public ActionResult Create(long?categoryId)
        {
            if (!categoryId.HasValue)
            {
                var categories = CategoryDataStore.GetAll().ToArray();
                return(View("ChooseRequestCategory", categories));
            }

            var cat = CategoryDataStore.Get(categoryId.Value);

            return(View(new NewRequestFormDto
            {
                CategoryId = cat.Id,
                CategoryName = cat.Name,
                AuthorId = CurrentOperatorService.GetCurrentUser().Id
            }));
        }