numerous improvements

anatomy/views.py

@@ -261,21 +261,28 @@ def loadJsonAnswer(answer):
         ans.answer = answer["ans"]
         ans.save()
 
+    return True
+
 
 @csrf_exempt
 def postExamAnswers(request):
     if request.is_ajax and request.method == "POST":
 
+        n = 0
         # horrible but it works
         for k in request.POST.dict():
             print(k)
             for answer in json.loads(k):
-                loadJsonAnswer(answer)
+                ret = loadJsonAnswer(answer)
+
+                if ret is not True:
+                    return ret
+                n = n + 1
 
                 # print(UserAnswer.objects.filter(exam__id=q["eid"]))
         # print(request.urlencode())
 
-        return JsonResponse({"success": True})
+        return JsonResponse({"success": True, "question-number": n})
     return JsonResponse({"success": False, "error": "Invalid data"})
 
     # return render(request, "anatomy/exam.html", {"exam" : exam, "question" : question})