mirror of
https://github.com/wbbaddons/Tims-Chat.git
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42 lines
1.4 KiB
PHP
42 lines
1.4 KiB
PHP
<?php
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/**
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* Deletes orphaned attachments.
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*
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* @author Tim Duesterhus
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* @copyright 2001-2022 WoltLab GmbH
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* @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
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* @package WoltLabSuite\Core
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* @see https://github.com/WoltLab/com.woltlab.wcf.conversation/blob/f0d4964a0b8042c440d5a3f759078429dc43c5b8/files/acp/update_com.woltlab.wcf.conversation_5.5_cleanup_orphaned_attachments.php
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*/
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use wcf\data\attachment\AttachmentAction;
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use wcf\data\object\type\ObjectTypeCache;
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use wcf\system\package\SplitNodeException;
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use wcf\system\WCF;
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$objectType = ObjectTypeCache::getInstance()
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->getObjectTypeByName('com.woltlab.wcf.attachment.objectType', 'be.bastelstu.chat.message');
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$sql = "SELECT attachmentID
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FROM wcf1_attachment
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WHERE objectTypeID = ?
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AND objectID NOT IN (
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SELECT messageID
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FROM chat1_message
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)";
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$statement = WCF::getDB()->prepare($sql, 100);
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$statement->execute([$objectType->objectTypeID]);
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$attachmentIDs = $statement->fetchAll(\PDO::FETCH_COLUMN);
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if (empty($attachmentIDs)) {
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return;
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}
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(new AttachmentAction($attachmentIDs, 'delete'))->executeAction();
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// If we reached this location we processed at least one attachment.
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// If this was the final attachment the next iteration will abort this
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// script early, thus not splitting the node.
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throw new SplitNodeException();
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