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Tims-Chat/file/lib/data/chat/message/ChatMessageEditor.class.php
2012-03-12 17:19:01 +01:00

42 lines
1.1 KiB
PHP

<?php
namespace wcf\data\chat\message;
/**
* Provides functions to edit chat messages.
*
* @author Tim Düsterhus
* @copyright 2010-2012 Tim Düsterhus
* @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
* @package be.bastelstu.wcf.chat
* @subpackage data.chat.message
*/
class ChatMessageEditor extends \wcf\data\DatabaseObjectEditor {
/**
* @see \wcf\data\DatabaseObjectDecorator::$baseClass
*/
protected static $baseClass = '\wcf\data\chat\message\ChatMessage';
/**
* Removes old messages.
*
* @param integer $lifetime Delete messages older that this time.
* @return integer Number of deleted messages.
*/
public static function prune($lifetime = CHAT_ARCHIVETIME) {
$baseClass = self::$baseClass;
$sql = "SELECT
".$baseClass::getDatabaseTableIndexName()."
FROM
".$baseClass::getDatabaseTableName()."
WHERE
time < ?";
$stmt = \wcf\system\WCF::getDB()->prepareStatement($sql);
$stmt->execute(array(TIME_NOW - $lifetime));
$objectIDs = array();
while ($objectIDs[] = $stmt->fetchColumn());
return self::deleteAll($objectIDs);
}
}