DeleteUploadsFinisher.php

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<?php
declare(strict_types = 1);
namespace ‪TYPO3\CMS\Form\Domain\Finishers;
 
/*
 * 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!
 */
 
use ‪TYPO3\CMS\Core\Resource\Folder;
use ‪TYPO3\CMS\Extbase\Domain\Model\FileReference;
use ‪TYPO3\CMS\Form\Domain\Model\FormElements\FileUpload;
 
class ‪DeleteUploadsFinisher extends ‪AbstractFinisher
{
 
    protected function ‪executeInternal()
    {
        $formRuntime = $this->finisherContext->getFormRuntime();
 
        $uploadFolders = [];
        $elements = $formRuntime->getFormDefinition()->getRenderablesRecursively();
        foreach ($elements as $element) {
            if (!$element instanceof ‪FileUpload) {
                continue;
            }
            $file = $formRuntime[$element->getIdentifier()];
            if (!$file) {
                continue;
            }
 
            if ($file instanceof ‪FileReference) {
                $file = $file->getOriginalResource();
            }
 
            $folder = $file->getParentFolder();
            $uploadFolders[$folder->getCombinedIdentifier()] = $folder;
 
            $file->getStorage()->deleteFile($file->getOriginalFile());
        }
 
        $this->‪deleteEmptyUploadFolders($uploadFolders);
    }
 
    protected function ‪deleteEmptyUploadFolders(array $folders): void
    {
        foreach ($folders as $folder) {
            if ($this->‪isEmptyFolder($folder)) {
                $folder->delete();
            }
        }
    }
 
    protected function ‪isEmptyFolder(‪Folder $folder): bool
    {
        return $folder->‪getFileCount() === 0
            && $folder->‪getStorage()->‪countFoldersInFolder($folder) === 0;
    }
}