public void GivenIHavePlacedAnOrderForASmallLatteWholeMilk()
{
var latteId = EventSourceHelper.GetId<Item>("Latte");
var orderId = Guid.NewGuid();
var e = new OrderPlaced(
orderId,
DiningLocation.TakeAway,
new OrderItem[1]
{
new OrderItem(
latteId,
new Dictionary<string, string>()
{
{"Size", "small"},
{"Milk", "whole"}
}, 1)
},
7.60M);
GivenHelper.Given(orderId, e);
}
public Order(
Guid orderId,
DiningLocation diningLocation,
OrderItem[] orderItems,
IProductInfo[] products)
: this()
{
var price = orderItems
.Select(i => new
{
product = products.Single(p => p.MenuItemId == i.MenuItemId),
item = i
})
.Select(i => i.item.Quantity*i.product.Price)
.Sum();
var e = new OrderPlaced(
orderId,
diningLocation,
orderItems,
price);
ApplyChange(e);
}
private void Apply(OrderPlaced e)
{
Id = e.OrderId;
_state = OrderState.Placed;
_items.AddRange(e.OrderItems);
_price = e.Price;
_location = e.DiningLocation;
}