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<?php declare(strict_types = 1); |
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namespace Simplex\Quickstart\Shared\HttpMiddleware; |
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use JMS\Serializer\SerializerInterface; |
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use Lukasoppermann\Httpstatus\Httpstatuscodes; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Simplex\Exception\ResourceNotFoundException; |
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use Simplex\Quickstart\Shared\Exception\BadRequestException; |
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use Symfony\Component\Validator\ConstraintViolation; |
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use Symfony\Component\Validator\ConstraintViolationListInterface; |
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final class HandleBadRequests |
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{ |
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private const JSON_FORMAT = 'json'; |
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private const PROPERTY_KEY = 'property'; |
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private const MESSAGE_KEY = 'message'; |
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/** @var SerializerInterface */ |
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private $serializer; |
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public function __construct(SerializerInterface $serializer) |
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{ |
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$this->serializer = $serializer; |
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} |
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public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next) |
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{ |
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try { |
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$response = $next($request, $response); |
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} catch (BadRequestException $exception) { |
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$response = $response->withStatus(Httpstatuscodes::HTTP_BAD_REQUEST); |
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$this->writeViolationsToResponse($exception, $response); |
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} catch (ResourceNotFoundException $exception) { |
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$response = $response->withStatus(Httpstatuscodes::HTTP_NOT_FOUND); |
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} |
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return $next($request, $response); |
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} |
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private function writeViolationsToResponse(BadRequestException $exception, ResponseInterface $response): void |
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{ |
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$violations = $exception->getViolations(); |
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if (null === $violations) { |
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return; |
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} |
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$response->getBody()->write( |
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$this->serializer->serialize($this->createResponseBody($violations), self::JSON_FORMAT) |
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); |
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} |
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private function createResponseBody(ConstraintViolationListInterface $violations): array |
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{ |
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$body = []; |
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/** @var ConstraintViolation $violation */ |
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foreach ($violations as $violation) { |
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$body[] = [ |
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self::PROPERTY_KEY => $violation->getPropertyPath(), |
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self::MESSAGE_KEY => $violation->getMessage(), |
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]; |
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} |
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return $body; |
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} |
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} |
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freddiefrantzen /
simplex-quickstart
