vendor/logist/maintenance-bundle/src/LogistMaintenanceBundle/EventListener/MaintenanceListener.php line 32

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  1. <?php
  3. namespace LogistMaintenanceBundle\EventListener;
  5. use Symfony\Component\HttpFoundation\Response;
  7. use LogistMaintenanceBundle\Service\LogistMaintenancePlaceholderService;
  10. class MaintenanceListener
  11. {
  12.     const MAINTENANCE_ERROR_CODE = 503;
  14.     /**
  15.      * @var boolean
  16.      */
  17.     protected $isTriggered = FALSE;
  19.     /**
  20.      * @var LogistMaintenancePlaceholderService
  21.      */
  22.     protected $placeholderService;
  24.     /**
  25.      * @param LogistMaintenancePlaceholderService $placeholderService
  26.      */
  27.     public function __construct(LogistMaintenancePlaceholderService $placeholderService)
  28.     {
  29.         $this->placeholderService = $placeholderService;
  30.     }
  32.     public function onKernelRequest($event)
  33.     {
  34.         if(
  35.             ($this->placeholderService->getMode() === LogistMaintenancePlaceholderService::MODE_ENABLED)
  36.             && !$this->isTriggered // to prevent endless loop with render controller in template
  37.         ){
  38.             $this->isTriggered = TRUE;
  39.             $body = $this->placeholderService->renderPlaceholder();       
  40.             $response = new Response(
  41.                 $body, 
  42.                 LogistMaintenancePlaceholderService::MAINTENANCE_ERROR_CODE, 
  43.                 ['Content-Type' => 'text/html']
  44.             );
  45.             $event->setResponse($response);
  46.             $event->stopPropagation();
  47.         }
  48.     }
  49. }