Resolve "Student Feedback Serializer/View"

Closes #91 (closed)

merged

I think StudentInfo.objects.update('user__is_active'=active) would be faster.

That is exactly what i tried at first, unfortunately though:

The update() method is applied instantly, and the only restriction on the QuerySet that is updated is that it can only update columns in the model’s main table, not on related models. You can’t do this, for example:

Entry.objects.update(blog__name='foo') # Won't work!

https://docs.djangoproject.com/en/1.11/ref/models/querysets/#update

Ok, didn't know that. But User.objects.filter(role=STUDENT).update(is_active=active) should work then. (I admit this is partly cosmetics).