NW\JsonRequestBundle\EventListener\RequestTransformerListener

Complexity

Total Complexity

8

Size/Duplication

Total Lines	48
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	onKernelRequest()	0	12	3
A	isAvailable()	0	3	2
A	transform()	0	13	3

<?php

namespace NW\JsonRequestBundle\EventListener;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Event\RequestEvent;

class RequestTransformerListener implements RequestListenerInterface
{
    /**
     * {@inheritdoc}
     */
    public function onKernelRequest(RequestEvent $event): void
    {
        $request = $event->getRequest();

        if (false === $this->isAvailable($request)) {
            return;
        }

        if (false === $this->transform($request)) {
            $response = new Response('Unable to parse request.', Response::HTTP_BAD_REQUEST);

            $event->setResponse($response);
        }
    }

    /**
     * @param Request $request
     *
     * @return bool
     */
    private function isAvailable(Request $request): bool
    {
        return 'json' === $request->getContentType() && $request->getContent();
    }

    /**
     * @param Request $request
     *
     * @return bool
     */
    private function transform(Request $request): bool
    {
        $data = json_decode($request->getContent(), true);

        if (json_last_error() !== \JSON_ERROR_NONE) {
            return false;
        }

        if (is_array($data)) {
            $request->request->replace($data);
        }

        return true;
    }
}