public void MaturityCompletionDate(Loan loan, double expected)
{
var rule = new DuchessOfDunderly.LoanRule.MaturityCompletionDate.LoanRule(new Discount.MaturityCompletionDate.Discount());
LoanException result = rule.CalculateLoanException(loan);
Assert.Equal(expected, result.Discount);
}
public void InterestProfile(Loan loan, double expected)
{
var rule = new DuchessOfDunderly.LoanRule.InterestProfile.LoanRule(new Discount.InterestProfile.Discount());
LoanException result = rule.CalculateLoanException(loan);
Assert.Equal(expected, result.Discount);
}
public void CurrentLTV(Loan loan, double expected)
{
var rule = new DuchessOfDunderly.LoanRule.CurrentLTV.LoanRule(new Discount.CurrentLTV.Discount());
LoanException result = rule.CalculateLoanException(loan);
Assert.Equal(expected, result.Discount);
}
public override LoanException CalculateLoanException(Loan source)
{
LoanException result = new LoanException();
if (source.MaturityDate < source.CompletionDate)
{
result.Trigger(1, exceptionDiscount.CalculateDiscount(source));
}
return(result);
}
public override LoanException CalculateLoanException(Loan source)
{
LoanException result = new LoanException();
if (source.CurrentLTV > source.OriginalLTV)
{
result.Trigger(3, exceptionDiscount.CalculateDiscount(source));
}
// result.Trigger(3, CalculateDiscount(source));
return(result);
}
public override LoanException CalculateLoanException(Loan source)
{
LoanException result = new LoanException();
double total_monthly_income = (source.IncomeBorrower1 + source.IncomeBorrower2) / 12;
if (source.CMS > total_monthly_income)
{
result.Trigger(4, exceptionDiscount.CalculateDiscount(source));
}
return(result);
}
public override LoanException CalculateLoanException(Loan source)
{
LoanException result = new LoanException();
if (source.CurrentIndex.Equals("FIX", StringComparison.InvariantCultureIgnoreCase) &&
(source.CurrentMargin.NotEqual(source.CurrentInterestRate)))
{
result.Trigger(2, exceptionDiscount.CalculateDiscount(source));
}
return(result);
}
public void CalculateLoanGrades()
{
foreach (Loan loan in repo.Get())
{
LoanGrade grade = new LoanGrade(loan.LoanID);
foreach (IExceptionRule rule in rules)
{
LoanException loanException = rule.CalculateLoanException(loan);
if (loanException.Triggered)
{
grade.AddException(loanException);
}
}
grade.Recalculate();
loan.Grade = grade;
grades.Add(grade);
}
}
