public CalculateAmortizationResponse Calculate(CalculateAmortizationRequest request)
{
var payments = new List <AmortizationLine>()
{
new AmortizationLine(0, 0, 0, 0, request.Loan)
};
var monthlyRate = (double)request.Rate / 12 / 100d;
var payment = (double)request.Loan * monthlyRate / (1 - Math.Pow(1 + monthlyRate, (double)-request.Period));
for (int i = 1; i <= request.Period; i++)
{
var previousBalance = payments[i - 1].Balance;
var interest = previousBalance * (decimal)monthlyRate;
var principle = (decimal)payment - interest;
var balance = previousBalance - principle;
payments.Add(new AmortizationLine(i, (decimal)payment, principle, interest, balance));
}
return(new CalculateAmortizationResponse
{
Loan = request.Loan,
Period = request.Period,
Rate = request.Rate,
Amortization = payments
});
}
public async Task <CalculateAmortizationResponse> Calculate(CalculateAmortizationRequest request)
{
return(await _handler.Calculate(request));
}
public async Task <CalculateAmortizationResponse> Calculate(CalculateAmortizationRequest request)
{
return(await Task.FromResult(_calculator.Calculate(request)));
}