//generates a trade for the given response and this offer, only works if both vereniging approve.
//gets called by the vereniging that made the response - after being approved by the owner ofcourse
public (Trade, TradeOffer) CloseTrade(int responseId, bool KeepSelling = false)
{
TradeResponse response = Responses.SingleOrDefault(r => r.Id == responseId);
if (response == null)
{
throw new ArgumentException("This trade offer has no such trade response");
}
if (response.Status != TradeResponse.OfferStatusType.ApprovedByOfferOwner)
{
throw new ArgumentException("This response has not yet been approved by the offer owner");
}
TradeOffer newOffer = KeepSelling ? new TradeOffer(Owner, Amount - response.Amount) : null;
Responses.Where(r => r != response).ToList().ForEach(r => {
if (KeepSelling && r.Amount <= newOffer.Amount)
{
newOffer.AddResponse(r.Vereniging, r.Amount);
}
else
{
r.Status = TradeResponse.OfferStatusType.Declined;
}
});
Trade trade = new Trade(response.Amount, Owner, response.Vereniging);
return(trade, newOffer);
}
//gets called when the owner approves a response
public void ApproveResponse(int responseId)
{
if (Responses.Any(r => r.Status == TradeResponse.OfferStatusType.ApprovedByOfferOwner))
{
throw new ArgumentException("Een andere reactie is reeds goedgekeurd...");
}
TradeResponse response = Responses.SingleOrDefault(r => r.Id == responseId);
if (response == null)
{
throw new ArgumentException("This trade offer has no such trade response");
}
response.Status = TradeResponse.OfferStatusType.ApprovedByOfferOwner;
}
