Enhance exam overview and fragment by adding question status indicators for answered and flagged questions

physics/views.py

@@ -186,12 +186,23 @@ def exam_take_overview(request, pk, cid=None, passcode=None):
     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:  # might need to improve this
-            question_answer_tuples.append((q, answer_question_map[q]))
+        if q in answer_question_map:
+            ans = answer_question_map[q]
             answer_count += 1
         else:
-            question_answer_tuples.append((q, None))
+            ans = None
+        # compute flagged state for this question+actor
+        try:
+            ct = ContentType.objects.get_for_model(q)
+            flags_qs = Flag.objects.filter(content_type=ct, object_id=q.pk)
+            if cid is not None:
+                flags_qs = flags_qs.filter(cid_user__cid=cid)
+            else:
+                flags_qs = flags_qs.filter(user=request.user)
+            flagged = flags_qs.exists()
+        except Exception:
+            flagged = False
+        question_answer_tuples.append((q, ans, flagged))
 
     cid_user_exam = exam.get_or_create_cid_user_exam(cid=cid, user_user=request.user)
 
@@ -380,6 +391,17 @@ def exam_take(request, pk: int, sk: int, cid: str | None = None, passcode: str |
             "passcode": passcode,
             "cid_user_exam": cid_user_exam,
             "flagged": flagged,
+            # minimal per-question status for client-side menu: answered/flagged lists
+            "answered_json": json.dumps([
+                True if (question.cid_user_answers.filter(cid=cid, exam=exam).exists() if cid is not None else question.cid_user_answers.filter(user=request.user, exam=exam).exists()) else False
+                for question in questions
+            ]),
+            "flagged_json": json.dumps([
+                (Flag.objects.filter(content_type=ContentType.objects.get_for_model(question), object_id=question.pk).filter(cid_user__cid=cid).exists()
+                 if cid is not None
+                 else Flag.objects.filter(content_type=ContentType.objects.get_for_model(question), object_id=question.pk).filter(user=request.user).exists())
+                for question in questions
+            ]),
         },
     )