.

generic/views.py

@@ -71,6 +71,12 @@ import plotly.express as px
 # from rad.views import get_question_and_content_type
 from django.db.models import Prefetch
 
+class AuthorRequiredMixin(object):
+    def get_object(self, *args, **kwargs):
+        obj = super().get_object(*args, **kwargs)
+        if self.request.user not in obj.author.all():
+            raise PermissionDenied()  # or Http404
+        return obj
 
 class CidManagerRequiredMixin(UserPassesTestMixin):
     def test_func(self):