/// <summary>
/// Returns Forex time series for a given currencies pair
/// </summary>
/// <param name="forexClient"></param>
/// <param name="fromCurrency"></param>
/// <param name="toCurrency"></param>
/// <param name="interval"></param>
/// <param name="outputSize"></param>
/// <returns></returns>
public static async Task <ForexTimeSeries> GetTimeSeriesAsync(this ForexClient forexClient,
PhysicalCurrency fromCurrency,
PhysicalCurrency toCurrency,
Interval interval,
OutputSize outputSize = OutputSize.Compact)
{
var parser = new ForexTimeSeriesParser(interval, fromCurrency, toCurrency);
var query = new Dictionary <string, string>()
{
{ ApiQueryConstants.FromSymbolQueryVar, fromCurrency.ToString() },
{ ApiQueryConstants.ToSymbolQueryVar, toCurrency.ToString() },
};
var function = interval.ConvertToApiFunction();
if (function == ApiFunction.FX_INTRADAY)
{
query.Add(ApiQueryConstants.IntervalQueryVar, interval.ConvertToQueryString());
}
if (function == ApiFunction.FX_INTRADAY || function == ApiFunction.FX_DAILY)
{
query.Add(ApiQueryConstants.OutputSizeQueryVar, outputSize.ConvertToQueryString());
}
return(await forexClient.RequestApiAsync(parser, function, query));
}
public ForexTimeSeriesParser(
Interval timeSeriesInterval,
PhysicalCurrency fromSymbol,
PhysicalCurrency toSymbol) : base(timeSeriesInterval)
{
_fromSymbol = fromSymbol;
_toSymbol = toSymbol;
}
public CryptoTimeSeriesParser(
Interval timeSeriesInterval,
DigitalCurrency fromSymbol,
PhysicalCurrency toSymbol) : base(timeSeriesInterval)
{
_fromSymbol = fromSymbol;
_toSymbol = toSymbol;
_parsingDelegates = CreateParsingDelegates(toSymbol);
}
/// <summary>
/// Returns exchange rate for a given currencies pair
/// </summary>
/// <param name="forexClient"></param>
/// <param name="fromCurrency"></param>
/// <param name="toCurrency"></param>
/// <returns></returns>
public static async Task <ForexExchangeRate> GetExchangeRateAsync(this ForexClient forexClient,
PhysicalCurrency fromCurrency, PhysicalCurrency toCurrency)
{
var query = new Dictionary <string, string>()
{
{ ApiQueryConstants.FromCurrencyQueryVar, fromCurrency.ToString() },
{ ApiQueryConstants.ToCurrencyQueryVar, toCurrency.ToString() }
};
return(await forexClient.RequestApiAsync(ExchangeRateParser, ApiFunction.CURRENCY_EXCHANGE_RATE, query));
}
public static PhysicalCurrency ParseToCurrency(this string stringToParse)
{
if (stringToParse == EMPTY_VALUE)
{
return(0);
}
PhysicalCurrency result = PhysicalCurrency.AED;
if (!Enum.TryParse(stringToParse, out result))
{
throw new FormatException("The currency code did not match a known currency code");
}
return(result);
}
/// <summary>
/// Returns cryptocurrency time series for requested currencies pair
/// </summary>
/// <param name="cryptoClient"></param>
/// <param name="fromCurrency"></param>
/// <param name="toCurrency"></param>
/// <param name="interval"></param>
/// <returns></returns>
public static async Task <CryptoTimeSeries> GetTimeSeriesAsync(this CryptoClient cryptoClient,
DigitalCurrency fromCurrency,
PhysicalCurrency toCurrency,
Interval interval)
{
var parser = new CryptoTimeSeriesParser(interval, fromCurrency, toCurrency);
var function = interval.ConvertToApiFunction();
var query = new Dictionary <string, string>()
{
{ ApiQueryConstants.SymbolQueryVar, fromCurrency.ToString().Replace("_", "") },
{ "market", toCurrency.ToString() }
};
return(await cryptoClient.RequestApiAsync(parser, function, query));
}
private static Dictionary <string, Action <CryptoDataPoint, string> > CreateParsingDelegates(PhysicalCurrency currency)
{
var result = new Dictionary <string, Action <CryptoDataPoint, string> >(ConstantParsingDelegates)
{
{
$"open ({currency.ToString()})",
(dataPoint, strValue) => { dataPoint.OpeningPrice = strValue.ParseToDecimal(); }
},
{
$"high ({currency.ToString()})",
(dataPoint, strValue) => { dataPoint.HighestPrice = strValue.ParseToDecimal(); }
},
{
$"low ({currency.ToString()})",
(dataPoint, strValue) => { dataPoint.LowestPrice = strValue.ParseToDecimal(); }
},
{
$"close ({currency.ToString()})",
(dataPoint, strValue) => { dataPoint.ClosingPrice = strValue.ParseToDecimal(); }
}
};
return(result);
}
