private bool UlozData(ObchodnyDen obchodnyDen)
{
var den = (DateTime.Now - obchodnyDen.Date).Days;
return den > 6;
}
public List<ObchodnyDen> ParsujKontraktXml(out bool succes, string skratene = null, int kontrakIndex = 0, string kontraktnyMesiac = null, string rok = null)
{
var list = new List<ObchodnyDen>();
succes = false;
string komodita = skratene ?? _listFuturesKontraktov[kontrakIndex - 1].Symbol + kontraktnyMesiac + rok;
//string uri = "http://www.quandl.com/api/v1/datasets/OFDP/FUTURE_" + komodita + ".xml?auth_token=UqHLDQVcxZy5AknRTZX9";
string uri = String.Format(_listFuturesKontraktov[kontrakIndex - 1].Url, komodita, string.Empty, string.Empty);
try
{
WebRequest req = WebRequest.Create(uri);
req.Proxy = WebRequest.DefaultWebProxy;
req.UseDefaultCredentials = true;
var resp = req.GetResponse();
var textReader = new StreamReader(resp.GetResponseStream());
var xmlReader = new XmlTextReader(textReader);
var doc = new XmlDocument();
doc.Load(xmlReader);
int multiplikator = VypocitajMultiplikator(doc.InnerXml);
var text = doc.InnerXml.Replace(" type=\"array\"", "").Replace(" type=\"float\"", "");
var index = text.IndexOf("<data>");
text = text.Remove(0, index);
index = text.IndexOf("</dataset>");
text = text.Substring(0, index);
text = text.Replace(" <datum>", " <den>").Replace(" </datum>", " </den>");
text = text.Replace("<datum></datum>", "<datum>0</datum>");
XDocument xdoc = XDocument.Parse(text);
var authors = xdoc.Descendants("datum");
var dlzka = authors.Count() / multiplikator;
if (dlzka > 0)
{
for (int i = 0; i < dlzka; i++)
{
var dat = authors.ElementAt(i * multiplikator + 1).Value.ToString();
var datum = DateTime.Parse(authors.ElementAt(i * multiplikator + 1).Value.ToString());
//var data = authors.ElementAt(i * multiplikator + 2).Value.ToString();
var open = double.Parse(authors.ElementAt(i * multiplikator + 2).Value.ToString(), CultureInfo.InvariantCulture);
var high = double.Parse(authors.ElementAt(i * multiplikator + 3).Value.ToString(), CultureInfo.InvariantCulture);
var low = double.Parse(authors.ElementAt(i * multiplikator + 4).Value.ToString(), CultureInfo.InvariantCulture);
var close = double.Parse(authors.ElementAt(i * multiplikator + (multiplikator == 10 ? 7 : 5)).Value.ToString(), CultureInfo.InvariantCulture);
var volume = double.Parse(authors.ElementAt(i * multiplikator + (multiplikator == 10 ? 8 : 6)).Value.ToString(), CultureInfo.InvariantCulture);
var open_interest = double.Parse(authors.ElementAt(i * multiplikator + (multiplikator == 10 ? 9 : 7)).Value.ToString(), CultureInfo.InvariantCulture);
var den = new ObchodnyDen(datum,open,high,low,close,volume,open_interest);
list.Add(den);
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
if (ZmenaPopisu != null)
{
//vyvolani udalosti
StavText = "Chyba pri stahovani "+e.Message;
ZmenaPopisu();
}
}
if (list.Count>0)
{
succes = true;
if (UlozData(list.First()))
{
PracaSoSubormi.UlozAktualnyList(list, komodita);
}
else
{
PracaSoSubormi.UlozDocasnyAktualnyList(list, komodita);
}
}
return list;
}
