mirror of
https://github.com/werkraum-media/events.git
synced 2024-11-10 08:36:09 +01:00
Daniel Siepmann
1f769939b4
Properly cleanup system. Delete further records when deleting everything. Also respect further records when purging old entries. Respect: * sys_category_record_mm * sys_file_reference * sys_file_metadata
137 lines
4.4 KiB
PHP
137 lines
4.4 KiB
PHP
<?php
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namespace Wrm\Events\Service\Cleanup;
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/*
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* Copyright (C) 2019 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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use TYPO3\CMS\Core\Database\Connection;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Database\Query\QueryBuilder;
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use TYPO3\CMS\Core\Resource\ResourceStorage;
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use TYPO3\CMS\Core\Resource\StorageRepository;
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class Files
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{
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/**
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* @var ConnectionPool
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*/
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private $connectionPool;
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/**
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* @var StorageRepository
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*/
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private $storageRepository;
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public function __construct(
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ConnectionPool $connectionPool,
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StorageRepository $storageRepository
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) {
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$this->connectionPool = $connectionPool;
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$this->storageRepository = $storageRepository;
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}
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public function deleteAll()
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{
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$this->delete($this->getFilesFromDb());
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}
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public function deleteDangling()
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{
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$this->delete($this->getFilesFromDb(function (QueryBuilder $queryBuilder) {
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$queryBuilder->leftJoin(
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'file',
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'sys_file_reference',
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'reference',
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$queryBuilder->expr()->eq('file.uid', $queryBuilder->quoteIdentifier('reference.uid_local'))
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);
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$queryBuilder->andWhere(
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$queryBuilder->expr()->orX(
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$queryBuilder->expr()->isNull('reference.uid'),
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$queryBuilder->expr()->eq('reference.deleted', 1),
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$queryBuilder->expr()->eq('reference.hidden', 1)
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)
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);
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}));
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}
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private function getFilesFromDb(callable $whereGenerator = null): array
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{
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$queryBuilder = $this->connectionPool->getQueryBuilderForTable('sys_file');
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$queryBuilder->getRestrictions()->removeAll();
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$queryBuilder->select('file.identifier', 'file.storage', 'file.uid')
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->from('sys_file', 'file')
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->where($queryBuilder->expr()->like(
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'file.identifier',
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$queryBuilder->createNamedParameter('/staedte/%/events/%')
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));
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if ($whereGenerator !== null) {
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$whereGenerator($queryBuilder);
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}
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return $queryBuilder->execute()->fetchAll();
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}
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private function delete(array $filesToDelete): void
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{
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$uidsToRemove = [];
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foreach ($filesToDelete as $fileToDelete) {
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$this->deleteFromFal($fileToDelete['storage'], $fileToDelete['identifier']);
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$uidsToRemove[] = $fileToDelete['uid'];
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}
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$this->deleteFromDb(...$uidsToRemove);
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}
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private function deleteFromFal(int $storageUid, string $filePath): void
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{
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$storage = $this->storageRepository->findByUid($storageUid);
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if ($storage->hasFile($filePath) === false) {
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return;
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}
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$storage->deleteFile($storage->getFile($filePath));
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}
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private function deleteFromDb(int ...$uids): void
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{
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$queryBuilder = $this->connectionPool->getQueryBuilderForTable('sys_file');
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$queryBuilder->delete('sys_file')
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->where('uid in (:uids)')
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->setParameter(':uids', $uids, Connection::PARAM_INT_ARRAY)
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->execute();
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$queryBuilder = $this->connectionPool->getQueryBuilderForTable('sys_file_reference');
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$queryBuilder->delete('sys_file_reference')
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->where('uid_local in (:uids)')
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->setParameter(':uids', $uids, Connection::PARAM_INT_ARRAY)
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->execute();
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$queryBuilder = $this->connectionPool->getQueryBuilderForTable('sys_file_metadata');
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$queryBuilder->delete('sys_file_metadata')
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->where('file in (:uids)')
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->setParameter(':uids', $uids, Connection::PARAM_INT_ARRAY)
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->execute();
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}
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}
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