start taking more advantage of class based views

generic/models.py

@@ -26,7 +26,7 @@ from django.contrib.auth.models import User
 
 from django.db.models.signals import post_save
 from django.dispatch import receiver
-from generic.mixins import AuthorMixin
+from generic.mixins import AuthorMixin, QuestionMixin
 from helpers.images import get_image_hash, pretty_print_dicom
 from rad.settings import REMOTE_URL
 from django.utils.html import format_html
@@ -154,7 +154,7 @@ class Site(models.Model):
         return self.short_code
 
 
-class QuestionBase(models.Model, AuthorMixin):
+class QuestionBase(models.Model, AuthorMixin, QuestionMixin):
     authors_only = models.BooleanField(
         help_text="If true only question authors will be able to view.",
         default=False,
@@ -580,6 +580,15 @@ class ExamOrCollectionGenericBase(models.Model, AuthorMixin):
     class Meta:
         abstract = True
 
+    def get_app_name(self):
+        raise NotImplementedError("You must implement get_app_name in the derived class")
+
+    def get_base_template(self):
+        return f"{self.get_app_name()}/exams.html"
+
+    def get_link_headers(self):
+        return "generic/exam_link_headers.html"
+
     def check_user_can_edit(self, user: User):
         if user.is_superuser:
             return True