public TradeTaskViewModel(SymbolInformation si, string exchangeName)
{
Model = new TradeTask();
Model.Id = Guid.NewGuid();
Model.Symbol = si.Symbol;
Model.Exchange = exchangeName;
SymbolInformation = si;
QuoteBalance = si.QuoteAssetBalance.Free;
QuoteBalancePercent = 0.05;
Buy = new OrderTaskViewModel(this)
{
Price = si.PriceTicker.Ask.GetValueOrDefault()
};
StopLoss = new OrderTaskViewModel(this)
{
Price = si.ClampPrice(Buy.Price * 0.95m)
};
TakeProfit = new ObservableCollection <TakeProfitViewModel>();
var DEF_TAKE_PRCNTS = new double[] { 0.6, 0.4 };
for (int ind = 1; ind <= 2; ++ind)
{
var tp = new TakeProfitViewModel(this, DEF_TAKE_PRCNTS[ind - 1], ind > 1 ? TakeProfit[ind - 2] : null)
{
Price = Math.Round(Buy.Price * (1.05m + 0.05m * ind), si.PriceDecimals), Caption = $"Тейк {ind}"
};
TakeProfit.Add(tp);
}
LastPrice = Buy.Price;
AddTakeProfitCommand = ReactiveCommand.Create <object>(AddTakeProfitExecute);
SubmitCommand = ReactiveCommand.CreateFromTask <string, bool>(SubmitImpl);
ConnectTrades(edit: true);
}
public TakeProfitViewModel(TradeTaskViewModel tt, OrderTask model, TakeProfitViewModel prev = null) : base(tt, model)
{
Previous = prev;
if (Previous != null)
{
qtyPercentStart = Previous.QuantityPercentEnd;
}
qtyPercentEnd = qtyPercentStart + model.QuantityPercent;
ConnectProperties();
}
private void AddTakeProfitExecute(object param)
{
int ind = TakeProfit.Count + 1;
var tpQuantityPercent = TakeProfit.Sum(x => x.QuantityPercent);
var tp = new TakeProfitViewModel(this, 1.00 - tpQuantityPercent, ind > 1 ? TakeProfit[ind - 2] : null)
{
Price = Math.Round(Buy.Price * (1.0m + 0.05m * ind), SymbolInformation.PriceDecimals), Caption = $"Тейк {ind}"
};
TakeProfit.Add(tp);
}
public TakeProfitViewModel(TradeTaskViewModel tt, double initialQtyPrcnt, TakeProfitViewModel prev = null) : base(tt)
{
Previous = prev;
if (Previous != null)
{
QuantityPercentStart = Previous.QuantityPercentEnd;
this.ObservableForProperty(x => x.Previous.QuantityPercentEnd).Subscribe(x => QuantityPercentStart = x.Value);
}
QuantityPercentEnd = QuantityPercentStart + initialQtyPrcnt;
ConnectProperties();
}
public TradeTaskViewModel(SymbolInformation si, TradeTask model)
{
SymbolInformation = si;
Model = model;
Buy = new OrderTaskViewModel(this, model.Buy);
StopLoss = new OrderTaskViewModel(this, model.StopLoss);
TakeProfit = new ObservableCollection <TakeProfitViewModel>();
for (int ind = 1; ind <= model.TakeProfit.Count(); ++ind)
{
var tp = new TakeProfitViewModel(this, model.TakeProfit[ind - 1], ind > 1 ? TakeProfit[ind - 2] : null);
TakeProfit.Add(tp);
}
LastPrice = si.PriceTicker.LastPrice.GetValueOrDefault();
ConnectTrades();
}