Update app.py

app.py

@@ -93,34 +93,22 @@ def authenticate():
         'You have to login with proper credentials', 401,
         {'WWW-Authenticate': 'Basic realm="Login Required"'})
 
-def protected(f):
-    @wraps(f)
-    def decorated(*args, **kwargs):
-        auth = request.authorization
-        if not auth or not check_auth(auth.username, auth.password):
-            return authenticate()
-        return f(*args, **kwargs)
-    return decorated
-
 
-# --- PENGATURAN ADMIN PANEL (VERSI DIPERBAIKI) ---
+# --- PENGATURAN ADMIN PANEL (VERSI BENAR & FINAL) ---
 
-# Buat kelas dasar yang aman untuk semua view admin
-class SecureView:
-    @protected
-    def dispatch_request(self, *args, **kwargs):
-        # Memanggil implementasi asli dari dispatch_request
-        return super().dispatch_request(*args, **kwargs)
+class AuthMixin:
+    """Mixin untuk menambahkan autentikasi ke view admin."""
+    def is_accessible(self):
+        auth = request.authorization
+        return auth and check_auth(auth.username, auth.password)
 
-# Gabungkan keamanan dengan kelas bawaan Flask-Admin
-class SecureAdminIndexView(SecureView, AdminIndexView):
-    pass
+    def inaccessible_callback(self, name, **kwargs):
+        return authenticate()
 
-class SecureModelView(SecureView, ModelView):
+class SecureModelView(AuthMixin, ModelView):
     pass
 
-# Dashboard View sekarang hanya fokus pada logika tampilan
-class DashboardView(SecureAdminIndexView):
+class DashboardView(AuthMixin, AdminIndexView):
     def get_sales_data(self):
         """Query data penjualan untuk 7 hari terakhir."""
         today = date.today()