public static async Task <NbRbRates> GetRatesForDate(DateTime date)
{
string uri = "http://www.nbrb.by/API/ExRates/Rates?onDate=" + $"{date:yyyy-M-d}" + "&Periodicity=0";
var response = await MyRequest.GetAsync(uri);
var nbList = (List <NbRbSiteRate>)JsonConvert.DeserializeObject(response, typeof(List <NbRbSiteRate>));
if (nbList.Count == 0)
{
return(null);
}
var result = new NbRbRates();
var usdRate = nbList.First(c => c.Cur_Abbreviation == "USD");
result.Usd.Value = usdRate.Cur_OfficialRate;
result.Usd.Unit = usdRate.Cur_Scale;
var euroRate = nbList.First(c => c.Cur_Abbreviation == "EUR");
result.Euro.Value = euroRate.Cur_OfficialRate;
result.Euro.Unit = euroRate.Cur_Scale;
var rubRate = nbList.First(c => c.Cur_Abbreviation == "RUB");
result.Rur.Value = rubRate.Cur_OfficialRate;
result.Rur.Unit = rubRate.Cur_Scale;
return(result);
}
public static async Task <double> GetRateForDate(DateTime date)
{
string uri = "http://www.cbr.ru/currency_base/daily/?date_req=" + $"{date:dd.MM.yyyy}";
var response = await MyRequest.GetAsync(uri);
var index = response.IndexOf("USD", StringComparison.CurrentCulture);
var rateStr = response.Substring(index + 65, 7);
return(double.TryParse(rateStr, NumberStyles.Any, new CultureInfo("ru-RU"), out double rate) ? rate : 0);
}