FormFrontendController.php

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<?php
declare(strict_types = 1);
namespace ‪TYPO3\CMS\Form\Controller;
 
/*
 * 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\Configuration\FlexForm\FlexFormTools;
use ‪TYPO3\CMS\Core\Service\FlexFormService;
use ‪TYPO3\CMS\Core\Utility\ArrayUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use ‪TYPO3\CMS\Form\Domain\Configuration\ArrayProcessing\ArrayProcessing;
use ‪TYPO3\CMS\Form\Domain\Configuration\ArrayProcessing\ArrayProcessor;
use ‪TYPO3\CMS\Form\Domain\Configuration\ConfigurationService;
use ‪TYPO3\CMS\Form\Domain\Configuration\FormDefinition\Converters\FinisherOptionsFlexFormOverridesConverter;
use ‪TYPO3\CMS\Form\Domain\Configuration\FormDefinition\Converters\FlexFormFinisherOverridesConverterDto;
use ‪TYPO3\CMS\Form\Mvc\Configuration\TypoScriptService;
 
class ‪FormFrontendController extends ‪ActionController
{
 
    protected ‪$formPersistenceManager;
 
    public function ‪injectFormPersistenceManager(\‪TYPO3\CMS\Form\Mvc\Persistence\FormPersistenceManagerInterface ‪$formPersistenceManager)
    {
        $this->formPersistenceManager = ‪$formPersistenceManager;
    }
 
    public function ‪renderAction()
    {
        $formDefinition = [];
        if (!empty($this->settings['persistenceIdentifier'])) {
            $formDefinition = $this->formPersistenceManager->load($this->settings['persistenceIdentifier']);
            $formDefinition['persistenceIdentifier'] = $this->settings['persistenceIdentifier'];
            $formDefinition = $this->‪overrideByTypoScriptSettings($formDefinition);
            $formDefinition = $this->‪overrideByFlexFormSettings($formDefinition);
            $formDefinition = ‪ArrayUtility::setValueByPath($formDefinition, 'renderingOptions._originalIdentifier', $formDefinition['identifier'], '.');
            $formDefinition['identifier'] .= '-' . $this->configurationManager->getContentObject()->data['uid'];
        }
        $this->view->assign('formConfiguration', $formDefinition);
    }
 
    public function ‪performAction()
    {
        $this->‪forward('render');
    }
 
    protected function ‪overrideByFlexFormSettings(array $formDefinition): array
    {
        $flexFormData = GeneralUtility::xml2array($this->configurationManager->getContentObject()->data['pi_flexform'] ?? '');
 
        if (!is_array($flexFormData)) {
            return $formDefinition;
        }
 
        if (isset($formDefinition['finishers'])) {
            $prototypeName = $formDefinition['prototypeName'] ?? 'standard';
            $configurationService = $this->objectManager->get(ConfigurationService::class);
            $prototypeConfiguration = $configurationService->getPrototypeConfiguration($prototypeName);
 
            foreach ($formDefinition['finishers'] as $index => $formFinisherDefinition) {
                $finisherIdentifier = $formFinisherDefinition['identifier'];
 
                $sheetIdentifier = $this->‪getFlexformSheetIdentifier($formDefinition, $prototypeName, $finisherIdentifier);
                $flexFormSheetSettings = $this->‪getFlexFormSettingsFromSheet($flexFormData, $sheetIdentifier);
 
                if ($this->settings['overrideFinishers'] && isset($flexFormSheetSettings['finishers'][$finisherIdentifier])) {
                    $prototypeFinisherDefinition = $prototypeConfiguration['finishersDefinition'][$finisherIdentifier] ?? [];
                    $converterDto = GeneralUtility::makeInstance(
                        FlexFormFinisherOverridesConverterDto::class,
                        $formFinisherDefinition,
                        $finisherIdentifier,
                        $flexFormSheetSettings
                    );
 
                    // Iterate over all `TYPO3.CMS.Form.prototypes.<prototypeName>.finishersDefinition.<finisherIdentifier>.FormEngine.elements` values
                    GeneralUtility::makeInstance(ArrayProcessor::class, $prototypeFinisherDefinition['FormEngine']['elements'])->forEach(
                        GeneralUtility::makeInstance(
                            ArrayProcessing::class,
                            'modifyFinisherOptionsFromFlexFormOverrides',
                            '^(.*)\.config\.type$',
                            GeneralUtility::makeInstance(FinisherOptionsFlexFormOverridesConverter::class, $converterDto)
                        )
                    );
 
                    $formDefinition['finishers'][$index] = $converterDto->getFinisherDefinition();
                }
            }
        }
        return $formDefinition;
    }
 
    protected function ‪overrideByTypoScriptSettings(array $formDefinition): array
    {
        if (
            isset($this->settings['formDefinitionOverrides'][$formDefinition['identifier']])
            && !empty($this->settings['formDefinitionOverrides'][$formDefinition['identifier']])
        ) {
            ‪ArrayUtility::mergeRecursiveWithOverrule(
                $formDefinition,
                $this->settings['formDefinitionOverrides'][$formDefinition['identifier']]
            );
            $formDefinition = $this->objectManager->get(TypoScriptService::class)
                ->resolvePossibleTypoScriptConfiguration($formDefinition);
        }
        return $formDefinition;
    }
 
    protected function ‪getFlexformSheetIdentifier(
        array $formDefinition,
        string $prototypeName,
        string $finisherIdentifier
    ): string {
        return md5(
            implode('', [
                $formDefinition['persistenceIdentifier'],
                $prototypeName,
                $formDefinition['identifier'],
                $finisherIdentifier
            ])
        );
    }
 
    protected function ‪getFlexFormSettingsFromSheet(
        array $flexForm,
        string $sheetIdentifier
    ): array {
        $sheetData['data'] = array_filter(
            $flexForm['data'] ?? [],
            function ($key) use ($sheetIdentifier) {
                return $key === $sheetIdentifier;
            },
            ARRAY_FILTER_USE_KEY
        );
 
        if (empty($sheetData['data'])) {
            return [];
        }
 
        $flexFormService = GeneralUtility::makeInstance(FlexFormService::class);
        $flexFormTools = GeneralUtility::makeInstance(FlexFormTools::class);
 
        $sheetDataXml = $flexFormTools->flexArray2Xml($sheetData);
        return $flexFormService->convertFlexFormContentToArray($sheetDataXml)['settings'] ?? [];
    }
}