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