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