Symfony içinde authorization_checker servisi ile doğrulanmış veya login olan kullanıcının role bilgilerini kontrol etmek

namespace Application\ServerBundle\Controller;

use Application\ServerBundle\Entity\User;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;

/**
 * @Route("api", service="application_server.controller.api")
 */
class ApiController extends Controller
{
    private $authorization;

    public function __construct(
        AuthorizationCheckerInterface $authorization
    ) {
        $this->authorization = $authorization;
    }

    /**
     * @param Request $request
     *
     * @Method({"POST"})
     * @Route("")
     *
     * @return Response
     */
    public function indexAction(Request $request)
    {
        $auth = 'Bad';
        if ($this->authorization->isGranted('ROLE_ADMIN')) {
            $auth = 'Good';
        }

        .....

        return new Response($auth);
    }
}

services:
    application_server.controller.api:
        class: Application\ServerBundle\Controller\ApiController
        arguments:
            - @security.authorization_checker