.

physics/templates/physics/exam_take.html

@@ -116,9 +116,6 @@
                 //$("ul.physics-answer-list li[data-ans='{{question.best_answer}}']").addClass("correct");
             {% endif %}
 
-            {% comment %} {% if saved_answer %}
-                $("ul.physics-answer-list li[data-ans='{{saved_answer}}']").addClass("selected"); {% endif %} {% endcomment %}
-
             for (let i = 0; i < {{ exam_length }}; i++) {
                 $("#menu-list").append($(
                     `<button class="question-menu-item" name="goto-${i}" data-qn="${i}">${i+1}</button>`));

physics/views.py

@@ -47,7 +47,11 @@ from rest_framework.pagination import PageNumberPagination
 from django.core.exceptions import PermissionDenied
 
 from .forms import CidUserAnswerForm, ExamForm
-from .decorators import user_is_author_or_physics_checker, user_is_exam_author_or_physics_checker
+from .decorators import (
+    user_is_author_or_physics_checker,
+    user_is_exam_author_or_physics_checker,
+)
+
 
 class AuthorOrCheckerRequiredMixin(object):
     def get_object(self, *args, **kwargs):
@@ -58,6 +62,7 @@ class AuthorOrCheckerRequiredMixin(object):
             raise PermissionDenied()  # or Http404
         return obj
 
+
 def question_list(request):
     questions = Question.objects.all()
     return render(request, "physics/question_list.html", {"questions": questions})
@@ -196,7 +201,6 @@ def exam_scores_cid_user(request, pk, sk):
     answers_marks = []
     answers = []
 
-
     view_all_results = False
     if request.user.groups.filter(name="view_all_results").exists():
         view_all_results = True
@@ -258,6 +262,7 @@ def exam_take_old(request, pk):
         },
     )
 
+
 def exam_start(request, pk):
     exam = get_object_or_404(Exam, pk=pk)
 
@@ -272,13 +277,13 @@ def exam_start(request, pk):
         },
     )
 
+
 def exam_finish(request, pk, cid):
     exam = get_object_or_404(Exam, pk=pk)
 
     questions = exam.exam_questions.all()
 
-    answers = CidUserAnswer.objects.filter(
+    answers = CidUserAnswer.objects.filter(cid=cid, exam=exam)
-        cid=cid, exam=exam)
 
     answer_question_map = {}
     for ans in answers:
@@ -287,8 +292,8 @@ def exam_finish(request, pk, cid):
     question_answer_tuples = []
     answer_count = 0
     for q in questions:
-        #if q in answer_question_map and answer_question_map[q].answer:
+        # if q in answer_question_map and answer_question_map[q].answer:
-        if q in answer_question_map: # might need to improve this
+        if q in answer_question_map:  # might need to improve this
             question_answer_tuples.append((q, answer_question_map[q]))
             answer_count += 1
         else:
@@ -309,6 +314,7 @@ def exam_finish(request, pk, cid):
         },
     )
 
+
 def exam_take(request, pk, sk, cid):
 
     exam = get_object_or_404(Exam, pk=pk)
@@ -322,15 +328,14 @@ def exam_take(request, pk, sk, cid):
 
     pos = exam.get_question_index(question)
 
-    answer = question.cid_user_answers.filter(
+    answer = question.cid_user_answers.filter(cid=cid, exam=exam).first()
-        cid=cid, exam=exam).first()
 
     if request.method == "POST":
         if answer:
             form = CidUserAnswerForm(request.POST, instance=answer)
         else:
             form = CidUserAnswerForm(request.POST)
-        if form.is_valid():
+        if form.is_valid() and not exam.publish_results:
             answer = form.save(commit=False)
             answer.cid = cid
             answer.question = question
@@ -344,7 +349,9 @@ def exam_take(request, pk, sk, cid):
         elif "finish" in request.POST:
             return redirect("physics:exam_finish", pk=pk, cid=cid)
         elif "goto" in request.POST:
-            return redirect("physics:exam_take", pk=pk, sk=int(request.POST.get("goto")), cid=cid)
+            return redirect(
+                "physics:exam_take", pk=pk, sk=int(request.POST.get("goto")), cid=cid
+            )
     else:
         form = CidUserAnswerForm(instance=answer)
 
@@ -359,7 +366,6 @@ def exam_take(request, pk, sk, cid):
     if answer is not None:
         saved_answer = [answer.a, answer.b, answer.c, answer.d, answer.e]
 
-
     return render(
         request,
         "physics/exam_take.html",
@@ -372,10 +378,10 @@ def exam_take(request, pk, sk, cid):
             "previous": previous,
             "exam_length": exam_length,
             "pos": pos,
-            "saved_answer": saved_answer,
         },
     )
 
+
 def loadJsonAnswer(answer):
     # As access is not restricted make sure the data appears valid
     if (not isinstance(answer["cid"], int)) or (not isinstance(answer["eid"], int)):
@@ -388,7 +394,7 @@ def loadJsonAnswer(answer):
 
     exam = get_object_or_404(Exam, pk=answer["eid"])
 
-    #if not exam.active:
+    # if not exam.active:
     #    return False, JsonResponse(
     #        {"success": False, "error": "No active exam: {}".format(answer["eid"])}
     #    )
@@ -432,10 +438,12 @@ def loadJsonAnswer(answer):
 
     return True, None
 
+
 PhysicsExamViews = ExamViews(Exam, Question, "physics", "physics", loadJsonAnswer)
 
 GenericViews = GenericViewBase("physics", Question, CidUserAnswer, Exam)
 
+
 class ExamCreate(RevisionMixin, LoginRequiredMixin, CreateView):
     model = Exam
     form_class = ExamForm
@@ -447,21 +455,28 @@ class ExamCreate(RevisionMixin, LoginRequiredMixin, CreateView):
         form.instance.author.add(self.request.user.id)
         return super().form_valid(form)
 
+
 class ExamClone(AuthorOrCheckerRequiredMixin, ExamCloneMixin, ExamCreate):
     """Clone exam view"""
 
-class QuestionView(LoginRequiredMixin, SingleTableMixin, FilterView, AuthorOrCheckerRequiredMixin):
+
+class QuestionView(
+    LoginRequiredMixin, SingleTableMixin, FilterView, AuthorOrCheckerRequiredMixin
+):
     model = Question
     table_class = QuestionTable
     template_name = "physics/question_view.html"
 
     filterset_class = QuestionFilter
 
+
 class UserAnswerView(AuthorOrCheckerRequiredMixin, LoginRequiredMixin, DetailView):
     model = CidUserAnswer
 
 
-class UserAnswerTableView(AuthorOrCheckerRequiredMixin, LoginRequiredMixin, SingleTableMixin, FilterView):
+class UserAnswerTableView(
+    AuthorOrCheckerRequiredMixin, LoginRequiredMixin, SingleTableMixin, FilterView
+):
     model = CidUserAnswer
     table_class = UserAnswerTable
     template_name = "physics/user_answer_question_view.html"