/**
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.mifosplatform.portfolio.loanaccount.domain.transactionprocessor.impl;
import java.util.List;
import org.joda.time.LocalDate;
import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
import org.mifosplatform.organisation.monetary.domain.Money;
import org.mifosplatform.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallment;
import org.mifosplatform.portfolio.loanaccount.domain.LoanTransaction;
import org.mifosplatform.portfolio.loanaccount.domain.transactionprocessor.AbstractLoanRepaymentScheduleTransactionProcessor;
import org.mifosplatform.portfolio.loanaccount.domain.transactionprocessor.LoanRepaymentScheduleTransactionProcessor;
/**
* Old Mifos style {@link LoanRepaymentScheduleTransactionProcessor}.
*
* For ALL types of transactions, pays off components in order of interest, then
* principal.
*
* Other formulas exist on mifos where you can choose 'Declining-Balance
* Interest Recalculation' which simply means, recalculate the interest
* component based on the how much principal is outstanding at a point in time;
* but this isnt trying to model that option only the basic one for now.
*/
@SuppressWarnings("unused")
public class MifosStyleLoanRepaymentScheduleTransactionProcessor extends AbstractLoanRepaymentScheduleTransactionProcessor {
@Override
protected boolean isTransactionInAdvanceOfInstallment(final int currentInstallmentIndex,
final List<LoanRepaymentScheduleInstallment> installments, final LocalDate transactionDate, final Money transactionAmount) {
final LoanRepaymentScheduleInstallment currentInstallment = installments.get(currentInstallmentIndex);
return transactionDate.isBefore(currentInstallment.getDueDate());
}
/**
* For early/'in advance' repayments, pay off in the same way as on-time
* payments, interest first then principal.
*/
@Override
protected Money handleTransactionThatIsPaymentInAdvanceOfInstallment(final LoanRepaymentScheduleInstallment currentInstallment,
final List<LoanRepaymentScheduleInstallment> installments, final LoanTransaction loanTransaction,
final LocalDate transactionDate, final Money paymentInAdvance) {
return handleTransactionThatIsOnTimePaymentOfInstallment(currentInstallment, loanTransaction, paymentInAdvance);
}
/**
* For late repayments, pay off in the same way as on-time payments,
* interest first then principal.
*/
@Override
protected Money handleTransactionThatIsALateRepaymentOfInstallment(final LoanRepaymentScheduleInstallment currentInstallment,
final List<LoanRepaymentScheduleInstallment> installments, final LoanTransaction loanTransaction,
final Money transactionAmountUnprocessed) {
return handleTransactionThatIsOnTimePaymentOfInstallment(currentInstallment, loanTransaction, transactionAmountUnprocessed);
}
/**
* For normal on-time repayments, pays off interest first, then principal.
*/
@Override
protected Money handleTransactionThatIsOnTimePaymentOfInstallment(final LoanRepaymentScheduleInstallment currentInstallment,
final LoanTransaction loanTransaction, final Money transactionAmountUnprocessed) {
final LocalDate transactionDate = loanTransaction.getTransactionDate();
final MonetaryCurrency currency = transactionAmountUnprocessed.getCurrency();
Money transactionAmountRemaining = transactionAmountUnprocessed;
Money principalPortion = Money.zero(transactionAmountRemaining.getCurrency());
Money interestPortion = Money.zero(transactionAmountRemaining.getCurrency());
Money feeChargesPortion = Money.zero(transactionAmountRemaining.getCurrency());
Money penaltyChargesPortion = Money.zero(transactionAmountRemaining.getCurrency());
if (loanTransaction.isChargesWaiver()) {
penaltyChargesPortion = currentInstallment.waivePenaltyChargesComponent(transactionDate,
loanTransaction.getPenaltyChargesPortion(currency));
transactionAmountRemaining = transactionAmountRemaining.minus(penaltyChargesPortion);
feeChargesPortion = currentInstallment
.waiveFeeChargesComponent(transactionDate, loanTransaction.getFeeChargesPortion(currency));
transactionAmountRemaining = transactionAmountRemaining.minus(feeChargesPortion);
} else if (loanTransaction.isInterestWaiver()) {
interestPortion = currentInstallment.waiveInterestComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(interestPortion);
loanTransaction.updateComponents(principalPortion, interestPortion, feeChargesPortion, penaltyChargesPortion);
} else if (loanTransaction.isChargePayment()) {
if (loanTransaction.isPenaltyPayment()) {
penaltyChargesPortion = currentInstallment.payPenaltyChargesComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(penaltyChargesPortion);
} else {
feeChargesPortion = currentInstallment.payFeeChargesComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(feeChargesPortion);
}
loanTransaction.updateComponents(principalPortion, interestPortion, feeChargesPortion, penaltyChargesPortion);
} else {
penaltyChargesPortion = currentInstallment.payPenaltyChargesComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(penaltyChargesPortion);
feeChargesPortion = currentInstallment.payFeeChargesComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(feeChargesPortion);
interestPortion = currentInstallment.payInterestComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(interestPortion);
principalPortion = currentInstallment.payPrincipalComponent(transactionDate, transactionAmountRemaining);
transactionAmountRemaining = transactionAmountRemaining.minus(principalPortion);
loanTransaction.updateComponents(principalPortion, interestPortion, feeChargesPortion, penaltyChargesPortion);
}
return transactionAmountRemaining;
}
@Override
protected void onLoanOverpayment(final LoanTransaction loanTransaction, final Money loanOverPaymentAmount) {
// TODO - KW - dont do anything with loan over-payment for now
}
}