mirror of
https://github.com/WhatCD/Gazelle.git
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86 lines
3.6 KiB
PHP
86 lines
3.6 KiB
PHP
<?
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authorize();
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// Quick SQL injection check
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if(!isset($_GET['postid']) || !is_number($_GET['postid'])) { error(0); }
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$PostID = $_GET['postid'];
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// Make sure they are moderators
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if(!check_perms('site_admin_forums')) {
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error(403);
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}
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// Get topicid, forumid, number of pages
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$DB->query("SELECT
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TopicID,
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ForumID,
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CEIL(COUNT(p.ID)/".POSTS_PER_PAGE.") AS Pages,
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CEIL(SUM(IF(p.ID<='$PostID',1,0))/".POSTS_PER_PAGE.") AS Page
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FROM forums_posts AS p
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JOIN forums_topics AS t ON t.ID=p.TopicID
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WHERE p.TopicID=(SELECT TopicID FROM forums_posts WHERE ID='$PostID')
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GROUP BY t.ID");
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list($TopicID, $ForumID, $Pages, $Page) = $DB->next_record();
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// $Pages = number of pages in the thread
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// $Page = which page the post is on
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// These are set for cache clearing.
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$DB->query("DELETE FROM forums_posts WHERE ID='$PostID'");
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$DB->query("SELECT MAX(ID) FROM forums_posts WHERE TopicID='$TopicID'");
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list($LastID) = $DB->next_record();
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$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'");
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if($LastID < $PostID) { // Last post in a topic was removed
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$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='$LastID'");
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list($LastAuthorID, $LastAuthorName, $LastTime) = $DB->next_record();
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$DB->query("UPDATE forums_topics SET LastPostID='$LastID', LastPostAuthorID='$LastAuthorID', LastPostTime='$LastTime' WHERE ID='$TopicID'");
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$DB->query("SELECT
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t.ID, t.Title, t.LastPostID, t.LastPostTime, t.LastPostAuthorID, u.Username
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FROM forums_topics AS t
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LEFT JOIN users_main AS u ON u.ID = t.LastPostAuthorID
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WHERE ForumID='$ForumID' AND t.ID<>'$TopicID'
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ORDER BY LastPostID DESC LIMIT 1");
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list($LastTopicID, $LastTopicTitle, $LastTopicPostID, $LastTopicPostTime, $LastTopicAuthorID, $LastTopicAuthorName) = $DB->next_record(MYSQLI_BOTH, false);
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if($LastID < $LastTopicPostID) { // Topic is no longer the most recent in its forum
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$DB->query("UPDATE forums SET LastPostTopicID='$LastTopicID', LastPostID='$LastTopicPostID', LastPostAuthorID='$LastTopicAuthorID', LastPostTime='$LastTopicPostTime' WHERE ID='$ForumID' AND LastPostTopicID='$TopicID'");
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$UpdateArrayForums = array(
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'NumPosts' => '-1',
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'LastPostID' => $LastTopicPostID,
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'LastPostAuthorID' => $LastTopicAuthorID,
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'LastPostTime' => $LastTopicPostTime,
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'LastPostTopicID' => $LastTopicID,
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'Title' => $LastTopicTitle);
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} else { // Topic is still the most recent in its forum
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$DB->query("UPDATE forums SET LastPostID='$LastID', LastPostAuthorID='$LastAuthorID', LastPostTime='$LastTime' WHERE ID='$ForumID' AND LastPostTopicID='$TopicID'");
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$UpdateArrayForums = array(
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'NumPosts' => '-1',
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'LastPostID' => $LastID,
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'LastPostAuthorID' => $LastAuthorID,
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'LastPostTime' => $LastTime);
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}
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$UpdateArrayThread = array('Posts' => '-1', 'LastPostAuthorID' => $LastAuthorID);
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} else {
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$UpdateArrayForums = array('NumPosts' => '-1');
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$UpdateArrayThread = array('Posts' => '-1');
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}
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//We need to clear all subsequential catalogues as they've all been bumped with the absence of this post
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$ThisCatalogue = floor((POSTS_PER_PAGE*$Page-POSTS_PER_PAGE)/THREAD_CATALOGUE);
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$LastCatalogue = floor((POSTS_PER_PAGE*$Pages-POSTS_PER_PAGE)/THREAD_CATALOGUE);
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for($i=$ThisCatalogue;$i<=$LastCatalogue;$i++) {
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$Cache->delete('thread_'.$TopicID.'_catalogue_'.$i);
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}
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$Cache->begin_transaction('thread_'.$TopicID.'_info');
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$Cache->update_row(false, $UpdateArrayThread);
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$Cache->commit_transaction();
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$Cache->begin_transaction('forums_list');
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$Cache->update_row($ForumID, $UpdateArrayForums);
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$Cache->commit_transaction();
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$Cache->delete('forums_'.$ForumID);
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?>
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