send an updated form'), __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(__('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') {
-            $settings  = $this->_req_data['messenger_settings']; //this should be an array.
-            $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, $settings);
-        } else if ($this->_req_data['type'] == 'message_type') {
-            $settings     = $this->_req_data['message_type_settings'];
-            $messenger    = $settings['messenger'];
-            $message_type = $settings['message_type'];
+			return false;
+		}
+        
+		if ($message_type instanceof EE_message_type) {
+			$message_type_name = $message_type->name;
+			EE_Error::add_success(
+				sprintf(
+					__('%s message type has been successfully deactivated for the %s messenger.', 'event_espresso'),
+					ucwords($message_type->label['singular']),
+					ucwords($messenger->label['singular'])
+				)
+			);
+		} else {
+			$message_type_name = '';
+			EE_Error::add_success(
+				sprintf(
+					__('%s messenger has been successfully deactivated.', 'event_espresso'),
+					ucwords($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 = $message_type_name == 'invoice'
+					? __('Deactivating the invoice message type also automatically deactivates the invoice payment method. In order for invoices to be generated the invoice message type must be active. If you completed this action by mistake, simply reactivate the invoice message type and then visit the payment methods admin page to reactivate the invoice payment method.',
+						'event_espresso')
+					: __('Deactivating the html messenger also automatically deactivates the invoice payment method.  In order for invoices to be generated the html messenger must be be active.  If you completed this action by mistake, simply reactivate the html messenger, then visit the payment methods admin page to reactivate the invoice payment method.',
+						'event_espresso');
+				EE_Error::add_attention($msg);
+			}
+		}
+        
+		return true;
+	}
+    
+    
+	/**
+	 * handles updating a message type form on messenger activation IF the message type has settings fields. (via ajax)
+	 */
+	public function update_mt_form()
+	{
+		if ( ! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
+			EE_Error::add_error(__('Require message type or messenger to send an updated form'), __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(__('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') {
+			$settings  = $this->_req_data['messenger_settings']; //this should be an array.
+			$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, $settings);
+		} else if ($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] = $value;
-                        break;
-                }
-            }
+			foreach ($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(__('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
-     */
-    protected function _generate_now()
-    {
-        $msg_ids = $this->_get_msg_ids_from_request();
-        EED_Messages::generate_now($msg_ids);
-        $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
-     *
-     */
-    protected function _generate_and_send_now()
-    {
-        $this->_generate_now();
-        $this->_send_now();
-        $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
-     */
-    protected function _queue_for_resending()
-    {
-        $msg_ids = $this->_get_msg_ids_from_request();
-        EED_Messages::queue_for_resending($msg_ids);
-        $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
-     */
-    protected function _send_now()
-    {
-        $msg_ids = $this->_get_msg_ids_from_request();
-        EED_Messages::send_now($msg_ids);
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-    
-    
-    /**
-     * Deletes EE_messages for IDs in the request.
-     *
-     * @since 4.9.0
-     */
-    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) {
-            $this->_redirect_after_action(
-                true,
-                _n('message', 'messages', $deleted_count, 'event_espresso'),
-                __('deleted', 'event_espresso')
-            );
-        } else {
-            EE_Error::add_error(
-                _n('The message was not deleted.', 'The messages were not deleted', count($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']);
-    }
+			$this->_message_resource_manager->add_settings_for_message_type($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(__('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
+	 */
+	protected function _generate_now()
+	{
+		$msg_ids = $this->_get_msg_ids_from_request();
+		EED_Messages::generate_now($msg_ids);
+		$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
+	 *
+	 */
+	protected function _generate_and_send_now()
+	{
+		$this->_generate_now();
+		$this->_send_now();
+		$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
+	 */
+	protected function _queue_for_resending()
+	{
+		$msg_ids = $this->_get_msg_ids_from_request();
+		EED_Messages::queue_for_resending($msg_ids);
+		$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
+	 */
+	protected function _send_now()
+	{
+		$msg_ids = $this->_get_msg_ids_from_request();
+		EED_Messages::send_now($msg_ids);
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+    
+    
+	/**
+	 * Deletes EE_messages for IDs in the request.
+	 *
+	 * @since 4.9.0
+	 */
+	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) {
+			$this->_redirect_after_action(
+				true,
+				_n('message', 'messages', $deleted_count, 'event_espresso'),
+				__('deleted', 'event_espresso')
+			);
+		} else {
+			EE_Error::add_error(
+				_n('The message was not deleted.', 'The messages were not deleted', count($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']);
+	}
     
     
 }

core/helpers/EEH_DTT_Helper.helper.php

Indentation +916 added lines, -916 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('NO direct script access allowed');
+	exit('NO direct script access allowed');
 }
 
 /**
@@ -26,233 +26,233 @@ 
 {
 
 
-    /**
-     * return the timezone set for the WP install
-     *
-     * @return string valid timezone string for PHP DateTimeZone() class
-     */
-    public static function get_timezone()
-    {
-        return EEH_DTT_Helper::get_valid_timezone_string();
-    }
-
-
-    /**
-     * get_valid_timezone_string
-     *    ensures that a valid timezone string is returned
-     *
-     * @access protected
-     * @param string $timezone_string
-     * @return string
-     * @throws \EE_Error
-     */
-    public static function get_valid_timezone_string($timezone_string = '')
-    {
-        // if passed a value, then use that, else get WP option
-        $timezone_string = ! empty($timezone_string) ? $timezone_string : get_option('timezone_string');
-        // value from above exists, use that, else get timezone string from gmt_offset
-        $timezone_string = ! empty($timezone_string) ? $timezone_string : EEH_DTT_Helper::get_timezone_string_from_gmt_offset();
-        EEH_DTT_Helper::validate_timezone($timezone_string);
-        return $timezone_string;
-    }
-
-
-    /**
-     * This only purpose for this static method is to validate that the incoming timezone is a valid php timezone.
-     *
-     * @static
-     * @access public
-     * @param  string $timezone_string Timezone string to check
-     * @param bool    $throw_error
-     * @return bool
-     * @throws \EE_Error
-     */
-    public static function validate_timezone($timezone_string, $throw_error = true)
-    {
-        // easiest way to test a timezone string is just see if it throws an error when you try to create a DateTimeZone object with it
-        try {
-            new DateTimeZone($timezone_string);
-        } catch (Exception $e) {
-            // sometimes we take exception to exceptions
-            if (! $throw_error) {
-                return false;
-            }
-            throw new EE_Error(
-                sprintf(
-                    __('The timezone given (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
-                        'event_espresso'),
-                    $timezone_string,
-                    '<a href="http://www.php.net/manual/en/timezones.php">',
-                    '</a>'
-                )
-            );
-        }
-        return true;
-    }
-
-
-    /**
-     * _create_timezone_object_from_timezone_name
-     *
-     * @access protected
-     * @param string $gmt_offset
-     * @return string
-     */
-    public static function get_timezone_string_from_gmt_offset($gmt_offset = '')
-    {
-        $timezone_string = 'UTC';
-        $gmt_offset      = ! empty($gmt_offset) ? $gmt_offset : get_option('gmt_offset');
-        if ($gmt_offset !== '') {
-            // convert GMT offset to seconds
-            $gmt_offset = $gmt_offset * HOUR_IN_SECONDS;
-            // account for WP offsets that aren't valid UTC
-            $gmt_offset = EEH_DTT_Helper::adjust_invalid_gmt_offsets($gmt_offset);
-            // although we don't know the TZ abbreviation, we know the UTC offset
-            $timezone_string = timezone_name_from_abbr(null, $gmt_offset);
-        }
-        // better have a valid timezone string by now, but if not, sigh... loop thru  the timezone_abbreviations_list()...
-        $timezone_string = $timezone_string !== false
-            ? $timezone_string
-            : EEH_DTT_Helper::get_timezone_string_from_abbreviations_list($gmt_offset);
-        return $timezone_string;
-    }
-
-    /**
-     * Gets the site's GMT offset based on either the timezone string
-     * (in which case teh gmt offset will vary depending on the location's
-     * observance of daylight savings time) or the gmt_offset wp option
-     *
-     * @return int seconds offset
-     */
-    public static function get_site_timezone_gmt_offset()
-    {
-        $timezone_string = get_option('timezone_string');
-        if ($timezone_string) {
-            try {
-                $timezone = new DateTimeZone($timezone_string);
-                return $timezone->getOffset(new DateTime()); //in WordPress DateTime defaults to UTC
-            } catch (Exception $e) {
-            }
-        }
-        $offset = get_option('gmt_offset');
-        return (int)($offset * HOUR_IN_SECONDS);
-    }
-
-
-    /**
-     * _create_timezone_object_from_timezone_name
-     *
-     * @access public
-     * @param int $gmt_offset
-     * @return int
-     */
-    public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
-    {
-        //make sure $gmt_offset is int
-        $gmt_offset = (int)$gmt_offset;
-        switch ($gmt_offset) {
-
-            //			case -30600 :
-            //				$gmt_offset = -28800;
-            //				break;
-
-            case -27000 :
-                $gmt_offset = -25200;
-                break;
-
-            case -23400 :
-                $gmt_offset = -21600;
-                break;
-
-            case -19800 :
-                $gmt_offset = -18000;
-                break;
-
-            case -9000 :
-                $gmt_offset = -7200;
-                break;
-
-            case -5400 :
-                $gmt_offset = -3600;
-                break;
-
-            case -1800 :
-                $gmt_offset = 0;
-                break;
-
-            case 1800 :
-                $gmt_offset = 3600;
-                break;
-
-            case 49500 :
-                $gmt_offset = 50400;
-                break;
-
-        }
-        return $gmt_offset;
-    }
-
-
-    /**
-     * get_timezone_string_from_abbreviations_list
-     *
-     * @access public
-     * @param int $gmt_offset
-     * @return string
-     * @throws \EE_Error
-     */
-    public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0)
-    {
-        $abbreviations = timezone_abbreviations_list();
-        foreach ($abbreviations as $abbreviation) {
-            foreach ($abbreviation as $city) {
-                if ($city['offset'] === $gmt_offset && $city['dst'] === false) {
-                    // check if the timezone is valid but don't throw any errors if it isn't
-                    if (EEH_DTT_Helper::validate_timezone($city['timezone_id'], false)) {
-                        return $city['timezone_id'];
-                    }
-                }
-            }
-        }
-        throw new EE_Error(
-            sprintf(
-                __('The provided GMT offset (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
-                    'event_espresso'),
-                $gmt_offset,
-                '<a href="http://www.php.net/manual/en/timezones.php">',
-                '</a>'
-            )
-        );
-    }
-
-
-    /**
-     * @access public
-     * @param string $timezone_string
-     */
-    public static function timezone_select_input($timezone_string = '')
-    {
-        // get WP date time format
-        $datetime_format = get_option('date_format') . ' ' . get_option('time_format');
-        // if passed a value, then use that, else get WP option
-        $timezone_string = ! empty($timezone_string) ? $timezone_string : get_option('timezone_string');
-        // check if the timezone is valid but don't throw any errors if it isn't
-        $timezone_string = EEH_DTT_Helper::validate_timezone($timezone_string, false);
-        $gmt_offset      = get_option('gmt_offset');
-
-        $check_zone_info = true;
-        if (empty($timezone_string)) {
-            // Create a UTC+- zone if no timezone string exists
-            $check_zone_info = false;
-            if ($gmt_offset > 0) {
-                $timezone_string = 'UTC+' . $gmt_offset;
-            } elseif ($gmt_offset < 0) {
-                $timezone_string = 'UTC' . $gmt_offset;
-            } else {
-                $timezone_string = 'UTC';
-            }
-        }
-        ?>
+	/**
+	 * return the timezone set for the WP install
+	 *
+	 * @return string valid timezone string for PHP DateTimeZone() class
+	 */
+	public static function get_timezone()
+	{
+		return EEH_DTT_Helper::get_valid_timezone_string();
+	}
+
+
+	/**
+	 * get_valid_timezone_string
+	 *    ensures that a valid timezone string is returned
+	 *
+	 * @access protected
+	 * @param string $timezone_string
+	 * @return string
+	 * @throws \EE_Error
+	 */
+	public static function get_valid_timezone_string($timezone_string = '')
+	{
+		// if passed a value, then use that, else get WP option
+		$timezone_string = ! empty($timezone_string) ? $timezone_string : get_option('timezone_string');
+		// value from above exists, use that, else get timezone string from gmt_offset
+		$timezone_string = ! empty($timezone_string) ? $timezone_string : EEH_DTT_Helper::get_timezone_string_from_gmt_offset();
+		EEH_DTT_Helper::validate_timezone($timezone_string);
+		return $timezone_string;
+	}
+
+
+	/**
+	 * This only purpose for this static method is to validate that the incoming timezone is a valid php timezone.
+	 *
+	 * @static
+	 * @access public
+	 * @param  string $timezone_string Timezone string to check
+	 * @param bool    $throw_error
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public static function validate_timezone($timezone_string, $throw_error = true)
+	{
+		// easiest way to test a timezone string is just see if it throws an error when you try to create a DateTimeZone object with it
+		try {
+			new DateTimeZone($timezone_string);
+		} catch (Exception $e) {
+			// sometimes we take exception to exceptions
+			if (! $throw_error) {
+				return false;
+			}
+			throw new EE_Error(
+				sprintf(
+					__('The timezone given (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
+						'event_espresso'),
+					$timezone_string,
+					'<a href="http://www.php.net/manual/en/timezones.php">',
+					'</a>'
+				)
+			);
+		}
+		return true;
+	}
+
+
+	/**
+	 * _create_timezone_object_from_timezone_name
+	 *
+	 * @access protected
+	 * @param string $gmt_offset
+	 * @return string
+	 */
+	public static function get_timezone_string_from_gmt_offset($gmt_offset = '')
+	{
+		$timezone_string = 'UTC';
+		$gmt_offset      = ! empty($gmt_offset) ? $gmt_offset : get_option('gmt_offset');
+		if ($gmt_offset !== '') {
+			// convert GMT offset to seconds
+			$gmt_offset = $gmt_offset * HOUR_IN_SECONDS;
+			// account for WP offsets that aren't valid UTC
+			$gmt_offset = EEH_DTT_Helper::adjust_invalid_gmt_offsets($gmt_offset);
+			// although we don't know the TZ abbreviation, we know the UTC offset
+			$timezone_string = timezone_name_from_abbr(null, $gmt_offset);
+		}
+		// better have a valid timezone string by now, but if not, sigh... loop thru  the timezone_abbreviations_list()...
+		$timezone_string = $timezone_string !== false
+			? $timezone_string
+			: EEH_DTT_Helper::get_timezone_string_from_abbreviations_list($gmt_offset);
+		return $timezone_string;
+	}
+
+	/**
+	 * Gets the site's GMT offset based on either the timezone string
+	 * (in which case teh gmt offset will vary depending on the location's
+	 * observance of daylight savings time) or the gmt_offset wp option
+	 *
+	 * @return int seconds offset
+	 */
+	public static function get_site_timezone_gmt_offset()
+	{
+		$timezone_string = get_option('timezone_string');
+		if ($timezone_string) {
+			try {
+				$timezone = new DateTimeZone($timezone_string);
+				return $timezone->getOffset(new DateTime()); //in WordPress DateTime defaults to UTC
+			} catch (Exception $e) {
+			}
+		}
+		$offset = get_option('gmt_offset');
+		return (int)($offset * HOUR_IN_SECONDS);
+	}
+
+
+	/**
+	 * _create_timezone_object_from_timezone_name
+	 *
+	 * @access public
+	 * @param int $gmt_offset
+	 * @return int
+	 */
+	public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
+	{
+		//make sure $gmt_offset is int
+		$gmt_offset = (int)$gmt_offset;
+		switch ($gmt_offset) {
+
+			//			case -30600 :
+			//				$gmt_offset = -28800;
+			//				break;
+
+			case -27000 :
+				$gmt_offset = -25200;
+				break;
+
+			case -23400 :
+				$gmt_offset = -21600;
+				break;
+
+			case -19800 :
+				$gmt_offset = -18000;
+				break;
+
+			case -9000 :
+				$gmt_offset = -7200;
+				break;
+
+			case -5400 :
+				$gmt_offset = -3600;
+				break;
+
+			case -1800 :
+				$gmt_offset = 0;
+				break;
+
+			case 1800 :
+				$gmt_offset = 3600;
+				break;
+
+			case 49500 :
+				$gmt_offset = 50400;
+				break;
+
+		}
+		return $gmt_offset;
+	}
+
+
+	/**
+	 * get_timezone_string_from_abbreviations_list
+	 *
+	 * @access public
+	 * @param int $gmt_offset
+	 * @return string
+	 * @throws \EE_Error
+	 */
+	public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0)
+	{
+		$abbreviations = timezone_abbreviations_list();
+		foreach ($abbreviations as $abbreviation) {
+			foreach ($abbreviation as $city) {
+				if ($city['offset'] === $gmt_offset && $city['dst'] === false) {
+					// check if the timezone is valid but don't throw any errors if it isn't
+					if (EEH_DTT_Helper::validate_timezone($city['timezone_id'], false)) {
+						return $city['timezone_id'];
+					}
+				}
+			}
+		}
+		throw new EE_Error(
+			sprintf(
+				__('The provided GMT offset (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
+					'event_espresso'),
+				$gmt_offset,
+				'<a href="http://www.php.net/manual/en/timezones.php">',
+				'</a>'
+			)
+		);
+	}
+
+
+	/**
+	 * @access public
+	 * @param string $timezone_string
+	 */
+	public static function timezone_select_input($timezone_string = '')
+	{
+		// get WP date time format
+		$datetime_format = get_option('date_format') . ' ' . get_option('time_format');
+		// if passed a value, then use that, else get WP option
+		$timezone_string = ! empty($timezone_string) ? $timezone_string : get_option('timezone_string');
+		// check if the timezone is valid but don't throw any errors if it isn't
+		$timezone_string = EEH_DTT_Helper::validate_timezone($timezone_string, false);
+		$gmt_offset      = get_option('gmt_offset');
+
+		$check_zone_info = true;
+		if (empty($timezone_string)) {
+			// Create a UTC+- zone if no timezone string exists
+			$check_zone_info = false;
+			if ($gmt_offset > 0) {
+				$timezone_string = 'UTC+' . $gmt_offset;
+			} elseif ($gmt_offset < 0) {
+				$timezone_string = 'UTC' . $gmt_offset;
+			} else {
+				$timezone_string = 'UTC';
+			}
+		}
+		?>
 
         <p>
             <label for="timezone_string"><?php _e('timezone'); ?></label>
@@ -265,13 +265,13 @@ 
 
         <p>
         <span><?php
-            printf(
-                __('%1$sUTC%2$s time is %3$s'),
-                '<abbr title="Coordinated Universal Time">',
-                '</abbr>',
-                '<code>' . date_i18n($datetime_format, false, true) . '</code>'
-            );
-            ?></span>
+			printf(
+				__('%1$sUTC%2$s time is %3$s'),
+				'<abbr title="Coordinated Universal Time">',
+				'</abbr>',
+				'<code>' . date_i18n($datetime_format, false, true) . '</code>'
+			);
+			?></span>
         <?php if (! empty($timezone_string) || ! empty($gmt_offset)) : ?>
         <br/><span><?php printf(__('Local time is %1$s'), '<code>' . date_i18n($datetime_format) . '</code>'); ?></span>
     <?php endif; ?>
@@ -280,693 +280,693 @@ 
         <br/>
         <span>
 					<?php
-                    // Set TZ so localtime works.
-                    date_default_timezone_set($timezone_string);
-                    $now = localtime(time(), true);
-                    if ($now['tm_isdst']) {
-                        _e('This timezone is currently in daylight saving time.');
-                    } else {
-                        _e('This timezone is currently in standard time.');
-                    }
-                    ?>
+					// Set TZ so localtime works.
+					date_default_timezone_set($timezone_string);
+					$now = localtime(time(), true);
+					if ($now['tm_isdst']) {
+						_e('This timezone is currently in daylight saving time.');
+					} else {
+						_e('This timezone is currently in standard time.');
+					}
+					?>
             <br/>
             <?php
-            if (function_exists('timezone_transitions_get')) {
-                $found                   = false;
-                $date_time_zone_selected = new DateTimeZone($timezone_string);
-                $tz_offset               = timezone_offset_get($date_time_zone_selected, date_create());
-                $right_now               = time();
-                $tr['isdst']             = false;
-                foreach (timezone_transitions_get($date_time_zone_selected) as $tr) {
-                    if ($tr['ts'] > $right_now) {
-                        $found = true;
-                        break;
-                    }
-                }
-
-                if ($found) {
-                    $message = $tr['isdst'] ?
-                        __(' Daylight saving time begins on: %s.') :
-                        __(' Standard time begins  on: %s.');
-                    // Add the difference between the current offset and the new offset to ts to get the correct transition time from date_i18n().
-                    printf($message,
-                        '<code >' . date_i18n($datetime_format, $tr['ts'] + ($tz_offset - $tr['offset'])) . '</code >');
-                } else {
-                    _e('This timezone does not observe daylight saving time.');
-                }
-            }
-            // Set back to UTC.
-            date_default_timezone_set('UTC');
-            ?>
+			if (function_exists('timezone_transitions_get')) {
+				$found                   = false;
+				$date_time_zone_selected = new DateTimeZone($timezone_string);
+				$tz_offset               = timezone_offset_get($date_time_zone_selected, date_create());
+				$right_now               = time();
+				$tr['isdst']             = false;
+				foreach (timezone_transitions_get($date_time_zone_selected) as $tr) {
+					if ($tr['ts'] > $right_now) {
+						$found = true;
+						break;
+					}
+				}
+
+				if ($found) {
+					$message = $tr['isdst'] ?
+						__(' Daylight saving time begins on: %s.') :
+						__(' Standard time begins  on: %s.');
+					// Add the difference between the current offset and the new offset to ts to get the correct transition time from date_i18n().
+					printf($message,
+						'<code >' . date_i18n($datetime_format, $tr['ts'] + ($tz_offset - $tr['offset'])) . '</code >');
+				} else {
+					_e('This timezone does not observe daylight saving time.');
+				}
+			}
+			// Set back to UTC.
+			date_default_timezone_set('UTC');
+			?>
 				</span></p>
         <?php
-    endif;
-    }
-
-
-    /**
-     * This method will take an incoming unix timestamp and add the offset to it for the given timezone_string.
-     * If no unix timestamp is given then time() is used.  If no timezone is given then the set timezone string for
-     * the site is used.
-     * This is used typically when using a Unix timestamp any core WP functions that expect their specially
-     * computed timestamp (i.e. date_i18n() )
-     *
-     * @param int    $unix_timestamp                  if 0, then time() will be used.
-     * @param string $timezone_string                 timezone_string. If empty, then the current set timezone for the
-     *                                                site will be used.
-     * @return int      $unix_timestamp with the offset applied for the given timezone.
-     */
-    public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
-    {
-        $unix_timestamp  = $unix_timestamp === 0 ? time() : (int)$unix_timestamp;
-        $timezone_string = self::get_valid_timezone_string($timezone_string);
-        $TimeZone        = new DateTimeZone($timezone_string);
-
-        $DateTime = new DateTime('@' . $unix_timestamp, $TimeZone);
-        $offset   = timezone_offset_get($TimeZone, $DateTime);
-        return (int)$DateTime->format('U') + (int)$offset;
-    }
-
-
-    /**
-     *    _set_date_time_field
-     *    modifies EE_Base_Class EE_Datetime_Field objects
-     *
-     * @param  EE_Base_Class $obj                 EE_Base_Class object
-     * @param    DateTime    $DateTime            PHP DateTime object
-     * @param  string        $datetime_field_name the datetime fieldname to be manipulated
-     * @return    EE_Base_Class
-     */
-    protected static function _set_date_time_field(EE_Base_Class $obj, DateTime $DateTime, $datetime_field_name)
-    {
-        // grab current datetime format
-        $current_format = $obj->get_format();
-        // set new full timestamp format
-        $obj->set_date_format(EE_Datetime_Field::mysql_date_format);
-        $obj->set_time_format(EE_Datetime_Field::mysql_time_format);
-        // set the new date value using a full timestamp format so that no data is lost
-        $obj->set($datetime_field_name, $DateTime->format(EE_Datetime_Field::mysql_timestamp_format));
-        // reset datetime formats
-        $obj->set_date_format($current_format[0]);
-        $obj->set_time_format($current_format[1]);
-        return $obj;
-    }
-
-
-    /**
-     *    date_time_add
-     *    helper for doing simple datetime calculations on a given datetime from EE_Base_Class
-     *    and modifying it IN the EE_Base_Class so you don't have to do anything else.
-     *
-     * @param  EE_Base_Class $obj                 EE_Base_Class object
-     * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
-     * @param  string        $period              what you are adding. The options are (years, months, days, hours,
-     *                                            minutes, seconds) defaults to years
-     * @param  integer       $value               what you want to increment the time by
-     * @return EE_Base_Class           return the EE_Base_Class object so right away you can do something with it
-     *                                 (chaining)
-     */
-    public static function date_time_add(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
-    {
-        //get the raw UTC date.
-        $DateTime = $obj->get_DateTime_object($datetime_field_name);
-        $DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value);
-        return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
-    }
-
-
-    /**
-     *    date_time_subtract
-     *    same as date_time_add except subtracting value instead of adding.
-     *
-     * @param \EE_Base_Class $obj
-     * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
-     * @param string         $period
-     * @param int            $value
-     * @return \EE_Base_Class
-     */
-    public static function date_time_subtract(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
-    {
-        //get the raw UTC date
-        $DateTime = $obj->get_DateTime_object($datetime_field_name);
-        $DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value, '-');
-        return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
-    }
-
-
-    /**
-     * Simply takes an incoming DateTime object and does calculations on it based on the incoming parameters
-     *
-     * @param  DateTime $DateTime DateTime object
-     * @param  string   $period   a value to indicate what interval is being used in the calculation. The options are
-     *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
-     * @param  integer  $value    What you want to increment the date by
-     * @param  string   $operand  What operand you wish to use for the calculation
-     * @return \DateTime return whatever type came in.
-     * @throws \EE_Error
-     */
-    protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
-    {
-        if (! $DateTime instanceof DateTime) {
-            throw new EE_Error(
-                sprintf(
-                    __('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
-                    print_r($DateTime, true)
-                )
-            );
-        }
-        switch ($period) {
-            case 'years' :
-                $value = 'P' . $value . 'Y';
-                break;
-            case 'months' :
-                $value = 'P' . $value . 'M';
-                break;
-            case 'weeks' :
-                $value = 'P' . $value . 'W';
-                break;
-            case 'days' :
-                $value = 'P' . $value . 'D';
-                break;
-            case 'hours' :
-                $value = 'PT' . $value . 'H';
-                break;
-            case 'minutes' :
-                $value = 'PT' . $value . 'M';
-                break;
-            case 'seconds' :
-                $value = 'PT' . $value . 'S';
-                break;
-        }
-        switch ($operand) {
-            case '+':
-                $DateTime->add(new DateInterval($value));
-                break;
-            case '-':
-                $DateTime->sub(new DateInterval($value));
-                break;
-        }
-        return $DateTime;
-    }
-
-
-    /**
-     * Simply takes an incoming Unix timestamp and does calculations on it based on the incoming parameters
-     *
-     * @param  int     $timestamp Unix timestamp
-     * @param  string  $period    a value to indicate what interval is being used in the calculation. The options are
-     *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
-     * @param  integer $value     What you want to increment the date by
-     * @param  string  $operand   What operand you wish to use for the calculation
-     * @return \DateTime return whatever type came in.
-     * @throws \EE_Error
-     */
-    protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
-    {
-        if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
-            throw new EE_Error(
-                sprintf(
-                    __('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
-                    print_r($timestamp, true)
-                )
-            );
-        }
-        switch ($period) {
-            case 'years' :
-                $value = YEAR_IN_SECONDS * $value;
-                break;
-            case 'months' :
-                $value = YEAR_IN_SECONDS / 12 * $value;
-                break;
-            case 'weeks' :
-                $value = WEEK_IN_SECONDS * $value;
-                break;
-            case 'days' :
-                $value = DAY_IN_SECONDS * $value;
-                break;
-            case 'hours' :
-                $value = HOUR_IN_SECONDS * $value;
-                break;
-            case 'minutes' :
-                $value = MINUTE_IN_SECONDS * $value;
-                break;
-        }
-        switch ($operand) {
-            case '+':
-                $timestamp += $value;
-                break;
-            case '-':
-                $timestamp -= $value;
-                break;
-        }
-        return $timestamp;
-    }
-
-
-    /**
-     * Simply takes an incoming UTC timestamp or DateTime object and does calculations on it based on the incoming
-     * parameters and returns the new timestamp or DateTime.
-     *
-     * @param  int | DateTime $DateTime_or_timestamp DateTime object or Unix timestamp
-     * @param  string         $period                a value to indicate what interval is being used in the
-     *                                               calculation. The options are 'years', 'months', 'days', 'hours',
-     *                                               'minutes', 'seconds'. Defaults to years.
-     * @param  integer        $value                 What you want to increment the date by
-     * @param  string         $operand               What operand you wish to use for the calculation
-     * @return mixed string|DateTime          return whatever type came in.
-     */
-    public static function calc_date($DateTime_or_timestamp, $period = 'years', $value = 1, $operand = '+')
-    {
-        if ($DateTime_or_timestamp instanceof DateTime) {
-            return EEH_DTT_Helper::_modify_datetime_object($DateTime_or_timestamp, $period, $value, $operand);
-        } else if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $DateTime_or_timestamp)) {
-            return EEH_DTT_Helper::_modify_timestamp($DateTime_or_timestamp, $period, $value, $operand);
-        } else {
-            //error
-            return $DateTime_or_timestamp;
-        }
-    }
-
-
-    /**
-     * The purpose of this helper method is to receive an incoming format string in php date/time format
-     * and spit out the js and moment.js equivalent formats.
-     * Note, if no format string is given, then it is assumed the user wants what is set for WP.
-     * Note, js date and time formats are those used by the jquery-ui datepicker and the jquery-ui date-
-     * time picker.
-     *
-     * @see http://stackoverflow.com/posts/16725290/ for the code inspiration.
-     * @param null $date_format_string
-     * @param null $time_format_string
-     * @return array
-     *                array(
-     *                'js' => array (
-     *                'date' => //date format
-     *                'time' => //time format
-     *                ),
-     *                'moment' => //date and time format.
-     *                )
-     */
-    public static function convert_php_to_js_and_moment_date_formats(
-        $date_format_string = null,
-        $time_format_string = null
-    ) {
-        if ($date_format_string === null) {
-            $date_format_string = get_option('date_format');
-        }
-
-        if ($time_format_string === null) {
-            $time_format_string = get_option('time_format');
-        }
-
-        $date_format = self::_php_to_js_moment_converter($date_format_string);
-        $time_format = self::_php_to_js_moment_converter($time_format_string);
-
-        return array(
-            'js'     => array(
-                'date' => $date_format['js'],
-                'time' => $time_format['js'],
-            ),
-            'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
-        );
-    }
-
-
-    /**
-     * This converts incoming format string into js and moment variations.
-     *
-     * @param string $format_string incoming php format string
-     * @return array js and moment formats.
-     */
-    protected static function _php_to_js_moment_converter($format_string)
-    {
-        /**
-         * This is a map of symbols for formats.
-         * The index is the php symbol, the equivalent values are in the array.
-         *
-         * @var array
-         */
-        $symbols_map      = array(
-            // Day
-            //01
-            'd' => array(
-                'js'     => 'dd',
-                'moment' => 'DD',
-            ),
-            //Mon
-            'D' => array(
-                'js'     => 'D',
-                'moment' => 'ddd',
-            ),
-            //1,2,...31
-            'j' => array(
-                'js'     => 'd',
-                'moment' => 'D',
-            ),
-            //Monday
-            'l' => array(
-                'js'     => 'DD',
-                'moment' => 'dddd',
-            ),
-            //ISO numeric representation of the day of the week (1-6)
-            'N' => array(
-                'js'     => '',
-                'moment' => 'E',
-            ),
-            //st,nd.rd
-            'S' => array(
-                'js'     => '',
-                'moment' => 'o',
-            ),
-            //numeric representation of day of week (0-6)
-            'w' => array(
-                'js'     => '',
-                'moment' => 'd',
-            ),
-            //day of year starting from 0 (0-365)
-            'z' => array(
-                'js'     => 'o',
-                'moment' => 'DDD' //note moment does not start with 0 so will need to modify by subtracting 1
-            ),
-            // Week
-            //ISO-8601 week number of year (weeks starting on monday)
-            'W' => array(
-                'js'     => '',
-                'moment' => 'w',
-            ),
-            // Month
-            // January...December
-            'F' => array(
-                'js'     => 'MM',
-                'moment' => 'MMMM',
-            ),
-            //01...12
-            'm' => array(
-                'js'     => 'mm',
-                'moment' => 'MM',
-            ),
-            //Jan...Dec
-            'M' => array(
-                'js'     => 'M',
-                'moment' => 'MMM',
-            ),
-            //1-12
-            'n' => array(
-                'js'     => 'm',
-                'moment' => 'M',
-            ),
-            //number of days in given month
-            't' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // Year
-            //whether leap year or not 1/0
-            'L' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            //ISO-8601 year number
-            'o' => array(
-                'js'     => '',
-                'moment' => 'GGGG',
-            ),
-            //1999...2003
-            'Y' => array(
-                'js'     => 'yy',
-                'moment' => 'YYYY',
-            ),
-            //99...03
-            'y' => array(
-                'js'     => 'y',
-                'moment' => 'YY',
-            ),
-            // Time
-            // am/pm
-            'a' => array(
-                'js'     => 'tt',
-                'moment' => 'a',
-            ),
-            // AM/PM
-            'A' => array(
-                'js'     => 'TT',
-                'moment' => 'A',
-            ),
-            // Swatch Internet Time?!?
-            'B' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            //1...12
-            'g' => array(
-                'js'     => 'h',
-                'moment' => 'h',
-            ),
-            //0...23
-            'G' => array(
-                'js'     => 'H',
-                'moment' => 'H',
-            ),
-            //01...12
-            'h' => array(
-                'js'     => 'hh',
-                'moment' => 'hh',
-            ),
-            //00...23
-            'H' => array(
-                'js'     => 'HH',
-                'moment' => 'HH',
-            ),
-            //00..59
-            'i' => array(
-                'js'     => 'mm',
-                'moment' => 'mm',
-            ),
-            //seconds... 00...59
-            's' => array(
-                'js'     => 'ss',
-                'moment' => 'ss',
-            ),
-            //microseconds
-            'u' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-        );
-        $jquery_ui_format = "";
-        $moment_format    = "";
-        $escaping         = false;
-        for ($i = 0; $i < strlen($format_string); $i++) {
-            $char = $format_string[$i];
-            if ($char === '\\') { // PHP date format escaping character
-                $i++;
-                if ($escaping) {
-                    $jquery_ui_format .= $format_string[$i];
-                    $moment_format .= $format_string[$i];
-                } else {
-                    $jquery_ui_format .= '\'' . $format_string[$i];
-                    $moment_format .= $format_string[$i];
-                }
-                $escaping = true;
-            } else {
-                if ($escaping) {
-                    $jquery_ui_format .= "'";
-                    $moment_format .= "'";
-                    $escaping = false;
-                }
-                if (isset($symbols_map[$char])) {
-                    $jquery_ui_format .= $symbols_map[$char]['js'];
-                    $moment_format .= $symbols_map[$char]['moment'];
-                } else {
-                    $jquery_ui_format .= $char;
-                    $moment_format .= $char;
-                }
-            }
-        }
-        return array('js' => $jquery_ui_format, 'moment' => $moment_format);
-    }
-
-
-    /**
-     * This takes an incoming format string and validates it to ensure it will work fine with PHP.
-     *
-     * @param string $format_string   Incoming format string for php date().
-     * @return mixed bool|array  If all is okay then TRUE is returned.  Otherwise an array of validation
-     *                                errors is returned.  So for client code calling, check for is_array() to
-     *                                indicate failed validations.
-     */
-    public static function validate_format_string($format_string)
-    {
-        $error_msg = array();
-        //time format checks
-        switch (true) {
-            case   strpos($format_string, 'h') !== false  :
-            case   strpos($format_string, 'g') !== false :
-                /**
-                 * if the time string has a lowercase 'h' which == 12 hour time format and there
-                 * is not any ante meridiem format ('a' or 'A').  Then throw an error because its
-                 * too ambiguous and PHP won't be able to figure out whether 1 = 1pm or 1am.
-                 */
-                if (strpos(strtoupper($format_string), 'A') === false) {
-                    $error_msg[] = __('There is a  time format for 12 hour time but no  "a" or "A" to indicate am/pm.  Without this distinction, PHP is unable to determine if a "1" for the hour value equals "1pm" or "1am".',
-                        'event_espresso');
-                }
-                break;
-
-        }
-
-        return empty($error_msg) ? true : $error_msg;
-    }
-
-
-    /**
-     *     If the the first date starts at midnight on one day, and the next date ends at midnight on the
-     *     very next day then this method will return true.
-     *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-16 00:00:00 then this function will return true.
-     *    If $date_1 = 2015-12-15 03:00:00 and $date_2 = 2015-12_16 03:00:00 then this function will return false.
-     *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-15 00:00:00 then this function will return true.
-     *
-     * @param mixed $date_1
-     * @param mixed $date_2
-     * @return bool
-     */
-    public static function dates_represent_one_24_hour_date($date_1, $date_2)
-    {
-
-        if (
-            (! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime) ||
-            ($date_1->format(EE_Datetime_Field::mysql_time_format) != '00:00:00' || $date_2->format(EE_Datetime_Field::mysql_time_format) != '00:00:00')
-        ) {
-            return false;
-        }
-        return $date_2->format('U') - $date_1->format('U') == 86400 ? true : false;
-    }
-
-
-    /**
-     * This returns the appropriate query interval string that can be used in sql queries involving mysql Date
-     * Functions.
-     *
-     * @param string $timezone_string    A timezone string in a valid format to instantiate a DateTimeZone object.
-     * @param string $field_for_interval The Database field that is the interval is applied to in the query.
-     * @return string
-     */
-    public static function get_sql_query_interval_for_offset($timezone_string, $field_for_interval)
-    {
-        try {
-            /** need to account for timezone offset on the selects */
-            $DateTimeZone = new DateTimeZone($timezone_string);
-        } catch (Exception $e) {
-            $DateTimeZone = null;
-        }
-
-        /**
-         * Note get_option( 'gmt_offset') returns a value in hours, whereas DateTimeZone::getOffset returns values in seconds.
-         * Hence we do the calc for DateTimeZone::getOffset.
-         */
-        $offset         = $DateTimeZone instanceof DateTimeZone ? ($DateTimeZone->getOffset(new DateTime('now'))) / HOUR_IN_SECONDS : get_option('gmt_offset');
-        $query_interval = $offset < 0
-            ? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
-            : 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
-        return $query_interval;
-    }
-
-    /**
-     * Retrieves the site's default timezone and returns it formatted so it's ready for display
-     * to users. If you want to customize how its displayed feel free to fetch the 'timezone_string'
-     * and 'gmt_offset' WordPress options directly; or use the filter
-     * FHEE__EEH_DTT_Helper__get_timezone_string_for_display
-     * (although note that we remove any HTML that may be added)
-     *
-     * @return string
-     */
-    public static function get_timezone_string_for_display()
-    {
-        $pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
-        if (! empty($pretty_timezone)) {
-            return esc_html($pretty_timezone);
-        }
-        $timezone_string = get_option('timezone_string');
-        if ($timezone_string) {
-            static $mo_loaded = false;
-            // Load translations for continents and cities just like wp_timezone_choice does
-            if (! $mo_loaded) {
-                $locale = get_locale();
-                $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
-                load_textdomain('continents-cities', $mofile);
-                $mo_loaded = true;
-            }
-            //well that was easy.
-            $parts = explode('/', $timezone_string);
-            //remove the continent
-            unset($parts[0]);
-            $t_parts = array();
-            foreach ($parts as $part) {
-                $t_parts[] = translate(str_replace('_', ' ', $part), 'continents-cities');
-            }
-            return implode(' - ', $t_parts);
-        }
-        //they haven't set the timezone string, so let's return a string like "UTC+1"
-        $gmt_offset = get_option('gmt_offset');
-        if (intval($gmt_offset) >= 0) {
-            $prefix = '+';
-        } else {
-            $prefix = '';
-        }
-        $parts = explode('.', (string)$gmt_offset);
-        if (count($parts) === 1) {
-            $parts[1] = '00';
-        } else {
-            //convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
-            //to minutes, eg 30 or 15, respectively
-            $hour_fraction = (float)('0.' . $parts[1]);
-            $parts[1]      = (string)$hour_fraction * 60;
-        }
-        return sprintf(__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
-    }
-
-
-
-    /**
-     * So PHP does this awesome thing where if you are trying to get a timestamp
-     * for a month using a string like "February" or "February 2017",
-     * and you don't specify a day as part of your string,
-     * then PHP will use whatever the current day of the month is.
-     * IF the current day of the month happens to be the 30th or 31st,
-     * then PHP gets really confused by a date like February 30,
-     * so instead of saying
-     *      "Hey February only has 28 days (this year)...
-     *      ...you must have meant the last day of the month!"
-     * PHP does the next most logical thing, and bumps the date up to March 2nd,
-     * because someone requesting February 30th obviously meant March 1st!
-     * The way around this is to always set the day to the first,
-     * so that the month will stay on the month you wanted.
-     * this method will add that "1" into your date regardless of the format.
-     *
-     * @param string $month
-     * @return string
-     */
-    public static function first_of_month_timestamp($month = '')
-    {
-        $month = (string)$month;
-        $year = '';
-        // check if the incoming string has a year in it or not
-       if (preg_match('/\b\d{4}\b/', $month, $matches)) {
-           $year = $matches[0];
-           // ten remove that from the month string as well as any spaces
-           $month = trim(str_replace($year, '', $month));
-           // add a space before the year
-           $year = " {$year}";
-        }
-        // return timestamp for something like "February 1 2017"
-        return strtotime("{$month} 1{$year}");
-    }
+	endif;
+	}
+
+
+	/**
+	 * This method will take an incoming unix timestamp and add the offset to it for the given timezone_string.
+	 * If no unix timestamp is given then time() is used.  If no timezone is given then the set timezone string for
+	 * the site is used.
+	 * This is used typically when using a Unix timestamp any core WP functions that expect their specially
+	 * computed timestamp (i.e. date_i18n() )
+	 *
+	 * @param int    $unix_timestamp                  if 0, then time() will be used.
+	 * @param string $timezone_string                 timezone_string. If empty, then the current set timezone for the
+	 *                                                site will be used.
+	 * @return int      $unix_timestamp with the offset applied for the given timezone.
+	 */
+	public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
+	{
+		$unix_timestamp  = $unix_timestamp === 0 ? time() : (int)$unix_timestamp;
+		$timezone_string = self::get_valid_timezone_string($timezone_string);
+		$TimeZone        = new DateTimeZone($timezone_string);
+
+		$DateTime = new DateTime('@' . $unix_timestamp, $TimeZone);
+		$offset   = timezone_offset_get($TimeZone, $DateTime);
+		return (int)$DateTime->format('U') + (int)$offset;
+	}
+
+
+	/**
+	 *    _set_date_time_field
+	 *    modifies EE_Base_Class EE_Datetime_Field objects
+	 *
+	 * @param  EE_Base_Class $obj                 EE_Base_Class object
+	 * @param    DateTime    $DateTime            PHP DateTime object
+	 * @param  string        $datetime_field_name the datetime fieldname to be manipulated
+	 * @return    EE_Base_Class
+	 */
+	protected static function _set_date_time_field(EE_Base_Class $obj, DateTime $DateTime, $datetime_field_name)
+	{
+		// grab current datetime format
+		$current_format = $obj->get_format();
+		// set new full timestamp format
+		$obj->set_date_format(EE_Datetime_Field::mysql_date_format);
+		$obj->set_time_format(EE_Datetime_Field::mysql_time_format);
+		// set the new date value using a full timestamp format so that no data is lost
+		$obj->set($datetime_field_name, $DateTime->format(EE_Datetime_Field::mysql_timestamp_format));
+		// reset datetime formats
+		$obj->set_date_format($current_format[0]);
+		$obj->set_time_format($current_format[1]);
+		return $obj;
+	}
+
+
+	/**
+	 *    date_time_add
+	 *    helper for doing simple datetime calculations on a given datetime from EE_Base_Class
+	 *    and modifying it IN the EE_Base_Class so you don't have to do anything else.
+	 *
+	 * @param  EE_Base_Class $obj                 EE_Base_Class object
+	 * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
+	 * @param  string        $period              what you are adding. The options are (years, months, days, hours,
+	 *                                            minutes, seconds) defaults to years
+	 * @param  integer       $value               what you want to increment the time by
+	 * @return EE_Base_Class           return the EE_Base_Class object so right away you can do something with it
+	 *                                 (chaining)
+	 */
+	public static function date_time_add(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
+	{
+		//get the raw UTC date.
+		$DateTime = $obj->get_DateTime_object($datetime_field_name);
+		$DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value);
+		return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
+	}
+
+
+	/**
+	 *    date_time_subtract
+	 *    same as date_time_add except subtracting value instead of adding.
+	 *
+	 * @param \EE_Base_Class $obj
+	 * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
+	 * @param string         $period
+	 * @param int            $value
+	 * @return \EE_Base_Class
+	 */
+	public static function date_time_subtract(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
+	{
+		//get the raw UTC date
+		$DateTime = $obj->get_DateTime_object($datetime_field_name);
+		$DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value, '-');
+		return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
+	}
+
+
+	/**
+	 * Simply takes an incoming DateTime object and does calculations on it based on the incoming parameters
+	 *
+	 * @param  DateTime $DateTime DateTime object
+	 * @param  string   $period   a value to indicate what interval is being used in the calculation. The options are
+	 *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
+	 * @param  integer  $value    What you want to increment the date by
+	 * @param  string   $operand  What operand you wish to use for the calculation
+	 * @return \DateTime return whatever type came in.
+	 * @throws \EE_Error
+	 */
+	protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
+	{
+		if (! $DateTime instanceof DateTime) {
+			throw new EE_Error(
+				sprintf(
+					__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
+					print_r($DateTime, true)
+				)
+			);
+		}
+		switch ($period) {
+			case 'years' :
+				$value = 'P' . $value . 'Y';
+				break;
+			case 'months' :
+				$value = 'P' . $value . 'M';
+				break;
+			case 'weeks' :
+				$value = 'P' . $value . 'W';
+				break;
+			case 'days' :
+				$value = 'P' . $value . 'D';
+				break;
+			case 'hours' :
+				$value = 'PT' . $value . 'H';
+				break;
+			case 'minutes' :
+				$value = 'PT' . $value . 'M';
+				break;
+			case 'seconds' :
+				$value = 'PT' . $value . 'S';
+				break;
+		}
+		switch ($operand) {
+			case '+':
+				$DateTime->add(new DateInterval($value));
+				break;
+			case '-':
+				$DateTime->sub(new DateInterval($value));
+				break;
+		}
+		return $DateTime;
+	}
+
+
+	/**
+	 * Simply takes an incoming Unix timestamp and does calculations on it based on the incoming parameters
+	 *
+	 * @param  int     $timestamp Unix timestamp
+	 * @param  string  $period    a value to indicate what interval is being used in the calculation. The options are
+	 *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
+	 * @param  integer $value     What you want to increment the date by
+	 * @param  string  $operand   What operand you wish to use for the calculation
+	 * @return \DateTime return whatever type came in.
+	 * @throws \EE_Error
+	 */
+	protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
+	{
+		if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
+			throw new EE_Error(
+				sprintf(
+					__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
+					print_r($timestamp, true)
+				)
+			);
+		}
+		switch ($period) {
+			case 'years' :
+				$value = YEAR_IN_SECONDS * $value;
+				break;
+			case 'months' :
+				$value = YEAR_IN_SECONDS / 12 * $value;
+				break;
+			case 'weeks' :
+				$value = WEEK_IN_SECONDS * $value;
+				break;
+			case 'days' :
+				$value = DAY_IN_SECONDS * $value;
+				break;
+			case 'hours' :
+				$value = HOUR_IN_SECONDS * $value;
+				break;
+			case 'minutes' :
+				$value = MINUTE_IN_SECONDS * $value;
+				break;
+		}
+		switch ($operand) {
+			case '+':
+				$timestamp += $value;
+				break;
+			case '-':
+				$timestamp -= $value;
+				break;
+		}
+		return $timestamp;
+	}
+
+
+	/**
+	 * Simply takes an incoming UTC timestamp or DateTime object and does calculations on it based on the incoming
+	 * parameters and returns the new timestamp or DateTime.
+	 *
+	 * @param  int | DateTime $DateTime_or_timestamp DateTime object or Unix timestamp
+	 * @param  string         $period                a value to indicate what interval is being used in the
+	 *                                               calculation. The options are 'years', 'months', 'days', 'hours',
+	 *                                               'minutes', 'seconds'. Defaults to years.
+	 * @param  integer        $value                 What you want to increment the date by
+	 * @param  string         $operand               What operand you wish to use for the calculation
+	 * @return mixed string|DateTime          return whatever type came in.
+	 */
+	public static function calc_date($DateTime_or_timestamp, $period = 'years', $value = 1, $operand = '+')
+	{
+		if ($DateTime_or_timestamp instanceof DateTime) {
+			return EEH_DTT_Helper::_modify_datetime_object($DateTime_or_timestamp, $period, $value, $operand);
+		} else if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $DateTime_or_timestamp)) {
+			return EEH_DTT_Helper::_modify_timestamp($DateTime_or_timestamp, $period, $value, $operand);
+		} else {
+			//error
+			return $DateTime_or_timestamp;
+		}
+	}
+
+
+	/**
+	 * The purpose of this helper method is to receive an incoming format string in php date/time format
+	 * and spit out the js and moment.js equivalent formats.
+	 * Note, if no format string is given, then it is assumed the user wants what is set for WP.
+	 * Note, js date and time formats are those used by the jquery-ui datepicker and the jquery-ui date-
+	 * time picker.
+	 *
+	 * @see http://stackoverflow.com/posts/16725290/ for the code inspiration.
+	 * @param null $date_format_string
+	 * @param null $time_format_string
+	 * @return array
+	 *                array(
+	 *                'js' => array (
+	 *                'date' => //date format
+	 *                'time' => //time format
+	 *                ),
+	 *                'moment' => //date and time format.
+	 *                )
+	 */
+	public static function convert_php_to_js_and_moment_date_formats(
+		$date_format_string = null,
+		$time_format_string = null
+	) {
+		if ($date_format_string === null) {
+			$date_format_string = get_option('date_format');
+		}
+
+		if ($time_format_string === null) {
+			$time_format_string = get_option('time_format');
+		}
+
+		$date_format = self::_php_to_js_moment_converter($date_format_string);
+		$time_format = self::_php_to_js_moment_converter($time_format_string);
+
+		return array(
+			'js'     => array(
+				'date' => $date_format['js'],
+				'time' => $time_format['js'],
+			),
+			'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
+		);
+	}
+
+
+	/**
+	 * This converts incoming format string into js and moment variations.
+	 *
+	 * @param string $format_string incoming php format string
+	 * @return array js and moment formats.
+	 */
+	protected static function _php_to_js_moment_converter($format_string)
+	{
+		/**
+		 * This is a map of symbols for formats.
+		 * The index is the php symbol, the equivalent values are in the array.
+		 *
+		 * @var array
+		 */
+		$symbols_map      = array(
+			// Day
+			//01
+			'd' => array(
+				'js'     => 'dd',
+				'moment' => 'DD',
+			),
+			//Mon
+			'D' => array(
+				'js'     => 'D',
+				'moment' => 'ddd',
+			),
+			//1,2,...31
+			'j' => array(
+				'js'     => 'd',
+				'moment' => 'D',
+			),
+			//Monday
+			'l' => array(
+				'js'     => 'DD',
+				'moment' => 'dddd',
+			),
+			//ISO numeric representation of the day of the week (1-6)
+			'N' => array(
+				'js'     => '',
+				'moment' => 'E',
+			),
+			//st,nd.rd
+			'S' => array(
+				'js'     => '',
+				'moment' => 'o',
+			),
+			//numeric representation of day of week (0-6)
+			'w' => array(
+				'js'     => '',
+				'moment' => 'd',
+			),
+			//day of year starting from 0 (0-365)
+			'z' => array(
+				'js'     => 'o',
+				'moment' => 'DDD' //note moment does not start with 0 so will need to modify by subtracting 1
+			),
+			// Week
+			//ISO-8601 week number of year (weeks starting on monday)
+			'W' => array(
+				'js'     => '',
+				'moment' => 'w',
+			),
+			// Month
+			// January...December
+			'F' => array(
+				'js'     => 'MM',
+				'moment' => 'MMMM',
+			),
+			//01...12
+			'm' => array(
+				'js'     => 'mm',
+				'moment' => 'MM',
+			),
+			//Jan...Dec
+			'M' => array(
+				'js'     => 'M',
+				'moment' => 'MMM',
+			),
+			//1-12
+			'n' => array(
+				'js'     => 'm',
+				'moment' => 'M',
+			),
+			//number of days in given month
+			't' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// Year
+			//whether leap year or not 1/0
+			'L' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			//ISO-8601 year number
+			'o' => array(
+				'js'     => '',
+				'moment' => 'GGGG',
+			),
+			//1999...2003
+			'Y' => array(
+				'js'     => 'yy',
+				'moment' => 'YYYY',
+			),
+			//99...03
+			'y' => array(
+				'js'     => 'y',
+				'moment' => 'YY',
+			),
+			// Time
+			// am/pm
+			'a' => array(
+				'js'     => 'tt',
+				'moment' => 'a',
+			),
+			// AM/PM
+			'A' => array(
+				'js'     => 'TT',
+				'moment' => 'A',
+			),
+			// Swatch Internet Time?!?
+			'B' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			//1...12
+			'g' => array(
+				'js'     => 'h',
+				'moment' => 'h',
+			),
+			//0...23
+			'G' => array(
+				'js'     => 'H',
+				'moment' => 'H',
+			),
+			//01...12
+			'h' => array(
+				'js'     => 'hh',
+				'moment' => 'hh',
+			),
+			//00...23
+			'H' => array(
+				'js'     => 'HH',
+				'moment' => 'HH',
+			),
+			//00..59
+			'i' => array(
+				'js'     => 'mm',
+				'moment' => 'mm',
+			),
+			//seconds... 00...59
+			's' => array(
+				'js'     => 'ss',
+				'moment' => 'ss',
+			),
+			//microseconds
+			'u' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+		);
+		$jquery_ui_format = "";
+		$moment_format    = "";
+		$escaping         = false;
+		for ($i = 0; $i < strlen($format_string); $i++) {
+			$char = $format_string[$i];
+			if ($char === '\\') { // PHP date format escaping character
+				$i++;
+				if ($escaping) {
+					$jquery_ui_format .= $format_string[$i];
+					$moment_format .= $format_string[$i];
+				} else {
+					$jquery_ui_format .= '\'' . $format_string[$i];
+					$moment_format .= $format_string[$i];
+				}
+				$escaping = true;
+			} else {
+				if ($escaping) {
+					$jquery_ui_format .= "'";
+					$moment_format .= "'";
+					$escaping = false;
+				}
+				if (isset($symbols_map[$char])) {
+					$jquery_ui_format .= $symbols_map[$char]['js'];
+					$moment_format .= $symbols_map[$char]['moment'];
+				} else {
+					$jquery_ui_format .= $char;
+					$moment_format .= $char;
+				}
+			}
+		}
+		return array('js' => $jquery_ui_format, 'moment' => $moment_format);
+	}
+
+
+	/**
+	 * This takes an incoming format string and validates it to ensure it will work fine with PHP.
+	 *
+	 * @param string $format_string   Incoming format string for php date().
+	 * @return mixed bool|array  If all is okay then TRUE is returned.  Otherwise an array of validation
+	 *                                errors is returned.  So for client code calling, check for is_array() to
+	 *                                indicate failed validations.
+	 */
+	public static function validate_format_string($format_string)
+	{
+		$error_msg = array();
+		//time format checks
+		switch (true) {
+			case   strpos($format_string, 'h') !== false  :
+			case   strpos($format_string, 'g') !== false :
+				/**
+				 * if the time string has a lowercase 'h' which == 12 hour time format and there
+				 * is not any ante meridiem format ('a' or 'A').  Then throw an error because its
+				 * too ambiguous and PHP won't be able to figure out whether 1 = 1pm or 1am.
+				 */
+				if (strpos(strtoupper($format_string), 'A') === false) {
+					$error_msg[] = __('There is a  time format for 12 hour time but no  "a" or "A" to indicate am/pm.  Without this distinction, PHP is unable to determine if a "1" for the hour value equals "1pm" or "1am".',
+						'event_espresso');
+				}
+				break;
+
+		}
+
+		return empty($error_msg) ? true : $error_msg;
+	}
+
+
+	/**
+	 *     If the the first date starts at midnight on one day, and the next date ends at midnight on the
+	 *     very next day then this method will return true.
+	 *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-16 00:00:00 then this function will return true.
+	 *    If $date_1 = 2015-12-15 03:00:00 and $date_2 = 2015-12_16 03:00:00 then this function will return false.
+	 *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-15 00:00:00 then this function will return true.
+	 *
+	 * @param mixed $date_1
+	 * @param mixed $date_2
+	 * @return bool
+	 */
+	public static function dates_represent_one_24_hour_date($date_1, $date_2)
+	{
+
+		if (
+			(! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime) ||
+			($date_1->format(EE_Datetime_Field::mysql_time_format) != '00:00:00' || $date_2->format(EE_Datetime_Field::mysql_time_format) != '00:00:00')
+		) {
+			return false;
+		}
+		return $date_2->format('U') - $date_1->format('U') == 86400 ? true : false;
+	}
+
+
+	/**
+	 * This returns the appropriate query interval string that can be used in sql queries involving mysql Date
+	 * Functions.
+	 *
+	 * @param string $timezone_string    A timezone string in a valid format to instantiate a DateTimeZone object.
+	 * @param string $field_for_interval The Database field that is the interval is applied to in the query.
+	 * @return string
+	 */
+	public static function get_sql_query_interval_for_offset($timezone_string, $field_for_interval)
+	{
+		try {
+			/** need to account for timezone offset on the selects */
+			$DateTimeZone = new DateTimeZone($timezone_string);
+		} catch (Exception $e) {
+			$DateTimeZone = null;
+		}
+
+		/**
+		 * Note get_option( 'gmt_offset') returns a value in hours, whereas DateTimeZone::getOffset returns values in seconds.
+		 * Hence we do the calc for DateTimeZone::getOffset.
+		 */
+		$offset         = $DateTimeZone instanceof DateTimeZone ? ($DateTimeZone->getOffset(new DateTime('now'))) / HOUR_IN_SECONDS : get_option('gmt_offset');
+		$query_interval = $offset < 0
+			? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
+			: 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
+		return $query_interval;
+	}
+
+	/**
+	 * Retrieves the site's default timezone and returns it formatted so it's ready for display
+	 * to users. If you want to customize how its displayed feel free to fetch the 'timezone_string'
+	 * and 'gmt_offset' WordPress options directly; or use the filter
+	 * FHEE__EEH_DTT_Helper__get_timezone_string_for_display
+	 * (although note that we remove any HTML that may be added)
+	 *
+	 * @return string
+	 */
+	public static function get_timezone_string_for_display()
+	{
+		$pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
+		if (! empty($pretty_timezone)) {
+			return esc_html($pretty_timezone);
+		}
+		$timezone_string = get_option('timezone_string');
+		if ($timezone_string) {
+			static $mo_loaded = false;
+			// Load translations for continents and cities just like wp_timezone_choice does
+			if (! $mo_loaded) {
+				$locale = get_locale();
+				$mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+				load_textdomain('continents-cities', $mofile);
+				$mo_loaded = true;
+			}
+			//well that was easy.
+			$parts = explode('/', $timezone_string);
+			//remove the continent
+			unset($parts[0]);
+			$t_parts = array();
+			foreach ($parts as $part) {
+				$t_parts[] = translate(str_replace('_', ' ', $part), 'continents-cities');
+			}
+			return implode(' - ', $t_parts);
+		}
+		//they haven't set the timezone string, so let's return a string like "UTC+1"
+		$gmt_offset = get_option('gmt_offset');
+		if (intval($gmt_offset) >= 0) {
+			$prefix = '+';
+		} else {
+			$prefix = '';
+		}
+		$parts = explode('.', (string)$gmt_offset);
+		if (count($parts) === 1) {
+			$parts[1] = '00';
+		} else {
+			//convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
+			//to minutes, eg 30 or 15, respectively
+			$hour_fraction = (float)('0.' . $parts[1]);
+			$parts[1]      = (string)$hour_fraction * 60;
+		}
+		return sprintf(__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
+	}
+
+
+
+	/**
+	 * So PHP does this awesome thing where if you are trying to get a timestamp
+	 * for a month using a string like "February" or "February 2017",
+	 * and you don't specify a day as part of your string,
+	 * then PHP will use whatever the current day of the month is.
+	 * IF the current day of the month happens to be the 30th or 31st,
+	 * then PHP gets really confused by a date like February 30,
+	 * so instead of saying
+	 *      "Hey February only has 28 days (this year)...
+	 *      ...you must have meant the last day of the month!"
+	 * PHP does the next most logical thing, and bumps the date up to March 2nd,
+	 * because someone requesting February 30th obviously meant March 1st!
+	 * The way around this is to always set the day to the first,
+	 * so that the month will stay on the month you wanted.
+	 * this method will add that "1" into your date regardless of the format.
+	 *
+	 * @param string $month
+	 * @return string
+	 */
+	public static function first_of_month_timestamp($month = '')
+	{
+		$month = (string)$month;
+		$year = '';
+		// check if the incoming string has a year in it or not
+	   if (preg_match('/\b\d{4}\b/', $month, $matches)) {
+		   $year = $matches[0];
+		   // ten remove that from the month string as well as any spaces
+		   $month = trim(str_replace($year, '', $month));
+		   // add a space before the year
+		   $year = " {$year}";
+		}
+		// return timestamp for something like "February 1 2017"
+		return strtotime("{$month} 1{$year}");
+	}
 
 	/**
-     * This simply returns the timestamp for tomorrow (midnight next day) in this sites timezone.  So it may be midnight
-	* for this sites timezone, but the timestamp could be some other time GMT.
-    */
-    public static function tomorrow()
+	 * This simply returns the timestamp for tomorrow (midnight next day) in this sites timezone.  So it may be midnight
+	 * for this sites timezone, but the timestamp could be some other time GMT.
+	 */
+	public static function tomorrow()
 	{
 		//The multiplication of -1 ensures that we switch positive offsets to negative and negative offsets to positive
 		//before adding to the timestamp.  Why? Because we want tomorrow to be for midnight the next day in THIS timezone

Spacing +39 added lines, -40 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('NO direct script access allowed');
 }
 
@@ -74,7 +74,7 @@ 
             new DateTimeZone($timezone_string);
         } catch (Exception $e) {
             // sometimes we take exception to exceptions
-            if (! $throw_error) {
+            if ( ! $throw_error) {
                 return false;
             }
             throw new EE_Error(
@@ -135,7 +135,7 @@ 
             }
         }
         $offset = get_option('gmt_offset');
-        return (int)($offset * HOUR_IN_SECONDS);
+        return (int) ($offset * HOUR_IN_SECONDS);
     }
 
 
@@ -149,7 +149,7 @@ 
     public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
     {
         //make sure $gmt_offset is int
-        $gmt_offset = (int)$gmt_offset;
+        $gmt_offset = (int) $gmt_offset;
         switch ($gmt_offset) {
 
             //			case -30600 :
@@ -233,7 +233,7 @@ 
     public static function timezone_select_input($timezone_string = '')
     {
         // get WP date time format
-        $datetime_format = get_option('date_format') . ' ' . get_option('time_format');
+        $datetime_format = get_option('date_format').' '.get_option('time_format');
         // if passed a value, then use that, else get WP option
         $timezone_string = ! empty($timezone_string) ? $timezone_string : get_option('timezone_string');
         // check if the timezone is valid but don't throw any errors if it isn't
@@ -245,9 +245,9 @@ 
             // Create a UTC+- zone if no timezone string exists
             $check_zone_info = false;
             if ($gmt_offset > 0) {
-                $timezone_string = 'UTC+' . $gmt_offset;
+                $timezone_string = 'UTC+'.$gmt_offset;
             } elseif ($gmt_offset < 0) {
-                $timezone_string = 'UTC' . $gmt_offset;
+                $timezone_string = 'UTC'.$gmt_offset;
             } else {
                 $timezone_string = 'UTC';
             }
@@ -269,11 +269,11 @@ 
                 __('%1$sUTC%2$s time is %3$s'),
                 '<abbr title="Coordinated Universal Time">',
                 '</abbr>',
-                '<code>' . date_i18n($datetime_format, false, true) . '</code>'
+                '<code>'.date_i18n($datetime_format, false, true).'</code>'
             );
             ?></span>
-        <?php if (! empty($timezone_string) || ! empty($gmt_offset)) : ?>
-        <br/><span><?php printf(__('Local time is %1$s'), '<code>' . date_i18n($datetime_format) . '</code>'); ?></span>
+        <?php if ( ! empty($timezone_string) || ! empty($gmt_offset)) : ?>
+        <br/><span><?php printf(__('Local time is %1$s'), '<code>'.date_i18n($datetime_format).'</code>'); ?></span>
     <?php endif; ?>
 
         <?php if ($check_zone_info && $timezone_string) : ?>
@@ -306,11 +306,10 @@ 
 
                 if ($found) {
                     $message = $tr['isdst'] ?
-                        __(' Daylight saving time begins on: %s.') :
-                        __(' Standard time begins  on: %s.');
+                        __(' Daylight saving time begins on: %s.') : __(' Standard time begins  on: %s.');
                     // Add the difference between the current offset and the new offset to ts to get the correct transition time from date_i18n().
                     printf($message,
-                        '<code >' . date_i18n($datetime_format, $tr['ts'] + ($tz_offset - $tr['offset'])) . '</code >');
+                        '<code >'.date_i18n($datetime_format, $tr['ts'] + ($tz_offset - $tr['offset'])).'</code >');
                 } else {
                     _e('This timezone does not observe daylight saving time.');
                 }
@@ -338,13 +337,13 @@ 
      */
     public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
     {
-        $unix_timestamp  = $unix_timestamp === 0 ? time() : (int)$unix_timestamp;
+        $unix_timestamp  = $unix_timestamp === 0 ? time() : (int) $unix_timestamp;
         $timezone_string = self::get_valid_timezone_string($timezone_string);
         $TimeZone        = new DateTimeZone($timezone_string);
 
-        $DateTime = new DateTime('@' . $unix_timestamp, $TimeZone);
+        $DateTime = new DateTime('@'.$unix_timestamp, $TimeZone);
         $offset   = timezone_offset_get($TimeZone, $DateTime);
-        return (int)$DateTime->format('U') + (int)$offset;
+        return (int) $DateTime->format('U') + (int) $offset;
     }
 
 
@@ -427,7 +426,7 @@ 
      */
     protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
     {
-        if (! $DateTime instanceof DateTime) {
+        if ( ! $DateTime instanceof DateTime) {
             throw new EE_Error(
                 sprintf(
                     __('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
@@ -437,25 +436,25 @@ 
         }
         switch ($period) {
             case 'years' :
-                $value = 'P' . $value . 'Y';
+                $value = 'P'.$value.'Y';
                 break;
             case 'months' :
-                $value = 'P' . $value . 'M';
+                $value = 'P'.$value.'M';
                 break;
             case 'weeks' :
-                $value = 'P' . $value . 'W';
+                $value = 'P'.$value.'W';
                 break;
             case 'days' :
-                $value = 'P' . $value . 'D';
+                $value = 'P'.$value.'D';
                 break;
             case 'hours' :
-                $value = 'PT' . $value . 'H';
+                $value = 'PT'.$value.'H';
                 break;
             case 'minutes' :
-                $value = 'PT' . $value . 'M';
+                $value = 'PT'.$value.'M';
                 break;
             case 'seconds' :
-                $value = 'PT' . $value . 'S';
+                $value = 'PT'.$value.'S';
                 break;
         }
         switch ($operand) {
@@ -483,7 +482,7 @@ 
      */
     protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
     {
-        if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
+        if ( ! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
             throw new EE_Error(
                 sprintf(
                     __('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
@@ -587,7 +586,7 @@ 
                 'date' => $date_format['js'],
                 'time' => $time_format['js'],
             ),
-            'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
+            'moment' => $date_format['moment'].' '.$time_format['moment'],
         );
     }
 
@@ -606,7 +605,7 @@ 
          *
          * @var array
          */
-        $symbols_map      = array(
+        $symbols_map = array(
             // Day
             //01
             'd' => array(
@@ -764,7 +763,7 @@ 
                     $jquery_ui_format .= $format_string[$i];
                     $moment_format .= $format_string[$i];
                 } else {
-                    $jquery_ui_format .= '\'' . $format_string[$i];
+                    $jquery_ui_format .= '\''.$format_string[$i];
                     $moment_format .= $format_string[$i];
                 }
                 $escaping = true;
@@ -834,7 +833,7 @@ 
     {
 
         if (
-            (! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime) ||
+            ( ! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime) ||
             ($date_1->format(EE_Datetime_Field::mysql_time_format) != '00:00:00' || $date_2->format(EE_Datetime_Field::mysql_time_format) != '00:00:00')
         ) {
             return false;
@@ -866,8 +865,8 @@ 
          */
         $offset         = $DateTimeZone instanceof DateTimeZone ? ($DateTimeZone->getOffset(new DateTime('now'))) / HOUR_IN_SECONDS : get_option('gmt_offset');
         $query_interval = $offset < 0
-            ? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
-            : 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
+            ? 'DATE_SUB('.$field_for_interval.', INTERVAL '.$offset * -1.' HOUR)'
+            : 'DATE_ADD('.$field_for_interval.', INTERVAL '.$offset.' HOUR)';
         return $query_interval;
     }
 
@@ -883,16 +882,16 @@ 
     public static function get_timezone_string_for_display()
     {
         $pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
-        if (! empty($pretty_timezone)) {
+        if ( ! empty($pretty_timezone)) {
             return esc_html($pretty_timezone);
         }
         $timezone_string = get_option('timezone_string');
         if ($timezone_string) {
             static $mo_loaded = false;
             // Load translations for continents and cities just like wp_timezone_choice does
-            if (! $mo_loaded) {
+            if ( ! $mo_loaded) {
                 $locale = get_locale();
-                $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+                $mofile = WP_LANG_DIR.'/continents-cities-'.$locale.'.mo';
                 load_textdomain('continents-cities', $mofile);
                 $mo_loaded = true;
             }
@@ -913,16 +912,16 @@ 
         } else {
             $prefix = '';
         }
-        $parts = explode('.', (string)$gmt_offset);
+        $parts = explode('.', (string) $gmt_offset);
         if (count($parts) === 1) {
             $parts[1] = '00';
         } else {
             //convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
             //to minutes, eg 30 or 15, respectively
-            $hour_fraction = (float)('0.' . $parts[1]);
-            $parts[1]      = (string)$hour_fraction * 60;
+            $hour_fraction = (float) ('0.'.$parts[1]);
+            $parts[1]      = (string) $hour_fraction * 60;
         }
-        return sprintf(__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
+        return sprintf(__('UTC%1$s', 'event_espresso'), $prefix.implode(':', $parts));
     }
 
 
@@ -948,7 +947,7 @@ 
      */
     public static function first_of_month_timestamp($month = '')
     {
-        $month = (string)$month;
+        $month = (string) $month;
         $year = '';
         // check if the incoming string has a year in it or not
        if (preg_match('/\b\d{4}\b/', $month, $matches)) {
@@ -972,7 +971,7 @@ 
 		//before adding to the timestamp.  Why? Because we want tomorrow to be for midnight the next day in THIS timezone
 		//not an offset from midnight in UTC.  So if we're starting with UTC 00:00:00, then we want to make sure the
 		//final timestamp is equivalent to midnight in this timezone as represented in GMT.
-		return strtotime('tomorrow') + (self::get_site_timezone_gmt_offset()*-1);
+		return strtotime('tomorrow') + (self::get_site_timezone_gmt_offset() * -1);
 	}
 
 }// end class EEH_DTT_Helper

core/libraries/rest_api/controllers/model/Read.php

Indentation +1233 added lines, -1233 removed lines

@@ -9,7 +9,7 @@ 
 use EE_Datetime_Field;
 
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -27,1238 +27,1238 @@ 
 
 
 
-    /**
-     * @var Calculated_Model_Fields
-     */
-    protected $_fields_calculator;
-
-
-
-    /**
-     * Read constructor.
-     */
-    public function __construct()
-    {
-        parent::__construct();
-        $this->_fields_calculator = new Calculated_Model_Fields();
-    }
-
-
-
-    /**
-     * Handles requests to get all (or a filtered subset) of entities for a particular model
-     *
-     * @param \WP_REST_Request $request
-     * @return \WP_REST_Response|\WP_Error
-     */
-    public static function handle_request_get_all(\WP_REST_Request $request)
-    {
-        $controller = new Read();
-        try {
-            $matches = $controller->parse_route(
-                $request->get_route(),
-                '~' . \EED_Core_Rest_Api::ee_api_namespace_for_regex . '(.*)~',
-                array('version', 'model')
-            );
-            $controller->set_requested_version($matches['version']);
-            $model_name_singular = \EEH_Inflector::singularize_and_upper($matches['model']);
-            if (! $controller->get_model_version_info()->is_model_name_in_this_version($model_name_singular)) {
-                return $controller->send_response(
-                    new \WP_Error(
-                        'endpoint_parsing_error',
-                        sprintf(
-                            __('There is no model for endpoint %s. Please contact event espresso support',
-                                'event_espresso'),
-                            $model_name_singular
-                        )
-                    )
-                );
-            }
-            return $controller->send_response(
-                $controller->get_entities_from_model(
-                    $controller->get_model_version_info()->load_model($model_name_singular),
-                    $request
-                )
-            );
-        } catch (\Exception $e) {
-            return $controller->send_response($e);
-        }
-    }
-
-
-    /**
-     * Prepares and returns schema for any OPTIONS request.
-     *
-     * @param string $model_name  Something like `Event` or `Registration`
-     * @param string $version     The API endpoint version being used.
-     * @return array
-     */
-    public static function handle_schema_request($model_name, $version)
-    {
-        $controller = new Read();
-        try {
-            $controller->set_requested_version($version);
-            if (! $controller->get_model_version_info()->is_model_name_in_this_version($model_name)) {
-                return array();
-            }
-            //get the model for this version
-            $model = $controller->get_model_version_info()->load_model($model_name);
-            $model_schema = new JsonModelSchema($model);
-            return $model_schema->getModelSchemaForRelations(
-                $controller->get_model_version_info()->relation_settings($model),
-                $controller->_customize_schema_for_rest_response(
-                    $model,
-                    $model_schema->getModelSchemaForFields(
-                        $controller->get_model_version_info()->fields_on_model_in_this_version($model),
-                        $model_schema->getInitialSchemaStructure()
-                    )
-                )
-            );
-        } catch (\Exception $e) {
-            return array();
-        }
-    }
-
-
-    /**
-     * This loops through each field in the given schema for the model and does the following:
-     * - add any extra fields that are REST API specific and related to existing fields.
-     * - transform default values into the correct format for a REST API response.
-     *
-     * @param \EEM_Base $model
-     * @param array     $schema
-     * @return array  The final schema.
-     */
-    protected function _customize_schema_for_rest_response(\EEM_Base $model, array $schema)
-    {
-       foreach ($this->get_model_version_info()->fields_on_model_in_this_version($model) as $field_name => $field) {
-           $schema = $this->_translate_defaults_for_rest_response(
-               $field_name,
-               $field,
-               $this->_maybe_add_extra_fields_to_schema($field_name, $field, $schema)
-            );
-       }
-       return $schema;
-    }
-
-
-    /**
-     * This is used to ensure that the 'default' value set in the schema response is formatted correctly for the REST
-     * response.
-     *
-     * @param                      $field_name
-     * @param \EE_Model_Field_Base $field
-     * @param array                $schema
-     * @return array
-     */
-    protected function _translate_defaults_for_rest_response($field_name, \EE_Model_Field_Base $field, array $schema)
-    {
-        if (isset($schema['properties'][$field_name]['default'])) {
-            if (is_array($schema['properties'][$field_name]['default'])) {
-                foreach ($schema['properties'][$field_name]['default'] as $default_key => $default_value) {
-                    if ($default_key === 'raw') {
-                        $schema['properties'][$field_name]['default'][$default_key] = Model_Data_Translator::prepare_field_value_for_json(
-                            $field,
-                            $default_value,
-                            $this->get_model_version_info()->requested_version()
-                        );
-                    }
-                }
-            } else {
-                $schema['properties'][$field_name]['default'] = Model_Data_Translator::prepare_field_value_for_json(
-                    $field,
-                    $schema['properties'][$field_name]['default'],
-                    $this->get_model_version_info()->requested_version()
-                );
-            }
-        }
-        return $schema;
-    }
-
-
-    /**
-     * Adds additional fields to the schema
-     * The REST API returns a GMT value field for each datetime field in the resource.  Thus the description about this
-     * needs to be added to the schema.
-     *
-     * @param                      $field_name
-     * @param \EE_Model_Field_Base $field
-     * @param array                $schema
-     * @return array
-     */
-    protected function _maybe_add_extra_fields_to_schema($field_name, \EE_Model_Field_Base $field, array $schema)
-    {
-        if ($field instanceof EE_Datetime_Field) {
-            $schema['properties'][$field_name . '_gmt'] = $field->getSchema();
-            //modify the description
-            $schema['properties'][$field_name . '_gmt']['description'] = sprintf(
-                esc_html__('%s - the value for this field is in GMT.', 'event_espresso'),
-                $field->get_nicename()
-            );
-        }
-        return $schema;
-    }
-
-
-
-
-    /**
-     * Used to figure out the route from the request when a `WP_REST_Request` object is not available
-     * @return string
-     */
-    protected function get_route_from_request() {
-        if (isset($GLOBALS['wp'])
-            && $GLOBALS['wp'] instanceof \WP
-            && isset($GLOBALS['wp']->query_vars['rest_route'] )
-        ) {
-            return $GLOBALS['wp']->query_vars['rest_route'];
-        } else {
-            return isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '/';
-        }
-    }
-
-
-
-    /**
-     * Gets a single entity related to the model indicated in the path and its id
-     *
-     * @param \WP_REST_Request $request
-     * @return \WP_REST_Response|\WP_Error
-     */
-    public static function handle_request_get_one(\WP_REST_Request $request)
-    {
-        $controller = new Read();
-        try {
-            $matches = $controller->parse_route(
-                $request->get_route(),
-                '~' . \EED_Core_Rest_Api::ee_api_namespace_for_regex . '(.*)/(.*)~',
-                array('version', 'model', 'id'));
-            $controller->set_requested_version($matches['version']);
-            $model_name_singular = \EEH_Inflector::singularize_and_upper($matches['model']);
-            if (! $controller->get_model_version_info()->is_model_name_in_this_version($model_name_singular)) {
-                return $controller->send_response(
-                    new \WP_Error(
-                        'endpoint_parsing_error',
-                        sprintf(
-                            __('There is no model for endpoint %s. Please contact event espresso support',
-                                'event_espresso'),
-                            $model_name_singular
-                        )
-                    )
-                );
-            }
-            return $controller->send_response(
-                $controller->get_entity_from_model(
-                    $controller->get_model_version_info()->load_model($model_name_singular),
-                    $request
-                )
-            );
-        } catch (\Exception $e) {
-            return $controller->send_response($e);
-        }
-    }
-
-
-
-    /**
-     * Gets all the related entities (or if its a belongs-to relation just the one)
-     * to the item with the given id
-     *
-     * @param \WP_REST_Request $request
-     * @return \WP_REST_Response|\WP_Error
-     */
-    public static function handle_request_get_related(\WP_REST_Request $request)
-    {
-        $controller = new Read();
-        try {
-            $matches = $controller->parse_route(
-                $request->get_route(),
-                '~' . \EED_Core_Rest_Api::ee_api_namespace_for_regex . '(.*)/(.*)/(.*)~',
-                array('version', 'model', 'id', 'related_model')
-            );
-            $controller->set_requested_version($matches['version']);
-            $main_model_name_singular = \EEH_Inflector::singularize_and_upper($matches['model']);
-            if (! $controller->get_model_version_info()->is_model_name_in_this_version($main_model_name_singular)) {
-                return $controller->send_response(
-                    new \WP_Error(
-                        'endpoint_parsing_error',
-                        sprintf(
-                            __('There is no model for endpoint %s. Please contact event espresso support',
-                                'event_espresso'),
-                            $main_model_name_singular
-                        )
-                    )
-                );
-            }
-            $main_model = $controller->get_model_version_info()->load_model($main_model_name_singular);
-            //assume the related model name is plural and try to find the model's name
-            $related_model_name_singular = \EEH_Inflector::singularize_and_upper($matches['related_model']);
-            if (! $controller->get_model_version_info()->is_model_name_in_this_version($related_model_name_singular)) {
-                //so the word didn't singularize well. Maybe that's just because it's a singular word?
-                $related_model_name_singular = \EEH_Inflector::humanize($matches['related_model']);
-            }
-            if (! $controller->get_model_version_info()->is_model_name_in_this_version($related_model_name_singular)) {
-                return $controller->send_response(
-                    new \WP_Error(
-                        'endpoint_parsing_error',
-                        sprintf(
-                            __('There is no model for endpoint %s. Please contact event espresso support',
-                                'event_espresso'),
-                            $related_model_name_singular
-                        )
-                    )
-                );
-            }
-            return $controller->send_response(
-                $controller->get_entities_from_relation(
-                    $request->get_param('id'),
-                    $main_model->related_settings_for($related_model_name_singular),
-                    $request
-                )
-            );
-        } catch (\Exception $e) {
-            return $controller->send_response($e);
-        }
-    }
-
-
-
-    /**
-     * Gets a collection for the given model and filters
-     *
-     * @param \EEM_Base        $model
-     * @param \WP_REST_Request $request
-     * @return array|\WP_Error
-     */
-    public function get_entities_from_model($model, $request)
-    {
-        $query_params = $this->create_model_query_params($model, $request->get_params());
-        if (! Capabilities::current_user_has_partial_access_to($model, $query_params['caps'])) {
-            $model_name_plural = \EEH_Inflector::pluralize_and_lower($model->get_this_model_name());
-            return new \WP_Error(
-                sprintf('rest_%s_cannot_list', $model_name_plural),
-                sprintf(
-                    __('Sorry, you are not allowed to list %1$s. Missing permissions: %2$s', 'event_espresso'),
-                    $model_name_plural,
-                    Capabilities::get_missing_permissions_string($model, $query_params['caps'])
-                ),
-                array('status' => 403)
-            );
-        }
-        if (! $request->get_header('no_rest_headers')) {
-            $this->_set_headers_from_query_params($model, $query_params);
-        }
-        /** @type array $results */
-        $results = $model->get_all_wpdb_results($query_params);
-        $nice_results = array();
-        foreach ($results as $result) {
-            $nice_results[] = $this->create_entity_from_wpdb_result(
-                $model,
-                $result,
-                $request
-            );
-        }
-        return $nice_results;
-    }
-
-
-
-    /**
-     * @param array                   $primary_model_query_params query params for finding the item from which
-     *                                                            relations will be based
-     * @param \EE_Model_Relation_Base $relation
-     * @param \WP_REST_Request        $request
-     * @return \WP_Error|array
-     */
-    protected function _get_entities_from_relation($primary_model_query_params, $relation, $request)
-    {
-        $context = $this->validate_context($request->get_param('caps'));
-        $model = $relation->get_this_model();
-        $related_model = $relation->get_other_model();
-        if (! isset($primary_model_query_params[0])) {
-            $primary_model_query_params[0] = array();
-        }
-        //check if they can access the 1st model object
-        $primary_model_query_params = array(
-            0       => $primary_model_query_params[0],
-            'limit' => 1,
-        );
-        if ($model instanceof \EEM_Soft_Delete_Base) {
-            $primary_model_query_params = $model->alter_query_params_so_deleted_and_undeleted_items_included($primary_model_query_params);
-        }
-        $restricted_query_params = $primary_model_query_params;
-        $restricted_query_params['caps'] = $context;
-        $this->_set_debug_info('main model query params', $restricted_query_params);
-        $this->_set_debug_info('missing caps', Capabilities::get_missing_permissions_string($related_model, $context));
-        if (
-        ! (
-            Capabilities::current_user_has_partial_access_to($related_model, $context)
-            && $model->exists($restricted_query_params)
-        )
-        ) {
-            if ($relation instanceof \EE_Belongs_To_Relation) {
-                $related_model_name_maybe_plural = strtolower($related_model->get_this_model_name());
-            } else {
-                $related_model_name_maybe_plural = \EEH_Inflector::pluralize_and_lower($related_model->get_this_model_name());
-            }
-            return new \WP_Error(
-                sprintf('rest_%s_cannot_list', $related_model_name_maybe_plural),
-                sprintf(
-                    __('Sorry, you are not allowed to list %1$s related to %2$s. Missing permissions: %3$s',
-                        'event_espresso'),
-                    $related_model_name_maybe_plural,
-                    $relation->get_this_model()->get_this_model_name(),
-                    implode(
-                        ',',
-                        array_keys(
-                            Capabilities::get_missing_permissions($related_model, $context)
-                        )
-                    )
-                ),
-                array('status' => 403)
-            );
-        }
-        $query_params = $this->create_model_query_params($relation->get_other_model(), $request->get_params());
-        foreach ($primary_model_query_params[0] as $where_condition_key => $where_condition_value) {
-            $query_params[0][$relation->get_this_model()->get_this_model_name()
-                             . '.'
-                             . $where_condition_key] = $where_condition_value;
-        }
-        $query_params['default_where_conditions'] = 'none';
-        $query_params['caps'] = $context;
-        if (! $request->get_header('no_rest_headers')) {
-            $this->_set_headers_from_query_params($relation->get_other_model(), $query_params);
-        }
-        /** @type array $results */
-        $results = $relation->get_other_model()->get_all_wpdb_results($query_params);
-        $nice_results = array();
-        foreach ($results as $result) {
-            $nice_result = $this->create_entity_from_wpdb_result(
-                $relation->get_other_model(),
-                $result,
-                $request
-            );
-            if ($relation instanceof \EE_HABTM_Relation) {
-                //put the unusual stuff (properties from the HABTM relation) first, and make sure
-                //if there are conflicts we prefer the properties from the main model
-                $join_model_result = $this->create_entity_from_wpdb_result(
-                    $relation->get_join_model(),
-                    $result,
-                    $request
-                );
-                $joined_result = array_merge($nice_result, $join_model_result);
-                //but keep the meta stuff from the main model
-                if (isset($nice_result['meta'])) {
-                    $joined_result['meta'] = $nice_result['meta'];
-                }
-                $nice_result = $joined_result;
-            }
-            $nice_results[] = $nice_result;
-        }
-        if ($relation instanceof \EE_Belongs_To_Relation) {
-            return array_shift($nice_results);
-        } else {
-            return $nice_results;
-        }
-    }
-
-
-
-    /**
-     * Gets the collection for given relation object
-     * The same as Read::get_entities_from_model(), except if the relation
-     * is a HABTM relation, in which case it merges any non-foreign-key fields from
-     * the join-model-object into the results
-     *
-     * @param string                  $id the ID of the thing we are fetching related stuff from
-     * @param \EE_Model_Relation_Base $relation
-     * @param \WP_REST_Request        $request
-     * @return array|\WP_Error
-     * @throws \EE_Error
-     */
-    public function get_entities_from_relation($id, $relation, $request)
-    {
-        if (! $relation->get_this_model()->has_primary_key_field()) {
-            throw new \EE_Error(
-                sprintf(
-                    __('Read::get_entities_from_relation should only be called from a model with a primary key, it was called from %1$s',
-                        'event_espresso'),
-                    $relation->get_this_model()->get_this_model_name()
-                )
-            );
-        }
-        return $this->_get_entities_from_relation(
-            array(
-                array(
-                    $relation->get_this_model()->primary_key_name() => $id,
-                ),
-            ),
-            $relation,
-            $request
-        );
-    }
-
-
-
-    /**
-     * Sets the headers that are based on the model and query params,
-     * like the total records. This should only be called on the original request
-     * from the client, not on subsequent internal
-     *
-     * @param \EEM_Base $model
-     * @param array     $query_params
-     * @return void
-     */
-    protected function _set_headers_from_query_params($model, $query_params)
-    {
-        $this->_set_debug_info('model query params', $query_params);
-        $this->_set_debug_info('missing caps',
-            Capabilities::get_missing_permissions_string($model, $query_params['caps']));
-        //normally the limit to a 2-part array, where the 2nd item is the limit
-        if (! isset($query_params['limit'])) {
-            $query_params['limit'] = \EED_Core_Rest_Api::get_default_query_limit();
-        }
-        if (is_array($query_params['limit'])) {
-            $limit_parts = $query_params['limit'];
-        } else {
-            $limit_parts = explode(',', $query_params['limit']);
-            if (count($limit_parts) == 1) {
-                $limit_parts = array(0, $limit_parts[0]);
-            }
-        }
-        //remove the group by and having parts of the query, as those will
-        //make the sql query return an array of values, instead of just a single value
-        unset($query_params['group_by'], $query_params['having'], $query_params['limit']);
-        $count = $model->count($query_params, null, true);
-        $pages = $count / $limit_parts[1];
-        $this->_set_response_header('Total', $count, false);
-        $this->_set_response_header('PageSize', $limit_parts[1], false);
-        $this->_set_response_header('TotalPages', ceil($pages), false);
-    }
-
-
-
-    /**
-     * Changes database results into REST API entities
-     *
-     * @param \EEM_Base        $model
-     * @param array            $db_row     like results from $wpdb->get_results()
-     * @param \WP_REST_Request $rest_request
-     * @param string           $deprecated no longer used
-     * @return array ready for being converted into json for sending to client
-     */
-    public function create_entity_from_wpdb_result($model, $db_row, $rest_request, $deprecated = null)
-    {
-        if (! $rest_request instanceof \WP_REST_Request) {
-            //ok so this was called in the old style, where the 3rd arg was
-            //$include, and the 4th arg was $context
-            //now setup the request just to avoid fatal errors, although we won't be able
-            //to truly make use of it because it's kinda devoid of info
-            $rest_request = new \WP_REST_Request();
-            $rest_request->set_param('include', $rest_request);
-            $rest_request->set_param('caps', $deprecated);
-        }
-        if ($rest_request->get_param('caps') == null) {
-            $rest_request->set_param('caps', \EEM_Base::caps_read);
-        }
-        $entity_array = $this->_create_bare_entity_from_wpdb_results($model, $db_row);
-        $entity_array = $this->_add_extra_fields($model, $db_row, $entity_array);
-        $entity_array['_links'] = $this->_get_entity_links($model, $db_row, $entity_array);
-        $entity_array['_calculated_fields'] = $this->_get_entity_calculations($model, $db_row, $rest_request);
-        $entity_array = $this->_include_requested_models($model, $rest_request, $entity_array, $db_row);
-        $entity_array = apply_filters(
-            'FHEE__Read__create_entity_from_wpdb_results__entity_before_inaccessible_field_removal',
-            $entity_array,
-            $model,
-            $rest_request->get_param('caps'),
-            $rest_request,
-            $this
-        );
-        $result_without_inaccessible_fields = Capabilities::filter_out_inaccessible_entity_fields(
-            $entity_array,
-            $model,
-            $rest_request->get_param('caps'),
-            $this->get_model_version_info(),
-            $model->get_index_primary_key_string(
-                $model->deduce_fields_n_values_from_cols_n_values($db_row)
-            )
-        );
-        $this->_set_debug_info(
-            'inaccessible fields',
-            array_keys(array_diff_key($entity_array, $result_without_inaccessible_fields))
-        );
-        return apply_filters(
-            'FHEE__Read__create_entity_from_wpdb_results__entity_return',
-            $result_without_inaccessible_fields,
-            $model,
-            $rest_request->get_param('caps')
-        );
-    }
-
-
-
-    /**
-     * Creates a REST entity array (JSON object we're going to return in the response, but
-     * for now still a PHP array, but soon enough we'll call json_encode on it, don't worry),
-     * from $wpdb->get_row( $sql, ARRAY_A)
-     *
-     * @param \EEM_Base $model
-     * @param array     $db_row
-     * @return array entity mostly ready for converting to JSON and sending in the response
-     */
-    protected function _create_bare_entity_from_wpdb_results(\EEM_Base $model, $db_row)
-    {
-        $result = $model->deduce_fields_n_values_from_cols_n_values($db_row);
-        $result = array_intersect_key($result,
-            $this->get_model_version_info()->fields_on_model_in_this_version($model));
-        foreach ($result as $field_name => $raw_field_value) {
-            $field_obj = $model->field_settings_for($field_name);
-            $field_value = $field_obj->prepare_for_set_from_db($raw_field_value);
-            if ($this->is_subclass_of_one($field_obj, $this->get_model_version_info()->fields_ignored())) {
-                unset($result[$field_name]);
-            } elseif (
-            $this->is_subclass_of_one($field_obj, $this->get_model_version_info()->fields_that_have_rendered_format())
-            ) {
-                $result[$field_name] = array(
-                    'raw'      => $field_obj->prepare_for_get($field_value),
-                    'rendered' => $field_obj->prepare_for_pretty_echoing($field_value),
-                );
-            } elseif (
-            $this->is_subclass_of_one($field_obj, $this->get_model_version_info()->fields_that_have_pretty_format())
-            ) {
-                $result[$field_name] = array(
-                    'raw'    => $field_obj->prepare_for_get($field_value),
-                    'pretty' => $field_obj->prepare_for_pretty_echoing($field_value),
-                );
-            } elseif ($field_obj instanceof \EE_Datetime_Field) {
-                if ($field_value instanceof \DateTime) {
-                    $timezone = $field_value->getTimezone();
-                    $field_value->setTimezone(new \DateTimeZone('UTC'));
-                    $result[$field_name . '_gmt'] = Model_Data_Translator::prepare_field_value_for_json(
-                        $field_obj,
-                        $field_value,
-                        $this->get_model_version_info()->requested_version()
-                    );
-                    $field_value->setTimezone($timezone);
-                    $result[$field_name] = Model_Data_Translator::prepare_field_value_for_json(
-                        $field_obj,
-                        $field_value,
-                        $this->get_model_version_info()->requested_version()
-                    );
-                }
-            } else {
-                $result[$field_name] = Model_Data_Translator::prepare_field_value_for_json(
-                    $field_obj,
-                    $field_obj->prepare_for_get($field_value),
-                    $this->get_model_version_info()->requested_version()
-                );
-            }
-        }
-        return $result;
-    }
-
-
-
-    /**
-     * Adds a few extra fields to the entity response
-     *
-     * @param \EEM_Base $model
-     * @param array     $db_row
-     * @param array     $entity_array
-     * @return array modified entity
-     */
-    protected function _add_extra_fields(\EEM_Base $model, $db_row, $entity_array)
-    {
-        if ($model instanceof \EEM_CPT_Base) {
-            $entity_array['link'] = get_permalink($db_row[$model->get_primary_key_field()->get_qualified_column()]);
-        }
-        return $entity_array;
-    }
-
-
-
-    /**
-     * Gets links we want to add to the response
-     *
-     * @global \WP_REST_Server $wp_rest_server
-     * @param \EEM_Base        $model
-     * @param array            $db_row
-     * @param array            $entity_array
-     * @return array the _links item in the entity
-     */
-    protected function _get_entity_links($model, $db_row, $entity_array)
-    {
-        //add basic links
-        $links = array();
-        if ($model->has_primary_key_field()) {
-            $links['self'] = array(
-                array(
-                    'href' => $this->get_versioned_link_to(
-                        \EEH_Inflector::pluralize_and_lower($model->get_this_model_name())
-                        . '/'
-                        . $entity_array[$model->primary_key_name()]
-                    ),
-                ),
-            );
-        }
-        $links['collection'] = array(
-            array(
-                'href' => $this->get_versioned_link_to(
-                    \EEH_Inflector::pluralize_and_lower($model->get_this_model_name())
-                ),
-            ),
-        );
-        //add links to related models
-        if ($model->has_primary_key_field()) {
-            foreach ($this->get_model_version_info()->relation_settings($model) as $relation_name => $relation_obj) {
-                $related_model_part = Read::get_related_entity_name($relation_name, $relation_obj);
-                $links[\EED_Core_Rest_Api::ee_api_link_namespace . $related_model_part] = array(
-                    array(
-                        'href'   => $this->get_versioned_link_to(
-                            \EEH_Inflector::pluralize_and_lower($model->get_this_model_name())
-                            . '/'
-                            . $entity_array[$model->primary_key_name()]
-                            . '/'
-                            . $related_model_part
-                        ),
-                        'single' => $relation_obj instanceof \EE_Belongs_To_Relation ? true : false,
-                    ),
-                );
-            }
-        }
-        return $links;
-    }
-
-
-
-    /**
-     * Adds the included models indicated in the request to the entity provided
-     *
-     * @param \EEM_Base        $model
-     * @param \WP_REST_Request $rest_request
-     * @param array            $entity_array
-     * @param array            $db_row
-     * @return array the modified entity
-     */
-    protected function _include_requested_models(
-        \EEM_Base $model,
-        \WP_REST_Request $rest_request,
-        $entity_array,
-        $db_row = array()
-    ) {
-        //if $db_row not included, hope the entity array has what we need
-        if (! $db_row) {
-            $db_row = $entity_array;
-        }
-        $includes_for_this_model = $this->explode_and_get_items_prefixed_with($rest_request->get_param('include'), '');
-        $includes_for_this_model = $this->_remove_model_names_from_array($includes_for_this_model);
-        //if they passed in * or didn't specify any includes, return everything
-        if (! in_array('*', $includes_for_this_model)
-            && ! empty($includes_for_this_model)
-        ) {
-            if ($model->has_primary_key_field()) {
-                //always include the primary key. ya just gotta know that at least
-                $includes_for_this_model[] = $model->primary_key_name();
-            }
-            if ($this->explode_and_get_items_prefixed_with($rest_request->get_param('calculate'), '')) {
-                $includes_for_this_model[] = '_calculated_fields';
-            }
-            $entity_array = array_intersect_key($entity_array, array_flip($includes_for_this_model));
-        }
-        $relation_settings = $this->get_model_version_info()->relation_settings($model);
-        foreach ($relation_settings as $relation_name => $relation_obj) {
-            $related_fields_to_include = $this->explode_and_get_items_prefixed_with(
-                $rest_request->get_param('include'),
-                $relation_name
-            );
-            $related_fields_to_calculate = $this->explode_and_get_items_prefixed_with(
-                $rest_request->get_param('calculate'),
-                $relation_name
-            );
-            //did they specify they wanted to include a related model, or
-            //specific fields from a related model?
-            //or did they specify to calculate a field from a related model?
-            if ($related_fields_to_include || $related_fields_to_calculate) {
-                //if so, we should include at least some part of the related model
-                $pretend_related_request = new \WP_REST_Request();
-                $pretend_related_request->set_query_params(
-                    array(
-                        'caps'      => $rest_request->get_param('caps'),
-                        'include'   => $related_fields_to_include,
-                        'calculate' => $related_fields_to_calculate,
-                    )
-                );
-                $pretend_related_request->add_header('no_rest_headers', true);
-                $primary_model_query_params = $model->alter_query_params_to_restrict_by_ID(
-                    $model->get_index_primary_key_string(
-                        $model->deduce_fields_n_values_from_cols_n_values($db_row)
-                    )
-                );
-                $related_results = $this->_get_entities_from_relation(
-                    $primary_model_query_params,
-                    $relation_obj,
-                    $pretend_related_request
-                );
-                $entity_array[Read::get_related_entity_name($relation_name, $relation_obj)] = $related_results
-                                                                                              instanceof
-                                                                                              \WP_Error
-                    ? null
-                    : $related_results;
-            }
-        }
-        return $entity_array;
-    }
-
-
-
-    /**
-     * Returns a new array with all the names of models removed. Eg
-     * array( 'Event', 'Datetime.*', 'foobar' ) would become array( 'Datetime.*', 'foobar' )
-     *
-     * @param array $arr
-     * @return array
-     */
-    private function _remove_model_names_from_array($arr)
-    {
-        return array_diff($arr, array_keys(\EE_Registry::instance()->non_abstract_db_models));
-    }
-
-
-
-    /**
-     * Gets the calculated fields for the response
-     *
-     * @param \EEM_Base        $model
-     * @param array            $wpdb_row
-     * @param \WP_REST_Request $rest_request
-     * @return \stdClass the _calculations item in the entity
-     */
-    protected function _get_entity_calculations($model, $wpdb_row, $rest_request)
-    {
-        $calculated_fields = $this->explode_and_get_items_prefixed_with(
-            $rest_request->get_param('calculate'),
-            ''
-        );
-        //note: setting calculate=* doesn't do anything
-        $calculated_fields_to_return = new \stdClass();
-        foreach ($calculated_fields as $field_to_calculate) {
-            try {
-                $calculated_fields_to_return->$field_to_calculate = Model_Data_Translator::prepare_field_value_for_json(
-                    null,
-                    $this->_fields_calculator->retrieve_calculated_field_value(
-                        $model,
-                        $field_to_calculate,
-                        $wpdb_row,
-                        $rest_request,
-                        $this
-                    ),
-                    $this->get_model_version_info()->requested_version()
-                );
-            } catch (Rest_Exception $e) {
-                //if we don't have permission to read it, just leave it out. but let devs know about the problem
-                $this->_set_response_header(
-                    'Notices-Field-Calculation-Errors['
-                    . $e->get_string_code()
-                    . ']['
-                    . $model->get_this_model_name()
-                    . ']['
-                    . $field_to_calculate
-                    . ']',
-                    $e->getMessage(),
-                    true
-                );
-            }
-        }
-        return $calculated_fields_to_return;
-    }
-
-
-
-    /**
-     * Gets the full URL to the resource, taking the requested version into account
-     *
-     * @param string $link_part_after_version_and_slash eg "events/10/datetimes"
-     * @return string url eg "http://mysite.com/wp-json/ee/v4.6/events/10/datetimes"
-     */
-    public function get_versioned_link_to($link_part_after_version_and_slash)
-    {
-        return rest_url(
-            \EED_Core_Rest_Api::ee_api_namespace
-            . $this->get_model_version_info()->requested_version()
-            . '/'
-            . $link_part_after_version_and_slash
-        );
-    }
-
-
-
-    /**
-     * Gets the correct lowercase name for the relation in the API according
-     * to the relation's type
-     *
-     * @param string                  $relation_name
-     * @param \EE_Model_Relation_Base $relation_obj
-     * @return string
-     */
-    public static function get_related_entity_name($relation_name, $relation_obj)
-    {
-        if ($relation_obj instanceof \EE_Belongs_To_Relation) {
-            return strtolower($relation_name);
-        } else {
-            return \EEH_Inflector::pluralize_and_lower($relation_name);
-        }
-    }
-
-
-
-    /**
-     * Gets the one model object with the specified id for the specified model
-     *
-     * @param \EEM_Base        $model
-     * @param \WP_REST_Request $request
-     * @return array|\WP_Error
-     */
-    public function get_entity_from_model($model, $request)
-    {
-        $query_params = array(array($model->primary_key_name() => $request->get_param('id')), 'limit' => 1);
-        if ($model instanceof \EEM_Soft_Delete_Base) {
-            $query_params = $model->alter_query_params_so_deleted_and_undeleted_items_included($query_params);
-        }
-        $restricted_query_params = $query_params;
-        $restricted_query_params['caps'] = $this->validate_context($request->get_param('caps'));
-        $this->_set_debug_info('model query params', $restricted_query_params);
-        $model_rows = $model->get_all_wpdb_results($restricted_query_params);
-        if (! empty ($model_rows)) {
-            return $this->create_entity_from_wpdb_result(
-                $model,
-                array_shift($model_rows),
-                $request);
-        } else {
-            //ok let's test to see if we WOULD have found it, had we not had restrictions from missing capabilities
-            $lowercase_model_name = strtolower($model->get_this_model_name());
-            $model_rows_found_sans_restrictions = $model->get_all_wpdb_results($query_params);
-            if (! empty($model_rows_found_sans_restrictions)) {
-                //you got shafted- it existed but we didn't want to tell you!
-                return new \WP_Error(
-                    'rest_user_cannot_read',
-                    sprintf(
-                        __('Sorry, you cannot read this %1$s. Missing permissions are: %2$s', 'event_espresso'),
-                        strtolower($model->get_this_model_name()),
-                        Capabilities::get_missing_permissions_string(
-                            $model,
-                            $this->validate_context($request->get_param('caps')))
-                    ),
-                    array('status' => 403)
-                );
-            } else {
-                //it's not you. It just doesn't exist
-                return new \WP_Error(
-                    sprintf('rest_%s_invalid_id', $lowercase_model_name),
-                    sprintf(__('Invalid %s ID.', 'event_espresso'), $lowercase_model_name),
-                    array('status' => 404)
-                );
-            }
-        }
-    }
-
-
-
-    /**
-     * If a context is provided which isn't valid, maybe it was added in a future
-     * version so just treat it as a default read
-     *
-     * @param string $context
-     * @return string array key of EEM_Base::cap_contexts_to_cap_action_map()
-     */
-    public function validate_context($context)
-    {
-        if (! $context) {
-            $context = \EEM_Base::caps_read;
-        }
-        $valid_contexts = \EEM_Base::valid_cap_contexts();
-        if (in_array($context, $valid_contexts)) {
-            return $context;
-        } else {
-            return \EEM_Base::caps_read;
-        }
-    }
-
-
-
-    /**
-     * Verifies the passed in value is an allowable default where conditions value.
-     *
-     * @param $default_query_params
-     * @return string
-     */
-    public function validate_default_query_params($default_query_params)
-    {
-        $valid_default_where_conditions_for_api_calls = array(
-            \EEM_Base::default_where_conditions_all,
-            \EEM_Base::default_where_conditions_minimum_all,
-            \EEM_Base::default_where_conditions_minimum_others,
-        );
-        if (! $default_query_params) {
-            $default_query_params = \EEM_Base::default_where_conditions_all;
-        }
-        if (
-        in_array(
-            $default_query_params,
-            $valid_default_where_conditions_for_api_calls,
-            true
-        )
-        ) {
-            return $default_query_params;
-        } else {
-            return \EEM_Base::default_where_conditions_all;
-        }
-    }
-
-
-
-    /**
-     * Translates API filter get parameter into $query_params array used by EEM_Base::get_all().
-     * Note: right now the query parameter keys for fields (and related fields)
-     * can be left as-is, but it's quite possible this will change someday.
-     * Also, this method's contents might be candidate for moving to Model_Data_Translator
-     *
-     * @param \EEM_Base $model
-     * @param array     $query_parameters from $_GET parameter @see Read:handle_request_get_all
-     * @return array like what EEM_Base::get_all() expects or FALSE to indicate
-     *                                    that absolutely no results should be returned
-     * @throws \EE_Error
-     */
-    public function create_model_query_params($model, $query_parameters)
-    {
-        $model_query_params = array();
-        if (isset($query_parameters['where'])) {
-            $model_query_params[0] = Model_Data_Translator::prepare_conditions_query_params_for_models(
-                $query_parameters['where'],
-                $model,
-                $this->get_model_version_info()->requested_version()
-            );
-        }
-        if (isset($query_parameters['order_by'])) {
-            $order_by = $query_parameters['order_by'];
-        } elseif (isset($query_parameters['orderby'])) {
-            $order_by = $query_parameters['orderby'];
-        } else {
-            $order_by = null;
-        }
-        if ($order_by !== null) {
-            if (is_array($order_by)) {
-                $order_by = Model_Data_Translator::prepare_field_names_in_array_keys_from_json($order_by);
-            } else {
-                //it's a single item
-                $order_by = Model_Data_Translator::prepare_field_name_from_json($order_by);
-            }
-            $model_query_params['order_by'] = $order_by;
-        }
-        if (isset($query_parameters['group_by'])) {
-            $group_by = $query_parameters['group_by'];
-        } elseif (isset($query_parameters['groupby'])) {
-            $group_by = $query_parameters['groupby'];
-        } else {
-            $group_by = array_keys($model->get_combined_primary_key_fields());
-        }
-        //make sure they're all real names
-        if (is_array($group_by)) {
-            $group_by = Model_Data_Translator::prepare_field_names_from_json($group_by);
-        }
-        if ($group_by !== null) {
-            $model_query_params['group_by'] = $group_by;
-        }
-        if (isset($query_parameters['having'])) {
-            $model_query_params['having'] = Model_Data_Translator::prepare_conditions_query_params_for_models(
-                $query_parameters['having'],
-                $model,
-                $this->get_model_version_info()->requested_version()
-            );
-        }
-        if (isset($query_parameters['order'])) {
-            $model_query_params['order'] = $query_parameters['order'];
-        }
-        if (isset($query_parameters['mine'])) {
-            $model_query_params = $model->alter_query_params_to_only_include_mine($model_query_params);
-        }
-        if (isset($query_parameters['limit'])) {
-            //limit should be either a string like '23' or '23,43', or an array with two items in it
-            if (! is_array($query_parameters['limit'])) {
-                $limit_array = explode(',', (string)$query_parameters['limit']);
-            } else {
-                $limit_array = $query_parameters['limit'];
-            }
-            $sanitized_limit = array();
-            foreach ($limit_array as $key => $limit_part) {
-                if ($this->_debug_mode && (! is_numeric($limit_part) || count($sanitized_limit) > 2)) {
-                    throw new \EE_Error(
-                        sprintf(
-                            __('An invalid limit filter was provided. It was: %s. If the EE4 JSON REST API weren\'t in debug mode, this message would not appear.',
-                                'event_espresso'),
-                            wp_json_encode($query_parameters['limit'])
-                        )
-                    );
-                }
-                $sanitized_limit[] = (int)$limit_part;
-            }
-            $model_query_params['limit'] = implode(',', $sanitized_limit);
-        } else {
-            $model_query_params['limit'] = \EED_Core_Rest_Api::get_default_query_limit();
-        }
-        if (isset($query_parameters['caps'])) {
-            $model_query_params['caps'] = $this->validate_context($query_parameters['caps']);
-        } else {
-            $model_query_params['caps'] = \EEM_Base::caps_read;
-        }
-        if (isset($query_parameters['default_where_conditions'])) {
-            $model_query_params['default_where_conditions'] = $this->validate_default_query_params($query_parameters['default_where_conditions']);
-        }
-        return apply_filters('FHEE__Read__create_model_query_params', $model_query_params, $query_parameters, $model);
-    }
-
-
-
-    /**
-     * Changes the REST-style query params for use in the models
-     *
-     * @deprecated
-     * @param \EEM_Base $model
-     * @param array     $query_params sub-array from @see EEM_Base::get_all()
-     * @return array
-     */
-    public function prepare_rest_query_params_key_for_models($model, $query_params)
-    {
-        $model_ready_query_params = array();
-        foreach ($query_params as $key => $value) {
-            if (is_array($value)) {
-                $model_ready_query_params[$key] = $this->prepare_rest_query_params_key_for_models($model, $value);
-            } else {
-                $model_ready_query_params[$key] = $value;
-            }
-        }
-        return $model_ready_query_params;
-    }
-
-
-
-    /**
-     * @deprecated
-     * @param $model
-     * @param $query_params
-     * @return array
-     */
-    public function prepare_rest_query_params_values_for_models($model, $query_params)
-    {
-        $model_ready_query_params = array();
-        foreach ($query_params as $key => $value) {
-            if (is_array($value)) {
-                $model_ready_query_params[$key] = $this->prepare_rest_query_params_values_for_models($model, $value);
-            } else {
-                $model_ready_query_params[$key] = $value;
-            }
-        }
-        return $model_ready_query_params;
-    }
-
-
-
-    /**
-     * Explodes the string on commas, and only returns items with $prefix followed by a period.
-     * If no prefix is specified, returns items with no period.
-     *
-     * @param string|array $string_to_explode eg "jibba,jabba, blah, blaabla" or array('jibba', 'jabba' )
-     * @param string       $prefix            "Event" or "foobar"
-     * @return array $string_to_exploded exploded on COMMAS, and if a prefix was specified
-     *                                        we only return strings starting with that and a period; if no prefix was
-     *                                        specified we return all items containing NO periods
-     */
-    public function explode_and_get_items_prefixed_with($string_to_explode, $prefix)
-    {
-        if (is_string($string_to_explode)) {
-            $exploded_contents = explode(',', $string_to_explode);
-        } else if (is_array($string_to_explode)) {
-            $exploded_contents = $string_to_explode;
-        } else {
-            $exploded_contents = array();
-        }
-        //if the string was empty, we want an empty array
-        $exploded_contents = array_filter($exploded_contents);
-        $contents_with_prefix = array();
-        foreach ($exploded_contents as $item) {
-            $item = trim($item);
-            //if no prefix was provided, so we look for items with no "." in them
-            if (! $prefix) {
-                //does this item have a period?
-                if (strpos($item, '.') === false) {
-                    //if not, then its what we're looking for
-                    $contents_with_prefix[] = $item;
-                }
-            } else if (strpos($item, $prefix . '.') === 0) {
-                //this item has the prefix and a period, grab it
-                $contents_with_prefix[] = substr(
-                    $item,
-                    strpos($item, $prefix . '.') + strlen($prefix . '.')
-                );
-            } else if ($item === $prefix) {
-                //this item is JUST the prefix
-                //so let's grab everything after, which is a blank string
-                $contents_with_prefix[] = '';
-            }
-        }
-        return $contents_with_prefix;
-    }
-
-
-
-    /**
-     * @deprecated since 4.8.36.rc.001 You should instead use Read::explode_and_get_items_prefixed_with.
-     * Deprecated because its return values were really quite confusing- sometimes it returned
-     * an empty array (when the include string was blank or '*') or sometimes it returned
-     * array('*') (when you provided a model and a model of that kind was found).
-     * Parses the $include_string so we fetch all the field names relating to THIS model
-     * (ie have NO period in them), or for the provided model (ie start with the model
-     * name and then a period).
-     * @param string $include_string @see Read:handle_request_get_all
-     * @param string $model_name
-     * @return array of fields for this model. If $model_name is provided, then
-     *                               the fields for that model, with the model's name removed from each.
-     *                               If $include_string was blank or '*' returns an empty array
-     */
-    public function extract_includes_for_this_model($include_string, $model_name = null)
-    {
-        if (is_array($include_string)) {
-            $include_string = implode(',', $include_string);
-        }
-        if ($include_string === '*' || $include_string === '') {
-            return array();
-        }
-        $includes = explode(',', $include_string);
-        $extracted_fields_to_include = array();
-        if ($model_name) {
-            foreach ($includes as $field_to_include) {
-                $field_to_include = trim($field_to_include);
-                if (strpos($field_to_include, $model_name . '.') === 0) {
-                    //found the model name at the exact start
-                    $field_sans_model_name = str_replace($model_name . '.', '', $field_to_include);
-                    $extracted_fields_to_include[] = $field_sans_model_name;
-                } elseif ($field_to_include == $model_name) {
-                    $extracted_fields_to_include[] = '*';
-                }
-            }
-        } else {
-            //look for ones with no period
-            foreach ($includes as $field_to_include) {
-                $field_to_include = trim($field_to_include);
-                if (
-                    strpos($field_to_include, '.') === false
-                    && ! $this->get_model_version_info()->is_model_name_in_this_version($field_to_include)
-                ) {
-                    $extracted_fields_to_include[] = $field_to_include;
-                }
-            }
-        }
-        return $extracted_fields_to_include;
-    }
+	/**
+	 * @var Calculated_Model_Fields
+	 */
+	protected $_fields_calculator;
+
+
+
+	/**
+	 * Read constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->_fields_calculator = new Calculated_Model_Fields();
+	}
+
+
+
+	/**
+	 * Handles requests to get all (or a filtered subset) of entities for a particular model
+	 *
+	 * @param \WP_REST_Request $request
+	 * @return \WP_REST_Response|\WP_Error
+	 */
+	public static function handle_request_get_all(\WP_REST_Request $request)
+	{
+		$controller = new Read();
+		try {
+			$matches = $controller->parse_route(
+				$request->get_route(),
+				'~' . \EED_Core_Rest_Api::ee_api_namespace_for_regex . '(.*)~',
+				array('version', 'model')
+			);
+			$controller->set_requested_version($matches['version']);
+			$model_name_singular = \EEH_Inflector::singularize_and_upper($matches['model']);
+			if (! $controller->get_model_version_info()->is_model_name_in_this_version($model_name_singular)) {
+				return $controller->send_response(
+					new \WP_Error(
+						'endpoint_parsing_error',
+						sprintf(
+							__('There is no model for endpoint %s. Please contact event espresso support',
+								'event_espresso'),
+							$model_name_singular
+						)
+					)
+				);
+			}
+			return $controller->send_response(
+				$controller->get_entities_from_model(
+					$controller->get_model_version_info()->load_model($model_name_singular),
+					$request
+				)
+			);
+		} catch (\Exception $e) {
+			return $controller->send_response($e);
+		}
+	}
+
+
+	/**
+	 * Prepares and returns schema for any OPTIONS request.
+	 *
+	 * @param string $model_name  Something like `Event` or `Registration`
+	 * @param string $version     The API endpoint version being used.
+	 * @return array
+	 */
+	public static function handle_schema_request($model_name, $version)
+	{
+		$controller = new Read();
+		try {
+			$controller->set_requested_version($version);
+			if (! $controller->get_model_version_info()->is_model_name_in_this_version($model_name)) {
+				return array();
+			}
+			//get the model for this version
+			$model = $controller->get_model_version_info()->load_model($model_name);
+			$model_schema = new JsonModelSchema($model);
+			return $model_schema->getModelSchemaForRelations(
+				$controller->get_model_version_info()->relation_settings($model),
+				$controller->_customize_schema_for_rest_response(
+					$model,
+					$model_schema->getModelSchemaForFields(
+						$controller->get_model_version_info()->fields_on_model_in_this_version($model),
+						$model_schema->getInitialSchemaStructure()
+					)
+				)
+			);
+		} catch (\Exception $e) {
+			return array();
+		}
+	}
+
+
+	/**
+	 * This loops through each field in the given schema for the model and does the following:
+	 * - add any extra fields that are REST API specific and related to existing fields.
+	 * - transform default values into the correct format for a REST API response.
+	 *
+	 * @param \EEM_Base $model
+	 * @param array     $schema
+	 * @return array  The final schema.
+	 */
+	protected function _customize_schema_for_rest_response(\EEM_Base $model, array $schema)
+	{
+	   foreach ($this->get_model_version_info()->fields_on_model_in_this_version($model) as $field_name => $field) {
+		   $schema = $this->_translate_defaults_for_rest_response(
+			   $field_name,
+			   $field,
+			   $this->_maybe_add_extra_fields_to_schema($field_name, $field, $schema)
+			);
+	   }
+	   return $schema;
+	}
+
+
+	/**
+	 * This is used to ensure that the 'default' value set in the schema response is formatted correctly for the REST
+	 * response.
+	 *
+	 * @param                      $field_name
+	 * @param \EE_Model_Field_Base $field
+	 * @param array                $schema
+	 * @return array
+	 */
+	protected function _translate_defaults_for_rest_response($field_name, \EE_Model_Field_Base $field, array $schema)
+	{
+		if (isset($schema['properties'][$field_name]['default'])) {
+			if (is_array($schema['properties'][$field_name]['default'])) {
+				foreach ($schema['properties'][$field_name]['default'] as $default_key => $default_value) {
+					if ($default_key === 'raw') {
+						$schema['properties'][$field_name]['default'][$default_key] = Model_Data_Translator::prepare_field_value_for_json(
+							$field,
+							$default_value,
+							$this->get_model_version_info()->requested_version()
+						);
+					}
+				}
+			} else {
+				$schema['properties'][$field_name]['default'] = Model_Data_Translator::prepare_field_value_for_json(
+					$field,
+					$schema['properties'][$field_name]['default'],
+					$this->get_model_version_info()->requested_version()
+				);
+			}
+		}
+		return $schema;
+	}
+
+
+	/**
+	 * Adds additional fields to the schema
+	 * The REST API returns a GMT value field for each datetime field in the resource.  Thus the description about this
+	 * needs to be added to the schema.
+	 *
+	 * @param                      $field_name
+	 * @param \EE_Model_Field_Base $field
+	 * @param array                $schema
+	 * @return array
+	 */
+	protected function _maybe_add_extra_fields_to_schema($field_name, \EE_Model_Field_Base $field, array $schema)
+	{
+		if ($field instanceof EE_Datetime_Field) {
+			$schema['properties'][$field_name . '_gmt'] = $field->getSchema();
+			//modify the description
+			$schema['properties'][$field_name . '_gmt']['description'] = sprintf(
+				esc_html__('%s - the value for this field is in GMT.', 'event_espresso'),
+				$field->get_nicename()
+			);
+		}
+		return $schema;
+	}
+
+
+
+
+	/**
+	 * Used to figure out the route from the request when a `WP_REST_Request` object is not available
+	 * @return string
+	 */
+	protected function get_route_from_request() {
+		if (isset($GLOBALS['wp'])
+			&& $GLOBALS['wp'] instanceof \WP
+			&& isset($GLOBALS['wp']->query_vars['rest_route'] )
+		) {
+			return $GLOBALS['wp']->query_vars['rest_route'];
+		} else {
+			return isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '/';
+		}
+	}
+
+
+
+	/**
+	 * Gets a single entity related to the model indicated in the path and its id
+	 *
+	 * @param \WP_REST_Request $request
+	 * @return \WP_REST_Response|\WP_Error
+	 */
+	public static function handle_request_get_one(\WP_REST_Request $request)
+	{
+		$controller = new Read();
+		try {
+			$matches = $controller->parse_route(
+				$request->get_route(),
+				'~' . \EED_Core_Rest_Api::ee_api_namespace_for_regex . '(.*)/(.*)~',
+				array('version', 'model', 'id'));
+			$controller->set_requested_version($matches['version']);
+			$model_name_singular = \EEH_Inflector::singularize_and_upper($matches['model']);
+			if (! $controller->get_model_version_info()->is_model_name_in_this_version($model_name_singular)) {
+				return $controller->send_response(
+					new \WP_Error(
+						'endpoint_parsing_error',
+						sprintf(
+							__('There is no model for endpoint %s. Please contact event espresso support',
+								'event_espresso'),
+							$model_name_singular
+						)
+					)
+				);
+			}
+			return $controller->send_response(
+				$controller->get_entity_from_model(
+					$controller->get_model_version_info()->load_model($model_name_singular),
+					$request
+				)
+			);
+		} catch (\Exception $e) {
+			return $controller->send_response($e);
+		}
+	}
+
+
+
+	/**
+	 * Gets all the related entities (or if its a belongs-to relation just the one)
+	 * to the item with the given id
+	 *
+	 * @param \WP_REST_Request $request
+	 * @return \WP_REST_Response|\WP_Error
+	 */
+	public static function handle_request_get_related(\WP_REST_Request $request)
+	{
+		$controller = new Read();
+		try {
+			$matches = $controller->parse_route(
+				$request->get_route(),
+				'~' . \EED_Core_Rest_Api::ee_api_namespace_for_regex . '(.*)/(.*)/(.*)~',
+				array('version', 'model', 'id', 'related_model')
+			);
+			$controller->set_requested_version($matches['version']);
+			$main_model_name_singular = \EEH_Inflector::singularize_and_upper($matches['model']);
+			if (! $controller->get_model_version_info()->is_model_name_in_this_version($main_model_name_singular)) {
+				return $controller->send_response(
+					new \WP_Error(
+						'endpoint_parsing_error',
+						sprintf(
+							__('There is no model for endpoint %s. Please contact event espresso support',
+								'event_espresso'),
+							$main_model_name_singular
+						)
+					)
+				);
+			}
+			$main_model = $controller->get_model_version_info()->load_model($main_model_name_singular);
+			//assume the related model name is plural and try to find the model's name
+			$related_model_name_singular = \EEH_Inflector::singularize_and_upper($matches['related_model']);
+			if (! $controller->get_model_version_info()->is_model_name_in_this_version($related_model_name_singular)) {
+				//so the word didn't singularize well. Maybe that's just because it's a singular word?
+				$related_model_name_singular = \EEH_Inflector::humanize($matches['related_model']);
+			}
+			if (! $controller->get_model_version_info()->is_model_name_in_this_version($related_model_name_singular)) {
+				return $controller->send_response(
+					new \WP_Error(
+						'endpoint_parsing_error',
+						sprintf(
+							__('There is no model for endpoint %s. Please contact event espresso support',
+								'event_espresso'),
+							$related_model_name_singular
+						)
+					)
+				);
+			}
+			return $controller->send_response(
+				$controller->get_entities_from_relation(
+					$request->get_param('id'),
+					$main_model->related_settings_for($related_model_name_singular),
+					$request
+				)
+			);
+		} catch (\Exception $e) {
+			return $controller->send_response($e);
+		}
+	}
+
+
+
+	/**
+	 * Gets a collection for the given model and filters
+	 *
+	 * @param \EEM_Base        $model
+	 * @param \WP_REST_Request $request
+	 * @return array|\WP_Error
+	 */
+	public function get_entities_from_model($model, $request)
+	{
+		$query_params = $this->create_model_query_params($model, $request->get_params());
+		if (! Capabilities::current_user_has_partial_access_to($model, $query_params['caps'])) {
+			$model_name_plural = \EEH_Inflector::pluralize_and_lower($model->get_this_model_name());
+			return new \WP_Error(
+				sprintf('rest_%s_cannot_list', $model_name_plural),
+				sprintf(
+					__('Sorry, you are not allowed to list %1$s. Missing permissions: %2$s', 'event_espresso'),
+					$model_name_plural,
+					Capabilities::get_missing_permissions_string($model, $query_params['caps'])
+				),
+				array('status' => 403)
+			);
+		}
+		if (! $request->get_header('no_rest_headers')) {
+			$this->_set_headers_from_query_params($model, $query_params);
+		}
+		/** @type array $results */
+		$results = $model->get_all_wpdb_results($query_params);
+		$nice_results = array();
+		foreach ($results as $result) {
+			$nice_results[] = $this->create_entity_from_wpdb_result(
+				$model,
+				$result,
+				$request
+			);
+		}
+		return $nice_results;
+	}
+
+
+
+	/**
+	 * @param array                   $primary_model_query_params query params for finding the item from which
+	 *                                                            relations will be based
+	 * @param \EE_Model_Relation_Base $relation
+	 * @param \WP_REST_Request        $request
+	 * @return \WP_Error|array
+	 */
+	protected function _get_entities_from_relation($primary_model_query_params, $relation, $request)
+	{
+		$context = $this->validate_context($request->get_param('caps'));
+		$model = $relation->get_this_model();
+		$related_model = $relation->get_other_model();
+		if (! isset($primary_model_query_params[0])) {
+			$primary_model_query_params[0] = array();
+		}
+		//check if they can access the 1st model object
+		$primary_model_query_params = array(
+			0       => $primary_model_query_params[0],
+			'limit' => 1,
+		);
+		if ($model instanceof \EEM_Soft_Delete_Base) {
+			$primary_model_query_params = $model->alter_query_params_so_deleted_and_undeleted_items_included($primary_model_query_params);
+		}
+		$restricted_query_params = $primary_model_query_params;
+		$restricted_query_params['caps'] = $context;
+		$this->_set_debug_info('main model query params', $restricted_query_params);
+		$this->_set_debug_info('missing caps', Capabilities::get_missing_permissions_string($related_model, $context));
+		if (
+		! (
+			Capabilities::current_user_has_partial_access_to($related_model, $context)
+			&& $model->exists($restricted_query_params)
+		)
+		) {
+			if ($relation instanceof \EE_Belongs_To_Relation) {
+				$related_model_name_maybe_plural = strtolower($related_model->get_this_model_name());
+			} else {
+				$related_model_name_maybe_plural = \EEH_Inflector::pluralize_and_lower($related_model->get_this_model_name());
+			}
+			return new \WP_Error(
+				sprintf('rest_%s_cannot_list', $related_model_name_maybe_plural),
+				sprintf(
+					__('Sorry, you are not allowed to list %1$s related to %2$s. Missing permissions: %3$s',
+						'event_espresso'),
+					$related_model_name_maybe_plural,
+					$relation->get_this_model()->get_this_model_name(),
+					implode(
+						',',
+						array_keys(
+							Capabilities::get_missing_permissions($related_model, $context)
+						)
+					)
+				),
+				array('status' => 403)
+			);
+		}
+		$query_params = $this->create_model_query_params($relation->get_other_model(), $request->get_params());
+		foreach ($primary_model_query_params[0] as $where_condition_key => $where_condition_value) {
+			$query_params[0][$relation->get_this_model()->get_this_model_name()
+							 . '.'
+							 . $where_condition_key] = $where_condition_value;
+		}
+		$query_params['default_where_conditions'] = 'none';
+		$query_params['caps'] = $context;
+		if (! $request->get_header('no_rest_headers')) {
+			$this->_set_headers_from_query_params($relation->get_other_model(), $query_params);
+		}
+		/** @type array $results */
+		$results = $relation->get_other_model()->get_all_wpdb_results($query_params);
+		$nice_results = array();
+		foreach ($results as $result) {
+			$nice_result = $this->create_entity_from_wpdb_result(
+				$relation->get_other_model(),
+				$result,
+				$request
+			);
+			if ($relation instanceof \EE_HABTM_Relation) {
+				//put the unusual stuff (properties from the HABTM relation) first, and make sure
+				//if there are conflicts we prefer the properties from the main model
+				$join_model_result = $this->create_entity_from_wpdb_result(
+					$relation->get_join_model(),
+					$result,
+					$request
+				);
+				$joined_result = array_merge($nice_result, $join_model_result);
+				//but keep the meta stuff from the main model
+				if (isset($nice_result['meta'])) {
+					$joined_result['meta'] = $nice_result['meta'];
+				}
+				$nice_result = $joined_result;
+			}
+			$nice_results[] = $nice_result;
+		}
+		if ($relation instanceof \EE_Belongs_To_Relation) {
+			return array_shift($nice_results);
+		} else {
+			return $nice_results;
+		}
+	}
+
+
+
+	/**
+	 * Gets the collection for given relation object
+	 * The same as Read::get_entities_from_model(), except if the relation
+	 * is a HABTM relation, in which case it merges any non-foreign-key fields from
+	 * the join-model-object into the results
+	 *
+	 * @param string                  $id the ID of the thing we are fetching related stuff from
+	 * @param \EE_Model_Relation_Base $relation
+	 * @param \WP_REST_Request        $request
+	 * @return array|\WP_Error
+	 * @throws \EE_Error
+	 */
+	public function get_entities_from_relation($id, $relation, $request)
+	{
+		if (! $relation->get_this_model()->has_primary_key_field()) {
+			throw new \EE_Error(
+				sprintf(
+					__('Read::get_entities_from_relation should only be called from a model with a primary key, it was called from %1$s',
+						'event_espresso'),
+					$relation->get_this_model()->get_this_model_name()
+				)
+			);
+		}
+		return $this->_get_entities_from_relation(
+			array(
+				array(
+					$relation->get_this_model()->primary_key_name() => $id,
+				),
+			),
+			$relation,
+			$request
+		);
+	}
+
+
+
+	/**
+	 * Sets the headers that are based on the model and query params,
+	 * like the total records. This should only be called on the original request
+	 * from the client, not on subsequent internal
+	 *
+	 * @param \EEM_Base $model
+	 * @param array     $query_params
+	 * @return void
+	 */
+	protected function _set_headers_from_query_params($model, $query_params)
+	{
+		$this->_set_debug_info('model query params', $query_params);
+		$this->_set_debug_info('missing caps',
+			Capabilities::get_missing_permissions_string($model, $query_params['caps']));
+		//normally the limit to a 2-part array, where the 2nd item is the limit
+		if (! isset($query_params['limit'])) {
+			$query_params['limit'] = \EED_Core_Rest_Api::get_default_query_limit();
+		}
+		if (is_array($query_params['limit'])) {
+			$limit_parts = $query_params['limit'];
+		} else {
+			$limit_parts = explode(',', $query_params['limit']);
+			if (count($limit_parts) == 1) {
+				$limit_parts = array(0, $limit_parts[0]);
+			}
+		}
+		//remove the group by and having parts of the query, as those will
+		//make the sql query return an array of values, instead of just a single value
+		unset($query_params['group_by'], $query_params['having'], $query_params['limit']);
+		$count = $model->count($query_params, null, true);
+		$pages = $count / $limit_parts[1];
+		$this->_set_response_header('Total', $count, false);
+		$this->_set_response_header('PageSize', $limit_parts[1], false);
+		$this->_set_response_header('TotalPages', ceil($pages), false);
+	}
+
+
+
+	/**
+	 * Changes database results into REST API entities
+	 *
+	 * @param \EEM_Base        $model
+	 * @param array            $db_row     like results from $wpdb->get_results()
+	 * @param \WP_REST_Request $rest_request
+	 * @param string           $deprecated no longer used
+	 * @return array ready for being converted into json for sending to client
+	 */
+	public function create_entity_from_wpdb_result($model, $db_row, $rest_request, $deprecated = null)
+	{
+		if (! $rest_request instanceof \WP_REST_Request) {
+			//ok so this was called in the old style, where the 3rd arg was
+			//$include, and the 4th arg was $context
+			//now setup the request just to avoid fatal errors, although we won't be able
+			//to truly make use of it because it's kinda devoid of info
+			$rest_request = new \WP_REST_Request();
+			$rest_request->set_param('include', $rest_request);
+			$rest_request->set_param('caps', $deprecated);
+		}
+		if ($rest_request->get_param('caps') == null) {
+			$rest_request->set_param('caps', \EEM_Base::caps_read);
+		}
+		$entity_array = $this->_create_bare_entity_from_wpdb_results($model, $db_row);
+		$entity_array = $this->_add_extra_fields($model, $db_row, $entity_array);
+		$entity_array['_links'] = $this->_get_entity_links($model, $db_row, $entity_array);
+		$entity_array['_calculated_fields'] = $this->_get_entity_calculations($model, $db_row, $rest_request);
+		$entity_array = $this->_include_requested_models($model, $rest_request, $entity_array, $db_row);
+		$entity_array = apply_filters(
+			'FHEE__Read__create_entity_from_wpdb_results__entity_before_inaccessible_field_removal',
+			$entity_array,
+			$model,
+			$rest_request->get_param('caps'),
+			$rest_request,
+			$this
+		);
+		$result_without_inaccessible_fields = Capabilities::filter_out_inaccessible_entity_fields(
+			$entity_array,
+			$model,
+			$rest_request->get_param('caps'),
+			$this->get_model_version_info(),
+			$model->get_index_primary_key_string(
+				$model->deduce_fields_n_values_from_cols_n_values($db_row)
+			)
+		);
+		$this->_set_debug_info(
+			'inaccessible fields',
+			array_keys(array_diff_key($entity_array, $result_without_inaccessible_fields))
+		);
+		return apply_filters(
+			'FHEE__Read__create_entity_from_wpdb_results__entity_return',
+			$result_without_inaccessible_fields,
+			$model,
+			$rest_request->get_param('caps')
+		);
+	}
+
+
+
+	/**
+	 * Creates a REST entity array (JSON object we're going to return in the response, but
+	 * for now still a PHP array, but soon enough we'll call json_encode on it, don't worry),
+	 * from $wpdb->get_row( $sql, ARRAY_A)
+	 *
+	 * @param \EEM_Base $model
+	 * @param array     $db_row
+	 * @return array entity mostly ready for converting to JSON and sending in the response
+	 */
+	protected function _create_bare_entity_from_wpdb_results(\EEM_Base $model, $db_row)
+	{
+		$result = $model->deduce_fields_n_values_from_cols_n_values($db_row);
+		$result = array_intersect_key($result,
+			$this->get_model_version_info()->fields_on_model_in_this_version($model));
+		foreach ($result as $field_name => $raw_field_value) {
+			$field_obj = $model->field_settings_for($field_name);
+			$field_value = $field_obj->prepare_for_set_from_db($raw_field_value);
+			if ($this->is_subclass_of_one($field_obj, $this->get_model_version_info()->fields_ignored())) {
+				unset($result[$field_name]);
+			} elseif (
+			$this->is_subclass_of_one($field_obj, $this->get_model_version_info()->fields_that_have_rendered_format())
+			) {
+				$result[$field_name] = array(
+					'raw'      => $field_obj->prepare_for_get($field_value),
+					'rendered' => $field_obj->prepare_for_pretty_echoing($field_value),
+				);
+			} elseif (
+			$this->is_subclass_of_one($field_obj, $this->get_model_version_info()->fields_that_have_pretty_format())
+			) {
+				$result[$field_name] = array(
+					'raw'    => $field_obj->prepare_for_get($field_value),
+					'pretty' => $field_obj->prepare_for_pretty_echoing($field_value),
+				);
+			} elseif ($field_obj instanceof \EE_Datetime_Field) {
+				if ($field_value instanceof \DateTime) {
+					$timezone = $field_value->getTimezone();
+					$field_value->setTimezone(new \DateTimeZone('UTC'));
+					$result[$field_name . '_gmt'] = Model_Data_Translator::prepare_field_value_for_json(
+						$field_obj,
+						$field_value,
+						$this->get_model_version_info()->requested_version()
+					);
+					$field_value->setTimezone($timezone);
+					$result[$field_name] = Model_Data_Translator::prepare_field_value_for_json(
+						$field_obj,
+						$field_value,
+						$this->get_model_version_info()->requested_version()
+					);
+				}
+			} else {
+				$result[$field_name] = Model_Data_Translator::prepare_field_value_for_json(
+					$field_obj,
+					$field_obj->prepare_for_get($field_value),
+					$this->get_model_version_info()->requested_version()
+				);
+			}
+		}
+		return $result;
+	}
+
+
+
+	/**
+	 * Adds a few extra fields to the entity response
+	 *
+	 * @param \EEM_Base $model
+	 * @param array     $db_row
+	 * @param array     $entity_array
+	 * @return array modified entity
+	 */
+	protected function _add_extra_fields(\EEM_Base $model, $db_row, $entity_array)
+	{
+		if ($model instanceof \EEM_CPT_Base) {
+			$entity_array['link'] = get_permalink($db_row[$model->get_primary_key_field()->get_qualified_column()]);
+		}
+		return $entity_array;
+	}
+
+
+
+	/**
+	 * Gets links we want to add to the response
+	 *
+	 * @global \WP_REST_Server $wp_rest_server
+	 * @param \EEM_Base        $model
+	 * @param array            $db_row
+	 * @param array            $entity_array
+	 * @return array the _links item in the entity
+	 */
+	protected function _get_entity_links($model, $db_row, $entity_array)
+	{
+		//add basic links
+		$links = array();
+		if ($model->has_primary_key_field()) {
+			$links['self'] = array(
+				array(
+					'href' => $this->get_versioned_link_to(
+						\EEH_Inflector::pluralize_and_lower($model->get_this_model_name())
+						. '/'
+						. $entity_array[$model->primary_key_name()]
+					),
+				),
+			);
+		}
+		$links['collection'] = array(
+			array(
+				'href' => $this->get_versioned_link_to(
+					\EEH_Inflector::pluralize_and_lower($model->get_this_model_name())
+				),
+			),
+		);
+		//add links to related models
+		if ($model->has_primary_key_field()) {
+			foreach ($this->get_model_version_info()->relation_settings($model) as $relation_name => $relation_obj) {
+				$related_model_part = Read::get_related_entity_name($relation_name, $relation_obj);
+				$links[\EED_Core_Rest_Api::ee_api_link_namespace . $related_model_part] = array(
+					array(
+						'href'   => $this->get_versioned_link_to(
+							\EEH_Inflector::pluralize_and_lower($model->get_this_model_name())
+							. '/'
+							. $entity_array[$model->primary_key_name()]
+							. '/'
+							. $related_model_part
+						),
+						'single' => $relation_obj instanceof \EE_Belongs_To_Relation ? true : false,
+					),
+				);
+			}
+		}
+		return $links;
+	}
+
+
+
+	/**
+	 * Adds the included models indicated in the request to the entity provided
+	 *
+	 * @param \EEM_Base        $model
+	 * @param \WP_REST_Request $rest_request
+	 * @param array            $entity_array
+	 * @param array            $db_row
+	 * @return array the modified entity
+	 */
+	protected function _include_requested_models(
+		\EEM_Base $model,
+		\WP_REST_Request $rest_request,
+		$entity_array,
+		$db_row = array()
+	) {
+		//if $db_row not included, hope the entity array has what we need
+		if (! $db_row) {
+			$db_row = $entity_array;
+		}
+		$includes_for_this_model = $this->explode_and_get_items_prefixed_with($rest_request->get_param('include'), '');
+		$includes_for_this_model = $this->_remove_model_names_from_array($includes_for_this_model);
+		//if they passed in * or didn't specify any includes, return everything
+		if (! in_array('*', $includes_for_this_model)
+			&& ! empty($includes_for_this_model)
+		) {
+			if ($model->has_primary_key_field()) {
+				//always include the primary key. ya just gotta know that at least
+				$includes_for_this_model[] = $model->primary_key_name();
+			}
+			if ($this->explode_and_get_items_prefixed_with($rest_request->get_param('calculate'), '')) {
+				$includes_for_this_model[] = '_calculated_fields';
+			}
+			$entity_array = array_intersect_key($entity_array, array_flip($includes_for_this_model));
+		}
+		$relation_settings = $this->get_model_version_info()->relation_settings($model);
+		foreach ($relation_settings as $relation_name => $relation_obj) {
+			$related_fields_to_include = $this->explode_and_get_items_prefixed_with(
+				$rest_request->get_param('include'),
+				$relation_name
+			);
+			$related_fields_to_calculate = $this->explode_and_get_items_prefixed_with(
+				$rest_request->get_param('calculate'),
+				$relation_name
+			);
+			//did they specify they wanted to include a related model, or
+			//specific fields from a related model?
+			//or did they specify to calculate a field from a related model?
+			if ($related_fields_to_include || $related_fields_to_calculate) {
+				//if so, we should include at least some part of the related model
+				$pretend_related_request = new \WP_REST_Request();
+				$pretend_related_request->set_query_params(
+					array(
+						'caps'      => $rest_request->get_param('caps'),
+						'include'   => $related_fields_to_include,
+						'calculate' => $related_fields_to_calculate,
+					)
+				);
+				$pretend_related_request->add_header('no_rest_headers', true);
+				$primary_model_query_params = $model->alter_query_params_to_restrict_by_ID(
+					$model->get_index_primary_key_string(
+						$model->deduce_fields_n_values_from_cols_n_values($db_row)
+					)
+				);
+				$related_results = $this->_get_entities_from_relation(
+					$primary_model_query_params,
+					$relation_obj,
+					$pretend_related_request
+				);
+				$entity_array[Read::get_related_entity_name($relation_name, $relation_obj)] = $related_results
+																							  instanceof
+																							  \WP_Error
+					? null
+					: $related_results;
+			}
+		}
+		return $entity_array;
+	}
+
+
+
+	/**
+	 * Returns a new array with all the names of models removed. Eg
+	 * array( 'Event', 'Datetime.*', 'foobar' ) would become array( 'Datetime.*', 'foobar' )
+	 *
+	 * @param array $arr
+	 * @return array
+	 */
+	private function _remove_model_names_from_array($arr)
+	{
+		return array_diff($arr, array_keys(\EE_Registry::instance()->non_abstract_db_models));
+	}
+
+
+
+	/**
+	 * Gets the calculated fields for the response
+	 *
+	 * @param \EEM_Base        $model
+	 * @param array            $wpdb_row
+	 * @param \WP_REST_Request $rest_request
+	 * @return \stdClass the _calculations item in the entity
+	 */
+	protected function _get_entity_calculations($model, $wpdb_row, $rest_request)
+	{
+		$calculated_fields = $this->explode_and_get_items_prefixed_with(
+			$rest_request->get_param('calculate'),
+			''
+		);
+		//note: setting calculate=* doesn't do anything
+		$calculated_fields_to_return = new \stdClass();
+		foreach ($calculated_fields as $field_to_calculate) {
+			try {
+				$calculated_fields_to_return->$field_to_calculate = Model_Data_Translator::prepare_field_value_for_json(
+					null,
+					$this->_fields_calculator->retrieve_calculated_field_value(
+						$model,
+						$field_to_calculate,
+						$wpdb_row,
+						$rest_request,
+						$this
+					),
+					$this->get_model_version_info()->requested_version()
+				);
+			} catch (Rest_Exception $e) {
+				//if we don't have permission to read it, just leave it out. but let devs know about the problem
+				$this->_set_response_header(
+					'Notices-Field-Calculation-Errors['
+					. $e->get_string_code()
+					. ']['
+					. $model->get_this_model_name()
+					. ']['
+					. $field_to_calculate
+					. ']',
+					$e->getMessage(),
+					true
+				);
+			}
+		}
+		return $calculated_fields_to_return;
+	}
+
+
+
+	/**
+	 * Gets the full URL to the resource, taking the requested version into account
+	 *
+	 * @param string $link_part_after_version_and_slash eg "events/10/datetimes"
+	 * @return string url eg "http://mysite.com/wp-json/ee/v4.6/events/10/datetimes"
+	 */
+	public function get_versioned_link_to($link_part_after_version_and_slash)
+	{
+		return rest_url(
+			\EED_Core_Rest_Api::ee_api_namespace
+			. $this->get_model_version_info()->requested_version()
+			. '/'
+			. $link_part_after_version_and_slash
+		);
+	}
+
+
+
+	/**
+	 * Gets the correct lowercase name for the relation in the API according
+	 * to the relation's type
+	 *
+	 * @param string                  $relation_name
+	 * @param \EE_Model_Relation_Base $relation_obj
+	 * @return string
+	 */
+	public static function get_related_entity_name($relation_name, $relation_obj)
+	{
+		if ($relation_obj instanceof \EE_Belongs_To_Relation) {
+			return strtolower($relation_name);
+		} else {
+			return \EEH_Inflector::pluralize_and_lower($relation_name);
+		}
+	}
+
+
+
+	/**
+	 * Gets the one model object with the specified id for the specified model
+	 *
+	 * @param \EEM_Base        $model
+	 * @param \WP_REST_Request $request
+	 * @return array|\WP_Error
+	 */
+	public function get_entity_from_model($model, $request)
+	{
+		$query_params = array(array($model->primary_key_name() => $request->get_param('id')), 'limit' => 1);
+		if ($model instanceof \EEM_Soft_Delete_Base) {
+			$query_params = $model->alter_query_params_so_deleted_and_undeleted_items_included($query_params);
+		}
+		$restricted_query_params = $query_params;
+		$restricted_query_params['caps'] = $this->validate_context($request->get_param('caps'));
+		$this->_set_debug_info('model query params', $restricted_query_params);
+		$model_rows = $model->get_all_wpdb_results($restricted_query_params);
+		if (! empty ($model_rows)) {
+			return $this->create_entity_from_wpdb_result(
+				$model,
+				array_shift($model_rows),
+				$request);
+		} else {
+			//ok let's test to see if we WOULD have found it, had we not had restrictions from missing capabilities
+			$lowercase_model_name = strtolower($model->get_this_model_name());
+			$model_rows_found_sans_restrictions = $model->get_all_wpdb_results($query_params);
+			if (! empty($model_rows_found_sans_restrictions)) {
+				//you got shafted- it existed but we didn't want to tell you!
+				return new \WP_Error(
+					'rest_user_cannot_read',
+					sprintf(
+						__('Sorry, you cannot read this %1$s. Missing permissions are: %2$s', 'event_espresso'),
+						strtolower($model->get_this_model_name()),
+						Capabilities::get_missing_permissions_string(
+							$model,
+							$this->validate_context($request->get_param('caps')))
+					),
+					array('status' => 403)
+				);
+			} else {
+				//it's not you. It just doesn't exist
+				return new \WP_Error(
+					sprintf('rest_%s_invalid_id', $lowercase_model_name),
+					sprintf(__('Invalid %s ID.', 'event_espresso'), $lowercase_model_name),
+					array('status' => 404)
+				);
+			}
+		}
+	}
+
+
+
+	/**
+	 * If a context is provided which isn't valid, maybe it was added in a future
+	 * version so just treat it as a default read
+	 *
+	 * @param string $context
+	 * @return string array key of EEM_Base::cap_contexts_to_cap_action_map()
+	 */
+	public function validate_context($context)
+	{
+		if (! $context) {
+			$context = \EEM_Base::caps_read;
+		}
+		$valid_contexts = \EEM_Base::valid_cap_contexts();
+		if (in_array($context, $valid_contexts)) {
+			return $context;
+		} else {
+			return \EEM_Base::caps_read;
+		}
+	}
+
+
+
+	/**
+	 * Verifies the passed in value is an allowable default where conditions value.
+	 *
+	 * @param $default_query_params
+	 * @return string
+	 */
+	public function validate_default_query_params($default_query_params)
+	{
+		$valid_default_where_conditions_for_api_calls = array(
+			\EEM_Base::default_where_conditions_all,
+			\EEM_Base::default_where_conditions_minimum_all,
+			\EEM_Base::default_where_conditions_minimum_others,
+		);
+		if (! $default_query_params) {
+			$default_query_params = \EEM_Base::default_where_conditions_all;
+		}
+		if (
+		in_array(
+			$default_query_params,
+			$valid_default_where_conditions_for_api_calls,
+			true
+		)
+		) {
+			return $default_query_params;
+		} else {
+			return \EEM_Base::default_where_conditions_all;
+		}
+	}
+
+
+
+	/**
+	 * Translates API filter get parameter into $query_params array used by EEM_Base::get_all().
+	 * Note: right now the query parameter keys for fields (and related fields)
+	 * can be left as-is, but it's quite possible this will change someday.
+	 * Also, this method's contents might be candidate for moving to Model_Data_Translator
+	 *
+	 * @param \EEM_Base $model
+	 * @param array     $query_parameters from $_GET parameter @see Read:handle_request_get_all
+	 * @return array like what EEM_Base::get_all() expects or FALSE to indicate
+	 *                                    that absolutely no results should be returned
+	 * @throws \EE_Error
+	 */
+	public function create_model_query_params($model, $query_parameters)
+	{
+		$model_query_params = array();
+		if (isset($query_parameters['where'])) {
+			$model_query_params[0] = Model_Data_Translator::prepare_conditions_query_params_for_models(
+				$query_parameters['where'],
+				$model,
+				$this->get_model_version_info()->requested_version()
+			);
+		}
+		if (isset($query_parameters['order_by'])) {
+			$order_by = $query_parameters['order_by'];
+		} elseif (isset($query_parameters['orderby'])) {
+			$order_by = $query_parameters['orderby'];
+		} else {
+			$order_by = null;
+		}
+		if ($order_by !== null) {
+			if (is_array($order_by)) {
+				$order_by = Model_Data_Translator::prepare_field_names_in_array_keys_from_json($order_by);
+			} else {
+				//it's a single item
+				$order_by = Model_Data_Translator::prepare_field_name_from_json($order_by);
+			}
+			$model_query_params['order_by'] = $order_by;
+		}
+		if (isset($query_parameters['group_by'])) {
+			$group_by = $query_parameters['group_by'];
+		} elseif (isset($query_parameters['groupby'])) {
+			$group_by = $query_parameters['groupby'];
+		} else {
+			$group_by = array_keys($model->get_combined_primary_key_fields());
+		}
+		//make sure they're all real names
+		if (is_array($group_by)) {
+			$group_by = Model_Data_Translator::prepare_field_names_from_json($group_by);
+		}
+		if ($group_by !== null) {
+			$model_query_params['group_by'] = $group_by;
+		}
+		if (isset($query_parameters['having'])) {
+			$model_query_params['having'] = Model_Data_Translator::prepare_conditions_query_params_for_models(
+				$query_parameters['having'],
+				$model,
+				$this->get_model_version_info()->requested_version()
+			);
+		}
+		if (isset($query_parameters['order'])) {
+			$model_query_params['order'] = $query_parameters['order'];
+		}
+		if (isset($query_parameters['mine'])) {
+			$model_query_params = $model->alter_query_params_to_only_include_mine($model_query_params);
+		}
+		if (isset($query_parameters['limit'])) {
+			//limit should be either a string like '23' or '23,43', or an array with two items in it
+			if (! is_array($query_parameters['limit'])) {
+				$limit_array = explode(',', (string)$query_parameters['limit']);
+			} else {
+				$limit_array = $query_parameters['limit'];
+			}
+			$sanitized_limit = array();
+			foreach ($limit_array as $key => $limit_part) {
+				if ($this->_debug_mode && (! is_numeric($limit_part) || count($sanitized_limit) > 2)) {
+					throw new \EE_Error(
+						sprintf(
+							__('An invalid limit filter was provided. It was: %s. If the EE4 JSON REST API weren\'t in debug mode, this message would not appear.',
+								'event_espresso'),
+							wp_json_encode($query_parameters['limit'])
+						)
+					);
+				}
+				$sanitized_limit[] = (int)$limit_part;
+			}
+			$model_query_params['limit'] = implode(',', $sanitized_limit);
+		} else {
+			$model_query_params['limit'] = \EED_Core_Rest_Api::get_default_query_limit();
+		}
+		if (isset($query_parameters['caps'])) {
+			$model_query_params['caps'] = $this->validate_context($query_parameters['caps']);
+		} else {
+			$model_query_params['caps'] = \EEM_Base::caps_read;
+		}
+		if (isset($query_parameters['default_where_conditions'])) {
+			$model_query_params['default_where_conditions'] = $this->validate_default_query_params($query_parameters['default_where_conditions']);
+		}
+		return apply_filters('FHEE__Read__create_model_query_params', $model_query_params, $query_parameters, $model);
+	}
+
+
+
+	/**
+	 * Changes the REST-style query params for use in the models
+	 *
+	 * @deprecated
+	 * @param \EEM_Base $model
+	 * @param array     $query_params sub-array from @see EEM_Base::get_all()
+	 * @return array
+	 */
+	public function prepare_rest_query_params_key_for_models($model, $query_params)
+	{
+		$model_ready_query_params = array();
+		foreach ($query_params as $key => $value) {
+			if (is_array($value)) {
+				$model_ready_query_params[$key] = $this->prepare_rest_query_params_key_for_models($model, $value);
+			} else {
+				$model_ready_query_params[$key] = $value;
+			}
+		}
+		return $model_ready_query_params;
+	}
+
+
+
+	/**
+	 * @deprecated
+	 * @param $model
+	 * @param $query_params
+	 * @return array
+	 */
+	public function prepare_rest_query_params_values_for_models($model, $query_params)
+	{
+		$model_ready_query_params = array();
+		foreach ($query_params as $key => $value) {
+			if (is_array($value)) {
+				$model_ready_query_params[$key] = $this->prepare_rest_query_params_values_for_models($model, $value);
+			} else {
+				$model_ready_query_params[$key] = $value;
+			}
+		}
+		return $model_ready_query_params;
+	}
+
+
+
+	/**
+	 * Explodes the string on commas, and only returns items with $prefix followed by a period.
+	 * If no prefix is specified, returns items with no period.
+	 *
+	 * @param string|array $string_to_explode eg "jibba,jabba, blah, blaabla" or array('jibba', 'jabba' )
+	 * @param string       $prefix            "Event" or "foobar"
+	 * @return array $string_to_exploded exploded on COMMAS, and if a prefix was specified
+	 *                                        we only return strings starting with that and a period; if no prefix was
+	 *                                        specified we return all items containing NO periods
+	 */
+	public function explode_and_get_items_prefixed_with($string_to_explode, $prefix)
+	{
+		if (is_string($string_to_explode)) {
+			$exploded_contents = explode(',', $string_to_explode);
+		} else if (is_array($string_to_explode)) {
+			$exploded_contents = $string_to_explode;
+		} else {
+			$exploded_contents = array();
+		}
+		//if the string was empty, we want an empty array
+		$exploded_contents = array_filter($exploded_contents);
+		$contents_with_prefix = array();
+		foreach ($exploded_contents as $item) {
+			$item = trim($item);
+			//if no prefix was provided, so we look for items with no "." in them
+			if (! $prefix) {
+				//does this item have a period?
+				if (strpos($item, '.') === false) {
+					//if not, then its what we're looking for
+					$contents_with_prefix[] = $item;
+				}
+			} else if (strpos($item, $prefix . '.') === 0) {
+				//this item has the prefix and a period, grab it
+				$contents_with_prefix[] = substr(
+					$item,
+					strpos($item, $prefix . '.') + strlen($prefix . '.')
+				);
+			} else if ($item === $prefix) {
+				//this item is JUST the prefix
+				//so let's grab everything after, which is a blank string
+				$contents_with_prefix[] = '';
+			}
+		}
+		return $contents_with_prefix;
+	}
+
+
+
+	/**
+	 * @deprecated since 4.8.36.rc.001 You should instead use Read::explode_and_get_items_prefixed_with.
+	 * Deprecated because its return values were really quite confusing- sometimes it returned
+	 * an empty array (when the include string was blank or '*') or sometimes it returned
+	 * array('*') (when you provided a model and a model of that kind was found).
+	 * Parses the $include_string so we fetch all the field names relating to THIS model
+	 * (ie have NO period in them), or for the provided model (ie start with the model
+	 * name and then a period).
+	 * @param string $include_string @see Read:handle_request_get_all
+	 * @param string $model_name
+	 * @return array of fields for this model. If $model_name is provided, then
+	 *                               the fields for that model, with the model's name removed from each.
+	 *                               If $include_string was blank or '*' returns an empty array
+	 */
+	public function extract_includes_for_this_model($include_string, $model_name = null)
+	{
+		if (is_array($include_string)) {
+			$include_string = implode(',', $include_string);
+		}
+		if ($include_string === '*' || $include_string === '') {
+			return array();
+		}
+		$includes = explode(',', $include_string);
+		$extracted_fields_to_include = array();
+		if ($model_name) {
+			foreach ($includes as $field_to_include) {
+				$field_to_include = trim($field_to_include);
+				if (strpos($field_to_include, $model_name . '.') === 0) {
+					//found the model name at the exact start
+					$field_sans_model_name = str_replace($model_name . '.', '', $field_to_include);
+					$extracted_fields_to_include[] = $field_sans_model_name;
+				} elseif ($field_to_include == $model_name) {
+					$extracted_fields_to_include[] = '*';
+				}
+			}
+		} else {
+			//look for ones with no period
+			foreach ($includes as $field_to_include) {
+				$field_to_include = trim($field_to_include);
+				if (
+					strpos($field_to_include, '.') === false
+					&& ! $this->get_model_version_info()->is_model_name_in_this_version($field_to_include)
+				) {
+					$extracted_fields_to_include[] = $field_to_include;
+				}
+			}
+		}
+		return $extracted_fields_to_include;
+	}
 }
 
 

caffeinated/admin/extend/registrations/EE_Event_Registrations_List_Table.class.php

Indentation +63 added lines, -63 removed lines

@@ -87,7 +87,7 @@ 
 		$this->_columns = array_merge( $columns, $this->_columns );
 		$this->_primary_column = '_REG_att_checked_in';
 		if ( ! empty( $evt_id )
-		     && EE_Registry::instance()->CAP->current_user_can(
+			 && EE_Registry::instance()->CAP->current_user_can(
 				'ee_read_registrations',
 				'espresso_registrations_registrations_reports',
 				$evt_id
@@ -104,44 +104,44 @@ 
 				),
 			);
 		}
-        $this->_bottom_buttons['report_filtered'] = array(
-            'route'         => 'registrations_checkin_report',
-            'extra_request' => array(
-                'use_filters' => true,
-                'filters'     => array_merge(
-                    array(
-                        'EVT_ID' => $evt_id,
-                    ),
-                    array_diff_key(
-                        $this->_req_data,
-                        array_flip(
-                            array(
-                                'page',
-                                'action',
-                                'default_nonce',
-                            )
-                        )
-                    )
-                ),
-                'return_url'  => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
-            ),
-        );
+		$this->_bottom_buttons['report_filtered'] = array(
+			'route'         => 'registrations_checkin_report',
+			'extra_request' => array(
+				'use_filters' => true,
+				'filters'     => array_merge(
+					array(
+						'EVT_ID' => $evt_id,
+					),
+					array_diff_key(
+						$this->_req_data,
+						array_flip(
+							array(
+								'page',
+								'action',
+								'default_nonce',
+							)
+						)
+					)
+				),
+				'return_url'  => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
+			),
+		);
 		$this->_sortable_columns = array(
-            /**
-             * Allows users to change the default sort if they wish.
-             * Returning a falsey on this filter will result in the default sort to be by firstname rather than last name.
-             *
-             * Note: usual naming conventions for filters aren't followed here so that just one filter can be used to
-             * change the sorts on any list table involving registration contacts.  If you want to only change the filter
-             * for a specific list table you can use the provided reference to this object instance.
-             */
+			/**
+			 * Allows users to change the default sort if they wish.
+			 * Returning a falsey on this filter will result in the default sort to be by firstname rather than last name.
+			 *
+			 * Note: usual naming conventions for filters aren't followed here so that just one filter can be used to
+			 * change the sorts on any list table involving registration contacts.  If you want to only change the filter
+			 * for a specific list table you can use the provided reference to this object instance.
+			 */
 			'ATT_name' => array(
-                    'FHEE__EE_Registrations_List_Table___set_properties__default_sort_by_registration_last_name',
-                    true,
-                    $this
-                )
-                ? array( 'ATT_lname' => true )
-                : array( 'ATT_fname' => true ),
+					'FHEE__EE_Registrations_List_Table___set_properties__default_sort_by_registration_last_name',
+					true,
+					$this
+				)
+				? array( 'ATT_lname' => true )
+				: array( 'ATT_fname' => true ),
 			'Event'    => array( 'Event.EVT.Name' => false ),
 		);
 		$this->_hidden_columns = array();
@@ -200,7 +200,7 @@ 
 				if ( ! $evt->get_count_of_all_registrations() ) {
 					continue;
 				}
-                                $evts[] = array(
+								$evts[] = array(
 					'id'    => $evt->ID(),
 					'text'  => apply_filters('FHEE__EE_Event_Registrations___get_table_filters__event_name', $evt->get( 'EVT_name' ), $evt),
 					'class' => $evt->is_expired() ? 'ee-expired-event' : '',
@@ -224,8 +224,8 @@ 
 			if ( count( $this->_dtts_for_event ) > 1 ) {
 				$dtts[0] = __( 'To toggle check-in status, select a datetime.', 'event_espresso' );
 				foreach ( $this->_dtts_for_event as $dtt ) {
-                    $datetime_string = $dtt->name();
-                    $datetime_string = ! empty($datetime_string ) ? ' (' . $datetime_string . ')' : '';
+					$datetime_string = $dtt->name();
+					$datetime_string = ! empty($datetime_string ) ? ' (' . $datetime_string . ')' : '';
 					$datetime_string = $dtt->start_date_and_time() . ' - ' . $dtt->end_date_and_time() . $datetime_string;
 					$dtts[ $dtt->ID() ] = $datetime_string;
 				}
@@ -319,7 +319,7 @@ 
 		$checkinstatus = $item->check_in_status_for_datetime( $this->_cur_dtt_id );
 		$nonce = wp_create_nonce( 'checkin_nonce' );
 		$toggle_active = ! empty ( $this->_cur_dtt_id )
-		                 && EE_Registry::instance()->CAP->current_user_can(
+						 && EE_Registry::instance()->CAP->current_user_can(
 			'ee_edit_checkin',
 			'espresso_registrations_toggle_checkin_status',
 			$item->ID()
@@ -328,11 +328,11 @@ 
 			: '';
 		$mobile_view_content = ' <span class="show-on-mobile-view-only">' . $attendee_name . '</span>';
 		return '<span class="checkin-icons checkedin-status-' . $checkinstatus . $toggle_active . '"'
-		       . ' data-_regid="' . $item->ID() . '"'
-		       . ' data-dttid="' . $this->_cur_dtt_id . '"'
-		       . ' data-nonce="' . $nonce . '">'
-		       . '</span>'
-		       . $mobile_view_content;
+			   . ' data-_regid="' . $item->ID() . '"'
+			   . ' data-dttid="' . $this->_cur_dtt_id . '"'
+			   . ' data-nonce="' . $nonce . '">'
+			   . '</span>'
+			   . $mobile_view_content;
 	}
 
 
@@ -357,8 +357,8 @@ 
 			'espresso_registrations_edit_attendee'
 		)
 			? '<a href="' . $edit_lnk_url . '" title="' . esc_attr__( 'View Registration Details', 'event_espresso' ) . '">'
-			    . $item->attendee()->full_name()
-			    . '</a>'
+				. $item->attendee()->full_name()
+				. '</a>'
 			: $item->attendee()->full_name();
 		$name_link .= $item->count() === 1
 			? '&nbsp;<sup><div class="dashicons dashicons-star-filled lt-blue-icon ee-icon-size-8"></div></sup>	'
@@ -393,7 +393,7 @@ 
 			? $latest_related_datetime->ID()
 			: $DTT_ID;
 		if ( ! empty( $DTT_ID )
-		     && EE_Registry::instance()->CAP->current_user_can(
+			 && EE_Registry::instance()->CAP->current_user_can(
 				'ee_read_checkins',
 				'espresso_registrations_registration_checkins'
 			)
@@ -493,15 +493,15 @@ 
 				) ? '
 				<span class="reg-pad-rght">
 					<a class="status-'
-				    . $item->transaction()->status_ID()
-				    . '" href="'
-				    . $view_txn_lnk_url
-				    . '"  title="'
-				    . esc_attr__( 'View Transaction', 'event_espresso' )
-				    . '">
+					. $item->transaction()->status_ID()
+					. '" href="'
+					. $view_txn_lnk_url
+					. '"  title="'
+					. esc_attr__( 'View Transaction', 'event_espresso' )
+					. '">
 						'
-				    . $item->transaction()->pretty_paid()
-				    . '
+					. $item->transaction()->pretty_paid()
+					. '
 					</a>
 				<span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_paid() . '</span>';
 			}
@@ -534,12 +534,12 @@ 
 				'ee_read_transaction',
 				'espresso_transactions_view_transaction'
 			) ? '<a href="'
-			    . $view_txn_url
-			    . '" title="'
-			    . esc_attr__( 'View Transaction', 'event_espresso' )
-			    . '"><span class="reg-pad-rght">'
-			    . $txn_total
-			    . '</span></a>' : '<span class="reg-pad-rght">' . $txn_total . '</span>';
+				. $view_txn_url
+				. '" title="'
+				. esc_attr__( 'View Transaction', 'event_espresso' )
+				. '"><span class="reg-pad-rght">'
+				. $txn_total
+				. '</span></a>' : '<span class="reg-pad-rght">' . $txn_total . '</span>';
 		} else {
 			return '<span class="reg-pad-rght"></span>';
 		}

Spacing +111 added lines, -111 removed lines

@@ -1,5 +1,5 @@ 
-<?php if ( ! defined( 'EVENT_ESPRESSO_VERSION' ) ) {
-	exit( 'No direct script access allowed' );
+<?php if ( ! defined('EVENT_ESPRESSO_VERSION')) {
+	exit('No direct script access allowed');
 }
 
 
@@ -42,51 +42,51 @@ 
 	 *
 	 * @param \Registrations_Admin_Page $admin_page
 	 */
-	public function __construct( $admin_page ) {
-		parent::__construct( $admin_page );
+	public function __construct($admin_page) {
+		parent::__construct($admin_page);
 		$this->_status = $this->_admin_page->get_registration_status_array();
 	}
 
 
 
 	protected function _setup_data() {
-		$this->_data = $this->_view !== 'trash' ? $this->_admin_page->get_event_attendees( $this->_per_page )
-			: $this->_admin_page->get_event_attendees( $this->_per_page, false, true );
+		$this->_data = $this->_view !== 'trash' ? $this->_admin_page->get_event_attendees($this->_per_page)
+			: $this->_admin_page->get_event_attendees($this->_per_page, false, true);
 		$this->_all_data_count = $this->_view !== 'trash' ? $this->_admin_page->get_event_attendees(
 			$this->_per_page,
 			true
-		) : $this->_admin_page->get_event_attendees( $this->_per_page, true, true );
+		) : $this->_admin_page->get_event_attendees($this->_per_page, true, true);
 	}
 
 
 
 	protected function _set_properties() {
-		$evt_id = isset( $this->_req_data['event_id'] ) ? $this->_req_data['event_id'] : null;
+		$evt_id = isset($this->_req_data['event_id']) ? $this->_req_data['event_id'] : null;
 		$this->_wp_list_args = array(
-			'singular' => __( 'registrant', 'event_espresso' ),
-			'plural'   => __( 'registrants', 'event_espresso' ),
+			'singular' => __('registrant', 'event_espresso'),
+			'plural'   => __('registrants', 'event_espresso'),
 			'ajax'     => true,
 			'screen'   => $this->_admin_page->get_current_screen()->id,
 		);
 		$columns = array();
 		//$columns['_Reg_Status'] = '';
-		if ( ! empty( $evt_id ) ) {
+		if ( ! empty($evt_id)) {
 			$columns['cb'] = '<input type="checkbox" />'; //Render a checkbox instead of text
 			$this->_has_checkbox_column = true;
 		}
 		$this->_columns = array(
 			'_REG_att_checked_in' => '<span class="dashicons dashicons-yes ee-icon-size-18"></span>',
-			'ATT_name'            => __( 'Registrant', 'event_espresso' ),
-			'ATT_email'           => __( 'Email Address', 'event_espresso' ),
-			'Event'               => __( 'Event', 'event_espresso' ),
-			'PRC_name'            => __( 'TKT Option', 'event_espresso' ),
-			'_REG_final_price'    => __( 'Price', 'event_espresso' ),
-			'TXN_paid'            => __( 'Paid', 'event_espresso' ),
-			'TXN_total'           => __( 'Total', 'event_espresso' ),
+			'ATT_name'            => __('Registrant', 'event_espresso'),
+			'ATT_email'           => __('Email Address', 'event_espresso'),
+			'Event'               => __('Event', 'event_espresso'),
+			'PRC_name'            => __('TKT Option', 'event_espresso'),
+			'_REG_final_price'    => __('Price', 'event_espresso'),
+			'TXN_paid'            => __('Paid', 'event_espresso'),
+			'TXN_total'           => __('Total', 'event_espresso'),
 		);
-		$this->_columns = array_merge( $columns, $this->_columns );
+		$this->_columns = array_merge($columns, $this->_columns);
 		$this->_primary_column = '_REG_att_checked_in';
-		if ( ! empty( $evt_id )
+		if ( ! empty($evt_id)
 		     && EE_Registry::instance()->CAP->current_user_can(
 				'ee_read_registrations',
 				'espresso_registrations_registrations_reports',
@@ -99,7 +99,7 @@ 
 					'extra_request' =>
 						array(
 							'EVT_ID'     => $evt_id,
-							'return_url' => urlencode( "//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}" ),
+							'return_url' => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
 						),
 				),
 			);
@@ -140,12 +140,12 @@ 
                     true,
                     $this
                 )
-                ? array( 'ATT_lname' => true )
-                : array( 'ATT_fname' => true ),
-			'Event'    => array( 'Event.EVT.Name' => false ),
+                ? array('ATT_lname' => true)
+                : array('ATT_fname' => true),
+			'Event'    => array('Event.EVT.Name' => false),
 		);
 		$this->_hidden_columns = array();
-		$this->_evt = EEM_Event::instance()->get_one_by_ID( $evt_id );
+		$this->_evt = EEM_Event::instance()->get_one_by_ID($evt_id);
 		$this->_dtts_for_event = $this->_evt instanceof EE_Event ? $this->_evt->datetimes_ordered() : array();
 	}
 
@@ -155,11 +155,11 @@ 
 	 * @param \EE_Registration $item
 	 * @return string
 	 */
-	protected function _get_row_class( $item ) {
-		$class = parent::_get_row_class( $item );
+	protected function _get_row_class($item) {
+		$class = parent::_get_row_class($item);
 		//add status class
-		$class .= ' ee-status-strip reg-status-' . $item->status_ID();
-		if ( $this->_has_checkbox_column ) {
+		$class .= ' ee-status-strip reg-status-'.$item->status_ID();
+		if ($this->_has_checkbox_column) {
 			$class .= ' has-checkbox-column';
 		}
 		return $class;
@@ -173,61 +173,61 @@ 
 	 */
 	protected function _get_table_filters() {
 		$filters = $where = array();
-		$current_EVT_ID = isset( $this->_req_data['event_id'] ) ? (int) $this->_req_data['event_id'] : 0;
-		if ( empty( $this->_dtts_for_event ) || count( $this->_dtts_for_event ) === 1 ) {
+		$current_EVT_ID = isset($this->_req_data['event_id']) ? (int) $this->_req_data['event_id'] : 0;
+		if (empty($this->_dtts_for_event) || count($this->_dtts_for_event) === 1) {
 			//this means we don't have an event so let's setup a filter dropdown for all the events to select
 			//note possible capability restrictions
-			if ( ! EE_Registry::instance()->CAP->current_user_can( 'ee_read_private_events', 'get_events' ) ) {
-				$where['status**'] = array( '!=', 'private' );
+			if ( ! EE_Registry::instance()->CAP->current_user_can('ee_read_private_events', 'get_events')) {
+				$where['status**'] = array('!=', 'private');
 			}
-			if ( ! EE_Registry::instance()->CAP->current_user_can( 'ee_read_others_events', 'get_events' ) ) {
+			if ( ! EE_Registry::instance()->CAP->current_user_can('ee_read_others_events', 'get_events')) {
 				$where['EVT_wp_user'] = get_current_user_id();
 			}
 			$events = EEM_Event::instance()->get_all(
 				array(
 					$where,
-					'order_by' => array( 'Datetime.DTT_EVT_start' => 'DESC' ),
+					'order_by' => array('Datetime.DTT_EVT_start' => 'DESC'),
 				)
 			);
 			$evts[] = array(
 				'id'   => 0,
-				'text' => __( 'To toggle Check-in status, select an event', 'event_espresso' ),
+				'text' => __('To toggle Check-in status, select an event', 'event_espresso'),
 			);
 			$checked = 'checked';
 			/** @var EE_Event $evt */
-			foreach ( $events as $evt ) {
+			foreach ($events as $evt) {
 				//any registrations for this event?
-				if ( ! $evt->get_count_of_all_registrations() ) {
+				if ( ! $evt->get_count_of_all_registrations()) {
 					continue;
 				}
                                 $evts[] = array(
 					'id'    => $evt->ID(),
-					'text'  => apply_filters('FHEE__EE_Event_Registrations___get_table_filters__event_name', $evt->get( 'EVT_name' ), $evt),
+					'text'  => apply_filters('FHEE__EE_Event_Registrations___get_table_filters__event_name', $evt->get('EVT_name'), $evt),
 					'class' => $evt->is_expired() ? 'ee-expired-event' : '',
 				);
-				if ( $evt->ID() === $current_EVT_ID && $evt->is_expired() ) {
+				if ($evt->ID() === $current_EVT_ID && $evt->is_expired()) {
 					$checked = '';
 				}
 			}
 			$event_filter = '<div class="ee-event-filter">';
-			$event_filter .= EEH_Form_Fields::select_input( 'event_id', $evts, $current_EVT_ID );
+			$event_filter .= EEH_Form_Fields::select_input('event_id', $evts, $current_EVT_ID);
 			$event_filter .= '<span class="ee-event-filter-toggle">';
-			$event_filter .= '<input type="checkbox" id="js-ee-hide-expired-events" ' . $checked . '> ';
-			$event_filter .= __( 'Hide Expired Events', 'event_espresso' );
+			$event_filter .= '<input type="checkbox" id="js-ee-hide-expired-events" '.$checked.'> ';
+			$event_filter .= __('Hide Expired Events', 'event_espresso');
 			$event_filter .= '</span>';
 			$event_filter .= '</div>';
 			$filters[] = $event_filter;
 		}
-		if ( ! empty( $this->_dtts_for_event ) ) {
+		if ( ! empty($this->_dtts_for_event)) {
 			//DTT datetimes filter
-			$this->_cur_dtt_id = isset( $this->_req_data['DTT_ID'] ) ? $this->_req_data['DTT_ID'] : 0;
-			if ( count( $this->_dtts_for_event ) > 1 ) {
-				$dtts[0] = __( 'To toggle check-in status, select a datetime.', 'event_espresso' );
-				foreach ( $this->_dtts_for_event as $dtt ) {
+			$this->_cur_dtt_id = isset($this->_req_data['DTT_ID']) ? $this->_req_data['DTT_ID'] : 0;
+			if (count($this->_dtts_for_event) > 1) {
+				$dtts[0] = __('To toggle check-in status, select a datetime.', 'event_espresso');
+				foreach ($this->_dtts_for_event as $dtt) {
                     $datetime_string = $dtt->name();
-                    $datetime_string = ! empty($datetime_string ) ? ' (' . $datetime_string . ')' : '';
-					$datetime_string = $dtt->start_date_and_time() . ' - ' . $dtt->end_date_and_time() . $datetime_string;
-					$dtts[ $dtt->ID() ] = $datetime_string;
+                    $datetime_string = ! empty($datetime_string) ? ' ('.$datetime_string.')' : '';
+					$datetime_string = $dtt->start_date_and_time().' - '.$dtt->end_date_and_time().$datetime_string;
+					$dtts[$dtt->ID()] = $datetime_string;
 				}
 				$input = new EE_Select_Input(
 					$dtts,
@@ -238,7 +238,7 @@ 
 					)
 				);
 				$filters[] = $input->get_html_for_input();
-				$filters[] = '<input type="hidden" name="event_id" value="' . $current_EVT_ID . '">';
+				$filters[] = '<input type="hidden" name="event_id" value="'.$current_EVT_ID.'">';
 			}
 		}
 		return $filters;
@@ -257,22 +257,22 @@ 
 	 * @throws \EE_Error
 	 */
 	protected function _get_total_event_attendees() {
-		$EVT_ID = isset( $this->_req_data['event_id'] ) ? absint( $this->_req_data['event_id'] ) : false;
+		$EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
 		$DTT_ID = $this->_cur_dtt_id;
 		$query_params = array();
-		if ( $EVT_ID ) {
+		if ($EVT_ID) {
 			$query_params[0]['EVT_ID'] = $EVT_ID;
 		}
 		//if DTT is included we only show for that datetime.  Otherwise we're showing for all datetimes (the event).
-		if ( $DTT_ID ) {
+		if ($DTT_ID) {
 			$query_params[0]['Ticket.Datetime.DTT_ID'] = $DTT_ID;
 		}
 		$status_ids_array = apply_filters(
 			'FHEE__Extend_Registrations_Admin_Page__get_event_attendees__status_ids_array',
-			array( EEM_Registration::status_id_pending_payment, EEM_Registration::status_id_approved )
+			array(EEM_Registration::status_id_pending_payment, EEM_Registration::status_id_approved)
 		);
-		$query_params[0]['STS_ID'] = array( 'IN', $status_ids_array );
-		return EEM_Registration::instance()->count( $query_params );
+		$query_params[0]['STS_ID'] = array('IN', $status_ids_array);
+		return EEM_Registration::instance()->count($query_params);
 	}
 
 
@@ -281,8 +281,8 @@ 
 	 * @param \EE_Registration $item
 	 * @return string
 	 */
-	public function column__Reg_Status( EE_Registration $item ) {
-		return '<span class="ee-status-strip ee-status-strip-td reg-status-' . $item->status_ID() . '"></span>';
+	public function column__Reg_Status(EE_Registration $item) {
+		return '<span class="ee-status-strip ee-status-strip-td reg-status-'.$item->status_ID().'"></span>';
 	}
 
 
@@ -292,8 +292,8 @@ 
 	 * @return string
 	 * @throws \EE_Error
 	 */
-	public function column_cb( $item ) {
-		return sprintf( '<input type="checkbox" name="checkbox[%1$s]" value="%1$s" />', $item->ID() );
+	public function column_cb($item) {
+		return sprintf('<input type="checkbox" name="checkbox[%1$s]" value="%1$s" />', $item->ID());
 	}
 
 
@@ -305,20 +305,20 @@ 
 	 * @return string
 	 * @throws \EE_Error
 	 */
-	public function column__REG_att_checked_in( EE_Registration $item ) {
+	public function column__REG_att_checked_in(EE_Registration $item) {
 		$attendee = $item->attendee();
 		$attendee_name = $attendee instanceof EE_Attendee ? $attendee->full_name() : '';
 
-		if ( $this->_cur_dtt_id === 0 && count( $this->_dtts_for_event ) === 1 ) {
+		if ($this->_cur_dtt_id === 0 && count($this->_dtts_for_event) === 1) {
 			$latest_related_datetime = $item->get_latest_related_datetime();
-			if ( $latest_related_datetime instanceof EE_Datetime ) {
+			if ($latest_related_datetime instanceof EE_Datetime) {
 				$this->_cur_dtt_id = $latest_related_datetime->ID();
 			}
 		}
 
-		$checkinstatus = $item->check_in_status_for_datetime( $this->_cur_dtt_id );
-		$nonce = wp_create_nonce( 'checkin_nonce' );
-		$toggle_active = ! empty ( $this->_cur_dtt_id )
+		$checkinstatus = $item->check_in_status_for_datetime($this->_cur_dtt_id);
+		$nonce = wp_create_nonce('checkin_nonce');
+		$toggle_active = ! empty ($this->_cur_dtt_id)
 		                 && EE_Registry::instance()->CAP->current_user_can(
 			'ee_edit_checkin',
 			'espresso_registrations_toggle_checkin_status',
@@ -326,11 +326,11 @@ 
 		)
 			? ' clickable trigger-checkin'
 			: '';
-		$mobile_view_content = ' <span class="show-on-mobile-view-only">' . $attendee_name . '</span>';
-		return '<span class="checkin-icons checkedin-status-' . $checkinstatus . $toggle_active . '"'
-		       . ' data-_regid="' . $item->ID() . '"'
-		       . ' data-dttid="' . $this->_cur_dtt_id . '"'
-		       . ' data-nonce="' . $nonce . '">'
+		$mobile_view_content = ' <span class="show-on-mobile-view-only">'.$attendee_name.'</span>';
+		return '<span class="checkin-icons checkedin-status-'.$checkinstatus.$toggle_active.'"'
+		       . ' data-_regid="'.$item->ID().'"'
+		       . ' data-dttid="'.$this->_cur_dtt_id.'"'
+		       . ' data-nonce="'.$nonce.'">'
 		       . '</span>'
 		       . $mobile_view_content;
 	}
@@ -342,21 +342,21 @@ 
 	 * @return mixed|string|void
 	 * @throws \EE_Error
 	 */
-	public function column_ATT_name( EE_Registration $item ) {
+	public function column_ATT_name(EE_Registration $item) {
 		$attendee = $item->attendee();
-		if ( ! $attendee instanceof EE_Attendee ) {
-			return __( 'No contact record for this registration.', 'event_espresso' );
+		if ( ! $attendee instanceof EE_Attendee) {
+			return __('No contact record for this registration.', 'event_espresso');
 		}
 		// edit attendee link
 		$edit_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-			array( 'action' => 'view_registration', '_REG_ID' => $item->ID() ),
+			array('action' => 'view_registration', '_REG_ID' => $item->ID()),
 			REG_ADMIN_URL
 		);
 		$name_link = EE_Registry::instance()->CAP->current_user_can(
 			'ee_edit_contacts',
 			'espresso_registrations_edit_attendee'
 		)
-			? '<a href="' . $edit_lnk_url . '" title="' . esc_attr__( 'View Registration Details', 'event_espresso' ) . '">'
+			? '<a href="'.$edit_lnk_url.'" title="'.esc_attr__('View Registration Details', 'event_espresso').'">'
 			    . $item->attendee()->full_name()
 			    . '</a>'
 			: $item->attendee()->full_name();
@@ -364,10 +364,10 @@ 
 			? '&nbsp;<sup><div class="dashicons dashicons-star-filled lt-blue-icon ee-icon-size-8"></div></sup>	'
 			: '';
 		//add group details
-		$name_link .= '&nbsp;' . sprintf( __( '(%s of %s)', 'event_espresso' ), $item->count(), $item->group_size() );
+		$name_link .= '&nbsp;'.sprintf(__('(%s of %s)', 'event_espresso'), $item->count(), $item->group_size());
 		//add regcode
 		$link = EE_Admin_Page::add_query_args_and_nonce(
-			array( 'action' => 'view_registration', '_REG_ID' => $item->ID() ),
+			array('action' => 'view_registration', '_REG_ID' => $item->ID()),
 			REG_ADMIN_URL
 		);
 		$name_link .= '<br>';
@@ -376,37 +376,37 @@ 
 			'view_registration',
 			$item->ID()
 		)
-			? '<a href="' . $link . '" title="' . esc_attr__( 'View Registration Details', 'event_espresso' ) . '">'
+			? '<a href="'.$link.'" title="'.esc_attr__('View Registration Details', 'event_espresso').'">'
 			  . $item->reg_code()
 			  . '</a>'
 			: $item->reg_code();
 		//status
 		$name_link .= '<br><span class="ee-status-text-small">';
-		$name_link .= EEH_Template::pretty_status( $item->status_ID(), false, 'sentence' );
+		$name_link .= EEH_Template::pretty_status($item->status_ID(), false, 'sentence');
 		$name_link .= '</span>';
 		$actions = array();
 		$DTT_ID = $this->_cur_dtt_id;
-		$latest_related_datetime = empty( $DTT_ID ) && ! empty( $this->_req_data['event_id'] ) && $item instanceof EE_Registration
+		$latest_related_datetime = empty($DTT_ID) && ! empty($this->_req_data['event_id']) && $item instanceof EE_Registration
 			? $item->get_latest_related_datetime()
 			: null;
 		$DTT_ID = $latest_related_datetime instanceof EE_Datetime
 			? $latest_related_datetime->ID()
 			: $DTT_ID;
-		if ( ! empty( $DTT_ID )
+		if ( ! empty($DTT_ID)
 		     && EE_Registry::instance()->CAP->current_user_can(
 				'ee_read_checkins',
 				'espresso_registrations_registration_checkins'
 			)
 		) {
 			$checkin_list_url = EE_Admin_Page::add_query_args_and_nonce(
-				array( 'action' => 'registration_checkins', '_REGID' => $item->ID(), 'DTT_ID' => $DTT_ID )
+				array('action' => 'registration_checkins', '_REGID' => $item->ID(), 'DTT_ID' => $DTT_ID)
 			);
-			$actions['checkin'] = '<a href="' . $checkin_list_url . '" title="' . esc_attr__(
+			$actions['checkin'] = '<a href="'.$checkin_list_url.'" title="'.esc_attr__(
 					'View all the check-ins/checkouts for this registrant',
 					'event_espresso'
-				) . '">' . __( 'View', 'event_espresso' ) . '</a>';
+				).'">'.__('View', 'event_espresso').'</a>';
 		}
-		return ! empty( $DTT_ID ) ? sprintf( '%1$s %2$s', $name_link, $this->row_actions( $actions ) ) : $name_link;
+		return ! empty($DTT_ID) ? sprintf('%1$s %2$s', $name_link, $this->row_actions($actions)) : $name_link;
 	}
 
 
@@ -415,7 +415,7 @@ 
 	 * @param \EE_Registration $item
 	 * @return string
 	 */
-	public function column_ATT_email( EE_Registration $item ) {
+	public function column_ATT_email(EE_Registration $item) {
 		$attendee = $item->attendee();
 		return $attendee instanceof EE_Attendee ? $attendee->email() : '';
 	}
@@ -427,22 +427,22 @@ 
 	 * @return bool|string
 	 * @throws \EE_Error
 	 */
-	public function column_Event( EE_Registration $item ) {
+	public function column_Event(EE_Registration $item) {
 		try {
 			$event = $this->_evt instanceof EE_Event ? $this->_evt : $item->event();
 			$chkin_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-				array( 'action' => 'event_registrations', 'event_id' => $event->ID() ),
+				array('action' => 'event_registrations', 'event_id' => $event->ID()),
 				REG_ADMIN_URL
 			);
 			$event_label = EE_Registry::instance()->CAP->current_user_can(
 				'ee_read_checkins',
 				'espresso_registrations_registration_checkins'
-			) ? '<a href="' . $chkin_lnk_url . '" title="' . esc_attr__(
+			) ? '<a href="'.$chkin_lnk_url.'" title="'.esc_attr__(
 					'View Checkins for this Event',
 					'event_espresso'
-				) . '">' . $event->name() . '</a>' : $event->name();
-		} catch ( \EventEspresso\core\exceptions\EntityNotFoundException $e ) {
-			$event_label = esc_html__( 'Unknown', 'event_espresso' );
+				).'">'.$event->name().'</a>' : $event->name();
+		} catch (\EventEspresso\core\exceptions\EntityNotFoundException $e) {
+			$event_label = esc_html__('Unknown', 'event_espresso');
 		}
 		return $event_label;
 	}
@@ -453,8 +453,8 @@ 
 	 * @param \EE_Registration $item
 	 * @return mixed|string|void
 	 */
-	public function column_PRC_name( EE_Registration $item ) {
-		return $item->ticket() instanceof EE_Ticket ? $item->ticket()->name() : __( "Unknown", "event_espresso" );
+	public function column_PRC_name(EE_Registration $item) {
+		return $item->ticket() instanceof EE_Ticket ? $item->ticket()->name() : __("Unknown", "event_espresso");
 	}
 
 
@@ -465,8 +465,8 @@ 
 	 * @param \EE_Registration $item
 	 * @return string
 	 */
-	public function column__REG_final_price( EE_Registration $item ) {
-		return '<span class="reg-pad-rght">' . ' ' . $item->pretty_final_price() . '</span>';
+	public function column__REG_final_price(EE_Registration $item) {
+		return '<span class="reg-pad-rght">'.' '.$item->pretty_final_price().'</span>';
 	}
 
 
@@ -478,13 +478,13 @@ 
 	 * @return string
 	 * @throws \EE_Error
 	 */
-	public function column_TXN_paid( EE_Registration $item ) {
-		if ( $item->count() === 1 ) {
-			if ( $item->transaction()->paid() >= $item->transaction()->total() ) {
+	public function column_TXN_paid(EE_Registration $item) {
+		if ($item->count() === 1) {
+			if ($item->transaction()->paid() >= $item->transaction()->total()) {
 				return '<span class="reg-pad-rght"><div class="dashicons dashicons-yes green-icon"></div></span>';
 			} else {
 				$view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-					array( 'action' => 'view_transaction', 'TXN_ID' => $item->transaction_ID() ),
+					array('action' => 'view_transaction', 'TXN_ID' => $item->transaction_ID()),
 					TXN_ADMIN_URL
 				);
 				return EE_Registry::instance()->CAP->current_user_can(
@@ -497,13 +497,13 @@ 
 				    . '" href="'
 				    . $view_txn_lnk_url
 				    . '"  title="'
-				    . esc_attr__( 'View Transaction', 'event_espresso' )
+				    . esc_attr__('View Transaction', 'event_espresso')
 				    . '">
 						'
 				    . $item->transaction()->pretty_paid()
 				    . '
 					</a>
-				<span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_paid() . '</span>';
+				<span>' : '<span class="reg-pad-rght">'.$item->transaction()->pretty_paid().'</span>';
 			}
 		} else {
 			return '<span class="reg-pad-rght"></span>';
@@ -519,13 +519,13 @@ 
 	 * @return string
 	 * @throws \EE_Error
 	 */
-	public function column_TXN_total( EE_Registration $item ) {
+	public function column_TXN_total(EE_Registration $item) {
 		$txn = $item->transaction();
-		$view_txn_url = add_query_arg( array( 'action' => 'view_transaction', 'TXN_ID' => $txn->ID() ), TXN_ADMIN_URL );
-		if ( $item->get( 'REG_count' ) === 1 ) {
+		$view_txn_url = add_query_arg(array('action' => 'view_transaction', 'TXN_ID' => $txn->ID()), TXN_ADMIN_URL);
+		if ($item->get('REG_count') === 1) {
 			$line_total_obj = $txn->total_line_item();
 			$txn_total = $line_total_obj instanceof EE_Line_Item
-				? $line_total_obj->get_pretty( 'LIN_total' )
+				? $line_total_obj->get_pretty('LIN_total')
 				: __(
 					'View Transaction',
 					'event_espresso'
@@ -536,10 +536,10 @@ 
 			) ? '<a href="'
 			    . $view_txn_url
 			    . '" title="'
-			    . esc_attr__( 'View Transaction', 'event_espresso' )
+			    . esc_attr__('View Transaction', 'event_espresso')
 			    . '"><span class="reg-pad-rght">'
 			    . $txn_total
-			    . '</span></a>' : '<span class="reg-pad-rght">' . $txn_total . '</span>';
+			    . '</span></a>' : '<span class="reg-pad-rght">'.$txn_total.'</span>';
 		} else {
 			return '<span class="reg-pad-rght"></span>';
 		}

core/helpers/EEH_Schema.helper.php

Indentation +65 added lines, -65 removed lines

@@ -17,67 +17,67 @@ 
 class EEH_Schema {
 
 
-    /**
-     * generates JSON-based linked data for an event
-     *
-     * @param \EE_Event $event
-     */
-    public static function add_json_linked_data_for_event(\EE_Event $event)
-    {
-    	//Check we have a valid datetime for the event
-    	if(! $event->primary_datetime() instanceof EE_Datetime) {
-    		return;
-    	}
-
-        $template_args = array(
-            'event_permalink' => '',
-            'event_name' => '',
-            'event_description' => '',
-            'event_start' => '',
-            'event_end' => '',
-            'currency' => '',
-            'event_tickets' => array(),
-            'venue_name' => '',
-            'venue_url' => '',
-            'venue_locality' => '',
-            'venue_region' => '',
-            'event_image' => '',
-        );
-        $template_args['event_permalink'] = $event->get_permalink();
-        $template_args['event_name'] = $event->name();
-        $template_args['event_description'] = wp_strip_all_tags($event->short_description(200));
-        $template_args['event_start'] = $event->primary_datetime()->start_date(DateTime::ATOM);
-        $template_args['event_end'] = $event->primary_datetime()->end_date(DateTime::ATOM);
-        $template_args['currency'] = EE_Registry::instance()->CFG->currency->code;
-        foreach ($event->tickets() as $ticket) {
-            $ID = $ticket->ID();
-            $template_args['event_tickets'][$ID]['start_date'] = $ticket->start_date(DateTime::ATOM, null);
-            $template_args['event_tickets'][$ID]['end_date'] = $ticket->end_date(DateTime::ATOM, null);
-            $template_args['event_tickets'][$ID]['price'] = number_format(
-                $ticket->price(),
-                EE_Registry::instance()->CFG->currency->dec_plc,
-                EE_Registry::instance()->CFG->currency->dec_mrk,
-                EE_Registry::instance()->CFG->currency->thsnds
-            );
-        }
-        $VNU_ID = espresso_venue_id();
-        if ( ! empty($VNU_ID) && ! espresso_is_venue_private($VNU_ID)) {
-            $venue = EEH_Venue_View::get_venue($VNU_ID);
-            $template_args['venue_name'] = get_the_title($VNU_ID);
-            $template_args['venue_url'] = get_permalink($VNU_ID);
-            $template_args['venue_locality'] = $venue->city();
-            $template_args['venue_region'] = $venue->state_name();
-        }
-        $template_args['event_image'] = $event->feature_image_url();
-        $template_args = apply_filters(
-            'FHEE__EEH_Schema__add_json_linked_data_for_event__template_args',
-            $template_args,
-            $event,
-            $VNU_ID
-        );
-        extract($template_args, EXTR_OVERWRITE);
-        include EE_TEMPLATES . 'json_linked_data_for_event.template.php';
-    }
+	/**
+	 * generates JSON-based linked data for an event
+	 *
+	 * @param \EE_Event $event
+	 */
+	public static function add_json_linked_data_for_event(\EE_Event $event)
+	{
+		//Check we have a valid datetime for the event
+		if(! $event->primary_datetime() instanceof EE_Datetime) {
+			return;
+		}
+
+		$template_args = array(
+			'event_permalink' => '',
+			'event_name' => '',
+			'event_description' => '',
+			'event_start' => '',
+			'event_end' => '',
+			'currency' => '',
+			'event_tickets' => array(),
+			'venue_name' => '',
+			'venue_url' => '',
+			'venue_locality' => '',
+			'venue_region' => '',
+			'event_image' => '',
+		);
+		$template_args['event_permalink'] = $event->get_permalink();
+		$template_args['event_name'] = $event->name();
+		$template_args['event_description'] = wp_strip_all_tags($event->short_description(200));
+		$template_args['event_start'] = $event->primary_datetime()->start_date(DateTime::ATOM);
+		$template_args['event_end'] = $event->primary_datetime()->end_date(DateTime::ATOM);
+		$template_args['currency'] = EE_Registry::instance()->CFG->currency->code;
+		foreach ($event->tickets() as $ticket) {
+			$ID = $ticket->ID();
+			$template_args['event_tickets'][$ID]['start_date'] = $ticket->start_date(DateTime::ATOM, null);
+			$template_args['event_tickets'][$ID]['end_date'] = $ticket->end_date(DateTime::ATOM, null);
+			$template_args['event_tickets'][$ID]['price'] = number_format(
+				$ticket->price(),
+				EE_Registry::instance()->CFG->currency->dec_plc,
+				EE_Registry::instance()->CFG->currency->dec_mrk,
+				EE_Registry::instance()->CFG->currency->thsnds
+			);
+		}
+		$VNU_ID = espresso_venue_id();
+		if ( ! empty($VNU_ID) && ! espresso_is_venue_private($VNU_ID)) {
+			$venue = EEH_Venue_View::get_venue($VNU_ID);
+			$template_args['venue_name'] = get_the_title($VNU_ID);
+			$template_args['venue_url'] = get_permalink($VNU_ID);
+			$template_args['venue_locality'] = $venue->city();
+			$template_args['venue_region'] = $venue->state_name();
+		}
+		$template_args['event_image'] = $event->feature_image_url();
+		$template_args = apply_filters(
+			'FHEE__EEH_Schema__add_json_linked_data_for_event__template_args',
+			$template_args,
+			$event,
+			$VNU_ID
+		);
+		extract($template_args, EXTR_OVERWRITE);
+		include EE_TEMPLATES . 'json_linked_data_for_event.template.php';
+	}
 
 
 	/**
@@ -91,8 +91,8 @@ 
 	 */
 	public static function location( $location = null ) {
 		return ! empty( $location ) ? '<div itemprop="location" itemscope itemtype="http://schema.org/Place">'
-		                              . $location
-		                              . '</div>' : '';
+									  . $location
+									  . '</div>' : '';
 	}
 
 
@@ -212,8 +212,8 @@ 
 	 */
 	public static function postalCode( EEI_Address $obj_with_address = null ) {
 		return $obj_with_address->zip() !== null && $obj_with_address->zip() !== '' ? '<span itemprop="postalCode">'
-		                                                                              . $obj_with_address->zip()
-		                                                                              . '</span>' : '';
+																					  . $obj_with_address->zip()
+																					  . '</span>' : '';
 	}
 
 

Spacing +29 added lines, -29 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
-if ( ! defined( 'EVENT_ESPRESSO_VERSION' ) ) {
-	exit( 'No direct script access allowed' );
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
+	exit('No direct script access allowed');
 }
 
 
@@ -25,7 +25,7 @@ 
     public static function add_json_linked_data_for_event(\EE_Event $event)
     {
     	//Check we have a valid datetime for the event
-    	if(! $event->primary_datetime() instanceof EE_Datetime) {
+    	if ( ! $event->primary_datetime() instanceof EE_Datetime) {
     		return;
     	}
 
@@ -76,7 +76,7 @@ 
             $VNU_ID
         );
         extract($template_args, EXTR_OVERWRITE);
-        include EE_TEMPLATES . 'json_linked_data_for_event.template.php';
+        include EE_TEMPLATES.'json_linked_data_for_event.template.php';
     }
 
 
@@ -89,8 +89,8 @@ 
 	 * @param string $location
 	 * @return string
 	 */
-	public static function location( $location = null ) {
-		return ! empty( $location ) ? '<div itemprop="location" itemscope itemtype="http://schema.org/Place">'
+	public static function location($location = null) {
+		return ! empty($location) ? '<div itemprop="location" itemscope itemtype="http://schema.org/Place">'
 		                              . $location
 		                              . '</div>' : '';
 	}
@@ -105,8 +105,8 @@ 
 	 * @param string $name
 	 * @return string
 	 */
-	public static function name( $name = null ) {
-		return ! empty( $name ) ? '<span itemprop="name">' . $name . '</span>' : '';
+	public static function name($name = null) {
+		return ! empty($name) ? '<span itemprop="name">'.$name.'</span>' : '';
 	}
 
 
@@ -119,9 +119,9 @@ 
 	 * @param EEI_Address $obj_with_address
 	 * @return string
 	 */
-	public static function streetAddress( EEI_Address $obj_with_address = null ) {
+	public static function streetAddress(EEI_Address $obj_with_address = null) {
 		return $obj_with_address->address() !== null && $obj_with_address->address() !== ''
-			? '<span itemprop="streetAddress">' . $obj_with_address->address() . '</span>' : '';
+			? '<span itemprop="streetAddress">'.$obj_with_address->address().'</span>' : '';
 	}
 
 
@@ -134,14 +134,14 @@ 
 	 * @param EEI_Address $obj_with_address
 	 * @return string
 	 */
-	public static function postOfficeBoxNumber( EEI_Address $obj_with_address = null ) {
+	public static function postOfficeBoxNumber(EEI_Address $obj_with_address = null) {
 		// regex check for some form of PO Box or P.O. Box, etc, etc, etc
-		if ( preg_match(
+		if (preg_match(
 			"/^\s*((P(OST)?.?\s*(O(FF(ICE)?)?)?.?\s+(B(IN|OX))?)|B(IN|OX))/i",
 			$obj_with_address->address2()
-		) ) {
+		)) {
 			return $obj_with_address->address2() !== null && $obj_with_address->address2() !== ''
-				? '<span itemprop="postOfficeBoxNumber">' . $obj_with_address->address2() . '</span>' : '';
+				? '<span itemprop="postOfficeBoxNumber">'.$obj_with_address->address2().'</span>' : '';
 		} else {
 			return $obj_with_address->address2();
 		}
@@ -157,9 +157,9 @@ 
 	 * @param EEI_Address $obj_with_address
 	 * @return string
 	 */
-	public static function addressLocality( EEI_Address $obj_with_address = null ) {
+	public static function addressLocality(EEI_Address $obj_with_address = null) {
 		return $obj_with_address->city() !== null && $obj_with_address->city() !== ''
-			? '<span itemprop="addressLocality">' . $obj_with_address->city() . '</span>' : '';
+			? '<span itemprop="addressLocality">'.$obj_with_address->city().'</span>' : '';
 	}
 
 
@@ -172,10 +172,10 @@ 
 	 * @param EEI_Address $obj_with_address
 	 * @return string
 	 */
-	public static function addressRegion( EEI_Address $obj_with_address = null ) {
+	public static function addressRegion(EEI_Address $obj_with_address = null) {
 		$state = $obj_with_address->state_name();
-		if ( ! empty( $state ) ) {
-			return '<span itemprop="addressRegion">' . $state . '</span>';
+		if ( ! empty($state)) {
+			return '<span itemprop="addressRegion">'.$state.'</span>';
 		} else {
 			return '';
 		}
@@ -191,10 +191,10 @@ 
 	 * @param EEI_Address $obj_with_address
 	 * @return string
 	 */
-	public static function addressCountry( EEI_Address $obj_with_address = null ) {
+	public static function addressCountry(EEI_Address $obj_with_address = null) {
 		$country = $obj_with_address->country_name();
-		if ( ! empty( $country ) ) {
-			return '<span itemprop="addressCountry">' . $country . '</span>';
+		if ( ! empty($country)) {
+			return '<span itemprop="addressCountry">'.$country.'</span>';
 		} else {
 			return '';
 		}
@@ -210,7 +210,7 @@ 
 	 * @param EEI_Address $obj_with_address
 	 * @return string
 	 */
-	public static function postalCode( EEI_Address $obj_with_address = null ) {
+	public static function postalCode(EEI_Address $obj_with_address = null) {
 		return $obj_with_address->zip() !== null && $obj_with_address->zip() !== '' ? '<span itemprop="postalCode">'
 		                                                                              . $obj_with_address->zip()
 		                                                                              . '</span>' : '';
@@ -226,8 +226,8 @@ 
 	 * @param string $phone_nmbr
 	 * @return string
 	 */
-	public static function telephone( $phone_nmbr = null ) {
-		return $phone_nmbr !== null && $phone_nmbr !== '' ? '<span itemprop="telephone">' . $phone_nmbr . '</span>'
+	public static function telephone($phone_nmbr = null) {
+		return $phone_nmbr !== null && $phone_nmbr !== '' ? '<span itemprop="telephone">'.$phone_nmbr.'</span>'
 			: '';
 	}
 
@@ -243,13 +243,13 @@ 
 	 * @param array  $attributes - array of additional link attributes in  attribute_name => value pairs. ie: array( 'title' => 'click here', 'class' => 'link-class' )
 	 * @return string (link)
 	 */
-	public static function url( $url = null, $text = null, $attributes = array() ) {
+	public static function url($url = null, $text = null, $attributes = array()) {
 		$atts = '';
-		foreach ( $attributes as $attribute => $value ) {
-			$atts .= ' ' . $attribute . '="' . $value . '"';
+		foreach ($attributes as $attribute => $value) {
+			$atts .= ' '.$attribute.'="'.$value.'"';
 		}
 		$text = $text !== null && $text !== '' ? $text : $url;
-		return $url !== null && $url !== '' ? '<a itemprop="url" href="' . $url . '"' . $atts . '>' . $text . '</a>'
+		return $url !== null && $url !== '' ? '<a itemprop="url" href="'.$url.'"'.$atts.'>'.$text.'</a>'
 			: '';
 	}
 

core/db_models/fields/EE_Model_Field_Base.php

Indentation +634 added lines, -635 removed lines

@@ -21,639 +21,638 @@
  */
 abstract class EE_Model_Field_Base implements HasSchemaInterface
 {
-    /**
-     * The alias for the table the column belongs to.
-     * @var string
-     */
-    protected $_table_alias;
-
-    /**
-     * The actual db column name for the table
-     * @var string
-     */
-    protected $_table_column;
-
-
-    /**
-     * The authoritative name for the table column (used by client code to reference the field).
-     * @var string
-     */
-    protected $_name;
-
-
-    /**
-     * A description for the field.
-     * @var string
-     */
-    protected $_nicename;
-
-
-    /**
-     * Whether the field is nullable or not
-     * @var bool
-     */
-    protected $_nullable;
-
-
-    /**
-     * What the default value for the field should be.
-     * @var mixed
-     */
-    protected $_default_value;
-
-
-    /**
-     * Other configuration for the field
-     * @var mixed
-     */
-    protected $_other_config;
-
-
-    /**
-     * The name of the model this field is instantiated for.
-     * @var string
-     */
-    protected $_model_name;
-
-
-    /**
-     * This should be a json-schema valid data type for the field.
-     * @link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
-     * @var string
-     */
-    private $_schema_type = 'string';
-
-
-    /**
-     * If the schema has a defined format then it should be defined via this property.
-     * @link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
-     * @var string
-     */
-    private $_schema_format = '';
-
-
-    /**
-     * Indicates that the value of the field is managed exclusively by the server/model and not something
-     * settable by client code.
-     * @link http://json-schema.org/latest/json-schema-hypermedia.html#rfc.section.4.4
-     * @var bool
-     */
-    private $_schema_readonly = false;
-
-
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        $this->_table_column  = $table_column;
-        $this->_nicename      = $nicename;
-        $this->_nullable      = $nullable;
-        $this->_default_value = $default_value;
-    }
-
-
-    /**
-     * @param $table_alias
-     * @param $name
-     * @param $model_name
-     */
-    public function _construct_finalize($table_alias, $name, $model_name)
-    {
-        $this->_table_alias = $table_alias;
-        $this->_name        = $name;
-        $this->_model_name  = $model_name;
-        /**
-         * allow for changing the defaults
-         */
-        $this->_nicename      = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___nicename',
-            $this->_nicename, $this);
-        $this->_default_value = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___default_value',
-            $this->_default_value, $this);
-    }
-
-    public function get_table_alias()
-    {
-        return $this->_table_alias;
-    }
-
-    public function get_table_column()
-    {
-        return $this->_table_column;
-    }
-
-    /**
-     * Returns the name of the model this field is on. Eg 'Event' or 'Ticket_Datetime'
-     *
-     * @return string
-     */
-    public function get_model_name()
-    {
-        return $this->_model_name;
-    }
-
-    /**
-     * @throws \EE_Error
-     * @return string
-     */
-    public function get_name()
-    {
-        if ($this->_name) {
-            return $this->_name;
-        } else {
-            throw new EE_Error(sprintf(__("Model field '%s' has no name set. Did you make a model and forget to call the parent model constructor?",
-                "event_espresso"), get_class($this)));
-        }
-    }
-
-    public function get_nicename()
-    {
-        return $this->_nicename;
-    }
-
-    public function is_nullable()
-    {
-        return $this->_nullable;
-    }
-
-    /**
-     * returns whether this field is an auto-increment field or not. If it is, then
-     * on insertion it can be null. However, on updates it must be present.
-     *
-     * @return boolean
-     */
-    public function is_auto_increment()
-    {
-        return false;
-    }
-
-    /**
-     * The default value in the model object's value domain. See lengthy comment about
-     * value domains at the top of EEM_Base
-     *
-     * @return mixed
-     */
-    public function get_default_value()
-    {
-        return $this->_default_value;
-    }
-
-    /**
-     * Returns the table alias joined to the table column, however this isn't the right
-     * table alias if the aliased table is being joined to. In that case, you can use
-     * EE_Model_Parser::extract_table_alias_model_relation_chain_prefix() to find the table's current alias
-     * in the current query
-     *
-     * @return string
-     */
-    public function get_qualified_column()
-    {
-        return $this->get_table_alias() . "." . $this->get_table_column();
-    }
-
-    /**
-     * When get() is called on a model object (eg EE_Event), before returning its value,
-     * call this function on it, allowing us to customize the returned value based on
-     * the field's type. Eg, we may want ot serialize it, strip tags, etc. By default,
-     * we simply return it.
-     *
-     * @param mixed $value_of_field_on_model_object
-     * @return mixed
-     */
-    public function prepare_for_get($value_of_field_on_model_object)
-    {
-        return $value_of_field_on_model_object;
-    }
-
-    /**
-     * When inserting or updating a field on a model object, run this function on each
-     * value to prepare it for insertion into the db. We may want to add slashes, serialize it, etc.
-     * By default, we do nothing.
-     *
-     * @param mixed $value_of_field_on_model_object
-     * @return mixed
-     */
-    public function prepare_for_use_in_db($value_of_field_on_model_object)
-    {
-        return $value_of_field_on_model_object;
-    }
-
-    /**
-     * When creating a brand-new model object, or setting a particular value for one of its fields, this function
-     * is called before setting it on the model object. We may want to strip slashes, unserialize the value, etc.
-     * By default, we do nothing.
-     *
-     * @param mixed $value_inputted_for_field_on_model_object
-     * @return mixed
-     */
-    public function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        return $value_inputted_for_field_on_model_object;
-    }
-
-
-    /**
-     * When instantiating a model object from DB results, this function is called before setting each field.
-     * We may want to serialize the value, etc. By default, we return the value using prepare_for_set() method as that
-     * is the one child classes will most often define.
-     *
-     * @param mixed $value_found_in_db_for_model_object
-     * @return mixed
-     */
-    public function prepare_for_set_from_db($value_found_in_db_for_model_object)
-    {
-        return $this->prepare_for_set($value_found_in_db_for_model_object);
-    }
-
-    /**
-     * When echoing a field's value on a model object, this function is run to prepare the value for presentation in a
-     * webpage. For example, we may want to output floats with 2 decimal places by default, dates as "Monday Jan 12,
-     * 2013, at 3:23pm" instead of
-     * "8765678632", or any other modifications to how the value should be displayed, but not modified itself.
-     *
-     * @param mixed $value_on_field_to_be_outputted
-     * @return mixed
-     */
-    public function prepare_for_pretty_echoing($value_on_field_to_be_outputted)
-    {
-        return $value_on_field_to_be_outputted;
-    }
-
-
-    /**
-     * Returns whatever is set as the nicename for the object.
-     * @return string
-     */
-    public function getSchemaDescription()
-    {
-        return $this->get_nicename();
-    }
-
-
-    /**
-     * Returns whatever is set as the $_schema_type property for the object.
-     * Note: this will automatically add 'null' to the schema if the object is_nullable()
-     * @return string|array
-     */
-    public function getSchemaType()
-    {
-        if ($this->is_nullable()) {
-            $this->_schema_type = (array) $this->_schema_type;
-            if (! in_array('null', $this->_schema_type)) {
-                $this->_schema_type[] = 'null';
-            };
-        }
-        return $this->_schema_type;
-    }
-
-
-    /**
-     * Sets the _schema_type property.  Child classes should call this in their constructors to override the default state
-     * for this property.
-     * @param string|array $type
-     * @throws InvalidArgumentException
-     */
-    protected function setSchemaType($type)
-    {
-        $this->validateSchemaType($type);
-        $this->_schema_type = $type;
-    }
-
-
-    /**
-     * This is usually present when the $_schema_type property is 'object'.  Any child classes will need to override
-     * this method and return the properties for the schema.
-     *
-     * The reason this is not a property on the class is because there may be filters set on the values for the property
-     * that won't be exposed on construct.  For example enum type schemas may have the enum values filtered.
-     *
-     * @return array
-     */
-    public function getSchemaProperties()
-    {
-        return array();
-    }
-
-
-
-    /**
-     * By default this returns the scalar default value that was sent in on the class prepped according to the class type
-     * as the default.  However, when there are schema properties, then the default property is setup to mirror the
-     * property keys and correctly prepare the default according to that expected property value.
-     * The getSchema method validates whether the schema for default is setup correctly or not according to the schema type
-     *
-     * @return mixed
-     */
-    public function getSchemaDefault()
-    {
-        $default_value = $this->prepare_for_use_in_db($this->prepare_for_set($this->get_default_value()));
-        $schema_properties = $this->getSchemaProperties();
-
-        //if this schema has properties than shape the default value to match the properties shape.
-        if ($schema_properties) {
-            $value_to_return = array();
-            foreach ($schema_properties as $property_key => $property_schema) {
-                switch ($property_key) {
-                    case 'pretty':
-                    case 'rendered':
-                        $value_to_return[$property_key] = $this->prepare_for_pretty_echoing($this->prepare_for_set($default_value));
-                        break;
-                    default:
-                        $value_to_return[$property_key] = $default_value;
-                        break;
-                }
-            }
-            $default_value = $value_to_return;
-        }
-        return $default_value;
-    }
-
-
-
-
-    /**
-     * If a child class has enum values, they should override this method and provide a simple array
-     * of the enum values.
-
-     * The reason this is not a property on the class is because there may be filterable enum values that
-     * are set on the instantiated object that could be filtered after construct.
-     *
-     * @return array
-     */
-    public function getSchemaEnum()
-    {
-        return array();
-    }
-
-
-    /**
-     * This returns the value of the $_schema_format property on the object.
-     * @return string
-     */
-    public function getSchemaFormat()
-    {
-        return $this->_schema_format;
-    }
-
-
-    /**
-     * Sets the schema format property.
-     * @throws InvalidArgumentException
-     * @param string $format
-     */
-    protected function setSchemaFormat($format)
-    {
-        $this->validateSchemaFormat($format);
-        $this->_schema_format = $format;
-    }
-
-
-    /**
-     * This returns the value of the $_schema_readonly property on the object.
-     * @return bool
-     */
-    public function getSchemaReadonly()
-    {
-        return $this->_schema_readonly;
-    }
-
-
-    /**
-     * This sets the value for the $_schema_readonly property.
-     * @param bool $readonly  (only explicit boolean values are accepted)
-     */
-    protected function setSchemaReadOnly($readonly)
-    {
-        if (! is_bool($readonly)) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%s) must be a boolean.', 'event_espresso'),
-                    print_r($readonly, true)
-                )
-            );
-        }
-
-        $this->_schema_readonly = $readonly;
-    }
-
-
-
-
-    /**
-     * Return `%d`, `%s` or `%f` to indicate the data type for the field.
-     * @uses _get_wpdb_data_type()
-     *
-     * @return string
-     */
-    public function get_wpdb_data_type()
-    {
-        return $this->_get_wpdb_data_type();
-    }
-
-
-    /**
-     * Return `%d`, `%s` or `%f` to indicate the data type for the field that should be indicated in wpdb queries.
-     * @param string $type  Included if a specific type is requested.
-     * @uses get_schema_type()
-     * @return string
-     */
-    protected function _get_wpdb_data_type($type='')
-    {
-        $type = empty($type) ? $this->getSchemaType() : $type;
-
-        //if type is an array, then different parsing is required.
-        if (is_array($type)) {
-            return $this->_get_wpdb_data_type_for_type_array($type);
-        }
-
-        $wpdb_type = '%s';
-        switch ($type) {
-            case 'number':
-                $wpdb_type = '%f';
-                break;
-            case 'integer':
-            case 'boolean':
-                $wpdb_type = '%d';
-                break;
-            case 'object':
-                $properties = $this->getSchemaProperties();
-                if (isset($properties['raw'], $properties['raw']['type'])) {
-                    $wpdb_type = $this->_get_wpdb_data_type($properties['raw']['type']);
-                }
-                break; //leave at default
-        }
-        return $wpdb_type;
-    }
-
-
-
-    protected function _get_wpdb_data_type_for_type_array($type)
-    {
-        $type = (array) $type;
-        //first let's flip because then we can do a faster key check
-        $type = array_flip($type);
-
-        //check for things that mean '%s'
-        if (isset($type['string'],$type['object'],$type['array'])) {
-            return '%s';
-        }
-
-        //if makes it past the above condition and there's float in the array
-        //then the type is %f
-        if (isset($type['number'])) {
-            return '%f';
-        }
-
-        //if it makes it above the above conditions and there is an integer in the array
-        //then the type is %d
-        if (isset($type['integer'])) {
-            return '%d';
-        }
-
-        //anything else is a string
-        return '%s';
-    }
-
-
-    /**
-     * This returns elements used to represent this field in the json schema.
-     *
-     * @link http://json-schema.org/
-     * @return array
-     */
-    public function getSchema()
-    {
-        $schema = array(
-            'description' => $this->getSchemaDescription(),
-            'type' => $this->getSchemaType(),
-            'readonly' => $this->getSchemaReadonly(),
-            'default' => $this->getSchemaDefault()
-        );
-
-        //optional properties of the schema
-        $enum = $this->getSchemaEnum();
-        $properties = $this->getSchemaProperties();
-        $format = $this->getSchemaFormat();
-        if ($enum) {
-            $schema['enum'] = $enum;
-        }
-
-        if ($properties) {
-            $schema['properties'] = $properties;
-        }
-
-        if ($format) {
-            $schema['format'] = $format;
-        }
-        return $schema;
-    }
-
-    /**
-     * Some fields are in the database-only, (ie, used in queries etc), but shouldn't necessarily be part
-     * of the model objects (ie, client code shouldn't care to ever see their value... if client code does
-     * want to see their value, then they shouldn't be db-only fields!)
-     * Eg, when doing events as custom post types, querying the post_type is essential, but
-     * post_type is irrelevant for EE_Event objects (because they will ALL be of post_type 'esp_event').
-     * By default, all fields aren't db-only.
-     *
-     * @return boolean
-     */
-    public function is_db_only_field()
-    {
-        return false;
-    }
-
-
-    /**
-     * Validates the incoming string|array to ensure its an allowable type.
-     * @throws InvalidArgumentException
-     * @param string|array $type
-     */
-    private function validateSchemaType($type)
-    {
-        if (! (is_string($type) || is_array($type))) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%s) must be a string or an array.', 'event_espresso'),
-                    print_r($type, true)
-                )
-            );
-        }
-
-        //validate allowable types.
-        //@link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
-        $allowable_types = array_flip(
-            array(
-                'string',
-                'number',
-                'null',
-                'object',
-                'array',
-                'boolean',
-                'integer'
-            )
-        );
-
-        if (is_array($type)) {
-            foreach ($type as $item_in_type) {
-                $this->validateSchemaType($item_in_type);
-            }
-            return;
-        }
-
-        if (! isset($allowable_types[$type])) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%1$s) must be one of the allowable types: %2$s', 'event_espresso'),
-                    $type,
-                    implode(',', array_flip($allowable_types))
-                )
-            );
-        }
-    }
-
-
-    /**
-     * Validates that the incoming format is an allowable string to use for the _schema_format property
-     * @throws InvalidArgumentException
-     * @param $format
-     */
-    private function validateSchemaFormat($format)
-    {
-        if (! is_string($format)) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%s) must be a string.', 'event_espresso'),
-                    print_r($format, true)
-                )
-            );
-        }
-
-        //validate allowable format values
-        //@link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
-        $allowable_formats = array_flip(
-            array(
-                'date-time',
-                'email',
-                'hostname',
-                'ipv4',
-                'ipv6',
-                'uri',
-                'uriref'
-            )
-        );
-
-        if (! isset($allowable_formats[$format])) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%1$s) must be one of the allowable formats: %2$s', 'event_espresso'),
-                    $format,
-                    implode(',', array_flip($allowable_formats))
-                )
-            );
-        }
-    }
+	/**
+	 * The alias for the table the column belongs to.
+	 * @var string
+	 */
+	protected $_table_alias;
+
+	/**
+	 * The actual db column name for the table
+	 * @var string
+	 */
+	protected $_table_column;
+
+
+	/**
+	 * The authoritative name for the table column (used by client code to reference the field).
+	 * @var string
+	 */
+	protected $_name;
+
+
+	/**
+	 * A description for the field.
+	 * @var string
+	 */
+	protected $_nicename;
+
+
+	/**
+	 * Whether the field is nullable or not
+	 * @var bool
+	 */
+	protected $_nullable;
+
+
+	/**
+	 * What the default value for the field should be.
+	 * @var mixed
+	 */
+	protected $_default_value;
+
+
+	/**
+	 * Other configuration for the field
+	 * @var mixed
+	 */
+	protected $_other_config;
+
+
+	/**
+	 * The name of the model this field is instantiated for.
+	 * @var string
+	 */
+	protected $_model_name;
+
+
+	/**
+	 * This should be a json-schema valid data type for the field.
+	 * @link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
+	 * @var string
+	 */
+	private $_schema_type = 'string';
+
+
+	/**
+	 * If the schema has a defined format then it should be defined via this property.
+	 * @link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
+	 * @var string
+	 */
+	private $_schema_format = '';
+
+
+	/**
+	 * Indicates that the value of the field is managed exclusively by the server/model and not something
+	 * settable by client code.
+	 * @link http://json-schema.org/latest/json-schema-hypermedia.html#rfc.section.4.4
+	 * @var bool
+	 */
+	private $_schema_readonly = false;
+
+
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		$this->_table_column  = $table_column;
+		$this->_nicename      = $nicename;
+		$this->_nullable      = $nullable;
+		$this->_default_value = $default_value;
+	}
+
+
+	/**
+	 * @param $table_alias
+	 * @param $name
+	 * @param $model_name
+	 */
+	public function _construct_finalize($table_alias, $name, $model_name)
+	{
+		$this->_table_alias = $table_alias;
+		$this->_name        = $name;
+		$this->_model_name  = $model_name;
+		/**
+		 * allow for changing the defaults
+		 */
+		$this->_nicename      = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___nicename',
+			$this->_nicename, $this);
+		$this->_default_value = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___default_value',
+			$this->_default_value, $this);
+	}
+
+	public function get_table_alias()
+	{
+		return $this->_table_alias;
+	}
+
+	public function get_table_column()
+	{
+		return $this->_table_column;
+	}
+
+	/**
+	 * Returns the name of the model this field is on. Eg 'Event' or 'Ticket_Datetime'
+	 *
+	 * @return string
+	 */
+	public function get_model_name()
+	{
+		return $this->_model_name;
+	}
+
+	/**
+	 * @throws \EE_Error
+	 * @return string
+	 */
+	public function get_name()
+	{
+		if ($this->_name) {
+			return $this->_name;
+		} else {
+			throw new EE_Error(sprintf(__("Model field '%s' has no name set. Did you make a model and forget to call the parent model constructor?",
+				"event_espresso"), get_class($this)));
+		}
+	}
+
+	public function get_nicename()
+	{
+		return $this->_nicename;
+	}
+
+	public function is_nullable()
+	{
+		return $this->_nullable;
+	}
+
+	/**
+	 * returns whether this field is an auto-increment field or not. If it is, then
+	 * on insertion it can be null. However, on updates it must be present.
+	 *
+	 * @return boolean
+	 */
+	public function is_auto_increment()
+	{
+		return false;
+	}
+
+	/**
+	 * The default value in the model object's value domain. See lengthy comment about
+	 * value domains at the top of EEM_Base
+	 *
+	 * @return mixed
+	 */
+	public function get_default_value()
+	{
+		return $this->_default_value;
+	}
+
+	/**
+	 * Returns the table alias joined to the table column, however this isn't the right
+	 * table alias if the aliased table is being joined to. In that case, you can use
+	 * EE_Model_Parser::extract_table_alias_model_relation_chain_prefix() to find the table's current alias
+	 * in the current query
+	 *
+	 * @return string
+	 */
+	public function get_qualified_column()
+	{
+		return $this->get_table_alias() . "." . $this->get_table_column();
+	}
+
+	/**
+	 * When get() is called on a model object (eg EE_Event), before returning its value,
+	 * call this function on it, allowing us to customize the returned value based on
+	 * the field's type. Eg, we may want ot serialize it, strip tags, etc. By default,
+	 * we simply return it.
+	 *
+	 * @param mixed $value_of_field_on_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_get($value_of_field_on_model_object)
+	{
+		return $value_of_field_on_model_object;
+	}
+
+	/**
+	 * When inserting or updating a field on a model object, run this function on each
+	 * value to prepare it for insertion into the db. We may want to add slashes, serialize it, etc.
+	 * By default, we do nothing.
+	 *
+	 * @param mixed $value_of_field_on_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_use_in_db($value_of_field_on_model_object)
+	{
+		return $value_of_field_on_model_object;
+	}
+
+	/**
+	 * When creating a brand-new model object, or setting a particular value for one of its fields, this function
+	 * is called before setting it on the model object. We may want to strip slashes, unserialize the value, etc.
+	 * By default, we do nothing.
+	 *
+	 * @param mixed $value_inputted_for_field_on_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		return $value_inputted_for_field_on_model_object;
+	}
+
+
+	/**
+	 * When instantiating a model object from DB results, this function is called before setting each field.
+	 * We may want to serialize the value, etc. By default, we return the value using prepare_for_set() method as that
+	 * is the one child classes will most often define.
+	 *
+	 * @param mixed $value_found_in_db_for_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_set_from_db($value_found_in_db_for_model_object)
+	{
+		return $this->prepare_for_set($value_found_in_db_for_model_object);
+	}
+
+	/**
+	 * When echoing a field's value on a model object, this function is run to prepare the value for presentation in a
+	 * webpage. For example, we may want to output floats with 2 decimal places by default, dates as "Monday Jan 12,
+	 * 2013, at 3:23pm" instead of
+	 * "8765678632", or any other modifications to how the value should be displayed, but not modified itself.
+	 *
+	 * @param mixed $value_on_field_to_be_outputted
+	 * @return mixed
+	 */
+	public function prepare_for_pretty_echoing($value_on_field_to_be_outputted)
+	{
+		return $value_on_field_to_be_outputted;
+	}
+
+
+	/**
+	 * Returns whatever is set as the nicename for the object.
+	 * @return string
+	 */
+	public function getSchemaDescription()
+	{
+		return $this->get_nicename();
+	}
+
+
+	/**
+	 * Returns whatever is set as the $_schema_type property for the object.
+	 * Note: this will automatically add 'null' to the schema if the object is_nullable()
+	 * @return string|array
+	 */
+	public function getSchemaType()
+	{
+		if ($this->is_nullable()) {
+			$this->_schema_type = (array) $this->_schema_type;
+			if (! in_array('null', $this->_schema_type)) {
+				$this->_schema_type[] = 'null';
+			};
+		}
+		return $this->_schema_type;
+	}
+
+
+	/**
+	 * Sets the _schema_type property.  Child classes should call this in their constructors to override the default state
+	 * for this property.
+	 * @param string|array $type
+	 * @throws InvalidArgumentException
+	 */
+	protected function setSchemaType($type)
+	{
+		$this->validateSchemaType($type);
+		$this->_schema_type = $type;
+	}
+
+
+	/**
+	 * This is usually present when the $_schema_type property is 'object'.  Any child classes will need to override
+	 * this method and return the properties for the schema.
+	 *
+	 * The reason this is not a property on the class is because there may be filters set on the values for the property
+	 * that won't be exposed on construct.  For example enum type schemas may have the enum values filtered.
+	 *
+	 * @return array
+	 */
+	public function getSchemaProperties()
+	{
+		return array();
+	}
+
+
+
+	/**
+	 * By default this returns the scalar default value that was sent in on the class prepped according to the class type
+	 * as the default.  However, when there are schema properties, then the default property is setup to mirror the
+	 * property keys and correctly prepare the default according to that expected property value.
+	 * The getSchema method validates whether the schema for default is setup correctly or not according to the schema type
+	 *
+	 * @return mixed
+	 */
+	public function getSchemaDefault()
+	{
+		$default_value = $this->prepare_for_use_in_db($this->prepare_for_set($this->get_default_value()));
+		$schema_properties = $this->getSchemaProperties();
+
+		//if this schema has properties than shape the default value to match the properties shape.
+		if ($schema_properties) {
+			$value_to_return = array();
+			foreach ($schema_properties as $property_key => $property_schema) {
+				switch ($property_key) {
+					case 'pretty':
+					case 'rendered':
+						$value_to_return[$property_key] = $this->prepare_for_pretty_echoing($this->prepare_for_set($default_value));
+						break;
+					default:
+						$value_to_return[$property_key] = $default_value;
+						break;
+				}
+			}
+			$default_value = $value_to_return;
+		}
+		return $default_value;
+	}
+
+
+
+
+	/**
+	 * If a child class has enum values, they should override this method and provide a simple array
+	 * of the enum values.
+	 * The reason this is not a property on the class is because there may be filterable enum values that
+	 * are set on the instantiated object that could be filtered after construct.
+	 *
+	 * @return array
+	 */
+	public function getSchemaEnum()
+	{
+		return array();
+	}
+
+
+	/**
+	 * This returns the value of the $_schema_format property on the object.
+	 * @return string
+	 */
+	public function getSchemaFormat()
+	{
+		return $this->_schema_format;
+	}
+
+
+	/**
+	 * Sets the schema format property.
+	 * @throws InvalidArgumentException
+	 * @param string $format
+	 */
+	protected function setSchemaFormat($format)
+	{
+		$this->validateSchemaFormat($format);
+		$this->_schema_format = $format;
+	}
+
+
+	/**
+	 * This returns the value of the $_schema_readonly property on the object.
+	 * @return bool
+	 */
+	public function getSchemaReadonly()
+	{
+		return $this->_schema_readonly;
+	}
+
+
+	/**
+	 * This sets the value for the $_schema_readonly property.
+	 * @param bool $readonly  (only explicit boolean values are accepted)
+	 */
+	protected function setSchemaReadOnly($readonly)
+	{
+		if (! is_bool($readonly)) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%s) must be a boolean.', 'event_espresso'),
+					print_r($readonly, true)
+				)
+			);
+		}
+
+		$this->_schema_readonly = $readonly;
+	}
+
+
+
+
+	/**
+	 * Return `%d`, `%s` or `%f` to indicate the data type for the field.
+	 * @uses _get_wpdb_data_type()
+	 *
+	 * @return string
+	 */
+	public function get_wpdb_data_type()
+	{
+		return $this->_get_wpdb_data_type();
+	}
+
+
+	/**
+	 * Return `%d`, `%s` or `%f` to indicate the data type for the field that should be indicated in wpdb queries.
+	 * @param string $type  Included if a specific type is requested.
+	 * @uses get_schema_type()
+	 * @return string
+	 */
+	protected function _get_wpdb_data_type($type='')
+	{
+		$type = empty($type) ? $this->getSchemaType() : $type;
+
+		//if type is an array, then different parsing is required.
+		if (is_array($type)) {
+			return $this->_get_wpdb_data_type_for_type_array($type);
+		}
+
+		$wpdb_type = '%s';
+		switch ($type) {
+			case 'number':
+				$wpdb_type = '%f';
+				break;
+			case 'integer':
+			case 'boolean':
+				$wpdb_type = '%d';
+				break;
+			case 'object':
+				$properties = $this->getSchemaProperties();
+				if (isset($properties['raw'], $properties['raw']['type'])) {
+					$wpdb_type = $this->_get_wpdb_data_type($properties['raw']['type']);
+				}
+				break; //leave at default
+		}
+		return $wpdb_type;
+	}
+
+
+
+	protected function _get_wpdb_data_type_for_type_array($type)
+	{
+		$type = (array) $type;
+		//first let's flip because then we can do a faster key check
+		$type = array_flip($type);
+
+		//check for things that mean '%s'
+		if (isset($type['string'],$type['object'],$type['array'])) {
+			return '%s';
+		}
+
+		//if makes it past the above condition and there's float in the array
+		//then the type is %f
+		if (isset($type['number'])) {
+			return '%f';
+		}
+
+		//if it makes it above the above conditions and there is an integer in the array
+		//then the type is %d
+		if (isset($type['integer'])) {
+			return '%d';
+		}
+
+		//anything else is a string
+		return '%s';
+	}
+
+
+	/**
+	 * This returns elements used to represent this field in the json schema.
+	 *
+	 * @link http://json-schema.org/
+	 * @return array
+	 */
+	public function getSchema()
+	{
+		$schema = array(
+			'description' => $this->getSchemaDescription(),
+			'type' => $this->getSchemaType(),
+			'readonly' => $this->getSchemaReadonly(),
+			'default' => $this->getSchemaDefault()
+		);
+
+		//optional properties of the schema
+		$enum = $this->getSchemaEnum();
+		$properties = $this->getSchemaProperties();
+		$format = $this->getSchemaFormat();
+		if ($enum) {
+			$schema['enum'] = $enum;
+		}
+
+		if ($properties) {
+			$schema['properties'] = $properties;
+		}
+
+		if ($format) {
+			$schema['format'] = $format;
+		}
+		return $schema;
+	}
+
+	/**
+	 * Some fields are in the database-only, (ie, used in queries etc), but shouldn't necessarily be part
+	 * of the model objects (ie, client code shouldn't care to ever see their value... if client code does
+	 * want to see their value, then they shouldn't be db-only fields!)
+	 * Eg, when doing events as custom post types, querying the post_type is essential, but
+	 * post_type is irrelevant for EE_Event objects (because they will ALL be of post_type 'esp_event').
+	 * By default, all fields aren't db-only.
+	 *
+	 * @return boolean
+	 */
+	public function is_db_only_field()
+	{
+		return false;
+	}
+
+
+	/**
+	 * Validates the incoming string|array to ensure its an allowable type.
+	 * @throws InvalidArgumentException
+	 * @param string|array $type
+	 */
+	private function validateSchemaType($type)
+	{
+		if (! (is_string($type) || is_array($type))) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%s) must be a string or an array.', 'event_espresso'),
+					print_r($type, true)
+				)
+			);
+		}
+
+		//validate allowable types.
+		//@link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
+		$allowable_types = array_flip(
+			array(
+				'string',
+				'number',
+				'null',
+				'object',
+				'array',
+				'boolean',
+				'integer'
+			)
+		);
+
+		if (is_array($type)) {
+			foreach ($type as $item_in_type) {
+				$this->validateSchemaType($item_in_type);
+			}
+			return;
+		}
+
+		if (! isset($allowable_types[$type])) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%1$s) must be one of the allowable types: %2$s', 'event_espresso'),
+					$type,
+					implode(',', array_flip($allowable_types))
+				)
+			);
+		}
+	}
+
+
+	/**
+	 * Validates that the incoming format is an allowable string to use for the _schema_format property
+	 * @throws InvalidArgumentException
+	 * @param $format
+	 */
+	private function validateSchemaFormat($format)
+	{
+		if (! is_string($format)) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%s) must be a string.', 'event_espresso'),
+					print_r($format, true)
+				)
+			);
+		}
+
+		//validate allowable format values
+		//@link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
+		$allowable_formats = array_flip(
+			array(
+				'date-time',
+				'email',
+				'hostname',
+				'ipv4',
+				'ipv6',
+				'uri',
+				'uriref'
+			)
+		);
+
+		if (! isset($allowable_formats[$format])) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%1$s) must be one of the allowable formats: %2$s', 'event_espresso'),
+					$format,
+					implode(',', array_flip($allowable_formats))
+				)
+			);
+		}
+	}
 }
\ No newline at end of file

core/services/cache/TransientCacheStorage.php

Unused Use Statements -4 removed lines

@@ -1,10 +1,6 @@
 <?php
 namespace EventEspresso\core\services\cache;
 
-use EE_Error;
-use WP_Error;
-use wpdb;
-
 defined('EVENT_ESPRESSO_VERSION') || exit;
 
 

Indentation +355 added lines, -355 removed lines

@@ -23,361 +23,361 @@
 class TransientCacheStorage implements CacheStorageInterface
 {
 
-    /**
-     * wp-option option_name for tracking transients
-     *
-     * @type string
-     */
-    const TRANSIENT_SCHEDULE_OPTIONS_KEY = 'ee_transient_schedule';
-
-    /**
-     * @var int $current_time
-     */
-    private $current_time = 0;
-
-    /**
-     * how often to perform transient cleanup
-     *
-     * @var string $transient_cleanup_frequency
-     */
-    private $transient_cleanup_frequency = 'hour';
-
-    /**
-     * options for how often to perform transient cleanup
-     *
-     * @var array $transient_cleanup_frequency_options
-     */
-    private $transient_cleanup_frequency_options = array();
-
-    /**
-     * @var array $transients
-     */
-    private $transients = array();
-
-
-
-    /**
-     * TransientCacheStorage constructor.
-     */
-    public function __construct()
-    {
-        $this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
-        // round current time down to closest 5 minutes to simplify scheduling
-        $this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
-        $this->transients = (array)get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
-        if ( ! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
-            add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
-        }
-    }
-
-
-
-    /**
-     * Sets how often transient cleanup occurs
-     *
-     * @return int
-     */
-    private function setTransientCleanupFrequency()
-    {
-        // sets how often transients are cleaned up
-        $this->transient_cleanup_frequency_options = apply_filters(
-            'FHEE__TransientCacheStorage__transient_cleanup_schedule_options',
-            array(
-                'off',
-                '15-minutes',
-                'hour',
-                '12-hours',
-                'day',
-            )
-        );
-        $transient_cleanup_frequency = apply_filters(
-            'FHEE__TransientCacheStorage__transient_cleanup_schedule',
-            'hour'
-        );
-        return in_array(
-            $transient_cleanup_frequency,
-            $this->transient_cleanup_frequency_options,
-            true
-        )
-            ? $transient_cleanup_frequency
-            : 'hour';
-    }
-
-
-
-    /**
-     * we need to be able to round timestamps off to match the set transient cleanup frequency
-     * so if a transient is set to expire at 1:17 pm for example, and our cleanup schedule is every hour,
-     * then that timestamp needs to be rounded up to 2:00 pm so that it is removed
-     * during the next scheduled cleanup after its expiration.
-     * We also round off the current time timestamp to the closest 5 minutes
-     * just to make the timestamps a little easier to round which helps with debugging.
-     *
-     * @param int    $timestamp [required]
-     * @param string $cleanup_frequency
-     * @param bool   $round_up
-     * @return false|int
-     */
-    private function roundTimestamp($timestamp, $cleanup_frequency = 'hour', $round_up = true)
-    {
-        $cleanup_frequency = $cleanup_frequency ? $cleanup_frequency : $this->transient_cleanup_frequency;
-        // in order to round the time to the closest xx minutes (or hours),
-        // we take the minutes (or hours) portion of the timestamp and divide it by xx,
-        // round down to a whole number, then multiply by xx to bring us almost back up to where we were
-        // why round down ? so the minutes (or hours) don't go over 60 (or 24)
-        // and bump the hour, which could bump the day, which could bump the month, etc,
-        // which would be bad because we don't always want to round up,
-        // but when we do we can easily achieve that by simply adding the desired offset,
-        $minutes = '00';
-        $hours = 'H';
-        switch ($cleanup_frequency) {
-            case '5-minutes' :
-                $minutes = floor((int)date('i', $timestamp) / 5) * 5;
-                $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
-                $offset = MINUTE_IN_SECONDS * 5;
-                break;
-            case '15-minutes' :
-                $minutes = floor((int)date('i', $timestamp) / 15) * 15;
-                $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
-                $offset = MINUTE_IN_SECONDS * 15;
-                break;
-            case '12-hours' :
-                $hours = floor((int)date('H', $timestamp) / 12) * 12;
-                $hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
-                $offset = HOUR_IN_SECONDS * 12;
-                break;
-            case 'day' :
-                $hours = '03'; // run cleanup at 3:00 am (or first site hit after that)
-                $offset = DAY_IN_SECONDS;
-                break;
-            case 'hour' :
-            default :
-                $offset = HOUR_IN_SECONDS;
-                break;
-        }
-        $rounded_timestamp = strtotime(date("Y-m-d {$hours}:{$minutes}:00", $timestamp));
-        $rounded_timestamp += $round_up ? $offset : 0;
-        return apply_filters(
-            'FHEE__TransientCacheStorage__roundTimestamp__timestamp',
-            $rounded_timestamp,
-            $timestamp,
-            $cleanup_frequency,
-            $round_up
-        );
-    }
-
-
-
-    /**
-     * Saves supplied data to a transient
-     * if an expiration is set, then it automatically schedules the transient for cleanup
-     *
-     * @param string $transient_key [required]
-     * @param string $data          [required]
-     * @param int    $expiration    number of seconds until the cache expires
-     * @return bool
-     */
-    public function add($transient_key, $data, $expiration = 0)
-    {
-        $expiration = (int)abs($expiration);
-        $saved = set_transient($transient_key, $data, $expiration);
-        if ($saved && $expiration) {
-            $this->scheduleTransientCleanup($transient_key, $expiration);
-        }
-        return $saved;
-    }
-
-
-
-    /**
-     * retrieves transient data
-     * automatically triggers early cache refresh for standard cache items
-     * in order to avoid cache stampedes on busy sites.
-     * For non-standard cache items like PHP Session data where early refreshing is not wanted,
-     * the $standard_cache parameter should be set to false when retrieving data
-     *
-     * @param string $transient_key [required]
-     * @param bool   $standard_cache
-     * @return mixed|null
-     */
-    public function get($transient_key, $standard_cache = true)
-    {
-        // to avoid cache stampedes (AKA:dogpiles) for standard cache items,
-        // check if known cache expires within the next minute,
-        // and if so, remove it from our tracking and and return nothing.
-        // this should trigger the cache content to be regenerated during this request,
-        // while allowing any following requests to still access the existing cache
-        // until it gets replaced with the refreshed content
-        if (
-            $standard_cache
-            && isset($this->transients[$transient_key])
-            && $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
-        ) {
-            unset($this->transients[$transient_key]);
-            $this->updateTransients();
-            return null;
-        }
-        $content = get_transient($transient_key);
-        return $content !== false ? $content : null;
-    }
-
-
-
-    /**
-     * delete a single transient and remove tracking
-     *
-     * @param string $transient_key [required] full or partial transient key to be deleted
-     */
-    public function delete($transient_key)
-    {
-        $this->deleteMany(array($transient_key));
-    }
-
-
-
-    /**
-     * delete multiple transients and remove tracking
-     *
-     * @param array $transient_keys [required] array of full or partial transient keys to be deleted
-     */
-    public function deleteMany(array $transient_keys)
-    {
-        $full_transient_keys = array();
-        foreach ($this->transients as $transient_key => $expiration) {
-            foreach ($transient_keys as $transient_key_to_delete) {
-                if (strpos($transient_key, $transient_key_to_delete) !== false) {
-                    $full_transient_keys[] = $transient_key;
-                }
-            }
-        }
-        if ($this->deleteTransientKeys($full_transient_keys)) {
-            $this->updateTransients();
-        }
-    }
-
-
-
-    /**
-     * sorts transients numerically by timestamp
-     * then saves the transient schedule to a WP option
-     */
-    private function updateTransients()
-    {
-        asort($this->transients, SORT_NUMERIC);
-        update_option(
-            TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY,
-            $this->transients
-        );
-    }
-
-
-
-    /**
-     * schedules a transient for cleanup by adding it to the transient tracking
-     *
-     * @param string $transient_key [required]
-     * @param int    $expiration    [required]
-     */
-    private function scheduleTransientCleanup($transient_key, $expiration)
-    {
-        // make sure a valid future timestamp is set
-        $expiration += $expiration < time() ? time() : 0;
-        // and round to the closest 15 minutes
-        $expiration = $this->roundTimestamp($expiration);
-        // save transients to clear using their ID as the key to avoid duplicates
-        $this->transients[$transient_key] = $expiration;
-        $this->updateTransients();
-    }
-
-
-
-    /**
-     * Since our tracked transients are sorted by their timestamps
-     * we can grab the first transient and see when it is scheduled for cleanup.
-     * If that timestamp is less than or equal to the current time,
-     * then cleanup is triggered
-     */
-    public function checkTransientCleanupSchedule()
-    {
-        if (empty($this->transients)) {
-            return;
-        }
-        // when do we run the next cleanup job?
-        reset($this->transients);
-        $next_scheduled_cleanup = current($this->transients);
-        // if the next cleanup job is scheduled for the current hour
-        if ($next_scheduled_cleanup <= $this->current_time) {
-            if ($this->cleanupExpiredTransients()) {
-                $this->updateTransients();
-            }
-        }
-    }
-
-
-
-    /**
-     * loops through the array of tracked transients,
-     * compiles a list of those that have expired, and sends that list off for deletion.
-     * Also removes any bad records from the transients array
-     *
-     * @return bool
-     */
-    private function cleanupExpiredTransients()
-    {
-        $update = false;
-        // filter the query limit. Set to 0 to turn off garbage collection
-        $limit = (int)abs(
-            apply_filters(
-                'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
-                50
-            )
-        );
-        // non-zero LIMIT means take out the trash
-        if ($limit) {
-            $transient_keys = array();
-            foreach ($this->transients as $transient_key => $expiration) {
-                if ($expiration > $this->current_time) {
-                    continue;
-                }
-                if ( ! $expiration || ! $transient_key) {
-                    unset($this->transients[$transient_key]);
-                    $update = true;
-                    continue;
-                }
-                $transient_keys[] = $transient_key;
-            }
-            // delete expired keys, but maintain value of $update if nothing is deleted
-            $update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
-            do_action( 'FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
-        }
-        return $update;
-    }
-
-
-
-    /**
-     * calls delete_transient() on each transient key provided, up to the specified limit
-     *
-     * @param array $transient_keys [required]
-     * @param int   $limit
-     * @return bool
-     */
-    private function deleteTransientKeys(array $transient_keys, $limit = 50)
-    {
-        if (empty($transient_keys)) {
-            return false;
-        }
-        $counter = 0;
-        foreach ($transient_keys as $transient_key) {
-            if($counter === $limit){
-                break;
-            }
-            delete_transient($transient_key);
-            unset($this->transients[$transient_key]);
-            $counter++;
-        }
-        return $counter > 0;
-    }
+	/**
+	 * wp-option option_name for tracking transients
+	 *
+	 * @type string
+	 */
+	const TRANSIENT_SCHEDULE_OPTIONS_KEY = 'ee_transient_schedule';
+
+	/**
+	 * @var int $current_time
+	 */
+	private $current_time = 0;
+
+	/**
+	 * how often to perform transient cleanup
+	 *
+	 * @var string $transient_cleanup_frequency
+	 */
+	private $transient_cleanup_frequency = 'hour';
+
+	/**
+	 * options for how often to perform transient cleanup
+	 *
+	 * @var array $transient_cleanup_frequency_options
+	 */
+	private $transient_cleanup_frequency_options = array();
+
+	/**
+	 * @var array $transients
+	 */
+	private $transients = array();
+
+
+
+	/**
+	 * TransientCacheStorage constructor.
+	 */
+	public function __construct()
+	{
+		$this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
+		// round current time down to closest 5 minutes to simplify scheduling
+		$this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
+		$this->transients = (array)get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
+		if ( ! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
+			add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
+		}
+	}
+
+
+
+	/**
+	 * Sets how often transient cleanup occurs
+	 *
+	 * @return int
+	 */
+	private function setTransientCleanupFrequency()
+	{
+		// sets how often transients are cleaned up
+		$this->transient_cleanup_frequency_options = apply_filters(
+			'FHEE__TransientCacheStorage__transient_cleanup_schedule_options',
+			array(
+				'off',
+				'15-minutes',
+				'hour',
+				'12-hours',
+				'day',
+			)
+		);
+		$transient_cleanup_frequency = apply_filters(
+			'FHEE__TransientCacheStorage__transient_cleanup_schedule',
+			'hour'
+		);
+		return in_array(
+			$transient_cleanup_frequency,
+			$this->transient_cleanup_frequency_options,
+			true
+		)
+			? $transient_cleanup_frequency
+			: 'hour';
+	}
+
+
+
+	/**
+	 * we need to be able to round timestamps off to match the set transient cleanup frequency
+	 * so if a transient is set to expire at 1:17 pm for example, and our cleanup schedule is every hour,
+	 * then that timestamp needs to be rounded up to 2:00 pm so that it is removed
+	 * during the next scheduled cleanup after its expiration.
+	 * We also round off the current time timestamp to the closest 5 minutes
+	 * just to make the timestamps a little easier to round which helps with debugging.
+	 *
+	 * @param int    $timestamp [required]
+	 * @param string $cleanup_frequency
+	 * @param bool   $round_up
+	 * @return false|int
+	 */
+	private function roundTimestamp($timestamp, $cleanup_frequency = 'hour', $round_up = true)
+	{
+		$cleanup_frequency = $cleanup_frequency ? $cleanup_frequency : $this->transient_cleanup_frequency;
+		// in order to round the time to the closest xx minutes (or hours),
+		// we take the minutes (or hours) portion of the timestamp and divide it by xx,
+		// round down to a whole number, then multiply by xx to bring us almost back up to where we were
+		// why round down ? so the minutes (or hours) don't go over 60 (or 24)
+		// and bump the hour, which could bump the day, which could bump the month, etc,
+		// which would be bad because we don't always want to round up,
+		// but when we do we can easily achieve that by simply adding the desired offset,
+		$minutes = '00';
+		$hours = 'H';
+		switch ($cleanup_frequency) {
+			case '5-minutes' :
+				$minutes = floor((int)date('i', $timestamp) / 5) * 5;
+				$minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
+				$offset = MINUTE_IN_SECONDS * 5;
+				break;
+			case '15-minutes' :
+				$minutes = floor((int)date('i', $timestamp) / 15) * 15;
+				$minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
+				$offset = MINUTE_IN_SECONDS * 15;
+				break;
+			case '12-hours' :
+				$hours = floor((int)date('H', $timestamp) / 12) * 12;
+				$hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
+				$offset = HOUR_IN_SECONDS * 12;
+				break;
+			case 'day' :
+				$hours = '03'; // run cleanup at 3:00 am (or first site hit after that)
+				$offset = DAY_IN_SECONDS;
+				break;
+			case 'hour' :
+			default :
+				$offset = HOUR_IN_SECONDS;
+				break;
+		}
+		$rounded_timestamp = strtotime(date("Y-m-d {$hours}:{$minutes}:00", $timestamp));
+		$rounded_timestamp += $round_up ? $offset : 0;
+		return apply_filters(
+			'FHEE__TransientCacheStorage__roundTimestamp__timestamp',
+			$rounded_timestamp,
+			$timestamp,
+			$cleanup_frequency,
+			$round_up
+		);
+	}
+
+
+
+	/**
+	 * Saves supplied data to a transient
+	 * if an expiration is set, then it automatically schedules the transient for cleanup
+	 *
+	 * @param string $transient_key [required]
+	 * @param string $data          [required]
+	 * @param int    $expiration    number of seconds until the cache expires
+	 * @return bool
+	 */
+	public function add($transient_key, $data, $expiration = 0)
+	{
+		$expiration = (int)abs($expiration);
+		$saved = set_transient($transient_key, $data, $expiration);
+		if ($saved && $expiration) {
+			$this->scheduleTransientCleanup($transient_key, $expiration);
+		}
+		return $saved;
+	}
+
+
+
+	/**
+	 * retrieves transient data
+	 * automatically triggers early cache refresh for standard cache items
+	 * in order to avoid cache stampedes on busy sites.
+	 * For non-standard cache items like PHP Session data where early refreshing is not wanted,
+	 * the $standard_cache parameter should be set to false when retrieving data
+	 *
+	 * @param string $transient_key [required]
+	 * @param bool   $standard_cache
+	 * @return mixed|null
+	 */
+	public function get($transient_key, $standard_cache = true)
+	{
+		// to avoid cache stampedes (AKA:dogpiles) for standard cache items,
+		// check if known cache expires within the next minute,
+		// and if so, remove it from our tracking and and return nothing.
+		// this should trigger the cache content to be regenerated during this request,
+		// while allowing any following requests to still access the existing cache
+		// until it gets replaced with the refreshed content
+		if (
+			$standard_cache
+			&& isset($this->transients[$transient_key])
+			&& $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
+		) {
+			unset($this->transients[$transient_key]);
+			$this->updateTransients();
+			return null;
+		}
+		$content = get_transient($transient_key);
+		return $content !== false ? $content : null;
+	}
+
+
+
+	/**
+	 * delete a single transient and remove tracking
+	 *
+	 * @param string $transient_key [required] full or partial transient key to be deleted
+	 */
+	public function delete($transient_key)
+	{
+		$this->deleteMany(array($transient_key));
+	}
+
+
+
+	/**
+	 * delete multiple transients and remove tracking
+	 *
+	 * @param array $transient_keys [required] array of full or partial transient keys to be deleted
+	 */
+	public function deleteMany(array $transient_keys)
+	{
+		$full_transient_keys = array();
+		foreach ($this->transients as $transient_key => $expiration) {
+			foreach ($transient_keys as $transient_key_to_delete) {
+				if (strpos($transient_key, $transient_key_to_delete) !== false) {
+					$full_transient_keys[] = $transient_key;
+				}
+			}
+		}
+		if ($this->deleteTransientKeys($full_transient_keys)) {
+			$this->updateTransients();
+		}
+	}
+
+
+
+	/**
+	 * sorts transients numerically by timestamp
+	 * then saves the transient schedule to a WP option
+	 */
+	private function updateTransients()
+	{
+		asort($this->transients, SORT_NUMERIC);
+		update_option(
+			TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY,
+			$this->transients
+		);
+	}
+
+
+
+	/**
+	 * schedules a transient for cleanup by adding it to the transient tracking
+	 *
+	 * @param string $transient_key [required]
+	 * @param int    $expiration    [required]
+	 */
+	private function scheduleTransientCleanup($transient_key, $expiration)
+	{
+		// make sure a valid future timestamp is set
+		$expiration += $expiration < time() ? time() : 0;
+		// and round to the closest 15 minutes
+		$expiration = $this->roundTimestamp($expiration);
+		// save transients to clear using their ID as the key to avoid duplicates
+		$this->transients[$transient_key] = $expiration;
+		$this->updateTransients();
+	}
+
+
+
+	/**
+	 * Since our tracked transients are sorted by their timestamps
+	 * we can grab the first transient and see when it is scheduled for cleanup.
+	 * If that timestamp is less than or equal to the current time,
+	 * then cleanup is triggered
+	 */
+	public function checkTransientCleanupSchedule()
+	{
+		if (empty($this->transients)) {
+			return;
+		}
+		// when do we run the next cleanup job?
+		reset($this->transients);
+		$next_scheduled_cleanup = current($this->transients);
+		// if the next cleanup job is scheduled for the current hour
+		if ($next_scheduled_cleanup <= $this->current_time) {
+			if ($this->cleanupExpiredTransients()) {
+				$this->updateTransients();
+			}
+		}
+	}
+
+
+
+	/**
+	 * loops through the array of tracked transients,
+	 * compiles a list of those that have expired, and sends that list off for deletion.
+	 * Also removes any bad records from the transients array
+	 *
+	 * @return bool
+	 */
+	private function cleanupExpiredTransients()
+	{
+		$update = false;
+		// filter the query limit. Set to 0 to turn off garbage collection
+		$limit = (int)abs(
+			apply_filters(
+				'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
+				50
+			)
+		);
+		// non-zero LIMIT means take out the trash
+		if ($limit) {
+			$transient_keys = array();
+			foreach ($this->transients as $transient_key => $expiration) {
+				if ($expiration > $this->current_time) {
+					continue;
+				}
+				if ( ! $expiration || ! $transient_key) {
+					unset($this->transients[$transient_key]);
+					$update = true;
+					continue;
+				}
+				$transient_keys[] = $transient_key;
+			}
+			// delete expired keys, but maintain value of $update if nothing is deleted
+			$update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
+			do_action( 'FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
+		}
+		return $update;
+	}
+
+
+
+	/**
+	 * calls delete_transient() on each transient key provided, up to the specified limit
+	 *
+	 * @param array $transient_keys [required]
+	 * @param int   $limit
+	 * @return bool
+	 */
+	private function deleteTransientKeys(array $transient_keys, $limit = 50)
+	{
+		if (empty($transient_keys)) {
+			return false;
+		}
+		$counter = 0;
+		foreach ($transient_keys as $transient_key) {
+			if($counter === $limit){
+				break;
+			}
+			delete_transient($transient_key);
+			unset($this->transients[$transient_key]);
+			$counter++;
+		}
+		return $counter > 0;
+	}
 
 
 }

Spacing +8 added lines, -8 removed lines

@@ -64,7 +64,7 @@ 
         $this->transient_cleanup_frequency = $this->setTransientCleanupFrequency();
         // round current time down to closest 5 minutes to simplify scheduling
         $this->current_time = $this->roundTimestamp(time(), '5-minutes', false);
-        $this->transients = (array)get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
+        $this->transients = (array) get_option(TransientCacheStorage::TRANSIENT_SCHEDULE_OPTIONS_KEY, array());
         if ( ! (defined('DOING_AJAX') && DOING_AJAX) && $this->transient_cleanup_frequency !== 'off') {
             add_action('shutdown', array($this, 'checkTransientCleanupSchedule'), 999);
         }
@@ -132,17 +132,17 @@ 
         $hours = 'H';
         switch ($cleanup_frequency) {
             case '5-minutes' :
-                $minutes = floor((int)date('i', $timestamp) / 5) * 5;
+                $minutes = floor((int) date('i', $timestamp) / 5) * 5;
                 $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
                 $offset = MINUTE_IN_SECONDS * 5;
                 break;
             case '15-minutes' :
-                $minutes = floor((int)date('i', $timestamp) / 15) * 15;
+                $minutes = floor((int) date('i', $timestamp) / 15) * 15;
                 $minutes = str_pad($minutes, 2, '0', STR_PAD_LEFT);
                 $offset = MINUTE_IN_SECONDS * 15;
                 break;
             case '12-hours' :
-                $hours = floor((int)date('H', $timestamp) / 12) * 12;
+                $hours = floor((int) date('H', $timestamp) / 12) * 12;
                 $hours = str_pad($hours, 2, '0', STR_PAD_LEFT);
                 $offset = HOUR_IN_SECONDS * 12;
                 break;
@@ -179,7 +179,7 @@ 
      */
     public function add($transient_key, $data, $expiration = 0)
     {
-        $expiration = (int)abs($expiration);
+        $expiration = (int) abs($expiration);
         $saved = set_transient($transient_key, $data, $expiration);
         if ($saved && $expiration) {
             $this->scheduleTransientCleanup($transient_key, $expiration);
@@ -326,7 +326,7 @@ 
     {
         $update = false;
         // filter the query limit. Set to 0 to turn off garbage collection
-        $limit = (int)abs(
+        $limit = (int) abs(
             apply_filters(
                 'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
                 50
@@ -348,7 +348,7 @@ 
             }
             // delete expired keys, but maintain value of $update if nothing is deleted
             $update = $this->deleteTransientKeys($transient_keys, $limit) ? true : $update;
-            do_action( 'FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
+            do_action('FHEE__TransientCacheStorage__clearExpiredTransients__end', $this);
         }
         return $update;
     }
@@ -369,7 +369,7 @@ 
         }
         $counter = 0;
         foreach ($transient_keys as $transient_key) {
-            if($counter === $limit){
+            if ($counter === $limit) {
                 break;
             }
             delete_transient($transient_key);