src/EventListener/LocaleListener.php line 44

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  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;
  19.     private TokenStorageInterface $tokenStorage;
  21.     private EnvironmentService $environmentService;
  23.     private SessionService $sessionService;
  25.     private string $defaultLocale;
  27.     private array $locales;
  29.     public function __construct(
  30.         TranslatorInterface $translator,
  31.         TokenStorageInterface $tokenStorage,
  32.         ParameterBagInterface $parameterBag,
  33.         EnvironmentService $environmentService,
  34.         SessionService $sessionService
  35.     ) {
  36.         $this->translator = $translator;
  37.         $this->tokenStorage = $tokenStorage;
  38.         $this->environmentService = $environmentService;
  39.         $this->sessionService = $sessionService;
  40.         $this->defaultLocale = $parameterBag->get('locale');
  41.         $this->locales = $parameterBag->get('locales');
  42.     }
  44.     public function onKernelRequest(RequestEvent $event): void
  45.     {
  46.         if ($this->environmentService->isApi()) {
  47.             return;
  48.         }
  50.         $request = $event->getRequest();
  52.         $urlLocale = $this->getLocaleFromUrl($request);
  54.         if ($urlLocale) {
  55.             $this->setLocale($urlLocale, $request);
  57.             return;
  58.         }
  60.         $browserLocale = $this->getLocaleFromBrowser($request);
  62.         if (!$request->getSession()->get('lang')) {
  63.             if ($this->tokenStorage->getToken()) {
  64.                 /** @var Customer $user */
  65.                 $user = $this->tokenStorage->getToken()->getUser();
  66.                 $userLocale = $user->getLanguage()->getIsoCode();
  67.                 $this->setLocale($userLocale, $request);
  69.                 return;
  70.             }
  72.             $locale = $browserLocale ?: $this->defaultLocale;
  74.             $this->setLocale($locale, $request);
  75.         }
  76.     }
  78.     /**
  79.      * @throws NonUniqueResultException
  80.      */
  81.     private function setLocale(string $locale, Request $request): void
  82.     {
  83.         $request->setLocale($locale);
  84.         $this->translator->setLocale($locale);
  86.         $this->sessionService->setLocaleParameters($locale);
  87.     }
  89.     private function getLocaleFromBrowser(Request $request): ?string
  90.     {
  91.         return $request->getPreferredLanguage($this->locales);
  92.     }
  94.     private function isLocaleSupported(string $locale): bool
  95.     {
  96.         return \in_array($locale, $this->locales, true);
  97.     }
  99.     private function getLocaleFromUrl(Request $request): ?string
  100.     {
  101.         $urlArray = \explode('/', $request->getPathInfo());
  103.         if (
  104.             is_array($urlArray)
  105.             && isset($urlArray[1])
  106.             && $this->isLocaleSupported($urlArray[1])
  107.         ) {
  108.             return $urlArray[1];
  109.         }
  111.         return $request->getSession()->get('lang') ?: null;
  112.     }
  113. }