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<?php |
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declare(strict_types=1); |
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namespace Damax\Common\Bridge\Symfony\Bundle\Listener; |
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use Damax\Common\Bridge\Symfony\Bundle\Annotation\Deserialize; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Event\ControllerEvent; |
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use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
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use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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use Symfony\Component\Serializer\Exception\ExceptionInterface; |
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use Symfony\Component\Serializer\SerializerInterface; |
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use Symfony\Component\Validator\ConstraintViolationListInterface; |
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use Symfony\Component\Validator\Validator\ValidatorInterface; |
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class DeserializeListener implements EventSubscriberInterface |
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{ |
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private const CONTENT_TYPE = 'json'; |
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private $serializer; |
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private $validator; |
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public function __construct(SerializerInterface $serializer, ValidatorInterface $validator) |
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{ |
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$this->serializer = $serializer; |
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$this->validator = $validator; |
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} |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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KernelEvents::CONTROLLER => ['onKernelController', -16], |
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]; |
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} |
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/** |
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* @throws UnprocessableEntityHttpException |
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* @throws BadRequestHttpException |
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*/ |
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public function onKernelController(ControllerEvent $event) |
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{ |
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$request = $event->getRequest(); |
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if (!$request->attributes->get('_deserialize')) { |
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return; |
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} |
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$contentType = $request->getRequestFormat(null) ?? $request->getContentType(); |
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if (self::CONTENT_TYPE !== $contentType) { |
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return; |
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} |
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/** @var Deserialize $config */ |
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$config = $request->attributes->get('_deserialize'); |
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$context = $config->groups() ? ['groups' => $config->groups()] : []; |
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// Deserialize body into object. |
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try { |
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$object = $this->serializer->deserialize($request->getContent(), $config->className(), self::CONTENT_TYPE, $context); |
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} catch (ExceptionInterface $e) { |
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throw new UnprocessableEntityHttpException('Invalid json.'); |
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} |
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// Validate object and send problem response on failure. |
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if ($config->validate() && count($violations = $this->validator->validate($object))) { |
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$event->setController(function () use ($violations) { |
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return $this->errorResponse($violations); |
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}); |
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} |
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$request->attributes->set($config->param(), $object); |
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} |
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private function errorResponse(ConstraintViolationListInterface $violations): Response |
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{ |
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$data = $this->serializer->serialize($violations, self::CONTENT_TYPE); |
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return JsonResponse::fromJsonString($data, Response::HTTP_BAD_REQUEST, ['Content-Type' => 'application/problem+json']); |
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} |
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} |
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damax-solutions /
common
