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<?php |
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namespace Braunstetter\LocalizedRoutes\EventSubscriber; |
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\Routing\Route; |
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use Symfony\Component\Routing\RouteCollection; |
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use Symfony\Component\Routing\RouterInterface; |
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use Symfony\Component\VarDumper\VarDumper; |
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class LocaleRewriteSubscriber implements EventSubscriberInterface |
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{ |
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private RouteCollection $routeCollection; |
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private array $supportedLocales; |
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private mixed $localeRouteParam; |
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public function __construct(RouterInterface $router, ParameterBagInterface $parameterBag, $localeRouteParam = '_locale') |
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{ |
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$this->routeCollection = $router->getRouteCollection(); |
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$this->supportedLocales = explode('|', $parameterBag->get('app_locales')); |
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$this->localeRouteParam = $localeRouteParam; |
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} |
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public function onKernelRequest(RequestEvent $event) |
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{ |
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$request = $event->getRequest(); |
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$path = $request->getPathInfo(); |
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$route_exists = false; //by default assume route does not exist. |
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foreach ($this->routeCollection as $routeObject) { |
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/** @var Route $routeObject */ |
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$routePath = $routeObject->getPath(); |
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if ($routePath == "/{" . $this->localeRouteParam . "}" . $path) { |
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$route_exists = true; |
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break; |
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} |
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} |
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//If the route does indeed exist then lets redirect there. |
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if ($route_exists) { |
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//Get the locale from the user's browser. |
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$locale = $request->getPreferredLanguage() ? explode('_', $request->getPreferredLanguage())[0] : null; |
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//If no locale from browser or locale not in list of known locales supported then set to defaultLocale set in config.yml |
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if (!$locale || $locale == "" || !$this->isLocaleSupported($locale)) { |
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$locale = $request->getDefaultLocale(); |
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} |
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$event->setResponse(new RedirectResponse("/" . $locale . $path)); |
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} |
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} |
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public function isLocaleSupported($locale): bool |
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{ |
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$supportedLocale = array_filter($this->supportedLocales, function($supportedLocale) use ($locale) { |
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return in_array($supportedLocale, explode('_', $locale)); |
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}); |
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return !empty($supportedLocale); |
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} |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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'kernel.request' => 'onKernelRequest', |
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]; |
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} |
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} |
Braunstetter /
localized-routes
