fix question ordering through mark systems

sbas/views.py

@@ -121,7 +121,7 @@ def exam_take_overview(request, pk, cid=None, passcode=None):
 
     exam.check_user_can_take(cid, passcode, request.user)
 
-    questions = exam.exam_questions.all()
+    questions = exam.get_questions()
 
     if cid is not None:
         answers = UserAnswer.objects.filter(cid=cid, exam=exam)
@@ -168,7 +168,7 @@ def exam_take(request, pk: int, sk: int, cid: int = None, passcode: str = None):
 
     cid_user_exam = exam.get_or_create_cid_user_exam(cid = cid, user_user=request.user)
 
-    question = exam.exam_questions.all()[sk]
+    question = exam.get_questions()[sk]
 
     exam_length = len(exam.exam_questions.all())
 
@@ -328,12 +328,6 @@ class QuestionUpdate(RevisionMixin, AuthorOrCheckerRequiredMixin, UpdateView):
         return context
 
     def form_valid(self, form):
-        # save exam orders (there must be a better way to do this)
-        # exam_orders = {}
-        # for exam in self.object.exams.all():
-        #    exam_orders[exam] = list(exam.exam_questions.all())
-        #    print(exam_orders[exam])
-
         self.object = form.save(commit=False)
         self.object.save()