added savings transaction adjustment API

added Interest posting for undo transactions

rebase changes

mifosng-db/migrations/core_db/V98__add_permission_for_adjust_savings_transaction.sql

@@ -0,0 +1 @@
+INSERT INTO `m_permission` (`grouping`, `code`, `entity_name`, `action_name`, `can_maker_checker`) VALUES ('transaction_savings', 'ADJUSTTRANSACTION_SAVINGSACCOUNT', 'SAVINGSACCOUNT', 'ADJUSTTRANSACTION', 0);

mifosng-provider/src/main/java/org/mifosplatform/commands/domain/CommandWrapper.java

@@ -478,6 +478,10 @@ public class CommandWrapper {
         return this.actionName.equalsIgnoreCase("UNDOTRANSACTION") && this.entityName.equalsIgnoreCase("SAVINGSACCOUNT");
     }
 
+    public boolean isAdjustSavingsAccountTransaction() {
+        return this.actionName.equalsIgnoreCase("ADJUSTTRANSACTION") && this.entityName.equalsIgnoreCase("SAVINGSACCOUNT");
+    }
+
     public boolean isCalendarResource() {
         return this.entityName.equalsIgnoreCase("CALENDAR");
     }

mifosng-provider/src/main/java/org/mifosplatform/commands/service/CommandWrapperBuilder.java

@@ -342,7 +342,7 @@ public class CommandWrapperBuilder {
         this.href = "/clients/" + clientId + "?command=activate&template=true";
         return this;
     }
-    
+
     public CommandWrapperBuilder closeClient(final Long clientId) {
         this.actionName = "CLOSE";
         this.entityName = "CLIENT";
@@ -372,30 +372,30 @@ public class CommandWrapperBuilder {
     }
 
     public CommandWrapperBuilder createDBDatatable(final String json) {
-    	this.actionName = "CREATE";
-    	this.entityName = "DATATABLE";
-    	this.entityId = null;
-    	this.href = "/datatables/";
-    	this.json = json;
-    	return this;
+        this.actionName = "CREATE";
+        this.entityName = "DATATABLE";
+        this.entityId = null;
+        this.href = "/datatables/";
+        this.json = json;
+        return this;
     }
 
     public CommandWrapperBuilder updateDBDatatable(final String datatable, final String json) {
-    	this.actionName = "UPDATE";
-    	this.entityName = "DATATABLE";
-    	this.entityId = null;
-    	this.href = "/datatables/" + datatable;
-    	this.json = json;
-    	return this;
+        this.actionName = "UPDATE";
+        this.entityName = "DATATABLE";
+        this.entityId = null;
+        this.href = "/datatables/" + datatable;
+        this.json = json;
+        return this;
     }
 
     public CommandWrapperBuilder deleteDBDatatable(final String datatable, final String json) {
-    	this.actionName = "DELETE";
-    	this.entityName = "DATATABLE";
-    	this.entityId = null;
-    	this.href = "/datatables/" + datatable;
-    	this.json = json;
-    	return this;
+        this.actionName = "DELETE";
+        this.entityName = "DATATABLE";
+        this.entityId = null;
+        this.href = "/datatables/" + datatable;
+        this.json = json;
+        return this;
     }
 
     public CommandWrapperBuilder createDatatable(final String datatable, final Long apptableId, final Long datatableId) {
@@ -845,6 +845,17 @@ public class CommandWrapperBuilder {
         return this;
     }
 
+    public CommandWrapperBuilder adjustSavingsAccountTransaction(final Long accountId, final Long transactionId) {
+        this.actionName = "ADJUSTTRANSACTION";
+        this.entityName = "SAVINGSACCOUNT";
+        this.savingsId = accountId;
+        this.entityId = accountId;
+        this.subentityId = transactionId;
+        this.transactionId = transactionId.toString();
+        this.href = "/savingsaccounts/" + accountId + "/transactions/" + transactionId + "?command=modify";
+        return this;
+    }
+
     public CommandWrapperBuilder savingsAccountInterestCalculation(final Long accountId) {
         this.actionName = "CALCULATEINTEREST";
         this.entityName = "SAVINGSACCOUNT";
@@ -953,7 +964,7 @@ public class CommandWrapperBuilder {
         this.href = "/groups/" + groupId + "?command=activate";
         return this;
     }
-    
+
     public CommandWrapperBuilder saveGroupCollectionSheet(final Long groupId) {
         this.actionName = "SAVECOLLECTIONSHEET";
         this.entityName = "GROUP";
@@ -962,7 +973,7 @@ public class CommandWrapperBuilder {
         this.href = "/groups/" + groupId + "?command=saveCollectionSheet";
         return this;
     }
-    
+
     public CommandWrapperBuilder deleteGroup(final Long groupId) {
         this.actionName = "DELETE";
         this.entityName = "GROUP";
@@ -998,16 +1009,16 @@ public class CommandWrapperBuilder {
         this.href = "/groups/" + groupId;
         return this;
     }
-    
+
     public CommandWrapperBuilder assignGroupStaff(final Long groupId) {
         this.actionName = "ASSIGNSTAFF";
         this.entityName = "GROUP";
         this.entityId = groupId;
         this.groupId = groupId;
-        this.href = "/groups/" + groupId +"?command=assignStaff";
+        this.href = "/groups/" + groupId + "?command=assignStaff";
         return this;
     }
-    
+
     public CommandWrapperBuilder createCollateral(final Long loanId) {
         this.actionName = "CREATE";
         this.entityName = "COLLATERAL";
@@ -1106,7 +1117,7 @@ public class CommandWrapperBuilder {
         this.href = "/accountingrules/" + accountingRuleId;
         return this;
     }
-    
+
     public CommandWrapperBuilder createHoliday() {
         this.actionName = "CREATE";
         this.entityName = "HOLIDAY";
@@ -1120,7 +1131,7 @@ public class CommandWrapperBuilder {
         this.entityName = "GROUP";
         this.groupId = groupId;
         this.entityId = null;
-        this.href = "/groups/"+groupId+"?command=assignRole";
+        this.href = "/groups/" + groupId + "?command=assignRole";
         return this;
     }
 
@@ -1129,7 +1140,7 @@ public class CommandWrapperBuilder {
         this.entityName = "GROUP";
         this.groupId = groupId;
         this.entityId = roleId;
-        this.href = "/groups/"+groupId+"?command=unassignRole";
+        this.href = "/groups/" + groupId + "?command=unassignRole";
         return this;
     }
 
@@ -1138,10 +1149,10 @@ public class CommandWrapperBuilder {
         this.entityName = "GROUP";
         this.groupId = groupId;
         this.entityId = roleId;
-        this.href = "/groups/"+groupId+"?command=updateRole";
+        this.href = "/groups/" + groupId + "?command=updateRole";
         return this;
     }
-    
+
     public CommandWrapperBuilder unassignClientStaff(final Long clientId) {
         this.actionName = "UNASSIGNSTAFF";
         this.entityName = "CLIENT";
@@ -1177,7 +1188,7 @@ public class CommandWrapperBuilder {
         this.href = "/loanproducts/" + productId + "/productmix";
         return this;
     }
-    
+
     public CommandWrapperBuilder deleteProductMix(final Long productId) {
         this.actionName = "DELETE";
         this.entityName = "PRODUCTMIX";
@@ -1186,17 +1197,17 @@ public class CommandWrapperBuilder {
         this.href = "/loanproducts/" + productId + "/productmix";
         return this;
     }
-    
+
     public CommandWrapperBuilder withProduct(final Long productId) {
         this.productId = productId;
         return this;
     }
-    
+
     public CommandWrapperBuilder updateJobDetail(final Long jobId) {
         this.actionName = "UPDATE";
         this.entityName = "SCHEDULER";
         this.entityId = jobId;
-        this.href = "/updateJobDetail/" + jobId+"/updateJobDetail";
+        this.href = "/updateJobDetail/" + jobId + "/updateJobDetail";
         return this;
     }
 }

mifosng-provider/src/main/java/org/mifosplatform/commands/service/SynchronousCommandProcessingService.java

@@ -412,6 +412,8 @@ public class SynchronousCommandProcessingService implements CommandProcessingSer
                 handler = this.applicationContext.getBean("applyAnnualFeeSavingsAccountCommandHandler", NewCommandSourceHandler.class);
             } else if (wrapper.isSavingsAccountUndoTransaction()) {
                 handler = this.applicationContext.getBean("undoTransactionSavingsAccountCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isAdjustSavingsAccountTransaction()) {
+                handler = this.applicationContext.getBean("savingsTransactionAdjustmentCommandHandler", NewCommandSourceHandler.class);
             } else {
                 throw new UnsupportedCommandException(wrapper.commandName());
             }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/SavingsApiConstants.java

@@ -30,6 +30,11 @@ public class SavingsApiConstants {
     public static String deleteApplicationAction = ".delete";
     public static String undoTransactionAction = ".undotransaction";
     public static String applyAnnualFeeTransactionAction = ".applyannualfee";
+    public static String adjustTransactionAction = ".adjusttransaction";
+
+    // command
+    public static String COMMAND_UNDO_TRANSACTION = "undo";
+    public static String COMMAND_ADJUST_TRANSACTION = "modify";
 
     // general
     public static final String localeParamName = "locale";
@@ -81,6 +86,10 @@ public class SavingsApiConstants {
     // transaction parameters
     public static final String transactionDateParamName = "transactionDate";
     public static final String transactionAmountParamName = "transactionAmount";
+    public static final String paymentDetailDataParamName = "paymentDetailData";
+    public static final String runningBalanceParamName = "runningBalance";
+    public static final String reversedParamName = "reversed";
+    public static final String dateParamName = "date";
 
     public static final Set<String> SAVINGS_PRODUCT_REQUEST_DATA_PARAMETERS = new HashSet<String>(Arrays.asList(localeParamName,
             monthDayFormatParamName, nameParamName, descriptionParamName, currencyCodeParamName, digitsAfterDecimalParamName,
@@ -135,7 +144,8 @@ public class SavingsApiConstants {
             transactionAccountNumberParamName, checkNumberParamName, routingCodeParamName, receiptNumberParamName, bankNumberParamName));
 
     public static final Set<String> SAVINGS_TRANSACTION_RESPONSE_DATA_PARAMETERS = new HashSet<String>(Arrays.asList(idParamName,
-            "accountId", accountNoParamName, "currency", "amount"));
+            "accountId", accountNoParamName, "currency", "amount", dateParamName, paymentDetailDataParamName, runningBalanceParamName,
+            reversedParamName));
 
     public static final Set<String> SAVINGS_ACCOUNT_ACTIVATION_REQUEST_DATA_PARAMETERS = new HashSet<String>(Arrays.asList(localeParamName,
             dateFormatParamName, activatedOnDateParamName));

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/api/SavingsAccountTransactionsApiResource.java

@@ -91,6 +91,27 @@ public class SavingsAccountTransactionsApiResource {
                 SavingsApiConstants.SAVINGS_TRANSACTION_RESPONSE_DATA_PARAMETERS);
     }
 
+    @GET
+    @Path("{transactionId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String retrieveOne(@PathParam("savingsId") final Long savingsId, @PathParam("transactionId") final Long transactionId,
+            @Context final UriInfo uriInfo) {
+
+        context.authenticatedUser().validateHasReadPermission(SavingsApiConstants.SAVINGS_ACCOUNT_RESOURCE_NAME);
+        SavingsAccountTransactionData transactionData = this.savingsAccountReadPlatformService.retrieveSavingsTransaction(savingsId,
+                transactionId);
+        final ApiRequestJsonSerializationSettings settings = apiRequestParameterHelper.process(uriInfo.getQueryParameters());
+        if (settings.isTemplate()) {
+            final Collection<CodeValueData> paymentTypeOptions = codeValueReadPlatformService
+                    .retrieveCodeValuesByCode(PaymentDetailConstants.paymentTypeCodeName);
+            transactionData = SavingsAccountTransactionData.templateOnTop(transactionData, paymentTypeOptions);
+        }
+
+        return this.toApiJsonSerializer.serialize(settings, transactionData,
+                SavingsApiConstants.SAVINGS_TRANSACTION_RESPONSE_DATA_PARAMETERS);
+    }
+
     @POST
     @Consumes({ MediaType.APPLICATION_JSON })
     @Produces({ MediaType.APPLICATION_JSON })
@@ -120,7 +141,7 @@ public class SavingsAccountTransactionsApiResource {
     @Path("{transactionId}")
     @Consumes({ MediaType.APPLICATION_JSON })
     @Produces({ MediaType.APPLICATION_JSON })
-    public String undoTransaction(@PathParam("savingsId") final Long savingsId, @PathParam("transactionId") final Long transactionId,
+    public String adjustTransaction(@PathParam("savingsId") final Long savingsId, @PathParam("transactionId") final Long transactionId,
             @QueryParam("command") final String commandParam, final String apiRequestBodyAsJson) {
 
         String jsonApiRequest = apiRequestBodyAsJson;
@@ -131,9 +152,12 @@ public class SavingsAccountTransactionsApiResource {
         final CommandWrapperBuilder builder = new CommandWrapperBuilder().withJson(jsonApiRequest);
 
         CommandProcessingResult result = null;
-        if (is(commandParam, "undo")) {
+        if (is(commandParam, SavingsApiConstants.COMMAND_UNDO_TRANSACTION)) {
             final CommandWrapper commandRequest = builder.undoSavingsAccountTransaction(savingsId, transactionId).build();
             result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);
+        } else if (is(commandParam, SavingsApiConstants.COMMAND_ADJUST_TRANSACTION)) {
+            final CommandWrapper commandRequest = builder.adjustSavingsAccountTransaction(savingsId, transactionId).build();
+            result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);
         }
 
         if (result == null) {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/domain/SavingsAccount.java

@@ -719,8 +719,9 @@ public class SavingsAccount extends AbstractPersistable<Long> {
         }
     }
 
-    private void validateAccountBalanceDoesNotBecomeNegativeDueToUndoAction(final List<SavingsAccountTransaction> transactionsSortedByDate) {
+    public void validateAccountBalanceDoesNotBecomeNegative(String transactionAction) {
 
+        final List<SavingsAccountTransaction> transactionsSortedByDate = retreiveListOfTransactions();
         Money runningBalance = Money.zero(this.currency);
 
         for (final SavingsAccountTransaction transaction : transactionsSortedByDate) {
@@ -734,7 +735,7 @@ public class SavingsAccount extends AbstractPersistable<Long> {
                 //
                 final List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
                 final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors)
-                        .resource(SAVINGS_ACCOUNT_RESOURCE_NAME + SavingsApiConstants.undoTransactionAction);
+                        .resource(SAVINGS_ACCOUNT_RESOURCE_NAME + transactionAction);
 
                 baseDataValidator.reset().failWithCodeNoParameterAddedToErrorCode("results.in.balance.going.negative");
 
@@ -1396,8 +1397,7 @@ public class SavingsAccount extends AbstractPersistable<Long> {
         return actualChanges;
     }
 
-    public void undoTransaction(final Long transactionId, final List<Long> reversedTransactionIds, final MathContext mc,
-            final LocalDate upToInterestCalculationDate) {
+    public void undoTransaction(final Long transactionId, final List<Long> reversedTransactionIds) {
 
         SavingsAccountTransaction transactionToUndo = null;
         for (final SavingsAccountTransaction transaction : this.transactions) {
@@ -1424,9 +1424,6 @@ public class SavingsAccount extends AbstractPersistable<Long> {
                 }
             }
 
-            calculateInterestUsing(mc, upToInterestCalculationDate);
-
-            validateAccountBalanceDoesNotBecomeNegativeDueToUndoAction(retreiveListOfTransactions());
         }
     }
 
@@ -1616,8 +1613,8 @@ public class SavingsAccount extends AbstractPersistable<Long> {
             baseDataValidator.reset().parameter(SavingsApiConstants.activatedOnDateParamName).value(dateAsString)
                     .failWithCodeNoParameterAddedToErrorCode("cannot.be.before.client.activation.date");
             if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); }
-        } 
-        
+        }
+
         if (this.group != null && this.group.isActivatedAfter(activationDate)) {
             final DateTimeFormatter formatter = DateTimeFormat.forPattern(command.dateFormat()).withLocale(command.extractLocale());
             final String dateAsString = formatter.print(this.client.getActivationLocalDate());

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/exception/SavingsAccountTransactionNotFoundException.java

@@ -0,0 +1,12 @@
+package org.mifosplatform.portfolio.savings.exception;
+
+import org.mifosplatform.infrastructure.core.exception.AbstractPlatformResourceNotFoundException;
+
+public class SavingsAccountTransactionNotFoundException extends AbstractPlatformResourceNotFoundException {
+
+    public SavingsAccountTransactionNotFoundException(final Long savingsId, final Long transactionId) {
+        super("error.msg.saving.account.trasaction.id.invalid", "Savings account with savings identifier " + savingsId
+                + " and trasaction identifier " + transactionId + " does not exist", savingsId, transactionId);
+    }
+
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/exception/TransactionUpdateNotAllowedException.java

@@ -0,0 +1,15 @@
+package org.mifosplatform.portfolio.savings.exception;
+
+import org.mifosplatform.infrastructure.core.exception.AbstractPlatformServiceUnavailableException;
+
+/**
+ * A {@link RuntimeException} thrown when update not allowed.
+ */
+public class TransactionUpdateNotAllowedException extends AbstractPlatformServiceUnavailableException {
+
+    public TransactionUpdateNotAllowedException(final Long savingsId, final Long transactionId) {
+        super("error.msg.saving.account.trasaction.update.notallowed",
+                "Savings Account transaction update not allowed with savings identifier " + savingsId + " and trasaction identifier "
+                        + transactionId, savingsId, transactionId);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/handler/SavingsTransactionAdjustmentCommandHandler.java

@@ -0,0 +1,28 @@
+package org.mifosplatform.portfolio.savings.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.CommandProcessingResult;
+import org.mifosplatform.portfolio.savings.service.SavingsAccountWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class SavingsTransactionAdjustmentCommandHandler implements NewCommandSourceHandler {
+
+    private final SavingsAccountWritePlatformService writePlatformService;
+
+    @Autowired
+    public SavingsTransactionAdjustmentCommandHandler(final SavingsAccountWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public CommandProcessingResult processCommand(final JsonCommand command) {
+        final Long transactionId = Long.valueOf(command.getTransactionId());
+        return this.writePlatformService.adjustSavingsTransaction(command.getSavingsId(), transactionId, command);
+    }
+
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/service/SavingsAccountReadPlatformService.java

@@ -28,4 +28,6 @@ public interface SavingsAccountReadPlatformService {
     Collection<SavingsAccountTransactionData> retrieveAllTransactions(Long savingsId);
 
     Collection<SavingsAccountAnnualFeeData> retrieveAccountsWithAnnualFeeDue();
+
+    SavingsAccountTransactionData retrieveSavingsTransaction(Long savingsId, Long transactionId);
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/service/SavingsAccountReadPlatformServiceImpl.java

@@ -507,6 +507,14 @@ public class SavingsAccountReadPlatformServiceImpl implements SavingsAccountRead
         return this.jdbcTemplate.query(sql, this.transactionsMapper, new Object[] { savingsId });
     }
 
+    @Override
+    public SavingsAccountTransactionData retrieveSavingsTransaction(final Long savingsId, final Long transactionId) {
+
+        final String sql = "select " + this.transactionsMapper.schema() + " where sa.id = ? and tr.id= ?";
+
+        return this.jdbcTemplate.queryForObject(sql, this.transactionsMapper, new Object[] { savingsId, transactionId });
+    }
+
     @Override
     public Collection<SavingsAccountAnnualFeeData> retrieveAccountsWithAnnualFeeDue() {
         final String sql = "select " + annualFeeMapper.schema()

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/service/SavingsAccountWritePlatformService.java

@@ -26,4 +26,6 @@ public interface SavingsAccountWritePlatformService {
     CommandProcessingResult undoTransaction(Long savingsId, Long transactionId);
 
     void postInterestForAccounts();
+
+    CommandProcessingResult adjustSavingsTransaction(Long savingsId, Long transactionId, JsonCommand command);
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/service/SavingsAccountWritePlatformServiceJpaRepositoryImpl.java

@@ -30,6 +30,7 @@ import org.mifosplatform.organisation.monetary.domain.ApplicationCurrencyReposit
 import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
 import org.mifosplatform.portfolio.paymentdetail.domain.PaymentDetail;
 import org.mifosplatform.portfolio.paymentdetail.service.PaymentDetailWritePlatformService;
+import org.mifosplatform.portfolio.savings.SavingsApiConstants;
 import org.mifosplatform.portfolio.savings.data.SavingsAccountTransactionDataValidator;
 import org.mifosplatform.portfolio.savings.domain.SavingsAccount;
 import org.mifosplatform.portfolio.savings.domain.SavingsAccountAssembler;
@@ -38,6 +39,8 @@ import org.mifosplatform.portfolio.savings.domain.SavingsAccountRepository;
 import org.mifosplatform.portfolio.savings.domain.SavingsAccountStatusType;
 import org.mifosplatform.portfolio.savings.domain.SavingsAccountTransaction;
 import org.mifosplatform.portfolio.savings.domain.SavingsAccountTransactionRepository;
+import org.mifosplatform.portfolio.savings.exception.SavingsAccountTransactionNotFoundException;
+import org.mifosplatform.portfolio.savings.exception.TransactionUpdateNotAllowedException;
 import org.mifosplatform.useradministration.domain.AppUser;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -274,15 +277,20 @@ public class SavingsAccountWritePlatformServiceJpaRepositoryImpl implements Savi
 
         SavingsAccountTransaction savingsAccountTransaction = this.savingsAccountTransactionRepository.findOneByIdAndSavingsAccountId(
                 transactionId, savingsId);
-        if (savingsAccountTransaction == null) {
-            // throw new not found exception
-        }
+        if (savingsAccountTransaction == null) { throw new SavingsAccountTransactionNotFoundException(savingsId, transactionId); }
 
         final LocalDate today = DateUtils.getLocalDateOfTenant();
         final MathContext mc = new MathContext(15, RoundingMode.HALF_EVEN);
 
         final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId);
-        account.undoTransaction(transactionId, reversedTransactionIds, mc, today);
+        account.undoTransaction(transactionId, reversedTransactionIds);
+        if ((savingsAccountTransaction.isDeposit() || savingsAccountTransaction.isWithdrawal())
+                && account.isBeforeLastPostingPeriod(savingsAccountTransaction.transactionLocalDate())) {
+            account.postInterest(mc, today, newTransactionIds, reversedTransactionIds);
+        } else {
+            account.calculateInterestUsing(mc, today);
+        }
+        account.validateAccountBalanceDoesNotBecomeNegative(SavingsApiConstants.undoTransactionAction);
 
         postJournalEntries(account, newTransactionIds, reversedTransactionIds);
 
@@ -295,6 +303,60 @@ public class SavingsAccountWritePlatformServiceJpaRepositoryImpl implements Savi
                 .build();
     }
 
+    @Override
+    public CommandProcessingResult adjustSavingsTransaction(final Long savingsId, final Long transactionId, final JsonCommand command) {
+
+        SavingsAccountTransaction savingsAccountTransaction = this.savingsAccountTransactionRepository.findOneByIdAndSavingsAccountId(
+                transactionId, savingsId);
+        if (savingsAccountTransaction == null) { throw new SavingsAccountTransactionNotFoundException(savingsId, transactionId); }
+
+        if (!(savingsAccountTransaction.isDeposit() || savingsAccountTransaction.isWithdrawal()) || savingsAccountTransaction.isReversed()) { throw new TransactionUpdateNotAllowedException(
+                savingsId, transactionId); }
+        this.savingsAccountTransactionDataValidator.validate(command);
+
+        final LocalDate today = DateUtils.getLocalDateOfTenant();
+
+        final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId);
+
+        final Locale locale = command.extractLocale();
+        final DateTimeFormatter fmt = DateTimeFormat.forPattern(command.dateFormat()).withLocale(locale);
+        final LocalDate transactionDate = command.localDateValueOfParameterNamed(SavingsApiConstants.transactionDateParamName);
+        final BigDecimal transactionAmount = command.bigDecimalValueOfParameterNamed(SavingsApiConstants.transactionAmountParamName);
+        final List<Long> existingTransactionIds = new ArrayList<Long>();
+        final List<Long> existingReversedTransactionIds = new ArrayList<Long>();
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        PaymentDetail paymentDetail = paymentDetailWritePlatformService.createAndPersistPaymentDetail(command, changes);
+
+        final MathContext mc = new MathContext(10, RoundingMode.HALF_EVEN);
+        account.undoTransaction(transactionId, existingReversedTransactionIds);
+        SavingsAccountTransaction transaction = null;
+        if (savingsAccountTransaction.isDeposit()) {
+            transaction = account.deposit(fmt, transactionDate, transactionAmount, existingTransactionIds, existingReversedTransactionIds,
+                    paymentDetail);
+        } else {
+            transaction = account.withdraw(fmt, transactionDate, transactionAmount, existingTransactionIds, existingReversedTransactionIds,
+                    paymentDetail);
+        }
+        final Long newtransactionId = saveTransactionToGenerateTransactionId(transaction);
+
+        if (account.isBeforeLastPostingPeriod(transactionDate)
+                || account.isBeforeLastPostingPeriod(savingsAccountTransaction.transactionLocalDate())) {
+            account.postInterest(mc, today, existingTransactionIds, existingReversedTransactionIds);
+        } else {
+            account.calculateInterestUsing(mc, today);
+        }
+        account.validateAccountBalanceDoesNotBecomeNegative(SavingsApiConstants.adjustTransactionAction);
+        postJournalEntries(account, existingTransactionIds, existingReversedTransactionIds);
+        return new CommandProcessingResultBuilder() //
+                .withEntityId(newtransactionId) //
+                .withOfficeId(account.officeId()) //
+                .withClientId(account.clientId()) //
+                .withGroupId(account.groupId()) //
+                .withSavingsId(savingsId) //
+                .with(changes)//
+                .build();
+    }
+
     private void postJournalEntries(final SavingsAccount savingsAccount, final List<Long> existingTransactionIds,
             final List<Long> existingReversedTransactionIds) {