ajout des traductions en et fr

src/Controller/SettingController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Translation\LocaleSwitcher;
+
+class SettingController extends AbstractController
+{
+    #[Route('/setting/{locale}', name: 'app_setting_locale')]
+    public function index(LocaleSwitcher $localeSwitcher, string $locale, Request $request): Response
+    {
+        $localeSwitcher->setLocale($locale);
+        $request->getSession()->set('_locale', $locale);
+        return $this->redirectToRoute('app_posts');
+    }
+}

src/EventListener/LocaleListener.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\EventListener;
+
+use Symfony\Component\EventDispatcher\Attribute\AsEventListener;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+final class LocaleListener
+{
+    #[AsEventListener(event: KernelEvents::REQUEST)]
+    public function onKernelRequest(RequestEvent $event): void
+    {
+        $request = $event->getRequest();
+        $request->setLocale($request->getSession()->get('_locale', 'en'));
+    }
+}