Add aggregated response summary and user answer filtering in exam review

generic/views.py

@@ -1216,6 +1216,53 @@ class ExamViews(View, LoginRequiredMixin):
             "can_edit": self.check_user_edit_access(request.user, exam_id=pk),
         }
 
+        # Compute aggregated response summary for this question within the current exam.
+        # Add counts and percentages to the context so fragments (e.g. SBAS) can display them.
+        try:
+            if hasattr(question, "cid_user_answers"):
+                ua_qs = question.cid_user_answers.filter(exam=exam)
+                total_responses = ua_qs.count()
+                counts = {}
+                for ans in ua_qs.values_list("answer", flat=True):
+                    counts[ans] = counts.get(ans, 0) + 1
+
+                # Compute percentages per answer key
+                pcts = {}
+                if total_responses:
+                    for k, v in counts.items():
+                        pcts[k] = round(100.0 * v / total_responses, 1)
+                else:
+                    for k in counts.keys():
+                        pcts[k] = 0.0
+
+                # If the question exposes a best_answer, compute correct count
+                correct_count = None
+                if hasattr(question, "best_answer") and question.best_answer:
+                    correct_count = ua_qs.filter(answer=question.best_answer).count()
+                else:
+                    correct_count = None
+
+                # percent correct
+                correct_pct = None
+                if correct_count is not None and total_responses:
+                    try:
+                        correct_pct = round(100.0 * correct_count / total_responses, 1)
+                    except Exception:
+                        correct_pct = None
+
+                context.update(
+                    {
+                        "exam_response_counts": counts,
+                        "exam_response_pcts": pcts,
+                        "exam_response_total": total_responses,
+                        "exam_response_correct_count": correct_count,
+                        "exam_response_correct_pct": correct_pct,
+                    }
+                )
+        except Exception:
+            # Best-effort: don't fail the review page if aggregation errors occur
+            pass
+
         # Choose an app-specific fragment if present, otherwise fall back to
         # the generic fragment. Expose the chosen fragment name in the
         # context so the full-page render can include it; return the fragment

sbas/templates/sbas/partials/exam_review_question_fragment.html

@@ -109,6 +109,51 @@
             <a class="btn btn-sm btn-outline-secondary" href="{% url app_name|add:':question_detail' question.pk %}" target="_blank">View full question details</a>
         </p>
 
+        {# Aggregated summary: always shown if aggregation context is available #}
+        <div class="mt-3">
+            <h6>Response summary</h6>
+            {% if exam_response_total %}
+                <div class="small text-muted mb-2">Total responses: {{ exam_response_total }}</div>
+                <div class="row mb-2">
+                    <div class="col-auto">Correct:</div>
+                    <div class="col">
+                        {% if exam_response_correct_count is not None %}
+                            <strong>{{ exam_response_correct_count }}</strong>
+                            {% if exam_response_correct_pct is not None %}
+                                <span class="text-muted">({{ exam_response_correct_pct }}%)</span>
+                            {% endif %}
+                        {% else %}
+                            <span class="text-muted">N/A</span>
+                        {% endif %}
+                    </div>
+                </div>
+                <div class="list-group">
+                    <div class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>A</div>
+                        <div><span class="me-2">{{ exam_response_counts.a|default:0 }}</span><small class="text-muted">{{ exam_response_pcts.a|default:0 }}%</small></div>
+                    </div>
+                    <div class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>B</div>
+                        <div><span class="me-2">{{ exam_response_counts.b|default:0 }}</span><small class="text-muted">{{ exam_response_pcts.b|default:0 }}%</small></div>
+                    </div>
+                    <div class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>C</div>
+                        <div><span class="me-2">{{ exam_response_counts.c|default:0 }}</span><small class="text-muted">{{ exam_response_pcts.c|default:0 }}%</small></div>
+                    </div>
+                    <div class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>D</div>
+                        <div><span class="me-2">{{ exam_response_counts.d|default:0 }}</span><small class="text-muted">{{ exam_response_pcts.d|default:0 }}%</small></div>
+                    </div>
+                    <div class="list-group-item d-flex justify-content-between align-items-center">
+                        <div>E</div>
+                        <div><span class="me-2">{{ exam_response_counts.e|default:0 }}</span><small class="text-muted">{{ exam_response_pcts.e|default:0 }}%</small></div>
+                    </div>
+                </div>
+            {% else %}
+                <div class="small text-muted">No responses recorded for this question in the exam yet.</div>
+            {% endif %}
+        </div>
+
         {# Responses partial: load on demand via HTMX. Button fetches partial into #responses-container #}
         <div class="mt-3">
             <div class="d-flex justify-content-between align-items-center">
@@ -116,7 +161,7 @@
                     <button class="btn btn-sm btn-outline-primary" 
                             hx-get="{% url 'sbas:exam_review_question_responses' exam.pk q_index %}"
                             hx-target="#responses-container"
-                            hx-swap="innerhtmlHTML">Show responses</button>
+                            hx-swap="innerHTML">Show responses</button>
                 </div>
             </div>
             <div class="mt-2" id="responses-container">

sbas/templates/sbas/partials/exam_review_question_responses_fragment.html

@@ -3,31 +3,30 @@
     <h6>Responses in this exam</h6>
     <div class="small text-muted mb-2">List of candidate answers recorded for this question in the current exam.</div>
     <ul class="list-group">
-        {% for ua in question.cid_user_answers.all %}
+        {% if exam_user_answers is defined %}
-            {% if ua.exam and ua.exam.pk == exam.pk %}
+            <ul class="list-group">
-                <li class="list-group-item d-flex justify-content-between align-items-start">
+                {% for ua in exam_user_answers %}
-                    <div>
+                    <li class="list-group-item d-flex justify-content-between align-items-start">
-                        {% if ua.user %}
+                        <div>
-                            <strong>{{ ua.user.get_full_name|default:ua.user.username }}</strong>
+                            {% if ua.user %}
-                        {% else %}
+                                <strong>{{ ua.user.get_full_name|default:ua.user.username }}</strong>
-                            <strong>Anonymous</strong>
+                            {% else %}
-                        {% endif %}
+                                <strong>Anonymous</strong>
-                        <div>Answer: <strong>{{ ua.answer }}</strong></div>
+                            {% endif %}
-                        {% if ua.created_date %}
+                            <div>Answer: <strong>{{ ua.answer }}</strong></div>
-                            <div class="small text-muted">Answered: {{ ua.created_date }}</div>
+                            {% if ua.created_date %}
-                        {% endif %}
+                                <div class="small text-muted">Answered: {{ ua.created_date }}</div>
-                    </div>
+                            {% endif %}
-                    <div>
+                        </div>
-                        {% if ua.answer == question.best_answer %}
+                        <div>
-                            <span class="badge bg-success">Correct</span>
+                            {% if ua.answer == question.best_answer %}
-                        {% else %}
+                                <span class="badge bg-success">Correct</span>
-                            <span class="badge bg-secondary">Incorrect</span>
+                            {% else %}
-                        {% endif %}
+                                <span class="badge bg-secondary">Incorrect</span>
-                    </div>
+                            {% endif %}
-                </li>
+                        </div>
-            {% endif %}
+                    </li>
-        {% empty %}
+                {% empty %}
-            <li class="list-group-item">No responses recorded for this exam.</li>
+                    <li class="list-group-item">No responses recorded for this exam.</li>
-        {% endfor %}
+                {% endfor %}
-    </ul>
+            </ul>
-</div>

sbas/views.py

@@ -109,6 +109,14 @@ def exam_review_question_responses(request, pk: int, q_index: int):
         "app_name": "sbas",
     }
 
+    # Prefilter user answers for this exam to avoid template-side filtering
+    try:
+        exam_user_answers = question.cid_user_answers.filter(exam=exam).select_related("user")
+    except Exception:
+        exam_user_answers = question.cid_user_answers.all()
+
+    context["exam_user_answers"] = exam_user_answers
+
     return render(request, "sbas/partials/exam_review_question_responses_fragment.html", context)