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);
}
