query(" SELECT TopicID, ForumID, CEIL(COUNT(p.ID)/".POSTS_PER_PAGE.") AS Pages, CEIL(SUM(IF(p.ID<='$PostID',1,0))/".POSTS_PER_PAGE.") AS Page, StickyPostID FROM forums_posts AS p JOIN forums_topics AS t ON t.ID=p.TopicID WHERE p.TopicID=( SELECT TopicID FROM forums_posts WHERE ID='$PostID' ) GROUP BY t.ID"); list($TopicID, $ForumID, $Pages, $Page, $StickyPostID) = $DB->next_record(); // $Pages = number of pages in the thread // $Page = which page the post is on // These are set for cache clearing. $DB->query("DELETE FROM forums_posts WHERE ID='$PostID'"); $DB->query("SELECT MAX(ID) FROM forums_posts WHERE TopicID='$TopicID'"); list($LastID) = $DB->next_record(); $DB->query(" UPDATE forums AS f, forums_topics AS t SET f.NumPosts=f.NumPosts-1, t.NumPosts=t.NumPosts-1 WHERE f.ID='$ForumID' AND t.ID='$TopicID'"); if ($LastID < $PostID) { // Last post in a topic was removed $DB->query(" SELECT p.AuthorID, u.Username, p.AddedTime FROM forums_posts AS p LEFT JOIN users_main AS u ON u.ID = p.AuthorID WHERE p.ID='$LastID'"); list($LastAuthorID, $LastAuthorName, $LastTime) = $DB->next_record(); $DB->query(" UPDATE forums_topics SET LastPostID='$LastID', LastPostAuthorID='$LastAuthorID', LastPostTime='$LastTime' WHERE ID='$TopicID'"); $DB->query(" SELECT t.ID, t.Title, t.LastPostID, t.LastPostTime, t.LastPostAuthorID, u.Username FROM forums_topics AS t LEFT JOIN users_main AS u ON u.ID = t.LastPostAuthorID WHERE ForumID='$ForumID' AND t.ID<>'$TopicID' ORDER BY LastPostID DESC LIMIT 1"); list($LastTopicID, $LastTopicTitle, $LastTopicPostID, $LastTopicPostTime, $LastTopicAuthorID, $LastTopicAuthorName) = $DB->next_record(MYSQLI_BOTH, false); if ($LastID < $LastTopicPostID) { // Topic is no longer the most recent in its forum $DB->query(" UPDATE forums SET LastPostTopicID='$LastTopicID', LastPostID='$LastTopicPostID', LastPostAuthorID='$LastTopicAuthorID', LastPostTime='$LastTopicPostTime' WHERE ID='$ForumID' AND LastPostTopicID='$TopicID'"); $UpdateArrayForums = array( 'NumPosts' => '-1', 'LastPostID' => $LastTopicPostID, 'LastPostAuthorID' => $LastTopicAuthorID, 'LastPostTime' => $LastTopicPostTime, 'LastPostTopicID' => $LastTopicID, 'Title' => $LastTopicTitle); } else { // Topic is still the most recent in its forum $DB->query(" UPDATE forums SET LastPostID='$LastID', LastPostAuthorID='$LastAuthorID', LastPostTime='$LastTime' WHERE ID='$ForumID' AND LastPostTopicID='$TopicID'"); $UpdateArrayForums = array( 'NumPosts' => '-1', 'LastPostID' => $LastID, 'LastPostAuthorID' => $LastAuthorID, 'LastPostTime' => $LastTime); } $UpdateArrayThread = array('Posts' => '-1', 'LastPostAuthorID' => $LastAuthorID); } else { $UpdateArrayForums = array('NumPosts' => '-1'); $UpdateArrayThread = array('Posts' => '-1'); } if ($StickyPostID == $PostID) { $DB->query("UPDATE forums_topics SET StickyPostID = 0 WHERE ID = $TopicID"); } //We need to clear all subsequential catalogues as they've all been bumped with the absence of this post $ThisCatalogue = floor((POSTS_PER_PAGE * $Page - POSTS_PER_PAGE) / THREAD_CATALOGUE); $LastCatalogue = floor((POSTS_PER_PAGE * $Pages - POSTS_PER_PAGE) / THREAD_CATALOGUE); for ($i = $ThisCatalogue; $i <= $LastCatalogue; $i++) { $Cache->delete('thread_'.$TopicID.'_catalogue_'.$i); } $Cache->begin_transaction('thread_'.$TopicID.'_info'); $Cache->update_row(false, $UpdateArrayThread); $Cache->commit_transaction(); $Cache->begin_transaction('forums_list'); $Cache->update_row($ForumID, $UpdateArrayForums); $Cache->commit_transaction(); $Cache->delete('forums_'.$ForumID); ?>