add option to refresh json cache

anatomy/templates/anatomy/exam_overview.html

@@ -13,6 +13,7 @@
         {% endfor %}
 </ol>
 <a href="{% url 'anatomy:exam_json' pk=exam.pk %}">JSON</a>
+<a href="{% url 'anatomy:exam_json_recreate' pk=exam.pk %}">Refresh JSON cache</a>
 
 </div>
 {% endblock %}

anatomy/urls.py

@@ -20,5 +20,6 @@ urlpatterns = [
     path("exam/", views.exam_list, name="exam_list"),
     path("exam/json/", views.active_exams, name="active_exams"),
     path("exam/json/<int:pk>", views.exam_json, name="exam_json"),
+    path("exam/json/<int:pk>/recreate", views.exam_json_recreate, name="exam_json_recreate"),
     path("ajax/exam/flag/", views.flag_question, name="flag_question"),
 ]

anatomy/views.py

@@ -497,6 +497,14 @@ def exam_json(request, pk):
 
     return JsonResponse(exam_json)
 
+@login_required
+def exam_json_recreate(request, pk):
+    exam = get_object_or_404(Exam, pk=pk)
+
+    exam.recreate_json = True
+    exam.save()
+
+    return redirect("anatomy:exam_overview")
 
 @login_required
 def exam_scores_cid(request, pk):