public ActionResult Buy(BuyViewModel vm)
{
if (vm.Amount <= 0 || vm.Amount > vm.Limit || vm == null || !this.ModelState.IsValid)
{
return View("Error");
}
Book targetBook = BookProvider.Instance.AllBooks.SingleOrDefault(b => b.Id == vm.BookId);
User targetUser = UserProvider.Instance.AllUsers.SingleOrDefault(u => u.Id == vm.UserId);
if (targetBook == null || targetUser == null)
{
return View("Error");
}
Order order = new Order();
order.BookId = vm.BookId;
order.UserId = vm.UserId;
order.Total = vm.Amount * targetBook.Price;
return View("Order", order);
}
public ActionResult Buy()
{
BuyViewModel vm = new BuyViewModel() { Limit = 3 };
return View(vm);
}