private IEnumerable <CandleData> downloadSegment(StartEndTimes segment)
{
HistoricPrices historicData = new HistoricPrices();
try
{
//Logger.WriteLog(string.Format("downloading data: {0} - {1}", segment.Start.ToString(), segment.End.ToString()));
//var temp = historicData.GetPrices(
// product: ProductName,
// granularity: "60",
// startTime: segment.Start.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ssZ"),
// endTime: segment.End.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ssZ")).Result;
var temp = historicData.GetPrices(
product: ProductName,
granularity: "60",
startTime: segment.Start.ToUniversalTime().ToString("s", System.Globalization.CultureInfo.InvariantCulture),
endTime: segment.End.ToUniversalTime().ToString("s", System.Globalization.CultureInfo.InvariantCulture)).Result;
//("s", System.Globalization.CultureInfo.InvariantCulture)
if (temp != null)
{
//if (temp.Count() > 0)
// extraData.AddRange(temp);
return(temp);
}
else
{
return(null);
}
}
catch (Exception ex)
{
delayTime += 200;
Logger.WriteLog("Error downloading additional data, retrying with " + delayTime.ToString() + " ms delay. (" + ex.Message + ")");
return(null);
}
}
private bool DownloadDataFromDateTillNow(bool createNewDB = false)
{
HistoricPrices historicData = new HistoricPrices();
const int HOURS = 5;
List <CandleData> extraData = new List <CandleData>();
DateTime startDate = new DateTime();
if (createNewDB)
{
startDate = DateTime.Now.AddMonths(-1);
}
//startDate = DateTime.Now.AddYears(-1);//get all data from past year //new DateTime(2017,06,1,0,0,0);
else
{
startDate = RawExchangeData.First().Time.AddMinutes(1);
}
var endDate = DateTime.Now.AddMinutes(-1); //one min less of now
var startDt = startDate; // from older date to newer date
var endDt = startDt.AddHours(HOURS);
do
{
if (startDt > endDt)
{
startDt = endDt;
}
if (endDt > endDate)
{
endDt = endDate;
}
try
{
Logger.WriteLog(string.Format("downloading data: {0} - {1}", startDt.ToString(), endDt.ToString()));
var temp = historicData.GetPrices(
product: ProductName,
granularity: "60",
startTime: startDt.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ssZ"),
endTime: endDt.ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ssZ")).Result;
startDt = temp.First().Time.AddMinutes(2); //most recent plus one min + one min to compensate
endDt = startDt.AddHours(HOURS); // start date plus 5 hours
//System.Diagnostics.Debug.Print("start:{0} end:{1}",startDt, endDt);
if (temp != null)
{
if (temp.Count() > 0)
{
extraData.AddRange(temp);
}
}
else
{
return(false);
}
}
catch (Exception ex)
{
delayTime += 200;
Logger.WriteLog("Error downloading additional data, retrying with " + delayTime.ToString() + " ms delay. (" + ex.Message + ")");
return(false);
}
System.Threading.Thread.Sleep(delayTime);
} while (startDt <= endDate);
extraData = extraData.OrderByDescending((d) => d.Time).ToList();
//extraData.ForEach((d) => { System.Diagnostics.Debug.Print(d.Time.ToString()); });
RawExchangeData.AddRange(extraData);
RawExchangeData = RawExchangeData.OrderByDescending(d => d.Time).ToList();
Logger.WriteLog("done downloading additional data from server");
return(true);
}