feat: enhance exam user status handling and add autosave verification in tests

generic/views.py

@@ -2639,13 +2639,27 @@ class ExamViews(View, LoginRequiredMixin):
         return self.exam_user_status(request, pk, user_id=user_id)
 
     def exam_user_status(self, request, pk, cid=None, user_id=None):
-        # TODO: add filtering by user / cid
         exam = get_object_or_404(self.Exam, pk=pk)
 
         # Restrict just to exam authors
         if request.user not in exam.author.all():
             raise PermissionDenied
 
+        # Robustly parse parameters from GET query string
+        get_cid = request.GET.get("cid")
+        get_user_id = request.GET.get("user_id")
+
+        if get_cid not in (None, "", "None"):
+            try:
+                cid = int(get_cid)
+            except ValueError:
+                pass
+        if get_user_id not in (None, "", "None"):
+            try:
+                user_id = int(get_user_id)
+            except ValueError:
+                pass
+
         if cid is not None:
             statuses = exam.exam_user_status.filter(cid_user_exam__cid_user__cid=cid)
         elif user_id is not None:
@@ -3477,7 +3491,13 @@ class ExamViews(View, LoginRequiredMixin):
                     cid_user=c, start_time=t
                 )
             in_progress = request.POST.get("in_progress") == "true"
-            if not in_progress:
+            if in_progress:
+                exam.exam_user_status.create(
+                    cid_user_exam=cid_user_exam,
+                    status="autosaved",
+                    extra="autosaved {} answers".format(n),
+                )
+            else:
                 exam.exam_user_status.create(
                     cid_user_exam=cid_user_exam,
                     status="submitted",