refactor: Creation d'un provider et d'un systeme de middleware

Front-End/src/middlewares/stackHandler.js

@@ -0,0 +1,20 @@
+import { NextResponse } from "next/server";
+
+export function stackMiddlewares(functions = []) {
+  return async (request, event) => {
+    let index = 0;
+
+    const next = async (req, evt) => {
+      const current = functions[index];
+      index++;
+
+      if (current) {
+        return current(next)(req, evt);
+      }
+
+      return NextResponse.next();
+    };
+
+    return next(request, event);
+  };
+}

Front-End/src/middlewares/withLocale.js

@@ -0,0 +1,42 @@
+import { NextResponse } from 'next/server';
+import createIntlMiddleware from 'next-intl/middleware';
+import { routing } from '@/i18n/routing';
+
+const withLocale = (next) => {
+  const intlMiddleware = createIntlMiddleware(routing);
+
+  return async (request, event) => {
+    const { pathname, search } = request.nextUrl;
+
+    // Ignorer les ressources statiques et API routes
+    if (pathname.startsWith('/_next') || pathname.startsWith('/api') || pathname.includes('.')) {
+      return next(request, event);
+    }
+
+    // Déterminer la locale
+    let locale = 'fr';
+    if (pathname.startsWith('/fr') || pathname.startsWith('/en')) {
+      locale = pathname.split('/')[1];
+    }
+
+    // Si pas de locale dans l'URL, rediriger vers /fr
+    if (!pathname.startsWith('/fr') && !pathname.startsWith('/en')) {
+      return NextResponse.redirect(new URL(`/fr${pathname}${search}`, request.url));
+    }
+
+    // Appliquer le middleware next-intl
+    const response = await intlMiddleware(request, event);
+    if (response) {
+      // Ajouter la locale aux headers
+      response.headers.set('x-locale', locale);
+      return response;
+    }
+
+    const nextResponse = await next(request, event);
+    // Ajouter la locale aux headers même pour les réponses suivantes
+    nextResponse.headers.set('x-locale', locale);
+    return nextResponse;
+  };
+};
+
+export { withLocale };