public override CommonDataProvider GetData(string symbols, DataCycle dataCycle, DateTime startTime, DateTime endTime)
{
byte[] bs = DownloadBinary(symbols, "http://subscribe.easychart.net/member/datafeed.aspx?f=BinaryHistory&AddWhenNoSymbol=1&Symbol=" + symbols);
if (bs != null)
{
CommonDataProvider cdp = new CommonDataProvider(null);
cdp.LoadByteBinary(bs);
cdp.SetStringData("Code", symbols.ToUpper());
return(cdp);
}
return(null);
}
public override IDataProvider GetData(string Code, int Count)
{
ddm.DownloadRealTimeQuote = this.DownloadRealTimeQuote;
CommonDataProvider cdp = (CommonDataProvider)ddm[Code, Count];
if (!cdp.HasData)
{
EasyStockChartDataFeed df = new EasyStockChartDataFeed();
try
{
byte[] bs = df.BinaryHistory(Code, true);
if (bs != null)
{
cdp.LoadByteBinary(bs);
DBDataManager.UpdateForNewSymbol(Code, cdp, Config.SaveInServerDataManager);
}
}
catch
{
}
}
return(cdp);
}
public override IDataProvider GetData(string Code, int Count)
{
Code = Code.Trim();
Hashtable htList = GetSymbolListHashtable();
string s = (string)htList[Code];
CommonDataProvider cdpn = new CommonDataProvider(this);
byte[] bs = new byte[] {};
string[] ss = null;
if (s != null)
{
ss = s.Split(',');
if (ss[3] != "")
{
string r = (string)htList[ss[3]];
if (r != null)
{
ss = r.Split(',');
}
}
if (Count > 0)
{
// Load data from file
bs = LoadHisDataFromFile(Code, Count * DataPacket.PacketByteSize);
if (DownloadRealTimeQuote)
{
try
{
DataPacket dp = DataPacket.DownloadFromYahoo(Code);
if (dp != null && !dp.IsZeroValue)
{
bs = CommonDataProvider.MergeOneQuote(bs, dp);
}
}
catch
{
}
}
cdpn.LoadByteBinary(bs);
// Update data from yahoo
if (AutoYahooToDB)
{
string FileName = GetHisDataFile(Code);
DateTime d = new DateTime(1900, 1, 1);
try
{
d = File.GetLastWriteTime(FileName); // GetLastAccessTime(FileName);
}
catch
{
}
DateTime d1 = DateTime.Now.Date;
DateTime d2 = d.Date;
TimeSpan ts = d1 - d2;
if (ts.TotalDays > 0)
{
YahooDataManager ydm = new YahooDataManager();
CommonDataProvider cdpDelta = (CommonDataProvider)ydm[Code, ts.Days + 5];
cdpDelta.Adjusted = false;
if (cdpDelta.Count > 0)
{
double[] dd1 = cdpDelta["DATE"];
double[] dd2 = cdpn["DATE"];
if (cdpn.Count == 0 || (int)dd2[dd2.Length - 1] < (int)dd1[dd1.Length - 1])
{
cdpn.Merge(cdpDelta);
Impersonate.ChangeToAdmin();
Utils.UpdateRealtime(Code, cdpn);
}
}
cdpn.SaveBinary(FileName);
}
}
}
}
else
{
try
{
// Download data from yahoo
if (AutoYahooToDB)
{
YahooDataManager ydm = new YahooDataManager();
cdpn = (CommonDataProvider)ydm[Code];
if (cdpn.Count > 0)
{
UpdateForNewSymbol(Code, cdpn, true);
}
else
{
throw new Exception("Invalid Quote : " + Code);
}
}
else
{
cdpn.LoadByteBinary(bs);
}
}
catch (Exception e)
{
Tools.Log(e.Message);
cdpn.LoadByteBinary(bs);
}
}
//cdpn = TrimToEndTime(cdpn);
cdpn.SetStringData("Code", Code);
if (ss != null && ss.Length > 2)
{
cdpn.SetStringData("Code", ss[0]);
cdpn.SetStringData("Name", ss[1]);
cdpn.SetStringData("Exchange", ss[2]);
}
return(cdpn);
}