MIFOSX-2209 : corrected refund transaction reversals on adjust transaction

mifosng-provider/src/main/java/org/mifosplatform/portfolio/account/domain/AccountTransferRepository.java

@@ -5,6 +5,7 @@
  */
 package org.mifosplatform.portfolio.account.domain;
 
+import java.util.Collection;
 import java.util.List;
 
 import org.springframework.data.jpa.repository.JpaRepository;
@@ -12,14 +13,18 @@ import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
-public interface AccountTransferRepository extends JpaRepository<AccountTransferTransaction, Long>, JpaSpecificationExecutor<AccountTransferTransaction> {
+public interface AccountTransferRepository extends JpaRepository<AccountTransferTransaction, Long>,
+        JpaSpecificationExecutor<AccountTransferTransaction> {
 
     @Query("from AccountTransferTransaction att where att.accountTransferDetails.fromLoanAccount.id= :accountNumber and att.reversed=false")
     List<AccountTransferTransaction> findByFromLoanId(@Param("accountNumber") Long accountNumber);
 
-    @Query("from AccountTransferTransaction att where (att.accountTransferDetails.fromLoanAccount.id= :accountNumber or att.accountTransferDetails.toLoanAccount.id=:accountNumber) and att.reversed=false")
+    @Query("from AccountTransferTransaction att where (att.accountTransferDetails.fromLoanAccount.id= :accountNumber or att.accountTransferDetails.toLoanAccount.id=:accountNumber) and att.reversed=false order by att.id desc")
     List<AccountTransferTransaction> findAllByLoanId(@Param("accountNumber") Long accountNumber);
 
     @Query("from AccountTransferTransaction att where att.toLoanTransaction.id= :loanTransactionId and att.reversed=false")
     AccountTransferTransaction findByToLoanTransactionId(@Param("loanTransactionId") Long loanTransactionId);
+
+    @Query("from AccountTransferTransaction att where att.fromLoanTransaction.id IN :loanTransactions and att.reversed=false")
+    List<AccountTransferTransaction> findByFromLoanTransactions(@Param("loanTransactions") Collection<Long> loanTransactions);
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/account/service/AccountTransfersWritePlatformService.java

@@ -5,6 +5,8 @@
  */
 package org.mifosplatform.portfolio.account.service;
 
+import java.util.Collection;
+
 import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.infrastructure.core.data.CommandProcessingResult;
 import org.mifosplatform.portfolio.account.PortfolioAccountType;
@@ -24,4 +26,6 @@ public interface AccountTransfersWritePlatformService {
     void updateLoanTransaction(Long loanTransactionId, LoanTransaction newLoanTransaction);
     
     CommandProcessingResult refundByTransfer(JsonCommand command);
+
+    void reverseTransfersWithFromAccountTransactions(Collection<Long> fromTransactionIds, PortfolioAccountType accountTypeId);
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/account/service/AccountTransfersWritePlatformServiceImpl.java

@@ -13,6 +13,7 @@ import static org.mifosplatform.portfolio.account.api.AccountTransfersApiConstan
 import static org.mifosplatform.portfolio.account.api.AccountTransfersApiConstants.transferDateParamName;
 
 import java.math.BigDecimal;
+import java.util.Collection;
 import java.util.List;
 import java.util.Locale;
 
@@ -203,6 +204,19 @@ public class AccountTransfersWritePlatformServiceImpl implements AccountTransfer
         }
 
     }
+    
+    @Override
+    @Transactional
+    public void reverseTransfersWithFromAccountTransactions(final Collection<Long> fromTransactionIds, final PortfolioAccountType accountTypeId) {
+        List<AccountTransferTransaction> acccountTransfers = null;
+        if (accountTypeId.isLoanAccount()) {
+            acccountTransfers = this.accountTransferRepository.findByFromLoanTransactions(fromTransactionIds);
+        }
+        if (acccountTransfers != null && acccountTransfers.size() > 0) {
+            undoTransactions(acccountTransfers);
+        }
+
+    }
 
     @Override
     @Transactional

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/domain/Loan.java

@@ -1194,6 +1194,11 @@ public class Loan extends AbstractPersistable<Long> {
             updateLoanOutstandingBalaces();
         }
     }
+    
+    public void updateLoanSummarAndStatus(){
+        updateLoanSummaryDerivedFields();
+        doPostLoanTransactionChecks(getLastUserTransactionDate(), loanLifecycleStateMachine);
+    }
 
     public Map<String, Object> loanApplicationModification(final JsonCommand command, final Set<LoanCharge> possiblyModifedLoanCharges,
             final Set<LoanCollateral> possiblyModifedLoanCollateralItems, final AprCalculator aprCalculator, boolean isChargesModified) {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/service/LoanWritePlatformServiceJpaRepositoryImpl.java

@@ -944,7 +944,19 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             }
             this.noteRepository.save(note);
         }
-        this.accountTransfersWritePlatformService.reverseTransfersWithFromAccountType(loanId, PortfolioAccountType.LOAN);
+
+        Collection<Long> transactionIds = new ArrayList<>();
+        for (LoanTransaction transaction : loan.getLoanTransactions()) {
+            if (transaction.isRefund() && transaction.isNotReversed()) {
+                transactionIds.add(transaction.getId());
+            }
+        }
+
+        if (!transactionIds.isEmpty()) {
+            this.accountTransfersWritePlatformService
+                    .reverseTransfersWithFromAccountTransactions(transactionIds, PortfolioAccountType.LOAN);
+            loan.updateLoanSummarAndStatus();
+        }
 
         postJournalEntries(loan, existingTransactionIds, existingReversedTransactionIds);
 
@@ -1307,16 +1319,15 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         boolean pendingDisbursementAvailable = false;
         for (LoanDisbursementDetails disbursementDetail : loanDisburseDetails) {
             if (disbursementDetail.actualDisbursementDate() == null) {
-                pendingDisbursementAvailable = true ;
-                break ;
+                pendingDisbursementAvailable = true;
+                break;
             }
         }
-        if(!pendingDisbursementAvailable) {
-            throw new ChargeCannotBeUpdatedException(
-                    "error.msg.charge.cannot.be.updated.no.pending.disbursements.in.loan", "This charge cannot be added, No disbursement is pending"); 
-        }
+        if (!pendingDisbursementAvailable) { throw new ChargeCannotBeUpdatedException(
+                "error.msg.charge.cannot.be.updated.no.pending.disbursements.in.loan",
+                "This charge cannot be added, No disbursement is pending"); }
     }
-    
+
     @Transactional
     @Override
     public CommandProcessingResult addLoanCharge(final Long loanId, final JsonCommand command) {
@@ -1330,12 +1341,19 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         final Long chargeDefinitionId = command.longValueOfParameterNamed("chargeId");
         final Charge chargeDefinition = this.chargeRepository.findOneWithNotFoundDetection(chargeDefinitionId);
 
-        if(loan.isDisbursed() && chargeDefinition.isDisbursementCharge()) {
-            validateAddingNewChargeAllowed(loanDisburseDetails) ; //validates whether any pending disbursements are available to apply this charge    
+        if (loan.isDisbursed() && chargeDefinition.isDisbursementCharge()) {
+            validateAddingNewChargeAllowed(loanDisburseDetails); // validates
+                                                                 // whether any
+                                                                 // pending
+                                                                 // disbursements
+                                                                 // are
+                                                                 // available to
+                                                                 // apply this
+                                                                 // charge
         }
         final List<Long> existingTransactionIds = new ArrayList<>(loan.findExistingTransactionIds());
         final List<Long> existingReversedTransactionIds = new ArrayList<>(loan.findExistingReversedTransactionIds());
-        
+
         boolean isAppliedOnBackDate = false;
         LoanCharge loanCharge = null;
         if (chargeDefinition.isPercentageOfDisbursementAmount()) {
@@ -2704,7 +2722,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
                 loan.regenerateRepaymentScheduleWithInterestRecalculation(scheduleGeneratorDTO, currentUser);
             } else {
                 loan.regenerateRepaymentSchedule(scheduleGeneratorDTO, currentUser);
-                loan.processPostDisbursementTransactions() ;
+                loan.processPostDisbursementTransactions();
             }
         }