FileDeletionAspect.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Resource\Processing;
 
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Resource\Event\AfterFileAddedEvent;
use ‪TYPO3\CMS\Core\Resource\Event\AfterFileDeletedEvent;
use ‪TYPO3\CMS\Core\Resource\Event\AfterFileReplacedEvent;
use ‪TYPO3\CMS\Core\Resource\File;
use ‪TYPO3\CMS\Core\Resource\FileInterface;
use ‪TYPO3\CMS\Core\Resource\Index\FileIndexRepository;
use ‪TYPO3\CMS\Core\Resource\Index\MetaDataRepository;
use ‪TYPO3\CMS\Core\Resource\ProcessedFile;
use ‪TYPO3\CMS\Core\Resource\ProcessedFileRepository;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
final class ‪FileDeletionAspect
{
    public function ‪cleanupProcessedFilesPostFileAdd(‪AfterFileAddedEvent $event): void
    {
        $this->‪cleanupProcessedFiles($event->‪getFile());
    }
 
    public function ‪cleanupProcessedFilesPostFileReplace(‪AfterFileReplacedEvent $event): void
    {
        $this->‪cleanupProcessedFiles($event->‪getFile());
    }
 
    public function ‪removeFromRepositoryAfterFileDeleted(‪AfterFileDeletedEvent $event): void
    {
        $this->‪removeFromRepository($event->‪getFile());
    }
 
    private function ‪removeFromRepository(‪FileInterface $fileObject)
    {
        // remove file from repository
        if ($fileObject instanceof ‪File) {
            $this->‪cleanupProcessedFiles($fileObject);
            $this->‪cleanupCategoryReferences($fileObject);
            $this->‪getFileIndexRepository()->remove($fileObject->getUid());
            $this->‪getMetaDataRepository()->removeByFileUid($fileObject->getUid());
 
            // remove all references
            GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('sys_file_reference')
                ->delete(
                    'sys_file_reference',
                    [
                        'uid_local' => (int)$fileObject->getUid(),
                        'table_local' => 'sys_file'
                    ]
                );
        } elseif ($fileObject instanceof ‪ProcessedFile) {
            GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('sys_file_processedfile')
                ->delete(
                    'sys_file_processedfile',
                    [
                        'uid' => (int)$fileObject->getUid()
                    ]
                );
        }
    }
 
    private function ‪cleanupCategoryReferences(‪File $fileObject)
    {
        // Retrieve the file metadata uid which is different from the file uid.
        $metadataProperties = $fileObject->‪getMetaData()->‪get();
        $metaDataUid = $metadataProperties['_ORIG_uid'] ?? $metadataProperties['uid'];
 
        GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('sys_category_record_mm')
            ->delete(
                'sys_category_record_mm',
                [
                    'uid_foreign' => (int)$metaDataUid,
                    'tablenames' => 'sys_file_metadata'
                ]
            );
    }
 
    private function ‪cleanupProcessedFiles(‪FileInterface $fileObject)
    {
        // only delete processed files of File objects
        if (!$fileObject instanceof ‪File) {
            return;
        }
 
        foreach ($this->‪getProcessedFileRepository()->findAllByOriginalFile($fileObject) as $processedFile) {
            if ($processedFile->exists()) {
                $processedFile->delete(true);
            }
            $this->‪removeFromRepository($processedFile);
        }
    }
 
    private function ‪getFileIndexRepository(): ‪FileIndexRepository
    {
        return GeneralUtility::makeInstance(FileIndexRepository::class);
    }
 
    private function ‪getMetaDataRepository(): ‪MetaDataRepository
    {
        return GeneralUtility::makeInstance(MetaDataRepository::class);
    }
 
    private function ‪getProcessedFileRepository(): ‪ProcessedFileRepository
    {
        return GeneralUtility::makeInstance(ProcessedFileRepository::class);
    }
}