//public HistoricPrices(): base()
//{
//}
public async Task <IEnumerable <CandleData> > GetPrices(string product, string startTime = "", string endTime = "", string granularity = "")
{
StringBuilder urlBuilder = new StringBuilder();
urlBuilder.Append(string.Format(@"products/{0}/candles", product));
string endpoint = string.Format(urlBuilder.ToString());
if (!string.IsNullOrWhiteSpace(startTime))
{
urlBuilder.Append(string.Format(@"?start={0}&end={1}", startTime, endTime));
endpoint = urlBuilder.ToString();
}
if (!string.IsNullOrWhiteSpace(granularity))
{
if (endpoint.Contains("?"))
{
urlBuilder.Append(string.Format(@"&granularity={0}", granularity));
}
else
{
urlBuilder.Append(string.Format(@"?granularity={0}", granularity));
}
endpoint = urlBuilder.ToString();
}
HistoricPriceRequest request = new HistoricPriceRequest(endpoint);
ExchangeResponse genericResponse = null;
try
{
genericResponse = await this.GetResponse(request);
}
catch (Exception ex)
{
Logger.WriteLog("Error getting historic data prices: " + ex.Message + " InnerEx msg:" + ex.InnerException.Message);
throw new Exception("HistoricDataError");
}
IEnumerable <CandleData> result;
if (genericResponse.IsSuccessStatusCode)
{
var json = genericResponse.ContentBody;
//Logger.WriteLog(json);
//JArray job = new JArray(str);
//JArray jObject = new JArray();
//JObject.Parse(json);
//var prices = jObject.First.Select(x => (JArray)x).ToArray();
//var a = await Task.Factory.StartNew(() => JsonConvert.DeserializeObject<CandleData>(json));
result = await Task.Factory.StartNew(() => JsonConvert.DeserializeObject <List <JArray> >(json).Select((x) => new CandleData
{
Time = DateTimeUtilities.DateTimeFromUnixTimestampSeconds((x[0].Value <string>())).ToLocalTime(),
Low = x[1].Value <string>(),
High = x[2].Value <string>(),
Open = x[3].Value <string>(),
Close = x[4].Value <decimal>(),
Volume = x[5].Value <string>(),
LocalAvg = ((x[1].Value <decimal>() + x[2].Value <decimal>()) / 2)
}));
}
else
{
throw new Exception("ExchangeRequestError");
}
return(result);
}
