FormEditorController.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\Form\Controller;
 
use Psr\Http\Message\ResponseInterface;
use ‪TYPO3\CMS\Backend\Routing\UriBuilder;
use ‪TYPO3\CMS\Backend\Template\Components\ButtonBar;
use ‪TYPO3\CMS\Backend\Template\ModuleTemplate;
use ‪TYPO3\CMS\Backend\Template\ModuleTemplateFactory;
use ‪TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use ‪TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Imaging\IconSize;
use ‪TYPO3\CMS\Core\Localization\LanguageService;
use ‪TYPO3\CMS\Core\Page\JavaScriptModuleInstruction;
use ‪TYPO3\CMS\Core\Page\PageRenderer;
use ‪TYPO3\CMS\Core\Site\Entity\Site;
use ‪TYPO3\CMS\Core\Site\Entity\SiteLanguage;
use ‪TYPO3\CMS\Core\Utility\ArrayUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\PathUtility;
use ‪TYPO3\CMS\Extbase\Mvc\RequestInterface;
use ‪TYPO3\CMS\Extbase\Mvc\View\JsonView;
use ‪TYPO3\CMS\Fluid\View\TemplateView;
use ‪TYPO3\CMS\Form\Domain\Configuration\ConfigurationService;
use ‪TYPO3\CMS\Form\Domain\Configuration\FormDefinitionConversionService;
use ‪TYPO3\CMS\Form\Domain\Exception\RenderingException;
use ‪TYPO3\CMS\Form\Domain\Factory\ArrayFormFactory;
use ‪TYPO3\CMS\Form\Exception;
use ‪TYPO3\CMS\Form\Mvc\Persistence\Exception\PersistenceManagerException;
use ‪TYPO3\CMS\Form\Service\TranslationService;
use ‪TYPO3\CMS\Form\Type\FormDefinitionArray;
 
class ‪FormEditorController extends ‪AbstractBackendController
{
    protected const ‪JS_MODULE_NAMES = ['app', 'mediator', 'viewModel'];
 
    protected array ‪$prototypeConfiguration;
 
    public function ‪__construct(
        protected readonly ‪ModuleTemplateFactory $moduleTemplateFactory,
        protected readonly ‪PageRenderer $pageRenderer,
        protected readonly ‪IconFactory $iconFactory,
        protected readonly ‪FormDefinitionConversionService $formDefinitionConversionService,
    ) {}
 
    public function ‪indexAction(string $formPersistenceIdentifier, string $prototypeName = null): ResponseInterface
    {
        if (!$this->formPersistenceManager->isAllowedPersistencePath($formPersistenceIdentifier)) {
            throw new ‪PersistenceManagerException(sprintf('Read "%s" is not allowed', $formPersistenceIdentifier), 1614500662);
        }
 
        if (
            ‪PathUtility::isExtensionPath($formPersistenceIdentifier)
            && !$this->formSettings['persistenceManager']['allowSaveToExtensionPaths']
        ) {
            throw new ‪PersistenceManagerException('Edit an extension formDefinition is not allowed.', 1478265661);
        }
 
        $configurationService = GeneralUtility::makeInstance(ConfigurationService::class);
        $formDefinition = $this->formPersistenceManager->load($formPersistenceIdentifier);
 
        if ($prototypeName === null) {
            $prototypeName = $formDefinition['prototypeName'] ?? 'standard';
        } else {
            // Loading a form definition with another prototype is currently not implemented but is planned in the future.
            // This safety check is a preventive measure.
            $selectablePrototypeNames = $configurationService->getSelectablePrototypeNamesDefinedInFormEditorSetup();
            if (!in_array($prototypeName, $selectablePrototypeNames, true)) {
                throw new ‪Exception(sprintf('The prototype name "%s" is not configured within "formManager.selectablePrototypesConfiguration" ', $prototypeName), 1528625039);
            }
        }
 
        $formDefinition['prototypeName'] = $prototypeName;
        $this->prototypeConfiguration = $configurationService->getPrototypeConfiguration($prototypeName);
 
        $formDefinition = $this->‪transformFormDefinitionForFormEditor($formDefinition);
        $formEditorDefinitions = $this->‪getFormEditorDefinitions();
 
        $additionalViewModelJavaScriptModules = array_map(
            static fn(string $name) => ‪JavaScriptModuleInstruction::create($name),
            $this->prototypeConfiguration['formEditor']['dynamicJavaScriptModules']['additionalViewModelModules'] ?? []
        );
        array_map($this->pageRenderer->getJavaScriptRenderer()->addJavaScriptModuleInstruction(...), $additionalViewModelJavaScriptModules);
        $formEditorAppInitialData = [
            'formEditorDefinitions' => $formEditorDefinitions,
            'formDefinition' => $formDefinition,
            'formPersistenceIdentifier' => $formPersistenceIdentifier,
            'prototypeName' => $prototypeName,
            'endpoints' => [
                'formPageRenderer' => $this->uriBuilder->uriFor('renderFormPage'),
                'saveForm' => $this->uriBuilder->uriFor('saveForm'),
            ],
            'additionalViewModelModules' => $additionalViewModelJavaScriptModules,
            'maximumUndoSteps' => $this->prototypeConfiguration['formEditor']['maximumUndoSteps'],
        ];
 
        $moduleTemplate = $this->‪initializeModuleTemplate($this->request);
        $moduleTemplate->assign('formEditorTemplates', $this->‪renderFormEditorTemplates($formEditorDefinitions));
 
        ‪$uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
        $addInlineSettings = [
            'FormEditor' => [
                'typo3WinBrowserUrl' => (string)‪$uriBuilder->buildUriFromRoute('wizard_element_browser'),
            ],
        ];
 
        $addInlineSettings = array_replace_recursive(
            $addInlineSettings,
            $this->prototypeConfiguration['formEditor']['addInlineSettings']
        );
 
        if (json_encode($formEditorAppInitialData) === false) {
            throw new ‪Exception('The form editor app data could not be encoded', 1628677079);
        }
 
        $javaScriptModules = array_map(
            static fn(string $name) => ‪JavaScriptModuleInstruction::create($name),
            array_filter(
                $this->prototypeConfiguration['formEditor']['dynamicJavaScriptModules'] ?? [],
                fn(string $name) => in_array($name, self::JS_MODULE_NAMES, true),
                ARRAY_FILTER_USE_KEY
            )
        );
        $pageRenderer = $this->pageRenderer;
        $pageRenderer->getJavaScriptRenderer()->addJavaScriptModuleInstruction(
            ‪JavaScriptModuleInstruction::create('@typo3/form/backend/helper.js', 'Helper')
                ->invoke('dispatchFormEditor', $javaScriptModules, $formEditorAppInitialData)
        );
        array_map($pageRenderer->getJavaScriptRenderer()->addJavaScriptModuleInstruction(...), $javaScriptModules);
        $pageRenderer->addInlineSettingArray(null, $addInlineSettings);
        $pageRenderer->addInlineLanguageLabelFile('EXT:form/Resources/Private/Language/locallang_formEditor_failSafeErrorHandling_javascript.xlf');
        $stylesheets = $this->prototypeConfiguration['formEditor']['stylesheets'];
        foreach ($stylesheets as $stylesheet) {
            $pageRenderer->addCssFile($stylesheet);
        }
 
        $moduleTemplate->setModuleClass($this->request->getPluginName() . '_' . $this->request->getControllerName());
        $moduleTemplate->setFlashMessageQueue($this->‪getFlashMessageQueue());
        $moduleTemplate->setTitle(
            $this->‪getLanguageService()->sL('LLL:EXT:form/Resources/Private/Language/locallang_module.xlf:mlang_tabs_tab'),
            $formDefinition['label']
        );
        return $moduleTemplate->renderResponse('Backend/FormEditor/Index');
    }
 
    public function ‪initializeSaveFormAction(): void
    {
        $this->defaultViewObjectName = JsonView::class;
    }
 
    public function ‪saveFormAction(string $formPersistenceIdentifier, ‪FormDefinitionArray $formDefinition): ResponseInterface
    {
        $formDefinition = $formDefinition->getArrayCopy();
 
        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/form']['beforeFormSave'] ?? [] as $className) {
            $hookObj = GeneralUtility::makeInstance($className);
            if (method_exists($hookObj, 'beforeFormSave')) {
                $formDefinition = $hookObj->beforeFormSave(
                    $formPersistenceIdentifier,
                    $formDefinition
                );
            }
        }
 
        $response = [
            'status' => 'success',
        ];
 
        try {
            if (!$this->formPersistenceManager->isAllowedPersistencePath($formPersistenceIdentifier)) {
                throw new ‪PersistenceManagerException(sprintf('Save "%s" is not allowed', $formPersistenceIdentifier), 1614500663);
            }
            $this->formPersistenceManager->save($formPersistenceIdentifier, $formDefinition);
            $configurationService = GeneralUtility::makeInstance(ConfigurationService::class);
            $this->prototypeConfiguration = $configurationService->getPrototypeConfiguration($formDefinition['prototypeName']);
            $formDefinition = $this->‪transformFormDefinitionForFormEditor($formDefinition);
            $response['formDefinition'] = $formDefinition;
        } catch (‪PersistenceManagerException $e) {
            $response = [
                'status' => 'error',
                'message' => $e->getMessage(),
                'code' => $e->getCode(),
            ];
        }
 
        $this->view->assign('response', $response);
        // saveFormAction uses the extbase JsonView::class.
        // That's why we have to set the view variables in this way.
        $this->view->setVariablesToRender([
            'response',
        ]);
 
        return $this->‪jsonResponse();
    }
 
    public function ‪renderFormPageAction(
        ‪FormDefinitionArray $formDefinition,
        int $pageIndex,
        string $prototypeName = null
    ): ResponseInterface {
        $prototypeName = $prototypeName ?: $formDefinition['prototypeName'] ?? 'standard';
        $formDefinition = $formDefinition->getArrayCopy();
 
        $formFactory = GeneralUtility::makeInstance(ArrayFormFactory::class);
        $formDefinition = $formFactory->build($formDefinition, $prototypeName);
        $formDefinition->setRenderingOption('previewMode', true);
        $form = $formDefinition->bind($this->request);
        $form->setCurrentSiteLanguage($this->‪buildFakeSiteLanguage(0, 0));
        $form->overrideCurrentPage($pageIndex);
 
        return $this->‪htmlResponse($form->render());
    }
 
    protected function ‪buildFakeSiteLanguage(int $pageId, int $languageId): ‪SiteLanguage
    {
        $fakeSiteConfiguration = [
            'languages' => [
                [
                    'languageId' => $languageId,
                    'title' => 'Dummy',
                    'navigationTitle' => '',
                    'flag' => '',
                    'locale' => '',
                ],
            ],
        ];
 
        $currentSiteLanguage = GeneralUtility::makeInstance(Site::class, 'form-dummy', $pageId, $fakeSiteConfiguration)
            ->getLanguageById($languageId);
        return $currentSiteLanguage;
    }
 
    protected function ‪getInsertRenderablesPanelConfiguration(array $formElementsDefinition): array
    {
        $formElementsByGroup = [];
 
        foreach ($formElementsDefinition as $formElementName => $formElementConfiguration) {
            if (!isset($formElementConfiguration['group'])) {
                continue;
            }
            if (!isset($formElementsByGroup[$formElementConfiguration['group']])) {
                $formElementsByGroup[$formElementConfiguration['group']] = [];
            }
 
            $formElementConfiguration = GeneralUtility::makeInstance(TranslationService::class)->translateValuesRecursive(
                $formElementConfiguration,
                $this->prototypeConfiguration['formEditor']['translationFiles'] ?? []
            );
 
            $formElementsByGroup[$formElementConfiguration['group']][] = [
                'key' => $formElementName,
                'cssKey' => preg_replace('/[^a-z0-9]/', '-', strtolower($formElementName)),
                'label' => $formElementConfiguration['label'],
                'sorting' => $formElementConfiguration['groupSorting'],
                'iconIdentifier' => $formElementConfiguration['iconIdentifier'],
            ];
        }
 
        $formGroups = [];
        foreach ($this->prototypeConfiguration['formEditor']['formElementGroups'] ?? [] as $groupName => $groupConfiguration) {
            if (!isset($formElementsByGroup[$groupName])) {
                continue;
            }
 
            usort($formElementsByGroup[$groupName], static function ($a, $b) {
                return $a['sorting'] - $b['sorting'];
            });
 
            $groupConfiguration = GeneralUtility::makeInstance(TranslationService::class)->translateValuesRecursive(
                $groupConfiguration,
                $this->prototypeConfiguration['formEditor']['translationFiles'] ?? []
            );
 
            $formGroups[] = [
                'key' => $groupName,
                'elements' => $formElementsByGroup[$groupName],
                'label' => $groupConfiguration['label'],
            ];
        }
 
        return $formGroups;
    }
 
    protected function ‪getFormEditorDefinitions(): array
    {
        $formEditorDefinitions = [];
        foreach ([$this->prototypeConfiguration, $this->prototypeConfiguration['formEditor']] as $configuration) {
            foreach ($configuration as $firstLevelItemKey => $firstLevelItemValue) {
                if (substr($firstLevelItemKey, -10) !== 'Definition') {
                    continue;
                }
                $reducedKey = substr($firstLevelItemKey, 0, -10);
                foreach ($configuration[$firstLevelItemKey] as $formEditorDefinitionKey => $formEditorDefinitionValue) {
                    if (isset($formEditorDefinitionValue['formEditor'])) {
                        $formEditorDefinitionValue = array_intersect_key($formEditorDefinitionValue, array_flip(['formEditor']));
                        $formEditorDefinitions[$reducedKey][$formEditorDefinitionKey] = $formEditorDefinitionValue['formEditor'];
                    } else {
                        $formEditorDefinitions[$reducedKey][$formEditorDefinitionKey] = $formEditorDefinitionValue;
                    }
                }
            }
        }
        $formEditorDefinitions = ‪ArrayUtility::reIndexNumericArrayKeysRecursive($formEditorDefinitions);
        $formEditorDefinitions = GeneralUtility::makeInstance(TranslationService::class)->translateValuesRecursive(
            $formEditorDefinitions,
            $this->prototypeConfiguration['formEditor']['translationFiles'] ?? []
        );
        return $formEditorDefinitions;
    }
 
    protected function ‪initializeModuleTemplate(‪RequestInterface ‪$request): ‪ModuleTemplate
    {
        $moduleTemplate = $this->moduleTemplateFactory->create(‪$request);
 
        $buttonBar = $moduleTemplate->‪getDocHeaderComponent()->getButtonBar();
        $getVars = ‪$request->‪getArguments();
 
        if (isset($getVars['action']) && $getVars['action'] === 'index') {
            $newPageButton = $buttonBar->makeInputButton()
                ->setDataAttributes(['action' => 'formeditor-new-page', 'identifier' => 'headerNewPage'])
                ->setTitle($this->‪getLanguageService()->sL('LLL:EXT:form/Resources/Private/Language/Database.xlf:formEditor.new_page_button'))
                ->setName('formeditor-new-page')
                ->setValue('new-page')
                ->setClasses('t3-form-element-new-page-button hidden')
                ->setIcon($this->iconFactory->getIcon('actions-page-new', IconSize::SMALL));
 
            ‪$uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
 
            $closeButton = $buttonBar->makeLinkButton()
                ->setDataAttributes(['identifier' => 'closeButton'])
                ->setHref((string)‪$uriBuilder->buildUriFromRoute('web_FormFormbuilder'))
                ->setClasses('t3-form-element-close-form-button hidden')
                ->setTitle($this->‪getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.closeDoc'))
                ->setShowLabelText(true)
                ->setIcon($this->iconFactory->getIcon('actions-close', IconSize::SMALL));
 
            $saveButton = $buttonBar->makeInputButton()
                ->setDataAttributes(['identifier' => 'saveButton'])
                ->setTitle($this->‪getLanguageService()->sL('LLL:EXT:form/Resources/Private/Language/Database.xlf:formEditor.save_button'))
                ->setName('formeditor-save-form')
                ->setValue('save')
                ->setClasses('t3-form-element-save-form-button hidden')
                ->setIcon($this->iconFactory->getIcon('actions-document-save', IconSize::SMALL))
                ->setShowLabelText(true);
 
            $formSettingsButton = $buttonBar->makeInputButton()
                ->setDataAttributes(['identifier' => 'formSettingsButton'])
                ->setTitle($this->‪getLanguageService()->sL('LLL:EXT:form/Resources/Private/Language/Database.xlf:formEditor.form_settings_button'))
                ->setName('formeditor-form-settings')
                ->setValue('settings')
                ->setClasses('t3-form-element-form-settings-button hidden')
                ->setIcon($this->iconFactory->getIcon('actions-system-extension-configure', IconSize::SMALL))
                ->setShowLabelText(true);
 
            $undoButton = $buttonBar->makeInputButton()
                ->setDataAttributes(['identifier' => 'undoButton'])
                ->setTitle($this->‪getLanguageService()->sL('LLL:EXT:form/Resources/Private/Language/Database.xlf:formEditor.undo_button'))
                ->setName('formeditor-undo-form')
                ->setValue('undo')
                ->setClasses('t3-form-element-undo-form-button hidden disabled')
                ->setIcon($this->iconFactory->getIcon('actions-edit-undo', IconSize::SMALL));
 
            $redoButton = $buttonBar->makeInputButton()
                ->setDataAttributes(['identifier' => 'redoButton'])
                ->setTitle($this->‪getLanguageService()->sL('LLL:EXT:form/Resources/Private/Language/Database.xlf:formEditor.redo_button'))
                ->setName('formeditor-redo-form')
                ->setValue('redo')
                ->setClasses('t3-form-element-redo-form-button hidden disabled')
                ->setIcon($this->iconFactory->getIcon('actions-edit-redo', IconSize::SMALL));
 
            $buttonBar->addButton($newPageButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 1);
            $buttonBar->addButton($closeButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 2);
            $buttonBar->addButton($saveButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 3);
            $buttonBar->addButton($formSettingsButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 4);
            $buttonBar->addButton($undoButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 5);
            $buttonBar->addButton($redoButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 5);
        }
 
        return $moduleTemplate;
    }
 
    protected function ‪renderFormEditorTemplates(array $formEditorDefinitions): string
    {
        $fluidConfiguration = $this->prototypeConfiguration['formEditor']['formEditorFluidConfiguration'] ?? null;
        $formEditorPartials = $this->prototypeConfiguration['formEditor']['formEditorPartials'] ?? null;
 
        if (!isset($fluidConfiguration['templatePathAndFilename'])) {
            throw new ‪RenderingException(
                'The option templatePathAndFilename must be set.',
                1485636499
            );
        }
        if (
            !isset($fluidConfiguration['layoutRootPaths'])
            || !is_array($fluidConfiguration['layoutRootPaths'])
        ) {
            throw new ‪RenderingException(
                'The option layoutRootPaths must be set.',
                1480294721
            );
        }
        if (
            !isset($fluidConfiguration['partialRootPaths'])
            || !is_array($fluidConfiguration['partialRootPaths'])
        ) {
            throw new ‪RenderingException(
                'The option partialRootPaths must be set.',
                1480294722
            );
        }
 
        $insertRenderablesPanelConfiguration = $this->‪getInsertRenderablesPanelConfiguration($formEditorDefinitions['formElements']);
 
        ‪$view = GeneralUtility::makeInstance(TemplateView::class);
        ‪$view->getRenderingContext()->setRequest($this->request);
        ‪$view->getRenderingContext()->getTemplatePaths()->fillFromConfigurationArray($fluidConfiguration);
        ‪$view->setTemplatePathAndFilename($fluidConfiguration['templatePathAndFilename']);
        ‪$view->assignMultiple([
            'insertRenderablesPanelConfiguration' => $insertRenderablesPanelConfiguration,
            'formEditorPartials' => $formEditorPartials,
        ]);
 
        return ‪$view->render();
    }
 
    protected function ‪transformFormDefinitionForFormEditor(array $formDefinition): array
    {
        $multiValueFormElementProperties = [];
        $multiValueFinisherProperties = [];
 
        foreach ($this->prototypeConfiguration['formElementsDefinition'] as $type => $configuration) {
            if (!isset($configuration['formEditor']['editors'])) {
                continue;
            }
            foreach ($configuration['formEditor']['editors'] as $editorConfiguration) {
                if (($editorConfiguration['templateName'] ?? '') === 'Inspector-PropertyGridEditor') {
                    $multiValueFormElementProperties[$type][] = $editorConfiguration['propertyPath'];
                }
            }
        }
 
        foreach ($this->prototypeConfiguration['formElementsDefinition']['Form']['formEditor']['propertyCollections']['finishers'] ?? [] as $configuration) {
            if (!isset($configuration['editors'])) {
                continue;
            }
 
            foreach ($configuration['editors'] as $editorConfiguration) {
                if (($editorConfiguration['templateName'] ?? '') === 'Inspector-PropertyGridEditor') {
                    $multiValueFinisherProperties[$configuration['identifier']][] = $editorConfiguration['propertyPath'];
                }
            }
        }
 
        $formDefinition = $this->‪filterEmptyArrays($formDefinition);
        $formDefinition = $this->‪migrateEmailFinisherRecipients($formDefinition);
 
        // @todo: replace with rte parsing
        $formDefinition = ArrayUtility::stripTagsFromValuesRecursive($formDefinition);
        $formDefinition = $this->‪transformMultiValuePropertiesForFormEditor(
            $formDefinition,
            'type',
            $multiValueFormElementProperties
        );
        $formDefinition = $this->‪transformMultiValuePropertiesForFormEditor(
            $formDefinition,
            'identifier',
            $multiValueFinisherProperties
        );
 
        $formDefinition = $this->formDefinitionConversionService->addHmacData($formDefinition);
        $formDefinition = $this->formDefinitionConversionService->migrateFinisherConfiguration($formDefinition);
 
        return $formDefinition;
    }
 
    protected function ‪transformMultiValuePropertiesForFormEditor(
        array $formDefinition,
        string $identifierProperty,
        array $multiValueProperties
    ): array {
        ‪$output = $formDefinition;
        foreach ($formDefinition as $key => $value) {
            ‪$identifier = $value[$identifierProperty] ?? null;
 
            if (is_string(‪$identifier) && array_key_exists(‪$identifier, $multiValueProperties)) {
                $multiValuePropertiesForIdentifier = $multiValueProperties[‪$identifier];
 
                foreach ($multiValuePropertiesForIdentifier as $multiValueProperty) {
                    if (!‪ArrayUtility::isValidPath($value, $multiValueProperty, '.')) {
                        continue;
                    }
 
                    $multiValuePropertyData = ‪ArrayUtility::getValueByPath($value, $multiValueProperty, '.');
 
                    if (!is_array($multiValuePropertyData)) {
                        continue;
                    }
 
                    $newMultiValuePropertyData = [];
 
                    foreach ($multiValuePropertyData as $k => $v) {
                        $newMultiValuePropertyData[] = [
                            '_label' => $v,
                            '_value' => $k,
                        ];
                    }
 
                    $value = ‪ArrayUtility::setValueByPath($value, $multiValueProperty, $newMultiValuePropertyData, '.');
                }
            }
 
            ‪$output[$key] = $value;
 
            if (is_array($value)) {
                ‪$output[$key] = $this->‪transformMultiValuePropertiesForFormEditor(
                    $value,
                    $identifierProperty,
                    $multiValueProperties
                );
            }
        }
 
        return ‪$output;
    }
 
    protected function ‪filterEmptyArrays(array $array): array
    {
        foreach ($array as $key => $value) {
            if (!is_array($value)) {
                continue;
            }
            if (empty($value)) {
                unset($array[$key]);
                continue;
            }
            $array[$key] = $this->‪filterEmptyArrays($value);
            if (empty($array[$key])) {
                unset($array[$key]);
            }
        }
 
        return $array;
    }
 
    protected function ‪migrateEmailFinisherRecipients(array $formDefinition): array
    {
        foreach ($formDefinition['finishers'] ?? [] as $i => $finisherConfiguration) {
            if (!in_array($finisherConfiguration['identifier'], ['EmailToSender', 'EmailToReceiver'], true)) {
                continue;
            }
 
            $recipientAddress = $finisherConfiguration['options']['recipientAddress'] ?? '';
            $recipientName = $finisherConfiguration['options']['recipientName'] ?? '';
            $carbonCopyAddress = $finisherConfiguration['options']['carbonCopyAddress'] ?? '';
            $blindCarbonCopyAddress = $finisherConfiguration['options']['blindCarbonCopyAddress'] ?? '';
            $replyToAddress = $finisherConfiguration['options']['replyToAddress'] ?? '';
 
            if (!empty($recipientAddress)) {
                $finisherConfiguration['options']['recipients'][$recipientAddress] = $recipientName;
            }
 
            if (!empty($carbonCopyAddress)) {
                $finisherConfiguration['options']['carbonCopyRecipients'][$carbonCopyAddress] = '';
            }
 
            if (!empty($blindCarbonCopyAddress)) {
                $finisherConfiguration['options']['blindCarbonCopyRecipients'][$blindCarbonCopyAddress] = '';
            }
 
            if (!empty($replyToAddress)) {
                $finisherConfiguration['options']['replyToRecipients'][$replyToAddress] = '';
            }
 
            unset(
                $finisherConfiguration['options']['recipientAddress'],
                $finisherConfiguration['options']['recipientName'],
                $finisherConfiguration['options']['carbonCopyAddress'],
                $finisherConfiguration['options']['blindCarbonCopyAddress'],
                $finisherConfiguration['options']['replyToAddress']
            );
            $formDefinition['finishers'][$i] = $finisherConfiguration;
        }
 
        return $formDefinition;
    }
 
    protected function ‪getBackendUser(): ‪BackendUserAuthentication
    {
        return ‪$GLOBALS['BE_USER'];
    }
 
    protected function ‪getLanguageService(): ‪LanguageService
    {
        return ‪$GLOBALS['LANG'];
    }
}