src/Aqarmap/Bundle/MainBundle/Locale/DefaultLocaleResolver.php line 40

  1. <?php
  3. namespace Aqarmap\Bundle\MainBundle\Locale;
  5. use JMS\I18nRoutingBundle\Router\LocaleResolverInterface;
  6. use Symfony\Component\HttpFoundation\Request;
  8. /**
  9. * Default Locale Resolver.
  10. */
  11. class DefaultLocaleResolver implements LocaleResolverInterface
  12. {
  13. public function __construct(private readonly string $cookieName, $acceptHeaderLanguages = true, private array $hostMap = [])
  14. {
  15. }
  17. public function resolveLocale(Request $request, array $availableLocales): ?string
  18. {
  19. if ($this->hostMap && isset($this->hostMap[$host = $request->getHost()])) {
  20. return $this->hostMap[$host];
  21. }
  23. // if a locale has been specifically set as a query parameter, use it
  24. if ($request->query->has('hl')) {
  25. $hostLanguage = $request->query->get('hl');
  27. if (preg_match('#^[a-z]{2}(?:_[a-z]{2})?$#i', $hostLanguage)) {
  28. return $hostLanguage;
  29. }
  30. }
  32. // check if a session exists, and if it contains a locale
  33. if ($request->hasPreviousSession()) {
  34. $session = $request->getSession();
  35. if ($session->has('_locale')) {
  36. return $session->get('_locale');
  37. }
  38. }
  40. // if user sends a cookie, use it
  41. if ($request->cookies->has($this->cookieName)) {
  42. $hostLanguage = $request->cookies->get($this->cookieName);
  44. if (preg_match('#^[a-z]{2}(?:_[a-z]{2})?$#i', $hostLanguage)) {
  45. return $hostLanguage;
  46. }
  47. }
  49. return null;
  50. }
  51. }