src/Wallabag/CoreBundle/Event/Listener/LocaleListener.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Event\Listener;
   4
   5 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   6 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
   7 use Symfony\Component\HttpKernel\KernelEvents;
   8
   9 /**
  10  * @see http://symfony.com/doc/current/cookbook/session/locale_sticky_session.html
  11  */
  12 class LocaleListener implements EventSubscriberInterface
  13 {
  14     private $defaultLocale;
  15
  16     public function __construct($defaultLocale = 'en')
  17     {
  18         $this->defaultLocale = $defaultLocale;
  19     }
  20
  21     public function onKernelRequest(GetResponseEvent $event)
  22     {
  23         $request = $event->getRequest();
  24         if (!$request->hasPreviousSession()) {
  25             return;
  26         }
  27
  28         // try to see if the locale has been set as a _locale routing parameter
  29         if ($locale = $request->attributes->get('_locale')) {
  30             $request->getSession()->set('_locale', $locale);
  31         } else {
  32             // if no explicit locale has been set on this request, use one from the session
  33             $request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
  34         }
  35     }
  36
  37     public static function getSubscribedEvents()
  38     {
  39         return [
  40             // must be registered before the default Locale listener
  41             KernelEvents::REQUEST => [['onKernelRequest', 17]],
  42         ];
  43     }
  44 }