144 lines
4.3 KiB
PHP
144 lines
4.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
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* @author Varun Patil <radialapps@gmail.com>
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* @license AGPL-3.0-or-later
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Memories\ClustersBackend;
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use OCA\Memories\Db\AlbumsQuery;
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use OCA\Memories\Db\TimelineQuery;
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use OCA\Memories\Exceptions;
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use OCA\Memories\Util;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IRequest;
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class AlbumsBackend extends Backend
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{
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public function __construct(
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protected AlbumsQuery $albumsQuery,
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protected IRequest $request,
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protected TimelineQuery $tq,
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) {}
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public static function appName(): string
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{
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return 'Albums';
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}
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public static function clusterType(): string
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{
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return 'albums';
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}
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public function isEnabled(): bool
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{
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return Util::albumsIsEnabled();
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}
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public function clusterName(string $name): string
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{
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return explode('/', $name)[1];
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}
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public function transformDayQuery(IQueryBuilder &$query, bool $aggregate): void
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{
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$albumId = (string) $this->request->getParam(self::clusterType());
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// Get album object
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$album = $this->albumsQuery->getIfAllowed($this->getUID(), $albumId);
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// Check permission
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if (null === $album) {
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throw new \Exception("Album {$albumId} not found");
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}
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// WHERE these are items with this album
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$query->innerJoin('m', 'photos_albums_files', 'paf', $query->expr()->andX(
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$query->expr()->eq('paf.album_id', $query->createNamedParameter($album['album_id'])),
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$query->expr()->eq('paf.file_id', 'm.fileid'),
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));
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// Since we joined to the album, otherwise this is unsafe
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$this->tq->allowEmptyRoot();
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}
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public function getClustersInternal(int $fileid = 0): array
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{
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// Run actual queries
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$list = [];
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// Personal albums
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$list = array_merge($list, $this->albumsQuery->getList(Util::getUID(), false, $fileid));
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// Shared albums
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$list = array_merge($list, $this->albumsQuery->getList(Util::getUID(), true, $fileid));
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// Remove elements with duplicate album_id
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$seenIds = [];
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$list = array_filter($list, static function ($item) use (&$seenIds) {
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if (\in_array($item['album_id'], $seenIds, true)) {
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return false;
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}
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$seenIds[] = $item['album_id'];
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return true;
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});
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// Add display names for users
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$userManager = \OC::$server->get(\OCP\IUserManager::class);
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array_walk($list, static function (array &$item) use ($userManager) {
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$user = $userManager->get($item['user']);
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$item['user_display'] = $user ? $user->getDisplayName() : null;
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});
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// Convert $list to sequential array
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return array_values($list);
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}
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public static function getClusterId(array $cluster): int|string
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{
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return $cluster['cluster_id'];
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}
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public function getPhotos(string $name, ?int $limit = null): array
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{
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// Get album
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$album = $this->albumsQuery->getIfAllowed($this->getUID(), $name);
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if (null === $album) {
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throw Exceptions::NotFound("album {$name}");
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}
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// Get files
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$id = (int) $album['album_id'];
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return $this->albumsQuery->getAlbumPhotos($id, $limit);
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}
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public function sortPhotosForPreview(array &$photos): void
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{
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// Do nothing, the photos are already sorted by added date desc
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}
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private function getUID(): string
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{
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return Util::isLoggedIn() ? Util::getUID() : '---';
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}
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}
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