src/EventListener/LocaleListener.php line 39

Open in your IDE?
  1. <?php
  3. namespace App\EventListener;
  5. use App\Application\Service\Session\SessionService;
  6. use App\Entity\System\Customer;
  7. use App\Service\EnvironmentService;
  8. use Doctrine\ORM\NonUniqueResultException;
  9. use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
  10. use Symfony\Component\HttpFoundation\Request;
  11. use Symfony\Component\HttpKernel\Event\RequestEvent;
  12. use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
  13. use Symfony\Contracts\Translation\TranslatorInterface;
  15. class LocaleListener
  16. {
  17.     private TranslatorInterface $translator;
  18.     private TokenStorageInterface $tokenStorage;
  19.     private EnvironmentService $environmentService;
  20.     private SessionService $sessionService;
  21.     private string $defaultLocale;
  22.     private array $locales;
  24.     public function __construct(
  25.         TranslatorInterface $translator,
  26.         TokenStorageInterface $tokenStorage,
  27.         ParameterBagInterface $parameterBag,
  28.         EnvironmentService $environmentService,
  29.         SessionService $sessionService
  30.     ) {
  31.         $this->translator = $translator;
  32.         $this->tokenStorage = $tokenStorage;
  33.         $this->environmentService = $environmentService;
  34.         $this->sessionService = $sessionService;
  35.         $this->defaultLocale = $parameterBag->get('locale');
  36.         $this->locales = $parameterBag->get('locales');
  37.     }
  39.     public function onKernelRequest(RequestEvent $event): void
  40.     {
  41.         if ($this->environmentService->isApi()) {
  42.             return;
  43.         }
  45.         $request = $event->getRequest();
  47.         $urlLocale = $this->getLocaleFromUrl($request);
  49.         if ($urlLocale) {
  50.             $this->setLocale($urlLocale, $request);
  52.             return;
  53.         }
  55.         $browserLocale = $this->getLocaleFromBrowser($request);
  57.         if ($browserLocale && str_contains($request->attributes->get('_route'), 'front_api')) {
  58.             $this->setLocale($browserLocale, $request);
  60.             return;
  61.         }
  63.         $sessionLocale = $request->getSession()->get('lang');
  65.         if (!$sessionLocale) {
  66.             if ($this->tokenStorage->getToken()) {
  67.                 /** @var Customer $user */
  68.                 $user = $this->tokenStorage->getToken()->getUser();
  69.                 $userLocale = $user->getLanguage()->getIsoCode();
  70.                 $this->setLocale($userLocale, $request);
  72.                 return;
  73.             }
  75.             $locale = $browserLocale ?: $this->defaultLocale;
  77.             $this->setLocale($locale, $request);
  79.             return;
  80.         }
  82.         $this->setLocale($sessionLocale, $request);
  83.     }
  85.     /**
  86.      * @throws NonUniqueResultException
  87.      */
  88.     private function setLocale(string $locale, Request $request): void
  89.     {
  90.         $request->setLocale($locale);
  91.         $this->translator->setLocale($locale);
  93.         $this->sessionService->setLocaleParameters($locale);
  94.     }
  96.     private function getLocaleFromBrowser(Request $request): ?string
  97.     {
  98.         if ($request->getLanguages()) {
  99.             return $request->getPreferredLanguage($this->locales);
  100.         }
  102.         return null;
  103.     }
  105.     private function isLocaleSupported(string $locale): bool
  106.     {
  107.         return \in_array($locale, $this->locales, true);
  108.     }
  110.     private function getLocaleFromUrl(Request $request): ?string
  111.     {
  112.         $urlArray = \explode('/', $request->getPathInfo());
  114.         if (is_array($urlArray) && isset($urlArray[1]) && $this->isLocaleSupported($urlArray[1])) {
  115.             return $urlArray[1];
  116.         }
  118.         $lang = $request->get('lang');
  120.         if ($lang && $this->isLocaleSupported($lang)) {
  121.             return $lang;
  122.         }
  124.         return null;
  125.     }
  126. }