public ExchangeRateResult GetExchangeRate(string baseCurrencyCode, string targetCurrencyCode, DateTime conversionDateUtc)
{
if (string.IsNullOrWhiteSpace(baseCurrencyCode) || string.IsNullOrWhiteSpace(targetCurrencyCode))
{
throw new ArgumentException("The base and target currency codes must be provided");
}
if (conversionDateUtc == default(DateTime))
{
throw new ArgumentException("Please prove a valid conversion date.");
}
if (baseCurrencyCode.Equals(targetCurrencyCode, StringComparison.InvariantCultureIgnoreCase))
{
return(new ExchangeRateResult
{
Base = baseCurrencyCode,
Date = DateTime.UtcNow,
Rate = 1.0f,
Target = targetCurrencyCode
});
}
// if the conversion date is in the future we will use today
if (conversionDateUtc > DateTime.UtcNow)
{
conversionDateUtc = DateTime.UtcNow;
}
try
{
var result = MSWebRequest.RequestJson(
string.Format(FIXER_RATE_URL_BASE,
conversionDateUtc.ToString("yyyy-MM-dd"),
baseCurrencyCode));
var rate = result.rates[targetCurrencyCode];
var exchangeRate = new ExchangeRateResult
{
Base = result.@base,
Date = DateTime.ParseExact(result.date.ToString(), "yyyy-MM-dd", CultureInfo.InvariantCulture, DateTimeStyles.None),
Target = targetCurrencyCode,
Rate = (float)result.rates[targetCurrencyCode]
};
return(exchangeRate);
}
catch (Exception e)
{
throw new RequestExchangeRateException(
$"Failed to request exchange rate. From {baseCurrencyCode} to {targetCurrencyCode} on {conversionDateUtc.ToShortDateString()}.", e);
}
}
public JsonResult ExchangeRate()
{
ExchangeRateResult rate = new ExchangeRateResult();
XmlDocument xmlExchange = new XmlDocument();
xmlExchange.Load("http://www.tcmb.gov.tr/kurlar/today.xml");
decimal dolar = Convert.ToDecimal(xmlExchange.SelectSingleNode(string.Format("Tarih_Date/Currency[@Kod='{0}']/ForexSelling", "USD")).InnerText.Replace('.', ','));
decimal Euro = Convert.ToDecimal(xmlExchange.SelectSingleNode(string.Format("Tarih_Date/Currency[@Kod='{0}']/ForexSelling", "EUR")).InnerText.Replace('.', ','));
rate.Result = true;
rate.Dollar = dolar;
rate.Euro = Euro;
return(Json(rate, JsonRequestBehavior.AllowGet));
}
private ExchangeRateResult ConvertToExchangeRateResult(ExchangeRate excRate)
{
var result = new ExchangeRateResult
{
Documentation = excRate.documentation,
Result = excRate.result,
TermsOfUse = excRate.terms_of_use,
TimeLastUpdate = excRate.time_last_update,
TimeNextUpdate = excRate.time_next_update,
TimeZone = excRate.result,
ConversionRates = new Dictionary <string, double>()
};
Type myClassType = excRate.conversion_rates.GetType();
PropertyInfo[] properties = myClassType.GetProperties();
foreach (PropertyInfo property in properties)
{
result.ConversionRates.Add(property.Name, (double)property.GetValue(excRate.conversion_rates, null));
}
return(result);
}
