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<?php |
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/** |
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* ownCloud - Music app |
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* |
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* @author Morris Jobke |
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* @copyright 2013 Morris Jobke <[email protected]> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE |
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* License as published by the Free Software Foundation; either |
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* version 3 of the License, or any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public |
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* License along with this library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\Music\BusinessLayer; |
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use \OCA\Music\AppFramework\BusinessLayer\BusinessLayer; |
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use \OCA\Music\AppFramework\Core\Logger; |
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use \OCA\Music\Db\TrackMapper; |
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use \OCA\Music\Db\Track; |
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class TrackBusinessLayer extends BusinessLayer { |
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private $logger; |
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public function __construct(TrackMapper $trackMapper, Logger $logger){ |
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parent::__construct($trackMapper); |
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$this->logger = $logger; |
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} |
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/** |
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* Returns all tracks filtered by artist |
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* @param string $artistId the id of the artist |
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* @param string $userId the name of the user |
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* @return array of tracks |
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*/ |
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public function findAllByArtist($artistId, $userId){ |
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return $this->mapper->findAllByArtist($artistId, $userId); |
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} |
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/** |
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* Returns all tracks filtered by album |
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* @param string $albumId the id of the track |
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* @param string $userId the name of the user |
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* @return \OCA\Music\Db\Track[] tracks |
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*/ |
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public function findAllByAlbum($albumId, $userId, $artistId = null){ |
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return $this->mapper->findAllByAlbum($albumId, $userId, $artistId); |
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} |
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/** |
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* Returns the track for a file id |
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* @param string $fileId the file id of the track |
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* @param string $userId the name of the user |
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* @return \OCA\Music\Db\Track track |
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*/ |
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public function findByFileId($fileId, $userId){ |
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return $this->mapper->findByFileId($fileId, $userId); |
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} |
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/** |
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* Returns file IDs of all indexed tracks of the user |
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* @param string $userId |
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* @return int[] |
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*/ |
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public function findAllFileIds($userId){ |
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return $this->mapper->findAllFileIds($userId); |
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} |
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/** |
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* Adds a track if it does not exist already or updates an existing track |
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* @param string $title the title of the track |
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* @param string $number the number of the track |
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* @param string $artistId the artist id of the track |
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* @param string $albumId the album id of the track |
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* @param string $fileId the file id of the track |
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* @param string $mimetype the mimetype of the track |
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* @param string $userId the name of the user |
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* @param int $length track length in seconds |
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* @param int $bitrate track bitrate in bits (not kbits) |
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* @return \OCA\Music\Db\Track The added/updated track |
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*/ |
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public function addOrUpdateTrack( |
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$title, $number, $artistId, $albumId, $fileId, |
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$mimetype, $userId, $length=null, $bitrate=null){ |
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$track = new Track(); |
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$track->setTitle($title); |
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$track->setNumber($number); |
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$track->setArtistId($artistId); |
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$track->setAlbumId($albumId); |
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$track->setFileId($fileId); |
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$track->setMimetype($mimetype); |
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$track->setUserId($userId); |
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$track->setLength($length); |
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$track->setBitrate($bitrate); |
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return $this->mapper->insertOrUpdate($track); |
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} |
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/** |
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* Deletes a track |
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* @param int|int[] $fileIds one or multiple tracks |
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* @param string|null $userId the name of the user; if omitted, the tracks matching the |
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* $fileId are deleted from all users |
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* @return False if no such track was found; otherwise array of six arrays |
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* (named 'deletedTracks', 'remainingAlbums', 'remainingArtists', 'obsoleteAlbums', |
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* 'obsoleteArtists', and 'affectedUsers'). These contain the track, album, artist, and |
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* user IDs of the deleted tracks. The 'obsolete' entities are such which no longer |
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* have any tracks while 'remaining' entities have some left. |
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*/ |
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public function deleteTracks($fileIds, $userId = null){ |
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if(!is_array($fileIds)){ |
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$fileIds = [$fileIds]; |
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} |
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$tracks = ($userId !== null) |
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? $this->mapper->findByFileIds($fileIds, $userId) |
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: $this->mapper->findAllByFileIds($fileIds); |
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if(count($tracks) === 0){ |
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$result = false; |
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} |
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else{ |
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// delete all the matching tracks |
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$trackIds = array_map(function($t) { return $t->getId(); }, $tracks); |
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$this->deleteById($trackIds); |
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// find all distinct albums, artists, and users of the deleted tracks |
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$artists = []; |
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$albums = []; |
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$users = []; |
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foreach($tracks as $track){ |
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$artists[$track->getArtistId()] = 1; |
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$albums[$track->getAlbumId()] = 1; |
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$users[$track->getUserId()] = 1; |
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} |
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$artists = array_keys($artists); |
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$albums = array_keys($albums); |
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$users = array_keys($users); |
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// categorize each artist as 'remaining' or 'obsolete' |
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$remainingArtists = []; |
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$obsoleteArtists = []; |
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foreach($artists as $artistId){ |
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$result = $this->mapper->countByArtist($artistId); |
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if($result === '0'){ |
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$obsoleteArtists[] = $artistId; |
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}else{ |
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$remainingArtists[] = $artistId; |
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} |
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} |
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// categorize each album as 'remaining' or 'obsolete' |
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$remainingAlbums = []; |
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$obsoleteAlbums = []; |
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foreach($albums as $albumId){ |
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$result = $this->mapper->countByAlbum($albumId); |
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if($result === '0'){ |
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$obsoleteAlbums[] = $albumId; |
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}else{ |
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$remainingAlbums[] = $albumId; |
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} |
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} |
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$result = [ |
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'deletedTracks' => $trackIds, |
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'remainingAlbums' => $remainingAlbums, |
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'remainingArtists' => $remainingArtists, |
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'obsoleteAlbums' => $obsoleteAlbums, |
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'obsoleteArtists' => $obsoleteArtists, |
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'affectedUsers' => $users |
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]; |
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} |
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return $result; |
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} |
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/** |
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* Returns all tracks filtered by name (of track/album/artist) |
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* @param string $name the name of the track/album/artist |
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* @param string $userId the name of the user |
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* @return \OCA\Music\Db\Track[] tracks |
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*/ |
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public function findAllByNameRecursive($name, $userId){ |
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return $this->mapper->findAllByNameRecursive($name, $userId); |
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} |
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} |
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owncloud /
music
