private void Apply(CartItemAdded e)
{
var item = _items.SingleOrDefault(i => i.ProductId == e.ProductId);
if (item == null)
{
item = new ShoppingCartItem(e.ProductId);
_items.Add(item);
}
item.Add(e.Count);
}
public void Handle(CartItemAdded message)
{
var cart = ShoppingCartDatabase.ShoppingCarts[message.CartId];
var item = GetCartItem(cart, message.ProductId);
if (item != null)
{
item.Count += message.Count;
}
else
{
var items = cart.Items.ToList();
items.Add(new ShoppingCartItemDto
{
Count = message.Count,
Product = GetProduct(message.ProductId)
});
cart.Items = items.ToArray();
}
cart.Version = message.Version;
}
