Ticket #3203: speed-up-topic-trashing.diff

includes/forums/functions.php

@@ -1523 +1523 @@
                         'numberposts' => 1
                 );
 
-                // Get the most recent topic in this forum_id
-                $recent_topic = get_posts( $post_vars );
+                // Get the most recent topic in this forum_id   
+                $recent_topic = wp_cache_get( 'bbp_recent_topic_forum_' . $forum_id );
+                if ( false === $recent_topic ) {
+                    $recent_topic = get_posts( $post_vars );
+                    wp_cache_set( 'bbp_recent_topic_forum_' . $forum_id, $recent_topic );
+                }               
+                
                 if ( ! empty( $recent_topic ) ) {
                         $topic_id = $recent_topic[0]->ID;
                 }
@@ -1588 +1593 @@
                 if ( ! empty( $topic_ids ) ) {
 
                         // ...get the most recent reply from those topics...
-                        $reply_id = bbp_forum_query_last_reply_id( $forum_id, $topic_ids );
-
+                    $topic_id_hash = md5( json_encode( $topic_ids ) );
+                    $reply_id = wp_cache_get( 'bbp_forum_query_last_reply_id_' . $forum_id . $topic_id_hash );
+                    if ( false === $reply_id ) {
+                        $reply_id = bbp_forum_query_last_reply_id( $forum_id, $topic_ids );
+                        wp_cache_set( 'bbp_forum_query_last_reply_id_' . $forum_id . $topic_id_hash, $reply_id );
+                    }
+                    
                         // ...and compare it to the most recent topic id...
                         $reply_id = ( $reply_id > max( $topic_ids ) ) ? $reply_id : max( $topic_ids );
                 }
@@ -1653 +1663 @@
                 // Don't count replies if the forum is a category
                 $topic_ids = bbp_forum_query_topic_ids( $forum_id );
                 if ( ! empty( $topic_ids ) ) {
-                        $active_id = bbp_forum_query_last_reply_id( $forum_id, $topic_ids );
+                    $topic_id_hash = md5( json_encode( $topic_ids ) );
+                    $active_id = wp_cache_get( 'bbp_forum_query_last_reply_id_' . $forum_id . $topic_id_hash );
+                    if ( false === $active_id ) {
+                        $active_id = bbp_forum_query_last_reply_id( $forum_id, $topic_ids );
+                        wp_cache_set( 'bbp_forum_query_last_reply_id_' . $forum_id . $topic_id_hash, $active_id );
+                    }                   
                         $active_id = $active_id > max( $topic_ids ) ? $active_id : max( $topic_ids );
 
                 // Forum has no topics
@@ -2268 +2283 @@
  *                        and forum id
  */
 function bbp_forum_query_topic_ids( $forum_id ) {
-        $topic_ids = bbp_get_public_child_ids( $forum_id, bbp_get_topic_post_type() );
-
+        $topic_ids = wp_cache_get( 'bbp_get_public_child_ids_forum_' . $forum_id );
+        if ( false === $topic_ids ) {
+            $topic_ids = bbp_get_public_child_ids( $forum_id, bbp_get_topic_post_type() );
+            wp_cache_set( 'bbp_get_public_child_ids_forum_' . $forum_id, $topic_ids );
+        }       
         return (array) apply_filters( 'bbp_forum_query_topic_ids', $topic_ids, $forum_id );
 }