.

longs/views.py

@@ -632,8 +632,6 @@ def loadJsonAnswer(answer):
 
     return True, None
 
-
-@login_required
 @user_is_long_marker
 @reversion.create_revision()
 def mark_answer(request, exam_id, question_number, cid):
@@ -682,7 +680,7 @@ def mark_answer(request, exam_id, question_number, cid):
 
     # We use different forms if the exam should be single or double marked
 
-    if not exam.double_mark:
+    if not exam.double_mark or (request.method == "POST" and request.POST['form_id'] == 'discrepancy_form'):
         if request.method == "POST":
             form = MarkLongQuestionSingleForm(request.POST)
 
@@ -751,6 +749,12 @@ def mark_answer(request, exam_id, question_number, cid):
             except AnswerMarks.DoesNotExist:
                 form = MarkLongQuestionDoubleForm()
 
+    discrepancy_form = False
+    if answer.mark.count() == 2:
+        # if they do automatically update teh scoer
+        marks = set(answer.mark.values_list("score", flat=True))
+        if len(marks) > 1:
+            discrepancy_form = MarkLongQuestionSingleForm(initial={'score': answer.score })
 
     return render(
         request,
@@ -758,6 +762,7 @@ def mark_answer(request, exam_id, question_number, cid):
         {
             "exam": exam,
             "form": form,
+            "discrepancy_form": discrepancy_form,
             "answer": answer,
             "question": question,
             "question_details": question_details,