protected decimal TestShim(int year, StudentLoanPlan plan, decimal gross, PayPeriods periods)
{
if (CalculationEngine == null)
{
CalculationEngine = new StudentLoans();
CalculationEngine.SetTaxYearSpecificsProvider(new JsonTaxYearSpecificProvider());
}
CalculationEngine.SetTaxYear(year);
return(CalculationEngine.CalculateStudentLoanDeduction(plan, gross, periods).StudentLoanDeduction);
}
public StudentLoanCalculation CalculateStudentLoanDeduction(StudentLoanPlan plan, decimal gross, PayPeriods periods)
{
decimal threshold = 0, rate = 0, periodAdjustedThreshold, thresholdAdjustedGross, deduction;
int periodCnt = 52;
int weeksInPeriod = 1;
if (periods == PayPeriods.Monthly)
{
periodCnt = 12;
}
else
{
weeksInPeriod = (int)Math.Round((decimal)periodCnt / (int)periods);
}
switch (plan)
{
case StudentLoanPlan.Plan1:
threshold = taxYearConfigurationData.Plan1StudentLoanThreshold;
rate = taxYearConfigurationData.Plan1StudentLoanRate;
break;
case StudentLoanPlan.Plan2:
threshold = taxYearConfigurationData.Plan2StudentLoanThreshold;
rate = taxYearConfigurationData.Plan2StudentLoanRate;
break;
case StudentLoanPlan.Plan4:
threshold = taxYearConfigurationData.Plan4StudentLoanThreshold;
rate = taxYearConfigurationData.Plan4StudentLoanRate;
break;
case StudentLoanPlan.PostGrad:
threshold = taxYearConfigurationData.PostGradStudentLoanThreshold;
rate = taxYearConfigurationData.PostGradStudentLoanRate;
break;
}
periodAdjustedThreshold = TaxMath.Truncate(((threshold * weeksInPeriod) / periodCnt), 2);
thresholdAdjustedGross = Math.Max(0, gross - periodAdjustedThreshold);
deduction = Math.Floor(thresholdAdjustedGross * rate);
return(new StudentLoanCalculation
{
Gross = gross,
Threshold = threshold,
Rate = rate,
PeriodAdjustedThreshold = periodAdjustedThreshold,
ThresholdAdjustedGross = thresholdAdjustedGross,
StudentLoanDeduction = deduction
});
}
public StudentLoanCalculationResult CalculateStudentLoanDeduction(StudentLoanPlan plan, decimal gross, PayPeriods periods)
{
decimal threshold = 0, rate = 0, periodAdjustedThreshold, thresholdAdjustedGross, deduction;
int periodCnt = 52;
int weeksInPeriod = 1;
if (periods == PayPeriods.Monthly)
{
periodCnt = 12;
}
else
{
weeksInPeriod = (int)Math.Round((decimal)periodCnt / (int)periods);
}
switch (plan)
{
case StudentLoanPlan.Plan1:
threshold = TaxYearSpecificProvider.GetSpecificValue <decimal>(TaxYearSpecificValues.Plan1StudentLoanThreshold);
rate = TaxYearSpecificProvider.GetSpecificValue <decimal>(TaxYearSpecificValues.Plan1StudentLoanRate);
break;
case StudentLoanPlan.Plan2:
threshold = TaxYearSpecificProvider.GetSpecificValue <decimal>(TaxYearSpecificValues.Plan2StudentLoanThreshold);
rate = TaxYearSpecificProvider.GetSpecificValue <decimal>(TaxYearSpecificValues.Plan2StudentLoanRate);
break;
}
periodAdjustedThreshold = TaxMath.Truncate(((threshold * weeksInPeriod) / periodCnt), 2);
thresholdAdjustedGross = Math.Max(0, gross - periodAdjustedThreshold);
deduction = Math.Floor(thresholdAdjustedGross * rate);
return(new StudentLoanCalculationResult
{
Gross = gross,
Threshold = threshold,
Rate = rate,
PeriodAdjustedThreshold = periodAdjustedThreshold,
ThresholdAdjustedGross = thresholdAdjustedGross,
StudentLoanDeduction = deduction
});
}
protected decimal TestShim(int year, StudentLoanPlan plan, decimal gross, PayPeriods periods)
{
var studentLoanCalculationEngine = studentLoanFactory.CreateStudentLoanCalculationEngine(year);
return(studentLoanCalculationEngine.CalculateStudentLoanDeduction(plan, gross, periods).StudentLoanDeduction);
}
