void Source_Change(ValueRow src, bool isReset)
{
_bbTop.SuspendEvents();
_bbBottom.SuspendEvents();
if (isReset)
{
_bbTop.Clear();
_bbBottom.Clear();
}
if (_source != null)
{
int startIndex = isReset ? 0 : _bbTop.Count;
for (int i = startIndex; i <= _source.LastIndex; i++)
{
CalcTop(i);
}
startIndex = isReset ? 0 : _bbBottom.Count;
for (int i = startIndex; i <= _source.LastIndex; i++)
{
CalcBottom(i);
}
}
_bbTop.ResumeEvents();
_bbBottom.ResumeEvents();
}
void Source_Change(ValueRow src, bool isReset)
{
SuspendEvents();
if (isReset)
{
Clear();
_mo.Clear();
}
if (_source != null)
{
int startIndex = isReset ? 0 : this.Count;
for (int i = startIndex; i <= _source.LastIndex; i++)
{
Calc(i);
}
}
ResumeEvents();
}
public Task Generate(int accountID, Timeline timeline)
{
return(Task.Run(() =>
{
_cashRow.Clear();
_portfolioRow.Clear();
_equityRow.Clear();
_prices.Clear();
var trades = _accountDA.GetTrades(accountID).OrderBy(r => r.Time).ToList();
var account = _accountDA.GetAccountByID(accountID);
var cash = _accountDA.GetCash(accountID);
List <EqHold> eqHoldList = new List <EqHold>();
decimal cashSumma = cash.Initial;
decimal pfSumma = 0;
var bd1 = timeline.GetBarDate(0);
var bd2 = timeline.GetBarDate(timeline.Count - 1);
if (bd1 == null || bd2 == null)
{
return;
}
DateTime date1 = bd1.Value.Start.Date;
DateTime date2 = bd2.Value.NextStart.Date; // для таймфреймов day и week загрузим историю на один лишний день
int tradeIdx = 0;
for (int i = 0; i < timeline.Count; i++)
{
var barDates = timeline.GetBarDate(i);
if (barDates == null)
{
continue;
}
while (tradeIdx < trades.Count && trades[tradeIdx].Time < barDates.Value.NextStart)
{
var trade = trades[tradeIdx];
var instrum = _instrumBL.GetInstrumByID(trade.InsID); // из кеша
var tradeSumma = trade.Price * trade.LotCount * instrum.LotSize;
var hold = eqHoldList.FirstOrDefault(r => r.InsID == instrum.InsID);
if (trade.BuySell == BuySell.Buy)
{
cashSumma -= tradeSumma;
if (hold != null)
{
hold.LotCount += trade.LotCount;
}
else
{
eqHoldList.Add(new EqHold()
{
InsID = instrum.InsID, LotSize = instrum.LotSize, LotCount = trade.LotCount
});
}
}
else
{
cashSumma += tradeSumma;
if (hold != null)
{
hold.LotCount -= trade.LotCount;
if (hold.LotCount == 0)
{
eqHoldList.Remove(hold);
}
}
else
{
eqHoldList.Add(new EqHold()
{
InsID = instrum.InsID, LotSize = instrum.LotSize, LotCount = -trade.LotCount
});
}
}
tradeIdx++;
}
// вычисляем сумму портфеля на конец бара
pfSumma = 0;
foreach (var hold in eqHoldList)
{
if (!_prices.ContainsKey(hold.InsID))
{
BarRow barRow = new BarRow(timeline.Timeframe, hold.InsID);
_insStoreBL.LoadHistoryAsync(barRow, hold.InsID, date1, date2).Wait();
_prices.Add(hold.InsID, barRow);
}
var bars = _prices[hold.InsID];
var bar = bars.Bars.FirstOrDefault(r => r.Time == barDates.Value.Start);
if (bar != null)
{
pfSumma += bar.Close * hold.LotCount * hold.LotSize;
}
}
_cashRow.Add(cashSumma);
_portfolioRow.Add(pfSumma);
_equityRow.Add(cashSumma + pfSumma);
}
}));
}
