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<?php declare(strict_types=1); |
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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 Pauli Järvinen <[email protected]> |
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* @copyright Pauli Järvinen 2020 - 2025 |
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*/ |
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namespace OCA\Music\Db; |
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use OCP\IConfig; |
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use OCP\IDBConnection; |
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/** |
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* @phpstan-extends BaseMapper<Genre> |
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*/ |
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class GenreMapper extends BaseMapper { |
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public function __construct(IDBConnection $db, IConfig $config) { |
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parent::__construct($db, $config, 'music_genres', Genre::class, 'name', ['user_id', 'lower_name']); |
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} |
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/** |
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* Create SQL query which selects genres excluding any empty genres (having no tracks) |
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* @see \OCA\Music\Db\BaseMapper::selectEntities |
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* @return string SQL query |
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*/ |
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protected function selectEntities(string $condition, ?string $extension=null) : string { |
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return $this->selectGenres($condition, 'HAVING COUNT(`track`.`id`) > 0 ' . $extension); |
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} |
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/** |
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* Create SQL query to select genres. Unlike the function selectEntities used by the |
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* base class BaseMapper, this function returns also the genres with no tracks at all. |
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* @return string SQL query |
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*/ |
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private function selectGenres(string $condition, ?string $extension=null) : string { |
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return "SELECT |
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`*PREFIX*music_genres`.`id`, |
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`*PREFIX*music_genres`.`name`, |
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`*PREFIX*music_genres`.`lower_name`, |
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`*PREFIX*music_genres`.`created`, |
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`*PREFIX*music_genres`.`updated`, |
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COUNT(`track`.`id`) AS `trackCount`, |
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COUNT(DISTINCT(`track`.`album_id`)) AS `albumCount`, |
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COUNT(DISTINCT(`track`.`artist_id`)) AS `artistCount` |
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FROM `*PREFIX*music_genres` |
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LEFT JOIN `*PREFIX*music_tracks` `track` |
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ON `track`.`genre_id` = `*PREFIX*music_genres`.`id` |
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WHERE $condition |
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GROUP BY |
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`*PREFIX*music_genres`.`id`, |
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`*PREFIX*music_genres`.`name`, |
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`*PREFIX*music_genres`.`lower_name`, |
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`*PREFIX*music_genres`.`created`, |
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`*PREFIX*music_genres`.`updated` |
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$extension"; |
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} |
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} |
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owncloud /
music
