/// <summary>
/// Constructor from the API.
/// </summary>
/// <param name="src">The source.</param>
/// <exception cref="System.ArgumentNullException">src</exception>
protected MarketOrder(SerializableOrderListItem src)
{
src.ThrowIfNull(nameof(src));
PopulateOrderInfo(src);
LastStateChange = DateTime.UtcNow;
m_state = GetState(src);
}
/// <summary>
/// Checks whether the given API object has been modified.
/// </summary>
/// <param name="src"></param>
/// <returns></returns>
private bool IsModified(SerializableOrderListItem src) => src.RemainingVolume != 0
&& ((src.UnitaryPrice != UnitaryPrice && src.Issued != Issued)
|| src.RemainingVolume != RemainingVolume);
/// <summary> /// Checks whether the given API object matches with this order. /// </summary> /// <param name="src"></param> /// <returns></returns> private bool MatchesWith(SerializableOrderListItem src) => src.OrderID == ID;
/// <summary>
/// Gets the state of an order.
/// </summary>
/// <param name="src"></param>
/// <returns></returns>
private static OrderState GetState(SerializableOrderListItem src)
{
switch ((CCPOrderState)src.State)
{
case CCPOrderState.Closed:
case CCPOrderState.Canceled:
case CCPOrderState.CharacterDeleted:
return OrderState.Canceled;
case CCPOrderState.Pending:
case CCPOrderState.Opened:
return OrderState.Active;
case CCPOrderState.ExpiredOrFulfilled:
return src.RemainingVolume == 0 ? OrderState.Fulfilled : OrderState.Expired;
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Populates the serialization object order with the info from the API.
/// </summary>
/// <param name="src">The source.</param>
private void PopulateOrderInfo(SerializableOrderListItem src)
{
OwnerID = src.OwnerID;
ID = src.OrderID;
Item = StaticItems.GetItemByID(src.ItemID);
UnitaryPrice = src.UnitaryPrice;
InitialVolume = src.InitialVolume;
RemainingVolume = src.RemainingVolume;
MinVolume = src.MinVolume;
Duration = src.Duration;
Issued = src.Issued;
IssuedFor = src.IssuedFor;
m_stationID = src.StationID;
UpdateStation();
if (src.IsBuyOrder == 0)
return;
BuyOrder buyOrder = (BuyOrder)this;
buyOrder.Escrow = src.Escrow;
buyOrder.Range = src.Range;
}
/// <summary>
/// Try to update this order with a serialization object from the API.
/// </summary>
/// <param name="src"></param>
/// <param name="endedOrders"></param>
/// <returns></returns>
internal bool TryImport(SerializableOrderListItem src, List<MarketOrder> endedOrders)
{
// Note that, before a match is found, all orders have been marked for deletion : m_markedForDeletion == true
// Checks whether ID is the same (IDs can be recycled ?)
if (!MatchesWith(src))
return false;
// Prevent deletion
MarkedForDeletion = false;
// Update infos (if ID is the same it may have been modified either by the market
// or by the user [modify order] so we update the orders info that are changeable)
if (IsModified(src))
{
// Order is from a serialized object, so populate the missing info
if (Item == null)
PopulateOrderInfo(src);
else
{
// If it's a buying order, escrow may have changed
if (src.IsBuyOrder != 0)
((BuyOrder)this).Escrow = src.Escrow;
UnitaryPrice = src.UnitaryPrice;
RemainingVolume = src.RemainingVolume;
Issued = src.Issued;
}
LastStateChange = DateTime.UtcNow;
m_state = OrderState.Modified;
}
else if (m_state == OrderState.Modified)
{
// Order is from a serialized object, so populate the missing info
if (Item == null)
PopulateOrderInfo(src);
LastStateChange = DateTime.UtcNow;
m_state = OrderState.Active;
}
// Order is from a serialized object, so populate the missing info
if (Item == null)
PopulateOrderInfo(src);
// Update state
OrderState state = GetState(src);
if (m_state == OrderState.Modified || state == m_state)
return true;
// It has either expired or fulfilled
m_state = state;
LastStateChange = DateTime.UtcNow;
// Should we notify it to the user ?
if (state == OrderState.Expired || state == OrderState.Fulfilled)
endedOrders.Add(this);
return true;
}
/// <summary>
/// Constructor from the API.
/// </summary>
/// <param name="src"></param>
internal SellOrder(SerializableOrderListItem src)
: base(src)
{
}
/// <summary>
/// Constructor from the API.
/// </summary>
/// <param name="src"></param>
internal BuyOrder(SerializableOrderListItem src)
: base(src)
{
Escrow = src.Escrow;
Range = src.Range;
}
