TrackBusinessLayer::injectTracksToAlbums() - Code Metrics - Inspection of "Ampache: Support for parameter `include` in the me..." - owncloud/music - Measure and Improve Code Quality continuously with Scrutinizer

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by Pauli

created 2023-09-03 10:10 UTC

TrackBusinessLayer::injectTracksToAlbums() A

↳ Parent: Project

Complexity

Conditions	6
Paths	12

Size

Total Lines	17
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	6
eloc	12
nc	12
nop	2
dl	0
loc	17
rs	9.2222
c	0
b	0
f	0

<?php declare(strict_types=1);

/**
 * ownCloud - Music app
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Morris Jobke <[email protected]>
 * @author Pauli Järvinen <[email protected]>
 * @copyright Morris Jobke 2013
 * @copyright Pauli Järvinen 2016 - 2023
 */

namespace OCA\Music\BusinessLayer;

use OCA\Music\AppFramework\BusinessLayer\BusinessLayer;
use OCA\Music\AppFramework\BusinessLayer\BusinessLayerException;
use OCA\Music\AppFramework\Core\Logger;

use OCA\Music\Db\TrackMapper;
use OCA\Music\Db\Track;

use OCA\Music\Utility\Util;

use OCP\AppFramework\Db\DoesNotExistException;
use OCP\Files\Folder;

/**
 * Base class functions with the actually used inherited types to help IDE and Scrutinizer:
 * @method Track find(int $trackId, string $userId)
 * @method Track[] findAll(string $userId, int $sortBy=SortBy::None, int $limit=null, int $offset=null)
 * @method Track[] findAllByName(string $name, string $userId, int $matchMode=MatchMode::Exact, int $limit=null, int $offset=null)
 * @phpstan-extends BusinessLayer<Track>
 */
class TrackBusinessLayer extends BusinessLayer {
	protected $mapper; // eclipse the definition from the base class, to help IDE and Scrutinizer to know the actual type
	private $logger;

	public function __construct(TrackMapper $trackMapper, Logger $logger) {
		parent::__construct($trackMapper);
		$this->mapper = $trackMapper;
		$this->logger = $logger;
	}

	/**
	 * Returns all tracks filtered by artist (both album and track artists are considered)
	 * @return Track[]
	 */
	public function findAllByArtist(int $artistId, string $userId, ?int $limit=null, ?int $offset=null) : array {
		return $this->mapper->findAllByArtist($artistId, $userId, $limit, $offset);
	}

	/**
	 * Returns all tracks filtered by album. Optionally, filter also by the performing artist.
	 * @param int|int[] $albumId
	 * @return Track[]
	 */
	public function findAllByAlbum(/*mixed*/ $albumId, string $userId, ?int $artistId=null, ?int $limit=null, ?int $offset=null) : array {
		if (empty($albumId)) {
			return [];
		} else {
			if (!\is_array($albumId)) {
				$albumId = [$albumId];
			}
			return $this->mapper->findAllByAlbum($albumId, $userId, $artistId, $limit, $offset);
		}
	}

	/**
	 * Returns all tracks filtered by parent folder
	 * @return Track[]
	 */
	public function findAllByFolder(int $folderId, string $userId, ?int $limit=null, ?int $offset=null) : array {
		return $this->mapper->findAllByFolder($folderId, $userId, $limit, $offset);
	}

	/**
	 * Returns all tracks filtered by genre
	 * @return Track[]
	 */
	public function findAllByGenre(int $genreId, string $userId, ?int $limit=null, ?int $offset=null) : array {
		return $this->mapper->findAllByGenre($genreId, $userId, $limit, $offset);
	}

	/**
	 * Returns all tracks filtered by name (of track/album/artist)
	 * @param string $name the name of the track/album/artist
	 * @param string $userId the name of the user
	 * @return Track[]
	 */
	public function findAllByNameRecursive(string $name, string $userId, ?int $limit=null, ?int $offset=null) : array {
		$name = \trim($name);
		return $this->mapper->findAllByNameRecursive($name, $userId, $limit, $offset);
	}

	/**
	 * Returns all tracks specified by name and/or artist name
	 * @return Track[] Tracks matching the criteria
	 */
	public function findAllByNameAndArtistName(?string $name, ?string $artistName, string $userId) : array {
		if ($name !== null) {
			$name = \trim($name);
		}
		if ($artistName !== null) {
			$artistName = \trim($artistName);
		}

		return $this->mapper->findAllByNameAndArtistName($name, $artistName, $userId);
	}

	/**
	 * Returns all tracks where the 'modified' time in the file system (actually in the cloud's file cache)
	 * is later than the 'updated' field of the entity in the database.
	 * @return Track[]
	 */
	public function findAllDirty(string $userId) : array {
		$tracks = $this->findAll($userId);
		return \array_filter($tracks, function (Track $track) {
			$dbModTime = new \DateTime($track->getUpdated());
			return ($dbModTime->getTimestamp() < $track->getFileModTime());
		});
	}

	/**
	 * Find most frequently played tracks
	 * @return Track[]
	 */
	public function findFrequentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
		return $this->mapper->findFrequentPlay($userId, $limit, $offset);
	}

	/**
	 * Find most recently played tracks
	 * @return Track[]
	 */
	public function findRecentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
		return $this->mapper->findRecentPlay($userId, $limit, $offset);
	}

	/**
	 * Find least recently played tracks
	 * @return Track[]
	 */
	public function findNotRecentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
		return $this->mapper->findNotRecentPlay($userId, $limit, $offset);
	}

	/**
	 * Returns the track for a file id
	 * @return Track|null
	 */
	public function findByFileId(int $fileId, string $userId) : ?Track {
		try {
			return $this->mapper->findByFileId($fileId, $userId);
		} catch (DoesNotExistException $e) {
			return null;
		}
	}

	/**
	 * Returns file IDs of all indexed tracks of the user
	 * @return int[]
	 */
	public function findAllFileIds(string $userId) : array {
		return $this->mapper->findAllFileIds($userId);
	}

	/**
	 * Returns all folders of the user containing indexed tracks, along with the contained track IDs
	 * @return array of entries like {id: int, name: string, path: string, parent: ?int, trackIds: int[]}
	 */
	public function findAllFolders(string $userId, Folder $musicFolder) : array {
		// All tracks of the user, grouped by their parent folders. Some of the parent folders
		// may be owned by other users and are invisible to this user (in case of shared files).
		$tracksByFolder = $this->mapper->findTrackAndFolderIds($userId);

		// Get the folder names and paths for ordinary local folders directly from the DB.
		// This is significantly more efficient than using the Files API because we need to
		// run only single DB query instead of one per folder.
		$folderNamesAndParents = $this->mapper->findNodeNamesAndParents(
				\array_keys($tracksByFolder), $musicFolder->getStorage()->getId());

		// root folder has to be handled as a special case because shared files from
		// many folders may be shown to this user mapped under the root folder
		$rootFolderTracks = [];

		// Build the final results. Use the previously fetched data for the ordinary
		// local folders and query the data through the Files API for the more special cases.
		$result = [];
		foreach ($tracksByFolder as $folderId => $trackIds) {
			$entry = self::getFolderEntry($folderNamesAndParents, $folderId, $trackIds, $musicFolder);

			if ($entry) {
				$result[] = $entry;
			} else {
				$rootFolderTracks = \array_merge($rootFolderTracks, $trackIds);
			}
		}

		// add the library root folder
		$result[] = [
			'name' => '',
			'parent' => null,
			'trackIds' => $rootFolderTracks,
			'id' => $musicFolder->getId()
		];

		// add the intermediate folders which do not directly contain any tracks
		$this->recursivelyAddMissingParentFolders($result, $result, $musicFolder);

		return $result;
	}

	private function recursivelyAddMissingParentFolders(array $foldersToProcess, array &$alreadyFoundFolders, Folder $musicFolder) : void {

		$parentIds = \array_unique(\array_column($foldersToProcess, 'parent'));
		$parentIds = Util::arrayDiff($parentIds, \array_column($alreadyFoundFolders, 'id'));
		$parentInfo = $this->mapper->findNodeNamesAndParents($parentIds, $musicFolder->getStorage()->getId());

		$newParents = [];
		foreach ($parentIds as $parentId) {
			if ($parentId !== null) {
				$parentEntry = self::getFolderEntry($parentInfo, $parentId, [], $musicFolder);
				if ($parentEntry !== null) {
					$newParents[] = $parentEntry;
				}
			}
		}

		$alreadyFoundFolders = \array_merge($alreadyFoundFolders, $newParents);

		if (\count($newParents)) {
			$this->recursivelyAddMissingParentFolders($newParents, $alreadyFoundFolders, $musicFolder);
		}
	}

	private static function getFolderEntry(array $folderNamesAndParents, int $folderId, array $trackIds, Folder $musicFolder) : ?array {
		if (isset($folderNamesAndParents[$folderId])) {
			// normal folder within the user home storage
			$entry = $folderNamesAndParents[$folderId];
			// special handling for the root folder
			if ($folderId === $musicFolder->getId()) {
				$entry = null;
			}
		} else {
			// shared folder or parent folder of a shared file or an externally mounted folder
			$folderNode = $musicFolder->getById($folderId)[0] ?? null;
			if ($folderNode === null) {
				// other user's folder with files shared with this user (mapped under root)
				$entry = null;
			} else {
				$entry = [
					'name' => $folderNode->getName(),
					'parent' => $folderNode->getParent()->getId()
				];
			}
		}

		if ($entry) {
			$entry['trackIds'] = $trackIds;
			$entry['id'] = $folderId;

			if ($entry['id'] == $musicFolder->getId()) {
				// the library root should be reported without a parent folder as that parent does not belong to the library
				$entry['parent'] = null;
			}
		}

		return $entry;
	}

	/**
	 * Returns all genre IDs associated with the given artist
	 * @return int[]
	 */
	public function getGenresByArtistId(int $artistId, string $userId) : array {
		return $this->mapper->getGenresByArtistId($artistId, $userId);
	}

	/**
	 * Returns file IDs of the tracks which do not have genre scanned. This is not the same
	 * thing as unknown genre, which is stored as empty string and means that the genre has
	 * been scanned but was not found from the track metadata.
	 * @return int[]
	 */
	public function findFilesWithoutScannedGenre(string $userId) : array {
		return $this->mapper->findFilesWithoutScannedGenre($userId);
	}

	public function countByArtist(int $artistId) : int {
		return $this->mapper->countByArtist($artistId);
	}

	public function countByAlbum(int $albumId) : int {
		return $this->mapper->countByAlbum($albumId);
	}

	/**
	 * @return integer Duration in seconds
	 */
	public function totalDurationOfAlbum(int $albumId) : int {
		return $this->mapper->totalDurationOfAlbum($albumId);
	}

	/**
	 * @return integer Duration in seconds
	 */
	public function totalDurationByArtist(int $artistId) : int {
		return $this->mapper->totalDurationByArtist($artistId);
	}

	/**
	 * Update "last played" timestamp and increment the total play count of the track.
	 */
	public function recordTrackPlayed(int $trackId, string $userId, ?\DateTime $timeOfPlay = null) : void {
		$timeOfPlay = $timeOfPlay ?? new \DateTime();

		if (!$this->mapper->recordTrackPlayed($trackId, $userId, $timeOfPlay)) {
			throw new BusinessLayerException("Track with ID $trackId was not found");
		}
	}

	/**
	 * Adds a track if it does not exist already or updates an existing track
	 * @param string $title the title of the track
	 * @param int|null $number the number of the track
	 * @param int|null $discNumber the number of the disc
	 * @param int|null $year the year of the release
	 * @param int $genreId the genre id of the track
	 * @param int $artistId the artist id of the track
	 * @param int $albumId the album id of the track
	 * @param int $fileId the file id of the track
	 * @param string $mimetype the mimetype of the track
	 * @param string $userId the name of the user
	 * @param int $length track length in seconds
	 * @param int $bitrate track bitrate in bits (not kbits)
	 * @return Track The added/updated track
	 */
	public function addOrUpdateTrack(
			$title, $number, $discNumber, $year, $genreId, $artistId, $albumId,
			$fileId, $mimetype, $userId, $length=null, $bitrate=null) {
		$track = new Track();
		$track->setTitle(Util::truncate($title, 256)); // some DB setups can't truncate automatically to column max size
		$track->setNumber($number);
		$track->setDisk($discNumber);
		$track->setYear($year);
		$track->setGenreId($genreId);
		$track->setArtistId($artistId);
		$track->setAlbumId($albumId);
		$track->setFileId($fileId);
		$track->setMimetype($mimetype);
		$track->setUserId($userId);
		$track->setLength($length);
		$track->setBitrate($bitrate);
		return $this->mapper->insertOrUpdate($track);
	}

	/**
	 * Deletes a track
	 * @param int[] $fileIds file IDs of the tracks to delete
	 * @param string[]|null $userIds the target users; if omitted, the tracks matching the
	 *                      $fileIds are deleted from all users
	 * @return array|false  False is returned if no such track was found; otherwise array of six arrays
	 *         (named 'deletedTracks', 'remainingAlbums', 'remainingArtists', 'obsoleteAlbums',
	 *         'obsoleteArtists', and 'affectedUsers'). These contain the track, album, artist, and
	 *         user IDs of the deleted tracks. The 'obsolete' entities are such which no longer
	 *         have any tracks while 'remaining' entities have some left.
	 */
	public function deleteTracks(array $fileIds, ?array $userIds=null) {
		$tracks = ($userIds !== null)
			? $this->mapper->findByFileIds($fileIds, $userIds)
			: $this->mapper->findAllByFileIds($fileIds);

		if (\count($tracks) === 0) {
			$result = false;
		} else {
			// delete all the matching tracks
			$trackIds = Util::extractIds($tracks);
			$this->deleteById($trackIds);

			// find all distinct albums, artists, and users of the deleted tracks
			$artists = [];
			$albums = [];
			$users = [];
			foreach ($tracks as $track) {
				$artists[$track->getArtistId()] = 1;
				$albums[$track->getAlbumId()] = 1;
				$users[$track->getUserId()] = 1;
			}
			$artists = \array_keys($artists);
			$albums = \array_keys($albums);
			$users = \array_keys($users);

			// categorize each artist as 'remaining' or 'obsolete'
			$remainingArtists = [];
			$obsoleteArtists = [];
			foreach ($artists as $artistId) {
				if ($this->mapper->countByArtist($artistId) === 0) {
					$obsoleteArtists[] = $artistId;
				} else {
					$remainingArtists[] = $artistId;
				}
			}

			// categorize each album as 'remaining' or 'obsolete'
			$remainingAlbums = [];
			$obsoleteAlbums = [];
			foreach ($albums as $albumId) {
				if ($this->mapper->countByAlbum($albumId) === 0) {
					$obsoleteAlbums[] = $albumId;
				} else {
					$remainingAlbums[] = $albumId;
				}
			}

			$result = [
				'deletedTracks'    => $trackIds,
				'remainingAlbums'  => $remainingAlbums,
				'remainingArtists' => $remainingArtists,
				'obsoleteAlbums'   => $obsoleteAlbums,
				'obsoleteArtists'  => $obsoleteArtists,
				'affectedUsers'    => $users
			];
		}

		return $result;
	}
}


1			<?php declare(strict_types=1);
2
3			/**
4			* ownCloud - Music app
5			*
6			* This file is licensed under the Affero General Public License version 3 or
7			* later. See the COPYING file.
8			*
9			* @author Morris Jobke <[email protected]>
10			* @author Pauli Järvinen <[email protected]>
11			* @copyright Morris Jobke 2013
12			* @copyright Pauli Järvinen 2016 - 2023
13			*/
14
15			namespace OCA\Music\BusinessLayer;
16
17			use OCA\Music\AppFramework\BusinessLayer\BusinessLayer;
18			use OCA\Music\AppFramework\BusinessLayer\BusinessLayerException;
19			use OCA\Music\AppFramework\Core\Logger;
20
21			use OCA\Music\Db\TrackMapper;
22			use OCA\Music\Db\Track;
23
24			use OCA\Music\Utility\Util;
25
26			use OCP\AppFramework\Db\DoesNotExistException;
27			use OCP\Files\Folder;
28
29			/**
30			* Base class functions with the actually used inherited types to help IDE and Scrutinizer:
31			* @method Track find(int $trackId, string $userId)
32			* @method Track[] findAll(string $userId, int $sortBy=SortBy::None, int $limit=null, int $offset=null)
33			* @method Track[] findAllByName(string $name, string $userId, int $matchMode=MatchMode::Exact, int $limit=null, int $offset=null)
34			* @phpstan-extends BusinessLayer<Track>
35			*/
36			class TrackBusinessLayer extends BusinessLayer {
37			protected $mapper; // eclipse the definition from the base class, to help IDE and Scrutinizer to know the actual type
38			private $logger;
39
40			public function __construct(TrackMapper $trackMapper, Logger $logger) {
41			parent::__construct($trackMapper);
42			$this->mapper = $trackMapper;
43			$this->logger = $logger;
44			}
45
46			/**
47			* Returns all tracks filtered by artist (both album and track artists are considered)
48			* @return Track[]
49			*/
50			public function findAllByArtist(int $artistId, string $userId, ?int $limit=null, ?int $offset=null) : array {
51			return $this->mapper->findAllByArtist($artistId, $userId, $limit, $offset);
52			}
53
54			/**
55			* Returns all tracks filtered by album. Optionally, filter also by the performing artist.
56			* @param int\|int[] $albumId
57			* @return Track[]
58			*/
59			public function findAllByAlbum(/mixed/ $albumId, string $userId, ?int $artistId=null, ?int $limit=null, ?int $offset=null) : array {
60			if (empty($albumId)) {
61			return [];
62			} else {
63			if (!\is_array($albumId)) {
64			$albumId = [$albumId];
65			}
66			return $this->mapper->findAllByAlbum($albumId, $userId, $artistId, $limit, $offset);
67			}
68			}
69
70			/**
71			* Returns all tracks filtered by parent folder
72			* @return Track[]
73			*/
74			public function findAllByFolder(int $folderId, string $userId, ?int $limit=null, ?int $offset=null) : array {
75			return $this->mapper->findAllByFolder($folderId, $userId, $limit, $offset);
76			}
77
78			/**
79			* Returns all tracks filtered by genre
80			* @return Track[]
81			*/
82			public function findAllByGenre(int $genreId, string $userId, ?int $limit=null, ?int $offset=null) : array {
83			return $this->mapper->findAllByGenre($genreId, $userId, $limit, $offset);
84			}
85
86			/**
87			* Returns all tracks filtered by name (of track/album/artist)
88			* @param string $name the name of the track/album/artist
89			* @param string $userId the name of the user
90			* @return Track[]
91			*/
92			public function findAllByNameRecursive(string $name, string $userId, ?int $limit=null, ?int $offset=null) : array {
93			$name = \trim($name);
94			return $this->mapper->findAllByNameRecursive($name, $userId, $limit, $offset);
95			}
96
97			/**
98			* Returns all tracks specified by name and/or artist name
99			* @return Track[] Tracks matching the criteria
100			*/
101			public function findAllByNameAndArtistName(?string $name, ?string $artistName, string $userId) : array {
102			if ($name !== null) {
103			$name = \trim($name);
104			}
105			if ($artistName !== null) {
106			$artistName = \trim($artistName);
107			}
108
109			return $this->mapper->findAllByNameAndArtistName($name, $artistName, $userId);
110			}
111
112			/**
113			* Returns all tracks where the 'modified' time in the file system (actually in the cloud's file cache)
114			* is later than the 'updated' field of the entity in the database.
115			* @return Track[]
116			*/
117			public function findAllDirty(string $userId) : array {
118			$tracks = $this->findAll($userId);
119			return \array_filter($tracks, function (Track $track) {
120			$dbModTime = new \DateTime($track->getUpdated());
121			return ($dbModTime->getTimestamp() < $track->getFileModTime());
122			});
123			}
124
125			/**
126			* Find most frequently played tracks
127			* @return Track[]
128			*/
129			public function findFrequentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
130			return $this->mapper->findFrequentPlay($userId, $limit, $offset);
131			}
132
133			/**
134			* Find most recently played tracks
135			* @return Track[]
136			*/
137			public function findRecentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
138			return $this->mapper->findRecentPlay($userId, $limit, $offset);
139			}
140
141			/**
142			* Find least recently played tracks
143			* @return Track[]
144			*/
145			public function findNotRecentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
146			return $this->mapper->findNotRecentPlay($userId, $limit, $offset);
147			}
148
149			/**
150			* Returns the track for a file id
151			* @return Track\|null
152			*/
153			public function findByFileId(int $fileId, string $userId) : ?Track {
154			try {
155			return $this->mapper->findByFileId($fileId, $userId);
156			} catch (DoesNotExistException $e) {
157			return null;
158			}
159			}
160
161			/**
162			* Returns file IDs of all indexed tracks of the user
163			* @return int[]
164			*/
165			public function findAllFileIds(string $userId) : array {
166			return $this->mapper->findAllFileIds($userId);
167			}
168
169			/**
170			* Returns all folders of the user containing indexed tracks, along with the contained track IDs
171			* @return array of entries like {id: int, name: string, path: string, parent: ?int, trackIds: int[]}
172			*/
173			public function findAllFolders(string $userId, Folder $musicFolder) : array {
174			// All tracks of the user, grouped by their parent folders. Some of the parent folders
175			// may be owned by other users and are invisible to this user (in case of shared files).
176			$tracksByFolder = $this->mapper->findTrackAndFolderIds($userId);
177
178			// Get the folder names and paths for ordinary local folders directly from the DB.
179			// This is significantly more efficient than using the Files API because we need to
180			// run only single DB query instead of one per folder.
181			$folderNamesAndParents = $this->mapper->findNodeNamesAndParents(
182			\array_keys($tracksByFolder), $musicFolder->getStorage()->getId());
183
184			// root folder has to be handled as a special case because shared files from
185			// many folders may be shown to this user mapped under the root folder
186			$rootFolderTracks = [];
187
188			// Build the final results. Use the previously fetched data for the ordinary
189			// local folders and query the data through the Files API for the more special cases.
190			$result = [];
191			foreach ($tracksByFolder as $folderId => $trackIds) {
192			$entry = self::getFolderEntry($folderNamesAndParents, $folderId, $trackIds, $musicFolder);
193
194			if ($entry) {
195			$result[] = $entry;
196			} else {
197			$rootFolderTracks = \array_merge($rootFolderTracks, $trackIds);
198			}
199			}
200
201			// add the library root folder
202			$result[] = [
203			'name' => '',
204			'parent' => null,
205			'trackIds' => $rootFolderTracks,
206			'id' => $musicFolder->getId()
207			];
208
209			// add the intermediate folders which do not directly contain any tracks
210			$this->recursivelyAddMissingParentFolders($result, $result, $musicFolder);
211
212			return $result;
213			}
214
215			private function recursivelyAddMissingParentFolders(array $foldersToProcess, array &$alreadyFoundFolders, Folder $musicFolder) : void {
216
217			$parentIds = \array_unique(\array_column($foldersToProcess, 'parent'));
218			$parentIds = Util::arrayDiff($parentIds, \array_column($alreadyFoundFolders, 'id'));
219			$parentInfo = $this->mapper->findNodeNamesAndParents($parentIds, $musicFolder->getStorage()->getId());
220
221			$newParents = [];
222			foreach ($parentIds as $parentId) {
223			if ($parentId !== null) {
224			$parentEntry = self::getFolderEntry($parentInfo, $parentId, [], $musicFolder);
225			if ($parentEntry !== null) {
226			$newParents[] = $parentEntry;
227			}
228			}
229			}
230
231			$alreadyFoundFolders = \array_merge($alreadyFoundFolders, $newParents);
232
233			if (\count($newParents)) {
234			$this->recursivelyAddMissingParentFolders($newParents, $alreadyFoundFolders, $musicFolder);
235			}
236			}
237
238			private static function getFolderEntry(array $folderNamesAndParents, int $folderId, array $trackIds, Folder $musicFolder) : ?array {
239			if (isset($folderNamesAndParents[$folderId])) {
240			// normal folder within the user home storage
241			$entry = $folderNamesAndParents[$folderId];
242			// special handling for the root folder
243			if ($folderId === $musicFolder->getId()) {
244			$entry = null;
245			}
246			} else {
247			// shared folder or parent folder of a shared file or an externally mounted folder
248			$folderNode = $musicFolder->getById($folderId)[0] ?? null;
249			if ($folderNode === null) {
250			// other user's folder with files shared with this user (mapped under root)
251			$entry = null;
252			} else {
253			$entry = [
254			'name' => $folderNode->getName(),
255			'parent' => $folderNode->getParent()->getId()
256			];
257			}
258			}
259
260			if ($entry) {
261			$entry['trackIds'] = $trackIds;
262			$entry['id'] = $folderId;
263
264			if ($entry['id'] == $musicFolder->getId()) {
265			// the library root should be reported without a parent folder as that parent does not belong to the library
266			$entry['parent'] = null;
267			}
268			}
269
270			return $entry;
271			}
272
273			/**
274			* Returns all genre IDs associated with the given artist
275			* @return int[]
276			*/
277			public function getGenresByArtistId(int $artistId, string $userId) : array {
278			return $this->mapper->getGenresByArtistId($artistId, $userId);
279			}
280
281			/**
282			* Returns file IDs of the tracks which do not have genre scanned. This is not the same
283			* thing as unknown genre, which is stored as empty string and means that the genre has
284			* been scanned but was not found from the track metadata.
285			* @return int[]
286			*/
287			public function findFilesWithoutScannedGenre(string $userId) : array {
288			return $this->mapper->findFilesWithoutScannedGenre($userId);
289			}
290
291			public function countByArtist(int $artistId) : int {
292			return $this->mapper->countByArtist($artistId);
293			}
294
295			public function countByAlbum(int $albumId) : int {
296			return $this->mapper->countByAlbum($albumId);
297			}
298
299			/**
300			* @return integer Duration in seconds
301			*/
302			public function totalDurationOfAlbum(int $albumId) : int {
303			return $this->mapper->totalDurationOfAlbum($albumId);
304			}
305
306			/**
307			* @return integer Duration in seconds
308			*/
309			public function totalDurationByArtist(int $artistId) : int {
310			return $this->mapper->totalDurationByArtist($artistId);
311			}
312
313			/**
314			* Update "last played" timestamp and increment the total play count of the track.
315			*/
316			public function recordTrackPlayed(int $trackId, string $userId, ?\DateTime $timeOfPlay = null) : void {
317			$timeOfPlay = $timeOfPlay ?? new \DateTime();
318
319			if (!$this->mapper->recordTrackPlayed($trackId, $userId, $timeOfPlay)) {
320			throw new BusinessLayerException("Track with ID $trackId was not found");
321			}
322			}
323
324			/**
325			* Adds a track if it does not exist already or updates an existing track
326			* @param string $title the title of the track
327			* @param int\|null $number the number of the track
328			* @param int\|null $discNumber the number of the disc
329			* @param int\|null $year the year of the release
330			* @param int $genreId the genre id of the track
331			* @param int $artistId the artist id of the track
332			* @param int $albumId the album id of the track
333			* @param int $fileId the file id of the track
334			* @param string $mimetype the mimetype of the track
335			* @param string $userId the name of the user
336			* @param int $length track length in seconds
337			* @param int $bitrate track bitrate in bits (not kbits)
338			* @return Track The added/updated track
339			*/
340			public function addOrUpdateTrack(
341			$title, $number, $discNumber, $year, $genreId, $artistId, $albumId,
342			$fileId, $mimetype, $userId, $length=null, $bitrate=null) {
343			$track = new Track();
344			$track->setTitle(Util::truncate($title, 256)); // some DB setups can't truncate automatically to column max size
345			$track->setNumber($number);
346			$track->setDisk($discNumber);
347			$track->setYear($year);
348			$track->setGenreId($genreId);
349			$track->setArtistId($artistId);
350			$track->setAlbumId($albumId);
351			$track->setFileId($fileId);
352			$track->setMimetype($mimetype);
353			$track->setUserId($userId);
354			$track->setLength($length);
355			$track->setBitrate($bitrate);
356			return $this->mapper->insertOrUpdate($track);
357			}
358
359			/**
360			* Deletes a track
361			* @param int[] $fileIds file IDs of the tracks to delete
362			* @param string[]\|null $userIds the target users; if omitted, the tracks matching the
363			* $fileIds are deleted from all users
364			* @return array\|false False is returned if no such track was found; otherwise array of six arrays
365			* (named 'deletedTracks', 'remainingAlbums', 'remainingArtists', 'obsoleteAlbums',
366			* 'obsoleteArtists', and 'affectedUsers'). These contain the track, album, artist, and
367			* user IDs of the deleted tracks. The 'obsolete' entities are such which no longer
368			* have any tracks while 'remaining' entities have some left.
369			*/
370			public function deleteTracks(array $fileIds, ?array $userIds=null) {
371			$tracks = ($userIds !== null)
372			? $this->mapper->findByFileIds($fileIds, $userIds)
373			: $this->mapper->findAllByFileIds($fileIds);
374
375			if (\count($tracks) === 0) {
376			$result = false;
377			} else {
378			// delete all the matching tracks
379			$trackIds = Util::extractIds($tracks);
380			$this->deleteById($trackIds);
381
382			// find all distinct albums, artists, and users of the deleted tracks
383			$artists = [];
384			$albums = [];
385			$users = [];
386			foreach ($tracks as $track) {
387			$artists[$track->getArtistId()] = 1;
388			$albums[$track->getAlbumId()] = 1;
389			$users[$track->getUserId()] = 1;
390			}
391			$artists = \array_keys($artists);
392			$albums = \array_keys($albums);
393			$users = \array_keys($users);
394
395			// categorize each artist as 'remaining' or 'obsolete'
396			$remainingArtists = [];
397			$obsoleteArtists = [];
398			foreach ($artists as $artistId) {
399			if ($this->mapper->countByArtist($artistId) === 0) {
400			$obsoleteArtists[] = $artistId;
401			} else {
402			$remainingArtists[] = $artistId;
403			}
404			}
405
406			// categorize each album as 'remaining' or 'obsolete'
407			$remainingAlbums = [];
408			$obsoleteAlbums = [];
409			foreach ($albums as $albumId) {
410			if ($this->mapper->countByAlbum($albumId) === 0) {
411			$obsoleteAlbums[] = $albumId;
412			} else {
413			$remainingAlbums[] = $albumId;
414			}
415			}
416
417			$result = [
418			'deletedTracks' => $trackIds,
419			'remainingAlbums' => $remainingAlbums,
420			'remainingArtists' => $remainingArtists,
421			'obsoleteAlbums' => $obsoleteAlbums,
422			'obsoleteArtists' => $obsoleteArtists,
423			'affectedUsers' => $users
424			];
425			}
426
427			return $result;
428			}
429			}
430

owncloud / music

Push — feature/909_Ampache_API_improv... ( 5a3d3f...673c0e )

TrackBusinessLayer::injectTracksToAlbums() A

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