public IActionResult EditStory(string id)
        {
            UserStory     userStory = _storyService.GetStory(id);
            UserStoryEdit model     = new UserStoryEdit(userStory);

            return(View(model));
        }
        public IActionResult AddStory([FromForm] UserStoryEdit model)
        {
            if (!ModelState.IsValid)
            {
                return(View("EditStory", model));
            }
            //Save
            //The service takes care of setting the Sequence property on new models.
            _storyService.SaveStory(model);

            return(RedirectToAction(actionName: nameof(Index)));
        }