/// <summary>
/// Parses plain txt update to CryptoCurrencyUpdate
/// sample input: 42["m","0~Bitfinex~BTC~USD~1~159021061~1515488499~0.119~15091.30724464~1795.86556211216~1f"]
/// </summary>
/// <param name="str"></param>
/// <returns>Return null if parsing was not possible</returns>
private CryptoCurrencyUpdate Parse(String str)
{
if (str.Length < 3 || !str.Substring(0, 2).Equals("42"))
{
return(null);
}
CryptoCurrencyUpdate retVal = new CryptoCurrencyUpdate();
var strValues = str.Substring(2).Split(',')[1].Split('~');
if (strValues[0].Substring(1) != "0")
{
return(null);
}
retVal.ExchangeName = strValues[1];
retVal.CryptoCurrencyName = strValues[2];
retVal.FiatCurrencyName = strValues[3];
decimal decVal;
if (decimal.TryParse(strValues[7], NumberStyles.Number, CultureInfo.InvariantCulture, out decVal))
{
retVal.Quantity = decVal;
}
if (decimal.TryParse(strValues[8], NumberStyles.Number, CultureInfo.InvariantCulture, out decVal))
{
retVal.LastPrice = decVal;
}
return(retVal);
}
public static async void CheckAlerts(List <AlertSetting> alertSettings, string sData)
{
//parse data to get current prices
CryptoCurrencyUpdate cUpdate = Parse(sData);
if (cUpdate != null)
{
string sExchange = cUpdate.ExchangeName;
string sCurrencyPair = cUpdate.CryptoCurrencyName + "/" + cUpdate.FiatCurrencyName;
if (alertSettings != null)
{
//loop through settings to see if we need to send any
foreach (AlertSetting aSetting in alertSettings)
{
//check for match
if (aSetting.Exchanx.SName == cUpdate.ExchangeName &&
aSetting.CurrencyPair.SName == (cUpdate.CryptoCurrencyName + "/" + cUpdate.FiatCurrencyName))
{
//check for setting conditions
if (cUpdate.LastPrice > aSetting.PriceHigh)
{
await CreateAlert(aSetting.IAlertSettingId, aSetting.IUserId.Value, "Price Up", "");
}
else if (cUpdate.LastPrice < aSetting.PriceLow)
{
await CreateAlert(aSetting.IAlertSettingId, aSetting.IUserId.Value, "Price Down", "");
}
}
}
}
}
}
