/// <summary>
/// Смята резултатите на финансовия калкулатор
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public CreditCalcResults Calculate(CreditCalcParams p)
{
IsParamsValid(p);
CreditCalcResults res = null;
if (p.IsAnnuityInstallments)
{
res = CalculateAnnuity(p);
}
else
{
res = CalculateDescending(p);
}
APRCalculator aprCalc = new APRCalculator(p.Amount);
foreach (var m in res.MonthlyInstallments)
{
if (m.RowNumber == 0)
{
aprCalc.AddInstalment(m.Fees, 0);
}
else
{
aprCalc.AddInstalment(m.TotalInstallment, 365.25M / 12M * m.RowNumber);
}
res.TotalFees += m.Fees;
res.TotalRates += m.RateInstallment;
res.TotalInstallments += m.Installment;
}
res.AnnualPercentageRate = aprCalc.Calculate();
res.TotalInstallmentsWithTotalFeesAndRates = res.TotalInstallments + res.TotalFees;
return(res);
}
public LeasingCalcResults Calculate(LeasingCalcParams p)
{
IsParamsValid(p);
LeasingCalcResults res = new LeasingCalcResults();
decimal loanAmount = (decimal)p.Price - (decimal)p.InitialInstallment;
APRCalculator aprCalc = new APRCalculator(loanAmount);
decimal initialFee = GetFeeAmount(p.Price.Value, p.InitialManagementFee, p.TreatInitialManagementFeeAsPercent);
aprCalc.AddInstalment(initialFee, 0);
for (int i = 1; i <= p.Period; i++)
{
aprCalc.AddInstalment(p.MonthlyInstallment.Value, 365.25M / 12M * i);
}
res.AnnualPercentRate = Math.Round(aprCalc.Calculate(), 2);
res.TotalFees = Math.Round(initialFee, 2);
res.TotalPaidWithFees = Math.Round(p.MonthlyInstallment.Value * p.Period.Value + p.InitialInstallment.Value + res.TotalFees, 2);
return(res);
}
