public void SaveData()
{
DateTime firstDate; DateTime lastDate;
var lastHistData = _reposBL.GetIntParam(LAST_HISTORY_DATA);
if (lastHistData == null)
{
firstDate = DateTime.Today.AddHours(_config.CorrectHours).Date;
}
else
{
firstDate = StorageLib.ToDateTime(lastHistData.Value).AddDays(1);
}
lastDate = firstDate;
_logger.AddInfo("InsStoreData", "Bars saving ...");
bool isNewTran = _storage.BeginTransaction();
try
{
foreach (var insStore in _insStore_barRow.Keys)
{
var bars = _insStore_barRow[insStore].Bars;
if (!bars.Any())
{
continue;
}
var lastBarDate = bars.Last().Time.Date;
if (lastBarDate > lastDate)
{
lastDate = lastBarDate;
}
_insStoreBL.InsertData(insStore.InsStoreID, bars, firstDate, lastBarDate, false, new CancellationToken());
}
_reposBL.SetIntParam(LAST_HISTORY_DATA, StorageLib.ToDbTime(lastDate));
_storage.Commit(isNewTran);
}
catch (Exception ex)
{
_storage.Rollback(isNewTran);
_logger.AddException("InsStoreBL:SaveData", ex);
}
_logger.AddInfo("InsStoreData", string.Format("Bars saved: {0} - {1}", firstDate.ToString("dd.MM.yyyy"), lastDate.ToString("dd.MM.yyyy")));
}
/// <summary>
/// Загрузка исторических данных в BarRow.
/// Наиболее подходящий InsStore определяется автоматически.
/// </summary>
/// <param name="bars">BarRow</param>
/// <param name="insID">Инструмент</param>
/// <param name="date1">Нач дата</param>
/// <param name="date2">Кон дата</param>
/// <param name="insStoreID">Поток данных для загрузки (если null, то поток будет определен автоматически)</param>
/// <returns>Асинхронная задача загрузки. Общее число баров после загрузки.</returns>
public async Task <int> LoadHistoryAsync(BarRow bars, int insID, DateTime date1, DateTime date2, int?insStoreID = null)
{
Instrum instrum = _instrumBL.GetInstrumByID(insID);
if (instrum == null)
{
return(0);
}
if (insStoreID == null)
{
var insStore = GetLoadHistoryInsStore(insID, bars.Timeframe);
if (insStore != null)
{
insStoreID = insStore.InsStoreID;
}
}
if (insStoreID == null)
{
return(0);
}
int k = (int)Math.Pow(10, instrum.Decimals);
var list = await _insStoreDA.GetHistoryAsync(insStoreID.Value, date1, date2);
return(await Task.Run(() =>
{
bars.SuspendEvents();
foreach (var bar in list)
{
DateTime time = StorageLib.ToDateTime(bar.Time);
decimal openPrice = (decimal)bar.OpenPrice / k;
decimal lowPrice = (decimal)(bar.OpenPrice + bar.LowDelta) / k;
decimal highPrice = (decimal)(bar.OpenPrice + bar.HighDelta) / k;
decimal closePrice = (decimal)(bar.OpenPrice + bar.CloseDelta) / k;
bars.AddTick(time, openPrice, 0);
bars.AddTick(time, lowPrice, 0);
bars.AddTick(time, highPrice, 0);
bars.AddTick(time, closePrice, bar.Volume);
}
bars.CloseLastBar();
bars.ResumeEvents();
return bars.Count;
}));
}