MIFOSX-172: WIP support loan writeoff, closure scenarios with accounting.

mifosng-provider/src/main/java/org/mifosplatform/accounting/journalentry/service/JournalEntryWritePlatformService.java

@@ -7,7 +7,6 @@ package org.mifosplatform.accounting.journalentry.service;
 
 import java.util.Map;
 
-import org.mifosplatform.accounting.glaccount.data.LoanDTO;
 import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.infrastructure.core.data.CommandProcessingResult;
 
@@ -18,7 +17,4 @@ public interface JournalEntryWritePlatformService {
     CommandProcessingResult revertJournalEntry(JsonCommand command);
 
     void createJournalEntriesForLoan(Map<String, Object> accountingBridgeData);
-
-    void createJournalEntriesForLoan(LoanDTO loanDTO);
-
 }

mifosng-provider/src/main/java/org/mifosplatform/accounting/journalentry/service/JournalEntryWritePlatformServiceJpaRepositoryImpl.java

@@ -140,17 +140,6 @@ public class JournalEntryWritePlatformServiceJpaRepositoryImpl implements Journa
         return new CommandProcessingResultBuilder().withTransactionId(reversalTransactionId).build();
     }
 
-    @Transactional
-    @Override
-    public void createJournalEntriesForLoan(final LoanDTO loanDTO) {
-        // shouldn't be before an accounting closure
-        if (loanDTO.isCashBasedAccountingEnabled()) {
-            createJournalEntriesUsingCashRules(loanDTO);
-        } else if (loanDTO.isAccrualBasedAccountingEnabled()) {
-            // TODO Vishwas: add accrual based accounting rules
-        }
-    }
-
     @Transactional
     @Override
     public void createJournalEntriesForLoan(final Map<String, Object> accountingBridgeData) {

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/core/serialization/ApiRequestJsonSerializationSettings.java

@@ -33,10 +33,11 @@ public class ApiRequestJsonSerializationSettings {
     public static ApiRequestJsonSerializationSettings from(final boolean prettyPrint, final Set<String> parametersForPartialResponse,
             final boolean template, final Long commandId, final boolean makerCheckerable, final boolean includeJson) {
 
-        // FIXME - kw - rather than always creating new objects for this could
+        // FIXME - KW - rather than always creating new objects for this could
         // just send by common ones like, prettyprint=false, empty response
         // parameters
-        return new ApiRequestJsonSerializationSettings(prettyPrint, parametersForPartialResponse, template, commandId, makerCheckerable, includeJson);
+        return new ApiRequestJsonSerializationSettings(prettyPrint, parametersForPartialResponse, template, commandId, makerCheckerable,
+                includeJson);
     }
 
     public boolean isPrettyPrint() {

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/dataqueries/service/GenericDataServiceImpl.java

@@ -27,7 +27,7 @@ import org.springframework.stereotype.Service;
 
 import com.sun.rowset.CachedRowSetImpl;
 
-//TODO - Performance Item - most items (code values etc) can be cached but not doing that yet
+//TODO - JW - Performance Item - most items (code values etc) can be cached but not doing that yet
 @Service
 public class GenericDataServiceImpl implements GenericDataService {
 
@@ -41,8 +41,8 @@ public class GenericDataServiceImpl implements GenericDataService {
 
     @Override
     public CachedRowSet getCachedResultSet(final String sql, final String sqlErrorMsg) {
-        // FIXME - Need to reimplement this away from Sun library - could be
+        // FIXME - KW - Need to reimplement this away from Sun library - could
-        // mixture of Lists and jdbcTemplate.query
+        // be mixture of Lists and jdbcTemplate.query
 
         // long startTime = System.currentTimeMillis();
         Connection db_connection = null;
@@ -195,7 +195,7 @@ public class GenericDataServiceImpl implements GenericDataService {
                             writer.append("[" + localDate.getYear() + ", " + localDate.getMonthOfYear() + ", " + localDate.getDayOfMonth()
                                     + "]");
                         } else
-                            writer.append(doubleQuote + replace(currVal, doubleQuote,slashDoubleQuote) + doubleQuote);
+                            writer.append(doubleQuote + replace(currVal, doubleQuote, slashDoubleQuote) + doubleQuote);
                     }
                 } else
                     writer.append("null");

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/dataqueries/service/ReadReportingServiceImpl.java

@@ -82,7 +82,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
         return new StreamingOutput() {
 
             @Override
-            public void write(OutputStream out) {
+            public void write(final OutputStream out) {
                 try {
 
                     GenericResultsetData result = retrieveGenericResultset(name, type, queryParams);
@@ -108,7 +108,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
 
     }
 
-    private static StringBuffer generateCsvFileBuffer(GenericResultsetData result) {
+    private static StringBuffer generateCsvFileBuffer(final GenericResultsetData result) {
         StringBuffer writer = new StringBuffer();
 
         List<ResultsetColumnHeader> columnHeaders = result.getColumnHeaders();
@@ -206,7 +206,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
 
     }
 
-    private String getSql(String name, String type) {
+    private String getSql(final String name, final String type) {
 
         String inputSql = "select " + type + "_sql as the_sql from stretchy_" + type + " where " + type + "_name = '" + name + "'";
         inputSql = genericDataService.wrapSQL(inputSql);
@@ -226,7 +226,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
     }
 
     @Override
-    public String getReportType(String reportName) {
+    public String getReportType(final String reportName) {
         String sql = "SELECT ifnull(report_type,'') as report_type FROM `stretchy_report` where report_name = '" + reportName + "'";
 
         sql = genericDataService.wrapSQL(sql);
@@ -246,7 +246,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
     }
 
     @Override
-    public Response processPentahoRequest(String reportName, String outputTypeParam, Map<String, String> queryParams) {
+    public Response processPentahoRequest(final String reportName, final String outputTypeParam, final Map<String, String> queryParams) {
 
         String outputType = "HTML";
         if (StringUtils.isNotBlank(outputTypeParam)) outputType = outputTypeParam;
@@ -258,7 +258,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
         if (noPentaho)
             throw new PlatformDataIntegrityException("error.msg.no.pentaho", "Pentaho is not enabled", "Pentaho is not enabled");
 
-        // TODO - use pentaho location finder like Pawel does in Mifos
+        // TODO - JW - use pentaho location finder like Pawel does in Mifos
         // String reportPath =
         // "C:\\dev\\apache-tomcat-7.0.25\\webapps\\ROOT\\PentahoReports\\"
         // + reportName + ".prpt";
@@ -313,7 +313,7 @@ public class ReadReportingServiceImpl implements ReadReportingService {
 
     }
 
-    private void addParametersToReport(MasterReport report, Map<String, String> queryParams) {
+    private void addParametersToReport(final MasterReport report, final Map<String, String> queryParams) {
 
         try {
             ReportParameterValues rptParamValues = report.getParameterValues();

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/dataqueries/service/ReadWriteNonCoreDataServiceImpl.java

@@ -103,7 +103,7 @@ public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataServ
         String updatePermissionChecker = "'UPDATE_" + datatable + "_CHECKER'";
         String deletePermission = "'DELETE_" + datatable + "'";
         String deletePermissionChecker = "'DELETE_" + datatable + "_CHECKER'";
-        // TODO - put in batch command later
+        // TODO - JW - put in batch command later
         String sql = "insert into x_registered_table (registered_table_name, application_table_name) values ('" + datatable + "', '"
                 + appTable + "')";
 
@@ -125,7 +125,7 @@ public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataServ
 
     @Override
     public void deregisterDatatable(final String datatable) {
-        // TODO - put in batch command later
+        // TODO - JW - put in batch command later
 
         String permissionList = "('CREATE_" + datatable + "', 'CREATE_" + datatable + "_CHECKER', 'READ_" + datatable + "', 'UPDATE_"
                 + datatable + "', 'UPDATE_" + datatable + "_CHECKER', 'DELETE_" + datatable + "', 'DELETE_" + datatable + "_CHECKER')";
@@ -356,7 +356,8 @@ public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataServ
     }
 
     private String getApplicationTableName(final String datatable) {
-        // TODO - only used for update... can probably remove this after as its
+        // TODO - JW - only used for update... can probably remove this after as
+        // its
         // a reread
         String sql = "SELECT application_table_name FROM x_registered_table where registered_table_name = '" + datatable + "'";
 

mifosng-provider/src/main/java/org/mifosplatform/portfolio/client/api/ClientImagesApiResource.java

@@ -37,7 +37,7 @@ import com.sun.jersey.core.header.FormDataContentDisposition;
 import com.sun.jersey.multipart.FormDataBodyPart;
 import com.sun.jersey.multipart.FormDataParam;
 
-// FIXME - kw- image should be images to keep consitent with rest of API - even if we only support one image per client.
+// FIXME - KW - image should be images to keep consistent with rest of API - even if we only support one image per client.
 @Path("/clients/{clientId}/image")
 @Component
 @Scope("singleton")
@@ -63,9 +63,9 @@ public class ClientImagesApiResource {
     @POST
     @Consumes({ MediaType.MULTIPART_FORM_DATA })
     @Produces({ MediaType.APPLICATION_JSON })
-    public String addNewClientImage(@PathParam("clientId") final Long clientId, @HeaderParam("Content-Length") Long fileSize,
+    public String addNewClientImage(@PathParam("clientId") final Long clientId, @HeaderParam("Content-Length") final Long fileSize,
-            @FormDataParam("file") InputStream inputStream, @FormDataParam("file") FormDataContentDisposition fileDetails,
+            @FormDataParam("file") final InputStream inputStream, @FormDataParam("file") final FormDataContentDisposition fileDetails,
-            @FormDataParam("file") FormDataBodyPart bodyPart) {
+            @FormDataParam("file") final FormDataBodyPart bodyPart) {
 
         // TODO: vishwas might need more advances validation (like reading magic
         // number) for handling malicious clients
@@ -119,9 +119,9 @@ public class ClientImagesApiResource {
     @PUT
     @Consumes({ MediaType.MULTIPART_FORM_DATA })
     @Produces({ MediaType.APPLICATION_JSON })
-    public String updateClientImage(@PathParam("clientId") final Long clientId, @HeaderParam("Content-Length") Long fileSize,
+    public String updateClientImage(@PathParam("clientId") final Long clientId, @HeaderParam("Content-Length") final Long fileSize,
-            @FormDataParam("file") InputStream inputStream, @FormDataParam("file") FormDataContentDisposition fileDetails,
+            @FormDataParam("file") final InputStream inputStream, @FormDataParam("file") final FormDataContentDisposition fileDetails,
-            @FormDataParam("file") FormDataBodyPart bodyPart) {
+            @FormDataParam("file") final FormDataBodyPart bodyPart) {
 
         return addNewClientImage(clientId, fileSize, inputStream, fileDetails, bodyPart);
     }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/client/command/ClientIdentifierCommand.java

@@ -58,10 +58,10 @@ public class ClientIdentifierCommand {
 
         baseDataValidator.reset().parameter("documentKey").value(this.documentKey).ignoreIfNull().notBlank();
 
-        // FIXME - kw
+        // FIXME - KW - add in validation
-//        if (command.isDocumentTypeChanged()) {
+        // if (command.isDocumentTypeChanged()) {
-//            baseDataValidator.reset().parameter("documentTypeId").value(command.getDocumentTypeId()).notNull().integerGreaterThanZero();
+        // baseDataValidator.reset().parameter("documentTypeId").value(command.getDocumentTypeId()).notNull().integerGreaterThanZero();
-//        }
+        // }
 
         baseDataValidator.reset().anyOfNotNull(this.documentTypeId, this.documentKey);
 

mifosng-provider/src/main/java/org/mifosplatform/portfolio/client/service/ClientReadPlatformServiceImpl.java

@@ -96,7 +96,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
     }
 
     @Override
-    public Collection<ClientLookup> retrieveAllIndividualClientsForLookup(String extraCriteria) {
+    public Collection<ClientLookup> retrieveAllIndividualClientsForLookup(final String extraCriteria) {
 
         this.context.authenticatedUser();
 
@@ -112,7 +112,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
     }
 
     @Override
-    public Collection<ClientLookup> retrieveAllIndividualClientsForLookupByOfficeId(Long officeId) {
+    public Collection<ClientLookup> retrieveAllIndividualClientsForLookupByOfficeId(final Long officeId) {
         this.context.authenticatedUser();
 
         ClientLookupMapper rm = new ClientLookupMapper();
@@ -290,7 +290,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
     }
 
     @Override
-    public Collection<ClientAccountSummaryData> retrieveClientLoanAccountsByLoanOfficerId(Long clientId, Long loanOfficerId) {
+    public Collection<ClientAccountSummaryData> retrieveClientLoanAccountsByLoanOfficerId(final Long clientId, final Long loanOfficerId) {
 
         this.context.authenticatedUser();
 
@@ -357,7 +357,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
     }
 
     @Override
-    public NoteData retrieveClientNote(Long clientId, Long noteId) {
+    public NoteData retrieveClientNote(final Long clientId, final Long noteId) {
 
         try {
             context.authenticatedUser();
@@ -365,7 +365,8 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
             // Check if client exists
             retrieveIndividualClient(clientId);
 
-            // FIXME - use join on sql query to fetch user information for note
+            // FIXME - KW - use join on sql query to fetch user information for
+            // note
             // rather than fetching users?
             Collection<AppUserData> allUsers = this.appUserReadPlatformService.retrieveAllUsers();
 
@@ -380,14 +381,14 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
     }
 
     @Override
-    public Collection<NoteData> retrieveAllClientNotes(Long clientId) {
+    public Collection<NoteData> retrieveAllClientNotes(final Long clientId) {
 
         context.authenticatedUser();
 
         // Check if client exists
         retrieveIndividualClient(clientId);
 
-        // FIXME - use join on sql query to fetch user information for note
+        // FIXME - KW - use join on sql query to fetch user information for note
         // rather than fetching users?
         Collection<AppUserData> allUsers = this.appUserReadPlatformService.retrieveAllUsers();
 
@@ -402,7 +403,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
 
         private final Collection<AppUserData> allUsers;
 
-        public NoteMapper(Collection<AppUserData> allUsers) {
+        public NoteMapper(final Collection<AppUserData> allUsers) {
             this.allUsers = allUsers;
         }
 

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/api/LoanTransactionsApiResource.java

@@ -36,12 +36,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Component;
 
-// FIXME: - undo disbursal fails when transactions have notes against them
-// FIXME: - modifying loan after disbursement
-// FIXME: - does not take into account 'actual disbursement' date being different to 'expected'
-// FIXME: - the schedule is 'generated' rather than been read from current loan schedule
-// FIXME: - should not allow modify loan after disbursal (should be only restructure/reschedule)
-// FIXME: - ui problem with default date for disburse dialog on some screens
 @Path("/loans/{loanId}/transactions")
 @Component
 @Scope("singleton")

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/command/LoanTransactionCommand.java

@@ -1,57 +0,0 @@
-/**
- * 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.command;
-
-import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.joda.time.LocalDate;
-import org.mifosplatform.infrastructure.core.data.ApiParameterError;
-import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
-import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
-
-/**
- * Immutable command for loan transactions.
- */
-public class LoanTransactionCommand {
-
-    private final LocalDate transactionDate;
-    private final BigDecimal transactionAmount;
-    private final String note;
-
-    public LoanTransactionCommand(final LocalDate paymentDate, final BigDecimal paymentAmount, final String note) {
-        this.transactionDate = paymentDate;
-        this.transactionAmount = paymentAmount;
-        this.note = note;
-    }
-
-    public void validate() {
-
-        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
-
-        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
-
-        baseDataValidator.reset().parameter("transactionDate").value(this.transactionDate).notNull();
-        baseDataValidator.reset().parameter("transactionAmount").value(this.transactionAmount).notNull().positiveAmount();
-        baseDataValidator.reset().parameter("note").value(this.note).notExceedingLengthOf(1000);
-
-        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
-                "Validation errors exist.", dataValidationErrors); }
-    }
-
-    public void validateNonMonetaryTransaction() {
-        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
-
-        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
-
-        baseDataValidator.reset().parameter("transactionDate").value(this.transactionDate).notNull();
-        baseDataValidator.reset().parameter("note").value(this.note).notExceedingLengthOf(1000);
-
-        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
-                "Validation errors exist.", dataValidationErrors); }
-    }
-}

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

@@ -144,7 +144,7 @@ public abstract class AbstractLoanRepaymentScheduleTransactionProcessor implemen
         }
     }
 
-    private LoanCharge findEarliestUnpaidChargeFromUnOrderedSet(Set<LoanCharge> charges) {
+    private LoanCharge findEarliestUnpaidChargeFromUnOrderedSet(final Set<LoanCharge> charges) {
         LoanCharge earliestUnpaidCharge = null;
 
         for (LoanCharge loanCharge : charges) {
@@ -175,6 +175,8 @@ public abstract class AbstractLoanRepaymentScheduleTransactionProcessor implemen
             if (currentInstallment.isNotFullyCompleted()) {
                 principalPortion = principalPortion.plus(currentInstallment.writeOffOutstandingPrincipal(currency));
                 interestPortion = interestPortion.plus(currentInstallment.writeOffOutstandingInterest(currency));
+                feeChargesPortion = feeChargesPortion.plus(currentInstallment.writeOffOutstandingFeeCharges(currency));
+                penaltychargesPortion = penaltychargesPortion.plus(currentInstallment.writeOffOutstandingPenaltyCharges(currency));
             }
         }
 

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

@@ -387,8 +387,6 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.transactionProcessor
                 .determineProcessor(this.transactionProcessingStrategy);
 
-        // TODO - only need to reprocess transactions against loan schedule
-        // if loan charge is added with due date before latest transaction.
         if (!loanCharge.isDueAtDisbursement()) {
             final List<LoanTransaction> allNonContraTransactionsPostDisbursement = retreiveListOfTransactionsPostDisbursement();
             loanRepaymentScheduleTransactionProcessor.handleTransaction(getDisbursementDate(), allNonContraTransactionsPostDisbursement,
@@ -1351,7 +1349,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
                     loanTransactionDate, this.getDisbursementDate());
         }
 
-        if (loanTransactionDate.isAfter(new LocalDate())) {
+        if (loanTransactionDate.isAfter(DateUtils.getLocalDateOfTenant())) {
             final String errorMessage = "The transaction date cannot be in the future.";
             throw new InvalidLoanStateTransitionException("transaction", "cannot.be.a.future.date", errorMessage, loanTransactionDate);
         }
@@ -1359,12 +1357,12 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         if (loanTransaction.isInterestWaiver()) {
             Money totalInterestOutstandingOnLoan = getTotalInterestOutstandingOnLoan();
             if (adjustedTransaction != null) {
-                totalInterestOutstandingOnLoan = totalInterestOutstandingOnLoan.plus(adjustedTransaction.getAmount());
+                totalInterestOutstandingOnLoan = totalInterestOutstandingOnLoan.plus(adjustedTransaction.getAmount(loanCurrency()));
             }
             if (loanTransaction.getAmount(loanCurrency()).isGreaterThan(totalInterestOutstandingOnLoan)) {
                 final String errorMessage = "The amount of interest to waive cannot be greater than total interest outstanding on loan.";
                 throw new InvalidLoanStateTransitionException("waive.interest", "amount.exceeds.total.outstanding.interest", errorMessage,
-                        loanTransaction.getAmount(), totalInterestOutstandingOnLoan.getAmount());
+                        loanTransaction.getAmount(loanCurrency()), totalInterestOutstandingOnLoan.getAmount());
             }
         }
 
@@ -1616,53 +1614,61 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
     }
 
     public LoanTransaction closeAsWrittenOff(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine,
-            final Map<String, Object> changes) {
+            final Map<String, Object> changes, final List<Long> existingTransactionIds, final List<Long> existingReversedTransactionIds) {
 
         final LoanStatus statusEnum = loanLifecycleStateMachine.transition(LoanEvent.WRITE_OFF_OUTSTANDING,
                 LoanStatus.fromInt(this.loanStatus));
+
+        LoanTransaction loanTransaction = null;
         if (!statusEnum.hasStateOf(LoanStatus.fromInt(this.loanStatus))) {
             this.loanStatus = statusEnum.getValue();
             changes.put("status", LoanEnumerations.status(this.loanStatus));
+
+            existingTransactionIds.addAll(findExistingTransactionIds());
+            existingReversedTransactionIds.addAll(findExistingReversedTransactionIds());
+
+            final LocalDate writtenOffOnLocalDate = command.localDateValueOfParameterNamed("transactionDate");
+
+            this.closedOnDate = writtenOffOnLocalDate.toDate();
+            this.writtenOffOnDate = writtenOffOnLocalDate.toDate();
+            changes.put("closedOnDate", command.stringValueOfParameterNamed("transactionDate"));
+            changes.put("writtenOffOnDate", command.stringValueOfParameterNamed("transactionDate"));
+
+            if (writtenOffOnLocalDate.isBefore(this.getDisbursementDate())) {
+                final String errorMessage = "The date on which a loan is written off cannot be before the loan disbursement date: "
+                        + getDisbursementDate().toString();
+                throw new InvalidLoanStateTransitionException("writeoff", "cannot.be.before.submittal.date", errorMessage,
+                        writtenOffOnLocalDate, getDisbursementDate());
+            }
+
+            if (writtenOffOnLocalDate.isAfter(DateUtils.getLocalDateOfTenant())) {
+                final String errorMessage = "The date on which a loan is written off cannot be in the future.";
+                throw new InvalidLoanStateTransitionException("writeoff", "cannot.be.a.future.date", errorMessage, writtenOffOnLocalDate);
+            }
+
+            loanTransaction = LoanTransaction.writeoff(this, writtenOffOnLocalDate);
+            final boolean isLastTransaction = isChronologicallyLatestTransaction(loanTransaction, loanTransactions);
+            if (!isLastTransaction) {
+                final String errorMessage = "The date of the writeoff transaction must occur on or before previous transactions.";
+                throw new InvalidLoanStateTransitionException("writeoff", "must.occur.on.or.after.other.transaction.dates", errorMessage,
+                        writtenOffOnLocalDate);
+            }
+
+            this.loanTransactions.add(loanTransaction);
+
+            final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.transactionProcessor
+                    .determineProcessor(this.transactionProcessingStrategy);
+            loanRepaymentScheduleTransactionProcessor.handleWriteOff(loanTransaction, loanCurrency(), this.repaymentScheduleInstallments);
         }
 
-        final LocalDate writtenOffOnLocalDate = command.localDateValueOfParameterNamed("transactionDate");
-
-        this.closedOnDate = writtenOffOnLocalDate.toDate();
-        this.writtenOffOnDate = writtenOffOnLocalDate.toDate();
-        changes.put("closedOnDate", command.stringValueOfParameterNamed("transactionDate"));
-        changes.put("writtenOffOnDate", command.stringValueOfParameterNamed("transactionDate"));
-
-        if (writtenOffOnLocalDate.isBefore(this.getDisbursementDate())) {
-            final String errorMessage = "The date on which a loan is written off cannot be before the loan disbursement date: "
-                    + getDisbursementDate().toString();
-            throw new InvalidLoanStateTransitionException("writeoff", "cannot.be.before.submittal.date", errorMessage,
-                    writtenOffOnLocalDate, getDisbursementDate());
-        }
-
-        if (writtenOffOnLocalDate.isAfter(new LocalDate())) {
-            final String errorMessage = "The date on which a loan is written off cannot be in the future.";
-            throw new InvalidLoanStateTransitionException("writeoff", "cannot.be.a.future.date", errorMessage, writtenOffOnLocalDate);
-        }
-
-        final LoanTransaction loanTransaction = LoanTransaction.writeoff(this, writtenOffOnLocalDate);
-        boolean isLastTransaction = isChronologicallyLatestTransaction(loanTransaction, loanTransactions);
-        if (!isLastTransaction) {
-            final String errorMessage = "The date of the writeoff transaction must occur on or before previous transactions.";
-            throw new InvalidLoanStateTransitionException("writeoff", "must.occur.on.or.after.other.transaction.dates", errorMessage,
-                    writtenOffOnLocalDate);
-        }
-
-        this.loanTransactions.add(loanTransaction);
-
-        final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.transactionProcessor
-                .determineProcessor(this.transactionProcessingStrategy);
-        loanRepaymentScheduleTransactionProcessor.handleWriteOff(loanTransaction, loanCurrency(), this.repaymentScheduleInstallments);
-
         return loanTransaction;
     }
 
     public LoanTransaction close(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine,
-            final Map<String, Object> changes) {
+            final Map<String, Object> changes, final List<Long> existingTransactionIds, final List<Long> existingReversedTransactionIds) {
+
+        existingTransactionIds.addAll(findExistingTransactionIds());
+        existingReversedTransactionIds.addAll(findExistingReversedTransactionIds());
 
         final LocalDate closureDate = command.localDateValueOfParameterNamed("transactionDate");
 
@@ -1676,7 +1682,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
                     getDisbursementDate());
         }
 
-        if (closureDate.isAfter(new LocalDate())) {
+        if (closureDate.isAfter(DateUtils.getLocalDateOfTenant())) {
             final String errorMessage = "The date on which a loan is closed cannot be in the future.";
             throw new InvalidLoanStateTransitionException("close", "cannot.be.a.future.date", errorMessage, closureDate);
         }
@@ -1712,10 +1718,9 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
 
         if (isOverPaid()) {
             final Money totalLoanOverpayment = calculateTotalOverpayment();
-            // FIXME - kw - use overpaymentTolerance setting when in place on
-            // loan product settings.
             if (totalLoanOverpayment.isGreaterThanZero() && getInArrearsTolerance().isGreaterThanOrEqualTo(totalLoanOverpayment)) {
-                // TODO - technically should set somewhere that this loan has
+                // TODO - KW - technically should set somewhere that this loan
+                // has
                 // 'overpaid' amount
                 updateLoanForClosure(closureDate, loanLifecycleStateMachine, changes);
             } else if (totalLoanOverpayment.isGreaterThanZero()) {
@@ -1729,11 +1734,10 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
 
     private Money getTotalOutstanding() {
         Money totalOutstanding = Money.zero(loanCurrency());
-        // 1. check totalOutstanding value on loan
 
-        // 2. if null calculate from loan schedule
         final LoanScheduleWrapper wrapper = new LoanScheduleWrapper();
         totalOutstanding = wrapper.calculateTotalOutstanding(loanCurrency(), this.repaymentScheduleInstallments);
+
         return totalOutstanding;
     }
 
@@ -1751,8 +1755,6 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
     /**
      * Behaviour added to comply with capability of previous mifos product to
      * support easier transition to mifosx platform.
-     * 
-     * @param changes
      */
     public void closeAsMarkedForReschedule(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine,
             final Map<String, Object> changes) {
@@ -2013,11 +2015,11 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
     }
 
     private Money getTotalPaidInRepayments() {
-        Money cumulativePaid = Money.zero(this.loanRepaymentScheduleDetail.getPrincipal().getCurrency());
+        Money cumulativePaid = Money.zero(loanCurrency());
 
         for (LoanTransaction repayment : this.loanTransactions) {
             if (repayment.isRepayment()) {
-                cumulativePaid = cumulativePaid.plus(repayment.getAmount());
+                cumulativePaid = cumulativePaid.plus(repayment.getAmount(loanCurrency()));
             }
         }
 
@@ -2209,20 +2211,15 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return officeId;
     }
 
-    public boolean isAccountingEnabledOnLoanProduct() {
+    private Boolean isCashBasedAccountingEnabledOnLoanProduct() {
-        return this.loanProduct.isAccountingEnabled();
-    }
-
-    public Boolean isCashBasedAccountingEnabledOnLoanProduct() {
         return this.loanProduct.isCashBasedAccountingEnabled();
     }
 
-    public Boolean isAccrualBasedAccountingEnabledOnLoanProduct() {
+    private Boolean isAccrualBasedAccountingEnabledOnLoanProduct() {
         return this.loanProduct.isAccrualBasedAccountingEnabled();
     }
 
-    // TODO - make private if possible
+    private Long productId() {
-    public Long productId() {
         return this.loanProduct.getId();
     }
 

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

@@ -433,6 +433,22 @@ public final class LoanRepaymentScheduleInstallment extends AbstractAuditableCus
         return interestDue;
     }
 
+    public Money writeOffOutstandingFeeCharges(final MonetaryCurrency currency) {
+        final Money feeChargesOutstanding = getFeeChargesOutstanding(currency);
+        this.feeChargesWrittenOff = defaultToNullIfZero(feeChargesOutstanding.getAmount());
+        this.completed = getTotalOutstanding(currency).isZero();
+
+        return feeChargesOutstanding;
+    }
+
+    public Money writeOffOutstandingPenaltyCharges(final MonetaryCurrency currency) {
+        final Money penaltyChargesOutstanding = getPenaltyChargesOutstanding(currency);
+        this.penaltyChargesWrittenOff = defaultToNullIfZero(penaltyChargesOutstanding.getAmount());
+        this.completed = getTotalOutstanding(currency).isZero();
+
+        return penaltyChargesOutstanding;
+    }
+
     public boolean isOverdueOn(final LocalDate transactionDate) {
         return this.getDueDate().isBefore(transactionDate);
     }

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

@@ -33,7 +33,7 @@ public class LoanScheduleWrapper {
     }
 
     /**
-     * FIXME - this is not a side effect free approach so move this into a
+     * FIXME - KW - this is not a side effect free approach so move this into a
      * specific wrapper than makes this obvious from the read-only wrapper.
      */
     public void reprocess(final MonetaryCurrency currency, final LocalDate disbursementDate,

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

@@ -50,16 +50,16 @@ public final class LoanTransaction extends AbstractPersistable<Long> {
     private BigDecimal amount;
 
     @Column(name = "principal_portion_derived", scale = 6, precision = 19, nullable = true)
-    private BigDecimal principalPortion = BigDecimal.ZERO;
+    private BigDecimal principalPortion;
 
     @Column(name = "interest_portion_derived", scale = 6, precision = 19, nullable = true)
-    private BigDecimal interestPortion = BigDecimal.ZERO;
+    private BigDecimal interestPortion;
 
     @Column(name = "fee_charges_portion_derived", scale = 6, precision = 19, nullable = true)
-    private BigDecimal feeChargesPortion = BigDecimal.ZERO;
+    private BigDecimal feeChargesPortion;
 
     @Column(name = "penalty_charges_portion_derived", scale = 6, precision = 19, nullable = true)
-    private BigDecimal penaltyChargesPortion = BigDecimal.ZERO;
+    private BigDecimal penaltyChargesPortion;
 
     @Column(name = "is_reversed", nullable = false)
     private boolean reversed;
@@ -160,30 +160,14 @@ public final class LoanTransaction extends AbstractPersistable<Long> {
         return Money.of(currency, this.interestPortion);
     }
 
-    public BigDecimal getInterestPortion() {
-        return this.interestPortion;
-    }
-
     public Money getFeeChargesPortion(final MonetaryCurrency currency) {
         return Money.of(currency, this.feeChargesPortion);
     }
 
-    public BigDecimal getFeePortion() {
-        return this.feeChargesPortion;
-    }
-
     public Money getPenaltyChargesPortion(final MonetaryCurrency currency) {
         return Money.of(currency, this.penaltyChargesPortion);
     }
 
-    public BigDecimal getPenaltyChargesPortion() {
-        return this.penaltyChargesPortion;
-    }
-
-    public BigDecimal getAmount() {
-        return this.amount;
-    }
-
     public Money getAmount(final MonetaryCurrency currency) {
         return Money.of(currency, this.amount);
     }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/serialization/CalculateLoanScheduleQueryFromApiJsonHelper.java

@@ -89,7 +89,7 @@ public final class CalculateLoanScheduleQueryFromApiJsonHelper {
         baseDataValidator.reset().parameter(repaymentEveryFrequencyTypeParameterName).value(repaymentEveryType).notNull()
                 .inMinMaxRange(0, 3);
 
-        // FIXME - this constraint doesnt really need to be here. should be
+        // FIXME - KW - this constraint doesnt really need to be here. should be
         // possible to express loan term as say 12 months whilst also saying
         // - that the repayment structure is 6 repayments every bi-monthly.
         validateSelectedPeriodFrequencyTypeIsTheSame(dataValidationErrors, loanTermFrequency, loanTermFrequencyType, numberOfRepayments,
@@ -207,7 +207,7 @@ public final class CalculateLoanScheduleQueryFromApiJsonHelper {
     }
 
     private void validateRepaymentsStartingFromDateAndInterestChargedFromDate(final List<ApiParameterError> dataValidationErrors,
-            final LocalDate expectedDisbursementDate, LocalDate repaymentsStartingFromDate, LocalDate interestChargedFromDate) {
+            final LocalDate expectedDisbursementDate, final LocalDate repaymentsStartingFromDate, final LocalDate interestChargedFromDate) {
         if (repaymentsStartingFromDate != null && interestChargedFromDate == null) {
 
             ApiParameterError error = ApiParameterError.parameterError(
@@ -228,7 +228,7 @@ public final class CalculateLoanScheduleQueryFromApiJsonHelper {
     }
 
     private void validateRepaymentsStartingFromDateIsAfterDisbursementDate(final List<ApiParameterError> dataValidationErrors,
-            final LocalDate expectedDisbursementDate, LocalDate repaymentsStartingFromDate) {
+            final LocalDate expectedDisbursementDate, final LocalDate repaymentsStartingFromDate) {
         if (expectedDisbursementDate != null) {
             if (repaymentsStartingFromDate != null && expectedDisbursementDate.isAfter(repaymentsStartingFromDate)) {
                 ApiParameterError error = ApiParameterError.parameterError(

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/serialization/LoanEventApiJsonValidator.java

@@ -6,6 +6,7 @@
 package org.mifosplatform.portfolio.loanaccount.serialization;
 
 import java.lang.reflect.Type;
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
@@ -36,6 +37,11 @@ public final class LoanEventApiJsonValidator {
         this.fromApiJsonHelper = fromApiJsonHelper;
     }
 
+    private void throwExceptionIfValidationWarningsExist(final List<ApiParameterError> dataValidationErrors) {
+        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
+                "Validation errors exist.", dataValidationErrors); }
+    }
+
     public void validateDisbursement(final String json) {
 
         if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
@@ -59,8 +65,50 @@ public final class LoanEventApiJsonValidator {
         throwExceptionIfValidationWarningsExist(dataValidationErrors);
     }
 
-    private void throwExceptionIfValidationWarningsExist(final List<ApiParameterError> dataValidationErrors) {
+    public void validateTransaction(final String json) {
-        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
+
-                "Validation errors exist.", dataValidationErrors); }
+        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
+
+        final Set<String> disbursementParameters = new HashSet<String>(Arrays.asList("transactionDate", "transactionAmount", "note",
+                "locale", "dateFormat"));
+
+        final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
+        fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
+
+        final List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
+        final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
+
+        final JsonElement element = fromApiJsonHelper.parse(json);
+        final LocalDate transactionDate = fromApiJsonHelper.extractLocalDateNamed("transactionDate", element);
+        baseDataValidator.reset().parameter("transactionDate").value(transactionDate).notNull();
+
+        final BigDecimal transactionAmount = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("transactionAmount", element);
+        baseDataValidator.reset().parameter("transactionAmount").value(transactionAmount).notNull().positiveAmount();
+
+        final String note = fromApiJsonHelper.extractStringNamed("note", element);
+        baseDataValidator.reset().parameter("note").value(note).notExceedingLengthOf(1000);
+
+        throwExceptionIfValidationWarningsExist(dataValidationErrors);
+    }
+
+    public void validateTransactionWithNoAmount(final String json) {
+        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
+
+        final Set<String> disbursementParameters = new HashSet<String>(Arrays.asList("transactionDate", "note", "locale", "dateFormat"));
+
+        final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
+        fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
+
+        final List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
+        final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
+
+        final JsonElement element = fromApiJsonHelper.parse(json);
+        final LocalDate transactionDate = fromApiJsonHelper.extractLocalDateNamed("transactionDate", element);
+        baseDataValidator.reset().parameter("transactionDate").value(transactionDate).notNull();
+
+        final String note = fromApiJsonHelper.extractStringNamed("note", element);
+        baseDataValidator.reset().parameter("note").value(note).notExceedingLengthOf(1000);
+
+        throwExceptionIfValidationWarningsExist(dataValidationErrors);
     }
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/serialization/LoanTransactionCommandFromApiJsonDeserializer.java

@@ -1,63 +0,0 @@
-/**
- * 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.serialization;
-
-import java.lang.reflect.Type;
-import java.math.BigDecimal;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-import org.apache.commons.lang.StringUtils;
-import org.joda.time.LocalDate;
-import org.mifosplatform.infrastructure.core.exception.InvalidJsonException;
-import org.mifosplatform.infrastructure.core.serialization.AbstractFromApiJsonDeserializer;
-import org.mifosplatform.infrastructure.core.serialization.FromApiJsonDeserializer;
-import org.mifosplatform.infrastructure.core.serialization.FromJsonHelper;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-
-import com.google.gson.JsonElement;
-import com.google.gson.reflect.TypeToken;
-
-/**
- * Implementation of {@link FromApiJsonDeserializer} for
- * {@link LoanTransactionCommand}'s.
- */
-@Component
-public final class LoanTransactionCommandFromApiJsonDeserializer extends AbstractFromApiJsonDeserializer<LoanTransactionCommand> {
-
-    /**
-     * The parameters supported for this command.
-     */
-    final Set<String> supportedParameters = new HashSet<String>(Arrays.asList("transactionDate", "transactionAmount", "note", "dateFormat",
-            "locale" ,"status", "closedOnDate", "writtenOffOnDate", "rescheduledOnDate"));
-
-    private final FromJsonHelper fromApiJsonHelper;
-
-    @Autowired
-    public LoanTransactionCommandFromApiJsonDeserializer(final FromJsonHelper fromApiJsonHelper) {
-        this.fromApiJsonHelper = fromApiJsonHelper;
-    }
-
-    @Override
-    public LoanTransactionCommand commandFromApiJson(final String json) {
-
-        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
-
-        final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
-        fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, supportedParameters);
-
-        final JsonElement element = fromApiJsonHelper.parse(json);
-        final LocalDate transactionDate = fromApiJsonHelper.extractLocalDateNamed("transactionDate", element);
-        final BigDecimal transactionAmount = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("transactionAmount", element);
-        final String note = fromApiJsonHelper.extractStringNamed("note", element);
-
-        return new LoanTransactionCommand(transactionDate, transactionAmount, note);
-    }
-}

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

@@ -248,7 +248,7 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
 
         context.authenticatedUser();
 
-        // TODO - OPTIMIZE - write simple sql query to fetch back date of
+        // TODO - KW - OPTIMIZE - write simple sql query to fetch back date of
         // possible next transaction date.
         Loan loan = this.loanRepository.findOne(loanId);
         if (loan == null) { throw new LoanNotFoundException(loanId); }
@@ -273,7 +273,7 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
 
         context.authenticatedUser();
 
-        // TODO - OPTIMIZE - write simple sql query to fetch back overdue
+        // TODO - KW -OPTIMIZE - write simple sql query to fetch back overdue
         // interest that can be waived along with the date of repayment period
         // interest is overdue.
         final Loan loan = this.loanRepository.findOne(loanId);
@@ -290,8 +290,10 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
 
         final LoanTransactionEnumData transactionType = LoanEnumerations.transactionType(LoanTransactionType.WAIVE_INTEREST);
 
-        return new LoanTransactionData(null, transactionType, currencyData, waiveOfInterest.getTransactionDate(),
+        final MonetaryCurrency monetaryCurrency = new MonetaryCurrency(currency.getCode(), currency.getDecimalPlaces());
-                waiveOfInterest.getAmount(), null, null, null, null);
+        final BigDecimal amount = waiveOfInterest.getAmount(monetaryCurrency).getAmount();
+        return new LoanTransactionData(null, transactionType, currencyData, waiveOfInterest.getTransactionDate(), amount, null, null, null,
+                null);
     }
 
     @Override
@@ -299,8 +301,8 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
 
         context.authenticatedUser();
 
-        LoanTransactionEnumData transactionType = LoanEnumerations.transactionType(LoanTransactionType.WRITEOFF);
+        final LoanTransactionEnumData transactionType = LoanEnumerations.transactionType(LoanTransactionType.WRITEOFF);
-        return new LoanTransactionData(null, transactionType, null, new LocalDate(), null, null, null, null, null);
+        return new LoanTransactionData(null, transactionType, null, DateUtils.getLocalDateOfTenant(), null, null, null, null, null);
     }
 
     @Override

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

@@ -14,14 +14,10 @@ import java.util.Map;
 
 import org.apache.commons.lang.StringUtils;
 import org.joda.time.LocalDate;
-import org.mifosplatform.accounting.glaccount.data.LoanDTO;
-import org.mifosplatform.accounting.glaccount.data.LoanTransactionDTO;
 import org.mifosplatform.accounting.journalentry.service.JournalEntryWritePlatformService;
 import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.infrastructure.core.data.CommandProcessingResult;
 import org.mifosplatform.infrastructure.core.data.CommandProcessingResultBuilder;
-import org.mifosplatform.infrastructure.core.service.DateUtils;
-import org.mifosplatform.infrastructure.security.exception.NoAuthorizationException;
 import org.mifosplatform.infrastructure.security.service.PlatformSecurityContext;
 import org.mifosplatform.organisation.monetary.domain.ApplicationCurrency;
 import org.mifosplatform.organisation.monetary.domain.ApplicationCurrencyRepository;
@@ -34,7 +30,6 @@ import org.mifosplatform.portfolio.charge.exception.LoanChargeNotFoundException;
 import org.mifosplatform.portfolio.client.domain.Note;
 import org.mifosplatform.portfolio.client.domain.NoteRepository;
 import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanUpdateCommand;
 import org.mifosplatform.portfolio.loanaccount.domain.DefaultLoanLifecycleStateMachine;
 import org.mifosplatform.portfolio.loanaccount.domain.Loan;
@@ -51,7 +46,6 @@ import org.mifosplatform.portfolio.loanaccount.exception.LoanOfficerUnassignment
 import org.mifosplatform.portfolio.loanaccount.exception.LoanTransactionNotFoundException;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanChargeCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanEventApiJsonValidator;
-import org.mifosplatform.portfolio.loanaccount.serialization.LoanTransactionCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanUpdateCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanproduct.exception.InvalidCurrencyException;
 import org.mifosplatform.useradministration.domain.AppUser;
@@ -64,7 +58,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
     private final PlatformSecurityContext context;
     private final LoanEventApiJsonValidator loanEventApiJsonValidator;
-    private final LoanTransactionCommandFromApiJsonDeserializer loanTransactionCommandFromApiJsonDeserializer;
     private final LoanChargeCommandFromApiJsonDeserializer loanChargeCommandFromApiJsonDeserializer;
     private final LoanUpdateCommandFromApiJsonDeserializer loanUpdateCommandFromApiJsonDeserializer;
     private final LoanRepository loanRepository;
@@ -79,7 +72,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     @Autowired
     public LoanWritePlatformServiceJpaRepositoryImpl(final PlatformSecurityContext context,
             final LoanEventApiJsonValidator loanEventApiJsonValidator,
-            final LoanTransactionCommandFromApiJsonDeserializer loanTransactionCommandFromApiJsonDeserializer,
             final LoanChargeCommandFromApiJsonDeserializer loanChargeCommandFromApiJsonDeserializer,
             final LoanUpdateCommandFromApiJsonDeserializer loanUpdateCommandFromApiJsonDeserializer, final LoanAssembler loanAssembler,
             final LoanRepository loanRepository, final LoanTransactionRepository loanTransactionRepository,
@@ -88,7 +80,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             final JournalEntryWritePlatformService journalEntryWritePlatformService) {
         this.context = context;
         this.loanEventApiJsonValidator = loanEventApiJsonValidator;
-        this.loanTransactionCommandFromApiJsonDeserializer = loanTransactionCommandFromApiJsonDeserializer;
         this.loanChargeCommandFromApiJsonDeserializer = loanChargeCommandFromApiJsonDeserializer;
         this.loanAssembler = loanAssembler;
         this.loanRepository = loanRepository;
@@ -101,10 +92,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         this.loanUpdateCommandFromApiJsonDeserializer = loanUpdateCommandFromApiJsonDeserializer;
     }
 
-    private boolean isBeforeToday(final LocalDate date) {
-        return date.isBefore(DateUtils.getLocalDateOfTenant());
-    }
-
     private LoanLifecycleStateMachine defaultLoanLifecycleStateMachine() {
         List<LoanStatus> allowedLoanStatuses = Arrays.asList(LoanStatus.values());
         return new DefaultLoanLifecycleStateMachine(allowedLoanStatuses);
@@ -193,11 +180,9 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     @Override
     public CommandProcessingResult makeLoanRepayment(final Long loanId, final JsonCommand command) {
 
-        final AppUser currentUser = context.authenticatedUser();
+        context.authenticatedUser();
 
-        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+        this.loanEventApiJsonValidator.validateTransaction(command.json());
-                .json());
-        loanTransactionCommand.validate();
 
         final LocalDate transactionDate = command.localDateValueOfParameterNamed("transactionDate");
         final BigDecimal transactionAmount = command.bigDecimalValueOfParameterNamed("transactionAmount");
@@ -205,12 +190,11 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
         changes.put("transactionAmount", command.stringValueOfParameterNamed("transactionAmount"));
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
         final Loan loan = retrieveLoanBy(loanId);
 
-        if (this.isBeforeToday(transactionDate) && currentUser.canNotMakeRepaymentOnLoanInPast()) { throw new NoAuthorizationException(
-                "error.msg.no.permission.to.make.repayment.on.loan.in.past"); }
-
         final List<Long> existingTransactionIds = new ArrayList<Long>();
         final List<Long> existingReversedTransactionIds = new ArrayList<Long>();
 
@@ -226,9 +210,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        changes.put("locale", command.locale());
-        changes.put("dateFormat", command.dateFormat());
-
         final ApplicationCurrency currency = this.applicationCurrencyRepository.findOneByCode(loan.getCurrencyCode());
         final Map<String, Object> accountingBridgeData = loan.deriveAccountingBridgeData(currency.toData(), existingTransactionIds,
                 existingReversedTransactionIds);
@@ -251,9 +232,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
         context.authenticatedUser();
 
-        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+        this.loanEventApiJsonValidator.validateTransaction(command.json());
-                .json());
-        loanTransactionCommand.validate();
 
         final Loan loan = retrieveLoanBy(loanId);
 
@@ -266,6 +245,8 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
         changes.put("transactionAmount", command.stringValueOfParameterNamed("transactionAmount"));
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
         final List<Long> existingTransactionIds = new ArrayList<Long>();
         final List<Long> existingReversedTransactionIds = new ArrayList<Long>();
@@ -286,9 +267,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        changes.put("locale", command.locale());
-        changes.put("dateFormat", command.dateFormat());
-
         final ApplicationCurrency currency = this.applicationCurrencyRepository.findOneByCode(loan.getCurrencyCode());
         final Map<String, Object> accountingBridgeData = loan.deriveAccountingBridgeData(currency.toData(), existingTransactionIds,
                 existingReversedTransactionIds);
@@ -311,13 +289,13 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
         context.authenticatedUser();
 
-        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+        this.loanEventApiJsonValidator.validateTransaction(command.json());
-                .json());
-        loanTransactionCommand.validate();
 
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
         changes.put("transactionAmount", command.stringValueOfParameterNamed("transactionAmount"));
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
         final Loan loan = retrieveLoanBy(loanId);
 
@@ -333,9 +311,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        changes.put("locale", command.locale());
-        changes.put("dateFormat", command.dateFormat());
-
         return new CommandProcessingResultBuilder() //
                 .withCommandId(command.commandId()) //
                 .withEntityId(waiveTransaction.getId()) //
@@ -352,16 +327,19 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     public CommandProcessingResult writeOff(final Long loanId, final JsonCommand command) {
         context.authenticatedUser();
 
-        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+        this.loanEventApiJsonValidator.validateTransactionWithNoAmount(command.json());
-                .json());
-        loanTransactionCommand.validateNonMonetaryTransaction();
 
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
         final Loan loan = retrieveLoanBy(loanId);
 
-        final LoanTransaction writeoff = loan.closeAsWrittenOff(command, defaultLoanLifecycleStateMachine(), changes);
+        final List<Long> existingTransactionIds = new ArrayList<Long>();
+        final List<Long> existingReversedTransactionIds = new ArrayList<Long>();
+        final LoanTransaction writeoff = loan.closeAsWrittenOff(command, defaultLoanLifecycleStateMachine(), changes,
+                existingTransactionIds, existingReversedTransactionIds);
 
         this.loanTransactionRepository.save(writeoff);
         this.loanRepository.save(loan);
@@ -373,14 +351,10 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        changes.put("locale", command.locale());
+        final ApplicationCurrency currency = this.applicationCurrencyRepository.findOneByCode(loan.getCurrencyCode());
-        changes.put("dateFormat", command.dateFormat());
+        final Map<String, Object> accountingBridgeData = loan.deriveAccountingBridgeData(currency.toData(), existingTransactionIds,
-
+                existingReversedTransactionIds);
-        // make a call to accounting
+        journalEntryWritePlatformService.createJournalEntriesForLoan(accountingBridgeData);
-        if (loan.isAccountingEnabledOnLoanProduct()) {
-            LoanDTO loanDTO = populateLoanData(loan, writeoff);
-            journalEntryWritePlatformService.createJournalEntriesForLoan(loanDTO);
-        }
 
         return new CommandProcessingResultBuilder() //
                 .withCommandId(command.commandId()) //
@@ -399,16 +373,20 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
         context.authenticatedUser();
 
-        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+        this.loanEventApiJsonValidator.validateTransactionWithNoAmount(command.json());
-                .json());
-        loanTransactionCommand.validateNonMonetaryTransaction();
 
         final Loan loan = retrieveLoanBy(loanId);
 
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
-        final LoanTransaction possibleClosingTransaction = loan.close(command, defaultLoanLifecycleStateMachine(), changes);
+        final List<Long> existingTransactionIds = new ArrayList<Long>();
+        final List<Long> existingReversedTransactionIds = new ArrayList<Long>();
+
+        final LoanTransaction possibleClosingTransaction = loan.close(command, defaultLoanLifecycleStateMachine(), changes,
+                existingTransactionIds, existingReversedTransactionIds);
         if (possibleClosingTransaction != null) {
             this.loanTransactionRepository.save(possibleClosingTransaction);
         }
@@ -421,8 +399,12 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        changes.put("locale", command.locale());
+        if (possibleClosingTransaction != null) {
-        changes.put("dateFormat", command.dateFormat());
+            final ApplicationCurrency currency = this.applicationCurrencyRepository.findOneByCode(loan.getCurrencyCode());
+            final Map<String, Object> accountingBridgeData = loan.deriveAccountingBridgeData(currency.toData(), existingTransactionIds,
+                    existingReversedTransactionIds);
+            journalEntryWritePlatformService.createJournalEntriesForLoan(accountingBridgeData);
+        }
 
         CommandProcessingResult result = null;
         if (possibleClosingTransaction != null) {
@@ -456,14 +438,14 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     public CommandProcessingResult closeAsRescheduled(final Long loanId, final JsonCommand command) {
         context.authenticatedUser();
 
-        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+        this.loanEventApiJsonValidator.validateTransactionWithNoAmount(command.json());
-                .json());
-        loanTransactionCommand.validateNonMonetaryTransaction();
 
         final Loan loan = retrieveLoanBy(loanId);
 
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
         loan.closeAsMarkedForReschedule(command, defaultLoanLifecycleStateMachine(), changes);
 
@@ -476,9 +458,6 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        changes.put("locale", command.locale());
-        changes.put("dateFormat", command.dateFormat());
-
         return new CommandProcessingResultBuilder() //
                 .withCommandId(command.commandId()) //
                 .withEntityId(loanId) //
@@ -719,24 +698,4 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
                 .withLoanId(loanId) //
                 .build();
     }
-
-    private LoanDTO populateLoanDTO(final Loan loan, final List<LoanTransaction> loanTransactions) {
-        List<LoanTransactionDTO> loanTransactionDTOs = new ArrayList<LoanTransactionDTO>();
-        for (LoanTransaction loanTransaction : loanTransactions) {
-            LoanTransactionDTO loanTransactionDTO = new LoanTransactionDTO(loanTransaction.getId().toString(), loanTransaction.getDateOf(),
-                    loanTransaction.getAmount(), loanTransaction.getPrincipalPortion(), loanTransaction.getInterestPortion(),
-                    loanTransaction.getFeePortion(), loanTransaction.getPenaltyChargesPortion(), loanTransaction.isDisbursement(),
-                    loanTransaction.isRepayment(), loanTransaction.isRepaymentAtDisbursement(), loanTransaction.isReversed(),
-                    loanTransaction.isWriteOff());
-            loanTransactionDTOs.add(loanTransactionDTO);
-        }
-        return new LoanDTO(loan.getId(), loan.productId(), loan.getOfficeId(), loan.isCashBasedAccountingEnabledOnLoanProduct(),
-                loan.isAccrualBasedAccountingEnabledOnLoanProduct(), loanTransactionDTOs);
-    }
-
-    private LoanDTO populateLoanData(final Loan loan, final LoanTransaction loanTransaction) {
-        List<LoanTransaction> loanTransactions = new ArrayList<LoanTransaction>();
-        loanTransactions.add(loanTransaction);
-        return populateLoanDTO(loan, loanTransactions);
-    }
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savingsaccount/domain/SavingAccount.java

@@ -625,11 +625,10 @@ public class SavingAccount extends AbstractAuditableCustom<AppUser, Long> {
     public void postInterest() {
 
         LocalDate lastInterestPostedDate = getLastInterestPostedDate();
-        @SuppressWarnings("unused")
+        // LocalDate nextInterestPostingDate = getNextInterestPostedDate();
-        LocalDate nextInterestPostingDate = getNextInterestPostedDate();
+        // SavingInterestCalculationMethod savingInterestCalculationMethod =
-        @SuppressWarnings("unused")
+        // SavingInterestCalculationMethod
-        SavingInterestCalculationMethod savingInterestCalculationMethod = SavingInterestCalculationMethod
+        // .fromInt(this.interestCalculationMethod);
-                .fromInt(this.interestCalculationMethod);
 
         Integer monthsForInterestCalculation = Months.monthsBetween(lastInterestPostedDate, new LocalDate()).getMonths();
         Integer postInterestItereations = monthsForInterestCalculation / this.interestPostEvery;
@@ -644,7 +643,7 @@ public class SavingAccount extends AbstractAuditableCustom<AppUser, Long> {
 
         while (postInterestItereations > 0) {
             lastInterestPostedDate = getLastInterestPostedDate();
-            nextInterestPostingDate = getNextInterestPostedDate();
+            // nextInterestPostingDate = getNextInterestPostedDate();
             LocalDate transactionStartDate = lastInterestPostedDate;
 
             BigDecimal termTotalAmount = BigDecimal.ZERO;
@@ -687,7 +686,7 @@ public class SavingAccount extends AbstractAuditableCustom<AppUser, Long> {
                 isOutstandingAmountCalculated = true;
 
             }
-            // TODO- calculate interest on calculation method
+            // TODO - HUGO - calculate interest on calculation method
 
             // if (savingInterestCalculationMethod.isAverageBalance()) {
             averageBalanceForTerm = BigDecimal.valueOf(termTotalAmount.doubleValue() / this.interestPostEvery);

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savingsaccount/service/CalculateSavingScheduleImpl.java

@@ -45,12 +45,12 @@ public class CalculateSavingScheduleImpl implements CalculateSavingSchedule {
     }
 
     @Override
-    public SavingScheduleData calculateSavingSchedule(CalculateSavingScheduleCommand command) {
+    public SavingScheduleData calculateSavingSchedule(final CalculateSavingScheduleCommand command) {
 
         context.authenticatedUser();
         SavingScheduleData savingScheduleData = null;
 
-        // FIXME Validations should write here
+        // FIXME - HUGO - Validations should write here
         final SavingProduct savingProduct = this.savingProductRepository.findOne(command.getProductId());
         if (savingProduct == null) throw new SavingProductNotFoundException(command.getProductId());
 

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savingsaccountproduct/service/SavingProductEnumerations.java

@@ -39,7 +39,7 @@ public class SavingProductEnumerations {
         return savingsLockinPeriod(SavingsLockinPeriodEnum.fromInt(id));
     }
 
-    public static EnumOptionData savingsLockinPeriod(SavingsLockinPeriodEnum type) {
+    public static EnumOptionData savingsLockinPeriod(final SavingsLockinPeriodEnum type) {
         final String codePrefix = "savings.product.";
         EnumOptionData optionData = null;
         switch (type) {
@@ -67,7 +67,7 @@ public class SavingProductEnumerations {
         return optionData;
     }
 
-    public static EnumOptionData savingInterestCalculationMethod(SavingInterestCalculationMethod type) {
+    public static EnumOptionData savingInterestCalculationMethod(final SavingInterestCalculationMethod type) {
         final String codePrefix = "savings.interestCalculation.method.";
         EnumOptionData optionData = null;
         switch (type) {
@@ -95,7 +95,7 @@ public class SavingProductEnumerations {
         return optionData;
     }
 
-    public static EnumOptionData savingInterestType(SavingsInterestType type) {
+    public static EnumOptionData savingInterestType(final SavingsInterestType type) {
         final String codePrefix = "savings.interest.type.";
         EnumOptionData optionData = null;
         switch (type) {
@@ -115,7 +115,7 @@ public class SavingProductEnumerations {
         return optionData;
     }
 
-    public static EnumOptionData interestFrequencyType(SavingFrequencyType type) {
+    public static EnumOptionData interestFrequencyType(final SavingFrequencyType type) {
         final String codePrefix = "saving.product.frequency.period.";
         EnumOptionData optionData = null;
         switch (type) {
@@ -171,7 +171,6 @@ public class SavingProductEnumerations {
         final String codePrefix = "savings.product.";
         EnumOptionData optionData = null;
         switch (type) {
-        // FIXME - Madhukar - spelling mistake on 'Recurring'
             case RECURRING:
                 optionData = new EnumOptionData(SavingProductType.RECURRING.getValue().longValue(), codePrefix
                         + SavingProductType.RECURRING.getCode(), "Recurring");

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savingsdepositaccount/domain/FixedTermDepositInterestCalculator.java

@@ -16,11 +16,11 @@ import org.springframework.stereotype.Service;
 @Service
 public class FixedTermDepositInterestCalculator {
 
-    // FIXME - MADHUKAR - Are the unused field here needed?
+    // FIXME - HUGO - Are the unused field here needed?
     public Money calculateInterestOnMaturityFor(final Money deposit, final Integer tenureInMonths, final BigDecimal maturityInterestRate,
             final Integer interestCompoundedEvery, final PeriodFrequencyType interestCompoundedFrequencyPeriodType) {
 
-        // TODO - Can change 'interest compounding' fields into something
+        // TODO - HUGO - Can change 'interest compounding' fields into something
         // simpler like interestCompoundedFrequency {None (Simple Interest),
         // Monthly, Quarterly, Half-Yearly, Annually}
         // - the 'interestCompoundedEvery' would then be inferred form the
@@ -28,7 +28,7 @@ public class FixedTermDepositInterestCalculator {
         // - the special case of 'simple interest' or 'no compounding' would use
         // simple formula rather than 'future value' function.
 
-        // FIXME - assuming only monthly compounding period for now
+        // FIXME - HUGO - assuming only monthly compounding period for now
         MathContext mc = new MathContext(8, RoundingMode.HALF_EVEN);
         Integer monthsInYear = 12;
 
@@ -59,8 +59,8 @@ public class FixedTermDepositInterestCalculator {
      * payments are due at the beginning of period (false => payments are due at
      * end of period)
      */
-    private static double fv(double ratePeriodCompoundingPeriod, double numberOfCompoundingPeriods, double pmtPerPeriod,
+    private static double fv(final double ratePeriodCompoundingPeriod, final double numberOfCompoundingPeriods, final double pmtPerPeriod,
-            double presentValue, boolean type) {
+            final double presentValue, final boolean type) {
         double retval = 0;
         if (ratePeriodCompoundingPeriod == 0) {
             retval = -1 * (presentValue + (numberOfCompoundingPeriods * pmtPerPeriod));
@@ -72,8 +72,8 @@ public class FixedTermDepositInterestCalculator {
         return retval;
     }
 
-    public Money calculateInterestOnMaturityForSimpleInterest(Money deposit, Integer tenureInMonths, BigDecimal maturityInterestRate,
+    public Money calculateInterestOnMaturityForSimpleInterest(final Money deposit, final Integer tenureInMonths, final BigDecimal maturityInterestRate,
-            Integer interestCompoundedEvery, PeriodFrequencyType interestCompoundedFrequencyPeriodType) {
+            final Integer interestCompoundedEvery, final PeriodFrequencyType interestCompoundedFrequencyPeriodType) {
 
         MathContext mc = new MathContext(8, RoundingMode.HALF_EVEN);
         Integer monthsInYear = 12;
@@ -91,7 +91,7 @@ public class FixedTermDepositInterestCalculator {
         return Money.of(deposit.getCurrency(), totalAmount);
     }
 
-    public Money calculateRemainInterest(Money deposit, Integer days, BigDecimal interestRate) {
+    public Money calculateRemainInterest(final Money deposit, final Integer days, final BigDecimal interestRate) {
 
         MathContext mc = new MathContext(8, RoundingMode.HALF_EVEN);
         Integer daysInYear = 365;