ajout isadmin check

client/src/App.tsx

@@ -34,7 +34,7 @@ import Stats from './pages/Admin/Stats';
 const App: React.FC = () => {
     const [isAuthenticated, setIsAuthenticated] = useState(ApiService.isLoggedIn());
     const [isTeacherAuthenticated, setIsTeacherAuthenticated] = useState(ApiService.isLoggedInTeacher());
-    //const [isAdmin, setIsAdmin] = useState(false);
+    const [isAdmin, setIsAdmin] = useState(false);
     const [isRoomRequireAuthentication, setRoomsRequireAuth] = useState(null);
     const location = useLocation();
 
@@ -43,7 +43,7 @@ const App: React.FC = () => {
         const checkLoginStatus = () => {
             setIsAuthenticated(ApiService.isLoggedIn());
             setIsTeacherAuthenticated(ApiService.isLoggedInTeacher());
-            //setIsAdmin(ApiService.isAdmin());
+            setIsAdmin(ApiService.isAdmin());
         };
 
         const fetchAuthenticatedRooms = async () => {
@@ -63,7 +63,7 @@ const App: React.FC = () => {
 
     return (
         <div className="content">
-            <Header isLoggedIn={isAuthenticated} isAdmin={true} handleLogout={handleLogout} />
+            <Header isLoggedIn={isAuthenticated} isAdmin={isAdmin} handleLogout={handleLogout} />
             <div className="app">
                 <main>
                     <Routes>

client/src/services/ApiService.tsx

@@ -120,6 +120,27 @@ class ApiService {
         }
     }
 
+    public isAdmin(): boolean {
+        let isAdmin = false;
+        const token = this.getToken();
+
+        if (token == null) {
+            return isAdmin;
+        }
+
+        try {
+            const jsonObj = jwtDecode(token) as { roles: string[] };
+
+            if (jsonObj.roles.includes('admin')) {
+                isAdmin = true;
+            }
+            return isAdmin;
+        } catch (error) {
+            console.error("Error decoding token:", error);
+            return isAdmin;
+        }
+    }
+
     public saveUsername(username: string): void {
         if (!username || username.length === 0) {
             return;