# 63 Refactoring

* refactors django User model to custom User model to provide further attributes and methods directly on the user model

konova/models/object.py

@@ -10,7 +10,7 @@ import uuid
 from abc import abstractmethod
 
 from django.contrib import messages
-from django.contrib.auth.models import User
+from user.models import User
 from django.core.exceptions import ObjectDoesNotExist
 from django.http import HttpRequest
 from django.utils.timezone import now
@@ -411,6 +411,11 @@ class ShareableObjectMixin(models.Model):
         users = User.objects.filter(
             id__in=accessing_users
         )
+        removed_users = self.users.all().exclude(
+            id__in=accessing_users
+        )
+        for user in removed_users:
+            user.send_mail_shared_access_removed(self)
         self.share_with_list(users)