Raphaël G. Git Repositories - airbundle/blob - EventSubscriber/FacebookSubscriber.php

   1 <?php
   2
   3 namespace Rapsys\AirBundle\EventSubscriber;
   4
   5 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   6 use Symfony\Component\HttpKernel\Event\ControllerEvent;
   7 use Symfony\Component\HttpKernel\Event\RequestEvent;
   8 use Symfony\Component\HttpKernel\Event\ResponseEvent;
   9 use Symfony\Component\HttpKernel\KernelEvents;
  10 use Symfony\Component\Routing\RouterInterface;
  11
  12 class FacebookSubscriber implements EventSubscriberInterface {
  13         ///Supported locales array
  14         private $locales;
  15
  16         ///Router instance
  17         private $router;
  18
  19         /*
  20          * Inject router interface and locales
  21          *
  22          * @param RouterInterface $router The router instance
  23          * @param array $locales The supported locales
  24          */
  25         public function __construct(RouterInterface $router, array $locales) {
  26                 //Set locales
  27                 $this->locales = $locales;
  28
  29                 //Set router
  30                 $this->router = $router;
  31         }
  32
  33         /**
  34          * Change locale for request with ?fb_locale=xx
  35          *
  36          * @param RequestEvent The request event
  37          */
  38         public function onKernelRequest(RequestEvent $event) {
  39                 //Retrieve request
  40                 $request = $event->getRequest();
  41
  42                 //Check for facebook locale
  43                 if (
  44                         $request->query->has('fb_locale') &&
  45                         in_array($preferred = $request->query->get('fb_locale'), $this->locales)
  46                 ) {
  47                         //Set locale
  48                         $request->setLocale($preferred);
  49
  50                         //Set default locale
  51                         $request->setDefaultLocale($preferred);
  52
  53                         //Get router context
  54                         $context = $this->router->getContext();
  55
  56                         //Set context locale
  57                         $context->setParameter('_locale', $preferred);
  58
  59                         //Set back router context
  60                         $this->router->setContext($context);
  61                 }
  62         }
  63
  64         /**
  65          * Get subscribed events
  66          *
  67          * @return array The subscribed events
  68          */
  69         public static function getSubscribedEvents() {
  70                 return [
  71                         // must be registered before the default locale listener
  72                         KernelEvents::REQUEST => [['onKernelRequest', 10]]
  73                 ];
  74         }
  75 }