private CategoryLeftColumnViewModel BindingDataForCategoryLeftColumnViewModel(int categoryId)
        {
            var viewModel = new CategoryLeftColumnViewModel();

            var items = _magazineService.GetByCategory(categoryId);

            if (items == null)
            {
                throw new NoNullAllowedException("Items".ToNotNullErrorMessage());
            }

            if (items.Any())
            {
                viewModel.Items = items.ToList();
            }

            return(viewModel);
        }