mirror of
https://github.com/WhatCD/Gazelle.git
synced 2024-12-13 10:56:26 +00:00
148 lines
4.2 KiB
PHP
148 lines
4.2 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'])) {
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error(0);
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}
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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("
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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 <= '$PostID', 1, 0)) / ".POSTS_PER_PAGE.") AS Page,
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StickyPostID
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FROM forums_posts AS p
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JOIN forums_topics AS t ON t.ID = p.TopicID
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WHERE p.TopicID = (
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SELECT TopicID
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FROM forums_posts
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WHERE ID = '$PostID'
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)
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GROUP BY t.ID");
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list($TopicID, $ForumID, $Pages, $Page, $StickyPostID) = $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("
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DELETE FROM forums_posts
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WHERE ID = '$PostID'");
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$DB->query("
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SELECT MAX(ID)
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FROM forums_posts
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WHERE TopicID = '$TopicID'");
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list($LastID) = $DB->next_record();
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$DB->query("
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UPDATE forums AS f, forums_topics AS t
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SET f.NumPosts = f.NumPosts - 1, t.NumPosts = t.NumPosts - 1
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WHERE f.ID = '$ForumID'
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AND t.ID = '$TopicID'");
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if ($LastID < $PostID) { // Last post in a topic was removed
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$DB->query("
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SELECT p.AuthorID, u.Username, p.AddedTime
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FROM forums_posts AS p
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LEFT JOIN users_main AS u ON u.ID = p.AuthorID
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WHERE p.ID = '$LastID'");
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list($LastAuthorID, $LastAuthorName, $LastTime) = $DB->next_record();
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$DB->query("
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UPDATE forums_topics
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SET
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LastPostID = '$LastID',
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LastPostAuthorID = '$LastAuthorID',
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LastPostTime = '$LastTime'
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WHERE ID = '$TopicID'");
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$DB->query("
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SELECT
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t.ID,
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t.Title,
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t.LastPostID,
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t.LastPostTime,
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t.LastPostAuthorID,
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u.Username
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FROM forums_topics AS t
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LEFT JOIN users_main AS u ON u.ID = t.LastPostAuthorID
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WHERE ForumID = '$ForumID'
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AND t.ID != '$TopicID'
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ORDER BY LastPostID DESC
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LIMIT 1");
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list($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("
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UPDATE forums
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SET
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LastPostTopicID = '$LastTopicID',
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LastPostID = '$LastTopicPostID',
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LastPostAuthorID = '$LastTopicAuthorID',
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LastPostTime = '$LastTopicPostTime'
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WHERE ID = '$ForumID'
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AND LastPostTopicID = '$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("
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UPDATE forums
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SET
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LastPostID = '$LastID',
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LastPostAuthorID = '$LastAuthorID',
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LastPostTime = '$LastTime'
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WHERE ID = '$ForumID'
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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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$UpdateArrayThread = array('Posts' => '-1');
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}
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if ($StickyPostID == $PostID) {
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$DB->query("
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UPDATE forums_topics
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SET StickyPostID = 0
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WHERE ID = $TopicID");
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}
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//We need to clear all subsequential catalogues as they've all been bumped with the absence of this post
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$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_value("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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$Cache->delete_value("forums_$ForumID");
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Subscriptions::flush_subscriptions('forums', $TopicID);
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// quote notifications
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Subscriptions::flush_quote_notifications('forums', $TopicID);
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$DB->query("DELETE FROM users_notify_quoted WHERE Page = 'forums' AND PostID = '" . $PostID . "'");
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