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<?php |
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declare(strict_types=1); |
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namespace Silverback\ApiComponentBundle\DataTransformer; |
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use ApiPlatform\Core\Api\OperationType; |
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use ApiPlatform\Core\Bridge\Doctrine\Orm\Paginator; |
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use ApiPlatform\Core\DataProvider\ContextAwareCollectionDataProviderInterface; |
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use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface; |
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use ApiPlatform\Core\PathResolver\OperationPathResolverInterface; |
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use ApiPlatform\Core\Util\RequestParser; |
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use Silverback\ApiComponentBundle\Entity\Component\Collection\Collection; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Symfony\Component\Serializer\Normalizer\NormalizerInterface; |
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final class CollectionDataTransformer implements DataTransformerInterface |
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{ |
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private $requestStack; |
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private $resourceMetadataFactory; |
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private $operationPathResolver; |
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private $dataProvider; |
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private $itemNormalizer; |
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public function __construct( |
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RequestStack $requestStack, |
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ResourceMetadataFactoryInterface $resourceMetadataFactory, |
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OperationPathResolverInterface $operationPathResolver, |
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ContextAwareCollectionDataProviderInterface $dataProvider, |
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NormalizerInterface $itemNormalizer |
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) { |
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$this->requestStack = $requestStack; |
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$this->resourceMetadataFactory = $resourceMetadataFactory; |
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$this->operationPathResolver = $operationPathResolver; |
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$this->dataProvider = $dataProvider; |
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$this->itemNormalizer = $itemNormalizer; |
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} |
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/** |
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* @param Collection $object |
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* @param array $context |
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* @return object|void |
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*/ |
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public function transform($object, array $context = []) |
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{ |
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$request = $this->requestStack->getCurrentRequest(); |
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if (!$request) { |
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return; |
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} |
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$format = $request->getRequestFormat(); |
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$collectionRoutes = $this->addCollectionRoutes($object, $format); |
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$itemsPerPage = $object->getPerPage(); |
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$isPaginated = (bool) $itemsPerPage; |
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$filters = $this->getFilters($object, $request); |
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$dataProviderContext = null === $filters ? [] : ['filters' => $filters]; |
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if ($isPaginated) { |
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$dataProviderContext['filters'] = $dataProviderContext['filters'] ?? []; |
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$dataProviderContext['filters'] = array_merge($dataProviderContext['filters'], [ |
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'pagination' => true, |
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'itemsPerPage' => $itemsPerPage, |
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'_page' => 1 |
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]); |
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$request->attributes->set('_api_pagination', [ |
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'pagination' => 'true', |
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'itemsPerPage' => $itemsPerPage |
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]); |
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} |
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/** @var Paginator $collection */ |
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$collection = $this->dataProvider->getCollection($object->getResource(), Request::METHOD_GET, $dataProviderContext); |
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$forcedContext = [ |
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'resource_class' => $object->getResource(), |
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'request_uri' => $collectionRoutes ? $collectionRoutes->first() : null, |
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'jsonld_has_context' => false, |
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'api_sub_level' => null |
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]; |
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$mergedContext = array_merge($context, $forcedContext); |
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$normalizedCollection = $this->itemNormalizer->normalize( |
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$collection, |
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$format, |
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$mergedContext |
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); |
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if (\is_array($normalizedCollection)) { |
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$object->setCollection($normalizedCollection); |
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} |
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return $object; |
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} |
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private function getFilters(Collection $object, Request $request): ?array |
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{ |
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$filters = null; |
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$resetQueryString = false; |
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// Set the default querystring for the RequestParser class if we have not passed one in the request |
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if ($defaultQueryString = $object->getDefaultQueryString()) { |
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$qs = $request->server->get('QUERY_STRING'); |
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if (!$qs) { |
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$defaultQueryString = preg_replace('/{{(\s+)?NOW(\s+)?}}/i', (new \DateTime())->format('Y-m-d H:i:s'), $defaultQueryString); |
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$resetQueryString = true; |
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$request->server->set('QUERY_STRING', $defaultQueryString); |
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} |
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} |
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if (null === $filters = $request->attributes->get('_api_filters')) { |
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$queryString = RequestParser::getQueryString($request); |
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$filters = $queryString ? RequestParser::parseRequestParams($queryString) : null; |
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} |
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if ($resetQueryString) { |
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$request->server->set('QUERY_STRING', ''); |
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} |
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return $filters; |
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} |
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private function addCollectionRoutes(Collection $object, string $format) |
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{ |
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$resourceMetadata = $this->resourceMetadataFactory->create($object->getResource()); |
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$collectionOperations = $resourceMetadata->getCollectionOperations(); |
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if ($collectionOperations && ($shortName = $resourceMetadata->getShortName())) { |
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$collectionOperations = array_change_key_case($collectionOperations, CASE_LOWER); |
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$baseRoute = trim(trim($resourceMetadata->getAttribute('route_prefix', '')), '/'); |
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$methods = ['post', 'get']; |
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foreach ($methods as $method) { |
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if (array_key_exists($method, $collectionOperations)) { |
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$path = $baseRoute . $this->operationPathResolver->resolveOperationPath( |
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$shortName, |
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$collectionOperations[$method], |
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OperationType::COLLECTION, |
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$method |
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); |
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$finalPath = preg_replace('/{_format}$/', $format, $path); |
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$object->addCollectionRoute( |
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$method, |
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$finalPath |
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); |
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} |
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} |
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} |
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return $object->getCollectionRoutes(); |
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} |
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public function supportsTransformation($data, array $context = []): bool |
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{ |
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return $data instanceof Collection; |
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} |
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} |
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components-web-app /
api-components-bundle
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