eventespresso / event-espresso-core

modules/core_rest_api/EED_Core_Rest_Api.module.php

Indentation +1249 added lines, -1249 removed lines

@@ -23,1256 +23,1256 @@
 class EED_Core_Rest_Api extends \EED_Module
 {
 
-    const ee_api_namespace           = 'ee/v';
+	const ee_api_namespace           = 'ee/v';
 
-    const ee_api_namespace_for_regex = 'ee\/v([^/]*)\/';
-
-    const saved_routes_option_names  = 'ee_core_routes';
-
-    /**
-     * string used in _links response bodies to make them globally unique.
-     *
-     * @see http://v2.wp-api.org/extending/linking/
-     */
-    const ee_api_link_namespace = 'https://api.eventespresso.com/';
-
-    /**
-     * @var CalculatedModelFields
-     */
-    protected static $_field_calculator;
-
-
-
-    /**
-     * @return EED_Core_Rest_Api|EED_Module
-     */
-    public static function instance()
-    {
-        self::$_field_calculator = new CalculatedModelFields();
-        return parent::get_instance(__CLASS__);
-    }
-
-
-
-    /**
-     *    set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function set_hooks()
-    {
-        self::set_hooks_both();
-    }
-
-
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function set_hooks_admin()
-    {
-        self::set_hooks_both();
-    }
-
-
-
-    public static function set_hooks_both()
-    {
-        add_action('rest_api_init', array('EED_Core_Rest_Api', 'register_routes'), 10);
-        add_action('rest_api_init', array('EED_Core_Rest_Api', 'set_hooks_rest_api'), 5);
-        add_filter('rest_route_data', array('EED_Core_Rest_Api', 'hide_old_endpoints'), 10, 2);
-        add_filter('rest_index',
-            array('EventEspresso\core\libraries\rest_api\controllers\model\Meta', 'filterEeMetadataIntoIndex'));
-        EED_Core_Rest_Api::invalidate_cached_route_data_on_version_change();
-    }
-
-
-
-    /**
-     * sets up hooks which only need to be included as part of REST API requests;
-     * other requests like to the frontend or admin etc don't need them
-     *
-     * @throws \EE_Error
-     */
-    public static function set_hooks_rest_api()
-    {
-        //set hooks which account for changes made to the API
-        EED_Core_Rest_Api::_set_hooks_for_changes();
-    }
-
-
-
-    /**
-     * public wrapper of _set_hooks_for_changes.
-     * Loads all the hooks which make requests to old versions of the API
-     * appear the same as they always did
-     *
-     * @throws EE_Error
-     */
-    public static function set_hooks_for_changes()
-    {
-        self::_set_hooks_for_changes();
-    }
-
-
-
-    /**
-     * Loads all the hooks which make requests to old versions of the API
-     * appear the same as they always did
-     *
-     * @throws EE_Error
-     */
-    protected static function _set_hooks_for_changes()
-    {
-        $folder_contents = EEH_File::get_contents_of_folders(array(EE_LIBRARIES . 'rest_api' . DS . 'changes'), false);
-        foreach ($folder_contents as $classname_in_namespace => $filepath) {
-            //ignore the base parent class
-            //and legacy named classes
-            if ($classname_in_namespace === 'ChangesInBase'
-                || strpos($classname_in_namespace, 'Changes_In_') === 0
-            ) {
-                continue;
-            }
-            $full_classname = 'EventEspresso\core\libraries\rest_api\changes\\' . $classname_in_namespace;
-            if (class_exists($full_classname)) {
-                $instance_of_class = new $full_classname;
-                if ($instance_of_class instanceof ChangesInBase) {
-                    $instance_of_class->setHooks();
-                }
-            }
-        }
-    }
-
-
-
-    /**
-     * Filters the WP routes to add our EE-related ones. This takes a bit of time
-     * so we actually prefer to only do it when an EE plugin is activated or upgraded
-     *
-     * @throws \EE_Error
-     */
-    public static function register_routes()
-    {
-        foreach (EED_Core_Rest_Api::get_ee_route_data() as $namespace => $relative_routes) {
-            foreach ($relative_routes as $relative_route => $data_for_multiple_endpoints) {
-                /**
-                 * @var array $data_for_multiple_endpoints numerically indexed array
-                 *                                         but can also contain route options like {
-                 * @type array    $schema                      {
-                 * @type callable $schema_callback
-                 * @type array    $callback_args               arguments that will be passed to the callback, after the
-                 * WP_REST_Request of course
-                 * }
-                 * }
-                 */
-                //when registering routes, register all the endpoints' data at the same time
-                $multiple_endpoint_args = array();
-                foreach ($data_for_multiple_endpoints as $endpoint_key => $data_for_single_endpoint) {
-                    /**
-                     * @var array     $data_for_single_endpoint {
-                     * @type callable $callback
-                     * @type string methods
-                     * @type array args
-                     * @type array _links
-                     * @type array    $callback_args            arguments that will be passed to the callback, after the
-                     * WP_REST_Request of course
-                     * }
-                     */
-                    //skip route options
-                    if (! is_numeric($endpoint_key)) {
-                        continue;
-                    }
-                    if (! isset($data_for_single_endpoint['callback'], $data_for_single_endpoint['methods'])) {
-                        throw new EE_Error(
-                            esc_html__(
-                                // @codingStandardsIgnoreStart
-                                'Endpoint configuration data needs to have entries "callback" (callable) and "methods" (comma-separated list of accepts HTTP methods).',
-                                // @codingStandardsIgnoreEnd
-                                'event_espresso')
-                        );
-                    }
-                    $callback = $data_for_single_endpoint['callback'];
-                    $single_endpoint_args = array(
-                        'methods' => $data_for_single_endpoint['methods'],
-                        'args'    => isset($data_for_single_endpoint['args']) ? $data_for_single_endpoint['args']
-                            : array(),
-                    );
-                    if (isset($data_for_single_endpoint['_links'])) {
-                        $single_endpoint_args['_links'] = $data_for_single_endpoint['_links'];
-                    }
-                    if (isset($data_for_single_endpoint['callback_args'])) {
-                        $callback_args = $data_for_single_endpoint['callback_args'];
-                        $single_endpoint_args['callback'] = function (\WP_REST_Request $request) use (
-                            $callback,
-                            $callback_args
-                        ) {
-                            array_unshift($callback_args, $request);
-                            return call_user_func_array(
-                                $callback,
-                                $callback_args
-                            );
-                        };
-                    } else {
-                        $single_endpoint_args['callback'] = $data_for_single_endpoint['callback'];
-                    }
-                    $multiple_endpoint_args[] = $single_endpoint_args;
-                }
-                if (isset($data_for_multiple_endpoints['schema'])) {
-                    $schema_route_data = $data_for_multiple_endpoints['schema'];
-                    $schema_callback = $schema_route_data['schema_callback'];
-                    $callback_args = $schema_route_data['callback_args'];
-                    $multiple_endpoint_args['schema'] = function () use ($schema_callback, $callback_args) {
-                        return call_user_func_array(
-                            $schema_callback,
-                            $callback_args
-                        );
-                    };
-                }
-                register_rest_route(
-                    $namespace,
-                    $relative_route,
-                    $multiple_endpoint_args
-                );
-            }
-        }
-    }
-
-
-
-    /**
-     * Checks if there was a version change or something that merits invalidating the cached
-     * route data. If so, invalidates the cached route data so that it gets refreshed
-     * next time the WP API is used
-     */
-    public static function invalidate_cached_route_data_on_version_change()
-    {
-        if (EE_System::instance()->detect_req_type() !== EE_System::req_type_normal) {
-            EED_Core_Rest_Api::invalidate_cached_route_data();
-        }
-        foreach (EE_Registry::instance()->addons as $addon) {
-            if ($addon instanceof EE_Addon && $addon->detect_req_type() !== EE_System::req_type_normal) {
-                EED_Core_Rest_Api::invalidate_cached_route_data();
-            }
-        }
-    }
-
-
-
-    /**
-     * Removes the cached route data so it will get refreshed next time the WP API is used
-     */
-    public static function invalidate_cached_route_data()
-    {
-        //delete the saved EE REST API routes
-        foreach (EED_Core_Rest_Api::versions_served() as $version => $hidden) {
-            delete_option(EED_Core_Rest_Api::saved_routes_option_names . $version);
-        }
-    }
-
-
-
-    /**
-     * Gets the EE route data
-     *
-     * @return array top-level key is the namespace, next-level key is the route and its value is array{
-     * @throws \EE_Error
-     * @type string|array $callback
-     * @type string       $methods
-     * @type boolean      $hidden_endpoint
-     * }
-     */
-    public static function get_ee_route_data()
-    {
-        $ee_routes = array();
-        foreach (self::versions_served() as $version => $hidden_endpoints) {
-            $ee_routes[self::ee_api_namespace . $version] = self::_get_ee_route_data_for_version(
-                $version,
-                $hidden_endpoints
-            );
-        }
-        return $ee_routes;
-    }
-
-
-
-    /**
-     * Gets the EE route data from the wp options if it exists already,
-     * otherwise re-generates it and saves it to the option
-     *
-     * @param string  $version
-     * @param boolean $hidden_endpoints
-     * @return array
-     * @throws \EE_Error
-     */
-    protected static function _get_ee_route_data_for_version($version, $hidden_endpoints = false)
-    {
-        $ee_routes = get_option(self::saved_routes_option_names . $version, null);
-        if (! $ee_routes || (defined('EE_REST_API_DEBUG_MODE') && EE_REST_API_DEBUG_MODE)) {
-            $ee_routes = self::_save_ee_route_data_for_version($version, $hidden_endpoints);
-        }
-        return $ee_routes;
-    }
-
-
-
-    /**
-     * Saves the EE REST API route data to a wp option and returns it
-     *
-     * @param string  $version
-     * @param boolean $hidden_endpoints
-     * @return mixed|null
-     * @throws \EE_Error
-     */
-    protected static function _save_ee_route_data_for_version($version, $hidden_endpoints = false)
-    {
-        $instance = self::instance();
-        $routes = apply_filters(
-            'EED_Core_Rest_Api__save_ee_route_data_for_version__routes',
-            array_replace_recursive(
-                $instance->_get_config_route_data_for_version($version, $hidden_endpoints),
-                $instance->_get_meta_route_data_for_version($version, $hidden_endpoints),
-                $instance->_get_model_route_data_for_version($version, $hidden_endpoints),
-                $instance->_get_rpc_route_data_for_version($version, $hidden_endpoints)
-            )
-        );
-        $option_name = self::saved_routes_option_names . $version;
-        if (get_option($option_name)) {
-            update_option($option_name, $routes, true);
-        } else {
-            add_option($option_name, $routes, null, 'no');
-        }
-        return $routes;
-    }
-
-
-
-    /**
-     * Calculates all the EE routes and saves it to a WordPress option so we don't
-     * need to calculate it on every request
-     *
-     * @deprecated since version 4.9.1
-     * @return void
-     */
-    public static function save_ee_routes()
-    {
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            $instance = self::instance();
-            $routes = apply_filters(
-                'EED_Core_Rest_Api__save_ee_routes__routes',
-                array_replace_recursive(
-                    $instance->_register_config_routes(),
-                    $instance->_register_meta_routes(),
-                    $instance->_register_model_routes(),
-                    $instance->_register_rpc_routes()
-                )
-            );
-            update_option(self::saved_routes_option_names, $routes, true);
-        }
-    }
-
-
-
-    /**
-     * Gets all the route information relating to EE models
-     *
-     * @return array @see get_ee_route_data
-     * @deprecated since version 4.9.1
-     */
-    protected function _register_model_routes()
-    {
-        $model_routes = array();
-        foreach (self::versions_served() as $version => $hidden_endpoint) {
-            $model_routes[EED_Core_Rest_Api::ee_api_namespace
-                          . $version] = $this->_get_config_route_data_for_version($version, $hidden_endpoint);
-        }
-        return $model_routes;
-    }
-
-
-
-    /**
-     * Decides whether or not to add write endpoints for this model.
-     *
-     * Currently, this defaults to exclude all global tables and models
-     * which would allow inserting WP core data (we don't want to duplicate
-     * what WP API does, as it's unnecessary, extra work, and potentially extra bugs)
-     * @param EEM_Base $model
-     * @return bool
-     */
-    public static function should_have_write_endpoints(EEM_Base $model)
-    {
-        if ($model->is_wp_core_model()){
-            return false;
-        }
-        foreach($model->get_tables() as $table){
-            if( $table->is_global()){
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-
-    /**
-     * Gets the names of all models which should have plural routes (eg `ee/v4.8.36/events`)
-     * in this versioned namespace of EE4
-     * @param $version
-     * @return array keys are model names (eg 'Event') and values ar either classnames (eg 'EEM_Event')
-     */
-    public static function model_names_with_plural_routes($version){
-        $model_version_info = new ModelVersionInfo($version);
-        $models_to_register = $model_version_info->modelsForRequestedVersion();
-        //let's not bother having endpoints for extra metas
-        unset(
-            $models_to_register['Extra_Meta'],
-            $models_to_register['Extra_Join'],
-            $models_to_register['Post_Meta']
-        );
-        return apply_filters(
-            'FHEE__EED_Core_REST_API___register_model_routes',
-            $models_to_register
-        );
-    }
-
-
-
-    /**
-     * Gets the route data for EE models in the specified version
-     *
-     * @param string  $version
-     * @param boolean $hidden_endpoint
-     * @return array
-     * @throws EE_Error
-     */
-    protected function _get_model_route_data_for_version($version, $hidden_endpoint = false)
-    {
-        $model_routes = array();
-        $model_version_info = new ModelVersionInfo($version);
-        foreach (EED_Core_Rest_Api::model_names_with_plural_routes($version) as $model_name => $model_classname) {
-            $model = \EE_Registry::instance()->load_model($model_name);
-            //if this isn't a valid model then let's skip iterate to the next item in the loop.
-            if (! $model instanceof EEM_Base) {
-                continue;
-            }
-            //yes we could just register one route for ALL models, but then they wouldn't show up in the index
-            $plural_model_route = EED_Core_Rest_Api::get_collection_route($model);
-            $singular_model_route = EED_Core_Rest_Api::get_entity_route($model, '(?P<id>[^\/]+)');
-            $model_routes[$plural_model_route] = array(
-                array(
-                    'callback'        => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\model\Read',
-                        'handleRequestGetAll',
-                    ),
-                    'callback_args'   => array($version, $model_name),
-                    'methods'         => WP_REST_Server::READABLE,
-                    'hidden_endpoint' => $hidden_endpoint,
-                    'args'            => $this->_get_read_query_params($model, $version),
-                    '_links'          => array(
-                        'self' => rest_url(EED_Core_Rest_Api::ee_api_namespace . $version . $singular_model_route),
-                    ),
-                ),
-                'schema' => array(
-                    'schema_callback' => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\model\Read',
-                        'handleSchemaRequest',
-                    ),
-                    'callback_args'   => array($version, $model_name),
-                ),
-            );
-            $model_routes[$singular_model_route] = array(
-                array(
-                    'callback'        => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\model\Read',
-                        'handleRequestGetOne',
-                    ),
-                    'callback_args'   => array($version, $model_name),
-                    'methods'         => WP_REST_Server::READABLE,
-                    'hidden_endpoint' => $hidden_endpoint,
-                    'args'            => $this->_get_response_selection_query_params($model, $version),
-                ),
-            );
-            if( apply_filters(
-                'FHEE__EED_Core_Rest_Api___get_model_route_data_for_version__add_write_endpoints',
-                EED_Core_Rest_Api::should_have_write_endpoints($model),
-                $model
-            )){
-                $model_routes[$plural_model_route][] = array(
-                    'callback'        => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\model\Write',
-                        'handleRequestInsert',
-                    ),
-                    'callback_args'   => array($version, $model_name),
-                    'methods'         => WP_REST_Server::CREATABLE,
-                    'hidden_endpoint' => $hidden_endpoint,
-                    'args'            => $this->_get_write_params($model_name, $model_version_info, true),
-                );
-                $model_routes[$singular_model_route] = array_merge(
-                    $model_routes[$singular_model_route],
-                    array(
-                        array(
-                            'callback'        => array(
-                                'EventEspresso\core\libraries\rest_api\controllers\model\Write',
-                                'handleRequestUpdate',
-                            ),
-                            'callback_args'   => array($version, $model_name),
-                            'methods'         => WP_REST_Server::EDITABLE,
-                            'hidden_endpoint' => $hidden_endpoint,
-                            'args'            => $this->_get_write_params($model_name, $model_version_info),
-                        ),
-                        array(
-                            'callback'        => array(
-                                'EventEspresso\core\libraries\rest_api\controllers\model\Write',
-                                'handleRequestDelete',
-                            ),
-                            'callback_args'   => array($version, $model_name),
-                            'methods'         => WP_REST_Server::DELETABLE,
-                            'hidden_endpoint' => $hidden_endpoint,
-                            'args'            => $this->_get_delete_query_params($model, $version),
-                        )
-                    )
-                );
-            }
-            foreach ($model->relation_settings() as $relation_name => $relation_obj) {
-
-                $related_route = EED_Core_Rest_Api::get_relation_route_via(
-                    $model,
-                    '(?P<id>[^\/]+)',
-                    $relation_obj
-                );
-                $endpoints = array(
-                    array(
-                        'callback'        => array(
-                            'EventEspresso\core\libraries\rest_api\controllers\model\Read',
-                            'handleRequestGetRelated',
-                        ),
-                        'callback_args'   => array($version, $model_name, $relation_name),
-                        'methods'         => WP_REST_Server::READABLE,
-                        'hidden_endpoint' => $hidden_endpoint,
-                        'args'            => $this->_get_read_query_params($relation_obj->get_other_model(), $version),
-                    ),
-                );
-                $model_routes[$related_route] = $endpoints;
-            }
-        }
-        return $model_routes;
-    }
-
-
-
-    /**
-     * Gets the relative URI to a model's REST API plural route, after the EE4 versioned namespace,
-     * excluding the preceding slash.
-     * Eg you pass get_plural_route_to('Event') = 'events'
-     *
-     * @param EEM_Base $model
-     * @return string
-     */
-    public static function get_collection_route(EEM_Base $model)
-    {
-        return EEH_Inflector::pluralize_and_lower($model->get_this_model_name());
-    }
-
-
-
-    /**
-     * Gets the relative URI to a model's REST API singular route, after the EE4 versioned namespace,
-     * excluding the preceding slash.
-     * Eg you pass get_plural_route_to('Event', 12) = 'events/12'
-     *
-     * @param EEM_Base $model eg Event or Venue
-     * @param string $id
-     * @return string
-     */
-    public static function get_entity_route($model, $id)
-    {
-        return EED_Core_Rest_Api::get_collection_route($model). '/' . $id;
-    }
-
-
-    /**
-     * Gets the relative URI to a model's REST API singular route, after the EE4 versioned namespace,
-     * excluding the preceding slash.
-     * Eg you pass get_plural_route_to('Event', 12) = 'events/12'
-     *
-     * @param EEM_Base                 $model eg Event or Venue
-     * @param string                 $id
-     * @param EE_Model_Relation_Base $relation_obj
-     * @return string
-     */
-    public static function get_relation_route_via(EEM_Base $model, $id, EE_Model_Relation_Base $relation_obj)
-    {
-        $related_model_name_endpoint_part = ModelRead::getRelatedEntityName(
-            $relation_obj->get_other_model()->get_this_model_name(),
-            $relation_obj
-        );
-        return EED_Core_Rest_Api::get_entity_route($model, $id) . '/' . $related_model_name_endpoint_part;
-    }
-
-
-
-    /**
-     * Adds onto the $relative_route the EE4 REST API versioned namespace.
-     * Eg if given '4.8.36' and 'events', will return 'ee/v4.8.36/events'
-     * @param string $relative_route
-     * @param string $version
-     * @return string
-     */
-    public static function get_versioned_route_to($relative_route, $version = '4.8.36'){
-        return '/' . EED_Core_Rest_Api::ee_api_namespace . $version . '/' . $relative_route;
-    }
-
-
-
-    /**
-     * Adds all the RPC-style routes (remote procedure call-like routes, ie
-     * routes that don't conform to the traditional REST CRUD-style).
-     *
-     * @deprecated since 4.9.1
-     */
-    protected function _register_rpc_routes()
-    {
-        $routes = array();
-        foreach (self::versions_served() as $version => $hidden_endpoint) {
-            $routes[self::ee_api_namespace . $version] = $this->_get_rpc_route_data_for_version(
-                $version,
-                $hidden_endpoint
-            );
-        }
-        return $routes;
-    }
-
-
-
-    /**
-     * @param string  $version
-     * @param boolean $hidden_endpoint
-     * @return array
-     */
-    protected function _get_rpc_route_data_for_version($version, $hidden_endpoint = false)
-    {
-        $this_versions_routes = array();
-        //checkin endpoint
-        $this_versions_routes['registrations/(?P<REG_ID>\d+)/toggle_checkin_for_datetime/(?P<DTT_ID>\d+)'] = array(
-            array(
-                'callback'        => array(
-                    'EventEspresso\core\libraries\rest_api\controllers\rpc\Checkin',
-                    'handleRequestToggleCheckin',
-                ),
-                'methods'         => WP_REST_Server::CREATABLE,
-                'hidden_endpoint' => $hidden_endpoint,
-                'args'            => array(
-                    'force' => array(
-                        'required'    => false,
-                        'default'     => false,
-                        'description' => __(
-                            // @codingStandardsIgnoreStart
-                            'Whether to force toggle checkin, or to verify the registration status and allowed ticket uses',
-                            // @codingStandardsIgnoreEnd
-                            'event_espresso'
-                        ),
-                    ),
-                ),
-                'callback_args'   => array($version),
-            ),
-        );
-        return apply_filters(
-            'FHEE__EED_Core_Rest_Api___register_rpc_routes__this_versions_routes',
-            $this_versions_routes,
-            $version,
-            $hidden_endpoint
-        );
-    }
-
-
-
-    /**
-     * Gets the query params that can be used when request one or many
-     *
-     * @param EEM_Base $model
-     * @param string   $version
-     * @return array
-     */
-    protected function _get_response_selection_query_params(\EEM_Base $model, $version)
-    {
-        return apply_filters(
-            'FHEE__EED_Core_Rest_Api___get_response_selection_query_params',
-            array(
-                'include'   => array(
-                    'required' => false,
-                    'default'  => '*',
-                    'type'     => 'string',
-                ),
-                'calculate' => array(
-                    'required'          => false,
-                    'default'           => '',
-                    'enum'              => self::$_field_calculator->retrieveCalculatedFieldsForModel($model),
-                    'type'              => 'string',
-                    //because we accept a CSV'd list of the enumerated strings, WP core validation and sanitization
-                    //freaks out. We'll just validate this argument while handling the request
-                    'validate_callback' => null,
-                    'sanitize_callback' => null,
-                ),
-            ),
-            $model,
-            $version
-        );
-    }
-
-
-
-    /**
-     * Gets the parameters acceptable for delete requests
-     *
-     * @param \EEM_Base $model
-     * @param string    $version
-     * @return array
-     */
-    protected function _get_delete_query_params(\EEM_Base $model, $version)
-    {
-        $params_for_delete = array(
-            'allow_blocking' => array(
-                'required' => false,
-                'default'  => true,
-                'type'     => 'boolean',
-            ),
-        );
-        $params_for_delete['force'] = array(
-            'required' => false,
-            'default'  => false,
-            'type'     => 'boolean',
-        );
-        return apply_filters(
-            'FHEE__EED_Core_Rest_Api___get_delete_query_params',
-            $params_for_delete,
-            $model,
-            $version
-        );
-    }
-
-
-
-    /**
-     * Gets info about reading query params that are acceptable
-     *
-     * @param \EEM_Base $model eg 'Event' or 'Venue'
-     * @param  string   $version
-     * @return array    describing the args acceptable when querying this model
-     * @throws EE_Error
-     */
-    protected function _get_read_query_params(\EEM_Base $model, $version)
-    {
-        $default_orderby = array();
-        foreach ($model->get_combined_primary_key_fields() as $key_field) {
-            $default_orderby[$key_field->get_name()] = 'ASC';
-        }
-        return array_merge(
-            $this->_get_response_selection_query_params($model, $version),
-            array(
-                'where'    => array(
-                    'required' => false,
-                    'default'  => array(),
-                    'type'     => 'object',
-                    //because we accept an almost infinite list of possible where conditions, WP
-                    // core validation and sanitization freaks out. We'll just validate this argument
-                    // while handling the request
-                    'validate_callback' => null,
-                    'sanitize_callback' => null,
-                ),
-                'limit'    => array(
-                    'required' => false,
-                    'default'  => EED_Core_Rest_Api::get_default_query_limit(),
-                    'type'     => array(
-                        'array',
-                        'string',
-                        'integer',
-                    ),
-                    //because we accept a variety of types, WP core validation and sanitization
-                    //freaks out. We'll just validate this argument while handling the request
-                    'validate_callback' => null,
-                    'sanitize_callback' => null,
-                ),
-                'order_by' => array(
-                    'required' => false,
-                    'default'  => $default_orderby,
-                    'type'     => array(
-                        'object',
-                        'string',
-                    ),//because we accept a variety of types, WP core validation and sanitization
-                    //freaks out. We'll just validate this argument while handling the request
-                    'validate_callback' => null,
-                    'sanitize_callback' => null,
-                ),
-                'group_by' => array(
-                    'required' => false,
-                    'default'  => null,
-                    'type'     => array(
-                        'object',
-                        'string',
-                    ),
-                    //because we accept  an almost infinite list of possible groupings,
-                    // WP core validation and sanitization
-                    //freaks out. We'll just validate this argument while handling the request
-                    'validate_callback' => null,
-                    'sanitize_callback' => null,
-                ),
-                'having'   => array(
-                    'required' => false,
-                    'default'  => null,
-                    'type'     => 'object',
-                    //because we accept an almost infinite list of possible where conditions, WP
-                    // core validation and sanitization freaks out. We'll just validate this argument
-                    // while handling the request
-                    'validate_callback' => null,
-                    'sanitize_callback' => null,
-                ),
-                'caps'     => array(
-                    'required' => false,
-                    'default'  => EEM_Base::caps_read,
-                    'type'     => 'string',
-                    'enum'     => array(
-                        EEM_Base::caps_read,
-                        EEM_Base::caps_read_admin,
-                        EEM_Base::caps_edit,
-                        EEM_Base::caps_delete
-                    )
-                ),
-            )
-        );
-    }
-
-
-
-    /**
-     * Gets parameter information for a model regarding writing data
-     *
-     * @param string           $model_name
-     * @param ModelVersionInfo $model_version_info
-     * @param boolean          $create                                       whether this is for request to create (in which case we need
-     *                                                                       all required params) or just to update (in which case we don't need those on every request)
-     * @return array
-     */
-    protected function _get_write_params(
-        $model_name,
-        ModelVersionInfo $model_version_info,
-        $create = false
-    ) {
-        $model = EE_Registry::instance()->load_model($model_name);
-        $fields = $model_version_info->fieldsOnModelInThisVersion($model);
-        $args_info = array();
-        foreach ($fields as $field_name => $field_obj) {
-            if ($field_obj->is_auto_increment()) {
-                //totally ignore auto increment IDs
-                continue;
-            }
-            $arg_info = $field_obj->getSchema();
-            $required = $create && ! $field_obj->is_nullable() && $field_obj->get_default_value() === null;
-            $arg_info['required'] = $required;
-            //remove the read-only flag. If it were read-only we wouldn't list it as an argument while writing, right?
-            unset($arg_info['readonly']);
-            $schema_properties = $field_obj->getSchemaProperties();
-            if (
-                isset($schema_properties['raw'])
-                && $field_obj->getSchemaType() === 'object'
-            ) {
-                //if there's a "raw" form of this argument, use those properties instead
-                $arg_info = array_replace(
-                    $arg_info,
-                    $schema_properties['raw']
-                );
-            }
-            $arg_info['default'] = ModelDataTranslator::prepareFieldValueForJson(
-                $field_obj,
-                $field_obj->get_default_value(),
-                $model_version_info->requestedVersion()
-            );
-            //we do our own validation and sanitization within the controller
-            $arg_info['sanitize_callback'] =
-                array(
-                    'EED_Core_Rest_Api',
-                    'default_sanitize_callback',
-                );
-            $args_info[$field_name] = $arg_info;
-            if ($field_obj instanceof EE_Datetime_Field) {
-                $gmt_arg_info = $arg_info;
-                $gmt_arg_info['description'] = sprintf(
-                    esc_html__(
-                        '%1$s - the value for this field in UTC. Ignored if %2$s is provided.',
-                        'event_espresso'
-                    ),
-                    $field_obj->get_nicename(),
-                    $field_name
-                );
-                $args_info[$field_name . '_gmt'] = $gmt_arg_info;
-            }
-        }
-        return $args_info;
-    }
-
-
-
-    /**
-     * Replacement for WP API's 'rest_parse_request_arg'.
-     * If the value is blank but not required, don't bother validating it.
-     * Also, it uses our email validation instead of WP API's default.
-     *
-     * @param                 $value
-     * @param WP_REST_Request $request
-     * @param                 $param
-     * @return bool|true|WP_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function default_sanitize_callback( $value, WP_REST_Request $request, $param)
-    {
-        $attributes = $request->get_attributes();
-        if (! isset($attributes['args'][$param])
-            || ! is_array($attributes['args'][$param])) {
-            $validation_result = true;
-        } else {
-            $args = $attributes['args'][$param];
-            if ((
-                    $value === ''
-                    || $value === null
-                )
-                && (! isset($args['required'])
-                    || $args['required'] === false
-                )
-            ) {
-                //not required and not provided? that's cool
-                $validation_result = true;
-            } elseif (isset($args['format'])
-                && $args['format'] === 'email'
-            ) {
-                $validation_result = true;
-                if (! self::_validate_email($value)) {
-                    $validation_result = new WP_Error(
-                        'rest_invalid_param',
-                        esc_html__(
-                            'The email address is not valid or does not exist.',
-                            'event_espresso'
-                        )
-                    );
-                }
-            } else {
-                $validation_result = rest_validate_value_from_schema($value, $args, $param);
-            }
-        }
-        if (is_wp_error($validation_result)) {
-            return $validation_result;
-        }
-        return rest_sanitize_request_arg($value, $request, $param);
-    }
-
-
-
-    /**
-     * Returns whether or not this email address is valid. Copied from EE_Email_Validation_Strategy::_validate_email()
-     *
-     * @param $email
-     * @return bool
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    protected static function _validate_email($email){
-        try {
-            EmailAddressFactory::create($email);
-            return true;
-        } catch (EmailValidationException $e) {
-            return false;
-        }
-    }
-
-
-
-    /**
-     * Gets routes for the config
-     *
-     * @return array @see _register_model_routes
-     * @deprecated since version 4.9.1
-     */
-    protected function _register_config_routes()
-    {
-        $config_routes = array();
-        foreach (self::versions_served() as $version => $hidden_endpoint) {
-            $config_routes[self::ee_api_namespace . $version] = $this->_get_config_route_data_for_version(
-                $version,
-                $hidden_endpoint
-            );
-        }
-        return $config_routes;
-    }
-
-
-
-    /**
-     * Gets routes for the config for the specified version
-     *
-     * @param string  $version
-     * @param boolean $hidden_endpoint
-     * @return array
-     */
-    protected function _get_config_route_data_for_version($version, $hidden_endpoint)
-    {
-        return array(
-            'config'    => array(
-                array(
-                    'callback'        => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\config\Read',
-                        'handleRequest',
-                    ),
-                    'methods'         => WP_REST_Server::READABLE,
-                    'hidden_endpoint' => $hidden_endpoint,
-                    'callback_args'   => array($version),
-                ),
-            ),
-            'site_info' => array(
-                array(
-                    'callback'        => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\config\Read',
-                        'handleRequestSiteInfo',
-                    ),
-                    'methods'         => WP_REST_Server::READABLE,
-                    'hidden_endpoint' => $hidden_endpoint,
-                    'callback_args'   => array($version),
-                ),
-            ),
-        );
-    }
-
-
-
-    /**
-     * Gets the meta info routes
-     *
-     * @return array @see _register_model_routes
-     * @deprecated since version 4.9.1
-     */
-    protected function _register_meta_routes()
-    {
-        $meta_routes = array();
-        foreach (self::versions_served() as $version => $hidden_endpoint) {
-            $meta_routes[self::ee_api_namespace . $version] = $this->_get_meta_route_data_for_version(
-                $version,
-                $hidden_endpoint
-            );
-        }
-        return $meta_routes;
-    }
-
-
-
-    /**
-     * @param string  $version
-     * @param boolean $hidden_endpoint
-     * @return array
-     */
-    protected function _get_meta_route_data_for_version($version, $hidden_endpoint = false)
-    {
-        return array(
-            'resources' => array(
-                array(
-                    'callback'        => array(
-                        'EventEspresso\core\libraries\rest_api\controllers\model\Meta',
-                        'handleRequestModelsMeta',
-                    ),
-                    'methods'         => WP_REST_Server::READABLE,
-                    'hidden_endpoint' => $hidden_endpoint,
-                    'callback_args'   => array($version),
-                ),
-            ),
-        );
-    }
-
-
-
-    /**
-     * Tries to hide old 4.6 endpoints from the
-     *
-     * @param array $route_data
-     * @return array
-     * @throws \EE_Error
-     */
-    public static function hide_old_endpoints($route_data)
-    {
-        //allow API clients to override which endpoints get hidden, in case
-        //they want to discover particular endpoints
-        //also, we don't have access to the request so we have to just grab it from the superglobal
-        $force_show_ee_namespace = ltrim(
-            EEH_Array::is_set($_REQUEST, 'force_show_ee_namespace', ''),
-            '/'
-        );
-        foreach (EED_Core_Rest_Api::get_ee_route_data() as $namespace => $relative_urls) {
-            foreach ($relative_urls as $resource_name => $endpoints) {
-                foreach ($endpoints as $key => $endpoint) {
-                    //skip schema and other route options
-                    if (! is_numeric($key)) {
-                        continue;
-                    }
-                    //by default, hide "hidden_endpoint"s, unless the request indicates
-                    //to $force_show_ee_namespace, in which case only show that one
-                    //namespace's endpoints (and hide all others)
-                    if (
-                        ($force_show_ee_namespace !== '' && $force_show_ee_namespace !== $namespace)
-                        || ($endpoint['hidden_endpoint'] && $force_show_ee_namespace === '')
-                    ) {
-                        $full_route = '/' . ltrim($namespace, '/');
-                        $full_route .= '/' . ltrim($resource_name, '/');
-                        unset($route_data[$full_route]);
-                    }
-                }
-            }
-        }
-        return $route_data;
-    }
-
-
-
-    /**
-     * Returns an array describing which versions of core support serving requests for.
-     * Keys are core versions' major and minor version, and values are the
-     * LOWEST requested version they can serve. Eg, 4.7 can serve requests for 4.6-like
-     * data by just removing a few models and fields from the responses. However, 4.15 might remove
-     * the answers table entirely, in which case it would be very difficult for
-     * it to serve 4.6-style responses.
-     * Versions of core that are missing from this array are unknowns.
-     * previous ver
-     *
-     * @return array
-     */
-    public static function version_compatibilities()
-    {
-        return apply_filters(
-            'FHEE__EED_Core_REST_API__version_compatibilities',
-            array(
-                '4.8.29' => '4.8.29',
-                '4.8.33' => '4.8.29',
-                '4.8.34' => '4.8.29',
-                '4.8.36' => '4.8.29',
-            )
-        );
-    }
-
-
-
-    /**
-     * Gets the latest API version served. Eg if there
-     * are two versions served of the API, 4.8.29 and 4.8.32, and
-     * we are on core version 4.8.34, it will return the string "4.8.32"
-     *
-     * @return string
-     */
-    public static function latest_rest_api_version()
-    {
-        $versions_served = \EED_Core_Rest_Api::versions_served();
-        $versions_served_keys = array_keys($versions_served);
-        return end($versions_served_keys);
-    }
-
-
-
-    /**
-     * Using EED_Core_Rest_Api::version_compatibilities(), determines what version of
-     * EE the API can serve requests for. Eg, if we are on 4.15 of core, and
-     * we can serve requests from 4.12 or later, this will return array( '4.12', '4.13', '4.14', '4.15' ).
-     * We also indicate whether or not this version should be put in the index or not
-     *
-     * @return array keys are API version numbers (just major and minor numbers), and values
-     * are whether or not they should be hidden
-     */
-    public static function versions_served()
-    {
-        $versions_served = array();
-        $possibly_served_versions = EED_Core_Rest_Api::version_compatibilities();
-        $lowest_compatible_version = end($possibly_served_versions);
-        reset($possibly_served_versions);
-        $versions_served_historically = array_keys($possibly_served_versions);
-        $latest_version = end($versions_served_historically);
-        reset($versions_served_historically);
-        //for each version of core we have ever served:
-        foreach ($versions_served_historically as $key_versioned_endpoint) {
-            //if it's not above the current core version, and it's compatible with the current version of core
-            if ($key_versioned_endpoint === $latest_version) {
-                //don't hide the latest version in the index
-                $versions_served[$key_versioned_endpoint] = false;
-            } elseif (
-                $key_versioned_endpoint >= $lowest_compatible_version
-                && $key_versioned_endpoint < EED_Core_Rest_Api::core_version()
-            ) {
-                //include, but hide, previous versions which are still supported
-                $versions_served[$key_versioned_endpoint] = true;
-            } elseif (apply_filters(
-                'FHEE__EED_Core_Rest_Api__versions_served__include_incompatible_versions',
-                false,
-                $possibly_served_versions
-            )) {
-                //if a version is no longer supported, don't include it in index or list of versions served
-                $versions_served[$key_versioned_endpoint] = true;
-            }
-        }
-        return $versions_served;
-    }
-
-
-
-    /**
-     * Gets the major and minor version of EE core's version string
-     *
-     * @return string
-     */
-    public static function core_version()
-    {
-        return apply_filters(
-            'FHEE__EED_Core_REST_API__core_version',
-            implode(
-                '.',
-                array_slice(
-                    explode(
-                        '.',
-                        espresso_version()
-                    ),
-                0,
-                3
-                )
-            )
-        );
-    }
-
-
-
-    /**
-     * Gets the default limit that should be used when querying for resources
-     *
-     * @return int
-     */
-    public static function get_default_query_limit()
-    {
-        //we actually don't use a const because we want folks to always use
-        //this method, not the const directly
-        return apply_filters(
-            'FHEE__EED_Core_Rest_Api__get_default_query_limit',
-            50
-        );
-    }
-
-
-
-    /**
-     *    run - initial module setup
-     *
-     * @access    public
-     * @param  WP $WP
-     * @return    void
-     */
-    public function run($WP)
-    {
-    }
+	const ee_api_namespace_for_regex = 'ee\/v([^/]*)\/';
+
+	const saved_routes_option_names  = 'ee_core_routes';
+
+	/**
+	 * string used in _links response bodies to make them globally unique.
+	 *
+	 * @see http://v2.wp-api.org/extending/linking/
+	 */
+	const ee_api_link_namespace = 'https://api.eventespresso.com/';
+
+	/**
+	 * @var CalculatedModelFields
+	 */
+	protected static $_field_calculator;
+
+
+
+	/**
+	 * @return EED_Core_Rest_Api|EED_Module
+	 */
+	public static function instance()
+	{
+		self::$_field_calculator = new CalculatedModelFields();
+		return parent::get_instance(__CLASS__);
+	}
+
+
+
+	/**
+	 *    set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function set_hooks()
+	{
+		self::set_hooks_both();
+	}
+
+
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function set_hooks_admin()
+	{
+		self::set_hooks_both();
+	}
+
+
+
+	public static function set_hooks_both()
+	{
+		add_action('rest_api_init', array('EED_Core_Rest_Api', 'register_routes'), 10);
+		add_action('rest_api_init', array('EED_Core_Rest_Api', 'set_hooks_rest_api'), 5);
+		add_filter('rest_route_data', array('EED_Core_Rest_Api', 'hide_old_endpoints'), 10, 2);
+		add_filter('rest_index',
+			array('EventEspresso\core\libraries\rest_api\controllers\model\Meta', 'filterEeMetadataIntoIndex'));
+		EED_Core_Rest_Api::invalidate_cached_route_data_on_version_change();
+	}
+
+
+
+	/**
+	 * sets up hooks which only need to be included as part of REST API requests;
+	 * other requests like to the frontend or admin etc don't need them
+	 *
+	 * @throws \EE_Error
+	 */
+	public static function set_hooks_rest_api()
+	{
+		//set hooks which account for changes made to the API
+		EED_Core_Rest_Api::_set_hooks_for_changes();
+	}
+
+
+
+	/**
+	 * public wrapper of _set_hooks_for_changes.
+	 * Loads all the hooks which make requests to old versions of the API
+	 * appear the same as they always did
+	 *
+	 * @throws EE_Error
+	 */
+	public static function set_hooks_for_changes()
+	{
+		self::_set_hooks_for_changes();
+	}
+
+
+
+	/**
+	 * Loads all the hooks which make requests to old versions of the API
+	 * appear the same as they always did
+	 *
+	 * @throws EE_Error
+	 */
+	protected static function _set_hooks_for_changes()
+	{
+		$folder_contents = EEH_File::get_contents_of_folders(array(EE_LIBRARIES . 'rest_api' . DS . 'changes'), false);
+		foreach ($folder_contents as $classname_in_namespace => $filepath) {
+			//ignore the base parent class
+			//and legacy named classes
+			if ($classname_in_namespace === 'ChangesInBase'
+				|| strpos($classname_in_namespace, 'Changes_In_') === 0
+			) {
+				continue;
+			}
+			$full_classname = 'EventEspresso\core\libraries\rest_api\changes\\' . $classname_in_namespace;
+			if (class_exists($full_classname)) {
+				$instance_of_class = new $full_classname;
+				if ($instance_of_class instanceof ChangesInBase) {
+					$instance_of_class->setHooks();
+				}
+			}
+		}
+	}
+
+
+
+	/**
+	 * Filters the WP routes to add our EE-related ones. This takes a bit of time
+	 * so we actually prefer to only do it when an EE plugin is activated or upgraded
+	 *
+	 * @throws \EE_Error
+	 */
+	public static function register_routes()
+	{
+		foreach (EED_Core_Rest_Api::get_ee_route_data() as $namespace => $relative_routes) {
+			foreach ($relative_routes as $relative_route => $data_for_multiple_endpoints) {
+				/**
+				 * @var array $data_for_multiple_endpoints numerically indexed array
+				 *                                         but can also contain route options like {
+				 * @type array    $schema                      {
+				 * @type callable $schema_callback
+				 * @type array    $callback_args               arguments that will be passed to the callback, after the
+				 * WP_REST_Request of course
+				 * }
+				 * }
+				 */
+				//when registering routes, register all the endpoints' data at the same time
+				$multiple_endpoint_args = array();
+				foreach ($data_for_multiple_endpoints as $endpoint_key => $data_for_single_endpoint) {
+					/**
+					 * @var array     $data_for_single_endpoint {
+					 * @type callable $callback
+					 * @type string methods
+					 * @type array args
+					 * @type array _links
+					 * @type array    $callback_args            arguments that will be passed to the callback, after the
+					 * WP_REST_Request of course
+					 * }
+					 */
+					//skip route options
+					if (! is_numeric($endpoint_key)) {
+						continue;
+					}
+					if (! isset($data_for_single_endpoint['callback'], $data_for_single_endpoint['methods'])) {
+						throw new EE_Error(
+							esc_html__(
+								// @codingStandardsIgnoreStart
+								'Endpoint configuration data needs to have entries "callback" (callable) and "methods" (comma-separated list of accepts HTTP methods).',
+								// @codingStandardsIgnoreEnd
+								'event_espresso')
+						);
+					}
+					$callback = $data_for_single_endpoint['callback'];
+					$single_endpoint_args = array(
+						'methods' => $data_for_single_endpoint['methods'],
+						'args'    => isset($data_for_single_endpoint['args']) ? $data_for_single_endpoint['args']
+							: array(),
+					);
+					if (isset($data_for_single_endpoint['_links'])) {
+						$single_endpoint_args['_links'] = $data_for_single_endpoint['_links'];
+					}
+					if (isset($data_for_single_endpoint['callback_args'])) {
+						$callback_args = $data_for_single_endpoint['callback_args'];
+						$single_endpoint_args['callback'] = function (\WP_REST_Request $request) use (
+							$callback,
+							$callback_args
+						) {
+							array_unshift($callback_args, $request);
+							return call_user_func_array(
+								$callback,
+								$callback_args
+							);
+						};
+					} else {
+						$single_endpoint_args['callback'] = $data_for_single_endpoint['callback'];
+					}
+					$multiple_endpoint_args[] = $single_endpoint_args;
+				}
+				if (isset($data_for_multiple_endpoints['schema'])) {
+					$schema_route_data = $data_for_multiple_endpoints['schema'];
+					$schema_callback = $schema_route_data['schema_callback'];
+					$callback_args = $schema_route_data['callback_args'];
+					$multiple_endpoint_args['schema'] = function () use ($schema_callback, $callback_args) {
+						return call_user_func_array(
+							$schema_callback,
+							$callback_args
+						);
+					};
+				}
+				register_rest_route(
+					$namespace,
+					$relative_route,
+					$multiple_endpoint_args
+				);
+			}
+		}
+	}
+
+
+
+	/**
+	 * Checks if there was a version change or something that merits invalidating the cached
+	 * route data. If so, invalidates the cached route data so that it gets refreshed
+	 * next time the WP API is used
+	 */
+	public static function invalidate_cached_route_data_on_version_change()
+	{
+		if (EE_System::instance()->detect_req_type() !== EE_System::req_type_normal) {
+			EED_Core_Rest_Api::invalidate_cached_route_data();
+		}
+		foreach (EE_Registry::instance()->addons as $addon) {
+			if ($addon instanceof EE_Addon && $addon->detect_req_type() !== EE_System::req_type_normal) {
+				EED_Core_Rest_Api::invalidate_cached_route_data();
+			}
+		}
+	}
+
+
+
+	/**
+	 * Removes the cached route data so it will get refreshed next time the WP API is used
+	 */
+	public static function invalidate_cached_route_data()
+	{
+		//delete the saved EE REST API routes
+		foreach (EED_Core_Rest_Api::versions_served() as $version => $hidden) {
+			delete_option(EED_Core_Rest_Api::saved_routes_option_names . $version);
+		}
+	}
+
+
+
+	/**
+	 * Gets the EE route data
+	 *
+	 * @return array top-level key is the namespace, next-level key is the route and its value is array{
+	 * @throws \EE_Error
+	 * @type string|array $callback
+	 * @type string       $methods
+	 * @type boolean      $hidden_endpoint
+	 * }
+	 */
+	public static function get_ee_route_data()
+	{
+		$ee_routes = array();
+		foreach (self::versions_served() as $version => $hidden_endpoints) {
+			$ee_routes[self::ee_api_namespace . $version] = self::_get_ee_route_data_for_version(
+				$version,
+				$hidden_endpoints
+			);
+		}
+		return $ee_routes;
+	}
+
+
+
+	/**
+	 * Gets the EE route data from the wp options if it exists already,
+	 * otherwise re-generates it and saves it to the option
+	 *
+	 * @param string  $version
+	 * @param boolean $hidden_endpoints
+	 * @return array
+	 * @throws \EE_Error
+	 */
+	protected static function _get_ee_route_data_for_version($version, $hidden_endpoints = false)
+	{
+		$ee_routes = get_option(self::saved_routes_option_names . $version, null);
+		if (! $ee_routes || (defined('EE_REST_API_DEBUG_MODE') && EE_REST_API_DEBUG_MODE)) {
+			$ee_routes = self::_save_ee_route_data_for_version($version, $hidden_endpoints);
+		}
+		return $ee_routes;
+	}
+
+
+
+	/**
+	 * Saves the EE REST API route data to a wp option and returns it
+	 *
+	 * @param string  $version
+	 * @param boolean $hidden_endpoints
+	 * @return mixed|null
+	 * @throws \EE_Error
+	 */
+	protected static function _save_ee_route_data_for_version($version, $hidden_endpoints = false)
+	{
+		$instance = self::instance();
+		$routes = apply_filters(
+			'EED_Core_Rest_Api__save_ee_route_data_for_version__routes',
+			array_replace_recursive(
+				$instance->_get_config_route_data_for_version($version, $hidden_endpoints),
+				$instance->_get_meta_route_data_for_version($version, $hidden_endpoints),
+				$instance->_get_model_route_data_for_version($version, $hidden_endpoints),
+				$instance->_get_rpc_route_data_for_version($version, $hidden_endpoints)
+			)
+		);
+		$option_name = self::saved_routes_option_names . $version;
+		if (get_option($option_name)) {
+			update_option($option_name, $routes, true);
+		} else {
+			add_option($option_name, $routes, null, 'no');
+		}
+		return $routes;
+	}
+
+
+
+	/**
+	 * Calculates all the EE routes and saves it to a WordPress option so we don't
+	 * need to calculate it on every request
+	 *
+	 * @deprecated since version 4.9.1
+	 * @return void
+	 */
+	public static function save_ee_routes()
+	{
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			$instance = self::instance();
+			$routes = apply_filters(
+				'EED_Core_Rest_Api__save_ee_routes__routes',
+				array_replace_recursive(
+					$instance->_register_config_routes(),
+					$instance->_register_meta_routes(),
+					$instance->_register_model_routes(),
+					$instance->_register_rpc_routes()
+				)
+			);
+			update_option(self::saved_routes_option_names, $routes, true);
+		}
+	}
+
+
+
+	/**
+	 * Gets all the route information relating to EE models
+	 *
+	 * @return array @see get_ee_route_data
+	 * @deprecated since version 4.9.1
+	 */
+	protected function _register_model_routes()
+	{
+		$model_routes = array();
+		foreach (self::versions_served() as $version => $hidden_endpoint) {
+			$model_routes[EED_Core_Rest_Api::ee_api_namespace
+						  . $version] = $this->_get_config_route_data_for_version($version, $hidden_endpoint);
+		}
+		return $model_routes;
+	}
+
+
+
+	/**
+	 * Decides whether or not to add write endpoints for this model.
+	 *
+	 * Currently, this defaults to exclude all global tables and models
+	 * which would allow inserting WP core data (we don't want to duplicate
+	 * what WP API does, as it's unnecessary, extra work, and potentially extra bugs)
+	 * @param EEM_Base $model
+	 * @return bool
+	 */
+	public static function should_have_write_endpoints(EEM_Base $model)
+	{
+		if ($model->is_wp_core_model()){
+			return false;
+		}
+		foreach($model->get_tables() as $table){
+			if( $table->is_global()){
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * Gets the names of all models which should have plural routes (eg `ee/v4.8.36/events`)
+	 * in this versioned namespace of EE4
+	 * @param $version
+	 * @return array keys are model names (eg 'Event') and values ar either classnames (eg 'EEM_Event')
+	 */
+	public static function model_names_with_plural_routes($version){
+		$model_version_info = new ModelVersionInfo($version);
+		$models_to_register = $model_version_info->modelsForRequestedVersion();
+		//let's not bother having endpoints for extra metas
+		unset(
+			$models_to_register['Extra_Meta'],
+			$models_to_register['Extra_Join'],
+			$models_to_register['Post_Meta']
+		);
+		return apply_filters(
+			'FHEE__EED_Core_REST_API___register_model_routes',
+			$models_to_register
+		);
+	}
+
+
+
+	/**
+	 * Gets the route data for EE models in the specified version
+	 *
+	 * @param string  $version
+	 * @param boolean $hidden_endpoint
+	 * @return array
+	 * @throws EE_Error
+	 */
+	protected function _get_model_route_data_for_version($version, $hidden_endpoint = false)
+	{
+		$model_routes = array();
+		$model_version_info = new ModelVersionInfo($version);
+		foreach (EED_Core_Rest_Api::model_names_with_plural_routes($version) as $model_name => $model_classname) {
+			$model = \EE_Registry::instance()->load_model($model_name);
+			//if this isn't a valid model then let's skip iterate to the next item in the loop.
+			if (! $model instanceof EEM_Base) {
+				continue;
+			}
+			//yes we could just register one route for ALL models, but then they wouldn't show up in the index
+			$plural_model_route = EED_Core_Rest_Api::get_collection_route($model);
+			$singular_model_route = EED_Core_Rest_Api::get_entity_route($model, '(?P<id>[^\/]+)');
+			$model_routes[$plural_model_route] = array(
+				array(
+					'callback'        => array(
+						'EventEspresso\core\libraries\rest_api\controllers\model\Read',
+						'handleRequestGetAll',
+					),
+					'callback_args'   => array($version, $model_name),
+					'methods'         => WP_REST_Server::READABLE,
+					'hidden_endpoint' => $hidden_endpoint,
+					'args'            => $this->_get_read_query_params($model, $version),
+					'_links'          => array(
+						'self' => rest_url(EED_Core_Rest_Api::ee_api_namespace . $version . $singular_model_route),
+					),
+				),
+				'schema' => array(
+					'schema_callback' => array(
+						'EventEspresso\core\libraries\rest_api\controllers\model\Read',
+						'handleSchemaRequest',
+					),
+					'callback_args'   => array($version, $model_name),
+				),
+			);
+			$model_routes[$singular_model_route] = array(
+				array(
+					'callback'        => array(
+						'EventEspresso\core\libraries\rest_api\controllers\model\Read',
+						'handleRequestGetOne',
+					),
+					'callback_args'   => array($version, $model_name),
+					'methods'         => WP_REST_Server::READABLE,
+					'hidden_endpoint' => $hidden_endpoint,
+					'args'            => $this->_get_response_selection_query_params($model, $version),
+				),
+			);
+			if( apply_filters(
+				'FHEE__EED_Core_Rest_Api___get_model_route_data_for_version__add_write_endpoints',
+				EED_Core_Rest_Api::should_have_write_endpoints($model),
+				$model
+			)){
+				$model_routes[$plural_model_route][] = array(
+					'callback'        => array(
+						'EventEspresso\core\libraries\rest_api\controllers\model\Write',
+						'handleRequestInsert',
+					),
+					'callback_args'   => array($version, $model_name),
+					'methods'         => WP_REST_Server::CREATABLE,
+					'hidden_endpoint' => $hidden_endpoint,
+					'args'            => $this->_get_write_params($model_name, $model_version_info, true),
+				);
+				$model_routes[$singular_model_route] = array_merge(
+					$model_routes[$singular_model_route],
+					array(
+						array(
+							'callback'        => array(
+								'EventEspresso\core\libraries\rest_api\controllers\model\Write',
+								'handleRequestUpdate',
+							),
+							'callback_args'   => array($version, $model_name),
+							'methods'         => WP_REST_Server::EDITABLE,
+							'hidden_endpoint' => $hidden_endpoint,
+							'args'            => $this->_get_write_params($model_name, $model_version_info),
+						),
+						array(
+							'callback'        => array(
+								'EventEspresso\core\libraries\rest_api\controllers\model\Write',
+								'handleRequestDelete',
+							),
+							'callback_args'   => array($version, $model_name),
+							'methods'         => WP_REST_Server::DELETABLE,
+							'hidden_endpoint' => $hidden_endpoint,
+							'args'            => $this->_get_delete_query_params($model, $version),
+						)
+					)
+				);
+			}
+			foreach ($model->relation_settings() as $relation_name => $relation_obj) {
+
+				$related_route = EED_Core_Rest_Api::get_relation_route_via(
+					$model,
+					'(?P<id>[^\/]+)',
+					$relation_obj
+				);
+				$endpoints = array(
+					array(
+						'callback'        => array(
+							'EventEspresso\core\libraries\rest_api\controllers\model\Read',
+							'handleRequestGetRelated',
+						),
+						'callback_args'   => array($version, $model_name, $relation_name),
+						'methods'         => WP_REST_Server::READABLE,
+						'hidden_endpoint' => $hidden_endpoint,
+						'args'            => $this->_get_read_query_params($relation_obj->get_other_model(), $version),
+					),
+				);
+				$model_routes[$related_route] = $endpoints;
+			}
+		}
+		return $model_routes;
+	}
+
+
+
+	/**
+	 * Gets the relative URI to a model's REST API plural route, after the EE4 versioned namespace,
+	 * excluding the preceding slash.
+	 * Eg you pass get_plural_route_to('Event') = 'events'
+	 *
+	 * @param EEM_Base $model
+	 * @return string
+	 */
+	public static function get_collection_route(EEM_Base $model)
+	{
+		return EEH_Inflector::pluralize_and_lower($model->get_this_model_name());
+	}
+
+
+
+	/**
+	 * Gets the relative URI to a model's REST API singular route, after the EE4 versioned namespace,
+	 * excluding the preceding slash.
+	 * Eg you pass get_plural_route_to('Event', 12) = 'events/12'
+	 *
+	 * @param EEM_Base $model eg Event or Venue
+	 * @param string $id
+	 * @return string
+	 */
+	public static function get_entity_route($model, $id)
+	{
+		return EED_Core_Rest_Api::get_collection_route($model). '/' . $id;
+	}
+
+
+	/**
+	 * Gets the relative URI to a model's REST API singular route, after the EE4 versioned namespace,
+	 * excluding the preceding slash.
+	 * Eg you pass get_plural_route_to('Event', 12) = 'events/12'
+	 *
+	 * @param EEM_Base                 $model eg Event or Venue
+	 * @param string                 $id
+	 * @param EE_Model_Relation_Base $relation_obj
+	 * @return string
+	 */
+	public static function get_relation_route_via(EEM_Base $model, $id, EE_Model_Relation_Base $relation_obj)
+	{
+		$related_model_name_endpoint_part = ModelRead::getRelatedEntityName(
+			$relation_obj->get_other_model()->get_this_model_name(),
+			$relation_obj
+		);
+		return EED_Core_Rest_Api::get_entity_route($model, $id) . '/' . $related_model_name_endpoint_part;
+	}
+
+
+
+	/**
+	 * Adds onto the $relative_route the EE4 REST API versioned namespace.
+	 * Eg if given '4.8.36' and 'events', will return 'ee/v4.8.36/events'
+	 * @param string $relative_route
+	 * @param string $version
+	 * @return string
+	 */
+	public static function get_versioned_route_to($relative_route, $version = '4.8.36'){
+		return '/' . EED_Core_Rest_Api::ee_api_namespace . $version . '/' . $relative_route;
+	}
+
+
+
+	/**
+	 * Adds all the RPC-style routes (remote procedure call-like routes, ie
+	 * routes that don't conform to the traditional REST CRUD-style).
+	 *
+	 * @deprecated since 4.9.1
+	 */
+	protected function _register_rpc_routes()
+	{
+		$routes = array();
+		foreach (self::versions_served() as $version => $hidden_endpoint) {
+			$routes[self::ee_api_namespace . $version] = $this->_get_rpc_route_data_for_version(
+				$version,
+				$hidden_endpoint
+			);
+		}
+		return $routes;
+	}
+
+
+
+	/**
+	 * @param string  $version
+	 * @param boolean $hidden_endpoint
+	 * @return array
+	 */
+	protected function _get_rpc_route_data_for_version($version, $hidden_endpoint = false)
+	{
+		$this_versions_routes = array();
+		//checkin endpoint
+		$this_versions_routes['registrations/(?P<REG_ID>\d+)/toggle_checkin_for_datetime/(?P<DTT_ID>\d+)'] = array(
+			array(
+				'callback'        => array(
+					'EventEspresso\core\libraries\rest_api\controllers\rpc\Checkin',
+					'handleRequestToggleCheckin',
+				),
+				'methods'         => WP_REST_Server::CREATABLE,
+				'hidden_endpoint' => $hidden_endpoint,
+				'args'            => array(
+					'force' => array(
+						'required'    => false,
+						'default'     => false,
+						'description' => __(
+							// @codingStandardsIgnoreStart
+							'Whether to force toggle checkin, or to verify the registration status and allowed ticket uses',
+							// @codingStandardsIgnoreEnd
+							'event_espresso'
+						),
+					),
+				),
+				'callback_args'   => array($version),
+			),
+		);
+		return apply_filters(
+			'FHEE__EED_Core_Rest_Api___register_rpc_routes__this_versions_routes',
+			$this_versions_routes,
+			$version,
+			$hidden_endpoint
+		);
+	}
+
+
+
+	/**
+	 * Gets the query params that can be used when request one or many
+	 *
+	 * @param EEM_Base $model
+	 * @param string   $version
+	 * @return array
+	 */
+	protected function _get_response_selection_query_params(\EEM_Base $model, $version)
+	{
+		return apply_filters(
+			'FHEE__EED_Core_Rest_Api___get_response_selection_query_params',
+			array(
+				'include'   => array(
+					'required' => false,
+					'default'  => '*',
+					'type'     => 'string',
+				),
+				'calculate' => array(
+					'required'          => false,
+					'default'           => '',
+					'enum'              => self::$_field_calculator->retrieveCalculatedFieldsForModel($model),
+					'type'              => 'string',
+					//because we accept a CSV'd list of the enumerated strings, WP core validation and sanitization
+					//freaks out. We'll just validate this argument while handling the request
+					'validate_callback' => null,
+					'sanitize_callback' => null,
+				),
+			),
+			$model,
+			$version
+		);
+	}
+
+
+
+	/**
+	 * Gets the parameters acceptable for delete requests
+	 *
+	 * @param \EEM_Base $model
+	 * @param string    $version
+	 * @return array
+	 */
+	protected function _get_delete_query_params(\EEM_Base $model, $version)
+	{
+		$params_for_delete = array(
+			'allow_blocking' => array(
+				'required' => false,
+				'default'  => true,
+				'type'     => 'boolean',
+			),
+		);
+		$params_for_delete['force'] = array(
+			'required' => false,
+			'default'  => false,
+			'type'     => 'boolean',
+		);
+		return apply_filters(
+			'FHEE__EED_Core_Rest_Api___get_delete_query_params',
+			$params_for_delete,
+			$model,
+			$version
+		);
+	}
+
+
+
+	/**
+	 * Gets info about reading query params that are acceptable
+	 *
+	 * @param \EEM_Base $model eg 'Event' or 'Venue'
+	 * @param  string   $version
+	 * @return array    describing the args acceptable when querying this model
+	 * @throws EE_Error
+	 */
+	protected function _get_read_query_params(\EEM_Base $model, $version)
+	{
+		$default_orderby = array();
+		foreach ($model->get_combined_primary_key_fields() as $key_field) {
+			$default_orderby[$key_field->get_name()] = 'ASC';
+		}
+		return array_merge(
+			$this->_get_response_selection_query_params($model, $version),
+			array(
+				'where'    => array(
+					'required' => false,
+					'default'  => array(),
+					'type'     => 'object',
+					//because we accept an almost infinite list of possible where conditions, WP
+					// core validation and sanitization freaks out. We'll just validate this argument
+					// while handling the request
+					'validate_callback' => null,
+					'sanitize_callback' => null,
+				),
+				'limit'    => array(
+					'required' => false,
+					'default'  => EED_Core_Rest_Api::get_default_query_limit(),
+					'type'     => array(
+						'array',
+						'string',
+						'integer',
+					),
+					//because we accept a variety of types, WP core validation and sanitization
+					//freaks out. We'll just validate this argument while handling the request
+					'validate_callback' => null,
+					'sanitize_callback' => null,
+				),
+				'order_by' => array(
+					'required' => false,
+					'default'  => $default_orderby,
+					'type'     => array(
+						'object',
+						'string',
+					),//because we accept a variety of types, WP core validation and sanitization
+					//freaks out. We'll just validate this argument while handling the request
+					'validate_callback' => null,
+					'sanitize_callback' => null,
+				),
+				'group_by' => array(
+					'required' => false,
+					'default'  => null,
+					'type'     => array(
+						'object',
+						'string',
+					),
+					//because we accept  an almost infinite list of possible groupings,
+					// WP core validation and sanitization
+					//freaks out. We'll just validate this argument while handling the request
+					'validate_callback' => null,
+					'sanitize_callback' => null,
+				),
+				'having'   => array(
+					'required' => false,
+					'default'  => null,
+					'type'     => 'object',
+					//because we accept an almost infinite list of possible where conditions, WP
+					// core validation and sanitization freaks out. We'll just validate this argument
+					// while handling the request
+					'validate_callback' => null,
+					'sanitize_callback' => null,
+				),
+				'caps'     => array(
+					'required' => false,
+					'default'  => EEM_Base::caps_read,
+					'type'     => 'string',
+					'enum'     => array(
+						EEM_Base::caps_read,
+						EEM_Base::caps_read_admin,
+						EEM_Base::caps_edit,
+						EEM_Base::caps_delete
+					)
+				),
+			)
+		);
+	}
+
+
+
+	/**
+	 * Gets parameter information for a model regarding writing data
+	 *
+	 * @param string           $model_name
+	 * @param ModelVersionInfo $model_version_info
+	 * @param boolean          $create                                       whether this is for request to create (in which case we need
+	 *                                                                       all required params) or just to update (in which case we don't need those on every request)
+	 * @return array
+	 */
+	protected function _get_write_params(
+		$model_name,
+		ModelVersionInfo $model_version_info,
+		$create = false
+	) {
+		$model = EE_Registry::instance()->load_model($model_name);
+		$fields = $model_version_info->fieldsOnModelInThisVersion($model);
+		$args_info = array();
+		foreach ($fields as $field_name => $field_obj) {
+			if ($field_obj->is_auto_increment()) {
+				//totally ignore auto increment IDs
+				continue;
+			}
+			$arg_info = $field_obj->getSchema();
+			$required = $create && ! $field_obj->is_nullable() && $field_obj->get_default_value() === null;
+			$arg_info['required'] = $required;
+			//remove the read-only flag. If it were read-only we wouldn't list it as an argument while writing, right?
+			unset($arg_info['readonly']);
+			$schema_properties = $field_obj->getSchemaProperties();
+			if (
+				isset($schema_properties['raw'])
+				&& $field_obj->getSchemaType() === 'object'
+			) {
+				//if there's a "raw" form of this argument, use those properties instead
+				$arg_info = array_replace(
+					$arg_info,
+					$schema_properties['raw']
+				);
+			}
+			$arg_info['default'] = ModelDataTranslator::prepareFieldValueForJson(
+				$field_obj,
+				$field_obj->get_default_value(),
+				$model_version_info->requestedVersion()
+			);
+			//we do our own validation and sanitization within the controller
+			$arg_info['sanitize_callback'] =
+				array(
+					'EED_Core_Rest_Api',
+					'default_sanitize_callback',
+				);
+			$args_info[$field_name] = $arg_info;
+			if ($field_obj instanceof EE_Datetime_Field) {
+				$gmt_arg_info = $arg_info;
+				$gmt_arg_info['description'] = sprintf(
+					esc_html__(
+						'%1$s - the value for this field in UTC. Ignored if %2$s is provided.',
+						'event_espresso'
+					),
+					$field_obj->get_nicename(),
+					$field_name
+				);
+				$args_info[$field_name . '_gmt'] = $gmt_arg_info;
+			}
+		}
+		return $args_info;
+	}
+
+
+
+	/**
+	 * Replacement for WP API's 'rest_parse_request_arg'.
+	 * If the value is blank but not required, don't bother validating it.
+	 * Also, it uses our email validation instead of WP API's default.
+	 *
+	 * @param                 $value
+	 * @param WP_REST_Request $request
+	 * @param                 $param
+	 * @return bool|true|WP_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function default_sanitize_callback( $value, WP_REST_Request $request, $param)
+	{
+		$attributes = $request->get_attributes();
+		if (! isset($attributes['args'][$param])
+			|| ! is_array($attributes['args'][$param])) {
+			$validation_result = true;
+		} else {
+			$args = $attributes['args'][$param];
+			if ((
+					$value === ''
+					|| $value === null
+				)
+				&& (! isset($args['required'])
+					|| $args['required'] === false
+				)
+			) {
+				//not required and not provided? that's cool
+				$validation_result = true;
+			} elseif (isset($args['format'])
+				&& $args['format'] === 'email'
+			) {
+				$validation_result = true;
+				if (! self::_validate_email($value)) {
+					$validation_result = new WP_Error(
+						'rest_invalid_param',
+						esc_html__(
+							'The email address is not valid or does not exist.',
+							'event_espresso'
+						)
+					);
+				}
+			} else {
+				$validation_result = rest_validate_value_from_schema($value, $args, $param);
+			}
+		}
+		if (is_wp_error($validation_result)) {
+			return $validation_result;
+		}
+		return rest_sanitize_request_arg($value, $request, $param);
+	}
+
+
+
+	/**
+	 * Returns whether or not this email address is valid. Copied from EE_Email_Validation_Strategy::_validate_email()
+	 *
+	 * @param $email
+	 * @return bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	protected static function _validate_email($email){
+		try {
+			EmailAddressFactory::create($email);
+			return true;
+		} catch (EmailValidationException $e) {
+			return false;
+		}
+	}
+
+
+
+	/**
+	 * Gets routes for the config
+	 *
+	 * @return array @see _register_model_routes
+	 * @deprecated since version 4.9.1
+	 */
+	protected function _register_config_routes()
+	{
+		$config_routes = array();
+		foreach (self::versions_served() as $version => $hidden_endpoint) {
+			$config_routes[self::ee_api_namespace . $version] = $this->_get_config_route_data_for_version(
+				$version,
+				$hidden_endpoint
+			);
+		}
+		return $config_routes;
+	}
+
+
+
+	/**
+	 * Gets routes for the config for the specified version
+	 *
+	 * @param string  $version
+	 * @param boolean $hidden_endpoint
+	 * @return array
+	 */
+	protected function _get_config_route_data_for_version($version, $hidden_endpoint)
+	{
+		return array(
+			'config'    => array(
+				array(
+					'callback'        => array(
+						'EventEspresso\core\libraries\rest_api\controllers\config\Read',
+						'handleRequest',
+					),
+					'methods'         => WP_REST_Server::READABLE,
+					'hidden_endpoint' => $hidden_endpoint,
+					'callback_args'   => array($version),
+				),
+			),
+			'site_info' => array(
+				array(
+					'callback'        => array(
+						'EventEspresso\core\libraries\rest_api\controllers\config\Read',
+						'handleRequestSiteInfo',
+					),
+					'methods'         => WP_REST_Server::READABLE,
+					'hidden_endpoint' => $hidden_endpoint,
+					'callback_args'   => array($version),
+				),
+			),
+		);
+	}
+
+
+
+	/**
+	 * Gets the meta info routes
+	 *
+	 * @return array @see _register_model_routes
+	 * @deprecated since version 4.9.1
+	 */
+	protected function _register_meta_routes()
+	{
+		$meta_routes = array();
+		foreach (self::versions_served() as $version => $hidden_endpoint) {
+			$meta_routes[self::ee_api_namespace . $version] = $this->_get_meta_route_data_for_version(
+				$version,
+				$hidden_endpoint
+			);
+		}
+		return $meta_routes;
+	}
+
+
+
+	/**
+	 * @param string  $version
+	 * @param boolean $hidden_endpoint
+	 * @return array
+	 */
+	protected function _get_meta_route_data_for_version($version, $hidden_endpoint = false)
+	{
+		return array(
+			'resources' => array(
+				array(
+					'callback'        => array(
+						'EventEspresso\core\libraries\rest_api\controllers\model\Meta',
+						'handleRequestModelsMeta',
+					),
+					'methods'         => WP_REST_Server::READABLE,
+					'hidden_endpoint' => $hidden_endpoint,
+					'callback_args'   => array($version),
+				),
+			),
+		);
+	}
+
+
+
+	/**
+	 * Tries to hide old 4.6 endpoints from the
+	 *
+	 * @param array $route_data
+	 * @return array
+	 * @throws \EE_Error
+	 */
+	public static function hide_old_endpoints($route_data)
+	{
+		//allow API clients to override which endpoints get hidden, in case
+		//they want to discover particular endpoints
+		//also, we don't have access to the request so we have to just grab it from the superglobal
+		$force_show_ee_namespace = ltrim(
+			EEH_Array::is_set($_REQUEST, 'force_show_ee_namespace', ''),
+			'/'
+		);
+		foreach (EED_Core_Rest_Api::get_ee_route_data() as $namespace => $relative_urls) {
+			foreach ($relative_urls as $resource_name => $endpoints) {
+				foreach ($endpoints as $key => $endpoint) {
+					//skip schema and other route options
+					if (! is_numeric($key)) {
+						continue;
+					}
+					//by default, hide "hidden_endpoint"s, unless the request indicates
+					//to $force_show_ee_namespace, in which case only show that one
+					//namespace's endpoints (and hide all others)
+					if (
+						($force_show_ee_namespace !== '' && $force_show_ee_namespace !== $namespace)
+						|| ($endpoint['hidden_endpoint'] && $force_show_ee_namespace === '')
+					) {
+						$full_route = '/' . ltrim($namespace, '/');
+						$full_route .= '/' . ltrim($resource_name, '/');
+						unset($route_data[$full_route]);
+					}
+				}
+			}
+		}
+		return $route_data;
+	}
+
+
+
+	/**
+	 * Returns an array describing which versions of core support serving requests for.
+	 * Keys are core versions' major and minor version, and values are the
+	 * LOWEST requested version they can serve. Eg, 4.7 can serve requests for 4.6-like
+	 * data by just removing a few models and fields from the responses. However, 4.15 might remove
+	 * the answers table entirely, in which case it would be very difficult for
+	 * it to serve 4.6-style responses.
+	 * Versions of core that are missing from this array are unknowns.
+	 * previous ver
+	 *
+	 * @return array
+	 */
+	public static function version_compatibilities()
+	{
+		return apply_filters(
+			'FHEE__EED_Core_REST_API__version_compatibilities',
+			array(
+				'4.8.29' => '4.8.29',
+				'4.8.33' => '4.8.29',
+				'4.8.34' => '4.8.29',
+				'4.8.36' => '4.8.29',
+			)
+		);
+	}
+
+
+
+	/**
+	 * Gets the latest API version served. Eg if there
+	 * are two versions served of the API, 4.8.29 and 4.8.32, and
+	 * we are on core version 4.8.34, it will return the string "4.8.32"
+	 *
+	 * @return string
+	 */
+	public static function latest_rest_api_version()
+	{
+		$versions_served = \EED_Core_Rest_Api::versions_served();
+		$versions_served_keys = array_keys($versions_served);
+		return end($versions_served_keys);
+	}
+
+
+
+	/**
+	 * Using EED_Core_Rest_Api::version_compatibilities(), determines what version of
+	 * EE the API can serve requests for. Eg, if we are on 4.15 of core, and
+	 * we can serve requests from 4.12 or later, this will return array( '4.12', '4.13', '4.14', '4.15' ).
+	 * We also indicate whether or not this version should be put in the index or not
+	 *
+	 * @return array keys are API version numbers (just major and minor numbers), and values
+	 * are whether or not they should be hidden
+	 */
+	public static function versions_served()
+	{
+		$versions_served = array();
+		$possibly_served_versions = EED_Core_Rest_Api::version_compatibilities();
+		$lowest_compatible_version = end($possibly_served_versions);
+		reset($possibly_served_versions);
+		$versions_served_historically = array_keys($possibly_served_versions);
+		$latest_version = end($versions_served_historically);
+		reset($versions_served_historically);
+		//for each version of core we have ever served:
+		foreach ($versions_served_historically as $key_versioned_endpoint) {
+			//if it's not above the current core version, and it's compatible with the current version of core
+			if ($key_versioned_endpoint === $latest_version) {
+				//don't hide the latest version in the index
+				$versions_served[$key_versioned_endpoint] = false;
+			} elseif (
+				$key_versioned_endpoint >= $lowest_compatible_version
+				&& $key_versioned_endpoint < EED_Core_Rest_Api::core_version()
+			) {
+				//include, but hide, previous versions which are still supported
+				$versions_served[$key_versioned_endpoint] = true;
+			} elseif (apply_filters(
+				'FHEE__EED_Core_Rest_Api__versions_served__include_incompatible_versions',
+				false,
+				$possibly_served_versions
+			)) {
+				//if a version is no longer supported, don't include it in index or list of versions served
+				$versions_served[$key_versioned_endpoint] = true;
+			}
+		}
+		return $versions_served;
+	}
+
+
+
+	/**
+	 * Gets the major and minor version of EE core's version string
+	 *
+	 * @return string
+	 */
+	public static function core_version()
+	{
+		return apply_filters(
+			'FHEE__EED_Core_REST_API__core_version',
+			implode(
+				'.',
+				array_slice(
+					explode(
+						'.',
+						espresso_version()
+					),
+				0,
+				3
+				)
+			)
+		);
+	}
+
+
+
+	/**
+	 * Gets the default limit that should be used when querying for resources
+	 *
+	 * @return int
+	 */
+	public static function get_default_query_limit()
+	{
+		//we actually don't use a const because we want folks to always use
+		//this method, not the const directly
+		return apply_filters(
+			'FHEE__EED_Core_Rest_Api__get_default_query_limit',
+			50
+		);
+	}
+
+
+
+	/**
+	 *    run - initial module setup
+	 *
+	 * @access    public
+	 * @param  WP $WP
+	 * @return    void
+	 */
+	public function run($WP)
+	{
+	}
 }
 
 // End of file EED_Core_Rest_Api.module.php

Unused Use Statements -1 removed lines

@@ -1,5 +1,4 @@
 <?php
-use EventEspresso\core\domain\entities\notifications\PersistentAdminNotice;
 use EventEspresso\core\domain\services\factories\EmailAddressFactory;
 use EventEspresso\core\domain\services\validation\email\EmailValidationException;
 use EventEspresso\core\exceptions\InvalidDataTypeException;

core/libraries/messages/data_class/EE_Messages_Registrations_incoming_data.class.php

Spacing +4 added lines, -4 removed lines

@@ -4,7 +4,7 @@ 
 use EventEspresso\core\exceptions\InvalidDataTypeException;
 use EventEspresso\core\exceptions\InvalidInterfaceException;
 
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('No direct script access allowed');
 }
 
@@ -32,7 +32,7 @@ 
     {
 
         //validate that the first element in the array is an EE_Registration object.
-        if (! reset($data) instanceof EE_Registration) {
+        if ( ! reset($data) instanceof EE_Registration) {
             throw new EE_Error(
                 esc_html__(
                     'The EE_Message_Registrations_incoming_data class expects an array of EE_Registration objects.',
@@ -101,7 +101,7 @@ 
      */
     public static  function convert_data_for_persistent_storage($registrations)
     {
-        if (! self::validateRegistrationsForConversion($registrations)) {
+        if ( ! self::validateRegistrationsForConversion($registrations)) {
             return array();
         }
 
@@ -114,7 +114,7 @@ 
         //k nope so let's pull from the registrations
         $registration_ids = array_filter(
             array_map(
-                function ($registration) {
+                function($registration) {
                     if ($registration instanceof EE_Registration) {
                         return $registration->ID();
                     }

Indentation +169 added lines, -169 removed lines

@@ -5,7 +5,7 @@ 
 use EventEspresso\core\exceptions\InvalidInterfaceException;
 
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 /**
@@ -21,172 +21,172 @@ 
 {
 
 
-    /**
-     * Constructor.
-     *
-     * @param  EE_Registration[] $data expecting an array of EE_Registration objects.
-     * @throws EE_Error
-     * @access protected
-     */
-    public function __construct($data = array())
-    {
-
-        //validate that the first element in the array is an EE_Registration object.
-        if (! reset($data) instanceof EE_Registration) {
-            throw new EE_Error(
-                esc_html__(
-                    'The EE_Message_Registrations_incoming_data class expects an array of EE_Registration objects.',
-                    'event_espresso'
-                )
-            );
-        }
-        parent::__construct($data);
-    }
-
-
-    /**
-     * setup the data.
-     * Sets up the expected data object for the messages prep using incoming registration objects.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @access protected
-     */
-    protected function _setup_data()
-    {
-        //we'll loop through each contact and setup the data needed.  Note that many properties will just be set as
-        // empty because this data handler is for a very specific set of data (i.e. just what's related to the
-        // registration).
-
-        $this->reg_objs = $this->data();
-        $this->txn      = $this->_maybe_get_transaction();
-        $this->_assemble_data();
-    }
-
-
-    /**
-     * If the incoming registrations all share the same transaction then this will return the transaction object shared
-     * among the registrations. Otherwise the transaction object is set to null because its intended to only represent
-     * one transaction.
-     *
-     * @return EE_Transaction|null
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     */
-    protected function _maybe_get_transaction()
-    {
-        $transactions = array();
-        foreach ($this->reg_objs as $registration) {
-            if ($registration instanceof EE_Registration) {
-                $transaction = $registration->transaction();
-                if ($transaction instanceof EE_Transaction) {
-                    $transactions[$transaction->ID()] = $transaction;
-                }
-            }
-        }
-        return count($transactions) === 1 ? reset($transactions) : null;
-    }
-
-
-    /**
-     * Returns database safe representation of the data later used to when instantiating this object.
-     *
-     * @param array $registrations The incoming data to be prepped.
-     * @return EE_Registration[] The data being prepared for the db
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static  function convert_data_for_persistent_storage($registrations)
-    {
-        if (! self::validateRegistrationsForConversion($registrations)) {
-            return array();
-        }
-
-        //is this an array of ints?
-        $first_item = reset($registrations);
-        if (is_int($first_item)) {
-            return $registrations;
-        }
-
-        //k nope so let's pull from the registrations
-        $registration_ids = array_filter(
-            array_map(
-                function ($registration) {
-                    if ($registration instanceof EE_Registration) {
-                        return $registration->ID();
-                    }
-                    return false;
-                },
-                $registrations
-            )
-        );
-
-        return $registration_ids;
-    }
-
-
-    /**
-     * This validates incoming registrations (considers whether they are ids or EE_Registration objects.
-     *
-     * @param array $registrations Could be EE_Registration[] or int[]
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function validateRegistrationsForConversion($registrations)
-    {
-        if (is_array($registrations)) {
-            $first_item = reset($registrations);
-            if ($first_item instanceof EE_Registration) {
-                return true;
-            }
-            if (is_int($first_item)) {
-                //k let's some basic validation here.  This isn't foolproof but better than nothing.
-                //the purpose of this validation is to verify that the ids sent in match valid registrations existing
-                //in the db.  If the count is different, then we know they aren't valid.
-                $count_for_ids = EEM_Registration::instance()->count(
-                    array(
-                        array(
-                            'REG_ID' => array('IN', $registrations)
-                        )
-                    )
-                );
-                return $count_for_ids === count($registrations);
-            }
-        }
-        return false;
-    }
-
-
-    /**
-     * Data that has been stored in persistent storage that was prepped by _convert_data_for_persistent_storage
-     * can be sent into this method and converted back into the format used for instantiating with this data handler.
-     *
-     * @param array $data
-     * @return EE_Registration[]
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function convert_data_from_persistent_storage($data)
-    {
-        //since this was added later, we need to account of possible back compat issues where data already queued for
-        // generation is in the old format, which is an array of EE_Registration objects.  So if that's the case, then
-        // let's just return them
-        //@see https://events.codebasehq.com/projects/event-espresso/tickets/10127
-        if (is_array($data) && reset($data) instanceof EE_Registration) {
-            return $data;
-        }
-
-        $registrations = is_array($data)
-            ? EEM_Registration::instance()->get_all(array(array('REG_ID' => array('IN', $data))))
-            : array();
-        return $registrations;
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param  EE_Registration[] $data expecting an array of EE_Registration objects.
+	 * @throws EE_Error
+	 * @access protected
+	 */
+	public function __construct($data = array())
+	{
+
+		//validate that the first element in the array is an EE_Registration object.
+		if (! reset($data) instanceof EE_Registration) {
+			throw new EE_Error(
+				esc_html__(
+					'The EE_Message_Registrations_incoming_data class expects an array of EE_Registration objects.',
+					'event_espresso'
+				)
+			);
+		}
+		parent::__construct($data);
+	}
+
+
+	/**
+	 * setup the data.
+	 * Sets up the expected data object for the messages prep using incoming registration objects.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @access protected
+	 */
+	protected function _setup_data()
+	{
+		//we'll loop through each contact and setup the data needed.  Note that many properties will just be set as
+		// empty because this data handler is for a very specific set of data (i.e. just what's related to the
+		// registration).
+
+		$this->reg_objs = $this->data();
+		$this->txn      = $this->_maybe_get_transaction();
+		$this->_assemble_data();
+	}
+
+
+	/**
+	 * If the incoming registrations all share the same transaction then this will return the transaction object shared
+	 * among the registrations. Otherwise the transaction object is set to null because its intended to only represent
+	 * one transaction.
+	 *
+	 * @return EE_Transaction|null
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 */
+	protected function _maybe_get_transaction()
+	{
+		$transactions = array();
+		foreach ($this->reg_objs as $registration) {
+			if ($registration instanceof EE_Registration) {
+				$transaction = $registration->transaction();
+				if ($transaction instanceof EE_Transaction) {
+					$transactions[$transaction->ID()] = $transaction;
+				}
+			}
+		}
+		return count($transactions) === 1 ? reset($transactions) : null;
+	}
+
+
+	/**
+	 * Returns database safe representation of the data later used to when instantiating this object.
+	 *
+	 * @param array $registrations The incoming data to be prepped.
+	 * @return EE_Registration[] The data being prepared for the db
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static  function convert_data_for_persistent_storage($registrations)
+	{
+		if (! self::validateRegistrationsForConversion($registrations)) {
+			return array();
+		}
+
+		//is this an array of ints?
+		$first_item = reset($registrations);
+		if (is_int($first_item)) {
+			return $registrations;
+		}
+
+		//k nope so let's pull from the registrations
+		$registration_ids = array_filter(
+			array_map(
+				function ($registration) {
+					if ($registration instanceof EE_Registration) {
+						return $registration->ID();
+					}
+					return false;
+				},
+				$registrations
+			)
+		);
+
+		return $registration_ids;
+	}
+
+
+	/**
+	 * This validates incoming registrations (considers whether they are ids or EE_Registration objects.
+	 *
+	 * @param array $registrations Could be EE_Registration[] or int[]
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function validateRegistrationsForConversion($registrations)
+	{
+		if (is_array($registrations)) {
+			$first_item = reset($registrations);
+			if ($first_item instanceof EE_Registration) {
+				return true;
+			}
+			if (is_int($first_item)) {
+				//k let's some basic validation here.  This isn't foolproof but better than nothing.
+				//the purpose of this validation is to verify that the ids sent in match valid registrations existing
+				//in the db.  If the count is different, then we know they aren't valid.
+				$count_for_ids = EEM_Registration::instance()->count(
+					array(
+						array(
+							'REG_ID' => array('IN', $registrations)
+						)
+					)
+				);
+				return $count_for_ids === count($registrations);
+			}
+		}
+		return false;
+	}
+
+
+	/**
+	 * Data that has been stored in persistent storage that was prepped by _convert_data_for_persistent_storage
+	 * can be sent into this method and converted back into the format used for instantiating with this data handler.
+	 *
+	 * @param array $data
+	 * @return EE_Registration[]
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function convert_data_from_persistent_storage($data)
+	{
+		//since this was added later, we need to account of possible back compat issues where data already queued for
+		// generation is in the old format, which is an array of EE_Registration objects.  So if that's the case, then
+		// let's just return them
+		//@see https://events.codebasehq.com/projects/event-espresso/tickets/10127
+		if (is_array($data) && reset($data) instanceof EE_Registration) {
+			return $data;
+		}
+
+		$registrations = is_array($data)
+			? EEM_Registration::instance()->get_all(array(array('REG_ID' => array('IN', $data))))
+			: array();
+		return $registrations;
+	}
 }

core/services/cache/TransientCacheStorage.php

Indentation +375 added lines, -375 removed lines

@@ -19,381 +19,381 @@
 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;
-
-    /**
-     * how often to perform transient cleanup
-     *
-     * @var string $transient_cleanup_frequency
-     */
-    private $transient_cleanup_frequency;
-
-    /**
-     * 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;
-
-
-
-    /**
-     * 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 string
-     */
-    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   $round_up
-     * @return int
-     */
-    private function roundTimestamp($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;
-        }
-        $rounded_timestamp = (int) strtotime(date("Y-m-d {$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, $standard_cache = true)
-    {
-        if (isset($this->transients[ $transient_key ])) {
-            // 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
-                && $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
-            ) {
-                unset($this->transients[$transient_key]);
-                $this->updateTransients();
-                return null;
-            }
-
-            // for non standard cache items, remove the key from our tracking,
-            // but proceed to retrieve the transient so that it also gets removed from the db
-            if ($this->transients[$transient_key] <= time()) {
-                unset($this->transients[$transient_key]);
-                $this->updateTransients();
-            }
-        }
-
-        $content = get_transient($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
-     * @param bool  $force_delete   [optional] if true, then will not check incoming keys against those being tracked
-     *                              and proceed directly to deleting those entries from the cache storage
-     */
-    public function deleteMany(array $transient_keys, $force_delete = false)
-    {
-        $full_transient_keys = $force_delete ? $transient_keys : array();
-        if(empty($full_transient_keys)){
-            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;
-            }
-            // remove any transient prefixes
-            $transient_key = strpos($transient_key,  '_transient_timeout_') === 0
-                ? str_replace('_transient_timeout_', '', $transient_key)
-                : $transient_key;
-            $transient_key = strpos($transient_key,  '_transient_') === 0
-                ? str_replace('_transient_', '', $transient_key)
-                : $transient_key;
-            delete_transient($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;
+
+	/**
+	 * how often to perform transient cleanup
+	 *
+	 * @var string $transient_cleanup_frequency
+	 */
+	private $transient_cleanup_frequency;
+
+	/**
+	 * 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;
+
+
+
+	/**
+	 * 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 string
+	 */
+	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   $round_up
+	 * @return int
+	 */
+	private function roundTimestamp($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;
+		}
+		$rounded_timestamp = (int) strtotime(date("Y-m-d {$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, $standard_cache = true)
+	{
+		if (isset($this->transients[ $transient_key ])) {
+			// 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
+				&& $this->transients[$transient_key] - time() <= MINUTE_IN_SECONDS
+			) {
+				unset($this->transients[$transient_key]);
+				$this->updateTransients();
+				return null;
+			}
+
+			// for non standard cache items, remove the key from our tracking,
+			// but proceed to retrieve the transient so that it also gets removed from the db
+			if ($this->transients[$transient_key] <= time()) {
+				unset($this->transients[$transient_key]);
+				$this->updateTransients();
+			}
+		}
+
+		$content = get_transient($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
+	 * @param bool  $force_delete   [optional] if true, then will not check incoming keys against those being tracked
+	 *                              and proceed directly to deleting those entries from the cache storage
+	 */
+	public function deleteMany(array $transient_keys, $force_delete = false)
+	{
+		$full_transient_keys = $force_delete ? $transient_keys : array();
+		if(empty($full_transient_keys)){
+			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;
+			}
+			// remove any transient prefixes
+			$transient_key = strpos($transient_key,  '_transient_timeout_') === 0
+				? str_replace('_transient_timeout_', '', $transient_key)
+				: $transient_key;
+			$transient_key = strpos($transient_key,  '_transient_') === 0
+				? str_replace('_transient_', '', $transient_key)
+				: $transient_key;
+			delete_transient($transient_key);
+			unset($this->transients[$transient_key]);
+			$counter++;
+		}
+		return $counter > 0;
+	}
 
 
 

Spacing +12 added lines, -12 removed lines

@@ -60,7 +60,7 @@ 
         $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);
         }
@@ -128,17 +128,17 @@ 
         $hours = 'H';
         switch ($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);
                 $offset = HOUR_IN_SECONDS * 12;
                 break;
@@ -175,7 +175,7 @@ 
      */
     public function add($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, $expiration);
@@ -198,7 +198,7 @@ 
      */
     public function get($transient_key, $standard_cache = true)
     {
-        if (isset($this->transients[ $transient_key ])) {
+        if (isset($this->transients[$transient_key])) {
             // 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.
@@ -250,7 +250,7 @@ 
     public function deleteMany(array $transient_keys, $force_delete = false)
     {
         $full_transient_keys = $force_delete ? $transient_keys : array();
-        if(empty($full_transient_keys)){
+        if (empty($full_transient_keys)) {
             foreach ($this->transients as $transient_key => $expiration) {
                 foreach ($transient_keys as $transient_key_to_delete) {
                     if (strpos($transient_key, $transient_key_to_delete) !== false) {
@@ -335,7 +335,7 @@ 
     {
         $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
@@ -357,7 +357,7 @@ 
             }
             // 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;
     }
@@ -378,14 +378,14 @@ 
         }
         $counter = 0;
         foreach ($transient_keys as $transient_key) {
-            if($counter === $limit){
+            if ($counter === $limit) {
                 break;
             }
             // remove any transient prefixes
-            $transient_key = strpos($transient_key,  '_transient_timeout_') === 0
+            $transient_key = strpos($transient_key, '_transient_timeout_') === 0
                 ? str_replace('_transient_timeout_', '', $transient_key)
                 : $transient_key;
-            $transient_key = strpos($transient_key,  '_transient_') === 0
+            $transient_key = strpos($transient_key, '_transient_') === 0
                 ? str_replace('_transient_', '', $transient_key)
                 : $transient_key;
             delete_transient($transient_key);

admin_pages/maintenance/Maintenance_Admin_Page.core.php

Indentation +827 added lines, -827 removed lines

@@ -29,843 +29,843 @@
 {
 
 
-    /**
-     * @var EE_Datetime_Offset_Fix_Form
-     */
-    protected $datetime_fix_offset_form;
-
-
-
-    protected function _init_page_props()
-    {
-        $this->page_slug = EE_MAINTENANCE_PG_SLUG;
-        $this->page_label = EE_MAINTENANCE_LABEL;
-        $this->_admin_base_url = EE_MAINTENANCE_ADMIN_URL;
-        $this->_admin_base_path = EE_MAINTENANCE_ADMIN;
-    }
-
-
-
-    protected function _ajax_hooks()
-    {
-        add_action('wp_ajax_migration_step', array($this, 'migration_step'));
-        add_action('wp_ajax_add_error_to_migrations_ran', array($this, 'add_error_to_migrations_ran'));
-    }
-
-
-
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = EE_MAINTENANCE_LABEL;
-        $this->_labels = array(
-            'buttons' => array(
-                'reset_reservations' => esc_html__('Reset Ticket and Datetime Reserved Counts', 'event_espresso'),
-                'reset_capabilities' => esc_html__('Reset Event Espresso Capabilities', 'event_espresso'),
-            ),
-        );
-    }
-
-
-
-    protected function _set_page_routes()
-    {
-        $this->_page_routes = array(
-            'default'                             => array(
-                'func'       => '_maintenance',
-                'capability' => 'manage_options',
-            ),
-            'change_maintenance_level'            => array(
-                'func'       => '_change_maintenance_level',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'system_status'                       => array(
-                'func'       => '_system_status',
-                'capability' => 'manage_options',
-            ),
-            'download_system_status' => array(
-                'func'       => '_download_system_status',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'send_migration_crash_report'         => array(
-                'func'       => '_send_migration_crash_report',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'confirm_migration_crash_report_sent' => array(
-                'func'       => '_confirm_migration_crash_report_sent',
-                'capability' => 'manage_options',
-            ),
-            'data_reset'                          => array(
-                'func'       => '_data_reset_and_delete',
-                'capability' => 'manage_options',
-            ),
-            'reset_db'                            => array(
-                'func'       => '_reset_db',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-                'args'       => array('nuke_old_ee4_data' => true),
-            ),
-            'start_with_fresh_ee4_db'             => array(
-                'func'       => '_reset_db',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-                'args'       => array('nuke_old_ee4_data' => false),
-            ),
-            'delete_db'                           => array(
-                'func'       => '_delete_db',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'rerun_migration_from_ee3'            => array(
-                'func'       => '_rerun_migration_from_ee3',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'reset_reservations'                  => array(
-                'func'       => '_reset_reservations',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'reset_capabilities'                  => array(
-                'func'       => '_reset_capabilities',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'reattempt_migration'                 => array(
-                'func'       => '_reattempt_migration',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'datetime_tools' => array(
-                'func' => '_datetime_tools',
-                'capability' => 'manage_options'
-            ),
-            'run_datetime_offset_fix' => array(
-                'func' => '_apply_datetime_offset',
-                'noheader' => true,
-                'headers_sent_route' => 'datetime_tools',
-                'capability' => 'manage_options'
-            )
-        );
-    }
-
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default'       => array(
-                'nav'           => array(
-                    'label' => esc_html__('Maintenance', 'event_espresso'),
-                    'order' => 10,
-                ),
-                'require_nonce' => false,
-            ),
-            'data_reset'    => array(
-                'nav'           => array(
-                    'label' => esc_html__('Reset/Delete Data', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'require_nonce' => false,
-            ),
-            'datetime_tools' => array(
-                'nav' => array(
-                    'label' => esc_html__('Datetime Utilities', 'event_espresso'),
-                    'order' => 25
-                ),
-                'require_nonce' => false,
-            ),
-            'system_status' => array(
-                'nav'           => array(
-                    'label' => esc_html__("System Information", "event_espresso"),
-                    'order' => 30,
-                ),
-                'require_nonce' => false,
-            ),
-        );
-    }
-
-
-
-    /**
-     * default maintenance page. If we're in maintenance mode level 2, then we need to show
-     * the migration scripts and all that UI.
-     */
-    public function _maintenance()
-    {
-        //it all depends if we're in maintenance model level 1 (frontend-only) or
-        //level 2 (everything except maintenance page)
-        try {
-            //get the current maintenance level and check if
-            //we are removed
-            $mm = EE_Maintenance_Mode::instance()->level();
-            $placed_in_mm = EE_Maintenance_Mode::instance()->set_maintenance_mode_if_db_old();
-            if ($mm == EE_Maintenance_Mode::level_2_complete_maintenance && ! $placed_in_mm) {
-                //we just took the site out of maintenance mode, so notify the user.
-                //unfortunately this message appears to be echoed on the NEXT page load...
-                //oh well, we should really be checking for this on addon deactivation anyways
-                EE_Error::add_attention(__('Site taken out of maintenance mode because no data migration scripts are required',
-                    'event_espresso'));
-                $this->_process_notices(array('page' => 'espresso_maintenance_settings'), false);
-            }
-            //in case an exception is thrown while trying to handle migrations
-            switch (EE_Maintenance_Mode::instance()->level()) {
-                case EE_Maintenance_Mode::level_0_not_in_maintenance:
-                case EE_Maintenance_Mode::level_1_frontend_only_maintenance:
-                    $show_maintenance_switch = true;
-                    $show_backup_db_text = false;
-                    $show_migration_progress = false;
-                    $script_names = array();
-                    $addons_should_be_upgraded_first = false;
-                    break;
-                case EE_Maintenance_Mode::level_2_complete_maintenance:
-                    $show_maintenance_switch = false;
-                    $show_migration_progress = true;
-                    if (isset($this->_req_data['continue_migration'])) {
-                        $show_backup_db_text = false;
-                    } else {
-                        $show_backup_db_text = true;
-                    }
-                    $scripts_needing_to_run = EE_Data_Migration_Manager::instance()
-                                                                       ->check_for_applicable_data_migration_scripts();
-                    $addons_should_be_upgraded_first = EE_Data_Migration_Manager::instance()->addons_need_updating();
-                    $script_names = array();
-                    $current_script = null;
-                    foreach ($scripts_needing_to_run as $script) {
-                        if ($script instanceof EE_Data_Migration_Script_Base) {
-                            if ( ! $current_script) {
-                                $current_script = $script;
-                                $current_script->migration_page_hooks();
-                            }
-                            $script_names[] = $script->pretty_name();
-                        }
-                    }
-                    break;
-            }
-            $most_recent_migration = EE_Data_Migration_Manager::instance()->get_last_ran_script(true);
-            $exception_thrown = false;
-        } catch (EE_Error $e) {
-            EE_Data_Migration_Manager::instance()->add_error_to_migrations_ran($e->getMessage());
-            //now, just so we can display the page correctly, make a error migration script stage object
-            //and also put the error on it. It only persists for the duration of this request
-            $most_recent_migration = new EE_DMS_Unknown_1_0_0();
-            $most_recent_migration->add_error($e->getMessage());
-            $exception_thrown = true;
-        }
-        $current_db_state = EE_Data_Migration_Manager::instance()->ensure_current_database_state_is_set();
-        $current_db_state = str_replace('.decaf', '', $current_db_state);
-        if ($exception_thrown
-            || ($most_recent_migration
-                && $most_recent_migration instanceof EE_Data_Migration_Script_Base
-                && $most_recent_migration->is_broken()
-            )
-        ) {
-            $this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_migration_was_borked_page.template.php';
-            $this->_template_args['support_url'] = 'http://eventespresso.com/support/forums/';
-            $this->_template_args['next_url'] = EEH_URL::add_query_args_and_nonce(array('action'  => 'confirm_migration_crash_report_sent',
-                                                                                        'success' => '0',
-            ), EE_MAINTENANCE_ADMIN_URL);
-        } elseif ($addons_should_be_upgraded_first) {
-            $this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_upgrade_addons_before_migrating.template.php';
-        } else {
-            if ($most_recent_migration
-                && $most_recent_migration instanceof EE_Data_Migration_Script_Base
-                && $most_recent_migration->can_continue()
-            ) {
-                $show_backup_db_text = false;
-                $show_continue_current_migration_script = true;
-                $show_most_recent_migration = true;
-            } elseif (isset($this->_req_data['continue_migration'])) {
-                $show_most_recent_migration = true;
-                $show_continue_current_migration_script = false;
-            } else {
-                $show_most_recent_migration = false;
-                $show_continue_current_migration_script = false;
-            }
-            if (isset($current_script)) {
-                $migrates_to = $current_script->migrates_to_version();
-                $plugin_slug = $migrates_to['slug'];
-                $new_version = $migrates_to['version'];
-                $this->_template_args = array_merge($this->_template_args, array(
-                    'current_db_state' => sprintf(__("EE%s (%s)", "event_espresso"),
-                        isset($current_db_state[$plugin_slug]) ? $current_db_state[$plugin_slug] : 3, $plugin_slug),
-                    'next_db_state'    => isset($current_script) ? sprintf(__("EE%s (%s)", 'event_espresso'),
-                        $new_version, $plugin_slug) : null,
-                ));
-            } else {
-                $this->_template_args['current_db_state'] = null;
-                $this->_template_args['next_db_state'] = null;
-            }
-            $this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_migration_page.template.php';
-            $this->_template_args = array_merge(
-                $this->_template_args,
-                array(
-                    'show_most_recent_migration'             => $show_most_recent_migration,
-                    //flag for showing the most recent migration's status and/or errors
-                    'show_migration_progress'                => $show_migration_progress,
-                    //flag for showing the option to run migrations and see their progress
-                    'show_backup_db_text'                    => $show_backup_db_text,
-                    //flag for showing text telling the user to backup their DB
-                    'show_maintenance_switch'                => $show_maintenance_switch,
-                    //flag for showing the option to change maintenance mode between levels 0 and 1
-                    'script_names'                           => $script_names,
-                    //array of names of scripts that have run
-                    'show_continue_current_migration_script' => $show_continue_current_migration_script,
-                    //flag to change wording to indicating that we're only CONTINUING a migration script (somehow it got interrupted0
-                    'reset_db_page_link'                     => EE_Admin_Page::add_query_args_and_nonce(array('action' => 'reset_db'),
-                        EE_MAINTENANCE_ADMIN_URL),
-                    'data_reset_page'                        => EE_Admin_Page::add_query_args_and_nonce(array('action' => 'data_reset'),
-                        EE_MAINTENANCE_ADMIN_URL),
-                    'update_migration_script_page_link'      => EE_Admin_Page::add_query_args_and_nonce(array('action' => 'change_maintenance_level'),
-                        EE_MAINTENANCE_ADMIN_URL),
-                    'ultimate_db_state'                      => sprintf(__("EE%s", 'event_espresso'),
-                        espresso_version()),
-                )
-            );
-            //make sure we have the form fields helper available. It usually is, but sometimes it isn't
-        }
-        $this->_template_args['most_recent_migration'] = $most_recent_migration;//the actual most recently ran migration
-        //now render the migration options part, and put it in a variable
-        $migration_options_template_file = apply_filters(
-            'FHEE__ee_migration_page__migration_options_template',
-            EE_MAINTENANCE_TEMPLATE_PATH . 'migration_options_from_ee4.template.php'
-        );
-        $migration_options_html = EEH_Template::display_template($migration_options_template_file, $this->_template_args,true);
-        $this->_template_args['migration_options_html'] = $migration_options_html;
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template($this->_template_path,
-            $this->_template_args, true);
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-
-    /**
-     * returns JSON and executes another step of the currently-executing data migration (called via ajax)
-     */
-    public function migration_step()
-    {
-        $this->_template_args['data'] = EE_Data_Migration_Manager::instance()->response_to_migration_ajax_request();
-        $this->_return_json();
-    }
-
-
-
-    /**
-     * Can be used by js when it notices a response with HTML in it in order
-     * to log the malformed response
-     */
-    public function add_error_to_migrations_ran()
-    {
-        EE_Data_Migration_Manager::instance()->add_error_to_migrations_ran($this->_req_data['message']);
-        $this->_template_args['data'] = array('ok' => true);
-        $this->_return_json();
-    }
-
-
-
-    /**
-     * changes the maintenance level, provided there are still no migration scripts that should run
-     */
-    public function _change_maintenance_level()
-    {
-        $new_level = absint($this->_req_data['maintenance_mode_level']);
-        if ( ! EE_Data_Migration_Manager::instance()->check_for_applicable_data_migration_scripts()) {
-            EE_Maintenance_Mode::instance()->set_maintenance_level($new_level);
-            $success = true;
-        } else {
-            EE_Maintenance_Mode::instance()->set_maintenance_mode_if_db_old();
-            $success = false;
-        }
-        $this->_redirect_after_action($success, 'Maintenance Mode', esc_html__("Updated", "event_espresso"));
-    }
-
-
-
-    /**
-     * a tab with options for resetting and/or deleting EE data
-     *
-     * @throws \EE_Error
-     * @throws \DomainException
-     */
-    public function _data_reset_and_delete()
-    {
-        $this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_data_reset_and_delete.template.php';
-        $this->_template_args['reset_reservations_button'] = $this->get_action_link_or_button(
-            'reset_reservations',
-            'reset_reservations',
-            array(),
-            'button button-primary ee-confirm',
-            '',
-            false
-        );
-        $this->_template_args['reset_capabilities_button'] = $this->get_action_link_or_button(
-            'reset_capabilities',
-            'reset_capabilities',
-            array(),
-            'button button-primary ee-confirm',
-            '',
-            false
-        );
-        $this->_template_args['delete_db_url'] = EE_Admin_Page::add_query_args_and_nonce(
-            array('action' => 'delete_db'),
-            EE_MAINTENANCE_ADMIN_URL
-        );
-        $this->_template_args['reset_db_url'] = EE_Admin_Page::add_query_args_and_nonce(
-            array('action' => 'reset_db'),
-            EE_MAINTENANCE_ADMIN_URL
-        );
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $this->_template_path,
-            $this->_template_args,
-            true
-        );
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-
-    protected function _reset_reservations()
-    {
-        if(\EED_Ticket_Sales_Monitor::reset_reservation_counts()) {
-            EE_Error::add_success(
-                __(
-                    'Ticket and datetime reserved counts have been successfully reset.',
-                    'event_espresso'
-                )
-            );
-        } else {
-            EE_Error::add_success(
-                __(
-                    'Ticket and datetime reserved counts were correct and did not need resetting.',
-                    'event_espresso'
-                )
-            );
-        }
-        $this->_redirect_after_action(true, '', '', array('action' => 'data_reset'), true);
-    }
-
-
-
-    protected function _reset_capabilities()
-    {
-        EE_Registry::instance()->CAP->init_caps(true);
-        EE_Error::add_success(__('Default Event Espresso capabilities have been restored for all current roles.',
-            'event_espresso'));
-        $this->_redirect_after_action(false, '', '', array('action' => 'data_reset'), true);
-    }
-
-
-
-    /**
-     * resets the DMSs so we can attempt to continue migrating after a fatal error
-     * (only a good idea when someone has somehow tried ot fix whatever caused
-     * the fatal error in teh first place)
-     */
-    protected function _reattempt_migration()
-    {
-        EE_Data_Migration_Manager::instance()->reattempt();
-        $this->_redirect_after_action(false, '', '', array('action' => 'default'), true);
-    }
-
-
-
-    /**
-     * shows the big ol' System Information page
-     */
-    public function _system_status()
-    {
-        $this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_system_stati_page.template.php';
-        $this->_template_args['system_stati'] = EEM_System_Status::instance()->get_system_stati();
-        $this->_template_args['download_system_status_url'] = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'download_system_status',
-            ),
-            EE_MAINTENANCE_ADMIN_URL
-        );
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template($this->_template_path,
-            $this->_template_args, true);
-        $this->display_admin_page_with_sidebar();
-    }
-
-    /**
-     * Downloads an HTML file of the system status that can be easily stored or emailed
-     */
-    public function _download_system_status()
-    {
-        $status_info = EEM_System_Status::instance()->get_system_stati();
-        header( 'Content-Disposition: attachment' );
-        header( "Content-Disposition: attachment; filename=system_status_" . sanitize_key( site_url() ) . ".html" );
-        echo "<style>table{border:1px solid darkgrey;}td{vertical-align:top}</style>";
-        echo "<h1>System Information for " . site_url() . "</h1>";
-        echo EEH_Template::layout_array_as_table( $status_info );
-        die;
-    }
-
-
-
-    public function _send_migration_crash_report()
-    {
-        $from = $this->_req_data['from'];
-        $from_name = $this->_req_data['from_name'];
-        $body = $this->_req_data['body'];
-        try {
-            $success = wp_mail(EE_SUPPORT_EMAIL,
-                'Migration Crash Report',
-                $body . "/r/n<br>" . print_r(EEM_System_Status::instance()->get_system_stati(), true),
-                array(
-                    "from:$from_name<$from>",
-                    //					'content-type:text/html charset=UTF-8'
-                ));
-        } catch (Exception $e) {
-            $success = false;
-        }
-        $this->_redirect_after_action($success, esc_html__("Migration Crash Report", "event_espresso"),
-            esc_html__("sent", "event_espresso"),
-            array('success' => $success, 'action' => 'confirm_migration_crash_report_sent'));
-    }
-
-
-
-    public function _confirm_migration_crash_report_sent()
-    {
-        try {
-            $most_recent_migration = EE_Data_Migration_Manager::instance()->get_last_ran_script(true);
-        } catch (EE_Error $e) {
-            EE_Data_Migration_Manager::instance()->add_error_to_migrations_ran($e->getMessage());
-            //now, just so we can display the page correctly, make a error migration script stage object
-            //and also put the error on it. It only persists for the duration of this request
-            $most_recent_migration = new EE_DMS_Unknown_1_0_0();
-            $most_recent_migration->add_error($e->getMessage());
-        }
-        $success = $this->_req_data['success'] == '1' ? true : false;
-        $this->_template_args['success'] = $success;
-        $this->_template_args['most_recent_migration'] = $most_recent_migration;
-        $this->_template_args['reset_db_action_url'] = EE_Admin_Page::add_query_args_and_nonce(array('action' => 'reset_db'),
-            EE_MAINTENANCE_ADMIN_URL);
-        $this->_template_args['reset_db_page_url'] = EE_Admin_Page::add_query_args_and_nonce(array('action' => 'data_reset'),
-            EE_MAINTENANCE_ADMIN_URL);
-        $this->_template_args['reattempt_action_url'] = EE_Admin_Page::add_query_args_and_nonce(array('action' => 'reattempt_migration'),
-            EE_MAINTENANCE_ADMIN_URL);
-        $this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_confirm_migration_crash_report_sent.template.php';
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template($this->_template_path,
-            $this->_template_args, true);
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-
-    /**
-     * Resets the entire EE4 database.
-     * Currently basically only sets up ee4 database for a fresh install- doesn't
-     * actually clean out the old wp options, or cpts (although does erase old ee table data)
-     *
-     * @param boolean $nuke_old_ee4_data controls whether or not we
-     *                                   destroy the old ee4 data, or just try initializing ee4 default data
-     */
-    public function _reset_db($nuke_old_ee4_data = true)
-    {
-        EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_0_not_in_maintenance);
-        if ($nuke_old_ee4_data) {
-            EEH_Activation::delete_all_espresso_cpt_data();
-            EEH_Activation::delete_all_espresso_tables_and_data(false);
-            EEH_Activation::remove_cron_tasks();
-        }
-        //make sure when we reset the registry's config that it
-        //switches to using the new singleton
-        EE_Registry::instance()->CFG = EE_Registry::instance()->CFG->reset(true);
-        EE_System::instance()->initialize_db_if_no_migrations_required(true);
-        EE_System::instance()->redirect_to_about_ee();
-    }
-
-
-
-    /**
-     * Deletes ALL EE tables, Records, and Options from the database.
-     */
-    public function _delete_db()
-    {
-        EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_0_not_in_maintenance);
-        EEH_Activation::delete_all_espresso_cpt_data();
-        EEH_Activation::delete_all_espresso_tables_and_data();
-        EEH_Activation::remove_cron_tasks();
-        EEH_Activation::deactivate_event_espresso();
-        wp_safe_redirect(admin_url('plugins.php'));
-        exit;
-    }
-
-
-
-    /**
-     * sets up EE4 to rerun the migrations from ee3 to ee4
-     */
-    public function _rerun_migration_from_ee3()
-    {
-        EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_0_not_in_maintenance);
-        EEH_Activation::delete_all_espresso_cpt_data();
-        EEH_Activation::delete_all_espresso_tables_and_data(false);
-        //set the db state to something that will require migrations
-        update_option(EE_Data_Migration_Manager::current_database_state, '3.1.36.0');
-        EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_2_complete_maintenance);
-        $this->_redirect_after_action(true, esc_html__("Database", 'event_espresso'), esc_html__("reset", 'event_espresso'));
-    }
-
-
-
-    //none of the below group are currently used for Gateway Settings
-    protected function _add_screen_options()
-    {
-    }
-
-
-
-    protected function _add_feature_pointers()
-    {
-    }
-
+	/**
+	 * @var EE_Datetime_Offset_Fix_Form
+	 */
+	protected $datetime_fix_offset_form;
+
+
+
+	protected function _init_page_props()
+	{
+		$this->page_slug = EE_MAINTENANCE_PG_SLUG;
+		$this->page_label = EE_MAINTENANCE_LABEL;
+		$this->_admin_base_url = EE_MAINTENANCE_ADMIN_URL;
+		$this->_admin_base_path = EE_MAINTENANCE_ADMIN;
+	}
+
+
+
+	protected function _ajax_hooks()
+	{
+		add_action('wp_ajax_migration_step', array($this, 'migration_step'));
+		add_action('wp_ajax_add_error_to_migrations_ran', array($this, 'add_error_to_migrations_ran'));
+	}
+
+
+
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = EE_MAINTENANCE_LABEL;
+		$this->_labels = array(
+			'buttons' => array(
+				'reset_reservations' => esc_html__('Reset Ticket and Datetime Reserved Counts', 'event_espresso'),
+				'reset_capabilities' => esc_html__('Reset Event Espresso Capabilities', 'event_espresso'),
+			),
+		);
+	}
+
+
+
+	protected function _set_page_routes()
+	{
+		$this->_page_routes = array(
+			'default'                             => array(
+				'func'       => '_maintenance',
+				'capability' => 'manage_options',
+			),
+			'change_maintenance_level'            => array(
+				'func'       => '_change_maintenance_level',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'system_status'                       => array(
+				'func'       => '_system_status',
+				'capability' => 'manage_options',
+			),
+			'download_system_status' => array(
+				'func'       => '_download_system_status',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'send_migration_crash_report'         => array(
+				'func'       => '_send_migration_crash_report',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'confirm_migration_crash_report_sent' => array(
+				'func'       => '_confirm_migration_crash_report_sent',
+				'capability' => 'manage_options',
+			),
+			'data_reset'                          => array(
+				'func'       => '_data_reset_and_delete',
+				'capability' => 'manage_options',
+			),
+			'reset_db'                            => array(
+				'func'       => '_reset_db',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+				'args'       => array('nuke_old_ee4_data' => true),
+			),
+			'start_with_fresh_ee4_db'             => array(
+				'func'       => '_reset_db',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+				'args'       => array('nuke_old_ee4_data' => false),
+			),
+			'delete_db'                           => array(
+				'func'       => '_delete_db',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'rerun_migration_from_ee3'            => array(
+				'func'       => '_rerun_migration_from_ee3',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'reset_reservations'                  => array(
+				'func'       => '_reset_reservations',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'reset_capabilities'                  => array(
+				'func'       => '_reset_capabilities',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'reattempt_migration'                 => array(
+				'func'       => '_reattempt_migration',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'datetime_tools' => array(
+				'func' => '_datetime_tools',
+				'capability' => 'manage_options'
+			),
+			'run_datetime_offset_fix' => array(
+				'func' => '_apply_datetime_offset',
+				'noheader' => true,
+				'headers_sent_route' => 'datetime_tools',
+				'capability' => 'manage_options'
+			)
+		);
+	}
+
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default'       => array(
+				'nav'           => array(
+					'label' => esc_html__('Maintenance', 'event_espresso'),
+					'order' => 10,
+				),
+				'require_nonce' => false,
+			),
+			'data_reset'    => array(
+				'nav'           => array(
+					'label' => esc_html__('Reset/Delete Data', 'event_espresso'),
+					'order' => 20,
+				),
+				'require_nonce' => false,
+			),
+			'datetime_tools' => array(
+				'nav' => array(
+					'label' => esc_html__('Datetime Utilities', 'event_espresso'),
+					'order' => 25
+				),
+				'require_nonce' => false,
+			),
+			'system_status' => array(
+				'nav'           => array(
+					'label' => esc_html__("System Information", "event_espresso"),
+					'order' => 30,
+				),
+				'require_nonce' => false,
+			),
+		);
+	}
+
+
+
+	/**
+	 * default maintenance page. If we're in maintenance mode level 2, then we need to show
+	 * the migration scripts and all that UI.
+	 */
+	public function _maintenance()
+	{
+		//it all depends if we're in maintenance model level 1 (frontend-only) or
+		//level 2 (everything except maintenance page)
+		try {
+			//get the current maintenance level and check if
+			//we are removed
+			$mm = EE_Maintenance_Mode::instance()->level();
+			$placed_in_mm = EE_Maintenance_Mode::instance()->set_maintenance_mode_if_db_old();
+			if ($mm == EE_Maintenance_Mode::level_2_complete_maintenance && ! $placed_in_mm) {
+				//we just took the site out of maintenance mode, so notify the user.
+				//unfortunately this message appears to be echoed on the NEXT page load...
+				//oh well, we should really be checking for this on addon deactivation anyways
+				EE_Error::add_attention(__('Site taken out of maintenance mode because no data migration scripts are required',
+					'event_espresso'));
+				$this->_process_notices(array('page' => 'espresso_maintenance_settings'), false);
+			}
+			//in case an exception is thrown while trying to handle migrations
+			switch (EE_Maintenance_Mode::instance()->level()) {
+				case EE_Maintenance_Mode::level_0_not_in_maintenance:
+				case EE_Maintenance_Mode::level_1_frontend_only_maintenance:
+					$show_maintenance_switch = true;
+					$show_backup_db_text = false;
+					$show_migration_progress = false;
+					$script_names = array();
+					$addons_should_be_upgraded_first = false;
+					break;
+				case EE_Maintenance_Mode::level_2_complete_maintenance:
+					$show_maintenance_switch = false;
+					$show_migration_progress = true;
+					if (isset($this->_req_data['continue_migration'])) {
+						$show_backup_db_text = false;
+					} else {
+						$show_backup_db_text = true;
+					}
+					$scripts_needing_to_run = EE_Data_Migration_Manager::instance()
+																	   ->check_for_applicable_data_migration_scripts();
+					$addons_should_be_upgraded_first = EE_Data_Migration_Manager::instance()->addons_need_updating();
+					$script_names = array();
+					$current_script = null;
+					foreach ($scripts_needing_to_run as $script) {
+						if ($script instanceof EE_Data_Migration_Script_Base) {
+							if ( ! $current_script) {
+								$current_script = $script;
+								$current_script->migration_page_hooks();
+							}
+							$script_names[] = $script->pretty_name();
+						}
+					}
+					break;
+			}
+			$most_recent_migration = EE_Data_Migration_Manager::instance()->get_last_ran_script(true);
+			$exception_thrown = false;
+		} catch (EE_Error $e) {
+			EE_Data_Migration_Manager::instance()->add_error_to_migrations_ran($e->getMessage());
+			//now, just so we can display the page correctly, make a error migration script stage object
+			//and also put the error on it. It only persists for the duration of this request
+			$most_recent_migration = new EE_DMS_Unknown_1_0_0();
+			$most_recent_migration->add_error($e->getMessage());
+			$exception_thrown = true;
+		}
+		$current_db_state = EE_Data_Migration_Manager::instance()->ensure_current_database_state_is_set();
+		$current_db_state = str_replace('.decaf', '', $current_db_state);
+		if ($exception_thrown
+			|| ($most_recent_migration
+				&& $most_recent_migration instanceof EE_Data_Migration_Script_Base
+				&& $most_recent_migration->is_broken()
+			)
+		) {
+			$this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_migration_was_borked_page.template.php';
+			$this->_template_args['support_url'] = 'http://eventespresso.com/support/forums/';
+			$this->_template_args['next_url'] = EEH_URL::add_query_args_and_nonce(array('action'  => 'confirm_migration_crash_report_sent',
+																						'success' => '0',
+			), EE_MAINTENANCE_ADMIN_URL);
+		} elseif ($addons_should_be_upgraded_first) {
+			$this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_upgrade_addons_before_migrating.template.php';
+		} else {
+			if ($most_recent_migration
+				&& $most_recent_migration instanceof EE_Data_Migration_Script_Base
+				&& $most_recent_migration->can_continue()
+			) {
+				$show_backup_db_text = false;
+				$show_continue_current_migration_script = true;
+				$show_most_recent_migration = true;
+			} elseif (isset($this->_req_data['continue_migration'])) {
+				$show_most_recent_migration = true;
+				$show_continue_current_migration_script = false;
+			} else {
+				$show_most_recent_migration = false;
+				$show_continue_current_migration_script = false;
+			}
+			if (isset($current_script)) {
+				$migrates_to = $current_script->migrates_to_version();
+				$plugin_slug = $migrates_to['slug'];
+				$new_version = $migrates_to['version'];
+				$this->_template_args = array_merge($this->_template_args, array(
+					'current_db_state' => sprintf(__("EE%s (%s)", "event_espresso"),
+						isset($current_db_state[$plugin_slug]) ? $current_db_state[$plugin_slug] : 3, $plugin_slug),
+					'next_db_state'    => isset($current_script) ? sprintf(__("EE%s (%s)", 'event_espresso'),
+						$new_version, $plugin_slug) : null,
+				));
+			} else {
+				$this->_template_args['current_db_state'] = null;
+				$this->_template_args['next_db_state'] = null;
+			}
+			$this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_migration_page.template.php';
+			$this->_template_args = array_merge(
+				$this->_template_args,
+				array(
+					'show_most_recent_migration'             => $show_most_recent_migration,
+					//flag for showing the most recent migration's status and/or errors
+					'show_migration_progress'                => $show_migration_progress,
+					//flag for showing the option to run migrations and see their progress
+					'show_backup_db_text'                    => $show_backup_db_text,
+					//flag for showing text telling the user to backup their DB
+					'show_maintenance_switch'                => $show_maintenance_switch,
+					//flag for showing the option to change maintenance mode between levels 0 and 1
+					'script_names'                           => $script_names,
+					//array of names of scripts that have run
+					'show_continue_current_migration_script' => $show_continue_current_migration_script,
+					//flag to change wording to indicating that we're only CONTINUING a migration script (somehow it got interrupted0
+					'reset_db_page_link'                     => EE_Admin_Page::add_query_args_and_nonce(array('action' => 'reset_db'),
+						EE_MAINTENANCE_ADMIN_URL),
+					'data_reset_page'                        => EE_Admin_Page::add_query_args_and_nonce(array('action' => 'data_reset'),
+						EE_MAINTENANCE_ADMIN_URL),
+					'update_migration_script_page_link'      => EE_Admin_Page::add_query_args_and_nonce(array('action' => 'change_maintenance_level'),
+						EE_MAINTENANCE_ADMIN_URL),
+					'ultimate_db_state'                      => sprintf(__("EE%s", 'event_espresso'),
+						espresso_version()),
+				)
+			);
+			//make sure we have the form fields helper available. It usually is, but sometimes it isn't
+		}
+		$this->_template_args['most_recent_migration'] = $most_recent_migration;//the actual most recently ran migration
+		//now render the migration options part, and put it in a variable
+		$migration_options_template_file = apply_filters(
+			'FHEE__ee_migration_page__migration_options_template',
+			EE_MAINTENANCE_TEMPLATE_PATH . 'migration_options_from_ee4.template.php'
+		);
+		$migration_options_html = EEH_Template::display_template($migration_options_template_file, $this->_template_args,true);
+		$this->_template_args['migration_options_html'] = $migration_options_html;
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template($this->_template_path,
+			$this->_template_args, true);
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+
+	/**
+	 * returns JSON and executes another step of the currently-executing data migration (called via ajax)
+	 */
+	public function migration_step()
+	{
+		$this->_template_args['data'] = EE_Data_Migration_Manager::instance()->response_to_migration_ajax_request();
+		$this->_return_json();
+	}
+
+
+
+	/**
+	 * Can be used by js when it notices a response with HTML in it in order
+	 * to log the malformed response
+	 */
+	public function add_error_to_migrations_ran()
+	{
+		EE_Data_Migration_Manager::instance()->add_error_to_migrations_ran($this->_req_data['message']);
+		$this->_template_args['data'] = array('ok' => true);
+		$this->_return_json();
+	}
+
+
+
+	/**
+	 * changes the maintenance level, provided there are still no migration scripts that should run
+	 */
+	public function _change_maintenance_level()
+	{
+		$new_level = absint($this->_req_data['maintenance_mode_level']);
+		if ( ! EE_Data_Migration_Manager::instance()->check_for_applicable_data_migration_scripts()) {
+			EE_Maintenance_Mode::instance()->set_maintenance_level($new_level);
+			$success = true;
+		} else {
+			EE_Maintenance_Mode::instance()->set_maintenance_mode_if_db_old();
+			$success = false;
+		}
+		$this->_redirect_after_action($success, 'Maintenance Mode', esc_html__("Updated", "event_espresso"));
+	}
+
+
+
+	/**
+	 * a tab with options for resetting and/or deleting EE data
+	 *
+	 * @throws \EE_Error
+	 * @throws \DomainException
+	 */
+	public function _data_reset_and_delete()
+	{
+		$this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_data_reset_and_delete.template.php';
+		$this->_template_args['reset_reservations_button'] = $this->get_action_link_or_button(
+			'reset_reservations',
+			'reset_reservations',
+			array(),
+			'button button-primary ee-confirm',
+			'',
+			false
+		);
+		$this->_template_args['reset_capabilities_button'] = $this->get_action_link_or_button(
+			'reset_capabilities',
+			'reset_capabilities',
+			array(),
+			'button button-primary ee-confirm',
+			'',
+			false
+		);
+		$this->_template_args['delete_db_url'] = EE_Admin_Page::add_query_args_and_nonce(
+			array('action' => 'delete_db'),
+			EE_MAINTENANCE_ADMIN_URL
+		);
+		$this->_template_args['reset_db_url'] = EE_Admin_Page::add_query_args_and_nonce(
+			array('action' => 'reset_db'),
+			EE_MAINTENANCE_ADMIN_URL
+		);
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$this->_template_path,
+			$this->_template_args,
+			true
+		);
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+
+	protected function _reset_reservations()
+	{
+		if(\EED_Ticket_Sales_Monitor::reset_reservation_counts()) {
+			EE_Error::add_success(
+				__(
+					'Ticket and datetime reserved counts have been successfully reset.',
+					'event_espresso'
+				)
+			);
+		} else {
+			EE_Error::add_success(
+				__(
+					'Ticket and datetime reserved counts were correct and did not need resetting.',
+					'event_espresso'
+				)
+			);
+		}
+		$this->_redirect_after_action(true, '', '', array('action' => 'data_reset'), true);
+	}
+
+
+
+	protected function _reset_capabilities()
+	{
+		EE_Registry::instance()->CAP->init_caps(true);
+		EE_Error::add_success(__('Default Event Espresso capabilities have been restored for all current roles.',
+			'event_espresso'));
+		$this->_redirect_after_action(false, '', '', array('action' => 'data_reset'), true);
+	}
+
+
+
+	/**
+	 * resets the DMSs so we can attempt to continue migrating after a fatal error
+	 * (only a good idea when someone has somehow tried ot fix whatever caused
+	 * the fatal error in teh first place)
+	 */
+	protected function _reattempt_migration()
+	{
+		EE_Data_Migration_Manager::instance()->reattempt();
+		$this->_redirect_after_action(false, '', '', array('action' => 'default'), true);
+	}
+
+
+
+	/**
+	 * shows the big ol' System Information page
+	 */
+	public function _system_status()
+	{
+		$this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_system_stati_page.template.php';
+		$this->_template_args['system_stati'] = EEM_System_Status::instance()->get_system_stati();
+		$this->_template_args['download_system_status_url'] = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'download_system_status',
+			),
+			EE_MAINTENANCE_ADMIN_URL
+		);
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template($this->_template_path,
+			$this->_template_args, true);
+		$this->display_admin_page_with_sidebar();
+	}
+
+	/**
+	 * Downloads an HTML file of the system status that can be easily stored or emailed
+	 */
+	public function _download_system_status()
+	{
+		$status_info = EEM_System_Status::instance()->get_system_stati();
+		header( 'Content-Disposition: attachment' );
+		header( "Content-Disposition: attachment; filename=system_status_" . sanitize_key( site_url() ) . ".html" );
+		echo "<style>table{border:1px solid darkgrey;}td{vertical-align:top}</style>";
+		echo "<h1>System Information for " . site_url() . "</h1>";
+		echo EEH_Template::layout_array_as_table( $status_info );
+		die;
+	}
+
+
+
+	public function _send_migration_crash_report()
+	{
+		$from = $this->_req_data['from'];
+		$from_name = $this->_req_data['from_name'];
+		$body = $this->_req_data['body'];
+		try {
+			$success = wp_mail(EE_SUPPORT_EMAIL,
+				'Migration Crash Report',
+				$body . "/r/n<br>" . print_r(EEM_System_Status::instance()->get_system_stati(), true),
+				array(
+					"from:$from_name<$from>",
+					//					'content-type:text/html charset=UTF-8'
+				));
+		} catch (Exception $e) {
+			$success = false;
+		}
+		$this->_redirect_after_action($success, esc_html__("Migration Crash Report", "event_espresso"),
+			esc_html__("sent", "event_espresso"),
+			array('success' => $success, 'action' => 'confirm_migration_crash_report_sent'));
+	}
+
+
+
+	public function _confirm_migration_crash_report_sent()
+	{
+		try {
+			$most_recent_migration = EE_Data_Migration_Manager::instance()->get_last_ran_script(true);
+		} catch (EE_Error $e) {
+			EE_Data_Migration_Manager::instance()->add_error_to_migrations_ran($e->getMessage());
+			//now, just so we can display the page correctly, make a error migration script stage object
+			//and also put the error on it. It only persists for the duration of this request
+			$most_recent_migration = new EE_DMS_Unknown_1_0_0();
+			$most_recent_migration->add_error($e->getMessage());
+		}
+		$success = $this->_req_data['success'] == '1' ? true : false;
+		$this->_template_args['success'] = $success;
+		$this->_template_args['most_recent_migration'] = $most_recent_migration;
+		$this->_template_args['reset_db_action_url'] = EE_Admin_Page::add_query_args_and_nonce(array('action' => 'reset_db'),
+			EE_MAINTENANCE_ADMIN_URL);
+		$this->_template_args['reset_db_page_url'] = EE_Admin_Page::add_query_args_and_nonce(array('action' => 'data_reset'),
+			EE_MAINTENANCE_ADMIN_URL);
+		$this->_template_args['reattempt_action_url'] = EE_Admin_Page::add_query_args_and_nonce(array('action' => 'reattempt_migration'),
+			EE_MAINTENANCE_ADMIN_URL);
+		$this->_template_path = EE_MAINTENANCE_TEMPLATE_PATH . 'ee_confirm_migration_crash_report_sent.template.php';
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template($this->_template_path,
+			$this->_template_args, true);
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+
+	/**
+	 * Resets the entire EE4 database.
+	 * Currently basically only sets up ee4 database for a fresh install- doesn't
+	 * actually clean out the old wp options, or cpts (although does erase old ee table data)
+	 *
+	 * @param boolean $nuke_old_ee4_data controls whether or not we
+	 *                                   destroy the old ee4 data, or just try initializing ee4 default data
+	 */
+	public function _reset_db($nuke_old_ee4_data = true)
+	{
+		EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_0_not_in_maintenance);
+		if ($nuke_old_ee4_data) {
+			EEH_Activation::delete_all_espresso_cpt_data();
+			EEH_Activation::delete_all_espresso_tables_and_data(false);
+			EEH_Activation::remove_cron_tasks();
+		}
+		//make sure when we reset the registry's config that it
+		//switches to using the new singleton
+		EE_Registry::instance()->CFG = EE_Registry::instance()->CFG->reset(true);
+		EE_System::instance()->initialize_db_if_no_migrations_required(true);
+		EE_System::instance()->redirect_to_about_ee();
+	}
+
+
+
+	/**
+	 * Deletes ALL EE tables, Records, and Options from the database.
+	 */
+	public function _delete_db()
+	{
+		EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_0_not_in_maintenance);
+		EEH_Activation::delete_all_espresso_cpt_data();
+		EEH_Activation::delete_all_espresso_tables_and_data();
+		EEH_Activation::remove_cron_tasks();
+		EEH_Activation::deactivate_event_espresso();
+		wp_safe_redirect(admin_url('plugins.php'));
+		exit;
+	}
+
+
+
+	/**
+	 * sets up EE4 to rerun the migrations from ee3 to ee4
+	 */
+	public function _rerun_migration_from_ee3()
+	{
+		EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_0_not_in_maintenance);
+		EEH_Activation::delete_all_espresso_cpt_data();
+		EEH_Activation::delete_all_espresso_tables_and_data(false);
+		//set the db state to something that will require migrations
+		update_option(EE_Data_Migration_Manager::current_database_state, '3.1.36.0');
+		EE_Maintenance_Mode::instance()->set_maintenance_level(EE_Maintenance_Mode::level_2_complete_maintenance);
+		$this->_redirect_after_action(true, esc_html__("Database", 'event_espresso'), esc_html__("reset", 'event_espresso'));
+	}
+
+
+
+	//none of the below group are currently used for Gateway Settings
+	protected function _add_screen_options()
+	{
+	}
+
+
+
+	protected function _add_feature_pointers()
+	{
+	}
+
 
 
-    public function admin_init()
-    {
-    }
-
-
-
-    public function admin_notices()
-    {
-    }
-
+	public function admin_init()
+	{
+	}
+
+
+
+	public function admin_notices()
+	{
+	}
+
 
 
-    public function admin_footer_scripts()
-    {
-    }
+	public function admin_footer_scripts()
+	{
+	}
 
 
 
-    public function load_scripts_styles()
-    {
-        wp_enqueue_script('ee_admin_js');
+	public function load_scripts_styles()
+	{
+		wp_enqueue_script('ee_admin_js');
 //		wp_enqueue_media();
 //		wp_enqueue_script('media-upload');
-        wp_enqueue_script('ee-maintenance', EE_MAINTENANCE_ASSETS_URL . 'ee-maintenance.js', array('jquery'),
-            EVENT_ESPRESSO_VERSION, true);
-        wp_register_style('espresso_maintenance', EE_MAINTENANCE_ASSETS_URL . 'ee-maintenance.css', array(),
-            EVENT_ESPRESSO_VERSION);
-        wp_enqueue_style('espresso_maintenance');
-        //localize script stuff
-        wp_localize_script('ee-maintenance', 'ee_maintenance', array(
-            'migrating'                        => esc_html__("Updating Database...", "event_espresso"),
-            'next'                             => esc_html__("Next", "event_espresso"),
-            'fatal_error'                      => esc_html__("A Fatal Error Has Occurred", "event_espresso"),
-            'click_next_when_ready'            => esc_html__(
-                "The current Database Update has ended. Click 'next' when ready to proceed",
-                "event_espresso"
-            ),
-            'status_no_more_migration_scripts' => EE_Data_Migration_Manager::status_no_more_migration_scripts,
-            'status_fatal_error'               => EE_Data_Migration_Manager::status_fatal_error,
-            'status_completed'                 => EE_Data_Migration_Manager::status_completed,
-            'confirm'                          => esc_html__(
-                'Are you sure you want to do this? It CANNOT be undone!',
-                'event_espresso'
-            ),
-            'confirm_skip_migration' => esc_html__(
-                'You have chosen to NOT migrate your existing data. Are you sure you want to continue?',
-                'event_espresso'
-            )
-        ));
-    }
-
-
-
-    public function load_scripts_styles_default()
-    {
-        //styles
+		wp_enqueue_script('ee-maintenance', EE_MAINTENANCE_ASSETS_URL . 'ee-maintenance.js', array('jquery'),
+			EVENT_ESPRESSO_VERSION, true);
+		wp_register_style('espresso_maintenance', EE_MAINTENANCE_ASSETS_URL . 'ee-maintenance.css', array(),
+			EVENT_ESPRESSO_VERSION);
+		wp_enqueue_style('espresso_maintenance');
+		//localize script stuff
+		wp_localize_script('ee-maintenance', 'ee_maintenance', array(
+			'migrating'                        => esc_html__("Updating Database...", "event_espresso"),
+			'next'                             => esc_html__("Next", "event_espresso"),
+			'fatal_error'                      => esc_html__("A Fatal Error Has Occurred", "event_espresso"),
+			'click_next_when_ready'            => esc_html__(
+				"The current Database Update has ended. Click 'next' when ready to proceed",
+				"event_espresso"
+			),
+			'status_no_more_migration_scripts' => EE_Data_Migration_Manager::status_no_more_migration_scripts,
+			'status_fatal_error'               => EE_Data_Migration_Manager::status_fatal_error,
+			'status_completed'                 => EE_Data_Migration_Manager::status_completed,
+			'confirm'                          => esc_html__(
+				'Are you sure you want to do this? It CANNOT be undone!',
+				'event_espresso'
+			),
+			'confirm_skip_migration' => esc_html__(
+				'You have chosen to NOT migrate your existing data. Are you sure you want to continue?',
+				'event_espresso'
+			)
+		));
+	}
+
+
+
+	public function load_scripts_styles_default()
+	{
+		//styles
 //		wp_enqueue_style('ee-text-links');
 //		//scripts
 //		wp_enqueue_script('ee-text-links');
-    }
-
-
-    /**
-     * Enqueue scripts and styles for the datetime tools page.
-     */
-    public function load_scripts_styles_datetime_tools()
-    {
-        EE_Datepicker_Input::enqueue_styles_and_scripts();
-    }
-
-
-    protected function _datetime_tools()
-    {
-        $form_action = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'run_datetime_offset_fix',
-                'return_action' => $this->_req_action
-            ),
-            EE_MAINTENANCE_ADMIN_URL
-        );
-        $form = $this->_get_datetime_offset_fix_form();
-        $this->_admin_page_title = esc_html__('Datetime Utilities', 'event_espresso');
-        $this->_template_args['admin_page_content'] = $form->form_open($form_action, 'post')
-                                                      . $form->get_html_and_js()
-                                                      . $form->form_close();
-        $this->display_admin_page_with_no_sidebar();
-    }
-
-
-
-    protected function _get_datetime_offset_fix_form()
-    {
-        if (! $this->datetime_fix_offset_form instanceof EE_Form_Section_Proper) {
-            $this->datetime_fix_offset_form =  new EE_Form_Section_Proper(
-                array(
-                    'name' => 'datetime_offset_fix_option',
-                    'layout_strategy' => new EE_Admin_Two_Column_Layout(),
-                    'subsections' => array(
-                        'title' => new EE_Form_Section_HTML(
-                            EEH_HTML::h2(
-                                esc_html__('Datetime Offset Tool', 'event_espresso')
-                            )
-                        ),
-                        'explanation' => new EE_Form_Section_HTML(
-                            EEH_HTML::p(
-                                esc_html__(
-                                    'Use this tool to automatically apply the provided offset to all Event Espresso records in your database that involve dates and times.',
-                                    'event_espresso'
-                                )
-                            )
-                            . EEH_HTML::p(
-                                esc_html__(
-                                    'Note: If you enter 1.25, that will result in the offset of 1 hour 15 minutes being applied.  Decimals represent the fraction of hours, not minutes.',
-                                    'event_espresso'
-                                )
-                            )
-                        ),
-                        'offset_input' => new EE_Float_Input(
-                            array(
-                                'html_name' => 'offset_for_datetimes',
-                                'html_label_text' => esc_html__(
-                                    'Offset to apply (in hours):',
-                                    'event_espresso'
-                                ),
-                                'min_value' => '-12',
-                                'max_value' => '14',
-                                'step_value' => '.25',
-                                'default' => DatetimeOffsetFix::getOffset()
-                            )
-                        ),
-                        'date_range_explanation' => new EE_Form_Section_HTML(
-                            EEH_HTML::p(
-                                esc_html__(
-                                    'Leave the following fields blank if you want the offset to be applied to all dates. If however, you want to just apply the offset to a specific range of dates you can restrict the offset application using these fields.',
-                                    'event_espresso'
-                                )
-                            )
-                            . EEH_HTML::p(
-                                EEH_HTML::strong(
-                                    sprintf(
-                                        esc_html__(
-                                            'Note: please enter the dates in UTC (You can use %1$sthis online tool%2$s to assist with conversions).',
-                                            'event_espresso'
-                                        ),
-                                        '<a href="https://www.timeanddate.com/worldclock/converter.html">',
-                                        '</a>'
-                                    )
-                                )
-                            )
-                        ),
-                        'date_range_start_date' => new EE_Datepicker_Input(
-                            array(
-                                'html_name' => 'offset_date_start_range',
-                                'html_label_text' => esc_html__(
-                                    'Start Date for dates the offset applied to:',
-                                    'event_espresso'
-                                )
-                            )
-                        ),
-                        'date_range_end_date' => new EE_Datepicker_Input(
-                            array(
-                                'html_name' => 'offset_date_end_range',
-                                'html_label_text' => esc_html(
-                                    'End Date for dates the offset is applied to:',
-                                    'event_espresso'
-                                )
-                            )
-                        ),
-                        'submit' => new EE_Submit_Input(
-                            array(
-                                'html_label_text' => '',
-                                'default' => esc_html__('Apply Offset', 'event_espresso')
-                            )
-                        ),
-                    )
-                )
-            );
-        }
-        return $this->datetime_fix_offset_form;
-    }
-
-
-    /**
-     * Callback for the run_datetime_offset_fix route.
-     * @throws EE_Error
-     */
-    protected function _apply_datetime_offset()
-    {
-        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
-            $form = $this->_get_datetime_offset_fix_form();
-            $form->receive_form_submission($this->_req_data);
-            if ($form->is_valid()) {
-                //save offset data so batch processor can get it.
-                DatetimeOffsetFix::updateOffset($form->get_input_value('offset_input'));
-                $utc_timezone = new DateTimeZone('UTC');
-                $date_range_start_date = DateTime::createFromFormat(
-                    'm/d/Y H:i:s',
-                    $form->get_input_value('date_range_start_date') . ' 00:00:00',
-                    $utc_timezone
-                );
-                $date_range_end_date = DateTime::createFromFormat(
-                        'm/d/Y H:i:s',
-                        $form->get_input_value('date_range_end_date') . ' 23:59:59',
-                        $utc_timezone
-                );
-                if ($date_range_start_date instanceof DateTime) {
-                    DatetimeOffsetFix::updateStartDateRange(DbSafeDateTime::createFromDateTime($date_range_start_date));
-                }
-                if ($date_range_end_date instanceof DateTime) {
-                    DatetimeOffsetFix::updateEndDateRange(DbSafeDateTime::createFromDateTime($date_range_end_date));
-                }
-                //redirect to batch tool
-                wp_redirect(
-                    EE_Admin_Page::add_query_args_and_nonce(
-                        array(
-                            'page' => 'espresso_batch',
-                            'batch' => 'job',
-                            'label' => esc_html__('Applying Offset', 'event_espresso'),
-                            'job_handler' => urlencode('EventEspressoBatchRequest\JobHandlers\DatetimeOffsetFix'),
-                            'return_url' => urlencode(
-                                add_query_arg(
-                                    array(
-                                        'action' => 'datetime_tools',
-                                    ),
-                                    EEH_URL::current_url_without_query_paramaters(
-                                        array(
-                                            'return_action',
-                                            'run_datetime_offset_fix_nonce',
-                                            'return',
-                                            'datetime_tools_nonce'
-                                        )
-                                    )
-                                )
-                            )
-                        ),
-                        admin_url()
-                    )
-                );
-                exit;
-            }
-        }
-    }
+	}
+
+
+	/**
+	 * Enqueue scripts and styles for the datetime tools page.
+	 */
+	public function load_scripts_styles_datetime_tools()
+	{
+		EE_Datepicker_Input::enqueue_styles_and_scripts();
+	}
+
+
+	protected function _datetime_tools()
+	{
+		$form_action = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'run_datetime_offset_fix',
+				'return_action' => $this->_req_action
+			),
+			EE_MAINTENANCE_ADMIN_URL
+		);
+		$form = $this->_get_datetime_offset_fix_form();
+		$this->_admin_page_title = esc_html__('Datetime Utilities', 'event_espresso');
+		$this->_template_args['admin_page_content'] = $form->form_open($form_action, 'post')
+													  . $form->get_html_and_js()
+													  . $form->form_close();
+		$this->display_admin_page_with_no_sidebar();
+	}
+
+
+
+	protected function _get_datetime_offset_fix_form()
+	{
+		if (! $this->datetime_fix_offset_form instanceof EE_Form_Section_Proper) {
+			$this->datetime_fix_offset_form =  new EE_Form_Section_Proper(
+				array(
+					'name' => 'datetime_offset_fix_option',
+					'layout_strategy' => new EE_Admin_Two_Column_Layout(),
+					'subsections' => array(
+						'title' => new EE_Form_Section_HTML(
+							EEH_HTML::h2(
+								esc_html__('Datetime Offset Tool', 'event_espresso')
+							)
+						),
+						'explanation' => new EE_Form_Section_HTML(
+							EEH_HTML::p(
+								esc_html__(
+									'Use this tool to automatically apply the provided offset to all Event Espresso records in your database that involve dates and times.',
+									'event_espresso'
+								)
+							)
+							. EEH_HTML::p(
+								esc_html__(
+									'Note: If you enter 1.25, that will result in the offset of 1 hour 15 minutes being applied.  Decimals represent the fraction of hours, not minutes.',
+									'event_espresso'
+								)
+							)
+						),
+						'offset_input' => new EE_Float_Input(
+							array(
+								'html_name' => 'offset_for_datetimes',
+								'html_label_text' => esc_html__(
+									'Offset to apply (in hours):',
+									'event_espresso'
+								),
+								'min_value' => '-12',
+								'max_value' => '14',
+								'step_value' => '.25',
+								'default' => DatetimeOffsetFix::getOffset()
+							)
+						),
+						'date_range_explanation' => new EE_Form_Section_HTML(
+							EEH_HTML::p(
+								esc_html__(
+									'Leave the following fields blank if you want the offset to be applied to all dates. If however, you want to just apply the offset to a specific range of dates you can restrict the offset application using these fields.',
+									'event_espresso'
+								)
+							)
+							. EEH_HTML::p(
+								EEH_HTML::strong(
+									sprintf(
+										esc_html__(
+											'Note: please enter the dates in UTC (You can use %1$sthis online tool%2$s to assist with conversions).',
+											'event_espresso'
+										),
+										'<a href="https://www.timeanddate.com/worldclock/converter.html">',
+										'</a>'
+									)
+								)
+							)
+						),
+						'date_range_start_date' => new EE_Datepicker_Input(
+							array(
+								'html_name' => 'offset_date_start_range',
+								'html_label_text' => esc_html__(
+									'Start Date for dates the offset applied to:',
+									'event_espresso'
+								)
+							)
+						),
+						'date_range_end_date' => new EE_Datepicker_Input(
+							array(
+								'html_name' => 'offset_date_end_range',
+								'html_label_text' => esc_html(
+									'End Date for dates the offset is applied to:',
+									'event_espresso'
+								)
+							)
+						),
+						'submit' => new EE_Submit_Input(
+							array(
+								'html_label_text' => '',
+								'default' => esc_html__('Apply Offset', 'event_espresso')
+							)
+						),
+					)
+				)
+			);
+		}
+		return $this->datetime_fix_offset_form;
+	}
+
+
+	/**
+	 * Callback for the run_datetime_offset_fix route.
+	 * @throws EE_Error
+	 */
+	protected function _apply_datetime_offset()
+	{
+		if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+			$form = $this->_get_datetime_offset_fix_form();
+			$form->receive_form_submission($this->_req_data);
+			if ($form->is_valid()) {
+				//save offset data so batch processor can get it.
+				DatetimeOffsetFix::updateOffset($form->get_input_value('offset_input'));
+				$utc_timezone = new DateTimeZone('UTC');
+				$date_range_start_date = DateTime::createFromFormat(
+					'm/d/Y H:i:s',
+					$form->get_input_value('date_range_start_date') . ' 00:00:00',
+					$utc_timezone
+				);
+				$date_range_end_date = DateTime::createFromFormat(
+						'm/d/Y H:i:s',
+						$form->get_input_value('date_range_end_date') . ' 23:59:59',
+						$utc_timezone
+				);
+				if ($date_range_start_date instanceof DateTime) {
+					DatetimeOffsetFix::updateStartDateRange(DbSafeDateTime::createFromDateTime($date_range_start_date));
+				}
+				if ($date_range_end_date instanceof DateTime) {
+					DatetimeOffsetFix::updateEndDateRange(DbSafeDateTime::createFromDateTime($date_range_end_date));
+				}
+				//redirect to batch tool
+				wp_redirect(
+					EE_Admin_Page::add_query_args_and_nonce(
+						array(
+							'page' => 'espresso_batch',
+							'batch' => 'job',
+							'label' => esc_html__('Applying Offset', 'event_espresso'),
+							'job_handler' => urlencode('EventEspressoBatchRequest\JobHandlers\DatetimeOffsetFix'),
+							'return_url' => urlencode(
+								add_query_arg(
+									array(
+										'action' => 'datetime_tools',
+									),
+									EEH_URL::current_url_without_query_paramaters(
+										array(
+											'return_action',
+											'run_datetime_offset_fix_nonce',
+											'return',
+											'datetime_tools_nonce'
+										)
+									)
+								)
+							)
+						),
+						admin_url()
+					)
+				);
+				exit;
+			}
+		}
+	}
 } //end Maintenance_Admin_Page class

core/admin/EE_Admin.core.php

Indentation +896 added lines, -896 removed lines

@@ -22,454 +22,454 @@ 
 final class EE_Admin implements InterminableInterface
 {
 
-    /**
-     * @var EE_Admin $_instance
-     */
-    private static $_instance;
-
-    /**
-     * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
-     */
-    private $persistent_admin_notice_manager;
-
-    /**
-     * @singleton method used to instantiate class object
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function instance()
-    {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Admin) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function reset()
-    {
-        self::$_instance = null;
-        return self::instance();
-    }
-
-
-    /**
-     * class constructor
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function __construct()
-    {
-        // define global EE_Admin constants
-        $this->_define_all_constants();
-        // set autoloaders for our admin page classes based on included path information
-        EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_ADMIN);
-        // admin hooks
-        add_filter('plugin_action_links', array($this, 'filter_plugin_actions'), 10, 2);
-        // load EE_Request_Handler early
-        add_action('AHEE__EE_System__core_loaded_and_ready', array($this, 'get_request'));
-        add_action('AHEE__EE_System__initialize_last', array($this, 'init'));
-        add_action('AHEE__EE_Admin_Page__route_admin_request', array($this, 'route_admin_request'), 100, 2);
-        add_action('wp_loaded', array($this, 'wp_loaded'), 100);
-        add_action('admin_init', array($this, 'admin_init'), 100);
-        add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'), 20);
-        add_action('admin_notices', array($this, 'display_admin_notices'), 10);
-        add_action('network_admin_notices', array($this, 'display_admin_notices'), 10);
-        add_filter('pre_update_option', array($this, 'check_for_invalid_datetime_formats'), 100, 2);
-        add_filter('admin_footer_text', array($this, 'espresso_admin_footer'));
-        //reset Environment config (we only do this on admin page loads);
-        EE_Registry::instance()->CFG->environment->recheck_values();
-        do_action('AHEE__EE_Admin__loaded');
-    }
-
-
-
-    /**
-     * _define_all_constants
-     * define constants that are set globally for all admin pages
-     *
-     * @return void
-     */
-    private function _define_all_constants()
-    {
-        if (! defined('EE_ADMIN_URL')) {
-            define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL . 'core/admin/');
-            define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL . 'admin_pages/');
-            define('EE_ADMIN_TEMPLATE', EE_ADMIN . 'templates' . DS);
-            define('WP_ADMIN_PATH', ABSPATH . 'wp-admin/');
-            define('WP_AJAX_URL', admin_url('admin-ajax.php'));
-        }
-    }
-
-
-    /**
-     * filter_plugin_actions - adds links to the Plugins page listing
-     *
-     * @param    array  $links
-     * @param    string $plugin
-     * @return    array
-     */
-    public function filter_plugin_actions($links, $plugin)
-    {
-        // set $main_file in stone
-        static $main_file;
-        // if $main_file is not set yet
-        if (! $main_file) {
-            $main_file = plugin_basename(EVENT_ESPRESSO_MAIN_FILE);
-        }
-        if ($plugin === $main_file) {
-            // compare current plugin to this one
-            if (EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance) {
-                $maintenance_link = '<a href="admin.php?page=espresso_maintenance_settings"'
-                                    . ' title="Event Espresso is in maintenance mode.  Click this link to learn why.">'
-                                    . esc_html__('Maintenance Mode Active', 'event_espresso')
-                                    . '</a>';
-                array_unshift($links, $maintenance_link);
-            } else {
-                $org_settings_link = '<a href="admin.php?page=espresso_general_settings">'
-                                     . esc_html__('Settings', 'event_espresso')
-                                     . '</a>';
-                $events_link       = '<a href="admin.php?page=espresso_events">'
-                                     . esc_html__('Events', 'event_espresso')
-                                     . '</a>';
-                // add before other links
-                array_unshift($links, $org_settings_link, $events_link);
-            }
-        }
-        return $links;
-    }
-
-
-    /**
-     * _get_request
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function get_request()
-    {
-        EE_Registry::instance()->load_core('Request_Handler');
-        EE_Registry::instance()->load_core('CPT_Strategy');
-    }
-
-
-
-    /**
-     * hide_admin_pages_except_maintenance_mode
-     *
-     * @param array $admin_page_folder_names
-     * @return array
-     */
-    public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = array())
-    {
-        return array(
-            'maintenance' => EE_ADMIN_PAGES . 'maintenance' . DS,
-            'about'       => EE_ADMIN_PAGES . 'about' . DS,
-            'support'     => EE_ADMIN_PAGES . 'support' . DS,
-        );
-    }
-
-
-
-    /**
-     * init- should fire after shortcode, module,  addon, other plugin (default priority), and even
-     * EE_Front_Controller's init phases have run
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws ServiceNotFoundException
-     */
-    public function init()
-    {
-        //only enable most of the EE_Admin IF we're not in full maintenance mode
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            //ok so we want to enable the entire admin
-            $this->persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
-                'EventEspresso\core\services\notifications\PersistentAdminNoticeManager',
-                array(
-                    EE_Admin_Page::add_query_args_and_nonce(
-                        array(
-                            'page'   => EE_Registry::instance()->REQ->get('page', ''),
-                            'action' => EE_Registry::instance()->REQ->get('action', ''),
-                        ),
-                        EE_ADMIN_URL
-                    ),
-                )
-            );
-            $this->maybeSetDatetimeWarningNotice();
-            //at a glance dashboard widget
-            add_filter('dashboard_glance_items', array($this, 'dashboard_glance_items'), 10);
-            //filter for get_edit_post_link used on comments for custom post types
-            add_filter('get_edit_post_link', array($this, 'modify_edit_post_link'), 10, 2);
-        }
-        // run the admin page factory but ONLY if we are doing an ee admin ajax request
-        if (! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
-            try {
-                //this loads the controller for the admin pages which will setup routing etc
-                EE_Registry::instance()->load_core('Admin_Page_Loader');
-            } catch (EE_Error $e) {
-                $e->get_error();
-            }
-        }
-        add_filter('content_save_pre', array($this, 'its_eSpresso'), 10, 1);
-        //make sure our CPTs and custom taxonomy metaboxes get shown for first time users
-        add_action('admin_head', array($this, 'enable_hidden_ee_nav_menu_metaboxes'), 10);
-        add_action('admin_head', array($this, 'register_custom_nav_menu_boxes'), 10);
-        //exclude EE critical pages from all nav menus and wp_list_pages
-        add_filter('nav_menu_meta_box_object', array($this, 'remove_pages_from_nav_menu'), 10);
-    }
-
-
-    /**
-     *    get_persistent_admin_notices
-     *
-     * @access    public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function maybeSetDatetimeWarningNotice()
-    {
-        //add dismissable notice for datetime changes.  Only valid if site does not have a timezone_string set.
-        //@todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
-        //with this.  But after enough time (indeterminate at this point) we can just remove this notice.
-        //this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
-        if (! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
-            new PersistentAdminNotice(
-                'datetime_fix_notice',
-                sprintf(
-                    esc_html__(
-                        '%1$sImportant announcement related to your install of Event Espresso%2$s: There are some changes made to your site that could affect how dates display for your events and other related items with dates and times.  Read more about it %3$shere%4$s. If your dates and times are displaying incorrectly (incorrect offset), you can fix it using the tool on %5$sthis page%4$s.',
-                        'event_espresso'
-                    ),
-                    '<strong>',
-                    '</strong>',
-                    '<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
-                    '</a>',
-                    '<a href="' . EE_Admin_Page::add_query_args_and_nonce(
-                        array(
-                            'page' => 'espresso_maintenance_settings',
-                            'action' => 'datetime_tools'
-                        ),
-                        admin_url('admin.php')
-                    ) . '">'
-                ),
-                false,
-                'manage_options',
-                'datetime_fix_persistent_notice'
-            );
-        }
-    }
-
-
-
-    /**
-     * this simply hooks into the nav menu setup of pages metabox and makes sure that we remove EE critical pages from
-     * the list of options. the wp function "wp_nav_menu_item_post_type_meta_box" found in
-     * wp-admin/includes/nav-menu.php looks for the "_default_query" property on the post_type object and it uses that
-     * to override any queries found in the existing query for the given post type.  Note that _default_query is not a
-     * normal property on the post_type object.  It's found ONLY in this particular context.
-     *
-     * @param WP_Post $post_type WP post type object
-     * @return WP_Post
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function remove_pages_from_nav_menu($post_type)
-    {
-        //if this isn't the "pages" post type let's get out
-        if ($post_type->name !== 'page') {
-            return $post_type;
-        }
-        $critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
-        $post_type->_default_query = array(
-            'post__not_in' => $critical_pages,
-        );
-        return $post_type;
-    }
-
-
-
-    /**
-     * WP by default only shows three metaboxes in "nav-menus.php" for first times users.  We want to make sure our
-     * metaboxes get shown as well
-     *
-     * @return void
-     */
-    public function enable_hidden_ee_nav_menu_metaboxes()
-    {
-        global $wp_meta_boxes, $pagenow;
-        if (! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
-            return;
-        }
-        $user = wp_get_current_user();
-        //has this been done yet?
-        if (get_user_option('ee_nav_menu_initialized', $user->ID)) {
-            return;
-        }
-
-        $hidden_meta_boxes  = get_user_option('metaboxhidden_nav-menus', $user->ID);
-        $initial_meta_boxes = apply_filters(
-            'FHEE__EE_Admin__enable_hidden_ee_nav_menu_boxes__initial_meta_boxes',
-            array(
-                'nav-menu-theme-locations',
-                'add-page',
-                'add-custom-links',
-                'add-category',
-                'add-espresso_events',
-                'add-espresso_venues',
-                'add-espresso_event_categories',
-                'add-espresso_venue_categories',
-                'add-post-type-post',
-                'add-post-type-page',
-            )
-        );
-
-        if (is_array($hidden_meta_boxes)) {
-            foreach ($hidden_meta_boxes as $key => $meta_box_id) {
-                if (in_array($meta_box_id, $initial_meta_boxes, true)) {
-                    unset($hidden_meta_boxes[$key]);
-                }
-            }
-        }
-        update_user_option($user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true);
-        update_user_option($user->ID, 'ee_nav_menu_initialized', 1, true);
-    }
-
-
-
-    /**
-     * This method simply registers custom nav menu boxes for "nav_menus.php route"
-     * Currently EE is using this to make sure there are menu options for our CPT archive page routes.
-     *
-     * @todo   modify this so its more dynamic and automatic for all ee CPTs and setups and can also be hooked into by
-     *         addons etc.
-     * @return void
-     */
-    public function register_custom_nav_menu_boxes()
-    {
-        add_meta_box(
-            'add-extra-nav-menu-pages',
-            esc_html__('Event Espresso Pages', 'event_espresso'),
-            array($this, 'ee_cpt_archive_pages'),
-            'nav-menus',
-            'side',
-            'core'
-        );
-    }
-
-
-
-    /**
-     * Use this to edit the post link for our cpts so that the edit link points to the correct page.
-     *
-     * @since   4.3.0
-     * @param string $link the original link generated by wp
-     * @param int    $id   post id
-     * @return string  the (maybe) modified link
-     */
-    public function modify_edit_post_link($link, $id)
-    {
-        if (! $post = get_post($id)) {
-            return $link;
-        }
-        if ($post->post_type === 'espresso_attendees') {
-            $query_args = array(
-                'action' => 'edit_attendee',
-                'post'   => $id,
-            );
-            return EEH_URL::add_query_args_and_nonce(
-                $query_args,
-                admin_url('admin.php?page=espresso_registrations')
-            );
-        }
-        return $link;
-    }
-
-
-
-    public function ee_cpt_archive_pages()
-    {
-        global $nav_menu_selected_id;
-        $db_fields   = false;
-        $walker      = new Walker_Nav_Menu_Checklist($db_fields);
-        $current_tab = 'event-archives';
-        $removed_args = array(
-            'action',
-            'customlink-tab',
-            'edit-menu-item',
-            'menu-item',
-            'page-tab',
-            '_wpnonce',
-        );
-        ?>
+	/**
+	 * @var EE_Admin $_instance
+	 */
+	private static $_instance;
+
+	/**
+	 * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
+	 */
+	private $persistent_admin_notice_manager;
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function instance()
+	{
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EE_Admin) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function reset()
+	{
+		self::$_instance = null;
+		return self::instance();
+	}
+
+
+	/**
+	 * class constructor
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function __construct()
+	{
+		// define global EE_Admin constants
+		$this->_define_all_constants();
+		// set autoloaders for our admin page classes based on included path information
+		EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_ADMIN);
+		// admin hooks
+		add_filter('plugin_action_links', array($this, 'filter_plugin_actions'), 10, 2);
+		// load EE_Request_Handler early
+		add_action('AHEE__EE_System__core_loaded_and_ready', array($this, 'get_request'));
+		add_action('AHEE__EE_System__initialize_last', array($this, 'init'));
+		add_action('AHEE__EE_Admin_Page__route_admin_request', array($this, 'route_admin_request'), 100, 2);
+		add_action('wp_loaded', array($this, 'wp_loaded'), 100);
+		add_action('admin_init', array($this, 'admin_init'), 100);
+		add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'), 20);
+		add_action('admin_notices', array($this, 'display_admin_notices'), 10);
+		add_action('network_admin_notices', array($this, 'display_admin_notices'), 10);
+		add_filter('pre_update_option', array($this, 'check_for_invalid_datetime_formats'), 100, 2);
+		add_filter('admin_footer_text', array($this, 'espresso_admin_footer'));
+		//reset Environment config (we only do this on admin page loads);
+		EE_Registry::instance()->CFG->environment->recheck_values();
+		do_action('AHEE__EE_Admin__loaded');
+	}
+
+
+
+	/**
+	 * _define_all_constants
+	 * define constants that are set globally for all admin pages
+	 *
+	 * @return void
+	 */
+	private function _define_all_constants()
+	{
+		if (! defined('EE_ADMIN_URL')) {
+			define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL . 'core/admin/');
+			define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL . 'admin_pages/');
+			define('EE_ADMIN_TEMPLATE', EE_ADMIN . 'templates' . DS);
+			define('WP_ADMIN_PATH', ABSPATH . 'wp-admin/');
+			define('WP_AJAX_URL', admin_url('admin-ajax.php'));
+		}
+	}
+
+
+	/**
+	 * filter_plugin_actions - adds links to the Plugins page listing
+	 *
+	 * @param    array  $links
+	 * @param    string $plugin
+	 * @return    array
+	 */
+	public function filter_plugin_actions($links, $plugin)
+	{
+		// set $main_file in stone
+		static $main_file;
+		// if $main_file is not set yet
+		if (! $main_file) {
+			$main_file = plugin_basename(EVENT_ESPRESSO_MAIN_FILE);
+		}
+		if ($plugin === $main_file) {
+			// compare current plugin to this one
+			if (EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance) {
+				$maintenance_link = '<a href="admin.php?page=espresso_maintenance_settings"'
+									. ' title="Event Espresso is in maintenance mode.  Click this link to learn why.">'
+									. esc_html__('Maintenance Mode Active', 'event_espresso')
+									. '</a>';
+				array_unshift($links, $maintenance_link);
+			} else {
+				$org_settings_link = '<a href="admin.php?page=espresso_general_settings">'
+									 . esc_html__('Settings', 'event_espresso')
+									 . '</a>';
+				$events_link       = '<a href="admin.php?page=espresso_events">'
+									 . esc_html__('Events', 'event_espresso')
+									 . '</a>';
+				// add before other links
+				array_unshift($links, $org_settings_link, $events_link);
+			}
+		}
+		return $links;
+	}
+
+
+	/**
+	 * _get_request
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function get_request()
+	{
+		EE_Registry::instance()->load_core('Request_Handler');
+		EE_Registry::instance()->load_core('CPT_Strategy');
+	}
+
+
+
+	/**
+	 * hide_admin_pages_except_maintenance_mode
+	 *
+	 * @param array $admin_page_folder_names
+	 * @return array
+	 */
+	public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = array())
+	{
+		return array(
+			'maintenance' => EE_ADMIN_PAGES . 'maintenance' . DS,
+			'about'       => EE_ADMIN_PAGES . 'about' . DS,
+			'support'     => EE_ADMIN_PAGES . 'support' . DS,
+		);
+	}
+
+
+
+	/**
+	 * init- should fire after shortcode, module,  addon, other plugin (default priority), and even
+	 * EE_Front_Controller's init phases have run
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws ServiceNotFoundException
+	 */
+	public function init()
+	{
+		//only enable most of the EE_Admin IF we're not in full maintenance mode
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			//ok so we want to enable the entire admin
+			$this->persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
+				'EventEspresso\core\services\notifications\PersistentAdminNoticeManager',
+				array(
+					EE_Admin_Page::add_query_args_and_nonce(
+						array(
+							'page'   => EE_Registry::instance()->REQ->get('page', ''),
+							'action' => EE_Registry::instance()->REQ->get('action', ''),
+						),
+						EE_ADMIN_URL
+					),
+				)
+			);
+			$this->maybeSetDatetimeWarningNotice();
+			//at a glance dashboard widget
+			add_filter('dashboard_glance_items', array($this, 'dashboard_glance_items'), 10);
+			//filter for get_edit_post_link used on comments for custom post types
+			add_filter('get_edit_post_link', array($this, 'modify_edit_post_link'), 10, 2);
+		}
+		// run the admin page factory but ONLY if we are doing an ee admin ajax request
+		if (! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
+			try {
+				//this loads the controller for the admin pages which will setup routing etc
+				EE_Registry::instance()->load_core('Admin_Page_Loader');
+			} catch (EE_Error $e) {
+				$e->get_error();
+			}
+		}
+		add_filter('content_save_pre', array($this, 'its_eSpresso'), 10, 1);
+		//make sure our CPTs and custom taxonomy metaboxes get shown for first time users
+		add_action('admin_head', array($this, 'enable_hidden_ee_nav_menu_metaboxes'), 10);
+		add_action('admin_head', array($this, 'register_custom_nav_menu_boxes'), 10);
+		//exclude EE critical pages from all nav menus and wp_list_pages
+		add_filter('nav_menu_meta_box_object', array($this, 'remove_pages_from_nav_menu'), 10);
+	}
+
+
+	/**
+	 *    get_persistent_admin_notices
+	 *
+	 * @access    public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function maybeSetDatetimeWarningNotice()
+	{
+		//add dismissable notice for datetime changes.  Only valid if site does not have a timezone_string set.
+		//@todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
+		//with this.  But after enough time (indeterminate at this point) we can just remove this notice.
+		//this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
+		if (! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
+			new PersistentAdminNotice(
+				'datetime_fix_notice',
+				sprintf(
+					esc_html__(
+						'%1$sImportant announcement related to your install of Event Espresso%2$s: There are some changes made to your site that could affect how dates display for your events and other related items with dates and times.  Read more about it %3$shere%4$s. If your dates and times are displaying incorrectly (incorrect offset), you can fix it using the tool on %5$sthis page%4$s.',
+						'event_espresso'
+					),
+					'<strong>',
+					'</strong>',
+					'<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
+					'</a>',
+					'<a href="' . EE_Admin_Page::add_query_args_and_nonce(
+						array(
+							'page' => 'espresso_maintenance_settings',
+							'action' => 'datetime_tools'
+						),
+						admin_url('admin.php')
+					) . '">'
+				),
+				false,
+				'manage_options',
+				'datetime_fix_persistent_notice'
+			);
+		}
+	}
+
+
+
+	/**
+	 * this simply hooks into the nav menu setup of pages metabox and makes sure that we remove EE critical pages from
+	 * the list of options. the wp function "wp_nav_menu_item_post_type_meta_box" found in
+	 * wp-admin/includes/nav-menu.php looks for the "_default_query" property on the post_type object and it uses that
+	 * to override any queries found in the existing query for the given post type.  Note that _default_query is not a
+	 * normal property on the post_type object.  It's found ONLY in this particular context.
+	 *
+	 * @param WP_Post $post_type WP post type object
+	 * @return WP_Post
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function remove_pages_from_nav_menu($post_type)
+	{
+		//if this isn't the "pages" post type let's get out
+		if ($post_type->name !== 'page') {
+			return $post_type;
+		}
+		$critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
+		$post_type->_default_query = array(
+			'post__not_in' => $critical_pages,
+		);
+		return $post_type;
+	}
+
+
+
+	/**
+	 * WP by default only shows three metaboxes in "nav-menus.php" for first times users.  We want to make sure our
+	 * metaboxes get shown as well
+	 *
+	 * @return void
+	 */
+	public function enable_hidden_ee_nav_menu_metaboxes()
+	{
+		global $wp_meta_boxes, $pagenow;
+		if (! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
+			return;
+		}
+		$user = wp_get_current_user();
+		//has this been done yet?
+		if (get_user_option('ee_nav_menu_initialized', $user->ID)) {
+			return;
+		}
+
+		$hidden_meta_boxes  = get_user_option('metaboxhidden_nav-menus', $user->ID);
+		$initial_meta_boxes = apply_filters(
+			'FHEE__EE_Admin__enable_hidden_ee_nav_menu_boxes__initial_meta_boxes',
+			array(
+				'nav-menu-theme-locations',
+				'add-page',
+				'add-custom-links',
+				'add-category',
+				'add-espresso_events',
+				'add-espresso_venues',
+				'add-espresso_event_categories',
+				'add-espresso_venue_categories',
+				'add-post-type-post',
+				'add-post-type-page',
+			)
+		);
+
+		if (is_array($hidden_meta_boxes)) {
+			foreach ($hidden_meta_boxes as $key => $meta_box_id) {
+				if (in_array($meta_box_id, $initial_meta_boxes, true)) {
+					unset($hidden_meta_boxes[$key]);
+				}
+			}
+		}
+		update_user_option($user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true);
+		update_user_option($user->ID, 'ee_nav_menu_initialized', 1, true);
+	}
+
+
+
+	/**
+	 * This method simply registers custom nav menu boxes for "nav_menus.php route"
+	 * Currently EE is using this to make sure there are menu options for our CPT archive page routes.
+	 *
+	 * @todo   modify this so its more dynamic and automatic for all ee CPTs and setups and can also be hooked into by
+	 *         addons etc.
+	 * @return void
+	 */
+	public function register_custom_nav_menu_boxes()
+	{
+		add_meta_box(
+			'add-extra-nav-menu-pages',
+			esc_html__('Event Espresso Pages', 'event_espresso'),
+			array($this, 'ee_cpt_archive_pages'),
+			'nav-menus',
+			'side',
+			'core'
+		);
+	}
+
+
+
+	/**
+	 * Use this to edit the post link for our cpts so that the edit link points to the correct page.
+	 *
+	 * @since   4.3.0
+	 * @param string $link the original link generated by wp
+	 * @param int    $id   post id
+	 * @return string  the (maybe) modified link
+	 */
+	public function modify_edit_post_link($link, $id)
+	{
+		if (! $post = get_post($id)) {
+			return $link;
+		}
+		if ($post->post_type === 'espresso_attendees') {
+			$query_args = array(
+				'action' => 'edit_attendee',
+				'post'   => $id,
+			);
+			return EEH_URL::add_query_args_and_nonce(
+				$query_args,
+				admin_url('admin.php?page=espresso_registrations')
+			);
+		}
+		return $link;
+	}
+
+
+
+	public function ee_cpt_archive_pages()
+	{
+		global $nav_menu_selected_id;
+		$db_fields   = false;
+		$walker      = new Walker_Nav_Menu_Checklist($db_fields);
+		$current_tab = 'event-archives';
+		$removed_args = array(
+			'action',
+			'customlink-tab',
+			'edit-menu-item',
+			'menu-item',
+			'page-tab',
+			'_wpnonce',
+		);
+		?>
         <div id="posttype-extra-nav-menu-pages" class="posttypediv">
             <ul id="posttype-extra-nav-menu-pages-tabs" class="posttype-tabs add-menu-item-tabs">
                 <li <?php echo('event-archives' === $current_tab ? ' class="tabs"' : ''); ?>>
                     <a class="nav-tab-link" data-type="tabs-panel-posttype-extra-nav-menu-pages-event-archives"
                        href="<?php if ($nav_menu_selected_id) {
-                            echo esc_url(
-                                add_query_arg(
-                                    'extra-nav-menu-pages-tab',
-                                    'event-archives',
-                                    remove_query_arg($removed_args)
-                                )
-                            );
-                       } ?>#tabs-panel-posttype-extra-nav-menu-pages-event-archives">
+							echo esc_url(
+								add_query_arg(
+									'extra-nav-menu-pages-tab',
+									'event-archives',
+									remove_query_arg($removed_args)
+								)
+							);
+					   } ?>#tabs-panel-posttype-extra-nav-menu-pages-event-archives">
                         <?php _e('Event Archive Pages', 'event_espresso'); ?>
                     </a>
                 </li>
             </ul><!-- .posttype-tabs -->
 
             <div id="tabs-panel-posttype-extra-nav-menu-pages-event-archives" class="tabs-panel <?php
-                echo('event-archives' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive');
-                ?>">
+				echo('event-archives' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive');
+				?>">
                     <ul id="extra-nav-menu-pageschecklist-event-archives" class="categorychecklist form-no-clear">
                         <?php
-                        $pages          = $this->_get_extra_nav_menu_pages_items();
-                        $args['walker'] = $walker;
-                        echo walk_nav_menu_tree(
-                            array_map(
-                                array($this, '_setup_extra_nav_menu_pages_items'),
-                                $pages
-                            ),
-                            0,
-                            (object) $args
-                        );
-                        ?>
+						$pages          = $this->_get_extra_nav_menu_pages_items();
+						$args['walker'] = $walker;
+						echo walk_nav_menu_tree(
+							array_map(
+								array($this, '_setup_extra_nav_menu_pages_items'),
+								$pages
+							),
+							0,
+							(object) $args
+						);
+						?>
                     </ul>
                 </div><!-- /.tabs-panel -->
 
                 <p class="button-controls">
                 <span class="list-controls">
                     <a href="<?php
-                    echo esc_url(add_query_arg(
-                        array(
-                            'extra-nav-menu-pages-tab' => 'event-archives',
-                            'selectall'                => 1,
-                        ),
-                        remove_query_arg($removed_args)
-                    ));
-                    ?>#posttype-extra-nav-menu-pages>" class="select-all"><?php _e('Select All'); ?></a>
+					echo esc_url(add_query_arg(
+						array(
+							'extra-nav-menu-pages-tab' => 'event-archives',
+							'selectall'                => 1,
+						),
+						remove_query_arg($removed_args)
+					));
+					?>#posttype-extra-nav-menu-pages>" class="select-all"><?php _e('Select All'); ?></a>
                 </span>
                 <span class="add-to-menu">
                     <input type="submit"<?php wp_nav_menu_disabled_check($nav_menu_selected_id); ?>
@@ -482,471 +482,471 @@ 
 
         </div><!-- /.posttypediv -->
         <?php
-    }
-
-
-    /**
-     * Returns an array of event archive nav items.
-     *
-     * @todo  for now this method is just in place so when it gets abstracted further we can substitute in whatever
-     *        method we use for getting the extra nav menu items
-     * @return array
-     */
-    private function _get_extra_nav_menu_pages_items()
-    {
-        $menuitems[] = array(
-            'title'       => esc_html__('Event List', 'event_espresso'),
-            'url'         => get_post_type_archive_link('espresso_events'),
-            'description' => esc_html__('Archive page for all events.', 'event_espresso'),
-        );
-        return apply_filters('FHEE__EE_Admin__get_extra_nav_menu_pages_items', $menuitems);
-    }
-
-
-    /**
-     * Setup nav menu walker item for usage in the event archive nav menu metabox.  It receives a menu_item array with
-     * the properties and converts it to the menu item object.
-     *
-     * @see wp_setup_nav_menu_item() in wp-includes/nav-menu.php
-     * @param $menu_item_values
-     * @return stdClass
-     */
-    private function _setup_extra_nav_menu_pages_items($menu_item_values)
-    {
-        $menu_item = new stdClass();
-        $keys      = array(
-            'ID'               => 0,
-            'db_id'            => 0,
-            'menu_item_parent' => 0,
-            'object_id'        => -1,
-            'post_parent'      => 0,
-            'type'             => 'custom',
-            'object'           => '',
-            'type_label'       => esc_html__('Extra Nav Menu Item', 'event_espresso'),
-            'title'            => '',
-            'url'              => '',
-            'target'           => '',
-            'attr_title'       => '',
-            'description'      => '',
-            'classes'          => array(),
-            'xfn'              => '',
-        );
-
-        foreach ($keys as $key => $value) {
-            $menu_item->{$key} = isset($menu_item_values[$key]) ? $menu_item_values[$key] : $value;
-        }
-        return $menu_item;
-    }
-
-
-    /**
-     * This is the action hook for the AHEE__EE_Admin_Page__route_admin_request hook that fires off right before an
-     * EE_Admin_Page route is called.
-     *
-     * @return void
-     */
-    public function route_admin_request()
-    {
-    }
-
-
-    /**
-     * wp_loaded should fire on the WordPress wp_loaded hook.  This fires on a VERY late priority.
-     *
-     * @return void
-     */
-    public function wp_loaded()
-    {
-    }
-
-
-    /**
-     * admin_init
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function admin_init()
-    {
-
-        /**
-         * our cpt models must be instantiated on WordPress post processing routes (wp-admin/post.php),
-         * so any hooking into core WP routes is taken care of.  So in this next few lines of code:
-         * - check if doing post processing.
-         * - check if doing post processing of one of EE CPTs
-         * - instantiate the corresponding EE CPT model for the post_type being processed.
-         */
-        if (isset($_POST['action'], $_POST['post_type']) && $_POST['action'] === 'editpost') {
-            EE_Registry::instance()->load_core('Register_CPTs');
-            EE_Register_CPTs::instantiate_cpt_models($_POST['post_type']);
-        }
-
-
-        /**
-         * This code excludes EE critical pages anywhere `wp_dropdown_pages` is used to create a dropdown for selecting
-         * critical pages.  The only place critical pages need included in a generated dropdown is on the "Critical
-         * Pages" tab in the EE General Settings Admin page.
-         * This is for user-proofing.
-         */
-        add_filter('wp_dropdown_pages', array($this, 'modify_dropdown_pages'));
-    }
-
-
-    /**
-     * Callback for wp_dropdown_pages hook to remove ee critical pages from the dropdown selection.
-     *
-     * @param string $output Current output.
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function modify_dropdown_pages($output)
-    {
-        //get critical pages
-        $critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
-
-        //split current output by line break for easier parsing.
-        $split_output = explode("\n", $output);
-
-        //loop through to remove any critical pages from the array.
-        foreach ($critical_pages as $page_id) {
-            $needle = 'value="' . $page_id . '"';
-            foreach ($split_output as $key => $haystack) {
-                if (strpos($haystack, $needle) !== false) {
-                    unset($split_output[$key]);
-                }
-            }
-        }
-        //replace output with the new contents
-        return implode("\n", $split_output);
-    }
-
-
-    /**
-     * enqueue all admin scripts that need loaded for admin pages
-     *
-     * @return void
-     */
-    public function enqueue_admin_scripts()
-    {
-        // this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
-        // Note: the intention of this script is to only do TARGETED injections.  I.E, only injecting on certain script
-        // calls.
-        wp_enqueue_script(
-            'ee-inject-wp',
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
-            array('jquery'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // register cookie script for future dependencies
-        wp_register_script(
-            'jquery-cookie',
-            EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
-            array('jquery'),
-            '2.1',
-            true
-        );
-        //joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook, can be turned back on again
-        // via: add_filter('FHEE_load_joyride', '__return_true' );
-        if (apply_filters('FHEE_load_joyride', false)) {
-            //joyride style
-            wp_register_style('joyride-css', EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css', array(), '2.1');
-            wp_register_style(
-                'ee-joyride-css',
-                EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
-                array('joyride-css'),
-                EVENT_ESPRESSO_VERSION
-            );
-            wp_register_script(
-                'joyride-modernizr',
-                EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
-                array(),
-                '2.1',
-                true
-            );
-            //joyride JS
-            wp_register_script(
-                'jquery-joyride',
-                EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
-                array('jquery-cookie', 'joyride-modernizr'),
-                '2.1',
-                true
-            );
-            // wanna go for a joyride?
-            wp_enqueue_style('ee-joyride-css');
-            wp_enqueue_script('jquery-joyride');
-        }
-    }
-
-
-    /**
-     * display_admin_notices
-     *
-     * @return void
-     */
-    public function display_admin_notices()
-    {
-        echo EE_Error::get_notices();
-    }
-
-
-
-    /**
-     * @param array $elements
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function dashboard_glance_items($elements)
-    {
-        $elements                        = is_array($elements) ? $elements : array($elements);
-        $events                          = EEM_Event::instance()->count();
-        $items['events']['url']          = EE_Admin_Page::add_query_args_and_nonce(
-            array('page' => 'espresso_events'),
-            admin_url('admin.php')
-        );
-        $items['events']['text']         = sprintf(_n('%s Event', '%s Events', $events), number_format_i18n($events));
-        $items['events']['title']        = esc_html__('Click to view all Events', 'event_espresso');
-        $registrations                   = EEM_Registration::instance()->count(
-            array(
-                array(
-                    'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
-                ),
-            )
-        );
-        $items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
-            array('page' => 'espresso_registrations'),
-            admin_url('admin.php')
-        );
-        $items['registrations']['text']  = sprintf(
-            _n('%s Registration', '%s Registrations', $registrations),
-            number_format_i18n($registrations)
-        );
-        $items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
-
-        $items = (array)apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
-
-        foreach ($items as $type => $item_properties) {
-            $elements[] = sprintf(
-                '<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
-                $item_properties['url'],
-                $item_properties['title'],
-                $item_properties['text']
-            );
-        }
-        return $elements;
-    }
-
-
-    /**
-     * check_for_invalid_datetime_formats
-     * if an admin changes their date or time format settings on the WP General Settings admin page, verify that
-     * their selected format can be parsed by PHP
-     *
-     * @param    $value
-     * @param    $option
-     * @throws EE_Error
-     * @return    string
-     */
-    public function check_for_invalid_datetime_formats($value, $option)
-    {
-        // check for date_format or time_format
-        switch ($option) {
-            case 'date_format':
-                $date_time_format = $value . ' ' . get_option('time_format');
-                break;
-            case 'time_format':
-                $date_time_format = get_option('date_format') . ' ' . $value;
-                break;
-            default:
-                $date_time_format = false;
-        }
-        // do we have a date_time format to check ?
-        if ($date_time_format) {
-            $error_msg = EEH_DTT_Helper::validate_format_string($date_time_format);
-
-            if (is_array($error_msg)) {
-                $msg = '<p>'
-                       . sprintf(
-                           esc_html__(
-                               'The following date time "%s" ( %s ) is difficult to be properly parsed by PHP for the following reasons:',
-                               'event_espresso'
-                           ),
-                           date($date_time_format),
-                           $date_time_format
-                       )
-                       . '</p><p><ul>';
-
-
-                foreach ($error_msg as $error) {
-                    $msg .= '<li>' . $error . '</li>';
-                }
-
-                $msg .= '</ul></p><p>'
-                        . sprintf(
-                            esc_html__(
-                                '%sPlease note that your date and time formats have been reset to "F j, Y" and "g:i a" respectively.%s',
-                                'event_espresso'
-                            ),
-                            '<span style="color:#D54E21;">',
-                            '</span>'
-                        )
-                        . '</p>';
-
-                // trigger WP settings error
-                add_settings_error(
-                    'date_format',
-                    'date_format',
-                    $msg
-                );
-
-                // set format to something valid
-                switch ($option) {
-                    case 'date_format':
-                        $value = 'F j, Y';
-                        break;
-                    case 'time_format':
-                        $value = 'g:i a';
-                        break;
-                }
-            }
-        }
-        return $value;
-    }
-
-
-    /**
-     * its_eSpresso - converts the less commonly used spelling of "Expresso" to "Espresso"
-     *
-     * @param $content
-     * @return    string
-     */
-    public function its_eSpresso($content)
-    {
-        return str_replace('[EXPRESSO_', '[ESPRESSO_', $content);
-    }
-
-
-    /**
-     * espresso_admin_footer
-     *
-     * @return    string
-     */
-    public function espresso_admin_footer()
-    {
-        return \EEH_Template::powered_by_event_espresso('aln-cntr', '', array('utm_content' => 'admin_footer'));
-    }
-
-
-    /**
-     * static method for registering ee admin page.
-     * This method is deprecated in favor of the new location in EE_Register_Admin_Page::register.
-     *
-     * @since      4.3.0
-     * @deprecated 4.3.0    Use EE_Register_Admin_Page::register() instead
-     * @see        EE_Register_Admin_Page::register()
-     * @param       $page_basename
-     * @param       $page_path
-     * @param array $config
-     * @return void
-     * @throws EE_Error
-     */
-    public static function register_ee_admin_page($page_basename, $page_path, $config = array())
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'Usage is deprecated.  Use EE_Register_Admin_Page::register() for registering the %s admin page.',
-                    'event_espresso'
-                ),
-                $page_basename
-            ),
-            '4.3'
-        );
-        if (class_exists('EE_Register_Admin_Page')) {
-            $config['page_path'] = $page_path;
-        }
-        EE_Register_Admin_Page::register($page_basename, $config);
-    }
-
-
-    /**
-     * @deprecated 4.8.41
-     * @param  int      $post_ID
-     * @param  \WP_Post $post
-     * @return void
-     */
-    public static function parse_post_content_on_save($post_ID, $post)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Usage is deprecated', 'event_espresso'),
-            '4.8.41'
-        );
-    }
-
-
-    /**
-     * @deprecated 4.8.41
-     * @param  $option
-     * @param  $old_value
-     * @param  $value
-     * @return void
-     */
-    public function reset_page_for_posts_on_change($option, $old_value, $value)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Usage is deprecated', 'event_espresso'),
-            '4.8.41'
-        );
-    }
-
-
-
-    /**
-     * @deprecated 4.9.27
-     * @return void
-     */
-    public function get_persistent_admin_notices()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-    }
-
-
-
-    /**
-     * @deprecated 4.9.27
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     */
-    public function dismiss_ee_nag_notice_callback()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-        $this->persistent_admin_notice_manager->dismissNotice();
-    }
+	}
+
+
+	/**
+	 * Returns an array of event archive nav items.
+	 *
+	 * @todo  for now this method is just in place so when it gets abstracted further we can substitute in whatever
+	 *        method we use for getting the extra nav menu items
+	 * @return array
+	 */
+	private function _get_extra_nav_menu_pages_items()
+	{
+		$menuitems[] = array(
+			'title'       => esc_html__('Event List', 'event_espresso'),
+			'url'         => get_post_type_archive_link('espresso_events'),
+			'description' => esc_html__('Archive page for all events.', 'event_espresso'),
+		);
+		return apply_filters('FHEE__EE_Admin__get_extra_nav_menu_pages_items', $menuitems);
+	}
+
+
+	/**
+	 * Setup nav menu walker item for usage in the event archive nav menu metabox.  It receives a menu_item array with
+	 * the properties and converts it to the menu item object.
+	 *
+	 * @see wp_setup_nav_menu_item() in wp-includes/nav-menu.php
+	 * @param $menu_item_values
+	 * @return stdClass
+	 */
+	private function _setup_extra_nav_menu_pages_items($menu_item_values)
+	{
+		$menu_item = new stdClass();
+		$keys      = array(
+			'ID'               => 0,
+			'db_id'            => 0,
+			'menu_item_parent' => 0,
+			'object_id'        => -1,
+			'post_parent'      => 0,
+			'type'             => 'custom',
+			'object'           => '',
+			'type_label'       => esc_html__('Extra Nav Menu Item', 'event_espresso'),
+			'title'            => '',
+			'url'              => '',
+			'target'           => '',
+			'attr_title'       => '',
+			'description'      => '',
+			'classes'          => array(),
+			'xfn'              => '',
+		);
+
+		foreach ($keys as $key => $value) {
+			$menu_item->{$key} = isset($menu_item_values[$key]) ? $menu_item_values[$key] : $value;
+		}
+		return $menu_item;
+	}
+
+
+	/**
+	 * This is the action hook for the AHEE__EE_Admin_Page__route_admin_request hook that fires off right before an
+	 * EE_Admin_Page route is called.
+	 *
+	 * @return void
+	 */
+	public function route_admin_request()
+	{
+	}
+
+
+	/**
+	 * wp_loaded should fire on the WordPress wp_loaded hook.  This fires on a VERY late priority.
+	 *
+	 * @return void
+	 */
+	public function wp_loaded()
+	{
+	}
+
+
+	/**
+	 * admin_init
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function admin_init()
+	{
+
+		/**
+		 * our cpt models must be instantiated on WordPress post processing routes (wp-admin/post.php),
+		 * so any hooking into core WP routes is taken care of.  So in this next few lines of code:
+		 * - check if doing post processing.
+		 * - check if doing post processing of one of EE CPTs
+		 * - instantiate the corresponding EE CPT model for the post_type being processed.
+		 */
+		if (isset($_POST['action'], $_POST['post_type']) && $_POST['action'] === 'editpost') {
+			EE_Registry::instance()->load_core('Register_CPTs');
+			EE_Register_CPTs::instantiate_cpt_models($_POST['post_type']);
+		}
+
+
+		/**
+		 * This code excludes EE critical pages anywhere `wp_dropdown_pages` is used to create a dropdown for selecting
+		 * critical pages.  The only place critical pages need included in a generated dropdown is on the "Critical
+		 * Pages" tab in the EE General Settings Admin page.
+		 * This is for user-proofing.
+		 */
+		add_filter('wp_dropdown_pages', array($this, 'modify_dropdown_pages'));
+	}
+
+
+	/**
+	 * Callback for wp_dropdown_pages hook to remove ee critical pages from the dropdown selection.
+	 *
+	 * @param string $output Current output.
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function modify_dropdown_pages($output)
+	{
+		//get critical pages
+		$critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
+
+		//split current output by line break for easier parsing.
+		$split_output = explode("\n", $output);
+
+		//loop through to remove any critical pages from the array.
+		foreach ($critical_pages as $page_id) {
+			$needle = 'value="' . $page_id . '"';
+			foreach ($split_output as $key => $haystack) {
+				if (strpos($haystack, $needle) !== false) {
+					unset($split_output[$key]);
+				}
+			}
+		}
+		//replace output with the new contents
+		return implode("\n", $split_output);
+	}
+
+
+	/**
+	 * enqueue all admin scripts that need loaded for admin pages
+	 *
+	 * @return void
+	 */
+	public function enqueue_admin_scripts()
+	{
+		// this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
+		// Note: the intention of this script is to only do TARGETED injections.  I.E, only injecting on certain script
+		// calls.
+		wp_enqueue_script(
+			'ee-inject-wp',
+			EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+			array('jquery'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// register cookie script for future dependencies
+		wp_register_script(
+			'jquery-cookie',
+			EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
+			array('jquery'),
+			'2.1',
+			true
+		);
+		//joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook, can be turned back on again
+		// via: add_filter('FHEE_load_joyride', '__return_true' );
+		if (apply_filters('FHEE_load_joyride', false)) {
+			//joyride style
+			wp_register_style('joyride-css', EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css', array(), '2.1');
+			wp_register_style(
+				'ee-joyride-css',
+				EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
+				array('joyride-css'),
+				EVENT_ESPRESSO_VERSION
+			);
+			wp_register_script(
+				'joyride-modernizr',
+				EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
+				array(),
+				'2.1',
+				true
+			);
+			//joyride JS
+			wp_register_script(
+				'jquery-joyride',
+				EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
+				array('jquery-cookie', 'joyride-modernizr'),
+				'2.1',
+				true
+			);
+			// wanna go for a joyride?
+			wp_enqueue_style('ee-joyride-css');
+			wp_enqueue_script('jquery-joyride');
+		}
+	}
+
+
+	/**
+	 * display_admin_notices
+	 *
+	 * @return void
+	 */
+	public function display_admin_notices()
+	{
+		echo EE_Error::get_notices();
+	}
+
+
+
+	/**
+	 * @param array $elements
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function dashboard_glance_items($elements)
+	{
+		$elements                        = is_array($elements) ? $elements : array($elements);
+		$events                          = EEM_Event::instance()->count();
+		$items['events']['url']          = EE_Admin_Page::add_query_args_and_nonce(
+			array('page' => 'espresso_events'),
+			admin_url('admin.php')
+		);
+		$items['events']['text']         = sprintf(_n('%s Event', '%s Events', $events), number_format_i18n($events));
+		$items['events']['title']        = esc_html__('Click to view all Events', 'event_espresso');
+		$registrations                   = EEM_Registration::instance()->count(
+			array(
+				array(
+					'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
+				),
+			)
+		);
+		$items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
+			array('page' => 'espresso_registrations'),
+			admin_url('admin.php')
+		);
+		$items['registrations']['text']  = sprintf(
+			_n('%s Registration', '%s Registrations', $registrations),
+			number_format_i18n($registrations)
+		);
+		$items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
+
+		$items = (array)apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
+
+		foreach ($items as $type => $item_properties) {
+			$elements[] = sprintf(
+				'<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
+				$item_properties['url'],
+				$item_properties['title'],
+				$item_properties['text']
+			);
+		}
+		return $elements;
+	}
+
+
+	/**
+	 * check_for_invalid_datetime_formats
+	 * if an admin changes their date or time format settings on the WP General Settings admin page, verify that
+	 * their selected format can be parsed by PHP
+	 *
+	 * @param    $value
+	 * @param    $option
+	 * @throws EE_Error
+	 * @return    string
+	 */
+	public function check_for_invalid_datetime_formats($value, $option)
+	{
+		// check for date_format or time_format
+		switch ($option) {
+			case 'date_format':
+				$date_time_format = $value . ' ' . get_option('time_format');
+				break;
+			case 'time_format':
+				$date_time_format = get_option('date_format') . ' ' . $value;
+				break;
+			default:
+				$date_time_format = false;
+		}
+		// do we have a date_time format to check ?
+		if ($date_time_format) {
+			$error_msg = EEH_DTT_Helper::validate_format_string($date_time_format);
+
+			if (is_array($error_msg)) {
+				$msg = '<p>'
+					   . sprintf(
+						   esc_html__(
+							   'The following date time "%s" ( %s ) is difficult to be properly parsed by PHP for the following reasons:',
+							   'event_espresso'
+						   ),
+						   date($date_time_format),
+						   $date_time_format
+					   )
+					   . '</p><p><ul>';
+
+
+				foreach ($error_msg as $error) {
+					$msg .= '<li>' . $error . '</li>';
+				}
+
+				$msg .= '</ul></p><p>'
+						. sprintf(
+							esc_html__(
+								'%sPlease note that your date and time formats have been reset to "F j, Y" and "g:i a" respectively.%s',
+								'event_espresso'
+							),
+							'<span style="color:#D54E21;">',
+							'</span>'
+						)
+						. '</p>';
+
+				// trigger WP settings error
+				add_settings_error(
+					'date_format',
+					'date_format',
+					$msg
+				);
+
+				// set format to something valid
+				switch ($option) {
+					case 'date_format':
+						$value = 'F j, Y';
+						break;
+					case 'time_format':
+						$value = 'g:i a';
+						break;
+				}
+			}
+		}
+		return $value;
+	}
+
+
+	/**
+	 * its_eSpresso - converts the less commonly used spelling of "Expresso" to "Espresso"
+	 *
+	 * @param $content
+	 * @return    string
+	 */
+	public function its_eSpresso($content)
+	{
+		return str_replace('[EXPRESSO_', '[ESPRESSO_', $content);
+	}
+
+
+	/**
+	 * espresso_admin_footer
+	 *
+	 * @return    string
+	 */
+	public function espresso_admin_footer()
+	{
+		return \EEH_Template::powered_by_event_espresso('aln-cntr', '', array('utm_content' => 'admin_footer'));
+	}
+
+
+	/**
+	 * static method for registering ee admin page.
+	 * This method is deprecated in favor of the new location in EE_Register_Admin_Page::register.
+	 *
+	 * @since      4.3.0
+	 * @deprecated 4.3.0    Use EE_Register_Admin_Page::register() instead
+	 * @see        EE_Register_Admin_Page::register()
+	 * @param       $page_basename
+	 * @param       $page_path
+	 * @param array $config
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function register_ee_admin_page($page_basename, $page_path, $config = array())
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'Usage is deprecated.  Use EE_Register_Admin_Page::register() for registering the %s admin page.',
+					'event_espresso'
+				),
+				$page_basename
+			),
+			'4.3'
+		);
+		if (class_exists('EE_Register_Admin_Page')) {
+			$config['page_path'] = $page_path;
+		}
+		EE_Register_Admin_Page::register($page_basename, $config);
+	}
+
+
+	/**
+	 * @deprecated 4.8.41
+	 * @param  int      $post_ID
+	 * @param  \WP_Post $post
+	 * @return void
+	 */
+	public static function parse_post_content_on_save($post_ID, $post)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Usage is deprecated', 'event_espresso'),
+			'4.8.41'
+		);
+	}
+
+
+	/**
+	 * @deprecated 4.8.41
+	 * @param  $option
+	 * @param  $old_value
+	 * @param  $value
+	 * @return void
+	 */
+	public function reset_page_for_posts_on_change($option, $old_value, $value)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Usage is deprecated', 'event_espresso'),
+			'4.8.41'
+		);
+	}
+
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @return void
+	 */
+	public function get_persistent_admin_notices()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+	}
+
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 */
+	public function dismiss_ee_nag_notice_callback()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+		$this->persistent_admin_notice_manager->dismissNotice();
+	}
 }

Spacing +30 added lines, -30 removed lines

@@ -40,7 +40,7 @@ 
     public static function instance()
     {
         // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Admin) {
+        if ( ! self::$_instance instanceof EE_Admin) {
             self::$_instance = new self();
         }
         return self::$_instance;
@@ -100,11 +100,11 @@ 
      */
     private function _define_all_constants()
     {
-        if (! defined('EE_ADMIN_URL')) {
-            define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL . 'core/admin/');
-            define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL . 'admin_pages/');
-            define('EE_ADMIN_TEMPLATE', EE_ADMIN . 'templates' . DS);
-            define('WP_ADMIN_PATH', ABSPATH . 'wp-admin/');
+        if ( ! defined('EE_ADMIN_URL')) {
+            define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL.'core/admin/');
+            define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL.'admin_pages/');
+            define('EE_ADMIN_TEMPLATE', EE_ADMIN.'templates'.DS);
+            define('WP_ADMIN_PATH', ABSPATH.'wp-admin/');
             define('WP_AJAX_URL', admin_url('admin-ajax.php'));
         }
     }
@@ -122,7 +122,7 @@ 
         // set $main_file in stone
         static $main_file;
         // if $main_file is not set yet
-        if (! $main_file) {
+        if ( ! $main_file) {
             $main_file = plugin_basename(EVENT_ESPRESSO_MAIN_FILE);
         }
         if ($plugin === $main_file) {
@@ -175,9 +175,9 @@ 
     public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = array())
     {
         return array(
-            'maintenance' => EE_ADMIN_PAGES . 'maintenance' . DS,
-            'about'       => EE_ADMIN_PAGES . 'about' . DS,
-            'support'     => EE_ADMIN_PAGES . 'support' . DS,
+            'maintenance' => EE_ADMIN_PAGES.'maintenance'.DS,
+            'about'       => EE_ADMIN_PAGES.'about'.DS,
+            'support'     => EE_ADMIN_PAGES.'support'.DS,
         );
     }
 
@@ -219,7 +219,7 @@ 
             add_filter('get_edit_post_link', array($this, 'modify_edit_post_link'), 10, 2);
         }
         // run the admin page factory but ONLY if we are doing an ee admin ajax request
-        if (! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
+        if ( ! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
             try {
                 //this loads the controller for the admin pages which will setup routing etc
                 EE_Registry::instance()->load_core('Admin_Page_Loader');
@@ -252,7 +252,7 @@ 
         //@todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
         //with this.  But after enough time (indeterminate at this point) we can just remove this notice.
         //this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
-        if (! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
+        if ( ! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
             new PersistentAdminNotice(
                 'datetime_fix_notice',
                 sprintf(
@@ -264,13 +264,13 @@ 
                     '</strong>',
                     '<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
                     '</a>',
-                    '<a href="' . EE_Admin_Page::add_query_args_and_nonce(
+                    '<a href="'.EE_Admin_Page::add_query_args_and_nonce(
                         array(
                             'page' => 'espresso_maintenance_settings',
                             'action' => 'datetime_tools'
                         ),
                         admin_url('admin.php')
-                    ) . '">'
+                    ).'">'
                 ),
                 false,
                 'manage_options',
@@ -318,7 +318,7 @@ 
     public function enable_hidden_ee_nav_menu_metaboxes()
     {
         global $wp_meta_boxes, $pagenow;
-        if (! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
+        if ( ! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
             return;
         }
         $user = wp_get_current_user();
@@ -389,7 +389,7 @@ 
      */
     public function modify_edit_post_link($link, $id)
     {
-        if (! $post = get_post($id)) {
+        if ( ! $post = get_post($id)) {
             return $link;
         }
         if ($post->post_type === 'espresso_attendees') {
@@ -615,7 +615,7 @@ 
 
         //loop through to remove any critical pages from the array.
         foreach ($critical_pages as $page_id) {
-            $needle = 'value="' . $page_id . '"';
+            $needle = 'value="'.$page_id.'"';
             foreach ($split_output as $key => $haystack) {
                 if (strpos($haystack, $needle) !== false) {
                     unset($split_output[$key]);
@@ -639,7 +639,7 @@ 
         // calls.
         wp_enqueue_script(
             'ee-inject-wp',
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+            EE_ADMIN_URL.'assets/ee-cpt-wp-injects.js',
             array('jquery'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -647,7 +647,7 @@ 
         // register cookie script for future dependencies
         wp_register_script(
             'jquery-cookie',
-            EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
+            EE_THIRD_PARTY_URL.'joyride/jquery.cookie.js',
             array('jquery'),
             '2.1',
             true
@@ -656,16 +656,16 @@ 
         // via: add_filter('FHEE_load_joyride', '__return_true' );
         if (apply_filters('FHEE_load_joyride', false)) {
             //joyride style
-            wp_register_style('joyride-css', EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css', array(), '2.1');
+            wp_register_style('joyride-css', EE_THIRD_PARTY_URL.'joyride/joyride-2.1.css', array(), '2.1');
             wp_register_style(
                 'ee-joyride-css',
-                EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
+                EE_GLOBAL_ASSETS_URL.'css/ee-joyride-styles.css',
                 array('joyride-css'),
                 EVENT_ESPRESSO_VERSION
             );
             wp_register_script(
                 'joyride-modernizr',
-                EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
+                EE_THIRD_PARTY_URL.'joyride/modernizr.mq.js',
                 array(),
                 '2.1',
                 true
@@ -673,7 +673,7 @@ 
             //joyride JS
             wp_register_script(
                 'jquery-joyride',
-                EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
+                EE_THIRD_PARTY_URL.'joyride/jquery.joyride-2.1.js',
                 array('jquery-cookie', 'joyride-modernizr'),
                 '2.1',
                 true
@@ -722,21 +722,21 @@ 
                 ),
             )
         );
-        $items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
+        $items['registrations']['url'] = EE_Admin_Page::add_query_args_and_nonce(
             array('page' => 'espresso_registrations'),
             admin_url('admin.php')
         );
-        $items['registrations']['text']  = sprintf(
+        $items['registrations']['text'] = sprintf(
             _n('%s Registration', '%s Registrations', $registrations),
             number_format_i18n($registrations)
         );
         $items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
 
-        $items = (array)apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
+        $items = (array) apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
 
         foreach ($items as $type => $item_properties) {
             $elements[] = sprintf(
-                '<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
+                '<a class="ee-dashboard-link-'.$type.'" href="%s" title="%s">%s</a>',
                 $item_properties['url'],
                 $item_properties['title'],
                 $item_properties['text']
@@ -761,10 +761,10 @@ 
         // check for date_format or time_format
         switch ($option) {
             case 'date_format':
-                $date_time_format = $value . ' ' . get_option('time_format');
+                $date_time_format = $value.' '.get_option('time_format');
                 break;
             case 'time_format':
-                $date_time_format = get_option('date_format') . ' ' . $value;
+                $date_time_format = get_option('date_format').' '.$value;
                 break;
             default:
                 $date_time_format = false;
@@ -787,7 +787,7 @@ 
 
 
                 foreach ($error_msg as $error) {
-                    $msg .= '<li>' . $error . '</li>';
+                    $msg .= '<li>'.$error.'</li>';
                 }
 
                 $msg .= '</ul></p><p>'

admin_pages/registration_form/Registration_Form_Admin_Page.core.php

Indentation +640 added lines, -640 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('NO direct script access allowed');
+	exit('NO direct script access allowed');
 }
 
 /**
@@ -28,596 +28,596 @@ 
 class Registration_Form_Admin_Page extends EE_Admin_Page
 {
 
-    /**
-     * _question
-     * holds the specific question object for the question details screen
-     *
-     * @var EE_Question $_question
-     */
-    protected $_question;
-
-    /**
-     * _question_group
-     * holds the specific question group object for the question group details screen
-     *
-     * @var EE_Question_Group $_question_group
-     */
-    protected $_question_group;
-
-    /**
-     *_question_model EEM_Question model instance (for queries)
-     *
-     * @var EEM_Question $_question_model ;
-     */
-    protected $_question_model;
-
-    /**
-     * _question_group_model EEM_Question_group instance (for queries)
-     *
-     * @var EEM_Question_Group $_question_group_model
-     */
-    protected $_question_group_model;
-
-
-    /**
-     * @Constructor
-     * @param bool $routing indicate whether we want to just load the object and handle routing or just load the object.
-     * @access public
-     */
-    public function __construct($routing = true)
-    {
-        require_once(EE_MODELS . 'EEM_Question.model.php');
-        require_once(EE_MODELS . 'EEM_Question_Group.model.php');
-        $this->_question_model       = EEM_Question::instance();
-        $this->_question_group_model = EEM_Question_Group::instance();
-        parent::__construct($routing);
-    }
-
-
-    protected function _init_page_props()
-    {
-        $this->page_slug        = REGISTRATION_FORM_PG_SLUG;
-        $this->page_label       = esc_html__('Registration Form', 'event_espresso');
-        $this->_admin_base_url  = REGISTRATION_FORM_ADMIN_URL;
-        $this->_admin_base_path = REGISTRATION_FORM_ADMIN;
-    }
-
-
-    protected function _ajax_hooks()
-    {
-    }
-
-
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = esc_html__('Registration Form', 'event_espresso');
-        $this->_labels           = array(
-            'buttons' => array(
-                'edit_question' => esc_html__('Edit Question', 'event_espresso'),
-            ),
-        );
-    }
-
-
-    /**
-     *_set_page_routes
-     */
-    protected function _set_page_routes()
-    {
-        $qst_id             = ! empty($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0;
-        $this->_page_routes = array(
-            'default' => array(
-                'func'       => '_questions_overview_list_table',
-                'capability' => 'ee_read_questions',
-            ),
-
-            'edit_question' => array(
-                'func'       => '_edit_question',
-                'capability' => 'ee_edit_question',
-                'obj_id'     => $qst_id,
-                'args'       => array('edit'),
-            ),
-
-            'question_groups' => array(
-                'func'       => '_questions_groups_preview',
-                'capability' => 'ee_read_question_groups',
-            ),
-
-            'update_question' => array(
-                'func'       => '_insert_or_update_question',
-                'args'       => array('new_question' => false),
-                'capability' => 'ee_edit_question',
-                'obj_id'     => $qst_id,
-                'noheader'   => true,
-            ),
-        );
-    }
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default' => array(
-                'nav'           => array(
-                    'label' => esc_html__('Questions', 'event_espresso'),
-                    'order' => 10,
-                ),
-                'list_table'    => 'Registration_Form_Questions_Admin_List_Table',
-                'metaboxes'     => $this->_default_espresso_metaboxes,
-                'help_tabs'     => array(
-                    'registration_form_questions_overview_help_tab'                           => array(
-                        'title'    => esc_html__('Questions Overview', 'event_espresso'),
-                        'filename' => 'registration_form_questions_overview',
-                    ),
-                    'registration_form_questions_overview_table_column_headings_help_tab'     => array(
-                        'title'    => esc_html__('Questions Overview Table Column Headings', 'event_espresso'),
-                        'filename' => 'registration_form_questions_overview_table_column_headings',
-                    ),
-                    'registration_form_questions_overview_views_bulk_actions_search_help_tab' => array(
-                        'title'    => esc_html__('Question Overview Views & Bulk Actions & Search', 'event_espresso'),
-                        'filename' => 'registration_form_questions_overview_views_bulk_actions_search',
-                    ),
-                ),
-                'help_tour'     => array('Registration_Form_Questions_Overview_Help_Tour'),
-                'require_nonce' => false,
-                'qtips'         => array(
-                    'EE_Registration_Form_Tips',
-                )/**/
-            ),
-
-            'question_groups' => array(
-                'nav'           => array(
-                    'label' => esc_html__('Question Groups', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'metaboxes'     => $this->_default_espresso_metaboxes,
-                'help_tabs'     => array(
-                    'registration_form_question_groups_help_tab' => array(
-                        'title'    => esc_html__('Question Groups', 'event_espresso'),
-                        'filename' => 'registration_form_question_groups',
-                    ),
-                ),
-                'help_tour'     => array('Registration_Form_Question_Groups_Help_Tour'),
-                'require_nonce' => false,
-            ),
-
-            'edit_question' => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Edit Question', 'event_espresso'),
-                    'order'      => 15,
-                    'persistent' => false,
-                    'url'        => isset($this->_req_data['question_id']) ? add_query_arg(array('question_id' => $this->_req_data['question_id']),
-                        $this->_current_page_view_url) : $this->_admin_base_url,
-                ),
-                'metaboxes'     => array_merge($this->_default_espresso_metaboxes, array('_publish_post_box')),
-                'help_tabs'     => array(
-                    'registration_form_edit_question_group_help_tab' => array(
-                        'title'    => esc_html__('Edit Question', 'event_espresso'),
-                        'filename' => 'registration_form_edit_question',
-                    ),
-                ),
-                'help_tour'     => array('Registration_Form_Edit_Question_Help_Tour'),
-                'require_nonce' => false,
-            ),
-        );
-    }
-
-
-    protected function _add_screen_options()
-    {
-        //todo
-    }
-
-    protected function _add_screen_options_default()
-    {
-        $page_title              = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Questions', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-    protected function _add_screen_options_question_groups()
-    {
-        $page_title              = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Question Groups', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-    //none of the below group are currently used for Event Categories
-    protected function _add_feature_pointers()
-    {
-    }
-
-    public function load_scripts_styles()
-    {
-        wp_register_style('espresso_registration',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
-        wp_enqueue_style('espresso_registration');
-    }
-
-    public function admin_init()
-    {
-    }
-
-    public function admin_notices()
-    {
-    }
-
-    public function admin_footer_scripts()
-    {
-    }
-
-
-    public function load_scripts_styles_default()
-    {
-    }
-
-
-    public function load_scripts_styles_add_question()
-    {
-        $this->load_scripts_styles_forms();
-        wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
-            EVENT_ESPRESSO_VERSION, true);
-        wp_enqueue_script('espresso_registration_form_single');
-    }
-
-    public function load_scripts_styles_edit_question()
-    {
-        $this->load_scripts_styles_forms();
-        wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
-            EVENT_ESPRESSO_VERSION, true);
-        wp_enqueue_script('espresso_registration_form_single');
-    }
-
-
-    public function recaptcha_info_help_tab()
-    {
-        $template = REGISTRATION_FORM_TEMPLATE_PATH . 'recaptcha_info_help_tab.template.php';
-        EEH_Template::display_template($template, array());
-    }
-
-
-    public function load_scripts_styles_forms()
-    {
-        //styles
-        wp_enqueue_style('espresso-ui-theme');
-        //scripts
-        wp_enqueue_script('ee_admin_js');
-    }
-
-
-    protected function _set_list_table_views_default()
-    {
-        $this->_views = array(
-            'all' => array(
-                'slug'  => 'all',
-                'label' => esc_html__('View All Questions', 'event_espresso'),
-                'count' => 0,
+	/**
+	 * _question
+	 * holds the specific question object for the question details screen
+	 *
+	 * @var EE_Question $_question
+	 */
+	protected $_question;
+
+	/**
+	 * _question_group
+	 * holds the specific question group object for the question group details screen
+	 *
+	 * @var EE_Question_Group $_question_group
+	 */
+	protected $_question_group;
+
+	/**
+	 *_question_model EEM_Question model instance (for queries)
+	 *
+	 * @var EEM_Question $_question_model ;
+	 */
+	protected $_question_model;
+
+	/**
+	 * _question_group_model EEM_Question_group instance (for queries)
+	 *
+	 * @var EEM_Question_Group $_question_group_model
+	 */
+	protected $_question_group_model;
+
+
+	/**
+	 * @Constructor
+	 * @param bool $routing indicate whether we want to just load the object and handle routing or just load the object.
+	 * @access public
+	 */
+	public function __construct($routing = true)
+	{
+		require_once(EE_MODELS . 'EEM_Question.model.php');
+		require_once(EE_MODELS . 'EEM_Question_Group.model.php');
+		$this->_question_model       = EEM_Question::instance();
+		$this->_question_group_model = EEM_Question_Group::instance();
+		parent::__construct($routing);
+	}
+
+
+	protected function _init_page_props()
+	{
+		$this->page_slug        = REGISTRATION_FORM_PG_SLUG;
+		$this->page_label       = esc_html__('Registration Form', 'event_espresso');
+		$this->_admin_base_url  = REGISTRATION_FORM_ADMIN_URL;
+		$this->_admin_base_path = REGISTRATION_FORM_ADMIN;
+	}
+
+
+	protected function _ajax_hooks()
+	{
+	}
+
+
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = esc_html__('Registration Form', 'event_espresso');
+		$this->_labels           = array(
+			'buttons' => array(
+				'edit_question' => esc_html__('Edit Question', 'event_espresso'),
+			),
+		);
+	}
+
+
+	/**
+	 *_set_page_routes
+	 */
+	protected function _set_page_routes()
+	{
+		$qst_id             = ! empty($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0;
+		$this->_page_routes = array(
+			'default' => array(
+				'func'       => '_questions_overview_list_table',
+				'capability' => 'ee_read_questions',
+			),
+
+			'edit_question' => array(
+				'func'       => '_edit_question',
+				'capability' => 'ee_edit_question',
+				'obj_id'     => $qst_id,
+				'args'       => array('edit'),
+			),
+
+			'question_groups' => array(
+				'func'       => '_questions_groups_preview',
+				'capability' => 'ee_read_question_groups',
+			),
+
+			'update_question' => array(
+				'func'       => '_insert_or_update_question',
+				'args'       => array('new_question' => false),
+				'capability' => 'ee_edit_question',
+				'obj_id'     => $qst_id,
+				'noheader'   => true,
+			),
+		);
+	}
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default' => array(
+				'nav'           => array(
+					'label' => esc_html__('Questions', 'event_espresso'),
+					'order' => 10,
+				),
+				'list_table'    => 'Registration_Form_Questions_Admin_List_Table',
+				'metaboxes'     => $this->_default_espresso_metaboxes,
+				'help_tabs'     => array(
+					'registration_form_questions_overview_help_tab'                           => array(
+						'title'    => esc_html__('Questions Overview', 'event_espresso'),
+						'filename' => 'registration_form_questions_overview',
+					),
+					'registration_form_questions_overview_table_column_headings_help_tab'     => array(
+						'title'    => esc_html__('Questions Overview Table Column Headings', 'event_espresso'),
+						'filename' => 'registration_form_questions_overview_table_column_headings',
+					),
+					'registration_form_questions_overview_views_bulk_actions_search_help_tab' => array(
+						'title'    => esc_html__('Question Overview Views & Bulk Actions & Search', 'event_espresso'),
+						'filename' => 'registration_form_questions_overview_views_bulk_actions_search',
+					),
+				),
+				'help_tour'     => array('Registration_Form_Questions_Overview_Help_Tour'),
+				'require_nonce' => false,
+				'qtips'         => array(
+					'EE_Registration_Form_Tips',
+				)/**/
+			),
+
+			'question_groups' => array(
+				'nav'           => array(
+					'label' => esc_html__('Question Groups', 'event_espresso'),
+					'order' => 20,
+				),
+				'metaboxes'     => $this->_default_espresso_metaboxes,
+				'help_tabs'     => array(
+					'registration_form_question_groups_help_tab' => array(
+						'title'    => esc_html__('Question Groups', 'event_espresso'),
+						'filename' => 'registration_form_question_groups',
+					),
+				),
+				'help_tour'     => array('Registration_Form_Question_Groups_Help_Tour'),
+				'require_nonce' => false,
+			),
+
+			'edit_question' => array(
+				'nav'           => array(
+					'label'      => esc_html__('Edit Question', 'event_espresso'),
+					'order'      => 15,
+					'persistent' => false,
+					'url'        => isset($this->_req_data['question_id']) ? add_query_arg(array('question_id' => $this->_req_data['question_id']),
+						$this->_current_page_view_url) : $this->_admin_base_url,
+				),
+				'metaboxes'     => array_merge($this->_default_espresso_metaboxes, array('_publish_post_box')),
+				'help_tabs'     => array(
+					'registration_form_edit_question_group_help_tab' => array(
+						'title'    => esc_html__('Edit Question', 'event_espresso'),
+						'filename' => 'registration_form_edit_question',
+					),
+				),
+				'help_tour'     => array('Registration_Form_Edit_Question_Help_Tour'),
+				'require_nonce' => false,
+			),
+		);
+	}
+
+
+	protected function _add_screen_options()
+	{
+		//todo
+	}
+
+	protected function _add_screen_options_default()
+	{
+		$page_title              = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Questions', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+	protected function _add_screen_options_question_groups()
+	{
+		$page_title              = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Question Groups', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+	//none of the below group are currently used for Event Categories
+	protected function _add_feature_pointers()
+	{
+	}
+
+	public function load_scripts_styles()
+	{
+		wp_register_style('espresso_registration',
+			REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
+		wp_enqueue_style('espresso_registration');
+	}
+
+	public function admin_init()
+	{
+	}
+
+	public function admin_notices()
+	{
+	}
+
+	public function admin_footer_scripts()
+	{
+	}
+
+
+	public function load_scripts_styles_default()
+	{
+	}
+
+
+	public function load_scripts_styles_add_question()
+	{
+		$this->load_scripts_styles_forms();
+		wp_register_script('espresso_registration_form_single',
+			REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+			EVENT_ESPRESSO_VERSION, true);
+		wp_enqueue_script('espresso_registration_form_single');
+	}
+
+	public function load_scripts_styles_edit_question()
+	{
+		$this->load_scripts_styles_forms();
+		wp_register_script('espresso_registration_form_single',
+			REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+			EVENT_ESPRESSO_VERSION, true);
+		wp_enqueue_script('espresso_registration_form_single');
+	}
+
+
+	public function recaptcha_info_help_tab()
+	{
+		$template = REGISTRATION_FORM_TEMPLATE_PATH . 'recaptcha_info_help_tab.template.php';
+		EEH_Template::display_template($template, array());
+	}
+
+
+	public function load_scripts_styles_forms()
+	{
+		//styles
+		wp_enqueue_style('espresso-ui-theme');
+		//scripts
+		wp_enqueue_script('ee_admin_js');
+	}
+
+
+	protected function _set_list_table_views_default()
+	{
+		$this->_views = array(
+			'all' => array(
+				'slug'  => 'all',
+				'label' => esc_html__('View All Questions', 'event_espresso'),
+				'count' => 0,
 //				'bulk_action' => array(
 //					'trash_questions' => esc_html__('Trash', 'event_espresso'),
 //					)
-            ),
-        );
-
-        if (EE_Registry::instance()->CAP->current_user_can('ee_delete_questions',
-            'espresso_registration_form_trash_questions')
-        ) {
-            $this->_views['trash'] = array(
-                'slug'  => 'trash',
-                'label' => esc_html__('Trash', 'event_espresso'),
-                'count' => 0,
+			),
+		);
+
+		if (EE_Registry::instance()->CAP->current_user_can('ee_delete_questions',
+			'espresso_registration_form_trash_questions')
+		) {
+			$this->_views['trash'] = array(
+				'slug'  => 'trash',
+				'label' => esc_html__('Trash', 'event_espresso'),
+				'count' => 0,
 //				'bulk_action' => array(
 //					'delete_questions' => esc_html__('Delete Permanently', 'event_espresso'),
 //					'restore_questions' => esc_html__('Restore', 'event_espresso'),
-            );
-        }
-    }
-
-    /**
-     * This just previews the question groups tab that comes in caffeinated.
-     *
-     * @return string html
-     */
-    protected function _questions_groups_preview()
-    {
-        $this->_admin_page_title              = esc_html__('Question Groups (Preview)', 'event_espresso');
-        $this->_template_args['preview_img']  = '<img src="' . REGISTRATION_FORM_ASSETS_URL . 'caf_reg_form_preview.jpg" alt="' . esc_attr__('Preview Question Groups Overview List Table screenshot',
-                'event_espresso') . '" />';
-        $this->_template_args['preview_text'] = '<strong>' . esc_html__('Question Groups 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 Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
-                'event_espresso') . '</strong>';
-        $this->display_admin_caf_preview_page('question_groups_tab');
-    }
-
-
-    /**
-     * Extracts the question field's values from the POST request to update or insert them
-     *
-     * @param \EEM_Base $model
-     * @return array where each key is the name of a model's field/db column, and each value is its value.
-     */
-    protected function _set_column_values_for(EEM_Base $model)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $set_column_values = array();
-
-        //some initial checks for proper values.
-        //if QST_admin_only, then no matter what QST_required is we disable.
-        if (! empty($this->_req_data['QST_admin_only'])) {
-            $this->_req_data['QST_required'] = 0;
-        }
-        foreach ($model->field_settings() as $fieldName => $settings) {
-            // basically if QSG_identifier is empty or not set
-            if ($fieldName === 'QSG_identifier' && (isset($this->_req_data['QSG_identifier']) && empty($this->_req_data['QSG_identifier']))) {
-                $QSG_name                      = isset($this->_req_data['QSG_name']) ? $this->_req_data['QSG_name'] : '';
-                $set_column_values[$fieldName] = sanitize_title($QSG_name) . '-' . uniqid('', true);
+			);
+		}
+	}
+
+	/**
+	 * This just previews the question groups tab that comes in caffeinated.
+	 *
+	 * @return string html
+	 */
+	protected function _questions_groups_preview()
+	{
+		$this->_admin_page_title              = esc_html__('Question Groups (Preview)', 'event_espresso');
+		$this->_template_args['preview_img']  = '<img src="' . REGISTRATION_FORM_ASSETS_URL . 'caf_reg_form_preview.jpg" alt="' . esc_attr__('Preview Question Groups Overview List Table screenshot',
+				'event_espresso') . '" />';
+		$this->_template_args['preview_text'] = '<strong>' . esc_html__('Question Groups 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 Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
+				'event_espresso') . '</strong>';
+		$this->display_admin_caf_preview_page('question_groups_tab');
+	}
+
+
+	/**
+	 * Extracts the question field's values from the POST request to update or insert them
+	 *
+	 * @param \EEM_Base $model
+	 * @return array where each key is the name of a model's field/db column, and each value is its value.
+	 */
+	protected function _set_column_values_for(EEM_Base $model)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$set_column_values = array();
+
+		//some initial checks for proper values.
+		//if QST_admin_only, then no matter what QST_required is we disable.
+		if (! empty($this->_req_data['QST_admin_only'])) {
+			$this->_req_data['QST_required'] = 0;
+		}
+		foreach ($model->field_settings() as $fieldName => $settings) {
+			// basically if QSG_identifier is empty or not set
+			if ($fieldName === 'QSG_identifier' && (isset($this->_req_data['QSG_identifier']) && empty($this->_req_data['QSG_identifier']))) {
+				$QSG_name                      = isset($this->_req_data['QSG_name']) ? $this->_req_data['QSG_name'] : '';
+				$set_column_values[$fieldName] = sanitize_title($QSG_name) . '-' . uniqid('', true);
 //				dd($set_column_values);
-            } //if the admin label is blank, use a slug version of the question text
-            else if ($fieldName === 'QST_admin_label' && (isset($this->_req_data['QST_admin_label']) && empty($this->_req_data['QST_admin_label']))) {
-                $QST_text                      = isset($this->_req_data['QST_display_text']) ? $this->_req_data['QST_display_text'] : '';
-                $set_column_values[$fieldName] = sanitize_title(wp_trim_words($QST_text, 10));
-            } else if ($fieldName === 'QST_admin_only' && (! isset($this->_req_data['QST_admin_only']))) {
-                $set_column_values[$fieldName] = 0;
-            } else if ($fieldName === 'QST_max') {
-                $qst_system = EEM_Question::instance()->get_var(
-                    array(
-                        array(
-                            'QST_ID' => isset($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0,
-                        ),
-                    ),
-                    'QST_system');
-                $max_max    = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
-                if (empty($this->_req_data['QST_max']) ||
-                    $this->_req_data['QST_max'] > $max_max
-                ) {
-                    $set_column_values[$fieldName] = $max_max;
-                }
-            }
-
-
-            //only add a property to the array if it's not null (otherwise the model should just use the default value)
-            if (
-                ! isset($set_column_values[$fieldName]) &&
-                isset($this->_req_data[$fieldName])
-            ) {
-                $set_column_values[$fieldName] = $this->_req_data[$fieldName];
-            }
-
-        }
-        return $set_column_values;//validation fo this data to be performed by the model before insertion.
-    }
-
-
-    /**
-     *_questions_overview_list_table
-     */
-    protected function _questions_overview_list_table()
-    {
-        $this->_search_btn_label = esc_html__('Questions', 'event_espresso');
-        $this->display_admin_list_table_page_with_sidebar();
-    }
-
-
-    /**
-     * _edit_question
-     */
-    protected function _edit_question()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $ID = isset($this->_req_data['QST_ID']) && ! empty($this->_req_data['QST_ID']) ? absint($this->_req_data['QST_ID']) : false;
-
-        switch ($this->_req_action) {
-            case 'add_question' :
-                $this->_admin_page_title = esc_html__('Add Question', 'event_espresso');
-                break;
-            case 'edit_question' :
-                $this->_admin_page_title = esc_html__('Edit Question', 'event_espresso');
-                break;
-            default :
-                $this->_admin_page_title = ucwords(str_replace('_', ' ', $this->_req_action));
-        }
-
-        // add PRC_ID to title if editing
-        $this->_admin_page_title = $ID ? $this->_admin_page_title . ' # ' . $ID : $this->_admin_page_title;
-        if ($ID) {
-            $question                 = $this->_question_model->get_one_by_ID($ID);
-            $additional_hidden_fields = array('QST_ID' => array('type' => 'hidden', 'value' => $ID));
-            $this->_set_add_edit_form_tags('update_question', $additional_hidden_fields);
-        } else {
-            $question = EE_Question::new_instance();
-            $question->set_order_to_latest();
-            $this->_set_add_edit_form_tags('insert_question');
-        }
-        if( $question->system_ID() === EEM_Attendee::system_question_phone ){
-            $question_types = array_intersect_key(
-                EEM_Question::instance()->allowed_question_types(),
-                array_flip(
-                    array(
-                        EEM_Question::QST_type_text,
-                        EEM_Question::QST_type_us_phone
-                    )
-                )
-            );
-        } else {
-            $question_types = $question->has_answers() ? $this->_question_model->question_types_in_same_category($question->type()) : $this->_question_model->allowed_question_types();
-        }
-        $this->_template_args['QST_ID']                     = $ID;
-        $this->_template_args['question']                   = $question;
-        $this->_template_args['question_types']             = $question_types;
-        $this->_template_args['max_max']                    = EEM_Question::instance()->absolute_max_for_system_question(
-            $question->system_ID()
-        );
-        $this->_template_args['question_type_descriptions'] = $this->_get_question_type_descriptions();
-        $this->_set_publish_post_box_vars('id', $ID);
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            REGISTRATION_FORM_TEMPLATE_PATH . 'questions_main_meta_box.template.php',
-            $this->_template_args, true
-        );
-
-        // the details template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     * @return string
-     */
-    protected function _get_question_type_descriptions()
-    {
-        EE_Registry::instance()->load_helper('HTML');
-        $descriptions               = '';
-        $question_type_descriptions = EEM_Question::instance()->question_descriptions();
-        foreach ($question_type_descriptions as $type => $question_type_description) {
-            if ($type == 'HTML_TEXTAREA') {
-                $html = new EE_Simple_HTML_Validation_Strategy();
-                $question_type_description .= sprintf(
-                    esc_html__('%1$s(allowed tags: %2$s)', 'event_espresso'),
-                    '<br/>',
-                    $html->get_list_of_allowed_tags()
-                );
-            }
-            $descriptions .= EEH_HTML::p(
-                $question_type_description,
-                'question_type_description-' . $type,
-                'question_type_description description',
-                'display:none;'
-            );
-        }
-        return $descriptions;
-    }
-
-
-    /**
-     * @param bool|true $new_question
-     * @throws \EE_Error
-     */
-    protected function _insert_or_update_question($new_question = true)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $set_column_values = $this->_set_column_values_for($this->_question_model);
-        if ($new_question) {
-            $question = EE_Question::new_instance($set_column_values);
-            $action_desc = 'added';
-        } else {
-            $question     = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
-            foreach($set_column_values as $field => $new_value) {
-                $question->set($field, $new_value);
-            }
-            $action_desc = 'updated';
-        }
-        $success = $question->save();
-        $ID = $question->ID();
-        if ($ID && $question->should_have_question_options()) {
-            //save the related options
-            //trash removed options, save old ones
-            //get list of all options
-            $options  = $question->options();
-            if (! empty($options)) {
-                foreach ($options as $option_ID => $option) {
-                    $option_req_index = $this->_get_option_req_data_index($option_ID);
-                    if ($option_req_index !== false) {
-                        $option->save($this->_req_data['question_options'][$option_req_index]);
-                    } else {
-                        //not found, remove it
-                        $option->delete();
-                    }
-                }
-            }
-            //save new related options
-            foreach ($this->_req_data['question_options'] as $index => $option_req_data) {
-                //skip $index that is from our sample
-                if ( $index === 'xxcountxx' ) {
-                    continue;
-                }
-                //note we allow saving blank options.
-                if (empty($option_req_data['QSO_ID'])
-                ) {//no ID! save it!
-                    $new_option = EE_Question_Option::new_instance(array(
-                        'QSO_value' => $option_req_data['QSO_value'],
-                        'QSO_desc'  => $option_req_data['QSO_desc'],
-                        'QSO_order' => $option_req_data['QSO_order'],
-                        'QST_ID'    => $question->ID(),
-                    ));
-                    $new_option->save();
-                }
-            }
-        }
-        $query_args = array('action' => 'edit_question', 'QST_ID' => $ID);
-        if ($success !== false) {
-            $msg = $new_question ? sprintf(esc_html__('The %s has been created', 'event_espresso'),
-                $this->_question_model->item_name()) : sprintf(esc_html__('The %s has been updated', 'event_espresso'),
-                $this->_question_model->item_name());
-            EE_Error::add_success($msg);
-        }
-
-        $this->_redirect_after_action(false, '', $action_desc, $query_args, true);
-    }
-
-
-    /**
-     * Upon saving a question, there should be an array of 'question_options'. This array is index numerically, but not
-     * by ID
-     * (this is done because new question options don't have an ID, but we may want to add multiple simultaneously).
-     * So, this function gets the index in that request data array called question_options. Returns FALSE if not found.
-     *
-     * @param int $ID of the question option to find
-     * @return int index in question_options array if successful, FALSE if unsuccessful
-     */
-    protected function _get_option_req_data_index($ID)
-    {
-        $req_data_for_question_options = $this->_req_data['question_options'];
-        foreach ($req_data_for_question_options as $num => $option_data) {
-            if (array_key_exists('QSO_ID', $option_data) && (int)$option_data['QSO_ID'] === $ID) {
-                return $num;
-            }
-        }
-        return false;
-    }
-
-
-
-
-    /***********/
-    /* QUERIES */
-    /**
-     * For internal use in getting all the query parameters
-     * (because it's pretty well the same between question, question groups,
-     * and for both when searching for trashed and untrashed ones)
-     *
-     * @param EEM_Base $model either EEM_Question or EEM_Question_Group
-     * @param int      $per_page
-     * @param int      $current_page
-     * @return array lik EEM_Base::get_all's $query_params parameter
-     */
-    protected function get_query_params($model, $per_page = 10, $current_page = 10)
-    {
-        $query_params             = array();
-        $offset                   = ($current_page - 1) * $per_page;
-        $query_params['limit']    = array($offset, $per_page);
-        $order                    = (isset($this->_req_data['order']) && ! empty($this->_req_data['order'])) ? $this->_req_data['order'] : 'ASC';
-        $orderby_field            = $model instanceof EEM_Question ? 'QST_ID' : 'QSG_order';
-        $field_to_order_by        = empty($this->_req_data['orderby']) ? $orderby_field : $this->_req_data['orderby'];
-        $query_params['order_by'] = array($field_to_order_by => $order);
-        $search_string            = array_key_exists('s', $this->_req_data) ? $this->_req_data['s'] : null;
-        if (! empty($search_string)) {
-            if ($model instanceof EEM_Question_Group) {
-                $query_params[0] = array(
-                    'OR' => array(
-                        'QSG_name' => array('LIKE', "%$search_string%"),
-                        'QSG_desc' => array('LIKE', "%$search_string%"),
-                    ),
-                );
-            } else {
-                $query_params[0] = array(
-                    'QST_display_text' => array('LIKE', "%$search_string%"),
-                );
-            }
-        }
-
-        //capability checks (just leaving this commented out for reference because it illustrates some complicated query params that could be useful when fully implemented)
-        /*if ( $model instanceof EEM_Question_Group ) {
+			} //if the admin label is blank, use a slug version of the question text
+			else if ($fieldName === 'QST_admin_label' && (isset($this->_req_data['QST_admin_label']) && empty($this->_req_data['QST_admin_label']))) {
+				$QST_text                      = isset($this->_req_data['QST_display_text']) ? $this->_req_data['QST_display_text'] : '';
+				$set_column_values[$fieldName] = sanitize_title(wp_trim_words($QST_text, 10));
+			} else if ($fieldName === 'QST_admin_only' && (! isset($this->_req_data['QST_admin_only']))) {
+				$set_column_values[$fieldName] = 0;
+			} else if ($fieldName === 'QST_max') {
+				$qst_system = EEM_Question::instance()->get_var(
+					array(
+						array(
+							'QST_ID' => isset($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0,
+						),
+					),
+					'QST_system');
+				$max_max    = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
+				if (empty($this->_req_data['QST_max']) ||
+					$this->_req_data['QST_max'] > $max_max
+				) {
+					$set_column_values[$fieldName] = $max_max;
+				}
+			}
+
+
+			//only add a property to the array if it's not null (otherwise the model should just use the default value)
+			if (
+				! isset($set_column_values[$fieldName]) &&
+				isset($this->_req_data[$fieldName])
+			) {
+				$set_column_values[$fieldName] = $this->_req_data[$fieldName];
+			}
+
+		}
+		return $set_column_values;//validation fo this data to be performed by the model before insertion.
+	}
+
+
+	/**
+	 *_questions_overview_list_table
+	 */
+	protected function _questions_overview_list_table()
+	{
+		$this->_search_btn_label = esc_html__('Questions', 'event_espresso');
+		$this->display_admin_list_table_page_with_sidebar();
+	}
+
+
+	/**
+	 * _edit_question
+	 */
+	protected function _edit_question()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$ID = isset($this->_req_data['QST_ID']) && ! empty($this->_req_data['QST_ID']) ? absint($this->_req_data['QST_ID']) : false;
+
+		switch ($this->_req_action) {
+			case 'add_question' :
+				$this->_admin_page_title = esc_html__('Add Question', 'event_espresso');
+				break;
+			case 'edit_question' :
+				$this->_admin_page_title = esc_html__('Edit Question', 'event_espresso');
+				break;
+			default :
+				$this->_admin_page_title = ucwords(str_replace('_', ' ', $this->_req_action));
+		}
+
+		// add PRC_ID to title if editing
+		$this->_admin_page_title = $ID ? $this->_admin_page_title . ' # ' . $ID : $this->_admin_page_title;
+		if ($ID) {
+			$question                 = $this->_question_model->get_one_by_ID($ID);
+			$additional_hidden_fields = array('QST_ID' => array('type' => 'hidden', 'value' => $ID));
+			$this->_set_add_edit_form_tags('update_question', $additional_hidden_fields);
+		} else {
+			$question = EE_Question::new_instance();
+			$question->set_order_to_latest();
+			$this->_set_add_edit_form_tags('insert_question');
+		}
+		if( $question->system_ID() === EEM_Attendee::system_question_phone ){
+			$question_types = array_intersect_key(
+				EEM_Question::instance()->allowed_question_types(),
+				array_flip(
+					array(
+						EEM_Question::QST_type_text,
+						EEM_Question::QST_type_us_phone
+					)
+				)
+			);
+		} else {
+			$question_types = $question->has_answers() ? $this->_question_model->question_types_in_same_category($question->type()) : $this->_question_model->allowed_question_types();
+		}
+		$this->_template_args['QST_ID']                     = $ID;
+		$this->_template_args['question']                   = $question;
+		$this->_template_args['question_types']             = $question_types;
+		$this->_template_args['max_max']                    = EEM_Question::instance()->absolute_max_for_system_question(
+			$question->system_ID()
+		);
+		$this->_template_args['question_type_descriptions'] = $this->_get_question_type_descriptions();
+		$this->_set_publish_post_box_vars('id', $ID);
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			REGISTRATION_FORM_TEMPLATE_PATH . 'questions_main_meta_box.template.php',
+			$this->_template_args, true
+		);
+
+		// the details template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 * @return string
+	 */
+	protected function _get_question_type_descriptions()
+	{
+		EE_Registry::instance()->load_helper('HTML');
+		$descriptions               = '';
+		$question_type_descriptions = EEM_Question::instance()->question_descriptions();
+		foreach ($question_type_descriptions as $type => $question_type_description) {
+			if ($type == 'HTML_TEXTAREA') {
+				$html = new EE_Simple_HTML_Validation_Strategy();
+				$question_type_description .= sprintf(
+					esc_html__('%1$s(allowed tags: %2$s)', 'event_espresso'),
+					'<br/>',
+					$html->get_list_of_allowed_tags()
+				);
+			}
+			$descriptions .= EEH_HTML::p(
+				$question_type_description,
+				'question_type_description-' . $type,
+				'question_type_description description',
+				'display:none;'
+			);
+		}
+		return $descriptions;
+	}
+
+
+	/**
+	 * @param bool|true $new_question
+	 * @throws \EE_Error
+	 */
+	protected function _insert_or_update_question($new_question = true)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$set_column_values = $this->_set_column_values_for($this->_question_model);
+		if ($new_question) {
+			$question = EE_Question::new_instance($set_column_values);
+			$action_desc = 'added';
+		} else {
+			$question     = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
+			foreach($set_column_values as $field => $new_value) {
+				$question->set($field, $new_value);
+			}
+			$action_desc = 'updated';
+		}
+		$success = $question->save();
+		$ID = $question->ID();
+		if ($ID && $question->should_have_question_options()) {
+			//save the related options
+			//trash removed options, save old ones
+			//get list of all options
+			$options  = $question->options();
+			if (! empty($options)) {
+				foreach ($options as $option_ID => $option) {
+					$option_req_index = $this->_get_option_req_data_index($option_ID);
+					if ($option_req_index !== false) {
+						$option->save($this->_req_data['question_options'][$option_req_index]);
+					} else {
+						//not found, remove it
+						$option->delete();
+					}
+				}
+			}
+			//save new related options
+			foreach ($this->_req_data['question_options'] as $index => $option_req_data) {
+				//skip $index that is from our sample
+				if ( $index === 'xxcountxx' ) {
+					continue;
+				}
+				//note we allow saving blank options.
+				if (empty($option_req_data['QSO_ID'])
+				) {//no ID! save it!
+					$new_option = EE_Question_Option::new_instance(array(
+						'QSO_value' => $option_req_data['QSO_value'],
+						'QSO_desc'  => $option_req_data['QSO_desc'],
+						'QSO_order' => $option_req_data['QSO_order'],
+						'QST_ID'    => $question->ID(),
+					));
+					$new_option->save();
+				}
+			}
+		}
+		$query_args = array('action' => 'edit_question', 'QST_ID' => $ID);
+		if ($success !== false) {
+			$msg = $new_question ? sprintf(esc_html__('The %s has been created', 'event_espresso'),
+				$this->_question_model->item_name()) : sprintf(esc_html__('The %s has been updated', 'event_espresso'),
+				$this->_question_model->item_name());
+			EE_Error::add_success($msg);
+		}
+
+		$this->_redirect_after_action(false, '', $action_desc, $query_args, true);
+	}
+
+
+	/**
+	 * Upon saving a question, there should be an array of 'question_options'. This array is index numerically, but not
+	 * by ID
+	 * (this is done because new question options don't have an ID, but we may want to add multiple simultaneously).
+	 * So, this function gets the index in that request data array called question_options. Returns FALSE if not found.
+	 *
+	 * @param int $ID of the question option to find
+	 * @return int index in question_options array if successful, FALSE if unsuccessful
+	 */
+	protected function _get_option_req_data_index($ID)
+	{
+		$req_data_for_question_options = $this->_req_data['question_options'];
+		foreach ($req_data_for_question_options as $num => $option_data) {
+			if (array_key_exists('QSO_ID', $option_data) && (int)$option_data['QSO_ID'] === $ID) {
+				return $num;
+			}
+		}
+		return false;
+	}
+
+
+
+
+	/***********/
+	/* QUERIES */
+	/**
+	 * For internal use in getting all the query parameters
+	 * (because it's pretty well the same between question, question groups,
+	 * and for both when searching for trashed and untrashed ones)
+	 *
+	 * @param EEM_Base $model either EEM_Question or EEM_Question_Group
+	 * @param int      $per_page
+	 * @param int      $current_page
+	 * @return array lik EEM_Base::get_all's $query_params parameter
+	 */
+	protected function get_query_params($model, $per_page = 10, $current_page = 10)
+	{
+		$query_params             = array();
+		$offset                   = ($current_page - 1) * $per_page;
+		$query_params['limit']    = array($offset, $per_page);
+		$order                    = (isset($this->_req_data['order']) && ! empty($this->_req_data['order'])) ? $this->_req_data['order'] : 'ASC';
+		$orderby_field            = $model instanceof EEM_Question ? 'QST_ID' : 'QSG_order';
+		$field_to_order_by        = empty($this->_req_data['orderby']) ? $orderby_field : $this->_req_data['orderby'];
+		$query_params['order_by'] = array($field_to_order_by => $order);
+		$search_string            = array_key_exists('s', $this->_req_data) ? $this->_req_data['s'] : null;
+		if (! empty($search_string)) {
+			if ($model instanceof EEM_Question_Group) {
+				$query_params[0] = array(
+					'OR' => array(
+						'QSG_name' => array('LIKE', "%$search_string%"),
+						'QSG_desc' => array('LIKE', "%$search_string%"),
+					),
+				);
+			} else {
+				$query_params[0] = array(
+					'QST_display_text' => array('LIKE', "%$search_string%"),
+				);
+			}
+		}
+
+		//capability checks (just leaving this commented out for reference because it illustrates some complicated query params that could be useful when fully implemented)
+		/*if ( $model instanceof EEM_Question_Group ) {
             if ( ! EE_Registry::instance()->CAP->current_user_can( 'edit_others_question_groups', 'espresso_registration_form_edit_question_group' ) ) {
                 $query_params[0] = array(
                     'AND' => array(
@@ -647,62 +647,62 @@ 
             }
         }/**/
 
-        return $query_params;
-
-    }
-
-
-    /**
-     * @param int        $per_page
-     * @param int        $current_page
-     * @param bool|false $count
-     * @return \EE_Soft_Delete_Base_Class[]|int
-     */
-    public function get_questions($per_page = 10, $current_page = 1, $count = false)
-    {
-        $QST          = EEM_Question::instance();
-        $query_params = $this->get_query_params($QST, $per_page, $current_page);
-        if ($count) {
-            $where   = isset($query_params[0]) ? array($query_params[0]) : array();
-            $results = $QST->count($where);
-        } else {
-            $results = $QST->get_all($query_params);
-        }
-        return $results;
-
-    }
-
-
-    /**
-     * @param            $per_page
-     * @param int        $current_page
-     * @param bool|false $count
-     * @return \EE_Soft_Delete_Base_Class[]|int
-     */
-    public function get_trashed_questions($per_page, $current_page = 1, $count = false)
-    {
-        $query_params = $this->get_query_params(EEM_Question::instance(), $per_page, $current_page);
-        $where        = isset($query_params[0]) ? array($query_params[0]) : array();
-        $questions    = $count ? EEM_Question::instance()->count_deleted($where) : EEM_Question::instance()->get_all_deleted($query_params);
-        return $questions;
-    }
-
-
-    /**
-     * @param            $per_page
-     * @param int        $current_page
-     * @param bool|false $count
-     * @return \EE_Soft_Delete_Base_Class[]
-     */
-    public function get_question_groups($per_page, $current_page = 1, $count = false)
-    {
-        /** @type EEM_Question_Group $questionGroupModel */
-        $questionGroupModel = EEM_Question_Group::instance();
-        //note: this a subclass of EEM_Soft_Delete_Base, so this is actually only getting non-trashed items
-        return $questionGroupModel->get_all(
-            $this->get_query_params($questionGroupModel, $per_page, $current_page)
-        );
-    }
+		return $query_params;
+
+	}
+
+
+	/**
+	 * @param int        $per_page
+	 * @param int        $current_page
+	 * @param bool|false $count
+	 * @return \EE_Soft_Delete_Base_Class[]|int
+	 */
+	public function get_questions($per_page = 10, $current_page = 1, $count = false)
+	{
+		$QST          = EEM_Question::instance();
+		$query_params = $this->get_query_params($QST, $per_page, $current_page);
+		if ($count) {
+			$where   = isset($query_params[0]) ? array($query_params[0]) : array();
+			$results = $QST->count($where);
+		} else {
+			$results = $QST->get_all($query_params);
+		}
+		return $results;
+
+	}
+
+
+	/**
+	 * @param            $per_page
+	 * @param int        $current_page
+	 * @param bool|false $count
+	 * @return \EE_Soft_Delete_Base_Class[]|int
+	 */
+	public function get_trashed_questions($per_page, $current_page = 1, $count = false)
+	{
+		$query_params = $this->get_query_params(EEM_Question::instance(), $per_page, $current_page);
+		$where        = isset($query_params[0]) ? array($query_params[0]) : array();
+		$questions    = $count ? EEM_Question::instance()->count_deleted($where) : EEM_Question::instance()->get_all_deleted($query_params);
+		return $questions;
+	}
+
+
+	/**
+	 * @param            $per_page
+	 * @param int        $current_page
+	 * @param bool|false $count
+	 * @return \EE_Soft_Delete_Base_Class[]
+	 */
+	public function get_question_groups($per_page, $current_page = 1, $count = false)
+	{
+		/** @type EEM_Question_Group $questionGroupModel */
+		$questionGroupModel = EEM_Question_Group::instance();
+		//note: this a subclass of EEM_Soft_Delete_Base, so this is actually only getting non-trashed items
+		return $questionGroupModel->get_all(
+			$this->get_query_params($questionGroupModel, $per_page, $current_page)
+		);
+	}
 
 
 } //ends Registration_Form_Admin_Page class

Spacing +27 added lines, -27 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('NO direct script access allowed');
 }
 
@@ -66,8 +66,8 @@ 
      */
     public function __construct($routing = true)
     {
-        require_once(EE_MODELS . 'EEM_Question.model.php');
-        require_once(EE_MODELS . 'EEM_Question_Group.model.php');
+        require_once(EE_MODELS.'EEM_Question.model.php');
+        require_once(EE_MODELS.'EEM_Question_Group.model.php');
         $this->_question_model       = EEM_Question::instance();
         $this->_question_group_model = EEM_Question_Group::instance();
         parent::__construct($routing);
@@ -232,7 +232,7 @@ 
     public function load_scripts_styles()
     {
         wp_register_style('espresso_registration',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
+            REGISTRATION_FORM_ASSETS_URL.'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
         wp_enqueue_style('espresso_registration');
     }
 
@@ -258,7 +258,7 @@ 
     {
         $this->load_scripts_styles_forms();
         wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+            REGISTRATION_FORM_ASSETS_URL.'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
             EVENT_ESPRESSO_VERSION, true);
         wp_enqueue_script('espresso_registration_form_single');
     }
@@ -267,7 +267,7 @@ 
     {
         $this->load_scripts_styles_forms();
         wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+            REGISTRATION_FORM_ASSETS_URL.'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
             EVENT_ESPRESSO_VERSION, true);
         wp_enqueue_script('espresso_registration_form_single');
     }
@@ -275,7 +275,7 @@ 
 
     public function recaptcha_info_help_tab()
     {
-        $template = REGISTRATION_FORM_TEMPLATE_PATH . 'recaptcha_info_help_tab.template.php';
+        $template = REGISTRATION_FORM_TEMPLATE_PATH.'recaptcha_info_help_tab.template.php';
         EEH_Template::display_template($template, array());
     }
 
@@ -324,10 +324,10 @@ 
     protected function _questions_groups_preview()
     {
         $this->_admin_page_title              = esc_html__('Question Groups (Preview)', 'event_espresso');
-        $this->_template_args['preview_img']  = '<img src="' . REGISTRATION_FORM_ASSETS_URL . 'caf_reg_form_preview.jpg" alt="' . esc_attr__('Preview Question Groups Overview List Table screenshot',
-                'event_espresso') . '" />';
-        $this->_template_args['preview_text'] = '<strong>' . esc_html__('Question Groups 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 Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
-                'event_espresso') . '</strong>';
+        $this->_template_args['preview_img']  = '<img src="'.REGISTRATION_FORM_ASSETS_URL.'caf_reg_form_preview.jpg" alt="'.esc_attr__('Preview Question Groups Overview List Table screenshot',
+                'event_espresso').'" />';
+        $this->_template_args['preview_text'] = '<strong>'.esc_html__('Question Groups 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 Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
+                'event_espresso').'</strong>';
         $this->display_admin_caf_preview_page('question_groups_tab');
     }
 
@@ -345,20 +345,20 @@ 
 
         //some initial checks for proper values.
         //if QST_admin_only, then no matter what QST_required is we disable.
-        if (! empty($this->_req_data['QST_admin_only'])) {
+        if ( ! empty($this->_req_data['QST_admin_only'])) {
             $this->_req_data['QST_required'] = 0;
         }
         foreach ($model->field_settings() as $fieldName => $settings) {
             // basically if QSG_identifier is empty or not set
             if ($fieldName === 'QSG_identifier' && (isset($this->_req_data['QSG_identifier']) && empty($this->_req_data['QSG_identifier']))) {
                 $QSG_name                      = isset($this->_req_data['QSG_name']) ? $this->_req_data['QSG_name'] : '';
-                $set_column_values[$fieldName] = sanitize_title($QSG_name) . '-' . uniqid('', true);
+                $set_column_values[$fieldName] = sanitize_title($QSG_name).'-'.uniqid('', true);
 //				dd($set_column_values);
             } //if the admin label is blank, use a slug version of the question text
             else if ($fieldName === 'QST_admin_label' && (isset($this->_req_data['QST_admin_label']) && empty($this->_req_data['QST_admin_label']))) {
                 $QST_text                      = isset($this->_req_data['QST_display_text']) ? $this->_req_data['QST_display_text'] : '';
                 $set_column_values[$fieldName] = sanitize_title(wp_trim_words($QST_text, 10));
-            } else if ($fieldName === 'QST_admin_only' && (! isset($this->_req_data['QST_admin_only']))) {
+            } else if ($fieldName === 'QST_admin_only' && ( ! isset($this->_req_data['QST_admin_only']))) {
                 $set_column_values[$fieldName] = 0;
             } else if ($fieldName === 'QST_max') {
                 $qst_system = EEM_Question::instance()->get_var(
@@ -368,7 +368,7 @@ 
                         ),
                     ),
                     'QST_system');
-                $max_max    = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
+                $max_max = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
                 if (empty($this->_req_data['QST_max']) ||
                     $this->_req_data['QST_max'] > $max_max
                 ) {
@@ -386,7 +386,7 @@ 
             }
 
         }
-        return $set_column_values;//validation fo this data to be performed by the model before insertion.
+        return $set_column_values; //validation fo this data to be performed by the model before insertion.
     }
 
 
@@ -420,7 +420,7 @@ 
         }
 
         // add PRC_ID to title if editing
-        $this->_admin_page_title = $ID ? $this->_admin_page_title . ' # ' . $ID : $this->_admin_page_title;
+        $this->_admin_page_title = $ID ? $this->_admin_page_title.' # '.$ID : $this->_admin_page_title;
         if ($ID) {
             $question                 = $this->_question_model->get_one_by_ID($ID);
             $additional_hidden_fields = array('QST_ID' => array('type' => 'hidden', 'value' => $ID));
@@ -430,7 +430,7 @@ 
             $question->set_order_to_latest();
             $this->_set_add_edit_form_tags('insert_question');
         }
-        if( $question->system_ID() === EEM_Attendee::system_question_phone ){
+        if ($question->system_ID() === EEM_Attendee::system_question_phone) {
             $question_types = array_intersect_key(
                 EEM_Question::instance()->allowed_question_types(),
                 array_flip(
@@ -452,7 +452,7 @@ 
         $this->_template_args['question_type_descriptions'] = $this->_get_question_type_descriptions();
         $this->_set_publish_post_box_vars('id', $ID);
         $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            REGISTRATION_FORM_TEMPLATE_PATH . 'questions_main_meta_box.template.php',
+            REGISTRATION_FORM_TEMPLATE_PATH.'questions_main_meta_box.template.php',
             $this->_template_args, true
         );
 
@@ -480,7 +480,7 @@ 
             }
             $descriptions .= EEH_HTML::p(
                 $question_type_description,
-                'question_type_description-' . $type,
+                'question_type_description-'.$type,
                 'question_type_description description',
                 'display:none;'
             );
@@ -501,8 +501,8 @@ 
             $question = EE_Question::new_instance($set_column_values);
             $action_desc = 'added';
         } else {
-            $question     = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
-            foreach($set_column_values as $field => $new_value) {
+            $question = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
+            foreach ($set_column_values as $field => $new_value) {
                 $question->set($field, $new_value);
             }
             $action_desc = 'updated';
@@ -513,8 +513,8 @@ 
             //save the related options
             //trash removed options, save old ones
             //get list of all options
-            $options  = $question->options();
-            if (! empty($options)) {
+            $options = $question->options();
+            if ( ! empty($options)) {
                 foreach ($options as $option_ID => $option) {
                     $option_req_index = $this->_get_option_req_data_index($option_ID);
                     if ($option_req_index !== false) {
@@ -528,7 +528,7 @@ 
             //save new related options
             foreach ($this->_req_data['question_options'] as $index => $option_req_data) {
                 //skip $index that is from our sample
-                if ( $index === 'xxcountxx' ) {
+                if ($index === 'xxcountxx') {
                     continue;
                 }
                 //note we allow saving blank options.
@@ -569,7 +569,7 @@ 
     {
         $req_data_for_question_options = $this->_req_data['question_options'];
         foreach ($req_data_for_question_options as $num => $option_data) {
-            if (array_key_exists('QSO_ID', $option_data) && (int)$option_data['QSO_ID'] === $ID) {
+            if (array_key_exists('QSO_ID', $option_data) && (int) $option_data['QSO_ID'] === $ID) {
                 return $num;
             }
         }
@@ -601,7 +601,7 @@ 
         $field_to_order_by        = empty($this->_req_data['orderby']) ? $orderby_field : $this->_req_data['orderby'];
         $query_params['order_by'] = array($field_to_order_by => $order);
         $search_string            = array_key_exists('s', $this->_req_data) ? $this->_req_data['s'] : null;
-        if (! empty($search_string)) {
+        if ( ! empty($search_string)) {
             if ($model instanceof EEM_Question_Group) {
                 $query_params[0] = array(
                     'OR' => array(

modules/messages/EED_Messages.module.php

Indentation +1239 added lines, -1239 removed lines

@@ -18,1254 +18,1254 @@
 class EED_Messages extends EED_Module
 {
 
-    /**
-     * This holds the EE_messages controller
-     *
-     * @deprecated 4.9.0
-     * @var EE_messages $_EEMSG
-     */
-    protected static $_EEMSG;
-
-    /**
-     * @type EE_Message_Resource_Manager $_message_resource_manager
-     */
-    protected static $_message_resource_manager;
-
-    /**
-     * This holds the EE_Messages_Processor business class.
-     *
-     * @type EE_Messages_Processor
-     */
-    protected static $_MSG_PROCESSOR;
-
-    /**
-     * holds all the paths for various messages components.
-     * Utilized by autoloader registry
-     *
-     * @var array
-     */
-    protected static $_MSG_PATHS;
-
-
-    /**
-     * This will hold an array of messages template packs that are registered in the messages system.
-     * Format is:
-     * array(
-     *    'template_pack_dbref' => EE_Messages_Template_Pack (instance)
-     * )
-     *
-     * @var EE_Messages_Template_Pack[]
-     */
-    protected static $_TMP_PACKS = array();
-
-
-    /**
-     * @return EED_Messages
-     */
-    public static function instance()
-    {
-        return parent::get_instance(__CLASS__);
-    }
-
-
-    /**
-     *  set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @since 4.5.0
-     * @return    void
-     */
-    public static function set_hooks()
-    {
-        //actions
-        add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
-        add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
-            array('EED_Messages', 'maybe_registration'), 10, 2);
-        //filters
-        add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-        add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-        //register routes
-        self::_register_routes();
-    }
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function set_hooks_admin()
-    {
-        //actions
-        add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
-        add_action('AHEE__Transactions_Admin_Page___send_payment_reminder__process_admin_payment_reminder',
-            array('EED_Messages', 'payment_reminder'), 10);
-        add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
-            array('EED_Messages', 'maybe_registration'), 10, 3);
-        add_action('AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send__with_registrations',
-            array('EED_Messages', 'send_newsletter_message'), 10, 2);
-        add_action('AHEE__EES_Espresso_Cancelled__process_shortcode__transaction',
-            array('EED_Messages', 'cancelled_registration'), 10);
-        add_action('AHEE__EE_Admin_Page___process_admin_payment_notification',
-            array('EED_Messages', 'process_admin_payment'), 10, 1);
-        //filters
-        add_filter('FHEE__EE_Admin_Page___process_resend_registration__success',
-            array('EED_Messages', 'process_resend'), 10, 2);
-        add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-        add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-    }
-
-
-    /**
-     * All the message triggers done by route go in here.
-     *
-     * @since 4.5.0
-     * @return void
-     */
-    protected static function _register_routes()
-    {
-        EE_Config::register_route('msg_url_trigger', 'Messages', 'run');
-        EE_Config::register_route('msg_cron_trigger', 'Messages', 'execute_batch_request');
-        EE_Config::register_route('msg_browser_trigger', 'Messages', 'browser_trigger');
-        EE_Config::register_route('msg_browser_error_trigger', 'Messages', 'browser_error_trigger');
-        do_action('AHEE__EED_Messages___register_routes');
-    }
-
-
-    /**
-     * This is called when a browser display trigger is executed.
-     * The browser display trigger is typically used when a already generated message is displayed directly in the
-     * browser.
-     *
-     * @since 4.9.0
-     * @param WP $WP
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function browser_trigger($WP)
-    {
-        //ensure controller is loaded
-        self::_load_controller();
-        $token = EE_Registry::instance()->REQ->get('token');
-        try {
-            $mtg = new EE_Message_Generated_From_Token($token, 'html', self::$_message_resource_manager);
-            self::$_MSG_PROCESSOR->generate_and_send_now($mtg);
-        } catch (EE_Error $e) {
-            $error_msg = __('Please note that a system message failed to send due to a technical issue.',
-                'event_espresso');
-            // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
-            EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     * This is called when a browser error trigger is executed.
-     * When triggered this will grab the EE_Message matching the token in the request and use that to get the error
-     * message and display it.
-     *
-     * @since 4.9.0
-     * @param $WP
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function browser_error_trigger($WP)
-    {
-        $token = EE_Registry::instance()->REQ->get('token');
-        if ($token) {
-            $message = EEM_Message::instance()->get_one_by_token($token);
-            if ($message instanceof EE_Message) {
-                header('HTTP/1.1 200 OK');
-                $error_msg = nl2br($message->error_message());
-                ?>
+	/**
+	 * This holds the EE_messages controller
+	 *
+	 * @deprecated 4.9.0
+	 * @var EE_messages $_EEMSG
+	 */
+	protected static $_EEMSG;
+
+	/**
+	 * @type EE_Message_Resource_Manager $_message_resource_manager
+	 */
+	protected static $_message_resource_manager;
+
+	/**
+	 * This holds the EE_Messages_Processor business class.
+	 *
+	 * @type EE_Messages_Processor
+	 */
+	protected static $_MSG_PROCESSOR;
+
+	/**
+	 * holds all the paths for various messages components.
+	 * Utilized by autoloader registry
+	 *
+	 * @var array
+	 */
+	protected static $_MSG_PATHS;
+
+
+	/**
+	 * This will hold an array of messages template packs that are registered in the messages system.
+	 * Format is:
+	 * array(
+	 *    'template_pack_dbref' => EE_Messages_Template_Pack (instance)
+	 * )
+	 *
+	 * @var EE_Messages_Template_Pack[]
+	 */
+	protected static $_TMP_PACKS = array();
+
+
+	/**
+	 * @return EED_Messages
+	 */
+	public static function instance()
+	{
+		return parent::get_instance(__CLASS__);
+	}
+
+
+	/**
+	 *  set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @since 4.5.0
+	 * @return    void
+	 */
+	public static function set_hooks()
+	{
+		//actions
+		add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
+		add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
+			array('EED_Messages', 'maybe_registration'), 10, 2);
+		//filters
+		add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+		add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+		//register routes
+		self::_register_routes();
+	}
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function set_hooks_admin()
+	{
+		//actions
+		add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
+		add_action('AHEE__Transactions_Admin_Page___send_payment_reminder__process_admin_payment_reminder',
+			array('EED_Messages', 'payment_reminder'), 10);
+		add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
+			array('EED_Messages', 'maybe_registration'), 10, 3);
+		add_action('AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send__with_registrations',
+			array('EED_Messages', 'send_newsletter_message'), 10, 2);
+		add_action('AHEE__EES_Espresso_Cancelled__process_shortcode__transaction',
+			array('EED_Messages', 'cancelled_registration'), 10);
+		add_action('AHEE__EE_Admin_Page___process_admin_payment_notification',
+			array('EED_Messages', 'process_admin_payment'), 10, 1);
+		//filters
+		add_filter('FHEE__EE_Admin_Page___process_resend_registration__success',
+			array('EED_Messages', 'process_resend'), 10, 2);
+		add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+		add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+	}
+
+
+	/**
+	 * All the message triggers done by route go in here.
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 */
+	protected static function _register_routes()
+	{
+		EE_Config::register_route('msg_url_trigger', 'Messages', 'run');
+		EE_Config::register_route('msg_cron_trigger', 'Messages', 'execute_batch_request');
+		EE_Config::register_route('msg_browser_trigger', 'Messages', 'browser_trigger');
+		EE_Config::register_route('msg_browser_error_trigger', 'Messages', 'browser_error_trigger');
+		do_action('AHEE__EED_Messages___register_routes');
+	}
+
+
+	/**
+	 * This is called when a browser display trigger is executed.
+	 * The browser display trigger is typically used when a already generated message is displayed directly in the
+	 * browser.
+	 *
+	 * @since 4.9.0
+	 * @param WP $WP
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function browser_trigger($WP)
+	{
+		//ensure controller is loaded
+		self::_load_controller();
+		$token = EE_Registry::instance()->REQ->get('token');
+		try {
+			$mtg = new EE_Message_Generated_From_Token($token, 'html', self::$_message_resource_manager);
+			self::$_MSG_PROCESSOR->generate_and_send_now($mtg);
+		} catch (EE_Error $e) {
+			$error_msg = __('Please note that a system message failed to send due to a technical issue.',
+				'event_espresso');
+			// add specific message for developers if WP_DEBUG in on
+			$error_msg .= '||' . $e->getMessage();
+			EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 * This is called when a browser error trigger is executed.
+	 * When triggered this will grab the EE_Message matching the token in the request and use that to get the error
+	 * message and display it.
+	 *
+	 * @since 4.9.0
+	 * @param $WP
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function browser_error_trigger($WP)
+	{
+		$token = EE_Registry::instance()->REQ->get('token');
+		if ($token) {
+			$message = EEM_Message::instance()->get_one_by_token($token);
+			if ($message instanceof EE_Message) {
+				header('HTTP/1.1 200 OK');
+				$error_msg = nl2br($message->error_message());
+				?>
                 <!DOCTYPE html>
                 <html>
                 <head></head>
                 <body>
                 <?php echo empty($error_msg)
-                    ? esc_html__('Unfortunately, we were unable to capture the error message for this message.',
-                        'event_espresso')
-                    : wp_kses(
-                        $error_msg,
-                        array(
-                            'a'      => array(
-                                'href'  => array(),
-                                'title' => array(),
-                            ),
-                            'span'   => array(),
-                            'div'    => array(),
-                            'p'      => array(),
-                            'strong' => array(),
-                            'em'     => array(),
-                            'br'     => array(),
-                        )
-                    ); ?>
+					? esc_html__('Unfortunately, we were unable to capture the error message for this message.',
+						'event_espresso')
+					: wp_kses(
+						$error_msg,
+						array(
+							'a'      => array(
+								'href'  => array(),
+								'title' => array(),
+							),
+							'span'   => array(),
+							'div'    => array(),
+							'p'      => array(),
+							'strong' => array(),
+							'em'     => array(),
+							'br'     => array(),
+						)
+					); ?>
                 </body>
                 </html>
                 <?php
-                exit;
-            }
-        }
-        return;
-    }
-
-
-    /**
-     *  This runs when the msg_url_trigger route has initiated.
-     *
-     * @since 4.5.0
-     * @param WP $WP
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function run($WP)
-    {
-        //ensure controller is loaded
-        self::_load_controller();
-        // attempt to process message
-        try {
-            /** @type EE_Message_To_Generate_From_Request $message_to_generate */
-            $message_to_generate = EE_Registry::instance()->load_lib('Message_To_Generate_From_Request');
-            self::$_MSG_PROCESSOR->generate_and_send_now($message_to_generate);
-        } catch (EE_Error $e) {
-            $error_msg = __('Please note that a system message failed to send due to a technical issue.',
-                'event_espresso');
-            // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
-            EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     * This is triggered by the 'msg_cron_trigger' route.
-     *
-     * @param WP $WP
-     */
-    public function execute_batch_request($WP)
-    {
-        $this->run_cron();
-        header('HTTP/1.1 200 OK');
-        exit();
-    }
-
-
-    /**
-     * This gets executed on wp_cron jobs or when a batch request is initiated on its own separate non regular wp
-     * request.
-     */
-    public function run_cron()
-    {
-        self::_load_controller();
-        //get required vars
-        $cron_type     = EE_Registry::instance()->REQ->get('type');
-        $transient_key = EE_Registry::instance()->REQ->get('key');
-
-        //now let's verify transient, if not valid exit immediately
-        if (! get_transient($transient_key)) {
-            /**
-             * trigger error so this gets in the error logs.  This is important because it happens on a non-user
-             * request.
-             */
-            trigger_error(esc_attr__('Invalid Request (Transient does not exist)', 'event_espresso'));
-        }
-
-        //if made it here, lets' delete the transient to keep the db clean
-        delete_transient($transient_key);
-
-        if (apply_filters('FHEE__EED_Messages__run_cron__use_wp_cron', true)) {
-
-            $method = 'batch_' . $cron_type . '_from_queue';
-            if (method_exists(self::$_MSG_PROCESSOR, $method)) {
-                self::$_MSG_PROCESSOR->$method();
-            } else {
-                //no matching task
-                /**
-                 * trigger error so this gets in the error logs.  This is important because it happens on a non user
-                 * request.
-                 */
-                trigger_error(esc_attr(sprintf(__('There is no task corresponding to this route %s', 'event_espresso'),
-                    $cron_type)));
-            }
-        }
-
-        do_action('FHEE__EED_Messages__run_cron__end');
-    }
-
-
-    /**
-     * This is used to retrieve the template pack for the given name.
-     * Retrieved packs are cached on the static $_TMP_PACKS array.  If there is no class matching the given name then
-     * the default template pack is returned.
-     *
-     * @deprecated 4.9.0  @see EEH_MSG_Template::get_template_pack()
-     * @param string $template_pack_name This should correspond to the dbref of the template pack (which is also used
-     *                                   in generating the Pack class name).
-     * @return EE_Messages_Template_Pack
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_template_pack($template_pack_name)
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        return EEH_MSG_Template::get_template_pack($template_pack_name);
-    }
-
-
-    /**
-     * Retrieves an array of all template packs.
-     * Array is in the format array( 'dbref' => EE_Messages_Template_Pack )
-     *
-     * @deprecated 4.9.0  @see EEH_MSG_Template_Pack::get_template_pack_collection
-     * @return EE_Messages_Template_Pack[]
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_template_packs()
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-
-        //for backward compat, let's make sure this returns in the same format as originally.
-        $template_pack_collection = EEH_MSG_Template::get_template_pack_collection();
-        $template_pack_collection->rewind();
-        $template_packs = array();
-        while ($template_pack_collection->valid()) {
-            $template_packs[$template_pack_collection->current()->dbref] = $template_pack_collection->current();
-            $template_pack_collection->next();
-        }
-        return $template_packs;
-    }
-
-
-    /**
-     * This simply makes sure the autoloaders are registered for the EE_messages system.
-     *
-     * @since 4.5.0
-     * @return void
-     * @throws EE_Error
-     */
-    public static function set_autoloaders()
-    {
-        if (empty(self::$_MSG_PATHS)) {
-            self::_set_messages_paths();
-            foreach (self::$_MSG_PATHS as $path) {
-                EEH_Autoloader::register_autoloaders_for_each_file_in_folder($path);
-            }
-            // add aliases
-            EEH_Autoloader::add_alias('EE_messages', 'EE_messages');
-            EEH_Autoloader::add_alias('EE_messenger', 'EE_messenger');
-        }
-    }
-
-
-    /**
-     * Take care of adding all the paths for the messages components to the $_MSG_PATHS property
-     * for use by the Messages Autoloaders
-     *
-     * @since 4.5.0
-     * @return void.
-     */
-    protected static function _set_messages_paths()
-    {
-        $dir_ref = array(
-            'messages/message_type',
-            'messages/messenger',
-            'messages/defaults',
-            'messages/defaults/email',
-            'messages/data_class',
-            'messages/validators',
-            'messages/validators/email',
-            'messages/validators/html',
-            'shortcodes',
-        );
-        $paths   = array();
-        foreach ($dir_ref as $index => $dir) {
-            $paths[$index] = EE_LIBRARIES . $dir;
-        }
-        self::$_MSG_PATHS = apply_filters('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', $paths);
-    }
-
-
-    /**
-     * Takes care of loading dependencies
-     *
-     * @since 4.5.0
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function _load_controller()
-    {
-        if (! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
-            EE_Registry::instance()->load_core('Request_Handler');
-            self::set_autoloaders();
-            self::$_EEMSG                    = EE_Registry::instance()->load_lib('messages');
-            self::$_MSG_PROCESSOR            = EE_Registry::instance()->load_lib('Messages_Processor');
-            self::$_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        }
-    }
-
-
-    /**
-     * @param EE_Transaction $transaction
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function payment_reminder(EE_Transaction $transaction)
-    {
-        self::_load_controller();
-        $data = array($transaction, null);
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers('payment_reminder', $data);
-    }
-
-
-    /**
-     * Any messages triggers for after successful gateway payments should go in here.
-     *
-     * @param EE_Transaction $transaction object
-     * @param EE_Payment|null     $payment     object
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function payment(EE_Transaction $transaction, EE_Payment $payment = null)
-    {
-        //if there's no payment object, then we cannot do a payment type message!
-        if (! $payment instanceof EE_Payment) {
-            return;
-        }
-        self::_load_controller();
-        $data = array($transaction, $payment);
-        EE_Registry::instance()->load_helper('MSG_Template');
-        $message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
-        //if payment amount is less than 0 then switch to payment_refund message type.
-        $message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
-    }
-
-
-    /**
-     * @param EE_Transaction $transaction
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function cancelled_registration(EE_Transaction $transaction)
-    {
-        self::_load_controller();
-        $data = array($transaction, null);
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers('cancelled_registration', $data);
-    }
-
-
-
-    /**
-     * Trigger for Registration messages
-     * Note that what registration message type is sent depends on what the reg status is for the registrations on the
-     * incoming transaction.
-     *
-     * @param EE_Registration $registration
-     * @param array           $extra_details
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws EntityNotFoundException
-     */
-    public static function maybe_registration(EE_Registration $registration, $extra_details = array())
-    {
-
-        if (! self::_verify_registration_notification_send($registration, $extra_details)) {
-            //no messages please
-            return;
-        }
-
-        // get all non-trashed registrations so we make sure we send messages for the right status.
-        $all_registrations = $registration->transaction()->registrations(
-            array(
-                array('REG_deleted' => false),
-                'order_by' => array(
-                    'Event.EVT_name'     => 'ASC',
-                    'Attendee.ATT_lname' => 'ASC',
-                    'Attendee.ATT_fname' => 'ASC'
-                )
-            )
-        );
-        //cached array of statuses so we only trigger messages once per status.
-        $statuses_sent = array();
-        self::_load_controller();
-        $mtgs = array();
-
-        //loop through registrations and trigger messages once per status.
-        foreach ($all_registrations as $reg) {
-
-            //already triggered?
-            if (in_array($reg->status_ID(), $statuses_sent)) {
-                continue;
-            }
-
-            $message_type    = EEH_MSG_Template::convert_reg_status_to_message_type($reg->status_ID());
-            $mtgs            = array_merge(
-                    $mtgs,
-                    self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
-                            $message_type,
-                            array($registration->transaction(), null, $reg->status_ID())
-                    )
-            );
-            $statuses_sent[] = $reg->status_ID();
-        }
-
-        if (count($statuses_sent) > 1) {
-            $mtgs = array_merge(
-                $mtgs,
-                self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
-                    'registration_summary',
-                    array($registration->transaction(), null)
-                )
-            );
-        }
-
-        //batch queue and initiate request
-        self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($mtgs);
-        self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
-    }
-
-
-    /**
-     * This is a helper method used to very whether a registration notification should be sent or
-     * not.  Prevents duplicate notifications going out for registration context notifications.
-     *
-     * @param EE_Registration $registration  [description]
-     * @param array           $extra_details [description]
-     * @return bool          true = send away, false = nope halt the presses.
-     */
-    protected static function _verify_registration_notification_send(
-        EE_Registration $registration,
-        $extra_details = array()
-    ) {
-        //self::log(
-        //	__CLASS__, __FUNCTION__, __LINE__,
-        //	$registration->transaction(),
-        //	array( '$extra_details' => $extra_details )
-        //);
-        // currently only using this to send messages for the primary registrant
-        if (! $registration->is_primary_registrant()) {
-            return false;
-        }
-        // first we check if we're in admin and not doing front ajax
-        if (is_admin() && ! EE_FRONT_AJAX) {
-            //make sure appropriate admin params are set for sending messages
-            if (empty($_REQUEST['txn_reg_status_change']['send_notifications']) || ! absint($_REQUEST['txn_reg_status_change']['send_notifications'])) {
-                //no messages sent please.
-                return false;
-            }
-        } else {
-            // frontend request (either regular or via AJAX)
-            // TXN is NOT finalized ?
-            if (! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
-                return false;
-            }
-            // return visit but nothing changed ???
-            if (
-                isset($extra_details['revisit'], $extra_details['status_updates']) &&
-                $extra_details['revisit'] && ! $extra_details['status_updates']
-            ) {
-                return false;
-            }
-            // NOT sending messages && reg status is something other than "Not-Approved"
-            if (
-                ! apply_filters('FHEE__EED_Messages___maybe_registration__deliver_notifications', false) &&
-                $registration->status_ID() !== EEM_Registration::status_id_not_approved
-            ) {
-                return false;
-            }
-        }
-        // release the kraken
-        return true;
-    }
-
-
-    /**
-     * Simply returns an array indexed by Registration Status ID and the related message_type name associated with that
-     * status id.
-     *
-     * @deprecated 4.9.0  Use EEH_MSG_Template::reg_status_to_message_type_array()
-     *                    or EEH_MSG_Template::convert_reg_status_to_message_type
-     * @param string $reg_status
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function _get_reg_status_array($reg_status = '')
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        return EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
-            ? EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
-            : EEH_MSG_Template::reg_status_to_message_type_array();
-    }
-
-
-    /**
-     * Simply returns the payment message type for the given payment status.
-     *
-     * @deprecated 4.9.0 Use EEH_MSG_Template::payment_status_to_message_type_array
-     *                   or EEH_MSG_Template::convert_payment_status_to_message_type
-     * @param string $payment_status The payment status being matched.
-     * @return bool|string The payment message type slug matching the status or false if no match.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function _get_payment_message_type($payment_status)
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        return EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
-            ? EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
-            : false;
-    }
-
-
-    /**
-     * Message triggers for a resending already sent message(s) (via EE_Message list table)
-     *
-     * @access public
-     * @param array $req_data This is the $_POST & $_GET data sent from EE_Admin Pages
-     * @return bool success/fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function process_resend($req_data)
-    {
-        self::_load_controller();
-
-        //if $msgID in this request then skip to the new resend_message
-        if (EE_Registry::instance()->REQ->get('MSG_ID')) {
-            return self::resend_message();
-        }
-
-        //make sure any incoming request data is set on the REQ so that it gets picked up later.
-        $req_data = (array)$req_data;
-        foreach ($req_data as $request_key => $request_value) {
-            EE_Registry::instance()->REQ->set($request_key, $request_value);
-        }
-
-        if (! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
-            return false;
-        }
-
-        try {
-            self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($messages_to_send);
-            self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
-        } catch (EE_Error $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        EE_Error::add_success(
-            __('Messages have been successfully queued for generation and sending.', 'event_espresso')
-        );
-        return true; //everything got queued.
-    }
-
-
-    /**
-     * Message triggers for a resending already sent message(s) (via EE_Message list table)
-     *
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function resend_message()
-    {
-        self::_load_controller();
-
-        $msgID = EE_Registry::instance()->REQ->get('MSG_ID');
-        if (! $msgID) {
-            EE_Error::add_error(__('Something went wrong because there is no "MSG_ID" value in the request',
-                'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-
-        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array)$msgID);
-
-        //setup success message.
-        $count_ready_for_resend = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
-        EE_Error::add_success(sprintf(
-            _n(
-                'There was %d message queued for resending.',
-                'There were %d messages queued for resending.',
-                $count_ready_for_resend,
-                'event_espresso'
-            ),
-            $count_ready_for_resend
-        ));
-        return true;
-    }
-
-
-    /**
-     * Message triggers for manual payment applied by admin
-     *
-     * @param  EE_Payment $payment EE_payment object
-     * @return bool success/fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function process_admin_payment(EE_Payment $payment)
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        //we need to get the transaction object
-        $transaction = $payment->transaction();
-        if ($transaction instanceof EE_Transaction) {
-            $data         = array($transaction, $payment);
-            $message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
-
-            //if payment amount is less than 0 then switch to payment_refund message type.
-            $message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
-
-            //if payment_refund is selected, but the status is NOT accepted.  Then change message type to false so NO message notification goes out.
-            $message_type = $message_type == 'payment_refund' && $payment->STS_ID() != EEM_Payment::status_id_approved ? false : $message_type;
-
-            self::_load_controller();
-
-            self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
-
-            //get count of queued for generation
-            $count_to_generate = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(array(
-                EEM_Message::status_incomplete,
-                EEM_Message::status_idle,
-            ));
-
-            if ($count_to_generate > 0 && self::$_MSG_PROCESSOR->get_queue()->get_message_repository()->count() !== 0) {
-                add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
-                return true;
-            } else {
-                $count_failed = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::instance()->stati_indicating_failed_sending());
-                /**
-                 * Verify that there are actually errors.  If not then we return a success message because the queue might have been emptied due to successful
-                 * IMMEDIATE generation.
-                 */
-                if ($count_failed > 0) {
-                    EE_Error::add_error(sprintf(
-                        _n(
-                            'The payment notification generation failed.',
-                            '%d payment notifications failed being sent.',
-                            $count_failed,
-                            'event_espresso'
-                        ),
-                        $count_failed
-                    ), __FILE__, __FUNCTION__, __LINE__);
-
-                    return false;
-                } else {
-                    add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
-                    return true;
-                }
-            }
-        } else {
-            EE_Error::add_error(
-                'Unable to generate the payment notification because the given value for the transaction is invalid.',
-                'event_espresso'
-            );
-            return false;
-        }
-    }
-
-
-    /**
-     * Callback for AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send_with_registrations trigger
-     *
-     * @since   4.3.0
-     * @param  EE_Registration[] $registrations an array of EE_Registration objects
-     * @param  int               $grp_id        a specific message template group id.
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function send_newsletter_message($registrations, $grp_id)
-    {
-        //make sure mtp is id and set it in the EE_Request Handler later messages setup.
-        EE_Registry::instance()->REQ->set('GRP_ID', (int)$grp_id);
-        self::_load_controller();
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers('newsletter', $registrations);
-    }
-
-
-    /**
-     * Callback for FHEE__EE_Registration__invoice_url__invoice_url or FHEE__EE_Registration__receipt_url__receipt_url
-     *
-     * @since   4.3.0
-     * @param    string          $registration_message_trigger_url
-     * @param    EE_Registration $registration
-     * @param string             $messenger
-     * @param string             $message_type
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function registration_message_trigger_url(
-        $registration_message_trigger_url,
-        EE_Registration $registration,
-        $messenger = 'html',
-        $message_type = 'invoice'
-    ) {
-        // whitelist $messenger
-        switch ($messenger) {
-            case 'pdf' :
-                $sending_messenger    = 'pdf';
-                $generating_messenger = 'html';
-                break;
-            case 'html' :
-            default :
-                $sending_messenger    = 'html';
-                $generating_messenger = 'html';
-                break;
-        }
-        // whitelist $message_type
-        switch ($message_type) {
-            case 'receipt' :
-                $message_type = 'receipt';
-                break;
-            case 'invoice' :
-            default :
-                $message_type = 'invoice';
-                break;
-        }
-        // verify that both the messenger AND the message type are active
-        if (EEH_MSG_Template::is_messenger_active($sending_messenger) && EEH_MSG_Template::is_mt_active($message_type)) {
-            //need to get the correct message template group for this (i.e. is there a custom invoice for the event this registration is registered for?)
-            $template_query_params = array(
-                'MTP_is_active'    => true,
-                'MTP_messenger'    => $generating_messenger,
-                'MTP_message_type' => $message_type,
-                'Event.EVT_ID'     => $registration->event_ID(),
-            );
-            //get the message template group.
-            $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
-            //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
-                // remove EVT_ID from query params so that global templates get picked up
-                unset($template_query_params['Event.EVT_ID']);
-                //get global template as the fallback
-                $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
-            }
-            //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
-                return '';
-            }
-            // generate the URL
-            $registration_message_trigger_url = EEH_MSG_Template::generate_url_trigger(
-                $sending_messenger,
-                $generating_messenger,
-                'purchaser',
-                $message_type,
-                $registration,
-                $msg_template_group->ID(),
-                $registration->transaction_ID()
-            );
-
-        }
-        return $registration_message_trigger_url;
-    }
-
-
-    /**
-     * Use to generate and return a message preview!
-     *
-     * @param  string $type      This should correspond with a valid message type
-     * @param  string $context   This should correspond with a valid context for the message type
-     * @param  string $messenger This should correspond with a valid messenger.
-     * @param bool    $send      true we will do a test send using the messenger delivery, false we just do a regular
-     *                           preview
-     * @return bool|string The body of the message or if send is requested, sends.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function preview_message($type, $context, $messenger, $send = false)
-    {
-        self::_load_controller();
-        $mtg                     = new EE_Message_To_Generate(
-            $messenger,
-            $type,
-            array(),
-            $context,
-            true
-        );
-        $generated_preview_queue = self::$_MSG_PROCESSOR->generate_for_preview($mtg, $send);
-        if ($generated_preview_queue instanceof EE_Messages_Queue) {
-            //loop through all content for the preview and remove any persisted records.
-            $content = '';
-            foreach ($generated_preview_queue->get_message_repository() as $message) {
-                $content = $message->content();
-                if ($message->ID() > 0 && $message->STS_ID() !== EEM_Message::status_failed) {
-                    $message->delete();
-                }
-            }
-            return $content;
-        } else {
-            return $generated_preview_queue;
-        }
-    }
-
-
-    /**
-     * This is a method that allows for sending a message using a messenger matching the string given and the provided
-     * EE_Message_Queue object.  The EE_Message_Queue object is used to create a single aggregate EE_Message via the
-     * content found in the EE_Message objects in the queue.
-     *
-     * @since 4.9.0
-     * @param string            $messenger            a string matching a valid active messenger in the system
-     * @param string            $message_type         Although it seems contrary to the name of the method, a message
-     *                                                type name is still required to send along the message type to the
-     *                                                messenger because this is used for determining what specific
-     *                                                variations might be loaded for the generated message.
-     * @param EE_Messages_Queue $queue
-     * @param string            $custom_subject       Can be used to set what the custom subject string will be on the
-     *                                                aggregate EE_Message object.
-     * @return bool success or fail.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function send_message_with_messenger_only(
-        $messenger,
-        $message_type,
-        EE_Messages_Queue $queue,
-        $custom_subject = ''
-    ) {
-        self::_load_controller();
-        /** @type EE_Message_To_Generate_From_Queue $message_to_generate */
-        $message_to_generate = EE_Registry::instance()->load_lib(
-            'Message_To_Generate_From_Queue',
-            array(
-                $messenger,
-                $message_type,
-                $queue,
-                $custom_subject,
-            )
-        );
-        return self::$_MSG_PROCESSOR->queue_for_sending($message_to_generate);
-    }
-
-
-    /**
-     * Generates Messages immediately for EE_Message IDs (but only for the correct status for generation)
-     *
-     * @since 4.9.0
-     * @param array $message_ids An array of message ids
-     * @return bool|EE_Messages_Queue false if nothing was generated, EE_Messages_Queue containing generated
-     *                           messages.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function generate_now($message_ids)
-    {
-        self::_load_controller();
-        $messages        = EEM_Message::instance()->get_all(
-            array(
-                0 => array(
-                    'MSG_ID' => array('IN', $message_ids),
-                    'STS_ID' => EEM_Message::status_incomplete,
-                ),
-            )
-        );
-        $generated_queue = false;
-        if ($messages) {
-            $generated_queue = self::$_MSG_PROCESSOR->batch_generate_from_queue($messages);
-        }
-
-        if (! $generated_queue instanceof EE_Messages_Queue) {
-            EE_Error::add_error(
-                __('The messages were not generated. This could mean there is already a batch being generated on a separate request, or because the selected messages are not ready for generation. Please wait a minute or two and try again.',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        return $generated_queue;
-    }
-
-
-    /**
-     * Sends messages immediately for the incoming message_ids that have the status of EEM_Message::status_resend or,
-     * EEM_Message::status_idle
-     *
-     * @since 4.9.0
-     * @param $message_ids
-     * @return bool|EE_Messages_Queue false if no messages sent.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function send_now($message_ids)
-    {
-        self::_load_controller();
-        $messages   = EEM_Message::instance()->get_all(
-            array(
-                0 => array(
-                    'MSG_ID' => array('IN', $message_ids),
-                    'STS_ID' => array(
-                        'IN',
-                        array(EEM_Message::status_idle, EEM_Message::status_resend, EEM_Message::status_retry),
-                    ),
-                ),
-            )
-        );
-        $sent_queue = false;
-        if ($messages) {
-            $sent_queue = self::$_MSG_PROCESSOR->batch_send_from_queue($messages);
-        }
-
-        if (! $sent_queue instanceof EE_Messages_Queue) {
-            EE_Error::add_error(
-                __('The messages were not sent. This could mean there is already a batch being sent on a separate request, or because the selected messages are not sendable. Please wait a minute or two and try again.',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        } else {
-            //can count how many sent by using the messages in the queue
-            $sent_count = $sent_queue->count_STS_in_queue(EEM_Message::instance()->stati_indicating_sent());
-            if ($sent_count > 0) {
-                EE_Error::add_success(
-                    sprintf(
-                        _n(
-                            'There was %d message successfully sent.',
-                            'There were %d messages successfully sent.',
-                            $sent_count,
-                            'event_espresso'
-                        ),
-                        $sent_count
-                    )
-                );
-            } else {
-                EE_Error::overwrite_errors();
-                EE_Error::add_error(
-                    __('No message was sent because of problems with sending. Either all the messages you selected were not a sendable message, they were ALREADY sent on a different scheduled task, or there was an error.
+				exit;
+			}
+		}
+		return;
+	}
+
+
+	/**
+	 *  This runs when the msg_url_trigger route has initiated.
+	 *
+	 * @since 4.5.0
+	 * @param WP $WP
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function run($WP)
+	{
+		//ensure controller is loaded
+		self::_load_controller();
+		// attempt to process message
+		try {
+			/** @type EE_Message_To_Generate_From_Request $message_to_generate */
+			$message_to_generate = EE_Registry::instance()->load_lib('Message_To_Generate_From_Request');
+			self::$_MSG_PROCESSOR->generate_and_send_now($message_to_generate);
+		} catch (EE_Error $e) {
+			$error_msg = __('Please note that a system message failed to send due to a technical issue.',
+				'event_espresso');
+			// add specific message for developers if WP_DEBUG in on
+			$error_msg .= '||' . $e->getMessage();
+			EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 * This is triggered by the 'msg_cron_trigger' route.
+	 *
+	 * @param WP $WP
+	 */
+	public function execute_batch_request($WP)
+	{
+		$this->run_cron();
+		header('HTTP/1.1 200 OK');
+		exit();
+	}
+
+
+	/**
+	 * This gets executed on wp_cron jobs or when a batch request is initiated on its own separate non regular wp
+	 * request.
+	 */
+	public function run_cron()
+	{
+		self::_load_controller();
+		//get required vars
+		$cron_type     = EE_Registry::instance()->REQ->get('type');
+		$transient_key = EE_Registry::instance()->REQ->get('key');
+
+		//now let's verify transient, if not valid exit immediately
+		if (! get_transient($transient_key)) {
+			/**
+			 * trigger error so this gets in the error logs.  This is important because it happens on a non-user
+			 * request.
+			 */
+			trigger_error(esc_attr__('Invalid Request (Transient does not exist)', 'event_espresso'));
+		}
+
+		//if made it here, lets' delete the transient to keep the db clean
+		delete_transient($transient_key);
+
+		if (apply_filters('FHEE__EED_Messages__run_cron__use_wp_cron', true)) {
+
+			$method = 'batch_' . $cron_type . '_from_queue';
+			if (method_exists(self::$_MSG_PROCESSOR, $method)) {
+				self::$_MSG_PROCESSOR->$method();
+			} else {
+				//no matching task
+				/**
+				 * trigger error so this gets in the error logs.  This is important because it happens on a non user
+				 * request.
+				 */
+				trigger_error(esc_attr(sprintf(__('There is no task corresponding to this route %s', 'event_espresso'),
+					$cron_type)));
+			}
+		}
+
+		do_action('FHEE__EED_Messages__run_cron__end');
+	}
+
+
+	/**
+	 * This is used to retrieve the template pack for the given name.
+	 * Retrieved packs are cached on the static $_TMP_PACKS array.  If there is no class matching the given name then
+	 * the default template pack is returned.
+	 *
+	 * @deprecated 4.9.0  @see EEH_MSG_Template::get_template_pack()
+	 * @param string $template_pack_name This should correspond to the dbref of the template pack (which is also used
+	 *                                   in generating the Pack class name).
+	 * @return EE_Messages_Template_Pack
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_template_pack($template_pack_name)
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		return EEH_MSG_Template::get_template_pack($template_pack_name);
+	}
+
+
+	/**
+	 * Retrieves an array of all template packs.
+	 * Array is in the format array( 'dbref' => EE_Messages_Template_Pack )
+	 *
+	 * @deprecated 4.9.0  @see EEH_MSG_Template_Pack::get_template_pack_collection
+	 * @return EE_Messages_Template_Pack[]
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_template_packs()
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+
+		//for backward compat, let's make sure this returns in the same format as originally.
+		$template_pack_collection = EEH_MSG_Template::get_template_pack_collection();
+		$template_pack_collection->rewind();
+		$template_packs = array();
+		while ($template_pack_collection->valid()) {
+			$template_packs[$template_pack_collection->current()->dbref] = $template_pack_collection->current();
+			$template_pack_collection->next();
+		}
+		return $template_packs;
+	}
+
+
+	/**
+	 * This simply makes sure the autoloaders are registered for the EE_messages system.
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function set_autoloaders()
+	{
+		if (empty(self::$_MSG_PATHS)) {
+			self::_set_messages_paths();
+			foreach (self::$_MSG_PATHS as $path) {
+				EEH_Autoloader::register_autoloaders_for_each_file_in_folder($path);
+			}
+			// add aliases
+			EEH_Autoloader::add_alias('EE_messages', 'EE_messages');
+			EEH_Autoloader::add_alias('EE_messenger', 'EE_messenger');
+		}
+	}
+
+
+	/**
+	 * Take care of adding all the paths for the messages components to the $_MSG_PATHS property
+	 * for use by the Messages Autoloaders
+	 *
+	 * @since 4.5.0
+	 * @return void.
+	 */
+	protected static function _set_messages_paths()
+	{
+		$dir_ref = array(
+			'messages/message_type',
+			'messages/messenger',
+			'messages/defaults',
+			'messages/defaults/email',
+			'messages/data_class',
+			'messages/validators',
+			'messages/validators/email',
+			'messages/validators/html',
+			'shortcodes',
+		);
+		$paths   = array();
+		foreach ($dir_ref as $index => $dir) {
+			$paths[$index] = EE_LIBRARIES . $dir;
+		}
+		self::$_MSG_PATHS = apply_filters('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', $paths);
+	}
+
+
+	/**
+	 * Takes care of loading dependencies
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function _load_controller()
+	{
+		if (! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
+			EE_Registry::instance()->load_core('Request_Handler');
+			self::set_autoloaders();
+			self::$_EEMSG                    = EE_Registry::instance()->load_lib('messages');
+			self::$_MSG_PROCESSOR            = EE_Registry::instance()->load_lib('Messages_Processor');
+			self::$_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		}
+	}
+
+
+	/**
+	 * @param EE_Transaction $transaction
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function payment_reminder(EE_Transaction $transaction)
+	{
+		self::_load_controller();
+		$data = array($transaction, null);
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers('payment_reminder', $data);
+	}
+
+
+	/**
+	 * Any messages triggers for after successful gateway payments should go in here.
+	 *
+	 * @param EE_Transaction $transaction object
+	 * @param EE_Payment|null     $payment     object
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function payment(EE_Transaction $transaction, EE_Payment $payment = null)
+	{
+		//if there's no payment object, then we cannot do a payment type message!
+		if (! $payment instanceof EE_Payment) {
+			return;
+		}
+		self::_load_controller();
+		$data = array($transaction, $payment);
+		EE_Registry::instance()->load_helper('MSG_Template');
+		$message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
+		//if payment amount is less than 0 then switch to payment_refund message type.
+		$message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
+	}
+
+
+	/**
+	 * @param EE_Transaction $transaction
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function cancelled_registration(EE_Transaction $transaction)
+	{
+		self::_load_controller();
+		$data = array($transaction, null);
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers('cancelled_registration', $data);
+	}
+
+
+
+	/**
+	 * Trigger for Registration messages
+	 * Note that what registration message type is sent depends on what the reg status is for the registrations on the
+	 * incoming transaction.
+	 *
+	 * @param EE_Registration $registration
+	 * @param array           $extra_details
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws EntityNotFoundException
+	 */
+	public static function maybe_registration(EE_Registration $registration, $extra_details = array())
+	{
+
+		if (! self::_verify_registration_notification_send($registration, $extra_details)) {
+			//no messages please
+			return;
+		}
+
+		// get all non-trashed registrations so we make sure we send messages for the right status.
+		$all_registrations = $registration->transaction()->registrations(
+			array(
+				array('REG_deleted' => false),
+				'order_by' => array(
+					'Event.EVT_name'     => 'ASC',
+					'Attendee.ATT_lname' => 'ASC',
+					'Attendee.ATT_fname' => 'ASC'
+				)
+			)
+		);
+		//cached array of statuses so we only trigger messages once per status.
+		$statuses_sent = array();
+		self::_load_controller();
+		$mtgs = array();
+
+		//loop through registrations and trigger messages once per status.
+		foreach ($all_registrations as $reg) {
+
+			//already triggered?
+			if (in_array($reg->status_ID(), $statuses_sent)) {
+				continue;
+			}
+
+			$message_type    = EEH_MSG_Template::convert_reg_status_to_message_type($reg->status_ID());
+			$mtgs            = array_merge(
+					$mtgs,
+					self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
+							$message_type,
+							array($registration->transaction(), null, $reg->status_ID())
+					)
+			);
+			$statuses_sent[] = $reg->status_ID();
+		}
+
+		if (count($statuses_sent) > 1) {
+			$mtgs = array_merge(
+				$mtgs,
+				self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
+					'registration_summary',
+					array($registration->transaction(), null)
+				)
+			);
+		}
+
+		//batch queue and initiate request
+		self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($mtgs);
+		self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
+	}
+
+
+	/**
+	 * This is a helper method used to very whether a registration notification should be sent or
+	 * not.  Prevents duplicate notifications going out for registration context notifications.
+	 *
+	 * @param EE_Registration $registration  [description]
+	 * @param array           $extra_details [description]
+	 * @return bool          true = send away, false = nope halt the presses.
+	 */
+	protected static function _verify_registration_notification_send(
+		EE_Registration $registration,
+		$extra_details = array()
+	) {
+		//self::log(
+		//	__CLASS__, __FUNCTION__, __LINE__,
+		//	$registration->transaction(),
+		//	array( '$extra_details' => $extra_details )
+		//);
+		// currently only using this to send messages for the primary registrant
+		if (! $registration->is_primary_registrant()) {
+			return false;
+		}
+		// first we check if we're in admin and not doing front ajax
+		if (is_admin() && ! EE_FRONT_AJAX) {
+			//make sure appropriate admin params are set for sending messages
+			if (empty($_REQUEST['txn_reg_status_change']['send_notifications']) || ! absint($_REQUEST['txn_reg_status_change']['send_notifications'])) {
+				//no messages sent please.
+				return false;
+			}
+		} else {
+			// frontend request (either regular or via AJAX)
+			// TXN is NOT finalized ?
+			if (! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
+				return false;
+			}
+			// return visit but nothing changed ???
+			if (
+				isset($extra_details['revisit'], $extra_details['status_updates']) &&
+				$extra_details['revisit'] && ! $extra_details['status_updates']
+			) {
+				return false;
+			}
+			// NOT sending messages && reg status is something other than "Not-Approved"
+			if (
+				! apply_filters('FHEE__EED_Messages___maybe_registration__deliver_notifications', false) &&
+				$registration->status_ID() !== EEM_Registration::status_id_not_approved
+			) {
+				return false;
+			}
+		}
+		// release the kraken
+		return true;
+	}
+
+
+	/**
+	 * Simply returns an array indexed by Registration Status ID and the related message_type name associated with that
+	 * status id.
+	 *
+	 * @deprecated 4.9.0  Use EEH_MSG_Template::reg_status_to_message_type_array()
+	 *                    or EEH_MSG_Template::convert_reg_status_to_message_type
+	 * @param string $reg_status
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function _get_reg_status_array($reg_status = '')
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		return EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
+			? EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
+			: EEH_MSG_Template::reg_status_to_message_type_array();
+	}
+
+
+	/**
+	 * Simply returns the payment message type for the given payment status.
+	 *
+	 * @deprecated 4.9.0 Use EEH_MSG_Template::payment_status_to_message_type_array
+	 *                   or EEH_MSG_Template::convert_payment_status_to_message_type
+	 * @param string $payment_status The payment status being matched.
+	 * @return bool|string The payment message type slug matching the status or false if no match.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function _get_payment_message_type($payment_status)
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		return EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
+			? EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
+			: false;
+	}
+
+
+	/**
+	 * Message triggers for a resending already sent message(s) (via EE_Message list table)
+	 *
+	 * @access public
+	 * @param array $req_data This is the $_POST & $_GET data sent from EE_Admin Pages
+	 * @return bool success/fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function process_resend($req_data)
+	{
+		self::_load_controller();
+
+		//if $msgID in this request then skip to the new resend_message
+		if (EE_Registry::instance()->REQ->get('MSG_ID')) {
+			return self::resend_message();
+		}
+
+		//make sure any incoming request data is set on the REQ so that it gets picked up later.
+		$req_data = (array)$req_data;
+		foreach ($req_data as $request_key => $request_value) {
+			EE_Registry::instance()->REQ->set($request_key, $request_value);
+		}
+
+		if (! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
+			return false;
+		}
+
+		try {
+			self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($messages_to_send);
+			self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
+		} catch (EE_Error $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		EE_Error::add_success(
+			__('Messages have been successfully queued for generation and sending.', 'event_espresso')
+		);
+		return true; //everything got queued.
+	}
+
+
+	/**
+	 * Message triggers for a resending already sent message(s) (via EE_Message list table)
+	 *
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function resend_message()
+	{
+		self::_load_controller();
+
+		$msgID = EE_Registry::instance()->REQ->get('MSG_ID');
+		if (! $msgID) {
+			EE_Error::add_error(__('Something went wrong because there is no "MSG_ID" value in the request',
+				'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+
+		self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array)$msgID);
+
+		//setup success message.
+		$count_ready_for_resend = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
+		EE_Error::add_success(sprintf(
+			_n(
+				'There was %d message queued for resending.',
+				'There were %d messages queued for resending.',
+				$count_ready_for_resend,
+				'event_espresso'
+			),
+			$count_ready_for_resend
+		));
+		return true;
+	}
+
+
+	/**
+	 * Message triggers for manual payment applied by admin
+	 *
+	 * @param  EE_Payment $payment EE_payment object
+	 * @return bool success/fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function process_admin_payment(EE_Payment $payment)
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		//we need to get the transaction object
+		$transaction = $payment->transaction();
+		if ($transaction instanceof EE_Transaction) {
+			$data         = array($transaction, $payment);
+			$message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
+
+			//if payment amount is less than 0 then switch to payment_refund message type.
+			$message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
+
+			//if payment_refund is selected, but the status is NOT accepted.  Then change message type to false so NO message notification goes out.
+			$message_type = $message_type == 'payment_refund' && $payment->STS_ID() != EEM_Payment::status_id_approved ? false : $message_type;
+
+			self::_load_controller();
+
+			self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
+
+			//get count of queued for generation
+			$count_to_generate = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(array(
+				EEM_Message::status_incomplete,
+				EEM_Message::status_idle,
+			));
+
+			if ($count_to_generate > 0 && self::$_MSG_PROCESSOR->get_queue()->get_message_repository()->count() !== 0) {
+				add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
+				return true;
+			} else {
+				$count_failed = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::instance()->stati_indicating_failed_sending());
+				/**
+				 * Verify that there are actually errors.  If not then we return a success message because the queue might have been emptied due to successful
+				 * IMMEDIATE generation.
+				 */
+				if ($count_failed > 0) {
+					EE_Error::add_error(sprintf(
+						_n(
+							'The payment notification generation failed.',
+							'%d payment notifications failed being sent.',
+							$count_failed,
+							'event_espresso'
+						),
+						$count_failed
+					), __FILE__, __FUNCTION__, __LINE__);
+
+					return false;
+				} else {
+					add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
+					return true;
+				}
+			}
+		} else {
+			EE_Error::add_error(
+				'Unable to generate the payment notification because the given value for the transaction is invalid.',
+				'event_espresso'
+			);
+			return false;
+		}
+	}
+
+
+	/**
+	 * Callback for AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send_with_registrations trigger
+	 *
+	 * @since   4.3.0
+	 * @param  EE_Registration[] $registrations an array of EE_Registration objects
+	 * @param  int               $grp_id        a specific message template group id.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function send_newsletter_message($registrations, $grp_id)
+	{
+		//make sure mtp is id and set it in the EE_Request Handler later messages setup.
+		EE_Registry::instance()->REQ->set('GRP_ID', (int)$grp_id);
+		self::_load_controller();
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers('newsletter', $registrations);
+	}
+
+
+	/**
+	 * Callback for FHEE__EE_Registration__invoice_url__invoice_url or FHEE__EE_Registration__receipt_url__receipt_url
+	 *
+	 * @since   4.3.0
+	 * @param    string          $registration_message_trigger_url
+	 * @param    EE_Registration $registration
+	 * @param string             $messenger
+	 * @param string             $message_type
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function registration_message_trigger_url(
+		$registration_message_trigger_url,
+		EE_Registration $registration,
+		$messenger = 'html',
+		$message_type = 'invoice'
+	) {
+		// whitelist $messenger
+		switch ($messenger) {
+			case 'pdf' :
+				$sending_messenger    = 'pdf';
+				$generating_messenger = 'html';
+				break;
+			case 'html' :
+			default :
+				$sending_messenger    = 'html';
+				$generating_messenger = 'html';
+				break;
+		}
+		// whitelist $message_type
+		switch ($message_type) {
+			case 'receipt' :
+				$message_type = 'receipt';
+				break;
+			case 'invoice' :
+			default :
+				$message_type = 'invoice';
+				break;
+		}
+		// verify that both the messenger AND the message type are active
+		if (EEH_MSG_Template::is_messenger_active($sending_messenger) && EEH_MSG_Template::is_mt_active($message_type)) {
+			//need to get the correct message template group for this (i.e. is there a custom invoice for the event this registration is registered for?)
+			$template_query_params = array(
+				'MTP_is_active'    => true,
+				'MTP_messenger'    => $generating_messenger,
+				'MTP_message_type' => $message_type,
+				'Event.EVT_ID'     => $registration->event_ID(),
+			);
+			//get the message template group.
+			$msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
+			//if we don't have an EE_Message_Template_Group then return
+			if (! $msg_template_group instanceof EE_Message_Template_Group) {
+				// remove EVT_ID from query params so that global templates get picked up
+				unset($template_query_params['Event.EVT_ID']);
+				//get global template as the fallback
+				$msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
+			}
+			//if we don't have an EE_Message_Template_Group then return
+			if (! $msg_template_group instanceof EE_Message_Template_Group) {
+				return '';
+			}
+			// generate the URL
+			$registration_message_trigger_url = EEH_MSG_Template::generate_url_trigger(
+				$sending_messenger,
+				$generating_messenger,
+				'purchaser',
+				$message_type,
+				$registration,
+				$msg_template_group->ID(),
+				$registration->transaction_ID()
+			);
+
+		}
+		return $registration_message_trigger_url;
+	}
+
+
+	/**
+	 * Use to generate and return a message preview!
+	 *
+	 * @param  string $type      This should correspond with a valid message type
+	 * @param  string $context   This should correspond with a valid context for the message type
+	 * @param  string $messenger This should correspond with a valid messenger.
+	 * @param bool    $send      true we will do a test send using the messenger delivery, false we just do a regular
+	 *                           preview
+	 * @return bool|string The body of the message or if send is requested, sends.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function preview_message($type, $context, $messenger, $send = false)
+	{
+		self::_load_controller();
+		$mtg                     = new EE_Message_To_Generate(
+			$messenger,
+			$type,
+			array(),
+			$context,
+			true
+		);
+		$generated_preview_queue = self::$_MSG_PROCESSOR->generate_for_preview($mtg, $send);
+		if ($generated_preview_queue instanceof EE_Messages_Queue) {
+			//loop through all content for the preview and remove any persisted records.
+			$content = '';
+			foreach ($generated_preview_queue->get_message_repository() as $message) {
+				$content = $message->content();
+				if ($message->ID() > 0 && $message->STS_ID() !== EEM_Message::status_failed) {
+					$message->delete();
+				}
+			}
+			return $content;
+		} else {
+			return $generated_preview_queue;
+		}
+	}
+
+
+	/**
+	 * This is a method that allows for sending a message using a messenger matching the string given and the provided
+	 * EE_Message_Queue object.  The EE_Message_Queue object is used to create a single aggregate EE_Message via the
+	 * content found in the EE_Message objects in the queue.
+	 *
+	 * @since 4.9.0
+	 * @param string            $messenger            a string matching a valid active messenger in the system
+	 * @param string            $message_type         Although it seems contrary to the name of the method, a message
+	 *                                                type name is still required to send along the message type to the
+	 *                                                messenger because this is used for determining what specific
+	 *                                                variations might be loaded for the generated message.
+	 * @param EE_Messages_Queue $queue
+	 * @param string            $custom_subject       Can be used to set what the custom subject string will be on the
+	 *                                                aggregate EE_Message object.
+	 * @return bool success or fail.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function send_message_with_messenger_only(
+		$messenger,
+		$message_type,
+		EE_Messages_Queue $queue,
+		$custom_subject = ''
+	) {
+		self::_load_controller();
+		/** @type EE_Message_To_Generate_From_Queue $message_to_generate */
+		$message_to_generate = EE_Registry::instance()->load_lib(
+			'Message_To_Generate_From_Queue',
+			array(
+				$messenger,
+				$message_type,
+				$queue,
+				$custom_subject,
+			)
+		);
+		return self::$_MSG_PROCESSOR->queue_for_sending($message_to_generate);
+	}
+
+
+	/**
+	 * Generates Messages immediately for EE_Message IDs (but only for the correct status for generation)
+	 *
+	 * @since 4.9.0
+	 * @param array $message_ids An array of message ids
+	 * @return bool|EE_Messages_Queue false if nothing was generated, EE_Messages_Queue containing generated
+	 *                           messages.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function generate_now($message_ids)
+	{
+		self::_load_controller();
+		$messages        = EEM_Message::instance()->get_all(
+			array(
+				0 => array(
+					'MSG_ID' => array('IN', $message_ids),
+					'STS_ID' => EEM_Message::status_incomplete,
+				),
+			)
+		);
+		$generated_queue = false;
+		if ($messages) {
+			$generated_queue = self::$_MSG_PROCESSOR->batch_generate_from_queue($messages);
+		}
+
+		if (! $generated_queue instanceof EE_Messages_Queue) {
+			EE_Error::add_error(
+				__('The messages were not generated. This could mean there is already a batch being generated on a separate request, or because the selected messages are not ready for generation. Please wait a minute or two and try again.',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+		return $generated_queue;
+	}
+
+
+	/**
+	 * Sends messages immediately for the incoming message_ids that have the status of EEM_Message::status_resend or,
+	 * EEM_Message::status_idle
+	 *
+	 * @since 4.9.0
+	 * @param $message_ids
+	 * @return bool|EE_Messages_Queue false if no messages sent.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function send_now($message_ids)
+	{
+		self::_load_controller();
+		$messages   = EEM_Message::instance()->get_all(
+			array(
+				0 => array(
+					'MSG_ID' => array('IN', $message_ids),
+					'STS_ID' => array(
+						'IN',
+						array(EEM_Message::status_idle, EEM_Message::status_resend, EEM_Message::status_retry),
+					),
+				),
+			)
+		);
+		$sent_queue = false;
+		if ($messages) {
+			$sent_queue = self::$_MSG_PROCESSOR->batch_send_from_queue($messages);
+		}
+
+		if (! $sent_queue instanceof EE_Messages_Queue) {
+			EE_Error::add_error(
+				__('The messages were not sent. This could mean there is already a batch being sent on a separate request, or because the selected messages are not sendable. Please wait a minute or two and try again.',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		} else {
+			//can count how many sent by using the messages in the queue
+			$sent_count = $sent_queue->count_STS_in_queue(EEM_Message::instance()->stati_indicating_sent());
+			if ($sent_count > 0) {
+				EE_Error::add_success(
+					sprintf(
+						_n(
+							'There was %d message successfully sent.',
+							'There were %d messages successfully sent.',
+							$sent_count,
+							'event_espresso'
+						),
+						$sent_count
+					)
+				);
+			} else {
+				EE_Error::overwrite_errors();
+				EE_Error::add_error(
+					__('No message was sent because of problems with sending. Either all the messages you selected were not a sendable message, they were ALREADY sent on a different scheduled task, or there was an error.
 					If there was an error, you can look at the messages in the message activity list table for any error messages.',
-                        'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-        }
-        return $sent_queue;
-    }
-
-
-    /**
-     * Generate and send immediately from the given $message_ids
-     *
-     * @param array $message_ids EE_Message entity ids.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function generate_and_send_now(array $message_ids)
-    {
-        $generated_queue = self::generate_now($message_ids);
-        //now let's just trigger sending immediately from this queue.
-        $messages_sent = $generated_queue instanceof EE_Messages_Queue
-            ? $generated_queue->execute()
-            : 0;
-        if ($messages_sent) {
-            EE_Error::add_success(
-                esc_html(
-                    sprintf(
-                        _n(
-                            'There was %d message successfully generated and sent.',
-                            'There were %d messages successfully generated and sent.',
-                            $messages_sent,
-                            'event_espresso'
-                        ),
-                        $messages_sent
-                    )
-                )
-            );
-            //errors would be added via the generate_now method.
-        }
-    }
-
-
-    /**
-     * This will queue the incoming message ids for resending.
-     * Note, only message_ids corresponding to messages with the status of EEM_Message::sent will be queued.
-     *
-     * @since 4.9.0
-     * @param array $message_ids An array of EE_Message IDs
-     * @return bool true means messages were successfully queued for resending, false means none were queued for
-     *                           resending.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function queue_for_resending($message_ids)
-    {
-        self::_load_controller();
-        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send($message_ids);
-
-        //get queue and count
-        $queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
-
-        if (
-            $queue_count > 0
-        ) {
-            EE_Error::add_success(
-                sprintf(
-                    _n(
-                        '%d message successfully queued for resending.',
-                        '%d messages successfully queued for resending.',
-                        $queue_count,
-                        'event_espresso'
-                    ),
-                    $queue_count
-                )
-            );
-            /**
-             * @see filter usage in EE_Messages_Queue::initiate_request_by_priority
-             */
-        } elseif (
-            apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', true)
-            || EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
-        ) {
-            $queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_sent);
-            if ($queue_count > 0) {
-                EE_Error::add_success(
-                    sprintf(
-                        _n(
-                            '%d message successfully sent.',
-                            '%d messages successfully sent.',
-                            $queue_count,
-                            'event_espresso'
-                        ),
-                        $queue_count
-                    )
-                );
-            } else {
-                EE_Error::add_error(
-                    __('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
-                        'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-        } else {
-            EE_Error::add_error(
-                __('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        return (bool)$queue_count;
-    }
-
-
-    /**
-     * debug
-     *
-     * @param string          $class
-     * @param string          $func
-     * @param string          $line
-     * @param \EE_Transaction $transaction
-     * @param array           $info
-     * @param bool            $display_request
-     * @throws EE_Error
-     * @throws \EventEspresso\core\exceptions\InvalidSessionDataException
-     */
-    protected static function log(
-        $class = '',
-        $func = '',
-        $line = '',
-        EE_Transaction $transaction,
-        $info = array(),
-        $display_request = false
-    ) {
-        if (defined('EE_DEBUG') && EE_DEBUG) {
-            if ($transaction instanceof EE_Transaction) {
-                // don't serialize objects
-                $info                  = EEH_Debug_Tools::strip_objects($info);
-                $info['TXN_status']    = $transaction->status_ID();
-                $info['TXN_reg_steps'] = $transaction->reg_steps();
-                if ($transaction->ID()) {
-                    $index = 'EE_Transaction: ' . $transaction->ID();
-                    EEH_Debug_Tools::log($class, $func, $line, $info, $display_request, $index);
-                }
-            }
-        }
-
-    }
-
-
-    /**
-     *  Resets all the static properties in this class when called.
-     */
-    public static function reset()
-    {
-        self::$_EEMSG                    = null;
-        self::$_message_resource_manager = null;
-        self::$_MSG_PROCESSOR            = null;
-        self::$_MSG_PATHS                = null;
-        self::$_TMP_PACKS                = array();
-    }
+						'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+		}
+		return $sent_queue;
+	}
+
+
+	/**
+	 * Generate and send immediately from the given $message_ids
+	 *
+	 * @param array $message_ids EE_Message entity ids.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function generate_and_send_now(array $message_ids)
+	{
+		$generated_queue = self::generate_now($message_ids);
+		//now let's just trigger sending immediately from this queue.
+		$messages_sent = $generated_queue instanceof EE_Messages_Queue
+			? $generated_queue->execute()
+			: 0;
+		if ($messages_sent) {
+			EE_Error::add_success(
+				esc_html(
+					sprintf(
+						_n(
+							'There was %d message successfully generated and sent.',
+							'There were %d messages successfully generated and sent.',
+							$messages_sent,
+							'event_espresso'
+						),
+						$messages_sent
+					)
+				)
+			);
+			//errors would be added via the generate_now method.
+		}
+	}
+
+
+	/**
+	 * This will queue the incoming message ids for resending.
+	 * Note, only message_ids corresponding to messages with the status of EEM_Message::sent will be queued.
+	 *
+	 * @since 4.9.0
+	 * @param array $message_ids An array of EE_Message IDs
+	 * @return bool true means messages were successfully queued for resending, false means none were queued for
+	 *                           resending.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function queue_for_resending($message_ids)
+	{
+		self::_load_controller();
+		self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send($message_ids);
+
+		//get queue and count
+		$queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
+
+		if (
+			$queue_count > 0
+		) {
+			EE_Error::add_success(
+				sprintf(
+					_n(
+						'%d message successfully queued for resending.',
+						'%d messages successfully queued for resending.',
+						$queue_count,
+						'event_espresso'
+					),
+					$queue_count
+				)
+			);
+			/**
+			 * @see filter usage in EE_Messages_Queue::initiate_request_by_priority
+			 */
+		} elseif (
+			apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', true)
+			|| EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
+		) {
+			$queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_sent);
+			if ($queue_count > 0) {
+				EE_Error::add_success(
+					sprintf(
+						_n(
+							'%d message successfully sent.',
+							'%d messages successfully sent.',
+							$queue_count,
+							'event_espresso'
+						),
+						$queue_count
+					)
+				);
+			} else {
+				EE_Error::add_error(
+					__('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
+						'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+		} else {
+			EE_Error::add_error(
+				__('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+		return (bool)$queue_count;
+	}
+
+
+	/**
+	 * debug
+	 *
+	 * @param string          $class
+	 * @param string          $func
+	 * @param string          $line
+	 * @param \EE_Transaction $transaction
+	 * @param array           $info
+	 * @param bool            $display_request
+	 * @throws EE_Error
+	 * @throws \EventEspresso\core\exceptions\InvalidSessionDataException
+	 */
+	protected static function log(
+		$class = '',
+		$func = '',
+		$line = '',
+		EE_Transaction $transaction,
+		$info = array(),
+		$display_request = false
+	) {
+		if (defined('EE_DEBUG') && EE_DEBUG) {
+			if ($transaction instanceof EE_Transaction) {
+				// don't serialize objects
+				$info                  = EEH_Debug_Tools::strip_objects($info);
+				$info['TXN_status']    = $transaction->status_ID();
+				$info['TXN_reg_steps'] = $transaction->reg_steps();
+				if ($transaction->ID()) {
+					$index = 'EE_Transaction: ' . $transaction->ID();
+					EEH_Debug_Tools::log($class, $func, $line, $info, $display_request, $index);
+				}
+			}
+		}
+
+	}
+
+
+	/**
+	 *  Resets all the static properties in this class when called.
+	 */
+	public static function reset()
+	{
+		self::$_EEMSG                    = null;
+		self::$_message_resource_manager = null;
+		self::$_MSG_PROCESSOR            = null;
+		self::$_MSG_PATHS                = null;
+		self::$_TMP_PACKS                = array();
+	}
 
 }
 // End of file EED_Messages.module.php

Spacing +25 added lines, -25 removed lines

@@ -160,7 +160,7 @@ 
             $error_msg = __('Please note that a system message failed to send due to a technical issue.',
                 'event_espresso');
             // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
+            $error_msg .= '||'.$e->getMessage();
             EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
         }
     }
@@ -243,7 +243,7 @@ 
             $error_msg = __('Please note that a system message failed to send due to a technical issue.',
                 'event_espresso');
             // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
+            $error_msg .= '||'.$e->getMessage();
             EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
         }
     }
@@ -274,7 +274,7 @@ 
         $transient_key = EE_Registry::instance()->REQ->get('key');
 
         //now let's verify transient, if not valid exit immediately
-        if (! get_transient($transient_key)) {
+        if ( ! get_transient($transient_key)) {
             /**
              * trigger error so this gets in the error logs.  This is important because it happens on a non-user
              * request.
@@ -287,7 +287,7 @@ 
 
         if (apply_filters('FHEE__EED_Messages__run_cron__use_wp_cron', true)) {
 
-            $method = 'batch_' . $cron_type . '_from_queue';
+            $method = 'batch_'.$cron_type.'_from_queue';
             if (method_exists(self::$_MSG_PROCESSOR, $method)) {
                 self::$_MSG_PROCESSOR->$method();
             } else {
@@ -396,9 +396,9 @@ 
             'messages/validators/html',
             'shortcodes',
         );
-        $paths   = array();
+        $paths = array();
         foreach ($dir_ref as $index => $dir) {
-            $paths[$index] = EE_LIBRARIES . $dir;
+            $paths[$index] = EE_LIBRARIES.$dir;
         }
         self::$_MSG_PATHS = apply_filters('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', $paths);
     }
@@ -417,7 +417,7 @@ 
      */
     protected static function _load_controller()
     {
-        if (! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
+        if ( ! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
             EE_Registry::instance()->load_core('Request_Handler');
             self::set_autoloaders();
             self::$_EEMSG                    = EE_Registry::instance()->load_lib('messages');
@@ -458,7 +458,7 @@ 
     public static function payment(EE_Transaction $transaction, EE_Payment $payment = null)
     {
         //if there's no payment object, then we cannot do a payment type message!
-        if (! $payment instanceof EE_Payment) {
+        if ( ! $payment instanceof EE_Payment) {
             return;
         }
         self::_load_controller();
@@ -506,7 +506,7 @@ 
     public static function maybe_registration(EE_Registration $registration, $extra_details = array())
     {
 
-        if (! self::_verify_registration_notification_send($registration, $extra_details)) {
+        if ( ! self::_verify_registration_notification_send($registration, $extra_details)) {
             //no messages please
             return;
         }
@@ -580,7 +580,7 @@ 
         //	array( '$extra_details' => $extra_details )
         //);
         // currently only using this to send messages for the primary registrant
-        if (! $registration->is_primary_registrant()) {
+        if ( ! $registration->is_primary_registrant()) {
             return false;
         }
         // first we check if we're in admin and not doing front ajax
@@ -593,7 +593,7 @@ 
         } else {
             // frontend request (either regular or via AJAX)
             // TXN is NOT finalized ?
-            if (! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
+            if ( ! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
                 return false;
             }
             // return visit but nothing changed ???
@@ -683,12 +683,12 @@ 
         }
 
         //make sure any incoming request data is set on the REQ so that it gets picked up later.
-        $req_data = (array)$req_data;
+        $req_data = (array) $req_data;
         foreach ($req_data as $request_key => $request_value) {
             EE_Registry::instance()->REQ->set($request_key, $request_value);
         }
 
-        if (! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
+        if ( ! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
             return false;
         }
 
@@ -721,13 +721,13 @@ 
         self::_load_controller();
 
         $msgID = EE_Registry::instance()->REQ->get('MSG_ID');
-        if (! $msgID) {
+        if ( ! $msgID) {
             EE_Error::add_error(__('Something went wrong because there is no "MSG_ID" value in the request',
                 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
             return false;
         }
 
-        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array)$msgID);
+        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array) $msgID);
 
         //setup success message.
         $count_ready_for_resend = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
@@ -832,7 +832,7 @@ 
     public static function send_newsletter_message($registrations, $grp_id)
     {
         //make sure mtp is id and set it in the EE_Request Handler later messages setup.
-        EE_Registry::instance()->REQ->set('GRP_ID', (int)$grp_id);
+        EE_Registry::instance()->REQ->set('GRP_ID', (int) $grp_id);
         self::_load_controller();
         self::$_MSG_PROCESSOR->generate_for_all_active_messengers('newsletter', $registrations);
     }
@@ -892,14 +892,14 @@ 
             //get the message template group.
             $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
             //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
+            if ( ! $msg_template_group instanceof EE_Message_Template_Group) {
                 // remove EVT_ID from query params so that global templates get picked up
                 unset($template_query_params['Event.EVT_ID']);
                 //get global template as the fallback
                 $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
             }
             //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
+            if ( ! $msg_template_group instanceof EE_Message_Template_Group) {
                 return '';
             }
             // generate the URL
@@ -936,7 +936,7 @@ 
     public static function preview_message($type, $context, $messenger, $send = false)
     {
         self::_load_controller();
-        $mtg                     = new EE_Message_To_Generate(
+        $mtg = new EE_Message_To_Generate(
             $messenger,
             $type,
             array(),
@@ -1018,7 +1018,7 @@ 
     public static function generate_now($message_ids)
     {
         self::_load_controller();
-        $messages        = EEM_Message::instance()->get_all(
+        $messages = EEM_Message::instance()->get_all(
             array(
                 0 => array(
                     'MSG_ID' => array('IN', $message_ids),
@@ -1031,7 +1031,7 @@ 
             $generated_queue = self::$_MSG_PROCESSOR->batch_generate_from_queue($messages);
         }
 
-        if (! $generated_queue instanceof EE_Messages_Queue) {
+        if ( ! $generated_queue instanceof EE_Messages_Queue) {
             EE_Error::add_error(
                 __('The messages were not generated. This could mean there is already a batch being generated on a separate request, or because the selected messages are not ready for generation. Please wait a minute or two and try again.',
                     'event_espresso'),
@@ -1058,7 +1058,7 @@ 
     public static function send_now($message_ids)
     {
         self::_load_controller();
-        $messages   = EEM_Message::instance()->get_all(
+        $messages = EEM_Message::instance()->get_all(
             array(
                 0 => array(
                     'MSG_ID' => array('IN', $message_ids),
@@ -1074,7 +1074,7 @@ 
             $sent_queue = self::$_MSG_PROCESSOR->batch_send_from_queue($messages);
         }
 
-        if (! $sent_queue instanceof EE_Messages_Queue) {
+        if ( ! $sent_queue instanceof EE_Messages_Queue) {
             EE_Error::add_error(
                 __('The messages were not sent. This could mean there is already a batch being sent on a separate request, or because the selected messages are not sendable. Please wait a minute or two and try again.',
                     'event_espresso'),
@@ -1215,7 +1215,7 @@ 
                 __FILE__, __FUNCTION__, __LINE__
             );
         }
-        return (bool)$queue_count;
+        return (bool) $queue_count;
     }
 
 
@@ -1246,7 +1246,7 @@ 
                 $info['TXN_status']    = $transaction->status_ID();
                 $info['TXN_reg_steps'] = $transaction->reg_steps();
                 if ($transaction->ID()) {
-                    $index = 'EE_Transaction: ' . $transaction->ID();
+                    $index = 'EE_Transaction: '.$transaction->ID();
                     EEH_Debug_Tools::log($class, $func, $line, $info, $display_request, $index);
                 }
             }

core/libraries/messages/validators/EE_Messages_Validator.core.php

Doc Comments +1 added lines, -1 removed lines

@@ -505,7 +505,7 @@
      *
      * @param  string $value            string to evaluate
      * @param  array  $valid_shortcodes array of shortcodes that are acceptable.
-     * @return mixed (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
+     * @return false|string (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
      */
     protected function _invalid_shortcodes($value, $valid_shortcodes)
     {

Indentation +626 added lines, -626 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('NO direct script access allowed');
+	exit('NO direct script access allowed');
 }
 
 /**
@@ -22,630 +22,630 @@ 
 {
 
 
-    /**
-     * These properties just hold the name for the Messenger and Message Type (defined by child classes).
-     * These are used for retrieving objects etc.
-     *
-     * @var string
-     */
-    protected $_m_name;
-    protected $_mt_name;
-
-
-    /**
-     * This will hold any error messages from the validation process.
-     * The _errors property holds an associative array of error messages
-     * listing the field as the key and the message as the value.
-     *
-     * @var array()
-     */
-    private $_errors = array();
-
-
-    /**
-     * holds an array of fields being validated
-     *
-     * @var string
-     */
-    protected $_fields;
-
-
-    /**
-     * this will hold the incoming context
-     *
-     * @var string
-     */
-    protected $_context;
-
-
-    /**
-     * this holds an array of fields and the relevant validation information
-     * that the incoming fields data get validated against.
-     * This gets setup in the _set_props() method.
-     *
-     * @var array
-     */
-    protected $_validators;
-
-
-    /**
-     * holds the messenger object
-     *
-     * @var object
-     */
-    protected $_messenger;
-
-
-    /**
-     * holds the message type object
-     *
-     * @var object
-     */
-    protected $_message_type;
-
-
-    /**
-     * will hold any valid_shortcode modifications made by the _modify_validator() method.
-     *
-     * @var array
-     */
-    protected $_valid_shortcodes_modifier;
-
-
-    /**
-     * There may be times where a message type wants to include a shortcode group but exclude specific
-     * shortcodes.  If that's the case then it can set this property as an array of shortcodes to exclude and
-     * they will not be allowed.
-     * Array should be indexed by field and values are an array of specific shortcodes to exclude.
-     *
-     * @var array
-     */
-    protected $_specific_shortcode_excludes = array();
-
-
-    /**
-     * Runs the validator using the incoming fields array as the fields/values to check.
-     *
-     * @param array $fields The fields sent by the EEM object.
-     * @param       $context
-     * @throws \EE_Error
-     */
-    public function __construct($fields, $context)
-    {
-        //check that _m_name and _mt_name have been set by child class otherwise we get out.
-        if (empty($this->_m_name) || empty($this->_mt_name)) {
-            throw new EE_Error(
-                __(
-                    'EE_Messages_Validator child classes MUST set the $_m_name and $_mt_name property.  Check that the child class is doing this',
-                    'event_espresso'
-                )
-            );
-        }
-        $this->_fields  = $fields;
-        $this->_context = $context;
-
-        //load messenger and message_type objects and the related shortcode objects.
-        $this->_load_objects();
-
-
-        //modify any messenger/message_type specific validation instructions.  This is what child classes define.
-        $this->_modify_validator();
-
-
-        //let's set validators property
-        $this->_set_validators();
-    }
-
-
-    /**
-     * Child classes instantiate this and use it to modify the _validator_config array property
-     * for the messenger using messengers set_validate_config() method.
-     * This is so we can specify specific validation instructions for a messenger/message_type combo
-     * that aren't handled by the defaults setup in the messenger.
-     *
-     * @abstract
-     * @access protected
-     * @return void
-     */
-    abstract protected function _modify_validator();
-
-
-    /**
-     * loads all objects used by validator
-     *
-     * @access private
-     * @throws \EE_Error
-     */
-    private function _load_objects()
-    {
-        //load messenger
-        $messenger = ucwords(str_replace('_', ' ', $this->_m_name));
-        $messenger = str_replace(' ', '_', $messenger);
-        $messenger = 'EE_' . $messenger . '_messenger';
-
-        if (! class_exists($messenger)) {
-            throw new EE_Error(
-                sprintf(
-                    __('There is no messenger class for the given string (%s)', 'event_espresso'),
-                    $this->_m_name
-                )
-            );
-        }
-
-        $this->_messenger = new $messenger();
-
-        //load message type
-        $message_type = ucwords(str_replace('_', ' ', $this->_mt_name));
-        $message_type = str_replace(' ', '_', $message_type);
-        $message_type = 'EE_' . $message_type . '_message_type';
-
-        if (! class_exists($message_type)) {
-            throw new EE_Error(
-                sprintf(
-                    __('There is no message type class for the given string (%s)', 'event_espresso'),
-                    $this->_mt_name
-                )
-            );
-        }
-
-        $this->_message_type = new $message_type();
-
-    }
-
-
-    /**
-     * used to set the $_validators property
-     *
-     * @access private
-     * @return void
-     */
-    private function _set_validators()
-    {
-        // let's get all valid shortcodes from mt and message type
-        // (messenger will have its set in the _validator_config property for the messenger)
-        $mt_codes = $this->_message_type->get_valid_shortcodes();
-
-
-        //get messenger validator_config
-        $msgr_validator = $this->_messenger->get_validator_config();
-
-
-        //we only want the valid shortcodes for the given context!
-        $context  = $this->_context;
-        $mt_codes = $mt_codes[$context];
-
-        // in this first loop we're just getting all shortcode group indexes from the msgr_validator
-        // into a single array (so we can get the appropriate shortcode objects for the groups)
-        $shortcode_groups = $mt_codes;
-        $groups_per_field = array();
-
-        foreach ($msgr_validator as $field => $config) {
-            if (empty($config) || ! isset($config['shortcodes'])) {
-                continue;
-            }  //Nothing to see here.
-            $groups_per_field[$field] = array_intersect($config['shortcodes'], $mt_codes);
-            $shortcode_groups         = array_merge($config['shortcodes'], $shortcode_groups);
-        }
-
-        $shortcode_groups = array_unique($shortcode_groups);
-
-        // okay now we've got our groups.
-        // Let's get the codes from the objects into an array indexed by group for easy retrieval later.
-        $codes_from_objs = array();
-
-        foreach ($shortcode_groups as $group) {
-            $ref       = ucwords(str_replace('_', ' ', $group));
-            $ref       = str_replace(' ', '_', $ref);
-            $classname = 'EE_' . $ref . '_Shortcodes';
-            if (class_exists($classname)) {
-                $a                       = new ReflectionClass($classname);
-                $obj                     = $a->newInstance();
-                $codes_from_objs[$group] = $obj->get_shortcodes();
-            }
-        }
-
-
-        //let's just replace the $mt shortcode group indexes with the actual shortcodes (unique)
-        $final_mt_codes = array();
-        foreach ($mt_codes as $group) {
-            $final_mt_codes = array_merge($final_mt_codes, $codes_from_objs[$group]);
-        }
-
-        $mt_codes = $final_mt_codes;
-
-
-        // k now in this next loop we're going to loop through $msgr_validator again
-        // and setup the _validators property from the data we've setup so far.
-        foreach ($msgr_validator as $field => $config) {
-            //if required shortcode is not in our list of codes for the given field, then we skip this field.
-            $required = isset($config['required'])
-                ? array_intersect($config['required'], array_keys($mt_codes))
-                : true;
-            if (empty($required)) {
-                continue;
-            }
-
-            //If we have an override then we use it to indicate the codes we want.
-            if (isset($this->_valid_shortcodes_modifier[$context][$field])) {
-                $this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
-                    $this->_valid_shortcodes_modifier[$context][$field],
-                    $codes_from_objs
-                );
-            } //if we have specific shortcodes for a field then we need to use them
-            else if (isset($groups_per_field[$field])) {
-                $this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
-                    $groups_per_field[$field],
-                    $codes_from_objs
-                );
-            } //if empty config then we're assuming we're just going to use the shortcodes from the message type context
-            else if (empty($config)) {
-                $this->_validators[$field]['shortcodes'] = $mt_codes;
-            } //if we have specific shortcodes then we need to use them
-            else if (isset($config['specific_shortcodes'])) {
-                $this->_validators[$field]['shortcodes'] = $config['specific_shortcodes'];
-            } //otherwise the shortcodes are what is set by the messenger for that field
-            else {
-                foreach ($config['shortcodes'] as $group) {
-                    $this->_validators[$field]['shortcodes'] = isset($this->_validators[$field]['shortcodes'])
-                        ? array_merge($this->_validators[$field]['shortcodes'], $codes_from_objs[$group])
-                        : $codes_from_objs[$group];
-                }
-            }
-
-            //now let's just make sure that any excluded specific shortcodes are removed.
-            $specific_excludes = $this->get_specific_shortcode_excludes();
-            if (isset($specific_excludes[$field])) {
-                foreach ($specific_excludes[$field] as $sex) {
-                    if (isset($this->_validators[$field]['shortcodes'][$sex])) {
-                        unset($this->_validators[$field]['shortcodes'][$sex]);
-                    }
-                }
-            }
-
-            //hey! don't forget to include the type if present!
-            $this->_validators[$field]['type'] = isset($config['type']) ? $config['type'] : null;
-        }
-    }
-
-
-    /**
-     * This just returns the validators property that contains information
-     * about the various shortcodes and their availability with each field
-     *
-     * @return array
-     */
-    public function get_validators()
-    {
-        return $this->_validators;
-    }
-
-
-    /**
-     * This simply returns the specific shortcode_excludes property that is set.
-     *
-     * @since 4.5.0
-     * @return array
-     */
-    public function get_specific_shortcode_excludes()
-    {
-        //specific validator filter
-        $shortcode_excludes = apply_filters(
-            'FHEE__' . get_class($this) . '__get_specific_shortcode_excludes;',
-            $this->_specific_shortcode_excludes,
-            $this->_context
-        );
-        //global filter
-        return apply_filters(
-            'FHEE__EE_Messages_Validator__get_specific_shortcode_excludes',
-            $shortcode_excludes,
-            $this->_context,
-            $this
-        );
-    }
-
-
-    /**
-     * This is the main method that handles validation
-     * What it does is loop through the _fields (the ones that get validated)
-     * and checks them against the shortcodes array for the field and the 'type' indicated by the
-     *
-     * @access public
-     * @return mixed (bool|array)  if errors present we return the array otherwise true
-     */
-    public function validate()
-    {
-        //some defaults
-        $template_fields = $this->_messenger->get_template_fields();
-        //loop through the fields and check!
-        foreach ($this->_fields as $field => $value) {
-            $this->_errors[$field] = array();
-            $err_msg               = '';
-            $field_label           = '';
-            //if field is not present in the _validators array then we continue
-            if (! isset($this->_validators[$field])) {
-                unset($this->_errors[$field]);
-                continue;
-            }
-
-            //get the translated field label!
-            //first check if it's in the main fields list
-            if (isset($template_fields[$field])) {
-                if (empty($template_fields[$field])) {
-                    $field_label = $field;
-                } //most likely the field is found in the 'extra' array.
-                else {
-                    $field_label = $template_fields[$field]['label'];
-                }
-            }
-
-            // if field label is empty OR is equal to the current field
-            // then we need to loop through the 'extra' fields in the template_fields config (if present)
-            if (isset($template_fields['extra']) && (empty($field_label)) || $field_label == $field) {
-                foreach ($template_fields['extra'] as $main_field => $secondary_field) {
-                    foreach ($secondary_field as $name => $values) {
-                        if ($name == $field) {
-                            $field_label = $values['label'];
-                        }
-
-                        // if we've got a 'main' secondary field, let's see if that matches what field we're on
-                        // which means it contains the label for this field.
-                        if ($name == 'main' && $main_field == $field_label) {
-                            $field_label = $values['label'];
-                        }
-                    }
-                }
-            }
-
-            //field is present. Let's validate shortcodes first (but only if shortcodes present).
-            if (
-                isset($this->_validators[$field]['shortcodes'])
-                && ! empty($this->_validators[$field]['shortcodes'])
-            ) {
-                $invalid_shortcodes = $this->_invalid_shortcodes($value, $this->_validators[$field]['shortcodes']);
-                // if true then that means there is a returned error message
-                // that we'll need to add to the _errors array for this field.
-                if ($invalid_shortcodes) {
-                    $v_s     = array_keys($this->_validators[$field]['shortcodes']);
-                    $err_msg = sprintf(
-                        __(
-                            '%3$sThe following shortcodes were found in the "%1$s" field that ARE not valid: %2$s%4$s',
-                            'event_espresso'
-                        ),
-                        '<strong>' . $field_label . '</strong>',
-                        $invalid_shortcodes,
-                        '<p>',
-                        '</p >'
-                    );
-                    $err_msg .= sprintf(
-                        __('%2$sValid shortcodes for this field are: %1$s%3$s', 'event_espresso'),
-                        implode(', ', $v_s),
-                        '<strong>',
-                        '</strong>'
-                    );
-                }
-            }
-
-            //if there's a "type" to be validated then let's do that too.
-            if (isset($this->_validators[$field]['type']) && ! empty($this->_validators[$field]['type'])) {
-                switch ($this->_validators[$field]['type']) {
-                    case 'number' :
-                        if (! is_numeric($value)) {
-                            $err_msg .= sprintf(
-                                __(
-                                    '%3$sThe %1$s field is supposed to be a number. The value given (%2$s)  is not.  Please double-check and make sure the field contains a number%4$s',
-                                    'event_espresso'
-                                ),
-                                $field_label,
-                                $value,
-                                '<p>',
-                                '</p >'
-                            );
-                        }
-                        break;
-                    case 'email' :
-                        $valid_email = $this->_validate_email($value);
-                        if (! $valid_email) {
-                            $err_msg .= htmlentities(
-                                sprintf(
-                                    __(
-                                        'The %1$s field has at least one string that is not a valid email address record.  Valid emails are in the format: "Name <email@something.com>" or "email@something.com" and multiple emails can be separated by a comma.'
-                                    ),
-                                    $field_label
-
-                                )
-                            );
-                        }
-                        break;
-                    default :
-                        break;
-                }
-            }
-
-            //if $err_msg isn't empty let's setup the _errors array for this field.
-            if (! empty($err_msg)) {
-                $this->_errors[$field]['msg'] = $err_msg;
-            } else {
-                unset($this->_errors[$field]);
-            }
-        }
-
-        // if we have ANY errors, then we want to make sure we return the values
-        // for ALL the fields so the user doesn't have to retype them all.
-        if (! empty($this->_errors)) {
-            foreach ($this->_fields as $field => $value) {
-                $this->_errors[$field]['value'] = stripslashes($value);
-            }
-        }
-
-        //return any errors or just TRUE if everything validates
-        return empty($this->_errors) ? true : $this->_errors;
-    }
-
-
-    /**
-     * Reassembles and returns an array of valid shortcodes
-     * given the array of groups and array of shortcodes indexed by group.
-     *
-     * @param  array $groups          array of shortcode groups that we want shortcodes for
-     * @param  array $codes_from_objs All the codes available.
-     * @return array                   an array of actual shortcodes (that will be used for validation).
-     */
-    private function _reassemble_valid_shortcodes_from_group($groups, $codes_from_objs)
-    {
-        $shortcodes = array();
-        foreach ($groups as $group) {
-            $shortcodes = array_merge($shortcodes, $codes_from_objs[$group]);
-        }
-        return $shortcodes;
-    }
-
-
-    /**
-     * Validates a string against a list of accepted shortcodes
-     * This function takes in an array of shortcodes
-     * and makes sure that the given string ONLY contains shortcodes in that array.
-     *
-     * @param  string $value            string to evaluate
-     * @param  array  $valid_shortcodes array of shortcodes that are acceptable.
-     * @return mixed (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
-     */
-    protected function _invalid_shortcodes($value, $valid_shortcodes)
-    {
-        //first we need to go through the string and get the shortcodes in the string
-        preg_match_all('/(\[.+?\])/', $value, $matches);
-        $incoming_shortcodes = (array)$matches[0];
-
-        //get a diff of the shortcodes in the string vs the valid shortcodes
-        $diff = array_diff($incoming_shortcodes, array_keys($valid_shortcodes));
-
-        //we need to account for custom codes so let's loop through the diff and remove any of those type of codes
-        foreach ($diff as $ind => $code) {
-            if (preg_match('/(\[[A-Za-z0-9\_]+_\*)/', $code)) {
-                //strip the shortcode so we just have the BASE string (i.e. [ANSWER_*] )
-                $dynamic_sc = preg_replace('/(_\*+.+)/', '_*]', $code);
-                //does this exist in the $valid_shortcodes?  If so then unset.
-                if (isset($valid_shortcodes[$dynamic_sc])) {
-                    unset($diff[$ind]);
-                }
-            }
-        }
-
-        if (empty($diff)) {
-            return false;
-        } //there is no diff, we have no invalid shortcodes, so return
-
-        //made it here? then let's assemble the error message
-        $invalid_shortcodes = implode('</strong>,<strong>', $diff);
-        $invalid_shortcodes = '<strong>' . $invalid_shortcodes . '</strong>';
-        return $invalid_shortcodes;
-    }
-
-
-    /**
-     * Validates an incoming string and makes sure we have valid emails in the string.
-     *
-     * @param  string $value incoming value to validate
-     * @return bool        true if the string validates, false if it doesn't
-     */
-    protected function _validate_email($value)
-    {
-        $validate = true;
-        $or_val   = $value;
-
-        // empty strings will validate because this is how a message template
-        // for a particular context can be "turned off" (if there is no email then no message)
-        if (empty($value)) {
-            return $validate;
-        }
-
-        // first determine if there ARE any shortcodes.
-        // If there are shortcodes and then later we find that there were no other valid emails
-        // but the field isn't empty...
-        // that means we've got extra commas that were left after stripping out shortcodes so probably still valid.
-        $has_shortcodes = preg_match('/(\[.+?\])/', $value);
-
-        //first we need to strip out all the shortcodes!
-        $value = preg_replace('/(\[.+?\])/', '', $value);
-
-        // if original value is not empty and new value is, then we've parsed out a shortcode
-        // and we now have an empty string which DOES validate.
-        // We also validate complete empty field for email because
-        // its possible that this message is being "turned off" for a particular context
-
-
-        if (! empty($or_val) && empty($value)) {
-            return $validate;
-        }
-
-        //trim any commas from beginning and end of string ( after whitespace trimmed );
-        $value = trim(trim($value), ',');
-
-
-        //next we need to split up the string if its comma delimited.
-        $emails = explode(',', $value);
-        $empty  = false; //used to indicate that there is an empty comma.
-        //now let's loop through the emails and do our checks
-        foreach ($emails as $email) {
-            if (empty($email)) {
-                $empty = true;
-                continue;
-            }
-
-            //trim whitespace
-            $email = trim($email);
-            //either its of type "bob@whatever.com", or its of type "fname lname <few@few.few>"
-            if (is_email($email)) {
-                continue;
-            } else {
-                $matches  = array();
-                $validate = preg_match('/(.*)<(.+)>/', $email, $matches) ? true : false;
-                if ($validate && is_email($matches[2])) {
-                    continue;
-                } else {
-                    return false;
-                }
-            }
-        }
-
-        $validate = $empty && ! $has_shortcodes ? false : $validate;
-
-        return $validate;
-
-    }
-
-
-    /**
-     * Magic getter
-     * Using this to provide back compat with add-ons referencing deprecated properties.
-     *
-     * @param string $property Property being requested
-     * @throws Exception
-     * @return mixed
-     */
-    public function __get($property)
-    {
-        $expected_properties_map = array(
-            /**
-             * @deprecated 4.9.0
-             */
-            '_MSGR'   => '_messenger',
-            /**
-             * @deprecated 4.9.0
-             */
-            '_MSGTYP' => '_message_type',
-        );
-
-        if (isset($expected_properties_map[$property])) {
-            return $this->{$expected_properties_map[$property]};
-        }
-
-        throw new Exception(
-            sprintf(
-                __('The property %1$s being requested on %2$s does not exist', 'event_espresso'),
-                $property,
-                get_class($this)
-            )
-        );
-    }
+	/**
+	 * These properties just hold the name for the Messenger and Message Type (defined by child classes).
+	 * These are used for retrieving objects etc.
+	 *
+	 * @var string
+	 */
+	protected $_m_name;
+	protected $_mt_name;
+
+
+	/**
+	 * This will hold any error messages from the validation process.
+	 * The _errors property holds an associative array of error messages
+	 * listing the field as the key and the message as the value.
+	 *
+	 * @var array()
+	 */
+	private $_errors = array();
+
+
+	/**
+	 * holds an array of fields being validated
+	 *
+	 * @var string
+	 */
+	protected $_fields;
+
+
+	/**
+	 * this will hold the incoming context
+	 *
+	 * @var string
+	 */
+	protected $_context;
+
+
+	/**
+	 * this holds an array of fields and the relevant validation information
+	 * that the incoming fields data get validated against.
+	 * This gets setup in the _set_props() method.
+	 *
+	 * @var array
+	 */
+	protected $_validators;
+
+
+	/**
+	 * holds the messenger object
+	 *
+	 * @var object
+	 */
+	protected $_messenger;
+
+
+	/**
+	 * holds the message type object
+	 *
+	 * @var object
+	 */
+	protected $_message_type;
+
+
+	/**
+	 * will hold any valid_shortcode modifications made by the _modify_validator() method.
+	 *
+	 * @var array
+	 */
+	protected $_valid_shortcodes_modifier;
+
+
+	/**
+	 * There may be times where a message type wants to include a shortcode group but exclude specific
+	 * shortcodes.  If that's the case then it can set this property as an array of shortcodes to exclude and
+	 * they will not be allowed.
+	 * Array should be indexed by field and values are an array of specific shortcodes to exclude.
+	 *
+	 * @var array
+	 */
+	protected $_specific_shortcode_excludes = array();
+
+
+	/**
+	 * Runs the validator using the incoming fields array as the fields/values to check.
+	 *
+	 * @param array $fields The fields sent by the EEM object.
+	 * @param       $context
+	 * @throws \EE_Error
+	 */
+	public function __construct($fields, $context)
+	{
+		//check that _m_name and _mt_name have been set by child class otherwise we get out.
+		if (empty($this->_m_name) || empty($this->_mt_name)) {
+			throw new EE_Error(
+				__(
+					'EE_Messages_Validator child classes MUST set the $_m_name and $_mt_name property.  Check that the child class is doing this',
+					'event_espresso'
+				)
+			);
+		}
+		$this->_fields  = $fields;
+		$this->_context = $context;
+
+		//load messenger and message_type objects and the related shortcode objects.
+		$this->_load_objects();
+
+
+		//modify any messenger/message_type specific validation instructions.  This is what child classes define.
+		$this->_modify_validator();
+
+
+		//let's set validators property
+		$this->_set_validators();
+	}
+
+
+	/**
+	 * Child classes instantiate this and use it to modify the _validator_config array property
+	 * for the messenger using messengers set_validate_config() method.
+	 * This is so we can specify specific validation instructions for a messenger/message_type combo
+	 * that aren't handled by the defaults setup in the messenger.
+	 *
+	 * @abstract
+	 * @access protected
+	 * @return void
+	 */
+	abstract protected function _modify_validator();
+
+
+	/**
+	 * loads all objects used by validator
+	 *
+	 * @access private
+	 * @throws \EE_Error
+	 */
+	private function _load_objects()
+	{
+		//load messenger
+		$messenger = ucwords(str_replace('_', ' ', $this->_m_name));
+		$messenger = str_replace(' ', '_', $messenger);
+		$messenger = 'EE_' . $messenger . '_messenger';
+
+		if (! class_exists($messenger)) {
+			throw new EE_Error(
+				sprintf(
+					__('There is no messenger class for the given string (%s)', 'event_espresso'),
+					$this->_m_name
+				)
+			);
+		}
+
+		$this->_messenger = new $messenger();
+
+		//load message type
+		$message_type = ucwords(str_replace('_', ' ', $this->_mt_name));
+		$message_type = str_replace(' ', '_', $message_type);
+		$message_type = 'EE_' . $message_type . '_message_type';
+
+		if (! class_exists($message_type)) {
+			throw new EE_Error(
+				sprintf(
+					__('There is no message type class for the given string (%s)', 'event_espresso'),
+					$this->_mt_name
+				)
+			);
+		}
+
+		$this->_message_type = new $message_type();
+
+	}
+
+
+	/**
+	 * used to set the $_validators property
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _set_validators()
+	{
+		// let's get all valid shortcodes from mt and message type
+		// (messenger will have its set in the _validator_config property for the messenger)
+		$mt_codes = $this->_message_type->get_valid_shortcodes();
+
+
+		//get messenger validator_config
+		$msgr_validator = $this->_messenger->get_validator_config();
+
+
+		//we only want the valid shortcodes for the given context!
+		$context  = $this->_context;
+		$mt_codes = $mt_codes[$context];
+
+		// in this first loop we're just getting all shortcode group indexes from the msgr_validator
+		// into a single array (so we can get the appropriate shortcode objects for the groups)
+		$shortcode_groups = $mt_codes;
+		$groups_per_field = array();
+
+		foreach ($msgr_validator as $field => $config) {
+			if (empty($config) || ! isset($config['shortcodes'])) {
+				continue;
+			}  //Nothing to see here.
+			$groups_per_field[$field] = array_intersect($config['shortcodes'], $mt_codes);
+			$shortcode_groups         = array_merge($config['shortcodes'], $shortcode_groups);
+		}
+
+		$shortcode_groups = array_unique($shortcode_groups);
+
+		// okay now we've got our groups.
+		// Let's get the codes from the objects into an array indexed by group for easy retrieval later.
+		$codes_from_objs = array();
+
+		foreach ($shortcode_groups as $group) {
+			$ref       = ucwords(str_replace('_', ' ', $group));
+			$ref       = str_replace(' ', '_', $ref);
+			$classname = 'EE_' . $ref . '_Shortcodes';
+			if (class_exists($classname)) {
+				$a                       = new ReflectionClass($classname);
+				$obj                     = $a->newInstance();
+				$codes_from_objs[$group] = $obj->get_shortcodes();
+			}
+		}
+
+
+		//let's just replace the $mt shortcode group indexes with the actual shortcodes (unique)
+		$final_mt_codes = array();
+		foreach ($mt_codes as $group) {
+			$final_mt_codes = array_merge($final_mt_codes, $codes_from_objs[$group]);
+		}
+
+		$mt_codes = $final_mt_codes;
+
+
+		// k now in this next loop we're going to loop through $msgr_validator again
+		// and setup the _validators property from the data we've setup so far.
+		foreach ($msgr_validator as $field => $config) {
+			//if required shortcode is not in our list of codes for the given field, then we skip this field.
+			$required = isset($config['required'])
+				? array_intersect($config['required'], array_keys($mt_codes))
+				: true;
+			if (empty($required)) {
+				continue;
+			}
+
+			//If we have an override then we use it to indicate the codes we want.
+			if (isset($this->_valid_shortcodes_modifier[$context][$field])) {
+				$this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
+					$this->_valid_shortcodes_modifier[$context][$field],
+					$codes_from_objs
+				);
+			} //if we have specific shortcodes for a field then we need to use them
+			else if (isset($groups_per_field[$field])) {
+				$this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
+					$groups_per_field[$field],
+					$codes_from_objs
+				);
+			} //if empty config then we're assuming we're just going to use the shortcodes from the message type context
+			else if (empty($config)) {
+				$this->_validators[$field]['shortcodes'] = $mt_codes;
+			} //if we have specific shortcodes then we need to use them
+			else if (isset($config['specific_shortcodes'])) {
+				$this->_validators[$field]['shortcodes'] = $config['specific_shortcodes'];
+			} //otherwise the shortcodes are what is set by the messenger for that field
+			else {
+				foreach ($config['shortcodes'] as $group) {
+					$this->_validators[$field]['shortcodes'] = isset($this->_validators[$field]['shortcodes'])
+						? array_merge($this->_validators[$field]['shortcodes'], $codes_from_objs[$group])
+						: $codes_from_objs[$group];
+				}
+			}
+
+			//now let's just make sure that any excluded specific shortcodes are removed.
+			$specific_excludes = $this->get_specific_shortcode_excludes();
+			if (isset($specific_excludes[$field])) {
+				foreach ($specific_excludes[$field] as $sex) {
+					if (isset($this->_validators[$field]['shortcodes'][$sex])) {
+						unset($this->_validators[$field]['shortcodes'][$sex]);
+					}
+				}
+			}
+
+			//hey! don't forget to include the type if present!
+			$this->_validators[$field]['type'] = isset($config['type']) ? $config['type'] : null;
+		}
+	}
+
+
+	/**
+	 * This just returns the validators property that contains information
+	 * about the various shortcodes and their availability with each field
+	 *
+	 * @return array
+	 */
+	public function get_validators()
+	{
+		return $this->_validators;
+	}
+
+
+	/**
+	 * This simply returns the specific shortcode_excludes property that is set.
+	 *
+	 * @since 4.5.0
+	 * @return array
+	 */
+	public function get_specific_shortcode_excludes()
+	{
+		//specific validator filter
+		$shortcode_excludes = apply_filters(
+			'FHEE__' . get_class($this) . '__get_specific_shortcode_excludes;',
+			$this->_specific_shortcode_excludes,
+			$this->_context
+		);
+		//global filter
+		return apply_filters(
+			'FHEE__EE_Messages_Validator__get_specific_shortcode_excludes',
+			$shortcode_excludes,
+			$this->_context,
+			$this
+		);
+	}
+
+
+	/**
+	 * This is the main method that handles validation
+	 * What it does is loop through the _fields (the ones that get validated)
+	 * and checks them against the shortcodes array for the field and the 'type' indicated by the
+	 *
+	 * @access public
+	 * @return mixed (bool|array)  if errors present we return the array otherwise true
+	 */
+	public function validate()
+	{
+		//some defaults
+		$template_fields = $this->_messenger->get_template_fields();
+		//loop through the fields and check!
+		foreach ($this->_fields as $field => $value) {
+			$this->_errors[$field] = array();
+			$err_msg               = '';
+			$field_label           = '';
+			//if field is not present in the _validators array then we continue
+			if (! isset($this->_validators[$field])) {
+				unset($this->_errors[$field]);
+				continue;
+			}
+
+			//get the translated field label!
+			//first check if it's in the main fields list
+			if (isset($template_fields[$field])) {
+				if (empty($template_fields[$field])) {
+					$field_label = $field;
+				} //most likely the field is found in the 'extra' array.
+				else {
+					$field_label = $template_fields[$field]['label'];
+				}
+			}
+
+			// if field label is empty OR is equal to the current field
+			// then we need to loop through the 'extra' fields in the template_fields config (if present)
+			if (isset($template_fields['extra']) && (empty($field_label)) || $field_label == $field) {
+				foreach ($template_fields['extra'] as $main_field => $secondary_field) {
+					foreach ($secondary_field as $name => $values) {
+						if ($name == $field) {
+							$field_label = $values['label'];
+						}
+
+						// if we've got a 'main' secondary field, let's see if that matches what field we're on
+						// which means it contains the label for this field.
+						if ($name == 'main' && $main_field == $field_label) {
+							$field_label = $values['label'];
+						}
+					}
+				}
+			}
+
+			//field is present. Let's validate shortcodes first (but only if shortcodes present).
+			if (
+				isset($this->_validators[$field]['shortcodes'])
+				&& ! empty($this->_validators[$field]['shortcodes'])
+			) {
+				$invalid_shortcodes = $this->_invalid_shortcodes($value, $this->_validators[$field]['shortcodes']);
+				// if true then that means there is a returned error message
+				// that we'll need to add to the _errors array for this field.
+				if ($invalid_shortcodes) {
+					$v_s     = array_keys($this->_validators[$field]['shortcodes']);
+					$err_msg = sprintf(
+						__(
+							'%3$sThe following shortcodes were found in the "%1$s" field that ARE not valid: %2$s%4$s',
+							'event_espresso'
+						),
+						'<strong>' . $field_label . '</strong>',
+						$invalid_shortcodes,
+						'<p>',
+						'</p >'
+					);
+					$err_msg .= sprintf(
+						__('%2$sValid shortcodes for this field are: %1$s%3$s', 'event_espresso'),
+						implode(', ', $v_s),
+						'<strong>',
+						'</strong>'
+					);
+				}
+			}
+
+			//if there's a "type" to be validated then let's do that too.
+			if (isset($this->_validators[$field]['type']) && ! empty($this->_validators[$field]['type'])) {
+				switch ($this->_validators[$field]['type']) {
+					case 'number' :
+						if (! is_numeric($value)) {
+							$err_msg .= sprintf(
+								__(
+									'%3$sThe %1$s field is supposed to be a number. The value given (%2$s)  is not.  Please double-check and make sure the field contains a number%4$s',
+									'event_espresso'
+								),
+								$field_label,
+								$value,
+								'<p>',
+								'</p >'
+							);
+						}
+						break;
+					case 'email' :
+						$valid_email = $this->_validate_email($value);
+						if (! $valid_email) {
+							$err_msg .= htmlentities(
+								sprintf(
+									__(
+										'The %1$s field has at least one string that is not a valid email address record.  Valid emails are in the format: "Name <email@something.com>" or "email@something.com" and multiple emails can be separated by a comma.'
+									),
+									$field_label
+
+								)
+							);
+						}
+						break;
+					default :
+						break;
+				}
+			}
+
+			//if $err_msg isn't empty let's setup the _errors array for this field.
+			if (! empty($err_msg)) {
+				$this->_errors[$field]['msg'] = $err_msg;
+			} else {
+				unset($this->_errors[$field]);
+			}
+		}
+
+		// if we have ANY errors, then we want to make sure we return the values
+		// for ALL the fields so the user doesn't have to retype them all.
+		if (! empty($this->_errors)) {
+			foreach ($this->_fields as $field => $value) {
+				$this->_errors[$field]['value'] = stripslashes($value);
+			}
+		}
+
+		//return any errors or just TRUE if everything validates
+		return empty($this->_errors) ? true : $this->_errors;
+	}
+
+
+	/**
+	 * Reassembles and returns an array of valid shortcodes
+	 * given the array of groups and array of shortcodes indexed by group.
+	 *
+	 * @param  array $groups          array of shortcode groups that we want shortcodes for
+	 * @param  array $codes_from_objs All the codes available.
+	 * @return array                   an array of actual shortcodes (that will be used for validation).
+	 */
+	private function _reassemble_valid_shortcodes_from_group($groups, $codes_from_objs)
+	{
+		$shortcodes = array();
+		foreach ($groups as $group) {
+			$shortcodes = array_merge($shortcodes, $codes_from_objs[$group]);
+		}
+		return $shortcodes;
+	}
+
+
+	/**
+	 * Validates a string against a list of accepted shortcodes
+	 * This function takes in an array of shortcodes
+	 * and makes sure that the given string ONLY contains shortcodes in that array.
+	 *
+	 * @param  string $value            string to evaluate
+	 * @param  array  $valid_shortcodes array of shortcodes that are acceptable.
+	 * @return mixed (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
+	 */
+	protected function _invalid_shortcodes($value, $valid_shortcodes)
+	{
+		//first we need to go through the string and get the shortcodes in the string
+		preg_match_all('/(\[.+?\])/', $value, $matches);
+		$incoming_shortcodes = (array)$matches[0];
+
+		//get a diff of the shortcodes in the string vs the valid shortcodes
+		$diff = array_diff($incoming_shortcodes, array_keys($valid_shortcodes));
+
+		//we need to account for custom codes so let's loop through the diff and remove any of those type of codes
+		foreach ($diff as $ind => $code) {
+			if (preg_match('/(\[[A-Za-z0-9\_]+_\*)/', $code)) {
+				//strip the shortcode so we just have the BASE string (i.e. [ANSWER_*] )
+				$dynamic_sc = preg_replace('/(_\*+.+)/', '_*]', $code);
+				//does this exist in the $valid_shortcodes?  If so then unset.
+				if (isset($valid_shortcodes[$dynamic_sc])) {
+					unset($diff[$ind]);
+				}
+			}
+		}
+
+		if (empty($diff)) {
+			return false;
+		} //there is no diff, we have no invalid shortcodes, so return
+
+		//made it here? then let's assemble the error message
+		$invalid_shortcodes = implode('</strong>,<strong>', $diff);
+		$invalid_shortcodes = '<strong>' . $invalid_shortcodes . '</strong>';
+		return $invalid_shortcodes;
+	}
+
+
+	/**
+	 * Validates an incoming string and makes sure we have valid emails in the string.
+	 *
+	 * @param  string $value incoming value to validate
+	 * @return bool        true if the string validates, false if it doesn't
+	 */
+	protected function _validate_email($value)
+	{
+		$validate = true;
+		$or_val   = $value;
+
+		// empty strings will validate because this is how a message template
+		// for a particular context can be "turned off" (if there is no email then no message)
+		if (empty($value)) {
+			return $validate;
+		}
+
+		// first determine if there ARE any shortcodes.
+		// If there are shortcodes and then later we find that there were no other valid emails
+		// but the field isn't empty...
+		// that means we've got extra commas that were left after stripping out shortcodes so probably still valid.
+		$has_shortcodes = preg_match('/(\[.+?\])/', $value);
+
+		//first we need to strip out all the shortcodes!
+		$value = preg_replace('/(\[.+?\])/', '', $value);
+
+		// if original value is not empty and new value is, then we've parsed out a shortcode
+		// and we now have an empty string which DOES validate.
+		// We also validate complete empty field for email because
+		// its possible that this message is being "turned off" for a particular context
+
+
+		if (! empty($or_val) && empty($value)) {
+			return $validate;
+		}
+
+		//trim any commas from beginning and end of string ( after whitespace trimmed );
+		$value = trim(trim($value), ',');
+
+
+		//next we need to split up the string if its comma delimited.
+		$emails = explode(',', $value);
+		$empty  = false; //used to indicate that there is an empty comma.
+		//now let's loop through the emails and do our checks
+		foreach ($emails as $email) {
+			if (empty($email)) {
+				$empty = true;
+				continue;
+			}
+
+			//trim whitespace
+			$email = trim($email);
+			//either its of type "bob@whatever.com", or its of type "fname lname <few@few.few>"
+			if (is_email($email)) {
+				continue;
+			} else {
+				$matches  = array();
+				$validate = preg_match('/(.*)<(.+)>/', $email, $matches) ? true : false;
+				if ($validate && is_email($matches[2])) {
+					continue;
+				} else {
+					return false;
+				}
+			}
+		}
+
+		$validate = $empty && ! $has_shortcodes ? false : $validate;
+
+		return $validate;
+
+	}
+
+
+	/**
+	 * Magic getter
+	 * Using this to provide back compat with add-ons referencing deprecated properties.
+	 *
+	 * @param string $property Property being requested
+	 * @throws Exception
+	 * @return mixed
+	 */
+	public function __get($property)
+	{
+		$expected_properties_map = array(
+			/**
+			 * @deprecated 4.9.0
+			 */
+			'_MSGR'   => '_messenger',
+			/**
+			 * @deprecated 4.9.0
+			 */
+			'_MSGTYP' => '_message_type',
+		);
+
+		if (isset($expected_properties_map[$property])) {
+			return $this->{$expected_properties_map[$property]};
+		}
+
+		throw new Exception(
+			sprintf(
+				__('The property %1$s being requested on %2$s does not exist', 'event_espresso'),
+				$property,
+				get_class($this)
+			)
+		);
+	}
 
 }

Spacing +16 added lines, -16 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('NO direct script access allowed');
 }
 
@@ -161,9 +161,9 @@ 
         //load messenger
         $messenger = ucwords(str_replace('_', ' ', $this->_m_name));
         $messenger = str_replace(' ', '_', $messenger);
-        $messenger = 'EE_' . $messenger . '_messenger';
+        $messenger = 'EE_'.$messenger.'_messenger';
 
-        if (! class_exists($messenger)) {
+        if ( ! class_exists($messenger)) {
             throw new EE_Error(
                 sprintf(
                     __('There is no messenger class for the given string (%s)', 'event_espresso'),
@@ -177,9 +177,9 @@ 
         //load message type
         $message_type = ucwords(str_replace('_', ' ', $this->_mt_name));
         $message_type = str_replace(' ', '_', $message_type);
-        $message_type = 'EE_' . $message_type . '_message_type';
+        $message_type = 'EE_'.$message_type.'_message_type';
 
-        if (! class_exists($message_type)) {
+        if ( ! class_exists($message_type)) {
             throw new EE_Error(
                 sprintf(
                     __('There is no message type class for the given string (%s)', 'event_espresso'),
@@ -236,7 +236,7 @@ 
         foreach ($shortcode_groups as $group) {
             $ref       = ucwords(str_replace('_', ' ', $group));
             $ref       = str_replace(' ', '_', $ref);
-            $classname = 'EE_' . $ref . '_Shortcodes';
+            $classname = 'EE_'.$ref.'_Shortcodes';
             if (class_exists($classname)) {
                 $a                       = new ReflectionClass($classname);
                 $obj                     = $a->newInstance();
@@ -330,7 +330,7 @@ 
     {
         //specific validator filter
         $shortcode_excludes = apply_filters(
-            'FHEE__' . get_class($this) . '__get_specific_shortcode_excludes;',
+            'FHEE__'.get_class($this).'__get_specific_shortcode_excludes;',
             $this->_specific_shortcode_excludes,
             $this->_context
         );
@@ -362,7 +362,7 @@ 
             $err_msg               = '';
             $field_label           = '';
             //if field is not present in the _validators array then we continue
-            if (! isset($this->_validators[$field])) {
+            if ( ! isset($this->_validators[$field])) {
                 unset($this->_errors[$field]);
                 continue;
             }
@@ -411,7 +411,7 @@ 
                             '%3$sThe following shortcodes were found in the "%1$s" field that ARE not valid: %2$s%4$s',
                             'event_espresso'
                         ),
-                        '<strong>' . $field_label . '</strong>',
+                        '<strong>'.$field_label.'</strong>',
                         $invalid_shortcodes,
                         '<p>',
                         '</p >'
@@ -429,7 +429,7 @@ 
             if (isset($this->_validators[$field]['type']) && ! empty($this->_validators[$field]['type'])) {
                 switch ($this->_validators[$field]['type']) {
                     case 'number' :
-                        if (! is_numeric($value)) {
+                        if ( ! is_numeric($value)) {
                             $err_msg .= sprintf(
                                 __(
                                     '%3$sThe %1$s field is supposed to be a number. The value given (%2$s)  is not.  Please double-check and make sure the field contains a number%4$s',
@@ -444,7 +444,7 @@ 
                         break;
                     case 'email' :
                         $valid_email = $this->_validate_email($value);
-                        if (! $valid_email) {
+                        if ( ! $valid_email) {
                             $err_msg .= htmlentities(
                                 sprintf(
                                     __(
@@ -462,7 +462,7 @@ 
             }
 
             //if $err_msg isn't empty let's setup the _errors array for this field.
-            if (! empty($err_msg)) {
+            if ( ! empty($err_msg)) {
                 $this->_errors[$field]['msg'] = $err_msg;
             } else {
                 unset($this->_errors[$field]);
@@ -471,7 +471,7 @@ 
 
         // if we have ANY errors, then we want to make sure we return the values
         // for ALL the fields so the user doesn't have to retype them all.
-        if (! empty($this->_errors)) {
+        if ( ! empty($this->_errors)) {
             foreach ($this->_fields as $field => $value) {
                 $this->_errors[$field]['value'] = stripslashes($value);
             }
@@ -513,7 +513,7 @@ 
     {
         //first we need to go through the string and get the shortcodes in the string
         preg_match_all('/(\[.+?\])/', $value, $matches);
-        $incoming_shortcodes = (array)$matches[0];
+        $incoming_shortcodes = (array) $matches[0];
 
         //get a diff of the shortcodes in the string vs the valid shortcodes
         $diff = array_diff($incoming_shortcodes, array_keys($valid_shortcodes));
@@ -536,7 +536,7 @@ 
 
         //made it here? then let's assemble the error message
         $invalid_shortcodes = implode('</strong>,<strong>', $diff);
-        $invalid_shortcodes = '<strong>' . $invalid_shortcodes . '</strong>';
+        $invalid_shortcodes = '<strong>'.$invalid_shortcodes.'</strong>';
         return $invalid_shortcodes;
     }
 
@@ -573,7 +573,7 @@ 
         // its possible that this message is being "turned off" for a particular context
 
 
-        if (! empty($or_val) && empty($value)) {
+        if ( ! empty($or_val) && empty($value)) {
             return $validate;
         }
 

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

Indentation +77 added lines, -77 removed lines

@@ -9,7 +9,7 @@ 
 use EEH_DTT_Helper;
 
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -25,85 +25,85 @@ 
 class Read
 {
 
-    /**
-     * @param WP_REST_Request $request
-     * @param string           $version
-     * @return EE_Config|WP_Error
-     */
-    public static function handleRequest(WP_REST_Request $request, $version)
-    {
-        $cap = EE_Restriction_Generator_Base::get_default_restrictions_cap();
-        if (EE_Capabilities::instance()->current_user_can($cap, 'read_over_api')) {
-            return EE_Config::instance();
-        } else {
-            return new WP_Error(
-                'cannot_read_config',
-                sprintf(
-                    __(
-                        'You do not have the necessary capabilities (%s) to read Event Espresso Configuration data',
-                        'event_espresso'
-                    ),
-                    $cap
-                ),
-                array('status' => 403)
-            );
-        }
-    }
+	/**
+	 * @param WP_REST_Request $request
+	 * @param string           $version
+	 * @return EE_Config|WP_Error
+	 */
+	public static function handleRequest(WP_REST_Request $request, $version)
+	{
+		$cap = EE_Restriction_Generator_Base::get_default_restrictions_cap();
+		if (EE_Capabilities::instance()->current_user_can($cap, 'read_over_api')) {
+			return EE_Config::instance();
+		} else {
+			return new WP_Error(
+				'cannot_read_config',
+				sprintf(
+					__(
+						'You do not have the necessary capabilities (%s) to read Event Espresso Configuration data',
+						'event_espresso'
+					),
+					$cap
+				),
+				array('status' => 403)
+			);
+		}
+	}
 
 
 
-    /**
-     * Handles the request for public site info
-     *
-     * @global                 $wp_json_basic_auth_success       boolean set by the basic auth plugin, indicates if the
-     *                         current user could be authenticated using basic auth data
-     * @global                 $wp_json_basic_auth_received_data boolean set by the basic auth plugin, indicates if
-     *                         basic auth data was somehow received
-     * @param WP_REST_Request $request
-     * @param string           $version
-     * @return array|WP_Error
-     */
-    public static function handleRequestSiteInfo(WP_REST_Request $request, $version)
-    {
-        global $wp_json_basic_auth_success, $wp_json_basic_auth_received_data;
-        $insecure_usage_of_basic_auth = apply_filters(
-            // @codingStandardsIgnoreStart
-            'EventEspresso__core__libraries__rest_api__controllers__config__handle_request_site_info__insecure_usage_of_basic_auth',
-            // @codingStandardsIgnoreEnd
-            $wp_json_basic_auth_success && ! is_ssl(),
-            $request
-        );
-        if ($insecure_usage_of_basic_auth) {
-            $warning = sprintf(
-                esc_html__(
-                    // @codingStandardsIgnoreStart
-                    'Notice: We strongly recommend installing an SSL Certificate on your website to keep your data secure. %1$sPlease see our recommendations.%2$s',
-                    // @codingStandardsIgnoreEnd
-                    'event_espresso'
-                ),
-                '<a href="https://eventespresso.com/wiki/rest-api-security-recommendations/">',
-                '</a>'
-            );
-        } else {
-            $warning = '';
-        }
-        return apply_filters(
-            'FHEE__EventEspresso_core_libraries_rest_api_controllers_config__handleRequestSiteInfo__return_val',
-            array(
-                'default_timezone' => array(
-                    'pretty' => EEH_DTT_Helper::get_timezone_string_for_display(),
-                    'string' => get_option('timezone_string'),
-                    'offset' => EEH_DTT_Helper::get_site_timezone_gmt_offset(),
-                ),
-                'default_currency' => EE_Config::instance()->currency,
-                'authentication'   => array(
-                    'received_basic_auth_data'     => (bool)$wp_json_basic_auth_received_data,
-                    'insecure_usage_of_basic_auth' => (bool)$insecure_usage_of_basic_auth,
-                    'warning'                      => $warning
-                )
-            )
-        );
-    }
+	/**
+	 * Handles the request for public site info
+	 *
+	 * @global                 $wp_json_basic_auth_success       boolean set by the basic auth plugin, indicates if the
+	 *                         current user could be authenticated using basic auth data
+	 * @global                 $wp_json_basic_auth_received_data boolean set by the basic auth plugin, indicates if
+	 *                         basic auth data was somehow received
+	 * @param WP_REST_Request $request
+	 * @param string           $version
+	 * @return array|WP_Error
+	 */
+	public static function handleRequestSiteInfo(WP_REST_Request $request, $version)
+	{
+		global $wp_json_basic_auth_success, $wp_json_basic_auth_received_data;
+		$insecure_usage_of_basic_auth = apply_filters(
+			// @codingStandardsIgnoreStart
+			'EventEspresso__core__libraries__rest_api__controllers__config__handle_request_site_info__insecure_usage_of_basic_auth',
+			// @codingStandardsIgnoreEnd
+			$wp_json_basic_auth_success && ! is_ssl(),
+			$request
+		);
+		if ($insecure_usage_of_basic_auth) {
+			$warning = sprintf(
+				esc_html__(
+					// @codingStandardsIgnoreStart
+					'Notice: We strongly recommend installing an SSL Certificate on your website to keep your data secure. %1$sPlease see our recommendations.%2$s',
+					// @codingStandardsIgnoreEnd
+					'event_espresso'
+				),
+				'<a href="https://eventespresso.com/wiki/rest-api-security-recommendations/">',
+				'</a>'
+			);
+		} else {
+			$warning = '';
+		}
+		return apply_filters(
+			'FHEE__EventEspresso_core_libraries_rest_api_controllers_config__handleRequestSiteInfo__return_val',
+			array(
+				'default_timezone' => array(
+					'pretty' => EEH_DTT_Helper::get_timezone_string_for_display(),
+					'string' => get_option('timezone_string'),
+					'offset' => EEH_DTT_Helper::get_site_timezone_gmt_offset(),
+				),
+				'default_currency' => EE_Config::instance()->currency,
+				'authentication'   => array(
+					'received_basic_auth_data'     => (bool)$wp_json_basic_auth_received_data,
+					'insecure_usage_of_basic_auth' => (bool)$insecure_usage_of_basic_auth,
+					'warning'                      => $warning
+				)
+			)
+		);
+	}
 }
 
 // End of file Read.php

Spacing +3 added lines, -3 removed lines

@@ -8,7 +8,7 @@ 
 use EE_Restriction_Generator_Base;
 use EEH_DTT_Helper;
 
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('No direct script access allowed');
 }
 
@@ -97,8 +97,8 @@ 
                 ),
                 'default_currency' => EE_Config::instance()->currency,
                 'authentication'   => array(
-                    'received_basic_auth_data'     => (bool)$wp_json_basic_auth_received_data,
-                    'insecure_usage_of_basic_auth' => (bool)$insecure_usage_of_basic_auth,
+                    'received_basic_auth_data'     => (bool) $wp_json_basic_auth_received_data,
+                    'insecure_usage_of_basic_auth' => (bool) $insecure_usage_of_basic_auth,
                     'warning'                      => $warning
                 )
             )