public OrderRecord CreateOrder(int customerId, IEnumerable <ShoppingCartItem> items)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
// Convert to an array to avoid re-running the enumerable
var itemsArray = items.ToArray();
if (!itemsArray.Any())
{
throw new ArgumentException("Creating an order with 0 items is not supported", "items");
}
var order = new OrderRecord {
CreatedAt = _dateTimeService.Now,
CustomerId = customerId,
Status = "New",
//SubTotal = 0,
//Vat = 0
};
_orderRepository.Create(order);
// Get all products in one shot, so we can add the product reference to each order detail
var bookIds = itemsArray.Select(x => x.BookId).ToArray();
var books = _bookRepository.Fetch(x => bookIds.Contains(x.Id)).ToArray();
// Create an order detail for each item
foreach (var item in itemsArray)
{
var book = books.Single(x => x.Id == item.BookId);
var detail = new OrderDetailRecord {
OrderRecord_Id = order.Id,
BookId = book.Id,
Quantity = item.Quantity,
UnitPrice = book.UnitPrice,
VatRate = .19m
};
_orderDetailRepository.Create(detail);
order.Details.Add(detail);
}
order.UpdateTotals();
return(order);
}
