Completed
Pull Request — develop (#1)
by Chris
02:07
created

AutoJsonResponseListener::getSerializer()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 8
rs 9.4285
cc 2
eloc 4
nc 2
nop 0
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<?php
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/*
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 * This file is part of the ChrisyueAutoJsonResponseBundle package.
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 *
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 * (c) Chrisyue <http://chrisyue.com/>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Chrisyue\Bundle\AutoJsonResponseBundle\EventListener;
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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\GetResponseForControllerResultEvent;
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use Symfony\Component\Serializer\Serializer;
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class AutoJsonResponseListener
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{
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    private $serializer;
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    public function __construct(Serializer $serializer = null)
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    {
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        $this->serializer = $serializer;
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    }
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    public function onKernelView(GetResponseForControllerResultEvent $event)
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    {
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        if (!$event->isMasterRequest()) {
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            return;
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        }
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        $request = $event->getRequest();
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        if ('json' !== $request->getRequestFormat()) {
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            return;
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        }
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        $result = $event->getControllerResult();
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        if (null === $result) {
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            $event->setResponse(new JsonResponse(null, 204));
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            return;
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        }
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        if ($result instanceof Response) {
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            return;
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        }
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        $response = new JsonResponse();
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        if ($request->isMethod('POST')) {
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            $response->setStatusCode(201);
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        }
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        if (is_object($result)) {
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            $result = $this->getSerializer()->normalize($result);
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        }
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        $response->setData($result);
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        $event->setResponse($response);
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    }
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    private function getSerializer()
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    {
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        if (null === $this->serializer) {
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            throw new \BadMethodCallException('You should enable `serializer` in `config.yml` to get this work');
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        }
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        return $this->serializer;
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    }
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}
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