public UserIndex Update(IAssignedUserOrder assignedUserOrder)
{
var index = MyOrders.IndexOf(assignedUserOrder);
if (index < 0)
{
throw new InvalidOperationException(string.Format("MyOrders does not contains user order {0}.", assignedUserOrder));
}
var newMyOrders = MyOrders.SetItem(index, assignedUserOrder);
return(new UserIndex(User, LastTransaction, newMyOrders, AssigningOrders));
}
public UserIndex Update(IUserOrder newUserOrder)
{
var index = MyOrders.IndexOf(newUserOrder);
if (index >= 0)
{
throw new InvalidOperationException(string.Format("MyOrders already contains user order {0}.", newUserOrder));
}
var newMyOrder = MyOrders.Add(newUserOrder);
return(new UserIndex(User, newUserOrder.Transaction, newMyOrder, AssigningOrders));
}
