src/EventSubscriber/LocaleSubscriber.php line 25

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use App\Form\Model\Settings;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\HttpKernel\Event\RequestEvent;
  8. use Symfony\Component\HttpKernel\KernelEvents;
  9. use Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage;
  10. use Symfony\Component\Security\Core\User\UserInterface;
  11. use Symfony\Contracts\Translation\TranslatorInterface;
  13. class LocaleSubscriber implements EventSubscriberInterface
  14. {
  15.     /**
  16.      * LocaleSubscriber constructor.
  17.      */
  18.     public function __construct(
  19.         protected UsageTrackingTokenStorage $tokenStorage,
  20.         protected TranslatorInterface $translator,
  21.         private string $defaultLocale = 'en'
  22.     ) {
  23.     }
  25.     public function onKernelRequest(RequestEvent $event): void
  26.     {
  27.         $route = $event->getRequest()->get('_route');
  29.         if ('front' != substr((string) $route, 0, 5)) {
  30.             $settings = new Settings();
  31.             $request  = $event->getRequest();
  32.             if (!$request->hasPreviousSession()) {
  33.                 return;
  34.             }
  36.             $locale = $request->attributes->get('_locale');
  38.             /** @var UserInterface $user */
  39.             $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
  41.             if (null !== $user && 'anon.' != $user) {
  42.                 if (method_exists($user, 'getPreferredLanguage') && $user->getPreferredLanguage()) {
  43.                     $locale = $user->getPreferredLanguage();
  44.                 } else {
  45.                     $locale = $settings->getPreferredLanguage();
  46.                 }
  47.             }
  48.             if ($locale != $request->attributes->get('_locale')) {
  49.                 $request->getSession()->set('_locale', $locale);
  50.                 $request->setLocale($locale);
  51.                 $this->translator->setLocale($locale);
  52.             } else {
  53.                 $request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
  54.             }
  55.         }
  56.     }
  58.     public static function getSubscribedEvents(): array
  59.     {
  60.         return [
  61.             KernelEvents::REQUEST => [['onKernelRequest', 1]],
  62.         ];
  63.     }
  64. }