mirror of
https://github.com/werkraum-media/events.git
synced 2024-11-10 06:56:10 +01:00
273 lines
9.2 KiB
PHP
273 lines
9.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace WerkraumMedia\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 PDO;
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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\Resource\StorageRepository;
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final class Files
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{
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public function __construct(
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private readonly ConnectionPool $connectionPool,
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private readonly StorageRepository $storageRepository
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) {
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}
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public function deleteDangling(): void
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{
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$this->markFileReferencesDeletedIfForeignRecordIsMissing();
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$this->deleteFilesWithoutProperReference();
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}
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private function markFileReferencesDeletedIfForeignRecordIsMissing(): void
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{
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$referencesQuery = $this->connectionPool
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->getQueryBuilderForTable('sys_file_reference')
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;
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$referencesQuery->getRestrictions()->removeAll();
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$referencesQuery->select(
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'uid',
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'uid_foreign',
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'tablenames'
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);
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$referencesQuery->from('sys_file_reference');
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$referencesQuery->where(
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$referencesQuery->expr()->like(
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'tablenames',
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$referencesQuery->createNamedParameter('tx_events_domain_model_%')
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)
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);
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// Remove file relations removed via import
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$referencesQuery->orWhere(
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$referencesQuery->expr()->and(
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$referencesQuery->expr()->eq(
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'tablenames',
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$referencesQuery->createNamedParameter('')
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),
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$referencesQuery->expr()->eq(
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'fieldname',
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$referencesQuery->createNamedParameter('')
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),
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$referencesQuery->expr()->eq(
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'sorting_foreign',
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$referencesQuery->createNamedParameter('0')
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),
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$referencesQuery->expr()->eq(
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'uid_foreign',
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$referencesQuery->createNamedParameter('0')
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)
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)
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);
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$referencesQuery->orderBy('tablenames');
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$referencesQuery->addOrderBy('uid_foreign');
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$references = $referencesQuery->executeQuery();
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$uidsPerTable = [];
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$referenceUidsToMarkAsDeleted = [];
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while ($reference = $references->fetch()) {
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if (is_array($reference) === false) {
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continue;
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}
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if ($reference['tablenames'] === '') {
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$referenceUidsToMarkAsDeleted[] = $reference['uid'];
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continue;
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}
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$uidsPerTable[(string)$reference['tablenames']][$reference['uid']] = $reference['uid_foreign'];
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}
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foreach ($uidsPerTable as $tableName => $records) {
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$queryBuilder = $this->connectionPool->getQueryBuilderForTable($tableName);
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$queryBuilder->getRestrictions()->removeAll();
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$queryBuilder->select('uid');
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$queryBuilder->from($tableName);
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$queryBuilder->where($queryBuilder->expr()->in('uid', $records));
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$referenceUidsToMarkAsDeleted = [
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...$referenceUidsToMarkAsDeleted,
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...array_keys(array_diff(
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$records,
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$queryBuilder->executeQuery()->fetchAll(PDO::FETCH_COLUMN)
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)),
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];
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}
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if ($referenceUidsToMarkAsDeleted === []) {
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return;
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}
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$updateQuery = $this->connectionPool->getQueryBuilderForTable('sys_file_reference');
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$updateQuery->update('sys_file_reference');
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$updateQuery->where($updateQuery->expr()->in('uid', $referenceUidsToMarkAsDeleted));
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$updateQuery->set('deleted', '1');
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$updateQuery->executeStatement();
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}
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private function deleteFilesWithoutProperReference(): void
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{
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$filesToDelete = $this->filterPotentialFilesToDelete($this->getPotentialFilesToDelete());
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foreach ($filesToDelete as $file) {
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$this->deleteFromFal((int)$file['storage'], (string)$file['identifier']);
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}
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$this->deleteFromDb(...array_keys($filesToDelete));
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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 === null || $storage->hasFile($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', $uids, Connection::PARAM_INT_ARRAY)
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->executeStatement()
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;
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$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', $uids, Connection::PARAM_INT_ARRAY)
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->executeStatement()
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;
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$this->deleteReferences();
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}
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private function deleteReferences(): void
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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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$queryBuilder
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->delete('sys_file_reference')
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->where(
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$queryBuilder->expr()->or(
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$queryBuilder->expr()->like(
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'tablenames',
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$queryBuilder->createNamedParameter('tx_events_domain_model_%')
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),
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$queryBuilder->expr()->eq(
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'tablenames',
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$queryBuilder->createNamedParameter('')
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)
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)
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)
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->andWhere($queryBuilder->expr()->eq(
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'deleted',
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1
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))
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;
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$queryBuilder->executeStatement();
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}
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/**
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* @return array<int, array{storage: int, identifier: string}> Index is file uid.
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*/
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private function getPotentialFilesToDelete(): 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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$queryBuilder
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->select('file.uid', 'file.storage', 'file.identifier')
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->from('sys_file', 'file')
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->leftJoin(
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'file',
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'sys_file_reference',
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'reference',
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'reference.uid_local = file.uid'
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)
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->where($queryBuilder->expr()->like(
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'reference.tablenames',
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$queryBuilder->createNamedParameter('tx_events_domain_model_%')
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))
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->orWhere($queryBuilder->expr()->eq(
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'reference.tablenames',
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$queryBuilder->createNamedParameter('')
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))
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->groupBy('file.uid')
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;
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return $queryBuilder->executeQuery()->fetchAllAssociativeIndexed();
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}
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/**
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* @param array<int, array{storage: int, identifier: string}> $files
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*
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* @return array<int, array{storage: int, identifier: string}> Index is file uid.
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*/
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private function filterPotentialFilesToDelete(array $files): array
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{
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$filesToDelete = [];
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$filesToKeep = [];
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$queryBuilder = $this->connectionPool->getQueryBuilderForTable('sys_file');
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$queryBuilder->getRestrictions()->removeAll();
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$queryBuilder
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->select('*')
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->from('sys_file_reference', 'reference')
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->where($queryBuilder->expr()->in(
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'uid_local',
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$queryBuilder->createNamedParameter(array_keys($files), Connection::PARAM_INT_ARRAY)
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))
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;
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foreach ($queryBuilder->executeQuery()->iterateAssociative() as $reference) {
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$file = [];
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$fileUid = (int)$reference['uid_local'];
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if (
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(
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str_starts_with((string)$reference['tablenames'], 'tx_events_domain_model_')
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|| $reference['tablenames'] === ''
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) && $reference['deleted'] == 1
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) {
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$file = $files[$fileUid] ?? [];
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} else {
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$filesToKeep[$fileUid] = $fileUid;
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}
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if ($file === []) {
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continue;
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}
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$filesToDelete[$fileUid] = $file;
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}
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return array_diff_key($filesToDelete, $filesToKeep);
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}
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}
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