/// <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);
}
}
/// <summary>
/// Method to retrieve data from the WebAPI for Historical Converter and show in graph
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public IActionResult GetData(HistoricalTimeFrameModel model)
{
string uRl = _configuration.GetValue <string>("URL") + "GetHistoricalDataByTimeFrame?toCur=" + model.toCurrency + "&startDate="
+ model.startDate.ToString("yyyy-MM-dd") + "&endDate=" + model.endDate.ToString("yyyy-MM-dd");
ExchangeAPIResponse exchangeAPIResponse = GetExchangeAPIResponse(uRl);
if (exchangeAPIResponse != null && exchangeAPIResponse.IsSuccess)
{
var queryGraph = exchangeAPIResponse.ExchangeRatesByDate.Select(a => new { date = a.Key, rate = Convert.ToDouble(a.Value) }).ToList();
return(Json(queryGraph));
}
return(RedirectToAction("Index"));
}
public async Task <ActionResult> GetHistoricalDataByTimeFrame([FromQuery] string toCur, [FromQuery] string startDate, [FromQuery] string endDate)
{
if (!string.IsNullOrEmpty(toCur) && !string.IsNullOrEmpty(startDate) && !string.IsNullOrEmpty(endDate))
{
ExchangeAPIResponse exchangeAPIResponse = await _aPIHelperService.GetHistoricalDataByTimeFrame(toCur, startDate, endDate);
if (exchangeAPIResponse.IsSuccess)
{
return(Ok(exchangeAPIResponse));
}
}
return(BadRequest());
}
public async Task <ExchangeAPIResponse> GetHistoricalDataByTimeFrame(string toCur, string startDate, string endDate)
{
ExchangeAPIResponse exchangeAPIResponse = new ExchangeAPIResponse();
DateTime? checkStartDate = _calculationHelper.CheckIfDatetime(startDate);
DateTime? checkEndDate = _calculationHelper.CheckIfDatetime(endDate);
if (checkStartDate != null && checkEndDate != null)
{
exchangeAPIResponse.IsSuccess = true;
exchangeAPIResponse.StatusCode = HttpStatusCode.OK;
exchangeAPIResponse.ExchangeRatesByDate =
_exchangeRatesService.GetExchangeRatesByTimeFrame((DateTime)checkStartDate, (DateTime)checkEndDate, toCur);
}
return(exchangeAPIResponse);
}
public IActionResult LatestConverter(AppModel appModel)
{
if (ModelState.IsValid)
{
string uRl = _configuration.GetValue <string>("URL") + "GetLatestData?baseCur=" + appModel.baseCurrency + "&toCur="
+ appModel.toCurrency + "&baseAmount=" + appModel.baseAmount;
ExchangeAPIResponse exchangeAPIResponse = GetExchangeAPIResponse(uRl);
if (exchangeAPIResponse != null && exchangeAPIResponse.IsSuccess)
{
appModel.convertedAmount = exchangeAPIResponse.ConvertedAmount;
TempData["AppModel"] = JsonConvert.SerializeObject(appModel);
return(RedirectToAction("ShowConvertedData"));
}
}
return(RedirectToAction("Index"));
}
/// <summary>
/// This method sends the response with the new calculation
/// </summary>
/// <param name="aPIResponse"></param>
/// <param name="currencyBase"></param>
/// <returns></returns>
public ExchangeAPIResponse SendLatestRatesResponse(APIResponse aPIResponse, CurrencyBase currencyBase)
{
ExchangeAPIResponse exchangeAPIResponse = new ExchangeAPIResponse();
if (aPIResponse.success)
{
exchangeAPIResponse.IsSuccess = true;
exchangeAPIResponse.StatusCode = HttpStatusCode.OK;
exchangeAPIResponse.ConvertedAmount = _calculationHelper.GetConvertedAmount(aPIResponse.rates, currencyBase);
exchangeAPIResponse.Date = (currencyBase.ExchangeRateDate == DateTime.MinValue) ? String.Empty
: currencyBase.ExchangeRateDate.ToString("yyyy-MM-dd");
exchangeAPIResponse.Description = "Successfully found rates";
}
else
{
exchangeAPIResponse.IsSuccess = false;
exchangeAPIResponse.Description = (aPIResponse.error != null)? aPIResponse.error.info: "There was an error processing the data";
exchangeAPIResponse.StatusCode = HttpStatusCode.BadRequest;
}
return(exchangeAPIResponse);
}
public async Task <ActionResult> GetLatestData([FromQuery] string baseCur, [FromQuery] string toCur, [FromQuery] string baseAmount)
{
ExchangeAPIResponse exchangeAPIResponse = new ExchangeAPIResponse();
if (!string.IsNullOrEmpty(baseCur) && !string.IsNullOrEmpty(toCur) && !string.IsNullOrEmpty(baseAmount))
{
exchangeAPIResponse = await _aPIHelperService.GetLatestConversion(baseCur, toCur, baseAmount);
if (exchangeAPIResponse.IsSuccess)
{
return(Ok(exchangeAPIResponse));
}
else
{
return(BadRequest(exchangeAPIResponse));
}
}
else
{
return(BadRequest());
}
}
/// <summary>
/// This method is to fetch latest rates
/// </summary>
/// <param name="baseCur"></param>
/// <param name="toCur"></param>
/// <param name="baseAmount"></param>
/// <returns></returns>
public async Task <ExchangeAPIResponse> GetLatestConversion(string baseCur, string toCur, string baseAmount)
{
ExchangeAPIResponse exchangeResponse = new ExchangeAPIResponse();
CurrencyBase currencyBase = new CurrencyBase();
currencyBase.BaseAmount = _calculationHelper.CheckIfDouble(baseAmount);
if (!double.IsNaN(currencyBase.BaseAmount))
{
currencyBase.BaseCurrency = baseCur;
currencyBase.ConvertCurrency = toCur;
APIResponse aPIResponse =
await _aPIInteraction.GetCurrencyConversionData(currencyBase, _configuration.GetValue <string>("URL"),
_configuration.GetValue <string>("AccessKey"));
return(SendLatestRatesResponse(aPIResponse, currencyBase));
}
else
{
exchangeResponse.IsSuccess = false;
exchangeResponse.Description = "Base Amount is not a valid number";
exchangeResponse.StatusCode = HttpStatusCode.BadRequest;
return(exchangeResponse);
}
}