mirror of
https://github.com/WhatCD/Gazelle.git
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174 lines
5.2 KiB
PHP
174 lines
5.2 KiB
PHP
<?
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/**********|| Page to show individual forums || ********************************\
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Things to expect in $_GET:
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ForumID: ID of the forum curently being browsed
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page: The page the user's on.
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page = 1 is the same as no page
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********************************************************************************/
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//---------- Things to sort out before it can start printing/generating content
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// Check for lame SQL injection attempts
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$ForumID = $_GET['forumid'];
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if (!is_number($ForumID)) {
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print json_encode(array('status' => 'failure'));
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die();
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}
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if (isset($_GET['pp'])) {
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$PerPage = $_GET['pp'];
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} elseif (isset($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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list($Page, $Limit) = Format::page_limit(TOPICS_PER_PAGE);
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//---------- Get some data to start processing
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// Caching anything beyond the first page of any given forum is just wasting ram
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// users are more likely to search then to browse to page 2
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if ($Page == 1) {
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list($Forum,,,$Stickies) = $Cache->get_value('forums_'.$ForumID);
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}
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if (!isset($Forum) || !is_array($Forum)) {
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$DB->query("
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SELECT
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t.ID,
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t.Title,
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t.AuthorID,
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t.IsLocked,
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t.IsSticky,
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t.NumPosts,
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t.LastPostID,
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t.LastPostTime,
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t.LastPostAuthorID
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FROM forums_topics AS t
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WHERE t.ForumID = '$ForumID'
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ORDER BY t.IsSticky DESC, t.LastPostTime DESC
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LIMIT $Limit"); // Can be cached until someone makes a new post
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$Forum = $DB->to_array('ID',MYSQLI_ASSOC, false);
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if ($Page == 1) {
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$DB->query("
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SELECT COUNT(ID)
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FROM forums_topics
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WHERE ForumID='$ForumID'
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AND IsSticky='1'");
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list($Stickies) = $DB->next_record();
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$Cache->cache_value('forums_'.$ForumID, array($Forum, '', 0, $Stickies), 0);
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}
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}
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if (!isset($Forums[$ForumID])) {
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json_die("failure");
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}
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// Make sure they're allowed to look at the page
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if (!check_perms('site_moderate_forums')) {
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if (isset($LoggedUser['CustomForums'][$ForumID]) && $LoggedUser['CustomForums'][$ForumID] === 0) {
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json_die("failure", "insufficient permissions to view page");
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}
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}
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if ($LoggedUser['CustomForums'][$ForumID] != 1 && $Forums[$ForumID]['MinClassRead'] > $LoggedUser['Class']) {
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json_die("failure", "insufficient permissions to view page");
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}
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$ForumName = display_str($Forums[$ForumID]['Name']);
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$JsonSpecificRules = array();
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foreach ($Forums[$ForumID]['SpecificRules'] as $ThreadIDs) {
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$Thread = get_thread_info($ThreadIDs);
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$JsonSpecificRules[] = array(
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'threadId' => (int) $ThreadIDs,
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'thread' => display_str($Thread['Title'])
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);
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}
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$Pages = Format::get_pages($Page, $Forums[$ForumID]['NumTopics'], TOPICS_PER_PAGE, 9);
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if (count($Forum) == 0) {
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print
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json_encode(
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array(
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'status' => 'success',
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'forumName' => $ForumName,
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'threads' => array()
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)
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);
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} else {
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// forums_last_read_topics is a record of the last post a user read in a topic, and what page that was on
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$DB->query('
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SELECT
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l.TopicID,
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l.PostID,
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CEIL(( SELECT COUNT(ID)
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FROM forums_posts
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WHERE forums_posts.TopicID = l.TopicID
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AND forums_posts.ID <= l.PostID) / '.$PerPage.'
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) AS Page
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FROM forums_last_read_topics AS l
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WHERE TopicID IN('.implode(', ', array_keys($Forum)).')
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AND UserID=\''.$LoggedUser['ID'].'\'');
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// Turns the result set into a multi-dimensional array, with
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// forums_last_read_topics.TopicID as the key.
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// This is done here so we get the benefit of the caching, and we
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// don't have to make a database query for each topic on the page
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$LastRead = $DB->to_array('TopicID');
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$JsonTopics = array();
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foreach ($Forum as $Topic) {
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list($TopicID, $Title, $AuthorID, $Locked, $Sticky, $PostCount, $LastID, $LastTime, $LastAuthorID) = array_values($Topic);
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// handle read/unread posts - the reason we can't cache the whole page
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if ((!$Locked || $Sticky) && ((empty($LastRead[$TopicID]) || $LastRead[$TopicID]['PostID'] < $LastID) && strtotime($LastTime) > $LoggedUser['CatchupTime'])) {
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$Read = 'unread';
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} else {
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$Read = 'read';
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}
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$UserInfo = Users::user_info($AuthorID);
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$AuthorName = $UserInfo['Username'];
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$UserInfo = Users::user_info($LastAuthorID);
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$LastAuthorName = $UserInfo['Username'];
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// Bug fix for no last time available
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if ($LastTime == '0000-00-00 00:00:00') {
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$LastTime = '';
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}
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$JsonTopics[] = array(
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'topicId' => (int) $TopicID,
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'title' => display_str($Title),
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'authorId' => (int) $AuthorID,
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'authorName' => $AuthorName,
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'locked' => ($Locked == 1),
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'sticky' => ($Sticky == 1),
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'postCount' => (int) $PostCount,
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'lastID' => (($LastID == null) ? 0 : (int) $LastID),
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'lastTime' => $LastTime,
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'lastAuthorId' => (($LastAuthorID == null) ? 0 : (int) $LastAuthorID),
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'lastAuthorName' => (($LastAuthorName == null) ? '' : $LastAuthorName),
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'lastReadPage' => (($LastRead[$TopicID]['Page'] == null) ? 0 : (int) $LastRead[$TopicID]['Page']),
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'lastReadPostId' => (($LastRead[$TopicID]['PostID'] == null) ? 0 : (int) $LastRead[$TopicID]['PostID']),
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'read' => ($Read == 'read')
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);
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}
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print
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json_encode(
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array(
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'status' => 'success',
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'response' => array(
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'forumName' => $ForumName,
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'specificRules' => $JsonSpecificRules,
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'currentPage' => (int) $Page,
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'pages' => ceil($Forums[$ForumID]['NumTopics'] / TOPICS_PER_PAGE),
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'threads' => $JsonTopics
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)
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)
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);
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}
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?>
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