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<?php |
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namespace App\Middleware; |
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use Psr\Http\Message\ResponseFactoryInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Symfony\Component\Validator\ConstraintViolation; |
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use Symfony\Component\Validator\Exception\ValidationFailedException; |
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final class ValidationMiddleware implements MiddlewareInterface |
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{ |
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private ResponseFactoryInterface $responseFactory; |
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public function __construct(ResponseFactoryInterface $responseFactory) |
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{ |
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$this->responseFactory = $responseFactory; |
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} |
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public function process( |
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ServerRequestInterface $request, |
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RequestHandlerInterface $handler |
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): ResponseInterface { |
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try { |
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return $handler->handle($request); |
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} catch (ValidationFailedException $exception) { |
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$response = $this->responseFactory->createResponse(); |
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$data = $this->transform($exception); |
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$json = (string)json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES); |
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$response->getBody()->write($json); |
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return $response |
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->withStatus(422) |
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->withHeader('Content-Type', 'application/json'); |
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} |
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} |
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private function transform(ValidationFailedException $exception): array |
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{ |
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$error = []; |
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$violations = $exception->getViolations(); |
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if ($exception->getValue()) { |
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$error['message'] = $exception->getValue(); |
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} |
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if ($violations->count()) { |
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$details = []; |
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/** @var ConstraintViolation $violation */ |
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foreach ($violations as $violation) { |
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$details[] = [ |
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'message' => $violation->getMessage(), |
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'field' => $violation->getPropertyPath(), |
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]; |
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} |
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$error['details'] = $details; |
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} |
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return ['error' => $error]; |
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} |
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} |
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odan /
slim4-skeleton
