Ticket #2488: 2488.2.diff

src/includes/extend/buddypress/groups.php

@@ -98 +98 @@
 
                 // Adds a hidden input value to the "Group Settings" page
                 add_action( 'bp_before_group_settings_admin', array( $this, 'group_settings_hidden_field'    ) );
+
+                // When a member is banned from a group, unsubscribe from forum and its topics
+                add_action( 'groups_ban_member',                         array( $this, 'leave_group_unsubscribe'), 10, 2        );      
+
+                // When a member is removed from a group, unsubscribe from forum and its topics
+                add_action( 'groups_remove_member',             array( $this, 'leave_group_unsubscribe'), 10, 2         );
+
+                // When a member leaves a group, unsubscribe from forum and its topics
+                add_action( 'groups_leave_group',                       array( $this, 'leave_group_unsubscribe'), 10, 2         );
         }
 
         /**
@@ -1462 +1471 @@
 
                 return $args;
         }
+
+
+/**
+         * Unsubscribe user from all forums and topics when leaving a group
+         *
+         * @since 
+         *
+         * @param int $group_id  ID of the group.
+         * @param int $user_id The user whose subscriptions need to be deleted.
+         * @return bool true if any have been deleted
+         */
+        public function leave_group_unsubscribe( $group_id, $user_id ){
+
+                $unsub = false;
+
+                // By default, everything is unfavorited and unsubscribed when someone leaves or gets banned or removed
+                // true means "unsubscribe and unfavorite", false means "leave as is" 
+                // eg 'ban_public' => true means if someone is banned from a public group, 
+                // they will be unsubscribed and their favorites will be removed.
+                $defaults = array(
+                        'leave_hidden' => true, 
+                        'leave_private' => true,
+                        'leave_public' => true,
+                        'remove_hidden' => true,
+                        'remove_private' => true,
+                        'remove_public' => true,
+                        'ban_hidden' => true,
+                        'ban_private' => true,
+                        'ban_public' => true
+                );
+
+                
+                $args = array();
+                
+                // You can change the defaults by using add_filter( ' bbp_before_group_unsubscribe_parse_args', 'your_function')
+                // your_function() should return an array with whatever you'd like to change. 
+                $args = bbp_parse_args( $args, $defaults, $filter_key = 'group_unsubscribe'  );
+
+                // Is a user leaving / being removed / getting banned
+                $current_filter = current_filter();
+                
+                if( $current_filter == 'groups_remove_member'){
+                        $action = 'remove';
+                } elseif( $current_filter == 'groups_ban_member'){
+                        $action = 'ban';
+                } else {
+                        $action = 'leave';
+                }
+
+                $statuses = array();
+
+                // Make an array of the statuses to act upon for the action (leave / remove / ban)
+                foreach( $args as $key => $value ){
+                        if ( strpos( $key, $action ) !== false && $value == true ){
+                                $status = explode( '_', $key );
+                                $statuses[] = $status[1];
+                        }
+                }
+
+                // What is the group status?
+                $group_status = groups_get_group( array( 'group_id' => $group_id  ) ) -> status;
+
+                // If this status is not in the array of statuses, bail
+                if( ! in_array( $group_status, $statuses ) ){
+                        return false;
+                }
+
+                // Get the forum associated with the group, if there's none, bail
+                $forums = groups_get_groupmeta( $group_id, 'forum_id' );
+                if( empty( $forums ) ){
+                        return false;
+                }
+
+                // Get the user's forum and topic subcriptions
+                $forum_subscriptions = bbp_get_user_subscribed_forum_ids( $user_id );
+                $topic_subscriptions = bbp_get_user_subscribed_topic_ids( $user_id );
+
+                // Get the user's topic favorites
+                $topic_favorites = bbp_get_user_favorites_topic_ids( $user_id );
+                
+                //  If no subscriptions, bail
+                if( empty( $forum_subscriptions ) && empty( $topic_subscriptions) && empty( $topic_favorites ) ){
+                        return false;
+                }
+        
+                // Loop over all of the forums to get all the topics
+                foreach( $forums as $forum ){
+        
+                        // Unsubscribe if subscribed to the forum
+                        if( in_array( $forum, $forum_subscriptions ) ){                 
+                                        bbp_remove_user_subscription( $user_id, $forum );
+                                        $unsub = true;
+                        }
+                
+                        // Get all the child topics for the forum
+                        $topics = bbp_get_all_child_ids( $forum, 'topic' );
+                
+                        // Get the child topics which are also in the user's topic subscriptions
+                        $group_topics_subscribed = array_intersect( $topics, $topic_subscriptions );
+
+                        // Get the child topics which are also in the user's topic favorites
+                        $group_topics_favorited = array_intersect( $topics, $topic_favorites );
+
+        
+                        // Unsubscribe them after checking if there are any 
+                        if( !empty( $group_topics_subscribed ) ){
+                                foreach( $group_topics_subscribed as $group_topic_subscribed ){
+                                        bbp_remove_user_subscription( $user_id, $group_topic_subscribed );
+                                        $unsub = true;
+                                }
+                        }
+
+                        // Unfavorite (defavorite?) them after checking if there are any 
+                        if( !empty( $group_topics_favorited ) ){
+                                foreach( $group_topics_favorited as $group_topic_favorited ){
+                                        bbp_remove_user_favorite( $user_id, $group_topic_subscribed );
+                                        $unsub = true;
+                                }
+                        }
+                }
+
+                return $unsub;
+        }
+
 }
 endif;