public static BookOrder ToModel(this IBookOrder order, bool details = false)
{
if(order == null)
return null;
var ord = new BookOrder() {
Id = order.Id, CreatedOn = order.CreatedOn, Total = order.Total, Status = order.Status, UserId = order.User.Id, UserName = order.User.DisplayName
};
if(details)
ord.Items = order.Lines.Select(l => l.ToModel()).ToList();
return ord;
}
public static BookOrder ToModel(this IBookOrder order, bool details = false)
{
if (order == null)
{
return(null);
}
var ord = new BookOrder()
{
Id = order.Id, CreatedOn = order.CreatedOn, Total = order.Total, Status = order.Status, UserId = order.User.Id, UserName = order.User.DisplayName
};
if (details)
{
ord.Items = order.Lines.Select(l => l.ToModel()).ToList();
}
return(ord);
}
public BookOrder UpdateOrder(BookOrder order)
{
var session = OpenSession();
var cart = GetOpenOrder(session, LockOptions.ForUpdate, create: true);
foreach (var item in order.Items) {
Context.ThrowIf(item.Quantity < 0, ClientFaultCodes.InvalidValue, "Quantity", "Quantity may not be negative.");
Context.ThrowIf(item.Quantity > 10, ClientFaultCodes.InvalidValue, "Quantity", "Quantity may not be more than 10.");
var orderLine = cart.Lines.FirstOrDefault(ln => ln.Book.Id == item.Book.Id);
if (orderLine == null) {
if (item.Quantity > 0) {
var bk = session.GetEntity<IBook>(item.Book.Id);
Context.ThrowIfNull(bk, ClientFaultCodes.ObjectNotFound, "Book", "Book not found.");
cart.Add(bk, item.Quantity);
continue;
}
} else //orderLine != null
if (item.Quantity == 0)
session.DeleteEntity(orderLine);
else
orderLine.Quantity = item.Quantity;
}
cart.ScheduleUpdateTotal();
session.SaveChanges();
EntityHelper.RefreshEntity(cart); //to make sure total from database is refreshed in entity
return cart.ToModel(details: true);
}
