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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 2013, 2014 |
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*/ |
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namespace OCA\Music\Db; |
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use OCP\IDBConnection; |
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class AlbumMapper extends BaseMapper { |
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public function __construct(IDBConnection $db){ |
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parent::__construct($db, 'music_albums', '\OCA\Music\Db\Album'); |
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} |
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/** |
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* @param string $condition |
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* @return string |
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*/ |
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private function makeSelectQuery($condition=null){ |
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return 'SELECT * FROM `*PREFIX*music_albums` `album`'. |
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'WHERE `album`.`user_id` = ? ' . $condition; |
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} |
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/** |
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* returns all albums of a user |
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* |
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* @param string $userId the user ID |
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* @return Album[] |
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*/ |
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public function findAll($userId){ |
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$sql = $this->makeSelectQuery('ORDER BY LOWER(`album`.`name`)'); |
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$params = array($userId); |
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return $this->findEntities($sql, $params); |
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} |
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/** |
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* returns artist IDs mapped to album IDs |
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* does not include album_artist_id |
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* |
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* @param integer[] $albumIds IDs of the albums |
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* @return array the artist IDs of an album are accessible |
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* by the album ID inside of this array |
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*/ |
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public function getAlbumArtistsByAlbumId($albumIds){ |
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$sql = 'SELECT DISTINCT `track`.`artist_id`, `track`.`album_id` '. |
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'FROM `*PREFIX*music_tracks` `track`'. |
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' WHERE `track`.`album_id` IN ' . $this->questionMarks(count($albumIds)); |
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$result = $this->execute($sql, $albumIds); |
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$artists = array(); |
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while($row = $result->fetch()){ |
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if(!array_key_exists($row['album_id'], $artists)){ |
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$artists[$row['album_id']] = array(); |
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} |
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$artists[$row['album_id']][] = $row['artist_id']; |
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} |
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return $artists; |
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} |
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/** |
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* returns albums of a specified artist |
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* The artist may be an album_artist or the artist of a track |
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* |
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* @param integer $artistId ID of the artist |
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* @param string $userId the user ID |
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* @return Album[] |
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*/ |
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public function findAllByArtist($artistId, $userId){ |
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$sql = 'SELECT `album`.`name`, `album`.`year`, `album`.`id`, '. |
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'`album`.`cover_file_id`, `album`.`mbid`, `album`.`disk`, '. |
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'`album`.`mbid_group`, `album`.`mbid_group`, `album`.`hash`, '. |
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'`album`.`album_artist_id` '. |
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'FROM `*PREFIX*music_albums` `album` '. |
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'WHERE `album`.`id` IN (SELECT DISTINCT `album`.`id` FROM '. |
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'`*PREFIX*music_albums` `album` WHERE `album`.`album_artist_id` = ? AND '. |
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'`album`.`user_id` = ? UNION SELECT `track`.`album_id` '. |
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'FROM `*PREFIX*music_tracks` `track` WHERE `track`.`artist_id` = ? AND '. |
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'`track`.`user_id` = ?) ORDER BY LOWER(`album`.`name`)'; |
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$params = array($artistId, $userId, $artistId, $userId); |
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return $this->findEntities($sql, $params); |
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} |
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/** |
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* returns album that matches a name, a year and an album artist ID |
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* |
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* @param string|null $albumName name of the album |
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* @param string|integer|null $albumYear year of the album release |
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* @param string|integer|null $discNumber disk number of this album's disk |
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* @param integer|null $albumArtistId ID of the album artist |
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* @param string $userId the user ID |
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* @return Album[] |
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*/ |
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public function findAlbum($albumName, $albumYear, $discNumber, $albumArtistId, $userId) { |
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$sql = 'SELECT `album`.`name`, `album`.`year`, `album`.`disk`, `album`.`id`, '. |
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'`album`.`cover_file_id`, `album`.`mbid`, `album`.`disk`, '. |
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'`album`.`mbid_group`, `album`.`mbid_group`, `album`.`hash`, '. |
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'`album`.`album_artist_id` '. |
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'FROM `*PREFIX*music_albums` `album` '. |
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'WHERE `album`.`user_id` = ? '; |
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$params = array($userId); |
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// add artist id check |
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if ($albumArtistId === null) { |
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$sql .= 'AND `album`.`album_artist_id` IS NULL '; |
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} else { |
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$sql .= 'AND `album`.`album_artist_id` = ? '; |
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array_push($params, $albumArtistId); |
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} |
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// add album name check |
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if ($albumName === null) { |
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$sql .= 'AND `album`.`name` IS NULL '; |
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} else { |
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$sql .= 'AND `album`.`name` = ? '; |
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array_push($params, $albumName); |
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} |
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// add album year check |
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if ($albumYear === null) { |
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$sql .= 'AND `album`.`year` IS NULL '; |
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} else { |
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$sql .= 'AND `album`.`year` = ? '; |
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array_push($params, $albumYear); |
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} |
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// add disc number check |
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if ($discNumber === null) { |
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$sql .= 'AND `album`.`disk` IS NULL '; |
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} else { |
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$sql .= 'AND `album`.`disk` = ? '; |
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array_push($params, $discNumber); |
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} |
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return $this->findEntity($sql, $params); |
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} |
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/** |
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* @param integer $coverFileId |
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* @param integer $folderId |
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* @return true if one or more albums were influenced |
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*/ |
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public function updateFolderCover($coverFileId, $folderId){ |
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$sql = 'UPDATE `*PREFIX*music_albums` |
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SET `cover_file_id` = ? |
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WHERE `cover_file_id` IS NULL AND `id` IN ( |
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SELECT DISTINCT `tracks`.`album_id` |
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FROM `*PREFIX*music_tracks` `tracks` |
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JOIN `*PREFIX*filecache` `files` ON `tracks`.`file_id` = `files`.`fileid` |
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WHERE `files`.`parent` = ? |
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)'; |
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$params = array($coverFileId, $folderId); |
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$result = $this->execute($sql, $params); |
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return $result->rowCount() > 0; |
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} |
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/** |
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* @param integer $coverFileId |
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* @param integer $albumId |
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*/ |
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public function setCover($coverFileId, $albumId){ |
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$sql = 'UPDATE `*PREFIX*music_albums` |
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SET `cover_file_id` = ? |
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WHERE `id` = ?'; |
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$params = array($coverFileId, $albumId); |
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$this->execute($sql, $params); |
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} |
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/** |
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* @param integer[] $coverFileIds |
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* @param string|null $userId the user whose music library is targeted; all users are targeted if omitted |
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* @return string[] user IDs of the affected users; empty array if no album was modified |
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*/ |
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public function removeCovers($coverFileIds, $userId=null){ |
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// find albums using the given file as cover |
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$sql = 'SELECT `id`, `user_id` FROM `*PREFIX*music_albums` WHERE `cover_file_id` IN ' . |
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$this->questionMarks(count($coverFileIds)); |
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$params = $coverFileIds; |
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if ($userId) { |
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$sql .= ' AND `user_id` = ?'; |
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$params[] = $userId; |
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} |
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$albums = $this->findEntities($sql, $params); |
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// if any albums found, remove the cover from those |
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$count = count($albums); |
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if ($count) { |
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$sql = 'UPDATE `*PREFIX*music_albums` |
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SET `cover_file_id` = NULL |
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WHERE `id` IN ' . $this->questionMarks($count); |
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$params = array_map(function($a) { return $a->getId(); }, $albums); |
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$result = $this->execute($sql, $params); |
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} |
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// get unique users from the modified albums |
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$users = array_map(function($a) { return $a->getUserId(); }, $albums); |
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return array_unique($users); |
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} |
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/** |
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* @return array of dictionaries with keys [albumId, userId, parentFolderId] |
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*/ |
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public function getAlbumsWithoutCover(){ |
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$sql = 'SELECT DISTINCT `albums`.`id`, `albums`.`user_id`, `files`.`parent` |
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FROM `*PREFIX*music_albums` `albums` |
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JOIN `*PREFIX*music_tracks` `tracks` ON `albums`.`id` = `tracks`.`album_id` |
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JOIN `*PREFIX*filecache` `files` ON `tracks`.`file_id` = `files`.`fileid` |
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WHERE `albums`.`cover_file_id` IS NULL'; |
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$result = $this->execute($sql); |
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$return = Array(); |
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while($row = $result->fetch()){ |
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$return[] = [ |
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'albumId' => $row['id'], |
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'userId' => $row['user_id'], |
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'parentFolderId' => $row['parent'] |
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]; |
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} |
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return $return; |
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} |
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/** |
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* @param integer $albumId |
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* @param integer $parentFolderId |
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* @return true if a cover image was found and added for the album |
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*/ |
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public function findAlbumCover($albumId, $parentFolderId){ |
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$return = false; |
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$coverNames = array('cover', 'albumart', 'front', 'folder'); |
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$imagesSql = 'SELECT `fileid`, `name` |
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FROM `*PREFIX*filecache` |
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JOIN `*PREFIX*mimetypes` ON `*PREFIX*mimetypes`.`id` = `*PREFIX*filecache`.`mimetype` |
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WHERE `parent` = ? AND `*PREFIX*mimetypes`.`mimetype` LIKE \'image%\''; |
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$params = array($parentFolderId); |
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$result = $this->execute($imagesSql, $params); |
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$images = $result->fetchAll(); |
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if (count($images)) { |
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usort($images, function ($imageA, $imageB) use ($coverNames) { |
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$nameA = strtolower($imageA['name']); |
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$nameB = strtolower($imageB['name']); |
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$indexA = PHP_INT_MAX; |
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$indexB = PHP_INT_MAX; |
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foreach ($coverNames as $i => $coverName) { |
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if ($indexA === PHP_INT_MAX && strpos($nameA, $coverName) === 0) { |
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$indexA = $i; |
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} |
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if ($indexB === PHP_INT_MAX && strpos($nameB, $coverName) === 0) { |
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$indexB = $i; |
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} |
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if ($indexA !== PHP_INT_MAX && $indexB !== PHP_INT_MAX) { |
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break; |
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} |
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} |
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return $indexA > $indexB; |
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}); |
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$imageId = $images[0]['fileid']; |
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$this->setCover($imageId, $albumId); |
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$return = true; |
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} |
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return $return; |
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} |
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/** |
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* Returns the count of albums an Artist is featured in |
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* @param integer $artistId |
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* @return integer |
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*/ |
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public function countByArtist($artistId){ |
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$sql = 'SELECT COUNT(*) AS count FROM '. |
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'(SELECT DISTINCT `track`.`album_id` FROM '. |
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'`*PREFIX*music_tracks` `track` WHERE `track`.`artist_id` = ? '. |
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'UNION SELECT `album`.`id` FROM '. |
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'`*PREFIX*music_albums` `album` WHERE `album`.`album_artist_id` = ?) tmp'; |
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$params = array($artistId, $userId, $artistId, $userId); |
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$result = $this->execute($sql, $params); |
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$row = $result->fetch(); |
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return $row['count']; |
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} |
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/** |
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* @param string $name |
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* @param string $userId |
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* @param bool $fuzzy |
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* @return Album[] |
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*/ |
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View Code Duplication |
public function findAllByName($name, $userId, $fuzzy = false){ |
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if ($fuzzy) { |
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$condition = 'AND LOWER(`album`.`name`) LIKE LOWER(?) '; |
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$name = '%' . $name . '%'; |
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} else { |
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$condition = 'AND `album`.`name` = ? '; |
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} |
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$sql = $this->makeSelectQuery($condition . 'ORDER BY LOWER(`album`.`name`)'); |
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$params = array($userId, $name); |
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return $this->findEntities($sql, $params); |
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} |
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public function findUniqueEntity(Album $album){ |
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return $this->findEntity( |
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'SELECT * FROM `*PREFIX*music_albums` WHERE `user_id` = ? AND `hash` = ?', |
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[$album->getUserId(), $album->getHash()] |
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); |
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} |
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} |
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In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: