public async Task Convert(RoiCalculationResult roi, string baseCurrency, string targetCurrency)
{
var conversionRate = await GetConversionRate(baseCurrency, targetCurrency);
roi.Currency = targetCurrency;
roi.Total *= conversionRate;
roi.Fees *= conversionRate;
}
public async Task <RoiCalculationResult> Calculate(RoiCalculationRequest request)
{
var roi = new RoiCalculationResult()
{
Currency = _roiConfiguration.BaseCurrency, //It will be change to target currency once an actual conversion is applied.
Total = 0,
Fees = _roiConfiguration.BaseFee
};
// Apply each rule to investment allocation and amount;
request.InvestmentOptions.ForEach(option =>
{
var investmentOptionInformation = _roiConfiguration.InvestmentBusinessRules.Find(op => op.Id == option.Id);
if (investmentOptionInformation is null)
{
throw new Exception("INVALID_OPTION");
}
var investmentAmountForOption = request.InvestmentAmount * option.AllocatedProportion;
var optionRoi = investmentOptionInformation.CalculateRoiForAmount(investmentAmountForOption, option.AllocatedProportion);
roi.Total += optionRoi.Value;
roi.Fees += optionRoi.Fee;
});
try
{
await _currencyConverter.Convert(roi, _roiConfiguration.BaseCurrency, _roiConfiguration.TargetCurrency);
}
catch (Exception ex)
{
// TODO: log this exception.
Debug.Write(ex);
// If something happens with the Fx rates service we just return in the same currency.
}
return(roi);
}
