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<?php |
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namespace Alchemy\RestBundle\EventListener; |
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use Alchemy\Rest\Request\ContentTypeMatcher; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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class DecodeJsonBodyRequestListener implements EventSubscriberInterface |
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{ |
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/** |
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* @var ContentTypeMatcher |
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*/ |
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private $contentTypeMatcher; |
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/** |
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* @var string[] |
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*/ |
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private $contentTypes; |
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/** |
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* @param ContentTypeMatcher $contentTypeMatcher |
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* @param null|string[] $contentTypes |
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*/ |
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public function __construct(ContentTypeMatcher $contentTypeMatcher, array $contentTypes = null) |
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{ |
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$this->contentTypeMatcher = $contentTypeMatcher; |
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$this->contentTypes = $contentTypes ?: array('application/json'); |
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} |
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public function onKernelRequest(GetResponseEvent $event) |
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{ |
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$request = $event->getRequest(); |
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$restAttributes = $request->attributes->get('_rest', []); |
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if (! isset($restAttributes['decode_request']) || ! $restAttributes['decode_request']) { |
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return; |
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} |
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$this->decodeBody($request); |
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} |
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/** |
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* @param Request $request |
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*/ |
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public function decodeBody(Request $request) |
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{ |
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$acceptHeader = $request->headers->get('Content-Type', '*/*'); |
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if (!$this->contentTypeMatcher->matches($acceptHeader, $this->contentTypes)) { |
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return; |
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} |
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$jsonBody = $request->getContent(false); |
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$decodedBody = json_decode($jsonBody, true); |
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if (! is_array($decodedBody)) { |
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$decodedBody = array(); |
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} |
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$request->request->replace($decodedBody); |
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} |
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public static function getSubscribedEvents() |
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{ |
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return array(KernelEvents::REQUEST => array('onKernelRequest', -2048)); |
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} |
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} |
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If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.