src/EventSubscriber/LocaleSubscriber.php line 18

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  1. <?php declare(strict_types=1);
  2. namespace PPAdmin\EventSubscriber;
  4. use JetBrains\PhpStorm\ArrayShape;
  5. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  6. use Symfony\Component\HttpFoundation\RedirectResponse;
  7. use Symfony\Component\HttpKernel\Event\RequestEvent;
  8. use Symfony\Component\HttpKernel\KernelEvents;
  10. /**
  11.  * Allows overriding UI language by manual language switch
  12.  * @link https://symfony.com/doc/current/session/locale_sticky_session.html
  13.  */
  14. class LocaleSubscriber implements EventSubscriberInterface
  15. {
  16.     const LOCALE_KEY = '_locale';
  18.     public function onKernelRequest(RequestEvent $event)
  19.     {
  20.         $request = $event->getRequest();
  21.         if (
  22.             !$request->hasPreviousSession() ||
  23.             !$event->isMainRequest()
  24.         ) {
  25.             return;
  26.         }
  28.         $session = $request->getSession();
  29.         if ($locale = $request->get(self::LOCALE_KEY)) {
  30.             $session->set(self::LOCALE_KEY, $locale);
  31.             $response = new RedirectResponse($request->getPathInfo());
  32.             $event->setResponse($response);
  33.             return;
  34.         }
  36.         $locale = $session->get(self::LOCALE_KEY);
  37.         if($locale){
  38.             $request->setLocale($locale);
  39.         }
  40.     }
  42.     #[ArrayShape([KernelEvents::REQUEST => "array[]"])]
  43.     public static function getSubscribedEvents(): array
  44.     {
  45.         return [
  46.             // must be registered before (i.e. with a higher priority than) the default Locale listener
  47.             KernelEvents::REQUEST => [['onKernelRequest', 20]],
  48.         ];
  49.     }
  50. }