public OrdersIndex Add(IReadOnlyList <IUserOrder> newOrders, IReadOnlyList <IAssigningUserOrder> assigningOrders)
{
if (IsEmpty)
{
throw new InvalidOperationException("Index in empty");
}
var allOrders = AllOrders.AddRange(newOrders);
var newUnassignedOrdersDic = UnassignedOrders.RemoveRange(assigningOrders.SelectMany(o => o.Orders)).AddRange(newOrders);
var allAssigningOrders = AssigningOrders.AddRange(assigningOrders);
return(new OrdersIndex(allOrders, newUnassignedOrdersDic, allAssigningOrders));
}
internal IEnumerable <IUserOrder> SelectUnassignedOrders(IEnumerable <HashValue> orderHashes)
{
foreach (var orderHash in orderHashes)
{
IUserOrder userOrder;
if (!UnassignedOrders.TryGetValue(orderHash, out userOrder))
{
throw new TransactionDeclinedException(string.Format("Order {0} is not from unassigned set.", orderHash));
}
yield return(userOrder);
}
}