public void Can_Be_Cleared()
{
Cart cart = new Cart();
cart.AddItem(new Product(), 1);
Assert.AreEqual(1, cart.Lines.Count);
cart.Clear();
Assert.AreEqual(0, cart.Lines.Count);
}
public ViewResult CheckOut(Cart cart, FormCollection form)
{
if(cart.Lines.Count == 0)
{
ModelState.AddModelError("Cart", "Sorry, your cart is empty!");
return View();
}
if (TryUpdateModel(cart.ShippingDetails, form.ToValueProvider()))
{
orderSubmitter.SubmitOrder(cart);
cart.Clear();
return View("Completed");
}
else
return View();
}
public ViewResult CheckOut(Cart cart, FormCollection form)
{
// Empty carts can't be checked out
if(cart.Lines.Count == 0) {
ModelState.AddModelError("Cart", "Sorry, your cart is empty!");
return View();
}
// Invoke model binding manually
if (TryUpdateModel(cart.ShippingDetails, form.ToValueProvider())) {
orderSubmitter.SubmitOrder(cart);
cart.Clear();
return View("Completed");
}
else // Something was invalid
return View();
}