symfony - FatalErrorException in RedirectionListener.php line 46: Error: Call to a member function getUser() on a non-object

Solution:

I'm just giving you an example so that you can modify it to meet your needs. Apart from listener way of doing it, you should look into security.yml approach in FOS. There are many examples. For example, search foraccess_control in http://www.inanzzz.com/ which will give you 6 examples to study a bit.

Note: Never inject whole container as service parameter!

A few examples.

• Overriding controller response message with an even listener in symfony
• Testing onKernelController event listener for user requests with phpspec in symfony

SERVICE

services:
    application_frontend.event_listener.order_create:
        class: Application\FrontendBundle\EventListener\OrderCreateListener
        arguments:
            - @router
        tags:
            - { name: kernel.event_listener, event: kernel.controller, method: onKernelController }
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LISTENER

namespace Application\FrontendBundle\EventListener;

use Application\FrontendBundle\Controller\OrderController;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\Routing\RouterInterface;

class OrderCreateListener
{
    private $router;
    private $redirectRoute = 'fos_user_security_login';
    private $invalidRoutes = ['fos_user_security_login', '...', '...'];

    public function __construct(
        RouterInterface $router
    ) {
        $this->router = $router;
    }

    public function onKernelController(FilterControllerEvent $event)
    {
        $controller = $event->getController();
        if (!is_array($controller)) {
            return;
        }

        if (
            $event->isMasterRequest() && // If it is user request
            $controller[0] instanceof OrderController && // Change it to your controller
            $this->isValidRoute($event) !== false
        ) {
            return;
        }

        $url = $this->router->generate($this->redirectRoute);
        $response = new RedirectResponse($url);
        $event->setResponse($response);
    }

    private function isCreateCarMethod(FilterControllerEvent $event)
    {
        $currentRoute = $event->getRequest()->attributes->get('_route');
        if (in_array(currentRoute, $this->invalidRoutes)) {
            return false;
        }
    }
}
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