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<?php |
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/** |
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* ownCloud - Music app |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Morris Jobke <[email protected]> |
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* @copyright Morris Jobke 2014 |
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*/ |
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namespace OCA\Music\Utility; |
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use OCP\IDBConnection; |
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class Helper { |
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/** @var IDBConnection */ |
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private $db; |
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public function __construct(IDBConnection $db){ |
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$this->db = $db; |
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} |
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/** |
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* Removes orphaned data from the database |
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*/ |
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public function cleanUp() { |
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$sqls = array( |
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'UPDATE `*PREFIX*music_albums` SET `cover_file_id` = NULL |
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WHERE `cover_file_id` IS NOT NULL AND `cover_file_id` IN ( |
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SELECT `cover_file_id` FROM ( |
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SELECT `cover_file_id` FROM `*PREFIX*music_albums` |
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LEFT JOIN `*PREFIX*filecache` |
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ON `cover_file_id`=`fileid` |
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WHERE `fileid` IS NULL |
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) mysqlhack |
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);', |
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'DELETE FROM `*PREFIX*music_tracks` WHERE `file_id` IN ( |
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SELECT `file_id` FROM ( |
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SELECT `file_id` FROM `*PREFIX*music_tracks` |
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LEFT JOIN `*PREFIX*filecache` |
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ON `file_id`=`fileid` |
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WHERE `fileid` IS NULL |
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) mysqlhack |
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);', |
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'DELETE FROM `*PREFIX*music_albums` WHERE `id` IN ( |
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SELECT `id` FROM ( |
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SELECT `*PREFIX*music_albums`.`id` |
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FROM `*PREFIX*music_albums` |
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LEFT JOIN `*PREFIX*music_tracks` |
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ON `*PREFIX*music_tracks`.`album_id` = `*PREFIX*music_albums`.`id` |
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WHERE `*PREFIX*music_tracks`.`album_id` IS NULL |
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) as tmp |
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);', |
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'DELETE FROM `*PREFIX*music_album_artists` WHERE `album_id` IN ( |
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SELECT `album_id` FROM ( |
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SELECT `*PREFIX*music_album_artists`.`album_id` |
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FROM `*PREFIX*music_album_artists` |
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LEFT JOIN `*PREFIX*music_albums` |
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ON `*PREFIX*music_albums`.`id` = `*PREFIX*music_album_artists`.`album_id` |
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WHERE `*PREFIX*music_albums`.`id` IS NULL |
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) as tmp |
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);', |
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'DELETE FROM `*PREFIX*music_artists` WHERE `id` IN ( |
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SELECT `id` FROM ( |
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SELECT `*PREFIX*music_artists`.`id` |
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FROM `*PREFIX*music_artists` |
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LEFT JOIN `*PREFIX*music_album_artists` |
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ON `*PREFIX*music_album_artists`.`artist_id` = `*PREFIX*music_artists`.`id` |
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WHERE `*PREFIX*music_album_artists`.`artist_id` IS NULL |
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) as tmp |
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);', |
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); |
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foreach ($sqls as $sql) { |
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$query = $this->db->prepare($sql); |
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$query->execute(); |
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} |
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} |
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} |
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