FlexFormProcessor.php

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<?php
 
declare(strict_types=1);
 
/*
 * 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\Frontend\DataProcessing;
 
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Service\FlexFormService;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Frontend\ContentObject\ContentDataProcessor;
use ‪TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use ‪TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface;
use ‪TYPO3\CMS\Frontend\Resource\FileCollector;
 
class ‪FlexFormProcessor implements ‪DataProcessorInterface
{
    public function ‪process(
        ‪ContentObjectRenderer $cObj,
        array $contentObjectConfiguration,
        array $processorConfiguration,
        array $processedData
    ): array {
        // The field name to process
        $fieldName = $cObj->‪stdWrapValue('fieldName', $processorConfiguration, 'pi_flexform');
 
        if (!isset($processedData['data'][$fieldName])) {
            return $processedData;
        }
 
        // Process FlexForm
        $originalValue = $processedData['data'][$fieldName];
        if (!is_string($originalValue)) {
            return $processedData;
        }
        $flexFormData = GeneralUtility::makeInstance(FlexFormService::class)
            ->convertFlexFormContentToArray($originalValue);
 
        // Process FAL references
        if (isset($processorConfiguration['references.']) && is_array($processorConfiguration['references.'])) {
            $this->‪processFileReferences($cObj, $flexFormData, $processorConfiguration['references.']);
        }
 
        // Process additional DataProcessors
        if (isset($processorConfiguration['dataProcessing.']) && is_array($processorConfiguration['dataProcessing.'])) {
            // @todo: It looks as if data processors should retrieve the current request from the outside,
            //        this would avoid $cObj->getRequest() here.
            $flexFormData = $this->‪processAdditionalDataProcessors($flexFormData, $processorConfiguration, $cObj->‪getRequest());
        }
 
        // Set the target variable
        $targetVariableName = $cObj->‪stdWrapValue('as', $processorConfiguration, 'flexFormData');
        $processedData[$targetVariableName] = $flexFormData;
 
        return $processedData;
    }
 
    protected function ‪processFileReferences(‪ContentObjectRenderer $cObj, array &$data, array ‪$fields): void
    {
        foreach (‪$fields as $key => $field) {
            $key = rtrim($key, '.');
 
            if (!isset($data[$key])) {
                continue;
            }
            if (is_array($field)) {
                $this->‪processFileReferences($cObj, $data[$key], $field);
            } else {
                $fileCollector = GeneralUtility::makeInstance(FileCollector::class);
                $fileCollector->addFilesFromRelation($cObj->‪getCurrentTable(), $field, $cObj->data);
 
                $data[$key] = $fileCollector->getFiles();
            }
        }
    }
 
    protected function ‪processAdditionalDataProcessors(array $data, array $processorConfiguration, ServerRequestInterface $request): array
    {
        $contentObjectRenderer = GeneralUtility::makeInstance(ContentObjectRenderer::class);
        $contentObjectRenderer->setRequest($request);
        $contentObjectRenderer->start([$data], '');
        return GeneralUtility::makeInstance(ContentDataProcessor::class)->process(
            $contentObjectRenderer,
            $processorConfiguration,
            $data
        );
    }
}