public void CalculateMonthlyPayment(double amount, int duration, double monthlyPayment)
{
var serviceModel = new LoanCalculationServiceModel
{
Amount = amount,
Duration = duration
};
var result = loanCalculationService.CalculateLoan(serviceModel);
Assert.AreEqual(Math.Round(monthlyPayment), Math.Round(result.MonthlyPayment));
}
public void CalculateInterestRate(double amount, int duration, double interestsRate)
{
var serviceModel = new LoanCalculationServiceModel
{
Amount = amount,
Duration = duration
};
var result = loanCalculationService.CalculateLoan(serviceModel);
Assert.AreEqual(Math.Round(interestsRate), Math.Round(result.InterestRate));
}
public void CalculateAdministrationFee(double amount, int duration, double administrationFee)
{
var serviceModel = new LoanCalculationServiceModel
{
Amount = amount,
Duration = duration
};
var result = loanCalculationService.CalculateLoan(serviceModel);
Assert.AreEqual(Math.Round(administrationFee), Math.Round(result.AdministrationFee));
}
public LoanResultServiceModel CalculateLoan(LoanCalculationServiceModel serviceModel)
{
var result = new LoanResultServiceModel
{
DurationOfLoan = serviceModel.Duration,
LoanAmount = serviceModel.Amount,
InterestRate = CalculateInterestRate(serviceModel.Amount, serviceModel.Duration),
AdministrationFee = CalculateAdministrationFee(serviceModel.Amount),
};
result.TotalLoanAmount = result.InterestRate + result.LoanAmount + result.AdministrationFee;
result.MonthlyPayment = CalculateMonthlyPayment(result.TotalLoanAmount, result.DurationOfLoan);
return(result);
}
public void Run(Parameters options)
{
var writeServiceModel = new LoanCalculationServiceModel()
{
Amount = options.Amount,
Duration = options.Duration,
};
var result = LoanCalculationService.CalculateLoan(writeServiceModel);
var report = LoanReportService.GenerateReport(result);
Console.WriteLine(report);
Console.ReadLine();
}
