added refresh

src/app/interceptors/auth-interceptor.ts

@@ -1,16 +1,41 @@
-import { HttpInterceptorFn } from '@angular/common/http';
+import {
+    HttpInterceptorFn,
+    HttpErrorResponse
+} from '@angular/common/http';
 import { inject } from '@angular/core';
 import { AuthService } from '../services/auth.service';
+import { NzNotificationService } from 'ng-zorro-antd/notification';
+import { catchError, throwError } from 'rxjs';
 
 export const authInterceptor: HttpInterceptorFn = (req, next) => {
     const authService = inject(AuthService);
+    const notificationService = inject(NzNotificationService);
     const token = authService.getToken();
 
     if (token) {
         req = req.clone({
-            setHeaders: { Authorization: `Bearer ${token}` }
+            setHeaders: {Authorization: `Bearer ${token}`}
         });
     }
 
-    return next(req);
+    return next(req).pipe(
+        catchError((error: HttpErrorResponse) => {
+            if (error.status === 401) {
+                notificationService.error(
+                    'Session expirée',
+                    'Veuillez vous reconnecter.'
+                );
+                authService.logout?.();
+            }
+
+            if (error.status === 403) {
+                notificationService.error(
+                    'Accès refusé',
+                    'Vous n’avez pas les droits pour cette action.'
+                );
+            }
+
+            return throwError(() => error);
+        })
+    );
 };

src/app/services/auth.service.ts

@@ -26,4 +26,13 @@ export class AuthService {
     getToken(): string | null {
         return localStorage.getItem('jwt');
     }
+
+    setToken(token: string) {
+        localStorage.setItem('jwt', token);
+    }
+
+    logout() {
+        localStorage.removeItem('jwt');
+    }
+
 }