public List <Candle> GetCandles(string specification, int count)
{
CandleSeriesSaveInfo mySaveInfo = _candleSeriesSaveInfos.Find(s => s.Specification == specification);
if (mySaveInfo == null)
{
mySaveInfo = TryLoadCandle(specification);
if (mySaveInfo == null)
{
mySaveInfo = new CandleSeriesSaveInfo();
mySaveInfo.Specification = specification;
}
_candleSeriesSaveInfos.Add(mySaveInfo);
}
List <Candle> candles = mySaveInfo.AllCandlesInFile;
if (candles != null &&
candles.Count != 0 &&
candles.Count - 1 - count > 0)
{
candles = candles.GetRange(candles.Count - 1 - count, count);
}
return(candles);
}
private void SaveSeries(CandleSeries series)
{
CandleSeriesSaveInfo mySaveInfo = _candleSeriesSaveInfos.Find(s => s.Specification == series.Specification);
if (mySaveInfo == null)
{
mySaveInfo = TryLoadCandle(series.Specification);
if (mySaveInfo == null)
{
mySaveInfo = new CandleSeriesSaveInfo();
mySaveInfo.Specification = series.Specification;
mySaveInfo.AllCandlesInFile = series.CandlesAll;
}
_candleSeriesSaveInfos.Add(mySaveInfo);
}
if (series.CandlesAll == null ||
series.CandlesAll.Count == 0)
{
return;
}
Candle firstCandle = series.CandlesAll[0];
Candle lastCandle = series.CandlesAll[series.CandlesAll.Count - 1];
if (firstCandle.TimeStart == mySaveInfo.LastCandleTime &&
lastCandle.TimeStart == mySaveInfo.StartCandleTime &&
lastCandle.Close == mySaveInfo.LastCandlePrice)
{
return;
}
mySaveInfo.InsertCandles(series.CandlesAll);
if (Directory.Exists(_pathName) == false)
{
Directory.CreateDirectory(_pathName);
}
StreamWriter writer = new StreamWriter(_pathName + "\\" + series.Specification + ".txt");
for (int i = 0; i < mySaveInfo.AllCandlesInFile.Count; i++)
{
writer.WriteLine(mySaveInfo.AllCandlesInFile[i].StringToSave);
}
writer.Close();
}
public List <Candle> GetCandles(string specification, int count)
{
CandleSeriesSaveInfo mySaveInfo = GetSpecInfo(specification);
List <Candle> candles = mySaveInfo.AllCandlesInFile;
if (candles != null &&
candles.Count != 0 &&
candles.Count - 1 - count > 0)
{
candles = candles.GetRange(candles.Count - 1 - count, count);
}
return(candles);
}
public CandleSeriesSaveInfo GetSpecInfo(string specification)
{
lock (_lockerSpec)
{
CandleSeriesSaveInfo mySaveInfo = _candleSeriesSaveInfos.Find(s => s.Specification == specification);
if (mySaveInfo == null)
{
mySaveInfo = TryLoadCandle(specification);
if (mySaveInfo == null)
{
mySaveInfo = new CandleSeriesSaveInfo();
mySaveInfo.Specification = specification;
}
_candleSeriesSaveInfos.Add(mySaveInfo);
}
return(mySaveInfo);
}
}
public CandleSeriesSaveInfo TryLoadCandle(string specification)
{
List <Candle> candlesFromServer = new List <Candle>();
if (File.Exists(_pathName + "\\" + specification + ".txt"))
{
try
{
using (StreamReader reader = new StreamReader(_pathName + "\\" + specification + ".txt"))
{
while (reader.EndOfStream == false)
{
string str = reader.ReadLine();
Candle newCandle = new Candle();
newCandle.SetCandleFromString(str);
candlesFromServer.Add(newCandle);
}
reader.Close();
}
}
catch (Exception e)
{
// ignore
}
}
// далее смотрим есть ли сохранение в глобальном хранилище
List <Candle> candlesFromOsData = new List <Candle>();
string path = "Data\\ServersCandleTempData\\" + specification + ".txt";
if (Directory.Exists("Data\\ServersCandleTempData") &&
File.Exists(path))
{
try
{
using (StreamReader reader = new StreamReader(path))
{
while (reader.EndOfStream == false)
{
string str = reader.ReadLine();
Candle newCandle = new Candle();
newCandle.SetCandleFromString(str);
candlesFromOsData.Add(newCandle);
}
reader.Close();
}
}
catch (Exception e)
{
// ignore
}
}
if (candlesFromOsData.Count == 0 &&
candlesFromServer.Count == 0)
{
return(null);
}
List <Candle> resultCandles = new List <Candle>();
if (candlesFromOsData.Count != 0 &&
candlesFromServer.Count != 0)
{
resultCandles = candlesFromServer;
resultCandles.Merge(candlesFromOsData);
}
else if (candlesFromServer.Count != 0)
{
resultCandles = candlesFromServer;
}
else if (candlesFromOsData.Count != 0)
{
resultCandles = candlesFromOsData;
}
CandleSeriesSaveInfo myInfo = new CandleSeriesSaveInfo();
myInfo.Specification = specification;
myInfo.InsertCandles(resultCandles);
return(myInfo);
}