Zwischenstand vom 29.05.2026
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<?php
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declare(strict_types=1);
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namespace Evomedien\Vitec\UserFunc;
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use Doctrine\DBAL\ParameterType;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Resource\ResourceFactory;
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use TYPO3\CMS\Core\Service\FlexFormService;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Extbase\Service\ImageService;
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/**
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* UserFunc to render a single usecase as JSON for headless output.
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*
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* `render()` = page discovery (top-level plugin). `renderForRecord()` =
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* one specific tt_content row, reused by ContainerChildrenProcessor for
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* usecase-show plugins nested in a b13 container. Exception-safe.
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*/
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class UsecaseShowJsonRenderer
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{
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public function render(string $content, array $conf): string
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{
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$pageId = (int)($GLOBALS['TSFE']->id ?? 0);
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$ttContentQb = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tt_content');
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$contentElements = $ttContentQb
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->select('*')
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->from('tt_content')
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->where(
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$ttContentQb->expr()->eq('pid', $ttContentQb->createNamedParameter($pageId, ParameterType::INTEGER)),
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$ttContentQb->expr()->eq('list_type', $ttContentQb->createNamedParameter('vitec_usecaseshow', ParameterType::STRING)),
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$ttContentQb->expr()->eq('deleted', 0),
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$ttContentQb->expr()->eq('hidden', 0)
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)
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->executeQuery()
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->fetchAllAssociative();
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if (empty($contentElements)) {
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return '';
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}
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return $this->renderForRecord($contentElements[0]);
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}
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/**
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* @param array<string,mixed> $contentElement
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*/
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public function renderForRecord(array $contentElement): string
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{
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try {
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$pageId = (int)($GLOBALS['TSFE']->id ?? 0);
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$flexFormService = GeneralUtility::makeInstance(FlexFormService::class);
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$flexFormData = $flexFormService->convertFlexFormContentToArray($contentElement['pi_flexform'] ?? '');
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$settings = $flexFormData['settings'] ?? [];
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$usecaseUid = (int)($settings['usecase'] ?? 0);
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$layout = (string)($settings['layout'] ?? 'default');
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$debugMode = (bool)($settings['debug'] ?? false);
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if (!$usecaseUid) {
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$routeParams = $GLOBALS['TYPO3_REQUEST']->getQueryParams();
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$usecaseParam = $routeParams['tx_vitec_usecaseshow']['usecase'] ?? null;
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if ($usecaseParam) {
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if (!is_numeric($usecaseParam)) {
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$slugQb = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tx_vitec_domain_model_usecase');
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$bySlug = $slugQb
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->select('uid')
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->from('tx_vitec_domain_model_usecase')
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->where(
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$slugQb->expr()->eq('slug', $slugQb->createNamedParameter($usecaseParam)),
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$slugQb->expr()->eq('deleted', 0),
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$slugQb->expr()->eq('hidden', 0)
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)
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->executeQuery()
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->fetchAssociative();
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$usecaseUid = (int)($bySlug['uid'] ?? 0);
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} else {
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$usecaseUid = (int)$usecaseParam;
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}
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}
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}
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if (!$usecaseUid) {
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return $debugMode
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? json_encode(['error' => 'No usecase selected or found', 'debug' => ['settings' => $settings]])
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: '';
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}
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$usecaseQb = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tx_vitec_domain_model_usecase');
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$usecase = $usecaseQb
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->select('*')
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->from('tx_vitec_domain_model_usecase')
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->where(
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$usecaseQb->expr()->eq('uid', $usecaseQb->createNamedParameter($usecaseUid, ParameterType::INTEGER)),
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$usecaseQb->expr()->eq('deleted', 0),
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$usecaseQb->expr()->eq('hidden', 0)
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)
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->executeQuery()
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->fetchAssociative();
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if (!$usecase) {
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return $debugMode
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? json_encode(['error' => 'Usecase not found', 'debug' => ['usecaseUid' => $usecaseUid]])
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: '';
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}
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$response = [
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'usecase' => $this->serializeUsecase($usecase),
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'layout' => $layout,
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'settings' => [
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'layout' => $layout,
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],
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];
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if ($debugMode) {
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$response['debug'] = [
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'pageId' => $pageId,
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'usecaseUid' => $usecaseUid,
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'layout' => $layout,
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'settings' => $settings,
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];
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}
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return json_encode($response);
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} catch (\Throwable $e) {
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return '';
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}
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}
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/**
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* @param array<string,mixed> $usecase
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* @return array<string,mixed>
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*/
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protected function serializeUsecase(array $usecase): array
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{
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$uid = (int)$usecase['uid'];
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return [
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'uid' => $uid,
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'title' => (string)($usecase['title'] ?? ''),
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'slug' => (string)($usecase['slug'] ?? ''),
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'subtitle' => (string)($usecase['subtitle'] ?? ''),
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'teaser' => (string)($usecase['teaser'] ?? ''),
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'description' => (string)($usecase['description'] ?? ''),
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'singlepid' => (string)($usecase['singlepid'] ?? ''),
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'hideonapp' => (bool)($usecase['hideonapp'] ?? false),
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'hideonwebsite' => (bool)($usecase['hideonwebsite'] ?? false),
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'categories' => $this->getUsecaseCategories($uid),
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'caseimage' => $this->getUsecaseImage($uid, 'caseimage'),
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'logoimage' => $this->getUsecaseImage($uid, 'logoimage'),
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];
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}
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/**
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* @return array<string,mixed>|null
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*/
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protected function getUsecaseImage(int $usecaseUid, string $fieldName): ?array
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{
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('sys_file_reference');
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$fileRefData = $queryBuilder
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->select('sfr.uid', 'sfr.title', 'sfr.description', 'sfr.alternative', 'sfr.crop')
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->from('sys_file_reference', 'sfr')
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->where(
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$queryBuilder->expr()->eq('sfr.tablenames', $queryBuilder->createNamedParameter('tx_vitec_domain_model_usecase', ParameterType::STRING)),
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$queryBuilder->expr()->eq('sfr.fieldname', $queryBuilder->createNamedParameter($fieldName, ParameterType::STRING)),
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$queryBuilder->expr()->eq('sfr.uid_foreign', $queryBuilder->createNamedParameter($usecaseUid, ParameterType::INTEGER)),
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$queryBuilder->expr()->eq('sfr.deleted', 0),
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$queryBuilder->expr()->eq('sfr.hidden', 0)
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)
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->orderBy('sfr.sorting_foreign')
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->setMaxResults(1)
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->executeQuery()
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->fetchAssociative();
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if (!$fileRefData) {
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return null;
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}
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try {
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$resourceFactory = GeneralUtility::makeInstance(ResourceFactory::class);
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$imageService = GeneralUtility::makeInstance(ImageService::class);
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$fileReference = $resourceFactory->getFileReferenceObject((int)$fileRefData['uid']);
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$srcset = [];
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foreach ([400, 800, 1200, 1600] as $width) {
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$variant = $imageService->applyProcessingInstructions(
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$fileReference,
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['width' => $width, 'crop' => $fileRefData['crop'] ?? null]
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);
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$srcset[] = [
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'url' => $imageService->getImageUri($variant),
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'width' => $width,
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'descriptor' => $width . 'w',
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];
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}
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$default = $imageService->applyProcessingInstructions(
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$fileReference,
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['width' => 800, 'crop' => $fileRefData['crop'] ?? null]
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);
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return [
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'uid' => (int)$fileRefData['uid'],
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'url' => $imageService->getImageUri($default),
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'title' => $fileRefData['title'] ?? '',
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'alternative' => $fileRefData['alternative'] ?? '',
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'description' => $fileRefData['description'] ?? '',
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'srcset' => $srcset,
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'properties' => [
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'width' => $fileReference->getProperty('width'),
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'height' => $fileReference->getProperty('height'),
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'mimeType' => $fileReference->getProperty('mime_type'),
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],
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];
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} catch (\Exception $e) {
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return null;
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}
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}
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protected function getUsecaseCategories(int $usecaseUid): array
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{
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('sys_category');
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$categories = $queryBuilder
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->select('c.uid', 'c.title', 'c.description')
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->from('sys_category', 'c')
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->join(
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'c',
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'sys_category_record_mm',
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'mm',
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'mm.uid_local = c.uid AND mm.tablenames = ' .
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$queryBuilder->createNamedParameter('tx_vitec_domain_model_usecase', ParameterType::STRING) .
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' AND mm.fieldname = ' .
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$queryBuilder->createNamedParameter('categories', ParameterType::STRING)
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)
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->where(
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$queryBuilder->expr()->eq('mm.uid_foreign', $queryBuilder->createNamedParameter($usecaseUid, ParameterType::INTEGER)),
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$queryBuilder->expr()->eq('c.deleted', 0),
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$queryBuilder->expr()->eq('c.hidden', 0)
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)
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->orderBy('mm.sorting', 'ASC')
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->executeQuery()
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->fetchAllAssociative();
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return array_map(static function ($cat) {
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return [
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'uid' => (int)$cat['uid'],
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'title' => $cat['title'] ?? '',
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'description' => $cat['description'] ?? '',
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];
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}, $categories);
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}
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}
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