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96 lines
2.9 KiB
PHP
96 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\Preview\Db;
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use OCP\AppFramework\Db\DoesNotExistException;
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use OCP\AppFramework\Db\QBMapper;
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use OCP\DB\Exception;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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use OCP\IPreview;
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/**
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* @template-extends QBMapper<Preview>
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*/
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class PreviewMapper extends QBMapper {
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private const TABLE_NAME = 'previews';
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public function __construct(IDBConnection $db) {
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parent::__construct($db, self::TABLE_NAME, Preview::class);
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}
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/**
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* @param int[] $fileIds
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* @return array<int, Preview[]>
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* @throws Exception
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*/
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public function getAvailablePreviews(array $fileIds): array {
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$selectQb = $this->db->getQueryBuilder();
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$selectQb->select('*')
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->from(self::TABLE_NAME)
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->where(
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$selectQb->expr()->in('file_id', $selectQb->createNamedParameter($fileIds, IQueryBuilder::PARAM_INT_ARRAY)),
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);
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$previews = array_fill_keys($fileIds, []);
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foreach ($this->yieldEntities($selectQb) as $preview) {
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$previews[$preview->getFileId()][] = $preview;
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}
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return $previews;
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}
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public function getPreview(int $fileId, int $width, int $height, string $mode, int $mimetype = IPreview::MIMETYPE_JPEG): ?Preview {
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$selectQb = $this->db->getQueryBuilder();
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$selectQb->select('*')
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->from(self::TABLE_NAME)
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->where(
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$selectQb->expr()->eq('file_id', $selectQb->createNamedParameter($fileId)),
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$selectQb->expr()->eq('width', $selectQb->createNamedParameter($width)),
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$selectQb->expr()->eq('height', $selectQb->createNamedParameter($height)),
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$selectQb->expr()->eq('mode', $selectQb->createNamedParameter($mode)),
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$selectQb->expr()->eq('mimetype', $selectQb->createNamedParameter($mimetype)),
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);
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try {
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return $this->findEntity($selectQb);
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} catch (DoesNotExistException) {
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return null;
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}
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}
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/**
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* @param int[] $fileIds
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* @return array<int, Preview[]>
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*/
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public function getByFileIds(int $storageId, array $fileIds): array {
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$selectQb = $this->db->getQueryBuilder();
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$selectQb->select('*')
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->from(self::TABLE_NAME)
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->where($selectQb->expr()->andX(
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$selectQb->expr()->in('file_id', $selectQb->createNamedParameter($fileIds, IQueryBuilder::PARAM_INT_ARRAY)),
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));
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$previews = array_fill_keys($fileIds, []);
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foreach ($this->yieldEntities($selectQb) as $preview) {
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$previews[$preview->getFileId()][] = $preview;
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}
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return $previews;
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}
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/**
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* @param int[] $previewIds
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*/
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public function deleteByIds(int $storageId, array $previewIds): void {
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$qb = $this->db->getQueryBuilder();
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$qb->delete(self::TABLE_NAME)
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->where($qb->expr()->andX(
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$qb->expr()->eq('storage_id', $qb->createNamedParameter($storageId, IQueryBuilder::PARAM_INT)),
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$qb->expr()->in('id', $qb->createNamedParameter($previewIds, IQueryBuilder::PARAM_INT_ARRAY))
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))->executeStatement();
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}
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}
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