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MIFOSX-722: approximate EMI for daily interest method

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This commit is contained in:
Keith Woodlock
2013-10-27 22:57:19 +00:00
parent 2641d03c8f
commit 3729570dbc
1 changed files with 38 additions and 3 deletions
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mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/loanschedule/domain/LoanApplicationTerms.java
+38 -3
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@@ -495,10 +495,45 @@ public final class LoanApplicationTerms {
final BigDecimal divisor = BigDecimal.valueOf(Double.valueOf("100.0"));
final BigDecimal loanTermPeriodsInYearBigDecimal = BigDecimal.valueOf(loanTermPeriodsInOneYear);
final BigDecimal loanTermFrequencyBigDecimal = BigDecimal.valueOf(this.repaymentEvery);
BigDecimal periodicInterestRate = BigDecimal.ZERO;
return this.annualNominalInterestRate.divide(loanTermPeriodsInYearBigDecimal, mc).divide(divisor, mc)
.multiply(loanTermFrequencyBigDecimal);
switch (this.interestCalculationPeriodMethod) {
case INVALID:
break;
case DAILY:
// For daily work out number of days in the period
int numberOfDaysInPeriod = this.repaymentEvery;
final BigDecimal oneDayOfYearInterestRate = this.annualNominalInterestRate.divide(loanTermPeriodsInYearBigDecimal, mc).divide(divisor, mc);
switch (this.repaymentPeriodFrequencyType) {
case INVALID:
break;
case DAYS:
final BigDecimal loanTermFrequencyBigDecimal = BigDecimal.valueOf(numberOfDaysInPeriod);
periodicInterestRate = oneDayOfYearInterestRate.multiply(loanTermFrequencyBigDecimal, mc);
break;
case WEEKS:
numberOfDaysInPeriod = this.repaymentEvery * 7;
periodicInterestRate = oneDayOfYearInterestRate.multiply(BigDecimal.valueOf(numberOfDaysInPeriod), mc);
break;
case MONTHS:
numberOfDaysInPeriod = this.repaymentEvery * 30;
periodicInterestRate = oneDayOfYearInterestRate.multiply(BigDecimal.valueOf(numberOfDaysInPeriod), mc);
break;
case YEARS:
numberOfDaysInPeriod = this.repaymentEvery * 365;
periodicInterestRate = oneDayOfYearInterestRate.multiply(BigDecimal.valueOf(numberOfDaysInPeriod), mc);
break;
}
break;
case SAME_AS_REPAYMENT_PERIOD:
final BigDecimal loanTermFrequencyBigDecimal = BigDecimal.valueOf(this.repaymentEvery);
periodicInterestRate = this.annualNominalInterestRate.divide(loanTermPeriodsInYearBigDecimal, mc).divide(divisor, mc)
.multiply(loanTermFrequencyBigDecimal);
break;
}
return periodicInterestRate;
}
private long calculatePeriodsInOneYear(final PaymentPeriodsInOneYearCalculator calculator) {