public void OrderFilled(decimal filledAmount, decimal filledPrice, DateTime dateFilled, decimal feePercent = 0)
{
if (this._roundtripStatusId == RoundtripStatus.Exit.Id || this._roundtripStatusId == RoundtripStatus.Entry.Id)
{
throw new InvestingDomainException("A roundtrip's order should not filled before submitting order.");
}
if (this._roundtripStatusId == RoundtripStatus.EntryOrderSubmitted.Id)
{
var fee = Math.Round(filledAmount * feePercent, 8);
var buyAmount = filledAmount - fee;
this.Transaction = this.Transaction.BuyOrderFilled(buyAmount, filledPrice);
this.EntryAt = dateFilled;
this._roundtripStatusId = RoundtripStatus.Entry.Id;
this.AddDomainEvent(new RoundtripEntryDomainEvent(
this.InvestmentId,
this.RoundtripId,
RoundtripStatus.From(this._roundtripStatusId),
this.Market,
this.EntryAt ?? throw new InvestingDomainException("Param \"Entry At\" missing."),
this.Transaction
));
}
else if (this._roundtripStatusId == RoundtripStatus.ExitOrderSubmitted.Id)
{
this.Transaction = this.Transaction.SellOrderFilled(filledAmount, filledPrice);
this.ExitAt = dateFilled;
var originalBalance = this.EntryBalance - (Math.Round((decimal)this.Transaction.BuyAmount / (1 - feePercent), 8) * this.Transaction.BuyPrice);
var fee = Math.Round(filledAmount * filledPrice * feePercent, 8);
this.ExitBalance = originalBalance + (filledPrice * filledAmount) - fee;
this._roundtripStatusId = RoundtripStatus.Exit.Id;
this.AddDomainEvent(new RoundtripExitDomainEvent(this));
}
else
{
throw new InvestingDomainException("Order filled in wrong state at roundtrip.");
}
}
public void ForceSelling()
{
if (this._roundtripStatusId == RoundtripStatus.Exit.Id)
{
throw new InvestingDomainException("Roundtrip already exit, nothing could be selled.");
}
if (this._roundtripStatusId == RoundtripStatus.ForceExit.Id || this._roundtripStatusId == RoundtripStatus.ForceSell.Id)
{
throw new InvestingDomainException("Force selling in wrong state ata roundtrip.");
}
this.AddDomainEvent(new RoundtripForcedSellingDomainEvent(
this.RoundtripId,
RoundtripStatus.From(this._roundtripStatusId)
));
this._roundtripStatusId = RoundtripStatus.ForceSell.Id;
}
public Roundtrip(string investmentId, int roundtripNumber, Market market, decimal entryBalance, decimal entryPrice, decimal targetPrice, decimal stopLossPrice, DateTime adviceCreationDate) : this()
{
this.RoundtripId = Guid.NewGuid().ToString();
this.InvestmentId = investmentId ?? throw new ArgumentNullException(nameof(investmentId));
this.RoundtripNumber = roundtripNumber >= 0 ? roundtripNumber : throw new ArgumentOutOfRangeException(nameof(roundtripNumber));
this._roundtripStatusId = RoundtripStatus.EntryOrderSubmitted.Id;
this.Market = market ?? throw new ArgumentNullException(nameof(market));
this.EntryBalance = entryBalance > 0 ? entryBalance : throw new ArgumentNullException(nameof(entryBalance));
this.TargetPrice = targetPrice >= 0 ? targetPrice : throw new ArgumentNullException(nameof(targetPrice));
this.StopLossPrice = stopLossPrice >= 0 ? stopLossPrice : throw new ArgumentNullException(nameof(stopLossPrice));
this.Transaction = new Transaction();
this.AddDomainEvent(new RoundtripEntryOrderSubmittedDomainEvent(
this.InvestmentId,
this.RoundtripId,
RoundtripStatus.From(this._roundtripStatusId),
this.Market,
this.EntryBalance,
entryPrice,
adviceCreationDate
));
}
public void Exit(decimal exitPrice, DateTime adviceCreationDate)
{
if (this._roundtripStatusId != RoundtripStatus.Entry.Id)
{
throw new InvestingDomainException("A roundtrip can only exit in Entry status.");
}
//Only sell at stop loss price, let the market decide.
if (exitPrice > this.StopLossPrice)
{
return;
}
this._roundtripStatusId = RoundtripStatus.ExitOrderSubmitted.Id;
this.AddDomainEvent(new RoundtripExitOrderSubmittedDomainEvent(
this,
this.InvestmentId,
this.RoundtripId,
RoundtripStatus.From(this._roundtripStatusId),
this.Market,
this.Transaction.BuyAmount ?? throw new InvestingDomainException("Transaction buy amount missing."),
exitPrice,
adviceCreationDate
));
}
public RoundtripStatus GetStatus()
{
return(RoundtripStatus.From(this._roundtripStatusId));
}
