improve exam group management

generic/views.py

@@ -1042,6 +1042,23 @@ class ExamViews(View, LoginRequiredMixin):
 
         return render(request, "exam_cids.html", context)
 
+    #def exam_groups_edit(self, request, exam_id):
+    #    exam = get_object_or_404(self.Exam, pk=exam_id)
+
+    #    if not request.user.groups.filter(name="cid_user_manager").exists():
+    #        # raise PermissionDenied
+    #        if request.user not in exam.author.all():
+    #            raise PermissionDenied
+
+
+    #        
+
+    #    context = {
+    #        "exam": exam,
+    #        #"groups": exam_groups,
+    #    }
+    #    return render(request, "exam_groups_edit.html", context)
+
     def exam_users_edit(self, request, exam_id):
         exam = get_object_or_404(self.Exam, pk=exam_id)
 
@@ -3482,4 +3499,17 @@ class SeriesImagesZipViewBase(SuperuserRequiredMixin, View):
         response = HttpResponse(temp_file, content_type='application/zip')
         response['Content-Disposition'] = 'attachment; filename=%s' % self.get_archive_name(request)
         response['Content-Length'] = file_size
-        return response
+        return response
+
+class ExamGroupsUpdateBase(
+    RevisionMixin, CheckCanEditMixin, LoginRequiredMixin, AuthorRequiredMixin, UpdateView
+):
+    template_name = "generic/exam_groups_edit.html"
+
+    def get_success_url(self) -> str:
+        return reverse_lazy(f"{self.object.get_app_name()}:exam_cids", kwargs={"exam_id": self.object.pk})
+
+    def get_form_kwargs(self):
+        kwargs = super(ExamGroupsUpdateBase, self).get_form_kwargs()
+        kwargs.update({"user": self.request.user})
+        return kwargs