Ticket #5130: 5130.02.patch

bp-activity/bp-activity-functions.php

@@ -1507 +1507 @@
          * You may want to hook into this filter if you want to override this function and
          * handle the deletion of child comments differently. Make sure you return false.
          */
-        if ( !apply_filters( 'bp_activity_delete_comment_pre', true, $activity_id, $comment_id ) )
-                return false;
+        if ( ! apply_filters( 'bp_activity_delete_comment_pre', true, $activity_id, $comment_id ) ) {
+                return true;
+        }
 
         // Delete any children of this comment.
         bp_activity_delete_children( $activity_id, $comment_id );

bp-activity/bp-activity-template.php

@@ -2972 +2972 @@
         }
 
 /**
+ * Recurse through all activity comments and return the activity comment IDs.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @param array $activity Array of activities generated from {@link bp_activity_get()}.
+ * @return array
+ */
+function bp_activity_recurse_comments_activity_ids( $activity = array(), $activity_ids = array() ) {
+        if ( is_array( $activity ) && ! empty( $activity['activities'] ) ) {
+                $activity = $activity['activities'][0]; 
+        }
+
+        if ( ! empty( $activity->children ) ) {
+                foreach ($activity->children as $child ) {
+                        $activity_ids[] = $child->id;
+
+                        if( ! empty( $child->children ) ) {
+                                $activity_ids = bp_activity_recurse_comments_activity_ids( $child, $activity_ids );
+                        }
+                }
+        }
+
+        return $activity_ids;
+}
+
+/**
  * Output the mentionname for the displayed user.
  *
  * @since BuddyPress (1.9.0)

bp-blogs/bp-blogs-activity.php

@@ -345 +345 @@
                 'secondary_item_id' => $secondary_item_id
         ) );
 }
+
+/**
+ * Syncs activity comments and posts them back as blog comments.
+ *
+ * Note: This is only a one-way sync - activity comments -> blog comment.
+ *
+ * For blog post -> activity comment, see {@link bp_blogs_record_comment()}.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @param int $comment_id The activity ID for the posted activity comment.
+ * @param array $params Parameters for the activity comment.
+ * @param object Parameters of the parent activity item (in this case, the blog post).
+ */
+function bp_blogs_sync_add_from_activity_comment( $comment_id, $params, $parent_activity ) {
+        // if parent activity isn't a blog post, stop now!
+        if ( $parent_activity->type != 'new_blog_post' ) {
+                return;
+        }
+
+        // if activity comments are disabled for blog posts, stop now!
+        if ( bp_disable_blogforum_comments() ) {
+                return;
+        }
+
+        // get userdata
+        if ( $params['user_id'] == bp_loggedin_user_id() ) {
+                $user = buddypress()->loggedin_user->userdata;
+        } else {
+                $user = bp_core_get_core_userdata( $params['user_id'] );
+        }
+
+        // see if a parent WP comment ID exists
+        if ( ! empty( $params['parent_id'] ) ) {
+                $comment_parent = bp_activity_get_meta( $params['parent_id'], 'bp_blogs_post_comment_id' );
+        } else {
+                $comment_parent = 0;
+        }
+
+        // comment args
+        $args = array(
+                'comment_post_ID'      => $parent_activity->secondary_item_id,
+                'comment_author'       => bp_core_get_user_displayname( $params['user_id'] ),
+                'comment_author_email' => $user->user_email,
+                'comment_author_url'   => bp_core_get_user_domain( $params['user_id'], $user->user_nicename, $user->user_login ),
+                'comment_content'      => $params['content'],
+                'comment_type'         => '', // could be interesting to add 'buddypress' here...
+                'comment_parent'       => (int) $comment_parent,
+                'user_id'              => $params['user_id'],
+
+                // commenting these out for now
+                //'comment_author_IP'    => '127.0.0.1',
+                //'comment_agent'        => '',
+
+                'comment_approved'     => 1
+        );
+
+        // prevent separate activity entry being made
+        remove_action( 'comment_post', 'bp_blogs_record_comment', 10, 2 );
+
+        // handle multisite
+        switch_to_blog( $parent_activity->item_id );
+
+        // handle timestamps for the WP comment after we've switched to the blog
+        $args['comment_date']     = current_time( 'mysql' );
+        $args['comment_date_gmt'] = current_time( 'mysql', 1 );
+
+        // post the comment
+        $post_comment_id = wp_insert_comment( $args );
+
+        // add meta to comment
+        add_comment_meta( $post_comment_id, 'bp_activity_comment_id', $comment_id );
+
+        // add meta to activity comment
+        bp_activity_update_meta( $comment_id, 'bp_blogs_post_comment_id', $post_comment_id );
+
+        // resave activity comment with WP comment permalink
+        //
+        // in bp_blogs_activity_comment_permalink(), we change activity comment
+        // permalinks to use the post comment link
+        //
+        // @todo since this is done after AJAX posting, the activity comment permalink
+        //       doesn't change on the frontend until the next page refresh.
+        $resave_activity = new BP_Activity_Activity( $comment_id );
+        $resave_activity->primary_link = get_comment_link( $post_comment_id );
+        $resave_activity->save();
+
+        // multisite again!
+        restore_current_blog();
+
+        // add the comment hook back
+        add_action( 'comment_post', 'bp_blogs_record_comment', 10, 2 );
+
+        do_action( 'bp_blogs_sync_add_from_activity_comment', $comment_id, $args, $parent_activity, $user );
+}
+
+/**
+ * Deletes the blog comment when the associated activity comment is deleted.
+ *
+ * Note: This is hooked on the 'bp_activity_delete_comment_pre' filter instead
+ * of the 'bp_activity_delete_comment' action because we need to fetch the
+ * activity comment children before they are deleted.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @param bool $retval
+ * @param int $parent_activity_id The parent activity ID for the activity comment.
+ * @param int $activity_id The activity ID for the pending deleted activity comment.
+ */
+function bp_blogs_sync_delete_from_activity_comment( $retval, $parent_activity_id, $activity_id ) {
+        // check if parent activity is a blog post
+        $parent_activity = new BP_Activity_Activity( $parent_activity_id );
+        if ( 'new_blog_post' != $parent_activity->type ) {
+                return $retval;
+        }
+
+        // fetch the activity comments for the activity item
+        $activity = bp_activity_get( array(
+                'in'               => $activity_id,
+                'display_comments' => 'stream',
+        ) );
+
+        // get all activity comment IDs for the pending deleted item
+        $activity_ids   = bp_activity_recurse_comments_activity_ids( $activity );
+        $activity_ids[] = $activity_id;
+
+        // handle multisite
+        // switch to the blog where the comment was made
+        switch_to_blog( $parent_activity->item_id );
+
+        // remove associated blog comments
+        bp_blogs_remove_associated_blog_comments( $activity_ids );
+
+        // multisite again!
+        restore_current_blog();
+
+        // rebuild activity comment tree
+        // emulate bp_activity_delete_comment()
+        BP_Activity_Activity::rebuild_activity_comment_tree( $parent_activity_id );
+
+        // we're overriding the default bp_activity_delete_comment() functionality
+        // so we need to return false
+        return false;
+}
+
+/**
+ * Utility function to set up some variables for use in the activity loop.
+ *
+ * Grabs the blog's comment depth and the post's open comment status options
+ * for later use in the activity and activity comment loops.
+ *
+ * This is to prevent having to requery these items later on.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @see bp_blogs_disable_activity_commenting()
+ * @see bp_blogs_setup_comment_loop_globals_on_ajax()
+ *
+ * @param array $r {
+ *     @type int $blog_id The blog ID to check.
+ *     @type int $post_id The post ID to check.
+ *     @type string $type The activity type to check.
+ * }
+ */
+function bp_blogs_setup_activity_loop_globals( $r = array() ) {
+        if ( empty( $r['blog_id'] ) || empty( $r['post_id'] ) || empty( $r['type'] ) ) {
+                return;
+        }
+
+        // parent not a blog post? stop now!
+        if ( 'new_blog_post' !== $r['type'] ) {
+                return;
+        }
+
+        // BP's 'comments_open' filter trumps all!
+        // so we have to remove it temporarily
+        remove_filter( 'comments_open', 'bp_comments_open', 10, 2 );
+
+        // handle multisite
+        switch_to_blog( $r['blog_id'] );
+
+        // check if the WP post allows comments
+        // this also checks if comments should be closed based on age if enabled
+        $allow_comments = comments_open( $r['post_id'] );
+
+        // check the comment thread depth for the blog
+        $thread_depth = (int) get_option( 'thread_comments' );
+        if ( ! empty( $thread_depth ) ) {
+                $thread_depth = get_option( 'thread_comments_depth' );
+        } else {
+                $thread_depth = 1;
+        }
+
+        restore_current_blog();
+
+        // reinstate BP's comment filter
+        add_filter( 'comments_open', 'bp_comments_open', 10, 2 );
+
+        // initialize a local object so we won't have to query this again in the
+        // comment loop
+        if ( empty( buddypress()->blogs->allow_comments ) ) {
+                buddypress()->blogs->allow_comments = array();
+        }
+        if ( empty( buddypress()->blogs->thread_depth ) ) {
+                buddypress()->blogs->thread_depth   = array();
+        }
+
+        // cache comment settings in the buddypress() singleton to reference later in
+        // the activity comment loop
+        // @see bp_blogs_disable_activity_replies()
+        //
+        // thread_depth is keyed by activity ID instead of blog ID because when we're
+        // in a comment loop, we don't have access to the blog ID...
+        // should probably object cache these values instead...
+        buddypress()->blogs->allow_comments[bp_get_activity_id()] = $allow_comments;
+        buddypress()->blogs->thread_depth[bp_get_activity_id()]   = $thread_depth;
+}
+
+/**
+ * Set up some globals used in the activity comment loop when AJAX is used.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @see bp_blogs_setup_activity_loop_globals()
+ */
+function bp_blogs_setup_comment_loop_globals_on_ajax() {
+        // not AJAX? stop now!
+        if ( ! defined( 'DOING_AJAX' ) ) {
+                return;
+        }
+        if ( false === (bool) constant( 'DOING_AJAX' ) ) {
+                return;
+        }
+
+        // get the parent activity item
+        $comment         = bp_activity_current_comment();
+        $parent_activity = new BP_Activity_Activity( $comment->item_id );
+
+        // setup the globals
+        bp_blogs_setup_activity_loop_globals( array(
+                'blog_id' => $parent_activity->item_id,
+                'post_id' => $parent_activity->secondary_item_id,
+                'type'    => $parent_activity->type,
+        ) );
+}
+add_action( 'bp_before_activity_comment', 'bp_blogs_setup_comment_loop_globals_on_ajax' );
+
+/**
+ * Disable activity commenting for blog posts based on certain criteria.
+ *
+ * If activity commenting is enabled for blog posts, we still need to disable
+ * commenting if:
+ *  - comments are disabled for the WP blog post from the admin dashboard
+ *  - the WP blog post is supposed to be automatically closed from comments
+ *    based on a certain age
+ *  - the activity entry is a 'new_blog_comment' type
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @param bool $retval Is activity commenting enabled for this activity entry?
+ * @return bool
+ */
+function bp_blogs_disable_activity_commenting( $retval ) {
+        // if activity commenting is disabled, return current value
+        if ( bp_disable_blogforum_comments() ) {
+                return $retval;
+        }
+
+        // activity commenting is enabled for blog posts
+        switch ( bp_get_activity_action_name() ) {
+
+                // we still have to disable activity commenting for 'new_blog_comment' items
+                // commenting should only be done on the parent 'new_blog_post' item
+                case 'new_blog_comment' :
+                        $retval = false;
+
+                        break;
+
+                // check if commenting is disabled for the WP blog post
+                // we should extrapolate this and automate this for plugins... or not
+                case 'new_blog_post' :
+
+                        // setup some globals we'll need to reference later
+                        bp_blogs_setup_activity_loop_globals( array(
+                                'blog_id' => bp_get_activity_item_id(),
+                                'post_id' => bp_get_activity_secondary_item_id(),
+                                'type'    => bp_get_activity_action_name(),
+                        ) );
+
+                        // if comments are closed for the WP blog post, we should disable
+                        // activity comments for this activity entry
+                        if ( empty( buddypress()->blogs->allow_comments[bp_get_activity_id()] ) ) {
+                                $retval = false;
+                        }
+
+                        break;
+        }
+
+        return $retval;
+}
+add_filter( 'bp_activity_can_comment', 'bp_blogs_disable_activity_commenting' );
+
+/**
+ * Disables replying to activity comments if the corresponding WP blog post no
+ * longer accepts comments.
+ *
+ * This check uses a locally-cached value set in {@link bp_blogs_disable_activity_commenting()}
+ * via {@link bp_blogs_setup_activity_loop_globals()}.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @param bool $retval Are replies allowed for this activity reply?
+ * @param object $comment The activity comment object
+ * @return bool
+ */
+function bp_blogs_disable_activity_replies( $retval, $comment ) {
+        // check comment depth and disable if depth is too large
+        if ( isset( buddypress()->blogs->thread_depth[$comment->item_id] ) ){
+                if ( $comment->mptt_left > buddypress()->blogs->thread_depth[$comment->item_id] ) {
+                        $retval = false;
+                }
+        }
+
+        // check if we should disable activity replies based on the parent activity
+        if ( isset( buddypress()->blogs->allow_comments[$comment->item_id] ) ){
+                // the blog post has closed off commenting, so we should disable all activity
+                // comments under the parent 'new_blog_post' activity entry
+                if ( empty( buddypress()->blogs->allow_comments[$comment->item_id] ) ) {
+                        $retval = false;
+                }
+        }
+
+        return $retval;
+}
+add_filter( 'bp_activity_can_comment_reply', 'bp_blogs_disable_activity_replies', 10, 2 );
+
+/**
+ * Changes activity comment permalinks to use the blog comment permalink
+ * instead of the activity permalink.
+ *
+ * This is only done if activity commenting is allowed and whether the parent
+ * activity item is a 'new_blog_post' entry.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @param string $retval The activity comment permalink
+ * @return string
+ */
+function bp_blogs_activity_comment_permalink( $retval ) {
+        global $activities_template;
+
+        if ( isset( buddypress()->blogs->allow_comments[$activities_template->activity->current_comment->item_id] ) ){
+                $retval = $activities_template->activity->current_comment->primary_link;
+        }
+
+        return $retval;
+}
+add_filter( 'bp_get_activity_comment_permalink', 'bp_blogs_activity_comment_permalink' );

bp-blogs/bp-blogs-functions.php

@@ -441 +441 @@
                 $post_permalink = get_permalink( $recorded_comment->comment_post_ID );
                 $comment_link   = get_comment_link( $recorded_comment->comment_ID );
 
-                // Prepare to record in activity streams
-                if ( is_multisite() )
-                        $activity_action = sprintf( __( '%1$s commented on the post, %2$s, on the site %3$s', 'buddypress' ), bp_core_get_userlink( $user_id ), '<a href="' . $post_permalink . '">' . apply_filters( 'the_title', $recorded_comment->post->post_title ) . '</a>', '<a href="' . get_blog_option( $blog_id, 'home' ) . '">' . get_blog_option( $blog_id, 'blogname' ) . '</a>' );
-                else
-                        $activity_action = sprintf( __( '%1$s commented on the post, %2$s', 'buddypress' ), bp_core_get_userlink( $user_id ), '<a href="' . $post_permalink . '">' . apply_filters( 'the_title', $recorded_comment->post->post_title ) . '</a>' );
+                // Setup activity args
+                $args = array();
+
+                $args['user_id']       = $user_id;
+                $args['content']       = apply_filters_ref_array( 'bp_blogs_activity_new_comment_content', array( $recorded_comment->comment_content, &$recorded_comment, $comment_link ) );
+                $args['primary_link']  = apply_filters_ref_array( 'bp_blogs_activity_new_comment_primary_link', array( $comment_link,     &$recorded_comment ) );
+                $args['recorded_time'] = $recorded_comment->comment_date_gmt;
+
+                if ( is_multisite() ) {
+                        $args['action'] = sprintf( __( '%1$s commented on the post, %2$s, on the site %3$s', 'buddypress' ), bp_core_get_userlink( $user_id ), '<a href="' . $post_permalink . '">' . apply_filters( 'the_title', $recorded_comment->post->post_title ) . '</a>', '<a href="' . get_blog_option( $blog_id, 'home' ) . '">' . get_blog_option( $blog_id, 'blogname' ) . '</a>' );
+                } else {
+                        $args['action'] = sprintf( __( '%1$s commented on the post, %2$s', 'buddypress' ), bp_core_get_userlink( $user_id ), '<a href="' . $post_permalink . '">' . apply_filters( 'the_title', $recorded_comment->post->post_title ) . '</a>' );
+                }
+
+                // Setup some different activity args depending if activity commenting is
+                // enabled or not
+
+                // if cannot comment, record separate activity entry
+                // this is the old way of doing things
+                if ( bp_disable_blogforum_comments() ) {
+                        $args['type']              = 'new_blog_comment';
+                        $args['item_id']           = $blog_id;
+                        $args['secondary_item_id'] = $comment_id;
+
+                        // record the activity entry
+                        bp_blogs_record_activity( $args );
+
+                // record comment as BP activity comment under the parent 'new_blog_post'
+                // activity item
+                } else {
+                        // find the parent 'new_blog_post' activity entry
+                        $parent_activity_id = bp_activity_get_activity_id( array(
+                                'user_id'           => $user_id,
+                                'component'         => 'blogs',
+                                'type'              => 'new_blog_post',
+                                'item_id'           => $blog_id,
+                                'secondary_item_id' => $recorded_comment->comment_post_ID
+                        ) );
+
+                        // we found the parent activity entry
+                        // so let's go ahead and reconfigure some activity args
+                        if ( ! empty( $parent_activity_id ) ) {
+                                // set the 'item_id' with the parent activity entry ID
+                                $args['item_id'] = $parent_activity_id;
+
+                                // now see if the WP parent comment has a BP activity ID
+                                $comment_parent = 0;
+                                if ( ! empty( $recorded_comment->comment_parent ) ) {
+                                        $comment_parent = get_comment_meta( $recorded_comment->comment_parent, 'bp_activity_comment_id', true );
+                                }
 
-                $activity_content       = $recorded_comment->comment_content;
+                                // WP parent comment does not have a BP activity ID
+                                // so set to 'new_blog_post' activity ID
+                                if ( empty( $comment_parent ) ) {
+                                        $comment_parent = $parent_activity_id;
+                                }
 
-                // Record in activity streams
-                bp_blogs_record_activity( array(
-                        'user_id'           => $user_id,
-                        'content'           => apply_filters_ref_array( 'bp_blogs_activity_new_comment_content',      array( $activity_content, &$recorded_comment, $comment_link ) ),
-                        'primary_link'      => apply_filters_ref_array( 'bp_blogs_activity_new_comment_primary_link', array( $comment_link,     &$recorded_comment                ) ),
-                        'type'              => 'new_blog_comment',
-                        'item_id'           => $blog_id,
-                        'secondary_item_id' => $comment_id,
-                        'recorded_time'     => $recorded_comment->comment_date_gmt
-                ) );
+                                $args['secondary_item_id'] = $comment_parent;
+                                $args['component']         = 'activity';
+                                $args['type']              = 'activity_comment';
+
+                        // could not find corresponding parent activity entry
+                        // so wipe out $args array
+                        } else {
+                                $args = array();
+                        }
+
+                        // Record in activity streams
+                        if ( ! empty( $args ) ) {
+                                // @todo should we use bp_activity_new_comment()? that function will also send
+                                // an email to people in the activity comment thread
+                                //
+                                // what if a site already has some comment email notification plugin setup?
+                                // this is why I decided to go with bp_activity_add() to avoid any conflict
+                                // with existing comment email notification plugins
+                                $comment_activity_id = bp_activity_add( $args );
+
+                                // add meta to activity comment
+                                bp_activity_update_meta( $comment_activity_id, 'bp_blogs_post_comment_id', $comment_id );
+
+                                // add meta to comment
+                                add_comment_meta( $comment_id, 'bp_activity_comment_id', $comment_activity_id );
+                        }
+                }
 
                 // Update the blogs last active date
                 bp_blogs_update_blogmeta( $blog_id, 'last_activity', bp_core_current_time() );
@@ -632 +698 @@
 function bp_blogs_remove_comment( $comment_id ) {
         global $wpdb;
 
-        // Delete activity stream item
-        bp_blogs_delete_activity( array( 'item_id' => $wpdb->blogid, 'secondary_item_id' => $comment_id, 'type' => 'new_blog_comment' ) );
+        // activity comments are disabled for blog posts
+        // which means that individual activity items exist for blog comments
+        if ( bp_disable_blogforum_comments() ) {
+                // Delete the individual activity stream item
+                bp_blogs_delete_activity( array(
+                        'item_id'           => $wpdb->blogid,
+                        'secondary_item_id' => $comment_id,
+                        'type'              => 'new_blog_comment'
+                ) );
+
+        // activity comments are enabled for blog posts
+        // remove the associated activity item
+        } else {
+                // get associated activity ID from comment meta
+                $activity_id = get_comment_meta( $comment_id, 'bp_activity_comment_id', true );
+
+                // delete the associated activity comment
+                //
+                // also removes child post comments and associated activity comments
+                if ( ! empty( $activity_id ) && bp_is_active( 'activity' ) ) {
+                        // fetch the activity comments for the activity item
+                        $activity = bp_activity_get( array(
+                                'in'               => $activity_id,
+                                'display_comments' => 'stream',
+                        ) );
+                
+                        // get all activity comment IDs for the pending deleted item
+                        if ( ! empty( $activity['activities'] ) ) {
+                                $activity_ids   = bp_activity_recurse_comments_activity_ids( $activity );
+                                $activity_ids[] = $activity_id;
+
+                                // delete activity items
+                                foreach ( $activity_ids as $activity_id ) {
+                                        bp_activity_delete( array(
+                                                'id' => $activity_id
+                                        ) );
+                                }
+
+                                // remove associated blog comments
+                                bp_blogs_remove_associated_blog_comments( $activity_ids );
+
+                                // rebuild activity comment tree
+                                BP_Activity_Activity::rebuild_activity_comment_tree( $activity['activities'][0]->item_id );
+                        }
+                }
+        }
 
         do_action( 'bp_blogs_remove_comment', $wpdb->blogid, $comment_id, bp_loggedin_user_id() );
 }
 add_action( 'delete_comment', 'bp_blogs_remove_comment' );
 
 /**
+ * Removes blog comments that are associated with activity comments.
+ *
+ * @since BuddyPress (2.0.0)
+ *
+ * @see bp_blogs_remove_comment()
+ * @see bp_blogs_sync_delete_from_activity_comment()
+ *
+ * @param array $activity_ids The activity IDs to check association with blog
+ *              comments.
+ */
+function bp_blogs_remove_associated_blog_comments( $activity_ids = array() ) {
+        // query args
+        $query_args = array(
+                'meta_query' => array(
+                        array(
+                                'key'     => 'bp_activity_comment_id',
+                                'value'   => implode( ',', (array) $activity_ids ),
+                                'compare' => 'IN',
+                        )
+                )
+        );
+
+        // get comment
+        $comment_query = new WP_Comment_Query;
+        $comments = $comment_query->query( $query_args );
+
+        // found the corresponding comments
+        // let's delete them!
+        foreach ( $comments as $comment ) {
+                // we force delete the comment, since activity items are deleted immediately
+                wp_delete_comment( $comment->comment_ID, true );
+        }
+}
+
+/**
  * When a blog comment status transition occurs, update the relevant activity's status.
  *
  * @since BuddyPress (1.6.0)

bp-blogs/bp-blogs-loader.php

@@ -73 +73 @@
 
                 // Setup the globals
                 parent::setup_globals( $args );
+
+                // Activity comment post callback
+                $this->activity_comment_post_callback = apply_filters( 'bp_blogs_activity_comment_post_callback', array(
+                        'add'    => 'bp_blogs_sync_add_from_activity_comment',
+                        'delete' => 'bp_blogs_sync_delete_from_activity_comment'
+                ) );
         }
 
         /**

bp-core/bp-core-component.php

@@ -85 +85 @@
         public $notification_callback = '';
 
         /**
+         * Callback to do something whenever an activity comment is saved or deleted.
+         *
+         * @since BuddyPress (2.0.0)
+         *
+         * @var array
+         */
+        public $activity_comment_post_callback = '';
+
+        /**
          * WordPress Toolbar links.
          *
          * @var array $admin_menu
@@ -336 +345 @@
         public function setup_actions() {
 
                 // Setup globals
-                add_action( 'bp_setup_globals',          array( $this, 'setup_globals'          ), 10 );
+                add_action( 'bp_setup_globals',          array( $this, 'setup_globals'          ),         10 );
 
                 // Include required files. Called early to ensure that BP core
                 // components are loaded before plugins that hook their loader functions
                 // to bp_include with the default priority of 10. This is for backwards
                 // compatibility; henceforth, plugins should register themselves by
                 // extending this base class.
-                add_action( 'bp_include',                array( $this, 'includes'               ), 8 );
+                add_action( 'bp_include',                array( $this, 'includes'               ),         8 );
 
                 // Setup navigation
-                add_action( 'bp_setup_nav',              array( $this, 'setup_nav'              ), 10 );
+                add_action( 'bp_setup_nav',              array( $this, 'setup_nav'              ),         10 );
 
                 // Setup WP Toolbar menus
-                add_action( 'bp_setup_admin_bar',        array( $this, 'setup_admin_bar'        ), $this->adminbar_myaccount_order );
+                add_action( 'bp_setup_admin_bar',        array( $this, 'setup_admin_bar'        ),         $this->adminbar_myaccount_order );
 
                 // Setup component title
-                add_action( 'bp_setup_title',            array( $this, 'setup_title'            ), 10 );
+                add_action( 'bp_setup_title',            array( $this, 'setup_title'            ),         10 );
 
                 // Register post types
-                add_action( 'bp_register_post_types',    array( $this, 'register_post_types'    ), 10 );
+                add_action( 'bp_register_post_types',    array( $this, 'register_post_types'    ),         10 );
 
                 // Register taxonomies
-                add_action( 'bp_register_taxonomies',    array( $this, 'register_taxonomies'    ), 10 );
+                add_action( 'bp_register_taxonomies',    array( $this, 'register_taxonomies'    ),         10 );
 
                 // Add the rewrite tags
-                add_action( 'bp_add_rewrite_tags',       array( $this, 'add_rewrite_tags'       ), 10 );
+                add_action( 'bp_add_rewrite_tags',       array( $this, 'add_rewrite_tags'       ),         10 );
 
                 // Add the rewrite rules
-                add_action( 'bp_add_rewrite_rules',      array( $this, 'add_rewrite_rules'      ), 10 );
+                add_action( 'bp_add_rewrite_rules',      array( $this, 'add_rewrite_rules'      ),         10 );
 
                 // Add the permalink structure
-                add_action( 'bp_add_permastructs',       array( $this, 'add_permastructs'       ), 10 );
+                add_action( 'bp_add_permastructs',       array( $this, 'add_permastructs'       ),         10 );
 
                 // Allow components to parse the main query
-                add_action( 'bp_parse_query',            array( $this, 'parse_query'            ), 10 );
+                add_action( 'bp_parse_query',            array( $this, 'parse_query'            ),         10 );
 
                 // Generate rewrite rules
-                add_action( 'bp_generate_rewrite_rules', array( $this, 'generate_rewrite_rules' ), 10 );
+                add_action( 'bp_generate_rewrite_rules', array( $this, 'generate_rewrite_rules' ),         10 );
+
+                // Activity comment callback setup
+                add_action( 'bp_setup_globals',          array( $this, 'activity_comment_post_callback' ), 10 );
 
                 // Additional actions can be attached here
                 do_action( 'bp_' . $this->id . '_setup_actions' );
@@ -602 +614 @@
         public function generate_rewrite_rules() {
                 do_action( 'bp_' . $this->id . '_generate_rewrite_rules' );
         }
+
+        /**
+         * Setup activity comment post callback.
+         *
+         * If a component has the 'activity_comment_post_callback' property set,
+         * automatically setup the hooks to be used.
+         *
+         * @since BuddyPress (2.0.0
+         */
+        public function activity_comment_post_callback() {
+                // if activity component is not active or callback is not an array, stop now!
+                if ( ! bp_is_active( 'activity' ) || ! is_array( $this->activity_comment_post_callback ) ) {
+                        return;
+                }
+
+                $callback = $this->activity_comment_post_callback;
+
+                // Activity comment addition callback
+                if ( ! empty( $callback['add'] ) && is_callable( $callback['add'] ) ) {
+                        add_action( 'bp_activity_comment_posted', $callback['add'],    10, 3 );
+                }
+
+                // Activity comment deletion callback
+                if ( ! empty( $callback['delete'] ) && is_callable( $callback['delete'] ) ) {
+                        add_filter( 'bp_activity_delete_comment_pre', $callback['delete'], 10, 3 );
+                }
+
+        }
 }
 endif; // BP_Component

bp-core/bp-core-options.php

@@ -226 +226 @@
  * @return mixed The value for the option.
  */
 function bp_get_option( $option_name, $default = '' ) {
-        $value = get_blog_option( bp_get_root_blog_id(), $option_name, $default );
+        // check buddypress()->site_options array first
+        if ( isset( buddypress()->site_options[$option_name] ) ) {
+                $value = buddypress()->site_options[$option_name];
+
+        // query for the option if not available
+        } else {
+                $value = get_blog_option( bp_get_root_blog_id(), $option_name, $default );
+        }
 
         return apply_filters( 'bp_get_option', $value );
 }