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ErrorPlugin.php
82 lines
| 1 | <?php |
| 2 | |
| 3 | namespace AmeliaHttp\Client\Common\Plugin; |
| 4 | |
| 5 | use AmeliaHttp\Client\Common\Exception\ClientErrorException; |
| 6 | use AmeliaHttp\Client\Common\Exception\ServerErrorException; |
| 7 | use AmeliaHttp\Client\Common\Plugin; |
| 8 | use AmeliaPsr\Http\Message\RequestInterface; |
| 9 | use AmeliaPsr\Http\Message\ResponseInterface; |
| 10 | use Symfony\Component\OptionsResolver\OptionsResolver; |
| 11 | |
| 12 | /** |
| 13 | * Throw exception when the response of a request is not acceptable. |
| 14 | * |
| 15 | * Status codes 400-499 lead to a ClientErrorException, status 500-599 to a ServerErrorException. |
| 16 | * |
| 17 | * @author Joel Wurtz <joel.wurtz@gmail.com> |
| 18 | */ |
| 19 | final class ErrorPlugin implements Plugin |
| 20 | { |
| 21 | /** |
| 22 | * @var bool Whether this plugin should only throw 5XX Exceptions (default to false). |
| 23 | * |
| 24 | * If set to true 4XX Responses code will never throw an exception |
| 25 | */ |
| 26 | private $onlyServerException; |
| 27 | |
| 28 | /** |
| 29 | * @param array $config { |
| 30 | * |
| 31 | * @var bool only_server_exception Whether this plugin should only throw 5XX Exceptions (default to false). |
| 32 | * } |
| 33 | */ |
| 34 | public function __construct(array $config = []) |
| 35 | { |
| 36 | $resolver = new OptionsResolver(); |
| 37 | $resolver->setDefaults([ |
| 38 | 'only_server_exception' => false, |
| 39 | ]); |
| 40 | $resolver->setAllowedTypes('only_server_exception', 'bool'); |
| 41 | $options = $resolver->resolve($config); |
| 42 | |
| 43 | $this->onlyServerException = $options['only_server_exception']; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * {@inheritdoc} |
| 48 | */ |
| 49 | public function handleRequest(RequestInterface $request, callable $next, callable $first) |
| 50 | { |
| 51 | $promise = $next($request); |
| 52 | |
| 53 | return $promise->then(function (ResponseInterface $response) use ($request) { |
| 54 | return $this->transformResponseToException($request, $response); |
| 55 | }); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Transform response to an error if possible. |
| 60 | * |
| 61 | * @param RequestInterface $request Request of the call |
| 62 | * @param ResponseInterface $response Response of the call |
| 63 | * |
| 64 | * @throws ClientErrorException If response status code is a 4xx |
| 65 | * @throws ServerErrorException If response status code is a 5xx |
| 66 | * |
| 67 | * @return ResponseInterface If status code is not in 4xx or 5xx return response |
| 68 | */ |
| 69 | protected function transformResponseToException(RequestInterface $request, ResponseInterface $response) |
| 70 | { |
| 71 | if (!$this->onlyServerException && $response->getStatusCode() >= 400 && $response->getStatusCode() < 500) { |
| 72 | throw new ClientErrorException($response->getReasonPhrase(), $request, $response); |
| 73 | } |
| 74 | |
| 75 | if ($response->getStatusCode() >= 500 && $response->getStatusCode() < 600) { |
| 76 | throw new ServerErrorException($response->getReasonPhrase(), $request, $response); |
| 77 | } |
| 78 | |
| 79 | return $response; |
| 80 | } |
| 81 | } |
| 82 |