Manage locale in URL

composer.json

@@ -4,50 +4,51 @@
     "minimum-stability": "stable",
     "prefer-stable": true,
     "require":       {
-        "php":                        ">=8.1",
-        "ext-ctype":                  "*",
-        "ext-iconv":                  "*",
-        "doctrine/annotations":       "^2.0",
-        "doctrine/dbal":              "^3",
-        "doctrine/doctrine-bundle":   "^2.9",
+        "php":                      ">=8.1",
+        "ext-ctype":                "*",
+        "ext-iconv":                "*",
+        "doctrine/annotations":     "^2.0",
+        "doctrine/dbal":            "^3",
+        "doctrine/doctrine-bundle": "^2.9",
         "doctrine/doctrine-migrations-bundle": "^3.2",
-        "doctrine/orm":               "^2.15",
+        "doctrine/orm":             "^2.15",
         "phpdocumentor/reflection-docblock": "^5.3",
-        "phpstan/phpdoc-parser":      "^1.20",
+        "phpstan/phpdoc-parser":    "^1.20",
         "stof/doctrine-extensions-bundle": "^1.7",
-        "symfony/asset":              "6.4.*",
-        "symfony/asset-mapper":       "6.4.*",
-        "symfony/console":            "6.4.*",
+        "symfony/asset":            "6.4.*",
+        "symfony/asset-mapper":     "6.4.*",
+        "symfony/console":          "6.4.*",
         "symfony/doctrine-messenger": "6.4.*",
-        "symfony/dotenv":             "6.4.*",
+        "symfony/dotenv":           "6.4.*",
         "symfony/expression-language": "6.4.*",
-        "symfony/flex":               "^2",
-        "symfony/form":               "6.4.*",
-        "symfony/framework-bundle":   "6.4.*",
-        "symfony/http-client":        "6.4.*",
-        "symfony/intl":               "6.4.*",
-        "symfony/mailer":             "6.4.*",
-        "symfony/mime":               "6.4.*",
-        "symfony/monolog-bundle":     "^3.0",
-        "symfony/notifier":           "6.4.*",
-        "symfony/process":            "6.4.*",
-        "symfony/property-access":    "6.4.*",
-        "symfony/property-info":      "6.4.*",
-        "symfony/rate-limiter":       "6.4.*",
-        "symfony/runtime":            "6.4.*",
-        "symfony/security-bundle":    "6.4.*",
-        "symfony/serializer":         "6.4.*",
-        "symfony/string":             "6.4.*",
-        "symfony/translation":        "6.4.*",
-        "symfony/twig-bundle":        "6.4.*",
-        "symfony/validator":          "6.4.*",
-        "symfony/web-link":           "6.4.*",
-        "symfony/yaml":               "6.4.*",
-        "symfonycasts/sass-bundle":   "^0.6.0",
+        "symfony/flex":             "^2",
+        "symfony/form":             "6.4.*",
+        "symfony/framework-bundle": "6.4.*",
+        "symfony/http-client":      "6.4.*",
+        "symfony/intl":             "6.4.*",
+        "symfony/mailer":           "6.4.*",
+        "symfony/mime":             "6.4.*",
+        "symfony/monolog-bundle":   "^3.0",
+        "symfony/notifier":         "6.4.*",
+        "symfony/process":          "6.4.*",
+        "symfony/property-access":  "6.4.*",
+        "symfony/property-info":    "6.4.*",
+        "symfony/rate-limiter":     "6.4.*",
+        "symfony/runtime":          "6.4.*",
+        "symfony/security-bundle":  "6.4.*",
+        "symfony/serializer":       "6.4.*",
+        "symfony/string":           "6.4.*",
+        "symfony/translation":      "6.4.*",
+        "symfony/twig-bundle":      "6.4.*",
+        "symfony/validator":        "6.4.*",
+        "symfony/web-link":         "6.4.*",
+        "symfony/yaml":             "6.4.*",
+        "symfonycasts/sass-bundle": "^0.6.0",
         "symfonycasts/verify-email-bundle": "^1.17",
-        "twbs/bootstrap":             "^5.3",
-        "twig/extra-bundle":          "^3.0",
-        "twig/twig":                  "^3.0"
+        "twbs/bootstrap":           "^5.3",
+        "twig/extra-bundle":        "^3.0",
+        "twig/string-extra":        "^3.10",
+        "twig/twig":                "^3.0"
     },
     "config":        {
         "allow-plugins": {

config/packages/translation.yaml

@@ -1,5 +1,5 @@
 framework:
-    default_locale: en
+    default_locale: '%locale.default%'
     translator:
         default_path: '%kernel.project_dir%/translations'
         fallbacks:

config/routes.yaml

@@ -1,5 +1,10 @@
+core_root_redirect:
+    path: /
+    controller: App\Controller\CoreController::root_redirect
+
 controllers:
     resource:
         path: ../src/Controller/
         namespace: App\Controller
     type: attribute
+    prefix: /{_locale<%locale.all%>}

config/services.yaml

@@ -7,6 +7,9 @@ parameters:
     mailer.email: '%env(MAILER_EMAIL)%'
     mailer.name: '%env(MAILER_NAME)%'
 
+    locale.all: 'en|fr'
+    locale.default: 'en'
+
 services:
     # default configuration for services in *this* file
     _defaults:

src/Controller/CoreController.php

@@ -3,6 +3,7 @@
 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;
 
@@ -10,6 +11,19 @@ use Symfony\Component\Routing\Attribute\Route;
  * Controller for core page : home, etc.
  */
 class CoreController extends AbstractController {
+    /**
+     * Redirection for root URL (without locale)
+     *
+     * @param Request $request The request
+     *
+     * @return Response The response
+     */
+    public function root_redirect (Request $request): Response {
+        return $this->redirectToRoute('core_main', [
+            '_locale' => $request->getPreferredLanguage(explode('|', $this->getParameter('locale.all'))),
+        ]);
+    }
+
     /**
      * Home page
      *