public static Order CreateFrom(XElement invoice)
{
string time = (string)invoice.Element("time");
string date = (string)invoice.Element("date");
return(new Order {
Id = (int)invoice.Element("order_id"),
Date = DateTime.ParseExact(date + time, "dd-MM-yyyyhh:mm tt", null),
Items = invoice.Element("order")
.Elements("item")
.Select(i => OrderItem.CreateFrom(i))
.ToList()
});
}