Canvas.Helpers.Authorize.GetCurrentUser C# (CSharp) Method

        public static IUser GetCurrentUser()
        {
            var ticket = new HttpContextWrapper(HttpContext.Current).GetUmbracoAuthTicket();

            if (ticket != null)
            {

                var username = ticket.Name;

                if (!string.IsNullOrEmpty(username))
                {

                    IUser u = ApplicationContext.Current.Services.UserService.GetByUsername(username);

                    if (u != null)
                    {
                        return u;
                    }

                }

            }

            return null;
        }
    }

        public static bool SaveJson(CanvasModel model, int pageId)
        {
            try
            {
                var node = cs.GetById(pageId);

                var newJson = JsonConvert.SerializeObject(model, Formatting.None);

                node.SetValue("canvas", newJson.ToString());

                var currentUser = Authorize.GetCurrentUser();

                cs.Save(node, currentUser.Id);

                return(true);
            }
            catch (Exception ex)
            {
                Log.Error("Canvas error on SaveJson in Repository.", ex);

                return(false);
            }
        }