Beispiel #1
0
        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));
 }
Beispiel #3
0
 public async Task <CalculateAmortizationResponse> Calculate(CalculateAmortizationRequest request)
 {
     return(await Task.FromResult(_calculator.Calculate(request)));
 }