mirror of
https://github.com/WhatCD/Gazelle.git
synced 2024-12-13 02:46:30 +00:00
269 lines
8.4 KiB
PHP
269 lines
8.4 KiB
PHP
<?
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authorize();
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//TODO: Remove all the stupid queries that could get their information just as easily from the cache
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/*********************************************************************\
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//--------------Take Post--------------------------------------------//
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This page takes a forum post submission, validates it (TODO), and
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enters it into the database. The user is then redirected to their
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post.
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$_POST['action'] is what the user is trying to do. It can be:
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'reply' if the user is replying to a thread
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It will be accompanied with:
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$_POST['thread']
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$_POST['body']
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\*********************************************************************/
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// Quick SQL injection checks
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if (isset($LoggedUser['PostsPerPage'])) {
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$PerPage = $LoggedUser['PostsPerPage'];
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} else {
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$PerPage = POSTS_PER_PAGE;
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}
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if (isset($_POST['thread']) && !is_number($_POST['thread'])) {
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error(0);
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}
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if (isset($_POST['forum']) && !is_number($_POST['forum'])) {
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error(0);
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}
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// If you're not sending anything, go back
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if ($_POST['body'] === '' || !isset($_POST['body'])) {
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header('Location: '.$_SERVER['HTTP_REFERER']);
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die();
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}
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$Body = $_POST['body'];
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if (!empty($LoggedUser['DisablePosting'])) {
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error('Your posting privileges have been removed');
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}
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$TopicID = $_POST['thread'];
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$ThreadInfo = Forums::get_thread_info($TopicID);
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$ForumID = $ThreadInfo['ForumID'];
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$SQLTime = sqltime();
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if (!Forums::check_forumperm($ForumID)) {
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error(403);
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}
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if (!Forums::check_forumperm($ForumID, 'Write') || $LoggedUser['DisablePosting'] || $ThreadInfo['IsLocked'] == '1' && !check_perms('site_moderate_forums')) {
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error(403);
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}
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if (isset($_POST['subscribe']) && Subscriptions::has_subscribed($TopicID) === false) {
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Subscriptions::subscribe($TopicID);
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}
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//Now lets handle the special case of merging posts, we can skip bumping the thread and all that fun
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if ($ThreadInfo['LastPostAuthorID'] == $LoggedUser['ID'] && ((!check_perms('site_forums_double_post') && !in_array($ForumID, $ForumsDoublePost)) || isset($_POST['merge']))) {
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//Get the id for this post in the database to append
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$DB->query("
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SELECT ID, Body
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FROM forums_posts
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WHERE TopicID = '$TopicID'
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AND AuthorID = '".$LoggedUser['ID']."'
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ORDER BY ID DESC
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LIMIT 1");
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list($PostID, $OldBody) = $DB->next_record(MYSQLI_NUM, false);
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//Edit the post
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$DB->query("
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UPDATE forums_posts
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SET
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Body = CONCAT(Body,'\n\n".db_string($Body)."'),
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EditedUserID = '".$LoggedUser['ID']."',
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EditedTime = '$SQLTime'
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WHERE ID = '$PostID'");
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//Store edit history
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$DB->query("
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INSERT INTO comments_edits
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(Page, PostID, EditUser, EditTime, Body)
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VALUES
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('forums', $PostID, ".$LoggedUser['ID'].", '$SQLTime', '".db_string($OldBody)."')");
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$Cache->delete_value("forums_edits_$PostID");
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//Get the catalogue it is in
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$CatalogueID = floor((POSTS_PER_PAGE * ceil($ThreadInfo['Posts'] / POSTS_PER_PAGE) - POSTS_PER_PAGE) / THREAD_CATALOGUE);
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//Get the catalogue value for the post we're appending to
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if ($ThreadInfo['Posts'] % THREAD_CATALOGUE == 0) {
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$Key = THREAD_CATALOGUE - 1;
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} else {
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$Key = ($ThreadInfo['Posts'] % THREAD_CATALOGUE) - 1;
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}
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if ($ThreadInfo['StickyPostID'] == $PostID) {
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$ThreadInfo['StickyPost']['Body'] .= "\n\n$Body";
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$ThreadInfo['StickyPost']['EditedUserID'] = $LoggedUser['ID'];
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$ThreadInfo['StickyPost']['EditedTime'] = $SQLTime;
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$Cache->cache_value("thread_$TopicID".'_info', $ThreadInfo, 0);
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}
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//Edit the post in the cache
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$Cache->begin_transaction("thread_$TopicID"."_catalogue_$CatalogueID");
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$Cache->update_row($Key, array(
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'Body' => $Cache->MemcacheDBArray[$Key]['Body']."\n\n$Body",
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'EditedUserID' => $LoggedUser['ID'],
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'EditedTime' => $SQLTime,
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'Username' => $LoggedUser['Username']
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));
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$Cache->commit_transaction(0);
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//Now we're dealing with a normal post
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} else {
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//Insert the post into the posts database
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$DB->query("
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INSERT INTO forums_posts (TopicID, AuthorID, AddedTime, Body)
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VALUES ('$TopicID', '".$LoggedUser['ID']."', '$SQLTime', '".db_string($Body)."')");
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$PostID = $DB->inserted_id();
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//This updates the root index
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$DB->query("
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UPDATE forums
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SET
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NumPosts = NumPosts + 1,
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LastPostID = '$PostID',
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LastPostAuthorID = '".$LoggedUser['ID']."',
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LastPostTopicID = '$TopicID',
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LastPostTime = '$SQLTime'
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WHERE ID = '$ForumID'");
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//Update the topic
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$DB->query("
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UPDATE forums_topics
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SET
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NumPosts = NumPosts + 1,
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LastPostID = '$PostID',
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LastPostAuthorID = '".$LoggedUser['ID']."',
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LastPostTime = '$SQLTime'
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WHERE ID = '$TopicID'");
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// if cache exists modify it, if not, then it will be correct when selected next, and we can skip this block
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if ($Forum = $Cache->get_value("forums_$ForumID")) {
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list($Forum,,,$Stickies) = $Forum;
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// if the topic is already on this page
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if (array_key_exists($TopicID, $Forum)) {
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$Thread = $Forum[$TopicID];
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unset($Forum[$TopicID]);
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$Thread['NumPosts'] = $Thread['NumPosts'] + 1; // Increment post count
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$Thread['LastPostID'] = $PostID; // Set post ID for read/unread
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$Thread['LastPostTime'] = $SQLTime; // Time of last post
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$Thread['LastPostAuthorID'] = $LoggedUser['ID']; // Last poster ID
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$Part2 = array($TopicID => $Thread); // Bumped thread
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// if we're bumping from an older page
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} else {
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// Remove the last thread from the index
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if (count($Forum) == TOPICS_PER_PAGE && $Stickies < TOPICS_PER_PAGE) {
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array_pop($Forum);
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}
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// Never know if we get a page full of stickies...
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if ($Stickies < TOPICS_PER_PAGE || $ThreadInfo['IsSticky'] == 1) {
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//Pull the data for the thread we're bumping
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$DB->query("
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SELECT
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f.AuthorID,
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f.IsLocked,
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f.IsSticky,
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f.NumPosts,
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ISNULL(p.TopicID) AS NoPoll
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FROM forums_topics AS f
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LEFT JOIN forums_polls AS p ON p.TopicID = f.ID
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WHERE f.ID = '$TopicID'");
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list($AuthorID, $IsLocked, $IsSticky, $NumPosts, $NoPoll) = $DB->next_record();
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$Part2 = array($TopicID => array(
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'ID' => $TopicID,
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'Title' => $ThreadInfo['Title'],
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'AuthorID' => $AuthorID,
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'IsLocked' => $IsLocked,
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'IsSticky' => $IsSticky,
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'NumPosts' => $NumPosts,
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'LastPostID' => $PostID,
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'LastPostTime' => $SQLTime,
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'LastPostAuthorID' => $LoggedUser['ID'],
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'NoPoll' => $NoPoll
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)); //Bumped
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} else {
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$Part2 = array();
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}
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}
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if ($Stickies > 0) {
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$Part1 = array_slice($Forum, 0, $Stickies, true); //Stickies
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$Part3 = array_slice($Forum, $Stickies, TOPICS_PER_PAGE - $Stickies - 1, true); //Rest of page
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} else {
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$Part1 = array();
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$Part3 = $Forum;
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}
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if (is_null($Part1)) {
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$Part1 = array();
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}
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if (is_null($Part3)) {
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$Part3 = array();
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}
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if ($ThreadInfo['IsSticky'] == 1) {
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$Forum = $Part2 + $Part1 + $Part3; //Merge it
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} else {
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$Forum = $Part1 + $Part2 + $Part3; //Merge it
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}
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$Cache->cache_value("forums_$ForumID", array($Forum, '', 0, $Stickies), 0);
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//Update the forum root
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$Cache->begin_transaction('forums_list');
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$Cache->update_row($ForumID, array(
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'NumPosts'=>'+1',
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'LastPostID'=>$PostID,
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'LastPostAuthorID'=>$LoggedUser['ID'],
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'LastPostTopicID'=>$TopicID,
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'LastPostTime'=>$SQLTime,
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'Title'=>$ThreadInfo['Title'],
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'IsLocked'=>$ThreadInfo['IsLocked'],
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'IsSticky'=>$ThreadInfo['IsSticky']
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));
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$Cache->commit_transaction(0);
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} else {
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//If there's no cache, we have no data, and if there's no data
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$Cache->delete_value('forums_list');
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}
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//This calculates the block of 500 posts that this one will fall under
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$CatalogueID = floor((POSTS_PER_PAGE * ceil($ThreadInfo['Posts'] / POSTS_PER_PAGE) - POSTS_PER_PAGE) / THREAD_CATALOGUE);
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//Insert the post into the thread catalogue (block of 500 posts)
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$Cache->begin_transaction("thread_$TopicID"."_catalogue_$CatalogueID");
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$Cache->insert('', array(
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'ID'=>$PostID,
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'AuthorID'=>$LoggedUser['ID'],
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'AddedTime'=>$SQLTime,
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'Body'=>$Body,
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'EditedUserID'=>0,
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'EditedTime'=>'0000-00-00 00:00:00',
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'Username'=>$LoggedUser['Username'] //TODO: Remove, it's never used?
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));
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$Cache->commit_transaction(0);
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//Update the thread info
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$Cache->begin_transaction("thread_$TopicID".'_info');
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$Cache->update_row(false, array('Posts' => '+1', 'LastPostAuthorID' => $LoggedUser['ID']));
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$Cache->commit_transaction(0);
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//Increment this now to make sure we redirect to the correct page
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$ThreadInfo['Posts']++;
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}
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Subscriptions::flush_subscriptions('forums', $TopicID);
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Subscriptions::quote_notify($Body, $PostID, 'forums', $TopicID);
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header("Location: forums.php?action=viewthread&threadid=$TopicID&page=".ceil($ThreadInfo['Posts'] / $PerPage));
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die();
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