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- <?php
- declare(strict_types=1);
- /**
- * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
- namespace OC\Files\Cache;
- use OC\DB\QueryBuilder\ExtendedQueryBuilder;
- use OCP\DB\QueryBuilder\IQueryBuilder;
- use OCP\FilesMetadata\IFilesMetadataManager;
- use OCP\FilesMetadata\IMetadataQuery;
- /**
- * Query builder with commonly used helpers for filecache queries
- */
- class CacheQueryBuilder extends ExtendedQueryBuilder {
- private ?string $alias = null;
- public function __construct(
- IQueryBuilder $queryBuilder,
- private IFilesMetadataManager $filesMetadataManager,
- ) {
- parent::__construct($queryBuilder);
- }
- public function selectTagUsage(): self {
- $this
- ->select('systemtag.name', 'systemtag.id', 'systemtag.visibility', 'systemtag.editable', 'systemtag.etag')
- ->selectAlias($this->createFunction('COUNT(filecache.fileid)'), 'number_files')
- ->selectAlias($this->createFunction('MAX(filecache.fileid)'), 'ref_file_id')
- ->from('filecache', 'filecache')
- ->leftJoin('filecache', 'systemtag_object_mapping', 'systemtagmap', $this->expr()->andX(
- $this->expr()->eq('filecache.fileid', $this->expr()->castColumn('systemtagmap.objectid', IQueryBuilder::PARAM_INT)),
- $this->expr()->eq('systemtagmap.objecttype', $this->createNamedParameter('files'))
- ))
- ->leftJoin('systemtagmap', 'systemtag', 'systemtag', $this->expr()->andX(
- $this->expr()->eq('systemtag.id', 'systemtagmap.systemtagid'),
- $this->expr()->eq('systemtag.visibility', $this->createNamedParameter(true))
- ))
- ->groupBy('systemtag.name', 'systemtag.id', 'systemtag.visibility', 'systemtag.editable');
- return $this;
- }
- public function selectFileCache(?string $alias = null, bool $joinExtendedCache = true) {
- $name = $alias ?: 'filecache';
- $this->select("$name.fileid", 'storage', 'path', 'path_hash', "$name.parent", "$name.name", 'mimetype', 'mimepart', 'size', 'mtime',
- 'storage_mtime', 'encrypted', "$name.etag", "$name.permissions", 'checksum', 'unencrypted_size')
- ->from('filecache', $name);
- if ($joinExtendedCache) {
- $this->addSelect('metadata_etag', 'creation_time', 'upload_time');
- $this->leftJoin($name, 'filecache_extended', 'fe', $this->expr()->eq("$name.fileid", 'fe.fileid'));
- }
- $this->alias = $name;
- return $this;
- }
- public function whereStorageId(int $storageId) {
- $this->andWhere($this->expr()->eq('storage', $this->createNamedParameter($storageId, IQueryBuilder::PARAM_INT)));
- return $this;
- }
- public function whereFileId(int $fileId) {
- $alias = $this->alias;
- if ($alias) {
- $alias .= '.';
- } else {
- $alias = '';
- }
- $this->andWhere($this->expr()->eq("{$alias}fileid", $this->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
- return $this;
- }
- public function wherePath(string $path) {
- $this->andWhere($this->expr()->eq('path_hash', $this->createNamedParameter(md5($path))));
- return $this;
- }
- public function whereParent(int $parent) {
- $alias = $this->alias;
- if ($alias) {
- $alias .= '.';
- } else {
- $alias = '';
- }
- $this->andWhere($this->expr()->eq("{$alias}parent", $this->createNamedParameter($parent, IQueryBuilder::PARAM_INT)));
- return $this;
- }
- public function whereParentInParameter(string $parameter) {
- $alias = $this->alias;
- if ($alias) {
- $alias .= '.';
- } else {
- $alias = '';
- }
- $this->andWhere($this->expr()->in("{$alias}parent", $this->createParameter($parameter)));
- return $this;
- }
- /**
- * join metadata to current query builder and returns an helper
- *
- * @return IMetadataQuery
- */
- public function selectMetadata(): IMetadataQuery {
- $metadataQuery = $this->filesMetadataManager->getMetadataQuery($this, $this->alias, 'fileid');
- $metadataQuery->retrieveMetadata();
- return $metadataQuery;
- }
- }
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