add markers to exams (move away from group based to content based permissions)

sbas/views.py

@@ -61,6 +61,7 @@ from .tables import QuestionTable, UserAnswerTable
 from .filters import QuestionFilter, UserAnswerFilter
 
 from .forms import (
+    ExamMarkerForm,
     QuestionForm,
     ExamForm,
 )
@@ -429,6 +430,14 @@ class ExamAuthorUpdate(
 
     template_name = "author_form.html"
 
+class ExamMarkersUpdate(
+    RevisionMixin, CheckCanEditMixin, LoginRequiredMixin, AuthorRequiredMixin, UpdateView
+):
+    model = Exam
+    form_class = ExamMarkerForm
+
+    template_name = "markers_form.html"
+
 class ExamClone(ExamCloneMixin, ExamCreate):
     """Clone exam view"""