src/EventSubscriber/MaintenanceSubscriber.php line 38

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  1. <?php
  4. namespace App\EventSubscriber;
  6. use App\Controller\MaintenanceController;
  7. use MLDev\BaseBundle\Controller\FrontController;
  8. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  9. use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
  10. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  11. use Symfony\Component\HttpKernel\KernelEvents;
  13. class MaintenanceSubscriber implements EventSubscriberInterface
  14. {
  15.     /**
  16.      * @var ControllerResolverInterface
  17.      */
  18.     private $resolver;
  20.     /**
  21.      * @var bool
  22.      */
  23.     private $maintenance;
  25.     public function __construct(ControllerResolverInterface $resolver, bool $maintenance)
  26.     {
  27.         $this->resolver = $resolver;
  28.         $this->maintenance = $maintenance;
  29.     }
  31.     public static function getSubscribedEvents(): array
  32.     {
  33.         return [
  34.             KernelEvents::CONTROLLER => ['onKernelController', 0],
  35.         ];
  36.     }
  38.     public function onKernelController(ControllerEvent $event)
  39.     {
  40.         if (!$this->maintenance) {
  41.             return;
  42.         }
  44.         if (!$event->isMainRequest()) {
  45.             return;
  46.         }
  48.         list($controller) = $event->getController();
  50.         if ($controller instanceof FrontController) {
  51.             $request = $event->getRequest();
  52.             $request->attributes->add([
  53.                 '_controller' => [MaintenanceController::class, 'index'],
  54.             ]);
  56.             $event->setController(
  57.                 $this->resolver->getController($request)
  58.             );
  59.         }
  60.     }
  61. }