events/Classes/Service/Cleanup/Files.php
Daniel Siepmann 208c0cfbfa Refactor code
Split large code base into separate classes.
Use Service as a controller, in order to define tasks to execute.
2019-09-19 12:11:21 +02:00

115 lines
3.8 KiB
PHP

<?php
namespace Wrm\Events\Service\Cleanup;
/*
* Copyright (C) 2019 Daniel Siepmann <coding@daniel-siepmann.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
use TYPO3\CMS\Core\Database\Connection;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Query\QueryBuilder;
use TYPO3\CMS\Core\Resource\ResourceStorage;
use TYPO3\CMS\Core\Resource\StorageRepository;
use TYPO3\CMS\Core\Utility\GeneralUtility;
class Files
{
public function deleteAll()
{
$this->delete($this->getFilesFromDb());
}
public function deleteDangling()
{
$this->delete($this->getFilesFromDb(function (QueryBuilder $queryBuilder) {
$queryBuilder->leftJoin(
'file',
'sys_file_reference',
'reference',
$queryBuilder->expr()->eq('file.uid', $queryBuilder->quoteIdentifier('reference.uid_local'))
);
$queryBuilder->andWhere(
$queryBuilder->expr()->orX(
$queryBuilder->expr()->isNull('reference.uid'),
$queryBuilder->expr()->eq('reference.deleted', 1),
$queryBuilder->expr()->eq('reference.hidden', 1)
)
);
}));
}
private function delete(array $filesToDelete)
{
$uidsToRemove = [];
foreach ($filesToDelete as $fileToDelete) {
$this->deleteFromFal($fileToDelete['storage'], $fileToDelete['identifier']);
$uidsToRemove[] = $fileToDelete['uid'];
}
$this->deleteFromDb(... $uidsToRemove);
}
private function getFilesFromDb(callable $whereGenerator = null): array
{
/* @var QueryBuilder $queryBuilder */
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
->getQueryBuilderForTable('sys_file');
$queryBuilder->getRestrictions()->removeAll();
$queryBuilder->select('file.identifier', 'file.storage', 'file.uid')
->from('sys_file', 'file')
->where($queryBuilder->expr()->like(
'file.identifier',
$queryBuilder->createNamedParameter('/staedte/%/events/%')
));
if ($whereGenerator !== null) {
$whereGenerator($queryBuilder);
}
return $queryBuilder->execute()->fetchAll();
}
private function deleteFromFal(int $storageUid, string $filePath)
{
/* @var ResourceStorage $storage */
$storage = GeneralUtility::makeInstance(StorageRepository::class)
->findByUid($storageUid);
if ($storage->hasFile($filePath) === false) {
return;
}
$storage->deleteFile($storage->getFile($filePath));
}
private function deleteFromDb(int ...$uids)
{
/* @var QueryBuilder $queryBuilder */
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
->getQueryBuilderForTable('sys_file');
$queryBuilder->delete('sys_file')
->where('uid in (:uids)')
->setParameter(':uids', $uids, Connection::PARAM_INT_ARRAY)
->execute();
}
}