DeleteFileViewHelper.php

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<?php
namespace TYPO3\CMS\Filelist\ViewHelpers\Uri;

/*
 * 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 Closure;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;

class DeleteFileViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper
{
    use CompileWithRenderStatic;

    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerArgument('file', \TYPO3\CMS\Core\Resource\AbstractFile::class, '', true);
        $this->registerArgument('returnUrl', 'string', '', false, '');
    }

    public static function renderStatic(array $arguments, Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        if (empty($arguments['returnUrl'])) {
            $arguments['returnUrl'] = GeneralUtility::getIndpEnv('REQUEST_URI');
        }

        $file = $arguments['file'];

        $params = [
            'file' => [
                'delete' => [
                    0 => [
                        'data' => $file->getCombinedIdentifier()
                    ]
                ]
            ],
            'redirect' => $arguments['returnUrl']
        ];

        return BackendUtility::getModuleUrl('tce_file', $params);
    }
}