/// <summary>
/// This method is to execute historical date currency conversion
/// </summary>
/// <returns></returns>
public async Task HistoricalCurrencyConversion()
{
CurrencyBase currencyBase = new CurrencyBase();
Console.Clear();
Console.BackgroundColor = ConsoleColor.DarkBlue;
Console.WriteLine("-------------------------Fetch currency data by date-----------------");
Console.ResetColor();
string inputBaseCurrencyMessage = "Please enter base currency data in 3 character ISO format[Example:'EUR']";
currencyBase.BaseCurrency = GetCurrencyCode(inputBaseCurrencyMessage);
string baseCurrencyMessage = "Please enter amount in {0}:" + currencyBase.BaseCurrency;
currencyBase.BaseAmount = ReadDouble(baseCurrencyMessage);
string inputConvertedCurrencyMessage = "Please enter converted currency data in 3 character ISO format[Example:'EUR']";
currencyBase.ConvertCurrency = GetCurrencyCode(inputConvertedCurrencyMessage);
Console.WriteLine("Do you want to enter historical date?(Y/N)");
if (Console.ReadKey().Key == ConsoleKey.Y)
{
string dateMessage = "Please enter date in YYYY-MM-DD format";
currencyBase.ExchangeRateDate = ReadDatetime(dateMessage);
}
else
{
currencyBase.ExchangeRateDate = DateTime.Now;
}
APIResponse aPIResponse =
await _aPIInteraction.GetCurrencyConversionDataByDate(currencyBase, _configuration.GetValue <string>("URL"),
_configuration.GetValue <string>("AccessKey"));
ProcessCurrencyCalculationResponse(aPIResponse, currencyBase);
}
/// <summary>
/// Fetches the rates based on historical date
/// </summary>
/// <param name="baseCur"></param>
/// <param name="toCur"></param>
/// <param name="baseAmount"></param>
/// <param name="date"></param>
/// <returns></returns>
public async Task <ExchangeAPIResponse> GetHistoricalRates(string baseCur, string toCur, string baseAmount, string date)
{
ExchangeAPIResponse exchangeResponse = new ExchangeAPIResponse();
CurrencyBase currencyBase = new CurrencyBase();
currencyBase.BaseAmount = _calculationHelper.CheckIfDouble(baseAmount);
DateTime?checkDate = _calculationHelper.CheckIfDatetime(date);
if (checkDate != null && !double.IsNaN(currencyBase.BaseAmount))
{
currencyBase.BaseCurrency = baseCur;
currencyBase.ConvertCurrency = toCur;
currencyBase.ExchangeRateDate = Convert.ToDateTime(checkDate);
APIResponse aPIResponse =
await _aPIInteraction.GetCurrencyConversionDataByDate(currencyBase, _configuration.GetValue <string>("URL"),
_configuration.GetValue <string>("AccessKey"));
return(SendLatestRatesResponse(aPIResponse, currencyBase));
}
else
{
exchangeResponse.IsSuccess = false;
exchangeResponse.Description = "Parameters passed are not correct";
exchangeResponse.StatusCode = HttpStatusCode.BadRequest;
return(exchangeResponse);
}
}
