Ticket #2488: 2488.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 ){
+        
+                //get the forum associated with the group
+                $forums = groups_get_groupmeta( $group_id, 'forum_id' );
+                if( empty( $forums ) ){
+                        return false;
+                }
+        
+                foreach( $forums as $forum ){
+                        
+                        //get a user's forum and topic subscriptions    
+                        $forum_subscriptions = bbp_get_user_subscribed_forum_ids( $user_id );
+                        $topic_subscriptions = bbp_get_user_subscribed_topic_ids( $user_id );
+                
+                        //bail if no subscriptions
+                        if( empty( $forum_subscriptions ) && empty( $topic_subscriptions ) ){
+                                return false;
+                        }
+                        
+                        $group_forums_subscribed = array_intersect( (array) $forum, $forum_subscriptions );
+                        //unsubscribe if subscribed to the forum
+                        if( !empty( $group_forums_subscribed ) ){
+                                foreach( $group_forums_subscribed as $group_forum_subscribed ){
+                                        bbp_remove_user_subscription( $user_id, $group_forum_subscribed );
+                                }
+                        }
+                
+                        //get all the child topics for the forum, no matter what they are 
+                        $topics = (array) bbp_get_all_child_ids( $forum, 'topic' );
+                
+                        //are any of the forum topics in the user's topic subscriptions?
+                        $group_topics_subscribed = array_intersect( $topics, $topic_subscriptions );
+        
+                        //if they are, unsubscribe them
+                        if( !empty( $group_topics_subscribed ) ){
+                                foreach( $group_topics_subscribed as $group_topic_subscribed ){
+                                        bbp_remove_user_subscription( $user_id, $group_topic_subscribed );
+                                }
+                
+                        }
+                }
+        
+                $unsubs = ( !empty( $group_forums_subscribed ) || !empty( $group_topics_subscribed ) ) ? true : false;
+                return $unsubs;
+        }
 }
 endif;