nextcloud-jukebox/lib/Db/RadioStationMapper.php

<?php

declare(strict_types=1);
// SPDX-FileCopyrightText: Chen Asraf <contact@casraf.dev>
// SPDX-License-Identifier: AGPL-3.0-or-later

namespace OCA\Jukebox\Db;

use OCA\Jukebox\AppInfo\Application;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\QBMapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;

/**
 * @template-extends QBMapper<RadioStation>
 */
class RadioStationMapper extends QBMapper {
	public function __construct(
		IDBConnection $db,
	) {
		parent::__construct($db, Application::tableName('radio_stations'), RadioStation::class);
	}

	/**
	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
	 * @throws DoesNotExistException
	 */
	public function find(int $id): RadioStation {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where($qb->expr()->eq('id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT)));
		return $this->findEntity($qb);
	}

	/**
	 * @return array<RadioStation>
	 */
	public function findAll(): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')->from($this->getTableName());
		return $this->findEntities($qb);
	}

	/**
	 * @param string $remoteUuid
	 * @return RadioStation|null
	 */
	public function findByRemoteUuid(string $userId, string $remoteUuid): ?RadioStation {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId)))
			->andWhere($qb->expr()->eq('remote_uuid', $qb->createNamedParameter($remoteUuid)))
			->setMaxResults(1);

		try {
			return $this->findEntity($qb);
		} catch (DoesNotExistException) {
			return null;
		}
	}

	/**
	 * @param string $userId
	 * @return array<RadioStation>
	 */
	public function findByUserId(string $userId): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId)));

		return $this->findEntities($qb);
	}

	/**
	 * @param string $userId
	 * @return array<RadioStation>
	 */
	public function findFavoritesByUserId(string $userId): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId)))
			->andWhere($qb->expr()->eq('favorited', $qb->createNamedParameter(true)));

		return $this->findEntities($qb);
	}

	/**
	 * Count how many radio stations exist for a user
	 *
	 * @param string $userId
	 * @return int
	 */
	public function countForUser(string $userId): int {
		$qb = $this->db->getQueryBuilder();
		$qb->select($qb->createFunction('COUNT(*)'))
			->from($this->getTableName())
			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId)));
		return (int)$qb->executeQuery()->fetchOne();
	}

	/**
	 * Find radio stations for a user with pagination support
	 *
	 * @param string $userId
	 * @param int $offset
	 * @param int $limit
	 * @return array<RadioStation>
	 */
	public function findPaginatedByUserId(string $userId, int $offset, int $limit): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId)))
			->setFirstResult($offset)
			->setMaxResults($limit)
			->orderBy('name', 'ASC');

		return $this->findEntities($qb);
	}
}