TrackBusinessLayer::countByAlbum() - Code Metrics - Inspection of "[WIP] Compatibility for Nextcloud 28" - owncloud/music - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#1116)

by Pauli

created 2023-12-30 22:14 UTC

TrackBusinessLayer::countByAlbum() A

↳ Parent: TrackBusinessLayer

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	1
dl	0
loc	2
rs	10
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)
	 * @param int|int[] $artistId
	 * @return Track[]
	 */
	public function findAllByArtist(/*mixed*/ $artistId, string $userId, ?int $limit=null, ?int $offset=null) : array {
		if (empty($artistId)) {
			return [];
		} else {
			if (!\is_array($artistId)) {
				$artistId = [$artistId];
			}
			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 {
		$libRootId = $musicFolder->getId();

		if (isset($folderNamesAndParents[$folderId])) {
			// normal folder within the user home storage
			$entry = $folderNamesAndParents[$folderId];
			// special handling for the root folder
			if ($folderId === $libRootId) {
				$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 {
				$parentId = $folderNode->getParent()->getId();
				// On NC28, the externally mounted folders have parentId=-1. Map such folders manually under the root folder.
				if ($parentId == -1) {
					$parentId = $libRootId;
				}
				$entry = [
					'name' => $folderNode->getName(),
					'parent' => $parentId
				];
			}
		}

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

			if ($entry['id'] == $libRootId) {
				// 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			* @param int\|int[] $artistId
49			* @return Track[]
50			*/
51			public function findAllByArtist(/mixed/ $artistId, string $userId, ?int $limit=null, ?int $offset=null) : array {
52			if (empty($artistId)) {
53			return [];
54			} else {
55			if (!\is_array($artistId)) {
56			$artistId = [$artistId];
57			}
58			return $this->mapper->findAllByArtist($artistId, $userId, $limit, $offset);
59			}
60			}
61
62			/**
63			* Returns all tracks filtered by album. Optionally, filter also by the performing artist.
64			* @param int\|int[] $albumId
65			* @return Track[]
66			*/
67			public function findAllByAlbum(/mixed/ $albumId, string $userId, ?int $artistId=null, ?int $limit=null, ?int $offset=null) : array {
68			if (empty($albumId)) {
69			return [];
70			} else {
71			if (!\is_array($albumId)) {
72			$albumId = [$albumId];
73			}
74			return $this->mapper->findAllByAlbum($albumId, $userId, $artistId, $limit, $offset);
75			}
76			}
77
78			/**
79			* Returns all tracks filtered by parent folder
80			* @return Track[]
81			*/
82			public function findAllByFolder(int $folderId, string $userId, ?int $limit=null, ?int $offset=null) : array {
83			return $this->mapper->findAllByFolder($folderId, $userId, $limit, $offset);
84			}
85
86			/**
87			* Returns all tracks filtered by genre
88			* @return Track[]
89			*/
90			public function findAllByGenre(int $genreId, string $userId, ?int $limit=null, ?int $offset=null) : array {
91			return $this->mapper->findAllByGenre($genreId, $userId, $limit, $offset);
92			}
93
94			/**
95			* Returns all tracks filtered by name (of track/album/artist)
96			* @param string $name the name of the track/album/artist
97			* @param string $userId the name of the user
98			* @return Track[]
99			*/
100			public function findAllByNameRecursive(string $name, string $userId, ?int $limit=null, ?int $offset=null) : array {
101			$name = \trim($name);
102			return $this->mapper->findAllByNameRecursive($name, $userId, $limit, $offset);
103			}
104
105			/**
106			* Returns all tracks specified by name and/or artist name
107			* @return Track[] Tracks matching the criteria
108			*/
109			public function findAllByNameAndArtistName(?string $name, ?string $artistName, string $userId) : array {
110			if ($name !== null) {
111			$name = \trim($name);
112			}
113			if ($artistName !== null) {
114			$artistName = \trim($artistName);
115			}
116
117			return $this->mapper->findAllByNameAndArtistName($name, $artistName, $userId);
118			}
119
120			/**
121			* Returns all tracks where the 'modified' time in the file system (actually in the cloud's file cache)
122			* is later than the 'updated' field of the entity in the database.
123			* @return Track[]
124			*/
125			public function findAllDirty(string $userId) : array {
126			$tracks = $this->findAll($userId);
127			return \array_filter($tracks, function (Track $track) {
128			$dbModTime = new \DateTime($track->getUpdated());
129			return ($dbModTime->getTimestamp() < $track->getFileModTime());
130			});
131			}
132
133			/**
134			* Find most frequently played tracks
135			* @return Track[]
136			*/
137			public function findFrequentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
138			return $this->mapper->findFrequentPlay($userId, $limit, $offset);
139			}
140
141			/**
142			* Find most recently played tracks
143			* @return Track[]
144			*/
145			public function findRecentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
146			return $this->mapper->findRecentPlay($userId, $limit, $offset);
147			}
148
149			/**
150			* Find least recently played tracks
151			* @return Track[]
152			*/
153			public function findNotRecentPlay(string $userId, ?int $limit=null, ?int $offset=null) : array {
154			return $this->mapper->findNotRecentPlay($userId, $limit, $offset);
155			}
156
157			/**
158			* Returns the track for a file id
159			* @return Track\|null
160			*/
161			public function findByFileId(int $fileId, string $userId) : ?Track {
162			try {
163			return $this->mapper->findByFileId($fileId, $userId);
164			} catch (DoesNotExistException $e) {
165			return null;
166			}
167			}
168
169			/**
170			* Returns file IDs of all indexed tracks of the user
171			* @return int[]
172			*/
173			public function findAllFileIds(string $userId) : array {
174			return $this->mapper->findAllFileIds($userId);
175			}
176
177			/**
178			* Returns all folders of the user containing indexed tracks, along with the contained track IDs
179			* @return array of entries like {id: int, name: string, path: string, parent: ?int, trackIds: int[]}
180			*/
181			public function findAllFolders(string $userId, Folder $musicFolder) : array {
182			// All tracks of the user, grouped by their parent folders. Some of the parent folders
183			// may be owned by other users and are invisible to this user (in case of shared files).
184			$tracksByFolder = $this->mapper->findTrackAndFolderIds($userId);
185
186			// Get the folder names and paths for ordinary local folders directly from the DB.
187			// This is significantly more efficient than using the Files API because we need to
188			// run only single DB query instead of one per folder.
189			$folderNamesAndParents = $this->mapper->findNodeNamesAndParents(
190			\array_keys($tracksByFolder), $musicFolder->getStorage()->getId());
191
192			// root folder has to be handled as a special case because shared files from
193			// many folders may be shown to this user mapped under the root folder
194			$rootFolderTracks = [];
195
196			// Build the final results. Use the previously fetched data for the ordinary
197			// local folders and query the data through the Files API for the more special cases.
198			$result = [];
199			foreach ($tracksByFolder as $folderId => $trackIds) {
200			$entry = self::getFolderEntry($folderNamesAndParents, $folderId, $trackIds, $musicFolder);
201
202			if ($entry) {
203			$result[] = $entry;
204			} else {
205			$rootFolderTracks = \array_merge($rootFolderTracks, $trackIds);
206			}
207			}
208
209			// add the library root folder
210			$result[] = [
211			'name' => '',
212			'parent' => null,
213			'trackIds' => $rootFolderTracks,
214			'id' => $musicFolder->getId()
215			];
216
217			// add the intermediate folders which do not directly contain any tracks
218			$this->recursivelyAddMissingParentFolders($result, $result, $musicFolder);
219
220			return $result;
221			}
222
223			private function recursivelyAddMissingParentFolders(array $foldersToProcess, array &$alreadyFoundFolders, Folder $musicFolder) : void {
224
225			$parentIds = \array_unique(\array_column($foldersToProcess, 'parent'));
226			$parentIds = Util::arrayDiff($parentIds, \array_column($alreadyFoundFolders, 'id'));
227			$parentInfo = $this->mapper->findNodeNamesAndParents($parentIds, $musicFolder->getStorage()->getId());
228
229			$newParents = [];
230			foreach ($parentIds as $parentId) {
231			if ($parentId !== null) {
232			$parentEntry = self::getFolderEntry($parentInfo, $parentId, [], $musicFolder);
233			if ($parentEntry !== null) {
234			$newParents[] = $parentEntry;
235			}
236			}
237			}
238
239			$alreadyFoundFolders = \array_merge($alreadyFoundFolders, $newParents);
240
241			if (\count($newParents)) {
242			$this->recursivelyAddMissingParentFolders($newParents, $alreadyFoundFolders, $musicFolder);
243			}
244			}
245
246			private static function getFolderEntry(array $folderNamesAndParents, int $folderId, array $trackIds, Folder $musicFolder) : ?array {
247			$libRootId = $musicFolder->getId();
248
249			if (isset($folderNamesAndParents[$folderId])) {
250			// normal folder within the user home storage
251			$entry = $folderNamesAndParents[$folderId];
252			// special handling for the root folder
253			if ($folderId === $libRootId) {
254			$entry = null;
255			}
256			} else {
257			// shared folder or parent folder of a shared file or an externally mounted folder
258			$folderNode = $musicFolder->getById($folderId)[0] ?? null;
259			if ($folderNode === null) {
260			// other user's folder with files shared with this user (mapped under root)
261			$entry = null;
262			} else {
263			$parentId = $folderNode->getParent()->getId();
264			// On NC28, the externally mounted folders have parentId=-1. Map such folders manually under the root folder.
265			if ($parentId == -1) {
266			$parentId = $libRootId;
267			}
268			$entry = [
269			'name' => $folderNode->getName(),
270			'parent' => $parentId
271			];
272			}
273			}
274
275			if ($entry) {
276			$entry['trackIds'] = $trackIds;
277			$entry['id'] = $folderId;
278
279			if ($entry['id'] == $libRootId) {
280			// the library root should be reported without a parent folder as that parent does not belong to the library
281			$entry['parent'] = null;
282			}
283			}
284
285			return $entry;
286			}
287
288			/**
289			* Returns all genre IDs associated with the given artist
290			* @return int[]
291			*/
292			public function getGenresByArtistId(int $artistId, string $userId) : array {
293			return $this->mapper->getGenresByArtistId($artistId, $userId);
294			}
295
296			/**
297			* Returns file IDs of the tracks which do not have genre scanned. This is not the same
298			* thing as unknown genre, which is stored as empty string and means that the genre has
299			* been scanned but was not found from the track metadata.
300			* @return int[]
301			*/
302			public function findFilesWithoutScannedGenre(string $userId) : array {
303			return $this->mapper->findFilesWithoutScannedGenre($userId);
304			}
305
306			public function countByArtist(int $artistId) : int {
307			return $this->mapper->countByArtist($artistId);
308			}
309
310			public function countByAlbum(int $albumId) : int {
311			return $this->mapper->countByAlbum($albumId);
312			}
313
314			/**
315			* @return integer Duration in seconds
316			*/
317			public function totalDurationOfAlbum(int $albumId) : int {
318			return $this->mapper->totalDurationOfAlbum($albumId);
319			}
320
321			/**
322			* @return integer Duration in seconds
323			*/
324			public function totalDurationByArtist(int $artistId) : int {
325			return $this->mapper->totalDurationByArtist($artistId);
326			}
327
328			/**
329			* Update "last played" timestamp and increment the total play count of the track.
330			*/
331			public function recordTrackPlayed(int $trackId, string $userId, ?\DateTime $timeOfPlay = null) : void {
332			$timeOfPlay = $timeOfPlay ?? new \DateTime();
333
334			if (!$this->mapper->recordTrackPlayed($trackId, $userId, $timeOfPlay)) {
335			throw new BusinessLayerException("Track with ID $trackId was not found");
336			}
337			}
338
339			/**
340			* Adds a track if it does not exist already or updates an existing track
341			* @param string $title the title of the track
342			* @param int\|null $number the number of the track
343			* @param int\|null $discNumber the number of the disc
344			* @param int\|null $year the year of the release
345			* @param int $genreId the genre id of the track
346			* @param int $artistId the artist id of the track
347			* @param int $albumId the album id of the track
348			* @param int $fileId the file id of the track
349			* @param string $mimetype the mimetype of the track
350			* @param string $userId the name of the user
351			* @param int $length track length in seconds
352			* @param int $bitrate track bitrate in bits (not kbits)
353			* @return Track The added/updated track
354			*/
355			public function addOrUpdateTrack(
356			$title, $number, $discNumber, $year, $genreId, $artistId, $albumId,
357			$fileId, $mimetype, $userId, $length=null, $bitrate=null) {
358			$track = new Track();
359			$track->setTitle(Util::truncate($title, 256)); // some DB setups can't truncate automatically to column max size
360			$track->setNumber($number);
361			$track->setDisk($discNumber);
362			$track->setYear($year);
363			$track->setGenreId($genreId);
364			$track->setArtistId($artistId);
365			$track->setAlbumId($albumId);
366			$track->setFileId($fileId);
367			$track->setMimetype($mimetype);
368			$track->setUserId($userId);
369			$track->setLength($length);
370			$track->setBitrate($bitrate);
371			return $this->mapper->insertOrUpdate($track);
372			}
373
374			/**
375			* Deletes a track
376			* @param int[] $fileIds file IDs of the tracks to delete
377			* @param string[]\|null $userIds the target users; if omitted, the tracks matching the
378			* $fileIds are deleted from all users
379			* @return array\|false False is returned if no such track was found; otherwise array of six arrays
380			* (named 'deletedTracks', 'remainingAlbums', 'remainingArtists', 'obsoleteAlbums',
381			* 'obsoleteArtists', and 'affectedUsers'). These contain the track, album, artist, and
382			* user IDs of the deleted tracks. The 'obsolete' entities are such which no longer
383			* have any tracks while 'remaining' entities have some left.
384			*/
385			public function deleteTracks(array $fileIds, ?array $userIds=null) {
386			$tracks = ($userIds !== null)
387			? $this->mapper->findByFileIds($fileIds, $userIds)
388			: $this->mapper->findAllByFileIds($fileIds);
389
390			if (\count($tracks) === 0) {
391			$result = false;
392			} else {
393			// delete all the matching tracks
394			$trackIds = Util::extractIds($tracks);
395			$this->deleteById($trackIds);
396
397			// find all distinct albums, artists, and users of the deleted tracks
398			$artists = [];
399			$albums = [];
400			$users = [];
401			foreach ($tracks as $track) {
402			$artists[$track->getArtistId()] = 1;
403			$albums[$track->getAlbumId()] = 1;
404			$users[$track->getUserId()] = 1;
405			}
406			$artists = \array_keys($artists);
407			$albums = \array_keys($albums);
408			$users = \array_keys($users);
409
410			// categorize each artist as 'remaining' or 'obsolete'
411			$remainingArtists = [];
412			$obsoleteArtists = [];
413			foreach ($artists as $artistId) {
414			if ($this->mapper->countByArtist($artistId) === 0) {
415			$obsoleteArtists[] = $artistId;
416			} else {
417			$remainingArtists[] = $artistId;
418			}
419			}
420
421			// categorize each album as 'remaining' or 'obsolete'
422			$remainingAlbums = [];
423			$obsoleteAlbums = [];
424			foreach ($albums as $albumId) {
425			if ($this->mapper->countByAlbum($albumId) === 0) {
426			$obsoleteAlbums[] = $albumId;
427			} else {
428			$remainingAlbums[] = $albumId;
429			}
430			}
431
432			$result = [
433			'deletedTracks' => $trackIds,
434			'remainingAlbums' => $remainingAlbums,
435			'remainingArtists' => $remainingArtists,
436			'obsoleteAlbums' => $obsoleteAlbums,
437			'obsoleteArtists' => $obsoleteArtists,
438			'affectedUsers' => $users
439			];
440			}
441
442			return $result;
443			}
444			}
445

owncloud / music

Pull Request — master (#1116)

TrackBusinessLayer::countByAlbum() A

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