Add Event user registration

rog/views.py

@@ -1554,11 +1554,11 @@ class NewCategoryListView(generics.ListAPIView):
         """
         GETメソッドは認証不要、その他のメソッドは認証必要
         """
-        if self.action in ['list', 'retrieve']:
+        if self.request.method == 'GET':
             permission_classes = [permissions.AllowAny]
         else:
             permission_classes = [permissions.IsAuthenticated]
-        return [permission() for permission in permission_classes]
+        return [permission() for permission in permission_classes]        
 
 
 class CategoryViewSet(viewsets.ModelViewSet):