MIFOSX-97: further support for maker-checker and audit around loans.

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

@@ -167,7 +167,7 @@ public class CommandWrapper {
     public boolean isLoanResource() {
         return this.resource.equalsIgnoreCase("LOANS");
     }
-    
+
     public boolean isApproveLoanApplication() {
         return this.actionName.equalsIgnoreCase("APPROVE") && this.entityName.equalsIgnoreCase("LOAN");
     }
@@ -191,4 +191,28 @@ public class CommandWrapper {
     public boolean isUndoDisbursementOfLoan() {
         return this.actionName.equalsIgnoreCase("DISBURSALUNDO") && this.entityName.equalsIgnoreCase("LOAN");
     }
+
+    public boolean isLoanRepayment() {
+        return this.actionName.equalsIgnoreCase("REPAYMENT") && this.entityName.equalsIgnoreCase("LOAN");
+    }
+
+    public boolean isLoanRepaymentAdjustment() {
+        return this.actionName.equalsIgnoreCase("ADJUST") && this.entityName.equalsIgnoreCase("LOAN");
+    }
+
+    public boolean isWaiveInterestPortionOnLoan() {
+        return this.actionName.equalsIgnoreCase("WAIVEINTERESTPORTION") && this.entityName.equalsIgnoreCase("LOAN");
+    }
+
+    public boolean isLoanWriteOff() {
+        return this.actionName.equalsIgnoreCase("WRITEOFF") && this.entityName.equalsIgnoreCase("LOAN");
+    }
+
+    public boolean isCloseLoanAsObligationsMet() {
+        return this.actionName.equalsIgnoreCase("CLOSE") && this.entityName.equalsIgnoreCase("LOAN");
+    }
+
+    public boolean isCloseLoanAsRescheduled() {
+        return this.actionName.equalsIgnoreCase("CLOSEASRESCHEDULED") && this.entityName.equalsIgnoreCase("LOAN");
+    }
 }

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

@@ -224,6 +224,18 @@ public class SynchronousCommandProcessingService implements CommandProcessingSer
                 handler = applicationContext.getBean("disburseLoanCommandHandler", NewCommandSourceHandler.class);
             } else if (wrapper.isUndoDisbursementOfLoan()) {
                 handler = applicationContext.getBean("undoDisbursalLoanCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isLoanRepayment()) {
+                handler = applicationContext.getBean("loanRepaymentCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isLoanRepaymentAdjustment()) {
+                handler = applicationContext.getBean("loanRepaymentAdjustmentCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isWaiveInterestPortionOnLoan()) {
+                handler = applicationContext.getBean("waiveInterestPortionOnLoanCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isLoanWriteOff()) {
+                handler = applicationContext.getBean("writeOffLoanCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isCloseLoanAsObligationsMet()) {
+                handler = applicationContext.getBean("closeLoanCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isCloseLoanAsRescheduled()) {
+                handler = applicationContext.getBean("closeLoanAsRescheduledCommandHandler", NewCommandSourceHandler.class);
             } else if (wrapper.isCreate()) {
                 handler = applicationContext.getBean("createLoanApplicationCommandHandler", NewCommandSourceHandler.class);
             } else if (wrapper.isUpdate()) {

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/core/api/GoogleGsonPortfolioApiJsonSerializerService.java

@@ -16,7 +16,6 @@ import org.mifosplatform.portfolio.client.data.ClientAccountSummaryCollectionDat
 import org.mifosplatform.portfolio.group.data.GroupAccountSummaryCollectionData;
 import org.mifosplatform.portfolio.group.data.GroupData;
 import org.mifosplatform.portfolio.loanaccount.data.LoanChargeData;
-import org.mifosplatform.portfolio.loanaccount.data.LoanTransactionData;
 import org.mifosplatform.portfolio.loanaccount.gaurantor.data.GuarantorData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingAccountData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingScheduleData;
@@ -42,7 +41,7 @@ public class GoogleGsonPortfolioApiJsonSerializerService implements PortfolioApi
             "createdOn", "lastModifedOn", "locale", "name", "description", "currencyCode", "digitsAfterDecimal", "interstRate",
             "minInterestRate", "maxInterestRate", "savingsDepositAmount", "savingProductType", "tenureType", "tenure", "frequency",
             "interestType", "interestCalculationMethod", "minimumBalanceForWithdrawal", "isPartialDepositAllowed", "isLockinPeriodAllowed",
-            "lockinPeriod", "lockinPeriodType", "currencyOptions", "savingsProductTypeOptions", "tenureTypeOptions","depositEvery",
+            "lockinPeriod", "lockinPeriodType", "currencyOptions", "savingsProductTypeOptions", "tenureTypeOptions", "depositEvery",
             "savingFrequencyOptions", "savingsInterestTypeOptions", "lockinPeriodTypeOptions", "interestCalculationOptions"));
 
     private static final Set<String> SAVINGS_DEPOSIT_PRODUCT_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("currencyOptions",
@@ -78,9 +77,6 @@ public class GoogleGsonPortfolioApiJsonSerializerService implements PortfolioApi
     private static final Set<String> GROUP_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("id", "officeId", "name", "externalId",
             "clientMembers", "allowedClients", "allowedOffices"));
 
-    private static final Set<String> LOAN_TRANSACTION_NEW_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("id", "type", "date",
-            "currency", "amount"));
-
     private static final Set<String> LOAN_REASSIGNMENT_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("officeId", "fromLoanOfficerId",
             "assignmentDate", "officeOptions", "loanOfficerOptions", "accountSummaryCollection"));
 
@@ -206,14 +202,6 @@ public class GoogleGsonPortfolioApiJsonSerializerService implements PortfolioApi
         return helper.serializedJsonFrom(gsonDeserializer, group);
     }
 
-    @Override
-    public String serializeLoanTransactionDataToJson(final boolean prettyPrint, final Set<String> responseParameters,
-            final LoanTransactionData transaction) {
-        final Gson gsonDeserializer = helper.createGsonBuilderWithParameterExclusionSerializationStrategy(
-                LOAN_TRANSACTION_NEW_DATA_PARAMETERS, prettyPrint, responseParameters);
-        return helper.serializedJsonFrom(gsonDeserializer, transaction);
-    }
-
     @Override
     public String serializeLoanReassignmentDataToJson(boolean prettyPrint, Set<String> responseParameters,
             BulkTransferLoanOfficerData loanReassignmentData) {

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/core/api/PortfolioApiDataConversionService.java

@@ -4,9 +4,7 @@ import org.mifosplatform.organisation.staff.command.BulkTransferLoanOfficerComma
 import org.mifosplatform.portfolio.client.command.NoteCommand;
 import org.mifosplatform.portfolio.client.data.ClientData;
 import org.mifosplatform.portfolio.group.command.GroupCommand;
-import org.mifosplatform.portfolio.loanaccount.command.AdjustLoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.gaurantor.command.GuarantorCommand;
 import org.mifosplatform.portfolio.savingsaccount.command.SavingAccountCommand;
 import org.mifosplatform.portfolio.savingsaccountproduct.command.SavingProductCommand;
@@ -29,10 +27,6 @@ public interface PortfolioApiDataConversionService {
 
     LoanChargeCommand convertJsonToLoanChargeCommand(Long loanChargeId, Long loanId, String json);
 
-    LoanTransactionCommand convertJsonToLoanTransactionCommand(Long resourceIdentifier, String json);
-
-    AdjustLoanTransactionCommand convertJsonToAdjustLoanTransactionCommand(Long loanId, Long transactionId, String json);
-
     NoteCommand convertJsonToNoteCommand(Long resourceIdentifier, Long clientId, String json);
 
     DepositAccountCommand convertJsonToDepositAccountCommand(Long resourceIdentifier, String json);

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/core/api/PortfolioApiDataConversionServiceImpl.java

@@ -27,9 +27,7 @@ import org.mifosplatform.portfolio.client.command.NoteCommand;
 import org.mifosplatform.portfolio.client.data.ClientData;
 import org.mifosplatform.portfolio.client.serialization.ClientCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.group.command.GroupCommand;
-import org.mifosplatform.portfolio.loanaccount.command.AdjustLoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.gaurantor.command.GuarantorCommand;
 import org.mifosplatform.portfolio.savingsaccount.command.SavingAccountCommand;
 import org.mifosplatform.portfolio.savingsaccountproduct.command.SavingProductCommand;
@@ -203,50 +201,6 @@ public class PortfolioApiDataConversionServiceImpl implements PortfolioApiDataCo
                 submittedOnDate);
     }
 
-    @Override
-    public LoanTransactionCommand convertJsonToLoanTransactionCommand(final Long resourceIdentifier, final String json) {
-        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
-
-        Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
-        Map<String, Object> requestMap = gsonConverter.fromJson(json, typeOfMap);
-
-        Set<String> supportedParams = new HashSet<String>(Arrays.asList("transactionDate", "transactionAmount", "note", "dateFormat",
-                "locale"));
-
-        checkForUnsupportedParameters(requestMap, supportedParams);
-
-        Set<String> modifiedParameters = new HashSet<String>();
-
-        LocalDate transactionDate = extractLocalDateParameter("transactionDate", requestMap, modifiedParameters);
-        BigDecimal transactionAmount = extractBigDecimalParameter("transactionAmount", requestMap, modifiedParameters);
-        String note = extractStringParameter("note", requestMap, modifiedParameters);
-
-        return new LoanTransactionCommand(resourceIdentifier, transactionDate, transactionAmount, note);
-    }
-
-    @Override
-    public AdjustLoanTransactionCommand convertJsonToAdjustLoanTransactionCommand(final Long loanId, final Long transactionId,
-            final String json) {
-
-        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
-
-        Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
-        Map<String, Object> requestMap = gsonConverter.fromJson(json, typeOfMap);
-
-        Set<String> supportedParams = new HashSet<String>(Arrays.asList("transactionDate", "transactionAmount", "note", "dateFormat",
-                "locale"));
-
-        checkForUnsupportedParameters(requestMap, supportedParams);
-
-        Set<String> modifiedParameters = new HashSet<String>();
-
-        LocalDate transactionDate = extractLocalDateParameter("transactionDate", requestMap, modifiedParameters);
-        BigDecimal transactionAmount = extractBigDecimalParameter("transactionAmount", requestMap, modifiedParameters);
-        String note = extractStringParameter("note", requestMap, modifiedParameters);
-
-        return new AdjustLoanTransactionCommand(loanId, transactionId, transactionDate, note, transactionAmount);
-    }
-
     @Override
     public NoteCommand convertJsonToNoteCommand(final Long noteId, final Long clientId, final String json) {
         if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
@@ -741,7 +695,7 @@ public class PortfolioApiDataConversionServiceImpl implements PortfolioApiDataCo
         Set<String> supportedParams = new HashSet<String>(Arrays.asList("locale", "name", "description", "currencyCode",
                 "digitsAfterDecimal", "interestRate", "minInterestRate", "maxInterestRate", "savingsDepositAmount", "savingProductType",
                 "tenureType", "tenure", "frequency", "interestType", "interestCalculationMethod", "minimumBalanceForWithdrawal",
-                "isPartialDepositAllowed", "isLockinPeriodAllowed", "lockinPeriod", "lockinPeriodType","depositEvery"));
+                "isPartialDepositAllowed", "isLockinPeriodAllowed", "lockinPeriod", "lockinPeriodType", "depositEvery"));
 
         checkForUnsupportedParameters(requestMap, supportedParams);
         Set<String> modifiedParameters = new HashSet<String>();
@@ -767,9 +721,9 @@ public class PortfolioApiDataConversionServiceImpl implements PortfolioApiDataCo
         Integer lockinPeriodType = extractIntegerParameter("lockinPeriodType", requestMap, modifiedParameters);
 
         return new SavingProductCommand(modifiedParameters, resourceIdentifier, name, description, currencyCode, digitsAfterDecimalValue,
-                interestRate, minInterestRate, maxInterestRate, savingsDepositAmount, depositEvery, savingProductType, tenureType, tenure, frequency,
-                interestType, interestCalculationMethod, minimumBalanceForWithdrawal, isPartialDepositAllowed, isLockinPeriodAllowed,
-                lockinPeriod, lockinPeriodType);
+                interestRate, minInterestRate, maxInterestRate, savingsDepositAmount, depositEvery, savingProductType, tenureType, tenure,
+                frequency, interestType, interestCalculationMethod, minimumBalanceForWithdrawal, isPartialDepositAllowed,
+                isLockinPeriodAllowed, lockinPeriod, lockinPeriodType);
     }
 
     @Override

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/core/api/PortfolioApiJsonSerializerService.java

@@ -13,7 +13,6 @@ import org.mifosplatform.portfolio.client.data.ClientAccountSummaryCollectionDat
 import org.mifosplatform.portfolio.group.data.GroupAccountSummaryCollectionData;
 import org.mifosplatform.portfolio.group.data.GroupData;
 import org.mifosplatform.portfolio.loanaccount.data.LoanChargeData;
-import org.mifosplatform.portfolio.loanaccount.data.LoanTransactionData;
 import org.mifosplatform.portfolio.loanaccount.gaurantor.data.GuarantorData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingAccountData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingScheduleData;
@@ -51,8 +50,6 @@ public interface PortfolioApiJsonSerializerService {
 
     String serializeGroupDataToJson(boolean prettyPrint, Set<String> responseParameters, GroupData group);
 
-    String serializeLoanTransactionDataToJson(boolean prettyPrint, Set<String> responseParameters, LoanTransactionData newTransactionData);
-
     String serializeLoanReassignmentDataToJson(boolean prettyPrint, Set<String> responseParameters,
             BulkTransferLoanOfficerData loanReassignmentData);
 

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

@@ -0,0 +1,170 @@
+package org.mifosplatform.portfolio.loanaccount.api;
+
+import java.util.Collection;
+import java.util.Set;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+
+import org.apache.commons.lang.StringUtils;
+import org.mifosplatform.infrastructure.core.api.ApiParameterHelper;
+import org.mifosplatform.infrastructure.core.api.PortfolioApiDataConversionService;
+import org.mifosplatform.infrastructure.core.api.PortfolioApiJsonSerializerService;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.infrastructure.core.exception.UnrecognizedQueryParamException;
+import org.mifosplatform.infrastructure.core.serialization.DefaultToApiJsonSerializer;
+import org.mifosplatform.infrastructure.security.service.PlatformSecurityContext;
+import org.mifosplatform.portfolio.charge.data.ChargeData;
+import org.mifosplatform.portfolio.charge.service.ChargeReadPlatformService;
+import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
+import org.mifosplatform.portfolio.loanaccount.data.LoanAccountData;
+import org.mifosplatform.portfolio.loanaccount.data.LoanChargeData;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Component;
+
+@Path("/loans/{loanId}/charges")
+@Component
+@Scope("singleton")
+public class LoanChargesApiResource {
+
+    private final PlatformSecurityContext context;
+    private final LoanWritePlatformService loanWritePlatformService;
+    private final ChargeReadPlatformService chargeReadPlatformService;
+    private final PortfolioApiJsonSerializerService apiJsonSerializerService;
+    private final PortfolioApiDataConversionService apiDataConversionService;
+    private final DefaultToApiJsonSerializer<LoanAccountData> toApiJsonSerializer;
+//    private final ApiRequestParameterHelper apiRequestParameterHelper;
+//    private final FromJsonHelper fromJsonHelper;
+//    private final PortfolioCommandSourceWritePlatformService commandsSourceWritePlatformService;
+
+    @Autowired
+    public LoanChargesApiResource(final PlatformSecurityContext context, final LoanWritePlatformService loanWritePlatformService,
+            final ChargeReadPlatformService chargeReadPlatformService,
+            final DefaultToApiJsonSerializer<LoanAccountData> toApiJsonSerializer,
+//            final ApiRequestParameterHelper apiRequestParameterHelper, 
+            final PortfolioApiJsonSerializerService apiJsonSerializerService,
+            final PortfolioApiDataConversionService apiDataConversionService
+    // , final FromJsonHelper fromJsonHelper,
+    // final PortfolioCommandSourceWritePlatformService
+    // commandsSourceWritePlatformService
+            ) {
+        this.context = context;
+        this.loanWritePlatformService = loanWritePlatformService;
+        this.chargeReadPlatformService = chargeReadPlatformService;
+        this.toApiJsonSerializer = toApiJsonSerializer;
+//        this.apiRequestParameterHelper = apiRequestParameterHelper;
+        this.apiJsonSerializerService = apiJsonSerializerService;
+        this.apiDataConversionService = apiDataConversionService;
+//        this.fromJsonHelper = fromJsonHelper;
+//        this.commandsSourceWritePlatformService = commandsSourceWritePlatformService;
+    }
+
+    private boolean is(final String commandParam, final String commandValue) {
+        return StringUtils.isNotBlank(commandParam) && commandParam.trim().equalsIgnoreCase(commandValue);
+    }
+
+    @POST
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public Response addLoanCharge(@PathParam("loanId") final Long loanId, final String jsonRequestBody) {
+
+        final LoanChargeCommand command = this.apiDataConversionService.convertJsonToLoanChargeCommand(null, loanId, jsonRequestBody);
+
+        final EntityIdentifier identifier = this.loanWritePlatformService.addLoanCharge(command);
+
+        return Response.ok().entity(identifier).build();
+    }
+
+    @GET
+    @Path("template")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String retrieveNewLoanChargeDetails(@Context final UriInfo uriInfo) {
+
+        context.authenticatedUser().validateHasReadPermission("LOAN");
+
+        final Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+        final boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+
+        final boolean feeChargesOnly = false;
+        final Collection<ChargeData> chargeOptions = this.chargeReadPlatformService.retrieveLoanApplicableCharges(feeChargesOnly);
+        final LoanChargeData loanChargeTemplate = LoanChargeData.template(chargeOptions);
+
+        return this.apiJsonSerializerService.serializeLoanChargeDataToJson(prettyPrint, responseParameters, loanChargeTemplate);
+    }
+
+    @GET
+    @Path("{chargeId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String retrieveLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
+            @Context final UriInfo uriInfo) {
+
+        context.authenticatedUser().validateHasReadPermission("LOAN");
+
+        final Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+        final boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+
+        final LoanChargeData loanCharge = this.chargeReadPlatformService.retrieveLoanChargeDetails(loanChargeId, loanId);
+
+        return this.apiJsonSerializerService.serializeLoanChargeDataToJson(prettyPrint, responseParameters, loanCharge);
+    }
+
+    @PUT
+    @Path("{chargeId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String updateLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
+            final String jsonRequestBody) {
+
+        final LoanChargeCommand command = this.apiDataConversionService.convertJsonToLoanChargeCommand(loanChargeId, loanId,
+                jsonRequestBody);
+
+        final EntityIdentifier identifier = this.loanWritePlatformService.updateLoanCharge(command);
+
+        return this.toApiJsonSerializer.serialize(identifier);
+    }
+
+    @POST
+    @Path("{chargeId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String waiveLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
+            @QueryParam("command") final String commandParam) {
+
+        final LoanChargeCommand command = LoanChargeCommand.forWaiver(loanChargeId, loanId);
+
+        String json = "";
+        if (is(commandParam, "waive")) {
+            final EntityIdentifier identifier = this.loanWritePlatformService.waiveLoanCharge(command);
+            json = this.toApiJsonSerializer.serialize(identifier);
+        } else {
+            throw new UnrecognizedQueryParamException("command", commandParam);
+        }
+
+        return json;
+    }
+
+    @DELETE
+    @Path("{chargeId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String deleteLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId) {
+
+        final EntityIdentifier identifier = this.loanWritePlatformService.deleteLoanCharge(loanId, loanChargeId);
+        return this.toApiJsonSerializer.serialize(identifier);
+    }
+}

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

@@ -0,0 +1,150 @@
+package org.mifosplatform.portfolio.loanaccount.api;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.UriInfo;
+
+import org.apache.commons.lang.StringUtils;
+import org.mifosplatform.commands.service.PortfolioCommandSourceWritePlatformService;
+import org.mifosplatform.infrastructure.core.api.ApiRequestParameterHelper;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.infrastructure.core.exception.UnrecognizedQueryParamException;
+import org.mifosplatform.infrastructure.core.serialization.ApiRequestJsonSerializationSettings;
+import org.mifosplatform.infrastructure.core.serialization.DefaultToApiJsonSerializer;
+import org.mifosplatform.infrastructure.security.service.PlatformSecurityContext;
+import org.mifosplatform.portfolio.loanaccount.data.LoanTransactionData;
+import org.mifosplatform.portfolio.loanaccount.service.LoanReadPlatformService;
+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: - repayments before disbursement date allowed
+
+@Path("/loans/{loanId}/transactions")
+@Component
+@Scope("singleton")
+public class LoanTransactionsApiResource {
+
+    private final Set<String> RESPONSE_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("id", "type", "date", "currency", "amount"));
+
+    private final String resourceNameForPermissions = "LOAN";
+
+    private final PlatformSecurityContext context;
+    private final LoanReadPlatformService loanReadPlatformService;
+    private final ApiRequestParameterHelper apiRequestParameterHelper;
+    private final DefaultToApiJsonSerializer<LoanTransactionData> toApiJsonSerializer;
+    private final PortfolioCommandSourceWritePlatformService commandsSourceWritePlatformService;
+
+    @Autowired
+    public LoanTransactionsApiResource(final PlatformSecurityContext context, final LoanReadPlatformService loanReadPlatformService,
+            final ApiRequestParameterHelper apiRequestParameterHelper,
+            final DefaultToApiJsonSerializer<LoanTransactionData> toApiJsonSerializer,
+            final PortfolioCommandSourceWritePlatformService commandsSourceWritePlatformService) {
+        this.context = context;
+        this.loanReadPlatformService = loanReadPlatformService;
+        this.apiRequestParameterHelper = apiRequestParameterHelper;
+        this.toApiJsonSerializer = toApiJsonSerializer;
+        this.commandsSourceWritePlatformService = commandsSourceWritePlatformService;
+    }
+
+    private boolean is(final String commandParam, final String commandValue) {
+        return StringUtils.isNotBlank(commandParam) && commandParam.trim().equalsIgnoreCase(commandValue);
+    }
+
+    @GET
+    @Path("template")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String retrieveTransactionTemplate(@PathParam("loanId") final Long loanId, @QueryParam("command") final String commandParam,
+            @Context final UriInfo uriInfo) {
+
+        context.authenticatedUser().validateHasReadPermission(resourceNameForPermissions);
+
+        LoanTransactionData transactionData = null;
+        if (is(commandParam, "repayment")) {
+            transactionData = this.loanReadPlatformService.retrieveLoanTransactionTemplate(loanId);
+        } else if (is(commandParam, "waiveinterest")) {
+            transactionData = this.loanReadPlatformService.retrieveWaiveInterestDetails(loanId);
+        } else if (is(commandParam, "writeoff")) {
+            transactionData = this.loanReadPlatformService.retrieveNewClosureDetails();
+        } else if (is(commandParam, "close-rescheduled")) {
+            transactionData = this.loanReadPlatformService.retrieveNewClosureDetails();
+        } else if (is(commandParam, "close")) {
+            transactionData = this.loanReadPlatformService.retrieveNewClosureDetails();
+        } else {
+            throw new UnrecognizedQueryParamException("command", commandParam);
+        }
+
+        final ApiRequestJsonSerializationSettings settings = apiRequestParameterHelper.process(uriInfo.getQueryParameters());
+        return this.toApiJsonSerializer.serialize(settings, transactionData, RESPONSE_DATA_PARAMETERS);
+    }
+
+    @GET
+    @Path("{transactionId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String retrieveTransaction(@PathParam("loanId") final Long loanId, @PathParam("transactionId") final Long transactionId,
+            @Context final UriInfo uriInfo) {
+
+        context.authenticatedUser().validateHasReadPermission(resourceNameForPermissions);
+
+        final LoanTransactionData transactionData = this.loanReadPlatformService.retrieveLoanTransaction(loanId, transactionId);
+
+        final ApiRequestJsonSerializationSettings settings = apiRequestParameterHelper.process(uriInfo.getQueryParameters());
+        return this.toApiJsonSerializer.serialize(settings, transactionData, RESPONSE_DATA_PARAMETERS);
+    }
+
+    @POST
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String executeLoanTransaction(@PathParam("loanId") final Long loanId, @QueryParam("command") final String commandParam,
+            final String apiRequestBodyAsJson) {
+
+        EntityIdentifier result = null;
+        if (is(commandParam, "repayment")) {
+            result = this.commandsSourceWritePlatformService.logCommandSource("REPAYMENT", "LOAN", "N/A", "loans", loanId, "transactions",
+                    null, apiRequestBodyAsJson);
+        } else if (is(commandParam, "waiveinterest")) {
+            result = this.commandsSourceWritePlatformService.logCommandSource("WAIVEINTERESTPORTION", "LOAN", "N/A", "loans", loanId,
+                    "transactions", null, apiRequestBodyAsJson);
+        } else if (is(commandParam, "writeoff")) {
+            result = this.commandsSourceWritePlatformService.logCommandSource("WRITEOFF", "LOAN", "N/A", "loans", loanId, "transactions",
+                    null, apiRequestBodyAsJson);
+        } else if (is(commandParam, "close-rescheduled")) {
+            result = this.commandsSourceWritePlatformService.logCommandSource("CLOSEASRESCHEDULED", "LOAN", "N/A", "loans", loanId,
+                    "transactions", null, apiRequestBodyAsJson);
+        } else if (is(commandParam, "close")) {
+            result = this.commandsSourceWritePlatformService
+                    .logCommandSource("CLOSE", "LOAN", "N/A", "loans", loanId, apiRequestBodyAsJson);
+        }
+
+        if (result == null) { throw new UnrecognizedQueryParamException("command", commandParam); }
+
+        return this.toApiJsonSerializer.serialize(result);
+    }
+
+    @POST
+    @Path("{transactionId}")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String adjustLoanTransaction(@PathParam("loanId") final Long loanId, @PathParam("transactionId") final Long transactionId,
+            final String apiRequestBodyAsJson) {
+
+        final EntityIdentifier result = this.commandsSourceWritePlatformService.logCommandSource("ADJUST", "LOAN", "N/A", "loans", loanId,
+                "transactions", transactionId, apiRequestBodyAsJson);
+
+        return this.toApiJsonSerializer.serialize(result);
+    }
+}

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

@@ -47,9 +47,6 @@ import org.mifosplatform.portfolio.charge.data.ChargeData;
 import org.mifosplatform.portfolio.charge.service.ChargeReadPlatformService;
 import org.mifosplatform.portfolio.fund.data.FundData;
 import org.mifosplatform.portfolio.fund.service.FundReadPlatformService;
-import org.mifosplatform.portfolio.loanaccount.command.AdjustLoanTransactionCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.data.DisbursementData;
 import org.mifosplatform.portfolio.loanaccount.data.LoanAccountData;
 import org.mifosplatform.portfolio.loanaccount.data.LoanBasicDetailsData;
@@ -412,188 +409,6 @@ public class LoansApiResource {
         return StringUtils.isNotBlank(commandParam) && commandParam.trim().equalsIgnoreCase(commandValue);
     }
 
-    @POST
-    @Path("{loanId}/transactions")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public Response executeLoanTransaction(@PathParam("loanId") final Long loanId, @QueryParam("command") final String commandParam,
-            final String jsonRequestBody) {
-
-        final LoanTransactionCommand command = this.apiDataConversionService.convertJsonToLoanTransactionCommand(loanId, jsonRequestBody);
-
-        EntityIdentifier identifier = null;
-        if (is(commandParam, "repayment")) {
-            identifier = this.loanWritePlatformService.makeLoanRepayment(command);
-        } else if (is(commandParam, "waiveinterest")) {
-            identifier = this.loanWritePlatformService.waiveInterestOnLoan(command);
-        } else if (is(commandParam, "writeoff")) {
-            identifier = this.loanWritePlatformService.writeOff(command);
-        } else if (is(commandParam, "close-rescheduled")) {
-            identifier = this.loanWritePlatformService.closeAsRescheduled(command);
-        } else if (is(commandParam, "close")) {
-            identifier = this.loanWritePlatformService.closeLoan(command);
-        }
-
-        if (identifier == null) { throw new UnrecognizedQueryParamException("command", commandParam); }
-
-        return Response.ok().entity(identifier).build();
-    }
-
-    @GET
-    @Path("{loanId}/transactions/template")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String retrieveNewRepaymentDetails(@PathParam("loanId") final Long loanId, @QueryParam("command") final String commandParam,
-            @Context final UriInfo uriInfo) {
-
-        context.authenticatedUser().validateHasReadPermission("LOAN");
-
-        final Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
-        final boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
-
-        LoanTransactionData transactionData = null;
-        if (is(commandParam, "repayment")) {
-            transactionData = this.loanReadPlatformService.retrieveNewLoanRepaymentDetails(loanId);
-        } else if (is(commandParam, "waiveinterest")) {
-            transactionData = this.loanReadPlatformService.retrieveNewLoanWaiveInterestDetails(loanId);
-        } else if (is(commandParam, "writeoff")) {
-            transactionData = this.loanReadPlatformService.retrieveNewClosureDetails();
-        } else if (is(commandParam, "close-rescheduled")) {
-            transactionData = this.loanReadPlatformService.retrieveNewClosureDetails();
-        } else if (is(commandParam, "close")) {
-            transactionData = this.loanReadPlatformService.retrieveNewClosureDetails();
-        } else {
-            throw new UnrecognizedQueryParamException("command", commandParam);
-        }
-
-        return this.apiJsonSerializerService.serializeLoanTransactionDataToJson(prettyPrint, responseParameters, transactionData);
-    }
-
-    @GET
-    @Path("{loanId}/transactions/{transactionId}")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String retrieveTransaction(@PathParam("loanId") final Long loanId, @PathParam("transactionId") final Long transactionId,
-            @Context final UriInfo uriInfo) {
-
-        context.authenticatedUser().validateHasReadPermission("LOAN");
-
-        final Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
-        final boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
-
-        final LoanTransactionData transactionData = this.loanReadPlatformService.retrieveLoanTransactionDetails(loanId, transactionId);
-
-        return this.apiJsonSerializerService.serializeLoanTransactionDataToJson(prettyPrint, responseParameters, transactionData);
-    }
-
-    @POST
-    @Path("{loanId}/transactions/{transactionId}")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public Response adjustLoanTransaction(@PathParam("loanId") final Long loanId, @PathParam("transactionId") final Long transactionId,
-            final String jsonRequestBody) {
-
-        final AdjustLoanTransactionCommand command = this.apiDataConversionService.convertJsonToAdjustLoanTransactionCommand(loanId,
-                transactionId, jsonRequestBody);
-
-        EntityIdentifier identifier = this.loanWritePlatformService.adjustLoanTransaction(command);
-
-        return Response.ok().entity(identifier).build();
-    }
-
-    @POST
-    @Path("{loanId}/charges")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public Response addLoanCharge(@PathParam("loanId") final Long loanId, final String jsonRequestBody) {
-
-        final LoanChargeCommand command = this.apiDataConversionService.convertJsonToLoanChargeCommand(null, loanId, jsonRequestBody);
-
-        final EntityIdentifier identifier = this.loanWritePlatformService.addLoanCharge(command);
-
-        return Response.ok().entity(identifier).build();
-    }
-
-    @GET
-    @Path("{loanId}/charges/template")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String retrieveNewLoanChargeDetails(@Context final UriInfo uriInfo) {
-
-        context.authenticatedUser().validateHasReadPermission("LOAN");
-
-        final Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
-        final boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
-
-        final boolean feeChargesOnly = false;
-        final Collection<ChargeData> chargeOptions = this.chargeReadPlatformService.retrieveLoanApplicableCharges(feeChargesOnly);
-        final LoanChargeData loanChargeTemplate = LoanChargeData.template(chargeOptions);
-
-        return this.apiJsonSerializerService.serializeLoanChargeDataToJson(prettyPrint, responseParameters, loanChargeTemplate);
-    }
-
-    @GET
-    @Path("{loanId}/charges/{chargeId}")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String retrieveLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
-            @Context final UriInfo uriInfo) {
-
-        context.authenticatedUser().validateHasReadPermission("LOAN");
-
-        final Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
-        final boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
-
-        final LoanChargeData loanCharge = this.chargeReadPlatformService.retrieveLoanChargeDetails(loanChargeId, loanId);
-
-        return this.apiJsonSerializerService.serializeLoanChargeDataToJson(prettyPrint, responseParameters, loanCharge);
-    }
-
-    @PUT
-    @Path("{loanId}/charges/{chargeId}")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String updateLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
-            final String jsonRequestBody) {
-
-        final LoanChargeCommand command = this.apiDataConversionService.convertJsonToLoanChargeCommand(loanChargeId, loanId,
-                jsonRequestBody);
-
-        final EntityIdentifier identifier = this.loanWritePlatformService.updateLoanCharge(command);
-
-        return this.toApiJsonSerializer.serialize(identifier);
-    }
-
-    @POST
-    @Path("{loanId}/charges/{chargeId}")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String waiveLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
-            @QueryParam("command") final String commandParam) {
-
-        final LoanChargeCommand command = LoanChargeCommand.forWaiver(loanChargeId, loanId);
-
-        String json = "";
-        if (is(commandParam, "waive")) {
-            final EntityIdentifier identifier = this.loanWritePlatformService.waiveLoanCharge(command);
-            json = this.toApiJsonSerializer.serialize(identifier);
-        } else {
-            throw new UnrecognizedQueryParamException("command", commandParam);
-        }
-
-        return json;
-    }
-
-    @DELETE
-    @Path("{loanId}/charges/{chargeId}")
-    @Consumes({ MediaType.APPLICATION_JSON })
-    @Produces({ MediaType.APPLICATION_JSON })
-    public String deleteLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId) {
-
-        final EntityIdentifier identifier = this.loanWritePlatformService.deleteLoanCharge(loanId, loanChargeId);
-        return this.toApiJsonSerializer.serialize(identifier);
-    }
-
     @POST
     @Path("{loanId}/assign")
     @Consumes({ MediaType.APPLICATION_JSON })

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

@@ -1,47 +0,0 @@
-package org.mifosplatform.portfolio.loanaccount.command;
-
-import java.math.BigDecimal;
-
-import org.joda.time.LocalDate;
-
-/**
- * Immutable command for adjusting loan transactions.
- */
-public class AdjustLoanTransactionCommand {
-
-	private final Long loanId;
-	private final Long transactionId;
-	private final LocalDate transactionDate;
-	private final BigDecimal transactionAmount;
-	private final String note;
-	
-	public AdjustLoanTransactionCommand(final Long loanId, final Long transactionId,
-			final LocalDate transactionLocalDate, final String note,
-			final BigDecimal transactionAmountValue) {
-		this.loanId = loanId;
-		this.transactionId = transactionId;
-		this.transactionDate = transactionLocalDate;
-		this.transactionAmount = transactionAmountValue;
-		this.note = note;
-	}
-
-	public Long getLoanId() {
-		return loanId;
-	}
-
-	public Long getTransactionId() {
-		return transactionId;
-	}
-
-	public LocalDate getTransactionDate() {
-		return transactionDate;
-	}
-
-	public BigDecimal getTransactionAmount() {
-		return transactionAmount;
-	}
-
-	public String getNote() {
-		return note;
-	}
-}

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

@@ -1,34 +0,0 @@
-package org.mifosplatform.portfolio.loanaccount.command;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.mifosplatform.infrastructure.core.data.ApiParameterError;
-import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
-import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
-
-public class AdjustLoanTransactionCommandValidator {
-
-	private final AdjustLoanTransactionCommand command;
-
-	public AdjustLoanTransactionCommandValidator(AdjustLoanTransactionCommand command) {
-		this.command = command;
-	}
-
-	public void validate() {
-		
-		List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
-		
-		DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
-		
-		baseDataValidator.reset().parameter("loanId").value(command.getLoanId()).notNull().integerGreaterThanZero();
-		baseDataValidator.reset().parameter("transactionId").value(command.getTransactionId()).notNull().integerGreaterThanZero();
-		baseDataValidator.reset().parameter("transactionDate").value(command.getTransactionDate()).notNull();
-		baseDataValidator.reset().parameter("transactionAmount").value(command.getTransactionAmount()).notNull().zeroOrPositiveAmount();
-		baseDataValidator.reset().parameter("note").value(command.getNote()).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/command/LoanChargeCommand.java

@@ -9,7 +9,7 @@ import org.joda.time.LocalDate;
 /**
  * Immutable command for creating and updating loan charges.
  */
-public class LoanChargeCommand {
+public class LoanChargeCommand implements Comparable<LoanChargeCommand> {
 
     private final Long id;
     private final Long chargeId;
@@ -43,6 +43,15 @@ public class LoanChargeCommand {
         this.chargeCalculationType = chargeCalculationType;
         this.specifiedDueDate = specifiedDueDate;
     }
+    
+    @Override
+    public int compareTo(final LoanChargeCommand o) {
+        int comparison = this.chargeId.compareTo(o.chargeId);
+        if (comparison == 0) {
+            comparison = this.amount.compareTo(o.amount);
+        }
+        return comparison;
+    }
 
     public Long getId() {
         return id;

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

@@ -1,39 +1,52 @@
 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 Long loanId;
-	private final LocalDate transactionDate;
-	private final BigDecimal transactionAmount;
-	private final String note;
+    private final LocalDate transactionDate;
+    private final BigDecimal transactionAmount;
+    private final String note;
 
-	public LoanTransactionCommand(final Long loanId, final LocalDate paymentDate, final BigDecimal paymentAmount,final String note) {
-		this.loanId = loanId;
-		this.transactionDate = paymentDate;
-		this.transactionAmount = paymentAmount;
-		this.note = note;
-	}
+    public LoanTransactionCommand(final LocalDate paymentDate, final BigDecimal paymentAmount, final String note) {
+        this.transactionDate = paymentDate;
+        this.transactionAmount = paymentAmount;
+        this.note = note;
+    }
 
-	public Long getLoanId() {
-		return loanId;
-	}
+    public void validate() {
 
-	public LocalDate getTransactionDate() {
-		return transactionDate;
-	}
+        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
 
-	public BigDecimal getTransactionAmount() {
-		return transactionAmount;
-	}
+        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
 
-	public String getNote() {
-		return note;
-	}
+        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/command/LoanTransactionCommandValidator.java

@@ -1,47 +0,0 @@
-package org.mifosplatform.portfolio.loanaccount.command;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.mifosplatform.infrastructure.core.data.ApiParameterError;
-import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
-import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
-
-public class LoanTransactionCommandValidator {
-
-	private final LoanTransactionCommand command;
-
-	public LoanTransactionCommandValidator(final LoanTransactionCommand command) {
-		this.command = command;
-	}
-
-	public void validate() {
-		
-		List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
-		
-		DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.transaction");
-		
-		baseDataValidator.reset().parameter("loanId").value(command.getLoanId()).notNull().integerGreaterThanZero();
-		baseDataValidator.reset().parameter("transactionDate").value(command.getTransactionDate()).notNull();
-		baseDataValidator.reset().parameter("transactionAmount").value(command.getTransactionAmount()).notNull().positiveAmount();
-		baseDataValidator.reset().parameter("note").value(command.getNote()).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("loanId").value(command.getLoanId()).notNull().integerGreaterThanZero();
-		baseDataValidator.reset().parameter("transactionDate").value(command.getTransactionDate()).notNull();
-		baseDataValidator.reset().parameter("note").value(command.getNote()).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/Loan.java

@@ -850,13 +850,10 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
             approvedOn = command.localDateValueOfParameterNamed("eventDate");
         }
 
-        final Locale locale = new Locale(command.locale());
-        final DateTimeFormatter fmt = DateTimeFormat.forPattern(command.dateFormat()).withLocale(locale);
-
         this.approvedOnDate = approvedOn.toDate();
         actualChanges.put("locale", command.locale());
         actualChanges.put("dateFormat", command.dateFormat());
-        actualChanges.put("approvedOnDate", approvedOn.toString(fmt));
+        actualChanges.put("approvedOnDate", command.stringValueOfParameterNamed("approvedOnDate"));
 
         final LocalDate submittalDate = new LocalDate(this.submittedOnDate);
         if (approvedOn.isBefore(submittalDate)) {
@@ -901,7 +898,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
     private void disburse(final LocalDate expectedDisbursedOnLocalDate) {
         this.disbursedOnDate = expectedDisbursedOnLocalDate.toDate();
         this.expectedMaturityDate = determineExpectedMaturityDate().toDate();
-                
+
         handleDisbursementTransaction(expectedDisbursedOnLocalDate);
     }
 
@@ -928,7 +925,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
 
         this.disbursedOnDate = disbursedOn.toDate();
         this.expectedMaturityDate = determineExpectedMaturityDate().toDate();
-                
+
         actualChanges.put("locale", command.locale());
         actualChanges.put("dateFormat", command.dateFormat());
         actualChanges.put("disbursedOnDate", disbursedOn.toString(fmt));
@@ -1059,21 +1056,12 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         wrapper.reprocess(getCurrency(), getDisbursementDate(), this.repaymentScheduleInstallments, this.charges);
     }
 
-    /**
-     * 
-     * @param amount
-     *            The amount of interest to be waived.
-     * @param transactionDate
-     *            The date on which the interest waiver is to be processed
-     *            against.
-     * @param defaultLoanLifecycleStateMachine
-     * 
-     * @return {@link LoanTransaction} details of executed transaction
-     */
-    public LoanTransaction waiveInterest(final BigDecimal amount, final LocalDate transactionDate,
-            final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public LoanTransaction waiveInterest(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine) {
 
-        final Money amountToWaive = Money.of(loanCurrency(), amount);
+        final LocalDate transactionDate = command.localDateValueOfParameterNamed("transactionDate");
+        final BigDecimal transactionAmount = command.bigDecimalValueOfParameterNamed("transactionAmount");
+
+        final Money amountToWaive = Money.of(loanCurrency(), transactionAmount);
         final LoanTransaction waiveInterestTransaction = LoanTransaction.waiver(this, amountToWaive, transactionDate);
 
         handleRepaymentOrWaiverTransaction(waiveInterestTransaction, loanLifecycleStateMachine, null);
@@ -1081,8 +1069,15 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return waiveInterestTransaction;
     }
 
-    public void makeRepayment(final LoanTransaction loanTransaction, final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public LoanTransaction makeRepayment(final LocalDate transactionDate, final BigDecimal transactionAmount,
+            final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+
+        final Money repayment = Money.of(loanCurrency(), transactionAmount);
+        final LoanTransaction loanTransaction = LoanTransaction.repayment(repayment, transactionDate);
+
         handleRepaymentOrWaiverTransaction(loanTransaction, loanLifecycleStateMachine, null);
+
+        return loanTransaction;
     }
 
     private void handleRepaymentOrWaiverTransaction(final LoanTransaction loanTransaction,
@@ -1286,8 +1281,14 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return LoanTransaction.waiver(this, possibleInterestToWaive, transactionDate);
     }
 
-    public void adjustExistingTransaction(final LoanTransaction transactionForAdjustment, final LoanTransaction newTransactionDetail,
-            final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public LoanTransaction adjustExistingTransaction(final LocalDate transactionDate, final BigDecimal transactionAmountValue,
+            final LoanLifecycleStateMachine loanLifecycleStateMachine, final LoanTransaction transactionForAdjustment) {
+
+        final Money transactionAmount = Money.of(loanCurrency(), transactionAmountValue);
+        LoanTransaction newTransactionDetail = LoanTransaction.repayment(transactionAmount, transactionDate);
+        if (transactionForAdjustment.isInterestWaiver()) {
+            newTransactionDetail = LoanTransaction.waiver(this, transactionAmount, transactionDate);
+        }
 
         if (transactionForAdjustment.isNotRepayment() && transactionForAdjustment.isNotWaiver()) {
             final String errorMessage = "Only transactions of type repayment or waiver can be adjusted.";
@@ -1304,6 +1305,8 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         if (newTransactionDetail.isRepayment() || newTransactionDetail.isInterestWaiver()) {
             handleRepaymentOrWaiverTransaction(newTransactionDetail, loanLifecycleStateMachine, transactionForAdjustment);
         }
+
+        return newTransactionDetail;
     }
 
     private boolean isRepaidInFull() {
@@ -1365,16 +1368,21 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return this.loanRepaymentScheduleDetail.getCurrency();
     }
 
-    public LoanTransaction closeAsWrittenOff(final LocalDate writtenOffOnLocalDate,
-            final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public LoanTransaction closeAsWrittenOff(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
 
-        final LoanStatus statusEnum = loanLifecycleStateMachine.transition(LoanEvent.WRITE_OFF_OUTSTANDING,
-                LoanStatus.fromInt(this.loanStatus));
-        this.loanStatus = statusEnum.getValue();
+        final LoanStatus statusEnum = loanLifecycleStateMachine.transition(LoanEvent.WRITE_OFF_OUTSTANDING, LoanStatus.fromInt(this.loanStatus));
+        if (!statusEnum.hasStateOf(LoanStatus.fromInt(this.loanStatus))) {
+            this.loanStatus = statusEnum.getValue();
+            changes.put("status", LoanEnumerations.status(this.loanStatus));
+        }
+
+        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();
@@ -1404,7 +1412,12 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return loanTransaction;
     }
 
-    public LoanTransaction close(final LocalDate closureDate, final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public LoanTransaction close(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
+
+        final LocalDate closureDate = command.localDateValueOfParameterNamed("transactionDate");
+
+        this.closedOnDate = closureDate.toDate();
+        changes.put("closedOnDate", command.stringValueOfParameterNamed("transactionDate"));
 
         if (closureDate.isBefore(this.getDisbursementDate())) {
             final String errorMessage = "The date on which a loan is closed cannot be before the loan disbursement date: "
@@ -1424,7 +1437,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
             final Money outstanding = getTotalOutstanding();
             if (outstanding.isGreaterThanZero() && getInArrearsTolerance().isGreaterThanOrEqualTo(outstanding)) {
 
-                updateLoanForClosure(closureDate, loanLifecycleStateMachine);
+                updateLoanForClosure(closureDate, loanLifecycleStateMachine, changes);
 
                 loanTransaction = LoanTransaction.writeoff(this, closureDate);
                 boolean isLastTransaction = isChronologicallyLatestTransaction(loanTransaction, loanTransactions);
@@ -1454,7 +1467,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
             if (totalLoanOverpayment.isGreaterThanZero() && getInArrearsTolerance().isGreaterThanOrEqualTo(totalLoanOverpayment)) {
                 // TODO - technically should set somewhere that this loan has
                 // 'overpaid' amount
-                updateLoanForClosure(closureDate, loanLifecycleStateMachine);
+                updateLoanForClosure(closureDate, loanLifecycleStateMachine, changes);
             } else if (totalLoanOverpayment.isGreaterThanZero()) {
                 final String errorMessage = "The loan is marked as 'Overpaid' and cannot be moved to 'Closed (obligations met).";
                 throw new InvalidLoanStateTransitionException("close", "loan.is.overpaid", errorMessage, totalLoanOverpayment.toString());
@@ -1474,23 +1487,35 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return totalOutstanding;
     }
 
-    private void updateLoanForClosure(final LocalDate closureDate, final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    private void updateLoanForClosure(final LocalDate closureDate, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
+        
         final LoanStatus statusEnum = loanLifecycleStateMachine.transition(LoanEvent.REPAID_IN_FULL, LoanStatus.fromInt(this.loanStatus));
-        this.loanStatus = statusEnum.getValue();
+        if (!statusEnum.hasStateOf(LoanStatus.fromInt(this.loanStatus))) {
+            this.loanStatus = statusEnum.getValue();
+            changes.put("status", LoanEnumerations.status(this.loanStatus));
+        }
         this.closedOnDate = closureDate.toDate();
     }
 
     /**
      * Behaviour added to comply with capability of previous mifos product to
      * support easier transition to mifosx platform.
+     * @param changes 
      */
-    public void closeAsMarkedForReschedule(final LocalDate rescheduledOn, final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public void closeAsMarkedForReschedule(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
 
+        final LocalDate rescheduledOn = command.localDateValueOfParameterNamed("transactionDate");
+        
         final LoanStatus statusEnum = loanLifecycleStateMachine.transition(LoanEvent.LOAN_RESCHEDULE, LoanStatus.fromInt(this.loanStatus));
-        this.loanStatus = statusEnum.getValue();
+        if (!statusEnum.hasStateOf(LoanStatus.fromInt(this.loanStatus))) {
+            this.loanStatus = statusEnum.getValue();
+            changes.put("status", LoanEnumerations.status(this.loanStatus));
+        }
 
         this.closedOnDate = rescheduledOn.toDate();
         this.rescheduledOnDate = rescheduledOn.toDate();
+        changes.put("closedOnDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("rescheduledOnDate", command.stringValueOfParameterNamed("transactionDate"));
 
         LocalDate rescheduledOnLocalDate = new LocalDate(rescheduledOnDate);
         if (rescheduledOnLocalDate.isBefore(this.getDisbursementDate())) {

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

@@ -8,12 +8,13 @@ import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
 
 public interface LoanRepaymentScheduleTransactionProcessor {
 
-	void handleTransaction(LoanTransaction loanTransaction, MonetaryCurrency currency, List<LoanRepaymentScheduleInstallment> installments, Set<LoanCharge> charges);
+    void handleTransaction(LoanTransaction loanTransaction, MonetaryCurrency currency, List<LoanRepaymentScheduleInstallment> installments,
+            Set<LoanCharge> charges);
 
-	void handleTransaction(LocalDate disbursementDate, List<LoanTransaction> repaymentsOrWaivers, MonetaryCurrency currency, List<LoanRepaymentScheduleInstallment> repaymentScheduleInstallments, Set<LoanCharge> charges);
+    void handleTransaction(LocalDate disbursementDate, List<LoanTransaction> repaymentsOrWaivers, MonetaryCurrency currency,
+            List<LoanRepaymentScheduleInstallment> repaymentScheduleInstallments, Set<LoanCharge> charges);
 
-	void handleWriteOff(LoanTransaction loanTransaction,
-			MonetaryCurrency loanCurrency,
-			List<LoanRepaymentScheduleInstallment> repaymentScheduleInstallments);
+    void handleWriteOff(LoanTransaction loanTransaction, MonetaryCurrency loanCurrency,
+            List<LoanRepaymentScheduleInstallment> repaymentScheduleInstallments);
 
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/CloseLoanAsRescheduledCommandHandler.java

@@ -0,0 +1,27 @@
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class CloseLoanAsRescheduledCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public CloseLoanAsRescheduledCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.closeAsRescheduled(command.resourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/CloseLoanCommandHandler.java

@@ -0,0 +1,27 @@
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class CloseLoanCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public CloseLoanCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.closeLoan(command.resourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/LoanRepaymentAdjustmentCommandHandler.java

@@ -0,0 +1,27 @@
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class LoanRepaymentAdjustmentCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public LoanRepaymentAdjustmentCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.adjustLoanTransaction(command.resourceId(), command.subResourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/LoanRepaymentCommandHandler.java

@@ -0,0 +1,27 @@
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class LoanRepaymentCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public LoanRepaymentCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.makeLoanRepayment(command.resourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/WaiveInterestPortionOnLoanCommandHandler.java

@@ -0,0 +1,27 @@
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class WaiveInterestPortionOnLoanCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public WaiveInterestPortionOnLoanCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.waiveInterestOnLoan(command.resourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/WriteOffLoanCommandHandler.java

@@ -0,0 +1,27 @@
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class WriteOffLoanCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public WriteOffLoanCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.writeOff(command.resourceId(), command);
+    }
+}

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

@@ -0,0 +1,58 @@
+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/LoanReadPlatformService.java

@@ -12,25 +12,25 @@ import org.mifosplatform.portfolio.loanaccount.loanschedule.data.LoanScheduleDat
 
 public interface LoanReadPlatformService {
 
-	LoanBasicDetailsData retrieveLoanAccountDetails(Long loanId);
+    LoanBasicDetailsData retrieveLoanAccountDetails(Long loanId);
 
-	LoanScheduleData retrieveRepaymentSchedule(Long loanId, CurrencyData currency, DisbursementData disbursement, BigDecimal totalChargesAtDisbursement, BigDecimal inArrearsTolerance);
+    LoanScheduleData retrieveRepaymentSchedule(Long loanId, CurrencyData currency, DisbursementData disbursement,
+            BigDecimal totalChargesAtDisbursement, BigDecimal inArrearsTolerance);
 
-	Collection<LoanTransactionData> retrieveLoanTransactions(Long loanId);
+    Collection<LoanTransactionData> retrieveLoanTransactions(Long loanId);
 
-	LoanPermissionData retrieveLoanPermissions(
-			LoanBasicDetailsData loanBasicDetails, boolean isWaiverAllowed,
-			int repaymentAndWaiveCount, boolean existsGuarantor);
+    LoanPermissionData retrieveLoanPermissions(LoanBasicDetailsData loanBasicDetails, boolean isWaiverAllowed, int repaymentAndWaiveCount,
+            boolean existsGuarantor);
 
-	LoanBasicDetailsData retrieveClientAndProductDetails(Long clientId, Long productId);
+    LoanBasicDetailsData retrieveClientAndProductDetails(Long clientId, Long productId);
 
     LoanBasicDetailsData retrieveGroupAndProductDetails(Long groupId, Long productId);
 
-    LoanTransactionData retrieveNewLoanRepaymentDetails(Long loanId);
+    LoanTransactionData retrieveLoanTransactionTemplate(Long loanId);
 
-	LoanTransactionData retrieveNewLoanWaiveInterestDetails(Long loanId);
+    LoanTransactionData retrieveWaiveInterestDetails(Long loanId);
 
-	LoanTransactionData retrieveLoanTransactionDetails(Long loanId, Long transactionId);
+    LoanTransactionData retrieveLoanTransaction(Long loanId, Long transactionId);
 
-	LoanTransactionData retrieveNewClosureDetails();
+    LoanTransactionData retrieveNewClosureDetails();
 }

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

@@ -3,9 +3,7 @@ package org.mifosplatform.portfolio.loanaccount.service;
 import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.infrastructure.core.data.EntityIdentifier;
 import org.mifosplatform.organisation.staff.command.BulkTransferLoanOfficerCommand;
-import org.mifosplatform.portfolio.loanaccount.command.AdjustLoanTransactionCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
 import org.springframework.security.access.prepost.PreAuthorize;
 
 public interface LoanWritePlatformService {
@@ -26,25 +24,19 @@ public interface LoanWritePlatformService {
 
     EntityIdentifier disburseLoan(Long loanId, JsonCommand command);
 
-    public EntityIdentifier undoLoanDisbursal(Long loanId, JsonCommand command);
+    EntityIdentifier undoLoanDisbursal(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'REPAYMENT_LOAN', 'REPAYMENTINPAST_LOAN')")
-    public EntityIdentifier makeLoanRepayment(LoanTransactionCommand command);
+    EntityIdentifier makeLoanRepayment(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'ADJUST_LOAN')")
-    EntityIdentifier adjustLoanTransaction(AdjustLoanTransactionCommand command);
+    EntityIdentifier adjustLoanTransaction(Long loanId, Long transactionId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'WAIVEINTERESTPORTION_LOAN')")
-    EntityIdentifier waiveInterestOnLoan(LoanTransactionCommand command);
+    EntityIdentifier waiveInterestOnLoan(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'WRITEOFF_LOAN')")
-    EntityIdentifier writeOff(LoanTransactionCommand command);
+    EntityIdentifier writeOff(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'CLOSE_LOAN')")
-    EntityIdentifier closeLoan(LoanTransactionCommand command);
+    EntityIdentifier closeLoan(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'CLOSEASRESCHEDULED_LOAN')")
-    EntityIdentifier closeAsRescheduled(LoanTransactionCommand command);
+    EntityIdentifier closeAsRescheduled(Long loanId, JsonCommand command);
 
     @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'CREATE_LOANCHARGE')")
     EntityIdentifier addLoanCharge(LoanChargeCommand command);

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

@@ -1,6 +1,8 @@
 package org.mifosplatform.portfolio.loanaccount.service;
 
+import java.math.BigDecimal;
 import java.util.Arrays;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -15,8 +17,6 @@ import org.mifosplatform.infrastructure.security.exception.NoAuthorizationExcept
 import org.mifosplatform.infrastructure.security.service.PlatformSecurityContext;
 import org.mifosplatform.organisation.monetary.domain.ApplicationCurrency;
 import org.mifosplatform.organisation.monetary.domain.ApplicationCurrencyRepository;
-import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
-import org.mifosplatform.organisation.monetary.domain.Money;
 import org.mifosplatform.organisation.staff.command.BulkTransferLoanOfficerCommand;
 import org.mifosplatform.organisation.staff.command.BulkTransferLoanOfficerCommandValidator;
 import org.mifosplatform.organisation.staff.domain.Staff;
@@ -31,14 +31,11 @@ import org.mifosplatform.portfolio.client.domain.Note;
 import org.mifosplatform.portfolio.client.domain.NoteRepository;
 import org.mifosplatform.portfolio.client.exception.ClientNotFoundException;
 import org.mifosplatform.portfolio.fund.domain.Fund;
-import org.mifosplatform.portfolio.loanaccount.command.AdjustLoanTransactionCommand;
-import org.mifosplatform.portfolio.loanaccount.command.AdjustLoanTransactionCommandValidator;
 import org.mifosplatform.portfolio.loanaccount.command.LoanApplicationCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanChargeCommandValidator;
 import org.mifosplatform.portfolio.loanaccount.command.LoanStateTransitionCommand;
 import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommand;
-import org.mifosplatform.portfolio.loanaccount.command.LoanTransactionCommandValidator;
 import org.mifosplatform.portfolio.loanaccount.domain.DefaultLoanLifecycleStateMachine;
 import org.mifosplatform.portfolio.loanaccount.domain.Loan;
 import org.mifosplatform.portfolio.loanaccount.domain.LoanCharge;
@@ -59,6 +56,7 @@ import org.mifosplatform.portfolio.loanaccount.loanschedule.service.LoanSchedule
 import org.mifosplatform.portfolio.loanaccount.serialization.CalculateLoanScheduleQueryFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanStateTransitionCommandFromApiJsonDeserializer;
+import org.mifosplatform.portfolio.loanaccount.serialization.LoanTransactionCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanProduct;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanProductRepository;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanTransactionProcessingStrategy;
@@ -79,6 +77,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     private final LoanApplicationCommandFromApiJsonDeserializer fromApiJsonDeserializer;
     private final CalculateLoanScheduleQueryFromApiJsonDeserializer calculateLoanScheduleQueryFromApiJsonDeserializer;
     private final LoanStateTransitionCommandFromApiJsonDeserializer loanStateTransitionCommandFromApiJsonDeserializer;
+    private final LoanTransactionCommandFromApiJsonDeserializer loanTransactionCommandFromApiJsonDeserializer;
     private final LoanRepository loanRepository;
     private final NoteRepository noteRepository;
     private final LoanScheduleCalculationPlatformService calculationPlatformService;
@@ -96,6 +95,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     public LoanWritePlatformServiceJpaRepositoryImpl(final PlatformSecurityContext context, final FromJsonHelper fromJsonHelper,
             final LoanApplicationCommandFromApiJsonDeserializer fromApiJsonDeserializer,
             final LoanStateTransitionCommandFromApiJsonDeserializer loanStateTransitionCommandFromApiJsonDeserializer,
+            final LoanTransactionCommandFromApiJsonDeserializer loanTransactionCommandFromApiJsonDeserializer,
             final CalculateLoanScheduleQueryFromApiJsonDeserializer calculateLoanScheduleQueryFromApiJsonDeserializer,
             final AprCalculator aprCalculator, final LoanAssembler loanAssembler, final LoanChargeAssembler loanChargeAssembler,
             final LoanRepository loanRepository, final LoanTransactionRepository loanTransactionRepository,
@@ -107,6 +107,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         this.fromJsonHelper = fromJsonHelper;
         this.fromApiJsonDeserializer = fromApiJsonDeserializer;
         this.loanStateTransitionCommandFromApiJsonDeserializer = loanStateTransitionCommandFromApiJsonDeserializer;
+        this.loanTransactionCommandFromApiJsonDeserializer = loanTransactionCommandFromApiJsonDeserializer;
         this.calculateLoanScheduleQueryFromApiJsonDeserializer = calculateLoanScheduleQueryFromApiJsonDeserializer;
         this.aprCalculator = aprCalculator;
         this.loanAssembler = loanAssembler;
@@ -412,179 +413,222 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
     @Transactional
     @Override
-    public EntityIdentifier makeLoanRepayment(final LoanTransactionCommand command) {
+    public EntityIdentifier makeLoanRepayment(final Long loanId, final JsonCommand command) {
 
-        AppUser currentUser = context.authenticatedUser();
+        final AppUser currentUser = context.authenticatedUser();
 
-        LoanTransactionCommandValidator validator = new LoanTransactionCommandValidator(command);
-        validator.validate();
+        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+                .json());
+        loanTransactionCommand.validate();
+        
+        final LocalDate transactionDate = command.localDateValueOfParameterNamed("transactionDate");
+        final BigDecimal transactionAmount = command.bigDecimalValueOfParameterNamed("transactionAmount");
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("transactionAmount", command.stringValueOfParameterNamed("transactionAmount"));
+        
+        final Loan loan = retrieveLoanBy(loanId);
 
-        Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
-
-        LocalDate transactionDate = command.getTransactionDate();
         if (this.isBeforeToday(transactionDate) && currentUser.canNotMakeRepaymentOnLoanInPast()) { throw new NoAuthorizationException(
                 "error.msg.no.permission.to.make.repayment.on.loan.in.past"); }
 
-        Money repayment = Money.of(loan.repaymentScheduleDetail().getPrincipal().getCurrency(), command.getTransactionAmount());
-
-        LoanTransaction loanRepayment = LoanTransaction.repayment(repayment, transactionDate);
-        loan.makeRepayment(loanRepayment, defaultLoanLifecycleStateMachine());
+        final LoanTransaction loanRepayment = loan.makeRepayment(transactionDate, transactionAmount, defaultLoanLifecycleStateMachine());
         this.loanTransactionRepository.save(loanRepayment);
         this.loanRepository.save(loan);
 
-        String noteText = command.getNote();
+        final String noteText = command.stringValueOfParameterNamed("note");
         if (StringUtils.isNotBlank(noteText)) {
+            changes.put("note", noteText);
             Note note = Note.loanTransactionNote(loan, loanRepayment, noteText);
             this.noteRepository.save(note);
         }
+        
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
-        return new EntityIdentifier(loan.getId());
+        return EntityIdentifier.subResourceResult(loanId, loanRepayment.getId(), command.commandId(), changes);
     }
 
     @Transactional
     @Override
-    public EntityIdentifier adjustLoanTransaction(final AdjustLoanTransactionCommand command) {
+    public EntityIdentifier adjustLoanTransaction(final Long loanId, final Long transactionId, final JsonCommand command) {
 
         context.authenticatedUser();
 
-        AdjustLoanTransactionCommandValidator validator = new AdjustLoanTransactionCommandValidator(command);
-        validator.validate();
+        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+                .json());
+        loanTransactionCommand.validate();
+        
+        final Loan loan = retrieveLoanBy(loanId);
 
-        Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
+        final LoanTransaction transactionToAdjust = this.loanTransactionRepository.findOne(transactionId);
+        if (transactionToAdjust == null) { throw new LoanTransactionNotFoundException(transactionId); }
 
-        LoanTransaction transactionToAdjust = this.loanTransactionRepository.findOne(command.getTransactionId());
-        if (transactionToAdjust == null) { throw new LoanTransactionNotFoundException(command.getTransactionId()); }
-
-        final MonetaryCurrency currency = loan.repaymentScheduleDetail().getPrincipal().getCurrency();
-        final Money transactionAmount = Money.of(currency, command.getTransactionAmount());
-
-        // adjustment is only supported for repayments and waivers at present
-        LocalDate transactionDate = command.getTransactionDate();
-        LoanTransaction newTransactionDetail = LoanTransaction.repayment(transactionAmount, transactionDate);
-        if (transactionToAdjust.isInterestWaiver()) {
-            newTransactionDetail = LoanTransaction.waiver(loan, transactionAmount, transactionDate);
-        }
-
-        loan.adjustExistingTransaction(transactionToAdjust, newTransactionDetail, defaultLoanLifecycleStateMachine());
-
-        if (newTransactionDetail.isGreaterThanZero(currency)) {
+        final LocalDate transactionDate = command.localDateValueOfParameterNamed("transactionDate");
+        final BigDecimal transactionAmount = command.bigDecimalValueOfParameterNamed("transactionAmount");
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("transactionAmount", command.stringValueOfParameterNamed("transactionAmount"));
+        
+        final LoanTransaction newTransactionDetail = loan.adjustExistingTransaction(transactionDate, transactionAmount, defaultLoanLifecycleStateMachine(),
+                transactionToAdjust);
+        if (newTransactionDetail.isGreaterThanZero(loan.getPrincpal().getCurrency())) {
             this.loanTransactionRepository.save(newTransactionDetail);
         }
 
         this.loanRepository.save(loan);
 
-        String noteText = command.getNote();
+        final String noteText = command.stringValueOfParameterNamed("note");
         if (StringUtils.isNotBlank(noteText)) {
+            changes.put("note", noteText);
             Note note = Note.loanTransactionNote(loan, newTransactionDetail, noteText);
             this.noteRepository.save(note);
         }
 
-        return new EntityIdentifier(loan.getId());
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
+        
+        return EntityIdentifier.subResourceResult(loanId, transactionId, command.commandId(), changes);
     }
 
     @Transactional
     @Override
-    public EntityIdentifier waiveInterestOnLoan(final LoanTransactionCommand command) {
+    public EntityIdentifier waiveInterestOnLoan(final Long loanId, final JsonCommand command) {
 
         context.authenticatedUser();
 
-        final LoanTransactionCommandValidator validator = new LoanTransactionCommandValidator(command);
-        validator.validate();
+        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+                .json());
+        loanTransactionCommand.validate();
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
+        changes.put("transactionAmount", command.stringValueOfParameterNamed("transactionAmount"));
 
-        final Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
+        final Loan loan = retrieveLoanBy(loanId);
 
-        final LoanTransaction waiveTransaction = loan.waiveInterest(command.getTransactionAmount(), command.getTransactionDate(),
-                defaultLoanLifecycleStateMachine());
+        final LoanTransaction waiveTransaction = loan.waiveInterest(command, defaultLoanLifecycleStateMachine());
 
         this.loanTransactionRepository.save(waiveTransaction);
         this.loanRepository.save(loan);
 
-        final String noteText = command.getNote();
+        final String noteText = command.stringValueOfParameterNamed("note");
         if (StringUtils.isNotBlank(noteText)) {
+            changes.put("note", noteText);
             final Note note = Note.loanTransactionNote(loan, waiveTransaction, noteText);
             this.noteRepository.save(note);
         }
+        
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
-        return new EntityIdentifier(loan.getId());
+        return EntityIdentifier.subResourceResult(loanId, waiveTransaction.getId(), command.commandId(), changes);
     }
 
     @Transactional
     @Override
-    public EntityIdentifier writeOff(final LoanTransactionCommand command) {
+    public EntityIdentifier writeOff(final Long loanId, final JsonCommand command) {
         context.authenticatedUser();
 
-        final LoanTransactionCommandValidator validator = new LoanTransactionCommandValidator(command);
-        validator.validateNonMonetaryTransaction();
+        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+                .json());
+        loanTransactionCommand.validateNonMonetaryTransaction();
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
 
-        final Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
+        final Loan loan = retrieveLoanBy(loanId);
 
-        final LoanTransaction writeoff = loan.closeAsWrittenOff(command.getTransactionDate(), defaultLoanLifecycleStateMachine());
+        final LoanTransaction writeoff = loan.closeAsWrittenOff(command, defaultLoanLifecycleStateMachine(), changes);
 
         this.loanTransactionRepository.save(writeoff);
         this.loanRepository.save(loan);
 
-        final String noteText = command.getNote();
+        final String noteText = command.stringValueOfParameterNamed("note");
         if (StringUtils.isNotBlank(noteText)) {
+            changes.put("note", noteText);
             final Note note = Note.loanTransactionNote(loan, writeoff, noteText);
             this.noteRepository.save(note);
         }
 
-        return new EntityIdentifier(loan.getId());
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
+
+        return EntityIdentifier.subResourceResult(loanId, writeoff.getId(), command.commandId(), changes);
     }
 
     @Transactional
     @Override
-    public EntityIdentifier closeLoan(final LoanTransactionCommand command) {
+    public EntityIdentifier closeLoan(final Long loanId, final JsonCommand command) {
 
         context.authenticatedUser();
 
-        final LoanTransactionCommandValidator validator = new LoanTransactionCommandValidator(command);
-        validator.validateNonMonetaryTransaction();
+        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+                .json());
+        loanTransactionCommand.validateNonMonetaryTransaction();
 
-        final Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
+        final Loan loan = retrieveLoanBy(loanId);
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
 
-        final LoanTransaction possibleClosingTransaction = loan.close(command.getTransactionDate(), defaultLoanLifecycleStateMachine());
+        final LoanTransaction possibleClosingTransaction = loan.close(command, defaultLoanLifecycleStateMachine(), changes);
         if (possibleClosingTransaction != null) {
             this.loanTransactionRepository.save(possibleClosingTransaction);
         }
         this.loanRepository.save(loan);
 
-        final String noteText = command.getNote();
+        final String noteText = command.stringValueOfParameterNamed("note");
         if (StringUtils.isNotBlank(noteText)) {
+            changes.put("note", noteText);
             final Note note = Note.loanNote(loan, noteText);
             this.noteRepository.save(note);
         }
-
-        return new EntityIdentifier(loan.getId());
+        
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
+        
+        EntityIdentifier result = null;
+        if (possibleClosingTransaction != null) {
+            result = EntityIdentifier.subResourceResult(loanId, possibleClosingTransaction.getId(), command.commandId(), changes);
+        } else {
+            result = EntityIdentifier.resourceResult(loanId, command.commandId(), changes);
+        }
+        
+        return result;
     }
 
     @Transactional
     @Override
-    public EntityIdentifier closeAsRescheduled(final LoanTransactionCommand command) {
+    public EntityIdentifier closeAsRescheduled(final Long loanId, final JsonCommand command) {
         context.authenticatedUser();
 
-        final LoanTransactionCommandValidator validator = new LoanTransactionCommandValidator(command);
-        validator.validateNonMonetaryTransaction();
+        final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
+                .json());
+        loanTransactionCommand.validateNonMonetaryTransaction();
 
-        final Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
+        final Loan loan = retrieveLoanBy(loanId);
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>();
+        changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
 
-        loan.closeAsMarkedForReschedule(command.getTransactionDate(), defaultLoanLifecycleStateMachine());
+        loan.closeAsMarkedForReschedule(command, defaultLoanLifecycleStateMachine(), changes);
 
         this.loanRepository.save(loan);
 
-        final String noteText = command.getNote();
+        final String noteText = command.stringValueOfParameterNamed("note");
         if (StringUtils.isNotBlank(noteText)) {
+            changes.put("note", noteText);
             final Note note = Note.loanNote(loan, noteText);
             this.noteRepository.save(note);
         }
+        
+        changes.put("locale", command.locale());
+        changes.put("dateFormat", command.dateFormat());
 
-        return new EntityIdentifier(loan.getId());
+        return EntityIdentifier.resourceResult(loanId, command.commandId(), changes);
     }
 
     @Transactional