public ActionResult SetDevStatus(int id, int stagId, int value)
        {
            CurrentUserModel.ValidateProject(id);

            SourceTag stag = CurrentUserModel.GetSourceTag(stagId);

            if (stag.ProjectId != id)
            {
                throw new InvalidOperationException("Invalid source tag");
            }

            stag.DevStatus = (DevStatus)value;
            CurrentUserModel.UpdateSourceTag(stag);
            return(Content("OK"));
        }