public Cart MapIt(Cart cart, LineItem line)
{
// Terminating call. Since we can return null from this function
// we need to be ready for PetaPoco to callback later with null
// parameters
if (cart == null)
return current;
// Is this the same cart as the current one we're processing
if (current != null && current.Id == cart.Id)
{
// Yes, just add this lines to the current cart's collection of lines
current.Lines.Add(line);
// Return null to indicate we're not done with this cart yet
return null;
}
// This is a different cart to the current one, or this is the
// first time through and we don't have a cart yet
// Save the current cart
var prev = current;
// Setup the new current cart
current = cart;
current.Lines = new List<LineItem>();
if (line != null)
current.Lines.Add(line);
// Return the now populated previous cart (or null if first time through)
return prev;
}
public Cart GetActiveCart()
{
var cart = _shoppingCartRepository.GetActiveCart();
if (cart == null)
{
var newCart = new Cart();
return _shoppingCartRepository.Add(newCart);
}
return cart;
}
public void AddItem(Cart cart, Product product, int quantity)
{
var existingLine = cart.Lines.SingleOrDefault(x => x.ProductId == product.Id);
if (existingLine != null)
{
_shoppingCartRepository.UpdateQuantity(cart, product, quantity);
}
else
{
_shoppingCartRepository.AddItem(cart, product, quantity);
}
}
public void Checkout(Cart cart)
{
cart.IsOrder = true;
_shoppingCartRepository.Update(cart);
}