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https://github.com/WhatCD/Gazelle.git
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34 lines
1.3 KiB
PHP
34 lines
1.3 KiB
PHP
<?
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// perform the back end of subscribing to topics
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authorize();
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if(!empty($LoggedUser['DisableForums'])) {
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error(403);
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}
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if(!is_number($_GET['topicid'])) {
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error(0);
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}
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$DB->query('SELECT MinClassRead FROM forums WHERE forums.ID = (SELECT ForumID FROM forums_topics WHERE ID = '.db_string($_GET['topicid']).')');
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list($MinClassRead) = $DB->next_record();
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if($MinClassRead>$LoggedUser['Class']) {
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die();
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}
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if(!$UserSubscriptions = $Cache->get_value('subscriptions_user_'.$LoggedUser['ID'])) {
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$DB->query('SELECT TopicID FROM users_subscriptions WHERE UserID = '.db_string($LoggedUser['ID']));
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$UserSubscriptions = $DB->collect(0);
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$Cache->cache_value('subscriptions_user_'.$LoggedUser['ID'],$UserSubscriptions,0);
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}
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if(($Key = array_search($_GET['topicid'],$UserSubscriptions)) !== FALSE) {
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$DB->query('DELETE FROM users_subscriptions WHERE UserID = '.db_string($LoggedUser['ID']).' AND TopicID = '.db_string($_GET['topicid']));
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unset($UserSubscriptions[$Key]);
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} else {
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$DB->query("INSERT IGNORE INTO users_subscriptions (UserID, TopicID) VALUES ($LoggedUser[ID], ".db_string($_GET['topicid']).")");
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array_push($UserSubscriptions, $_GET['topicid']);
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}
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$Cache->replace_value('subscriptions_user_'.$LoggedUser['ID'], $UserSubscriptions, 0);
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$Cache->delete_value('subscriptions_user_new_'.$LoggedUser['ID']);
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