MIFOSX-97: inital pass at support for maker-checker and audit around loancharges.

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

@@ -215,4 +215,20 @@ public class CommandWrapper {
     public boolean isCloseLoanAsRescheduled() {
         return this.actionName.equalsIgnoreCase("CLOSEASRESCHEDULED") && this.entityName.equalsIgnoreCase("LOAN");
     }
+
+    public boolean isAddLoanCharge() {
+        return this.actionName.equalsIgnoreCase("CREATE") && this.entityName.equalsIgnoreCase("LOANCHARGE");
+    }
+
+    public boolean isDeleteLoanCharge() {
+        return this.actionName.equalsIgnoreCase("DELETE") && this.entityName.equalsIgnoreCase("LOANCHARGE");
+    }
+    
+    public boolean isUpdateLoanCharge() {
+        return this.actionName.equalsIgnoreCase("UPDATE") && this.entityName.equalsIgnoreCase("LOANCHARGE");
+    }
+
+    public boolean isWaiveLoanCharge() {
+        return this.actionName.equalsIgnoreCase("WAIVE") && this.entityName.equalsIgnoreCase("LOANCHARGE");
+    }
 }

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

@@ -236,6 +236,14 @@ public class SynchronousCommandProcessingService implements CommandProcessingSer
                 handler = applicationContext.getBean("closeLoanCommandHandler", NewCommandSourceHandler.class);
             } else if (wrapper.isCloseLoanAsRescheduled()) {
                 handler = applicationContext.getBean("closeLoanAsRescheduledCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isAddLoanCharge()) {
+                handler = applicationContext.getBean("addLoanChargeCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isDeleteLoanCharge()) {
+                handler = applicationContext.getBean("deleteLoanChargeCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isUpdateLoanCharge()) {
+                handler = applicationContext.getBean("updateLoanChargeCommandHandler", NewCommandSourceHandler.class);
+            } else if (wrapper.isWaiveLoanCharge()) {
+                handler = applicationContext.getBean("waiveLoanChargeCommandHandler", 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

@@ -15,7 +15,6 @@ import org.mifosplatform.organisation.staff.data.StaffData;
 import org.mifosplatform.portfolio.client.data.ClientAccountSummaryCollectionData;
 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.gaurantor.data.GuarantorData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingAccountData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingScheduleData;
@@ -80,8 +79,6 @@ public class GoogleGsonPortfolioApiJsonSerializerService implements PortfolioApi
     private static final Set<String> LOAN_REASSIGNMENT_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("officeId", "fromLoanOfficerId",
             "assignmentDate", "officeOptions", "loanOfficerOptions", "accountSummaryCollection"));
 
-    private static final Set<String> LOAN_CHARGES_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("chargeOptions"));
-
     private static final Set<String> SAVINGS_ACCOUNTS_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("id", "status", "externalId",
             "clientId", "clientName", "productId", "productName", "productType", "currencyData", "savingsDepostiAmountPerPeriod",
             "savingsFrequencyType", "totalDepositAmount", "reccuringInterestRate", "savingInterestRate", "interestType",
@@ -210,13 +207,6 @@ public class GoogleGsonPortfolioApiJsonSerializerService implements PortfolioApi
         return helper.serializedJsonFrom(gsonDeserializer, loanReassignmentData);
     }
 
-    @Override
-    public String serializeLoanChargeDataToJson(boolean prettyPrint, Set<String> responseParameters, LoanChargeData charge) {
-        final Gson gsonDeserializer = helper.createGsonBuilderWithParameterExclusionSerializationStrategy(LOAN_CHARGES_DATA_PARAMETERS,
-                prettyPrint, responseParameters);
-        return helper.serializedJsonFrom(gsonDeserializer, charge);
-    }
-
     @Override
     public String serializeStaffDataToJson(boolean prettyPrint, Set<String> responseParameters, StaffData staff) {
         final Gson gsonDeserializer = helper.createGsonBuilderWithParameterExclusionSerializationStrategy(STAFF_DATA_PARAMETERS,

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

@@ -4,7 +4,6 @@ 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.LoanChargeCommand;
 import org.mifosplatform.portfolio.loanaccount.gaurantor.command.GuarantorCommand;
 import org.mifosplatform.portfolio.savingsaccount.command.SavingAccountCommand;
 import org.mifosplatform.portfolio.savingsaccountproduct.command.SavingProductCommand;
@@ -25,8 +24,6 @@ public interface PortfolioApiDataConversionService {
 
     GroupCommand convertJsonToGroupCommand(Long resourceIdentifier, String json);
 
-    LoanChargeCommand convertJsonToLoanChargeCommand(Long loanChargeId, Long loanId, 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

@@ -27,7 +27,6 @@ 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.LoanChargeCommand;
 import org.mifosplatform.portfolio.loanaccount.gaurantor.command.GuarantorCommand;
 import org.mifosplatform.portfolio.savingsaccount.command.SavingAccountCommand;
 import org.mifosplatform.portfolio.savingsaccountproduct.command.SavingProductCommand;
@@ -173,34 +172,6 @@ public class PortfolioApiDataConversionServiceImpl implements PortfolioApiDataCo
         return new GroupCommand(modifiedParameters, resourceIdentifier, externalId, name, officeId, clientMembers);
     }
 
-    /**
-     * @deprecated - to be removed soon
-     */
-    @Deprecated
-    @Override
-    public LoanChargeCommand convertJsonToLoanChargeCommand(final Long loanChargeId, final Long loanId, final String json) {
-        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
-
-        Type typeOfMap = new TypeToken<Map<String, String>>() {}.getType();
-        Map<String, String> requestMap = gsonConverter.fromJson(json, typeOfMap);
-
-        final Set<String> supportedParams = new HashSet<String>(Arrays.asList("chargeId", "amount", "chargeTimeType",
-                "chargeCalculationType", "specifiedDueDate", "locale", "dateFormat"));
-
-        checkForUnsupportedParameters(requestMap, supportedParams);
-
-        Set<String> modifiedParameters = new HashSet<String>();
-
-        Long chargeId = extractLongParameter("chargeId", requestMap, modifiedParameters);
-        BigDecimal amount = extractBigDecimalParameter("amount", requestMap, modifiedParameters);
-        Integer chargeTimeType = extractIntegerParameter("chargeTimeType", requestMap, modifiedParameters);
-        Integer chargeCalculationType = extractIntegerParameter("chargeCalculationType", requestMap, modifiedParameters);
-        final LocalDate submittedOnDate = extractLocalDateParameter("specifiedDueDate", requestMap, modifiedParameters);
-
-        return new LoanChargeCommand(modifiedParameters, loanChargeId, loanId, chargeId, amount, chargeTimeType, chargeCalculationType,
-                submittedOnDate);
-    }
-
     @Override
     public NoteCommand convertJsonToNoteCommand(final Long noteId, final Long clientId, final String json) {
         if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }

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

@@ -12,7 +12,6 @@ import org.mifosplatform.organisation.staff.data.StaffData;
 import org.mifosplatform.portfolio.client.data.ClientAccountSummaryCollectionData;
 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.gaurantor.data.GuarantorData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingAccountData;
 import org.mifosplatform.portfolio.savingsaccount.data.SavingScheduleData;
@@ -53,8 +52,6 @@ public interface PortfolioApiJsonSerializerService {
     String serializeLoanReassignmentDataToJson(boolean prettyPrint, Set<String> responseParameters,
             BulkTransferLoanOfficerData loanReassignmentData);
 
-    String serializeLoanChargeDataToJson(boolean prettyPrint, Set<String> responseParameters, LoanChargeData charge);
-
     String serializeStaffDataToJson(boolean prettyPrint, Set<String> responseParameters, StaffData staff);
 
     String serializeStaffDataToJson(boolean prettyPrint, Set<String> responseParameters, Collection<StaffData> staff);

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

@@ -1,6 +1,8 @@
 package org.mifosplatform.portfolio.loanaccount.api;
 
+import java.util.Arrays;
 import java.util.Collection;
+import java.util.HashSet;
 import java.util.Set;
 
 import javax.ws.rs.Consumes;
@@ -14,23 +16,19 @@ 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.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.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;
@@ -40,102 +38,87 @@ import org.springframework.stereotype.Component;
 @Scope("singleton")
 public class LoanChargesApiResource {
 
+    private final Set<String> RESPONSE_DATA_PARAMETERS = new HashSet<String>(Arrays.asList("id", "chargeId", "name", "penalty",
+            "chargeTimeType", "dueAsOfDate", "chargeCalculationType", "percentage", "amountPercentageAppliedTo", "currency",
+            "amountWaived", "amountWrittenOff", "amountOutstanding", "amountOrPercentage", "amount", "amountPaid", "chargeOptions"));
+
+    private final String resourceNameForPermissions = "LOAN";
+
     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;
+    private final DefaultToApiJsonSerializer<LoanChargeData> toApiJsonSerializer;
+    private final ApiRequestParameterHelper apiRequestParameterHelper;
+    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
-            ) {
+    public LoanChargesApiResource(final PlatformSecurityContext context, final ChargeReadPlatformService chargeReadPlatformService,
+            final DefaultToApiJsonSerializer<LoanChargeData> toApiJsonSerializer,
+            final ApiRequestParameterHelper apiRequestParameterHelper,
+            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;
+        this.apiRequestParameterHelper = apiRequestParameterHelper;
+        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());
+        context.authenticatedUser().validateHasReadPermission(resourceNameForPermissions);
 
         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);
+        final ApiRequestJsonSerializationSettings settings = apiRequestParameterHelper.process(uriInfo.getQueryParameters());
+        return this.toApiJsonSerializer.serialize(settings, loanChargeTemplate, RESPONSE_DATA_PARAMETERS);
     }
 
     @GET
-    @Path("{chargeId}")
+    @Path("{loanChargeId}")
     @Consumes({ MediaType.APPLICATION_JSON })
     @Produces({ MediaType.APPLICATION_JSON })
-    public String retrieveLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
+    public String retrieveLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("loanChargeId") 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());
+        context.authenticatedUser().validateHasReadPermission(resourceNameForPermissions);
 
         final LoanChargeData loanCharge = this.chargeReadPlatformService.retrieveLoanChargeDetails(loanChargeId, loanId);
 
-        return this.apiJsonSerializerService.serializeLoanChargeDataToJson(prettyPrint, responseParameters, loanCharge);
+        final ApiRequestJsonSerializationSettings settings = apiRequestParameterHelper.process(uriInfo.getQueryParameters());
+        return this.toApiJsonSerializer.serialize(settings, loanCharge, RESPONSE_DATA_PARAMETERS);
+    }
+
+    @POST
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String addLoanCharge(@PathParam("loanId") final Long loanId, final String apiRequestBodyAsJson) {
+
+        final EntityIdentifier result = this.commandsSourceWritePlatformService.logCommandSource("CREATE", "LOANCHARGE", "N/A", "loans",
+                loanId, "charges", null, apiRequestBodyAsJson);
+
+        return this.toApiJsonSerializer.serialize(result);
     }
 
     @PUT
-    @Path("{chargeId}")
+    @Path("{loanChargeId}")
     @Consumes({ MediaType.APPLICATION_JSON })
     @Produces({ MediaType.APPLICATION_JSON })
-    public String updateLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("chargeId") final Long loanChargeId,
-            final String jsonRequestBody) {
+    public String updateLoanCharge(@PathParam("loanId") final Long loanId, @PathParam("loanChargeId") final Long loanChargeId,
+            final String apiRequestBodyAsJson) {
 
-        final LoanChargeCommand command = this.apiDataConversionService.convertJsonToLoanChargeCommand(loanChargeId, loanId,
-                jsonRequestBody);
+        final EntityIdentifier result = this.commandsSourceWritePlatformService.logCommandSource("UPDATE", "LOANCHARGE", "N/A", "loans",
+                loanId, "charges", loanChargeId, apiRequestBodyAsJson);
 
-        final EntityIdentifier identifier = this.loanWritePlatformService.updateLoanCharge(command);
-
-        return this.toApiJsonSerializer.serialize(identifier);
+        return this.toApiJsonSerializer.serialize(result);
     }
 
     @POST
@@ -145,12 +128,12 @@ public class LoanChargesApiResource {
     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);
+            final EntityIdentifier result = this.commandsSourceWritePlatformService.logCommandSource("WAIVE", "LOANCHARGE", "N/A", "loans",
+                    loanId, "charges", loanChargeId, "{}");
+
+            json = this.toApiJsonSerializer.serialize(result);
         } else {
             throw new UnrecognizedQueryParamException("command", commandParam);
         }
@@ -164,7 +147,9 @@ public class LoanChargesApiResource {
     @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);
+        final EntityIdentifier result = this.commandsSourceWritePlatformService.logCommandSource("DELETE", "LOANCHARGE", "N/A", "loans",
+                loanId, "charges", loanChargeId, "{}");
+
+        return this.toApiJsonSerializer.serialize(result);
     }
 }

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

@@ -30,8 +30,11 @@ 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
-
+// FIXME: - modifying loan after disbursement
+// FIXME: - does not take into account 'actual disbursement' date being different to 'expected'
+// FIXME: - the schedule is 'generated' rather than been read from current loan schedule
+// FIXME: - should not allow modify loan after disbursal (should be only restructure/reschedule)
+// FIXME: - ui problem with default date for disburse dialog on some screens
 @Path("/loans/{loanId}/transactions")
 @Component
 @Scope("singleton")

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

@@ -289,8 +289,7 @@ public class LoanApplicationCommand {
         if (this.charges != null) {
             for (LoanChargeCommand loanChargeCommand : this.charges) {
                 try {
-                    LoanChargeCommandValidator validator = new LoanChargeCommandValidator(loanChargeCommand);
-                    validator.validateForCreate();
+                    loanChargeCommand.validateForCreate();
                 } catch (PlatformApiDataValidationException e) {
                     dataValidationErrors.addAll(e.getErrors());
                 }

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

@@ -1,49 +1,34 @@
 package org.mifosplatform.portfolio.loanaccount.command;
 
 import java.math.BigDecimal;
-import java.util.HashSet;
-import java.util.Set;
+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 creating and updating loan charges.
  */
 public class LoanChargeCommand implements Comparable<LoanChargeCommand> {
 
-    private final Long id;
     private final Long chargeId;
-    private final Long loanId;
     private final BigDecimal amount;
-
     private final Integer chargeTimeType;
     private final LocalDate specifiedDueDate;
     private final Integer chargeCalculationType;
 
-    /**
-     * Used to capture what parameters were passed in the json api request. It
-     * does not indicate that these values are modified from their original
-     * values when tyring to update.
-     */
-    private final Set<String> requestParameters;
-
-    public static LoanChargeCommand forWaiver(final Long id, final Long loanId) {
-        final Set<String> parametersPassedInCommand = new HashSet<String>();
-        return new LoanChargeCommand(parametersPassedInCommand, id, loanId, null, null, null, null, null);
-    }
-
-    public LoanChargeCommand(final Set<String> parametersPassedInCommand, final Long id, final Long loanId, final Long chargeId,
-            final BigDecimal amount, final Integer chargeTimeType, final Integer chargeCalculationType, final LocalDate specifiedDueDate) {
-        this.requestParameters = parametersPassedInCommand;
-        this.id = id;
+    public LoanChargeCommand(final Long chargeId, final BigDecimal amount, final Integer chargeTimeType,
+            final Integer chargeCalculationType, final LocalDate specifiedDueDate) {
         this.chargeId = chargeId;
-        this.loanId = loanId;
         this.amount = amount;
         this.chargeTimeType = chargeTimeType;
         this.chargeCalculationType = chargeCalculationType;
         this.specifiedDueDate = specifiedDueDate;
     }
-    
+
     @Override
     public int compareTo(final LoanChargeCommand o) {
         int comparison = this.chargeId.compareTo(o.chargeId);
@@ -53,47 +38,38 @@ public class LoanChargeCommand implements Comparable<LoanChargeCommand> {
         return comparison;
     }
 
-    public Long getId() {
-        return id;
+    public void validateForCreate() {
+        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
+
+        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("charge");
+
+        baseDataValidator.reset().parameter("chargeId").value(this.chargeId).notNull().longGreaterThanZero();
+        baseDataValidator.reset().parameter("amount").value(this.amount).notNull().positiveAmount();
+        // baseDataValidator.reset().parameter("chargeTimeType").value(command.getChargeTimeType()).ignoreIfNull().inMinMaxRange(1,
+        // 2);
+        //
+        // if (command.getChargeTimeType().equals(Integer.valueOf(2))) {
+        // // date must be provided
+        // baseDataValidator.reset().parameter("specifiedDueDate").value(command.getSpecifiedDueDate()).notNull();
+        // }
+        //
+        // baseDataValidator.reset().parameter("chargeCalculationType").value(command.getChargeCalculationType()).ignoreIfNull().inMinMaxRange(1,
+        // 4);
+
+        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
+                "Validation errors exist.", dataValidationErrors); }
     }
 
-    public Long getChargeId() {
-        return chargeId;
-    }
+    public void validateForUpdate() {
+        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
 
-    public Long getLoanId() {
-        return loanId;
-    }
+        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("charge");
 
-    public BigDecimal getAmount() {
-        return amount;
-    }
+        baseDataValidator.reset().parameter("amount").value(this.amount).ignoreIfNull().positiveAmount();
+        baseDataValidator.reset().parameter("chargeTimeType").value(this.chargeTimeType).ignoreIfNull().inMinMaxRange(1, 2);
+        baseDataValidator.reset().parameter("chargeCalculationType").value(this.chargeCalculationType).ignoreIfNull().inMinMaxRange(1, 4);
 
-    public Integer getChargeTimeType() {
-        return chargeTimeType;
-    }
-
-    public LocalDate getSpecifiedDueDate() {
-        return specifiedDueDate;
-    }
-
-    public Integer getChargeCalculationType() {
-        return chargeCalculationType;
-    }
-
-    public boolean isAmountChanged() {
-        return this.requestParameters.contains("amount");
-    }
-
-    public boolean isChargeTimeTypeChanged() {
-        return this.requestParameters.contains("chargeTimeType");
-    }
-
-    public boolean isSpecifiedDueDateChanged() {
-        return this.requestParameters.contains("specifiedDueDate");
-    }
-
-    public boolean isChargeCalculationTypeChanged() {
-        return this.requestParameters.contains("chargeCalculationType");
+        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/LoanChargeCommandValidator.java

@@ -1,52 +0,0 @@
-package org.mifosplatform.portfolio.loanaccount.command;
-
-import org.mifosplatform.infrastructure.core.data.ApiParameterError;
-import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
-import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class LoanChargeCommandValidator {
-
-    private final LoanChargeCommand command;
-
-    public LoanChargeCommandValidator(final LoanChargeCommand command) {
-        this.command = command;
-    }
-
-    public void validateForCreate() {
-        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
-
-        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("charge");
-
-        baseDataValidator.reset().parameter("chargeId").value(command.getChargeId()).notNull().longGreaterThanZero();
-        baseDataValidator.reset().parameter("amount").value(command.getAmount()).notNull().positiveAmount();
-//        baseDataValidator.reset().parameter("chargeTimeType").value(command.getChargeTimeType()).ignoreIfNull().inMinMaxRange(1, 2);
-//        
-//        if (command.getChargeTimeType().equals(Integer.valueOf(2))) {
-//        	// date must be provided
-//        	 baseDataValidator.reset().parameter("specifiedDueDate").value(command.getSpecifiedDueDate()).notNull();
-//        }
-//        
-//        baseDataValidator.reset().parameter("chargeCalculationType").value(command.getChargeCalculationType()).ignoreIfNull().inMinMaxRange(1, 4);
-
-        if (!dataValidationErrors.isEmpty()) {
-            throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist", "Validation errors exist.", dataValidationErrors);
-        }
-    }
-
-    public void validateForUpdate() {
-        List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
-
-        DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("charge");
-
-        baseDataValidator.reset().parameter("amount").value(command.getAmount()).ignoreIfNull().positiveAmount();
-        baseDataValidator.reset().parameter("chargeTimeType").value(command.getChargeTimeType()).ignoreIfNull().inMinMaxRange(1, 2);
-        baseDataValidator.reset().parameter("chargeCalculationType").value(command.getChargeCalculationType()).ignoreIfNull().inMinMaxRange(1, 4);
-
-        if (!dataValidationErrors.isEmpty()) {
-            throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist", "Validation errors exist.", dataValidationErrors);
-        }
-    }
-}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/data/LoanChargeData.java

@@ -13,122 +13,99 @@ import org.mifosplatform.portfolio.charge.data.ChargeData;
  */
 public class LoanChargeData {
 
-	@SuppressWarnings("unused")
+    @SuppressWarnings("unused")
     private final Long id;
-	
-	@SuppressWarnings("unused")
+
+    @SuppressWarnings("unused")
     private final Long chargeId;
-	
-	@SuppressWarnings("unused")
+
+    @SuppressWarnings("unused")
     private final String name;
-	
-	@SuppressWarnings("unused")
+
+    @SuppressWarnings("unused")
     private final EnumOptionData chargeTimeType;
-	
-	@SuppressWarnings("unused")
-	private final LocalDate dueAsOfDate;
-	
-	@SuppressWarnings("unused")
+
+    @SuppressWarnings("unused")
+    private final LocalDate dueAsOfDate;
+
+    @SuppressWarnings("unused")
     private final EnumOptionData chargeCalculationType;
-	
-	private final BigDecimal percentage;
-	
-	@SuppressWarnings("unused")
-	private final BigDecimal amountPercentageAppliedTo;
-	
-	@SuppressWarnings("unused")
+
+    private final BigDecimal percentage;
+
+    @SuppressWarnings("unused")
+    private final BigDecimal amountPercentageAppliedTo;
+
+    @SuppressWarnings("unused")
     private final CurrencyData currency;
-	
-	@SuppressWarnings("unused")
+
+    @SuppressWarnings("unused")
     private final BigDecimal amount;
-	
-	@SuppressWarnings("unused")
-	private final BigDecimal amountPaid;
-	@SuppressWarnings("unused")
-	private final BigDecimal amountWaived;
-	@SuppressWarnings("unused")
-	private final BigDecimal amountWrittenOff;
-	
-	@SuppressWarnings("unused")
-	private final BigDecimal amountOutstanding;
-	
-	@SuppressWarnings("unused")
-	private final BigDecimal amountOrPercentage;
-	
-    @SuppressWarnings("unused")
-	private final Collection<ChargeData> chargeOptions;
 
     @SuppressWarnings("unused")
-	private final boolean penalty;
+    private final BigDecimal amountPaid;
+    @SuppressWarnings("unused")
+    private final BigDecimal amountWaived;
+    @SuppressWarnings("unused")
+    private final BigDecimal amountWrittenOff;
 
-    public static LoanChargeData template(final Collection<ChargeData> chargeOptions){
-        return new LoanChargeData(null,null,null,null,null,null,null, chargeOptions, false);
+    @SuppressWarnings("unused")
+    private final BigDecimal amountOutstanding;
+
+    @SuppressWarnings("unused")
+    private final BigDecimal amountOrPercentage;
+
+    @SuppressWarnings("unused")
+    private final Collection<ChargeData> chargeOptions;
+
+    @SuppressWarnings("unused")
+    private final boolean penalty;
+
+    public static LoanChargeData template(final Collection<ChargeData> chargeOptions) {
+        return new LoanChargeData(null, null, null, null, null, null, null, chargeOptions, false);
     }
-    
-    /**
-     * used when populating with details from charge definition (for crud on charges)
-     */
-	public static LoanChargeData newLoanChargeDetails(
-			final Long chargeId, 
-			final String name,
-			final CurrencyData currency, 
-			final BigDecimal value,
-			final EnumOptionData chargeTimeType,
-			final EnumOptionData chargeCalculationType,
-			final boolean penalty) {
-		return new LoanChargeData(null, chargeId, name, currency, value, chargeTimeType, chargeCalculationType, null, penalty);
-	}
 
-    public LoanChargeData(
-    		final Long id, 
-    		final Long chargeId, 
-    		final String name, 
-    		final CurrencyData currency, 
-    		final BigDecimal amount,
-    		final BigDecimal amountPaid, 
-    		final BigDecimal amountWaived, 
-    		final BigDecimal amountWrittenOff, 
-    		final BigDecimal amountOutstanding, 
-    		final EnumOptionData chargeTimeType, 
-    		final LocalDate dueAsOfDate, 
-    		final EnumOptionData chargeCalculationType, 
-    		final BigDecimal percentage, 
-    		final BigDecimal amountPercentageAppliedTo, 
-    		final boolean penalty) {
+    /**
+     * used when populating with details from charge definition (for crud on
+     * charges)
+     */
+    public static LoanChargeData newLoanChargeDetails(final Long chargeId, final String name, final CurrencyData currency,
+            final BigDecimal value, final EnumOptionData chargeTimeType, final EnumOptionData chargeCalculationType, final boolean penalty) {
+        return new LoanChargeData(null, chargeId, name, currency, value, chargeTimeType, chargeCalculationType, null, penalty);
+    }
+
+    public LoanChargeData(final Long id, final Long chargeId, final String name, final CurrencyData currency, final BigDecimal amount,
+            final BigDecimal amountPaid, final BigDecimal amountWaived, final BigDecimal amountWrittenOff,
+            final BigDecimal amountOutstanding, final EnumOptionData chargeTimeType, final LocalDate dueAsOfDate,
+            final EnumOptionData chargeCalculationType, final BigDecimal percentage, final BigDecimal amountPercentageAppliedTo,
+            final boolean penalty) {
         this.id = id;
         this.chargeId = chargeId;
         this.name = name;
         this.currency = currency;
         this.amount = amount;
-		this.amountPaid = amountPaid;
-		this.amountWaived = amountWaived;
-		this.amountWrittenOff = amountWrittenOff;
-		this.amountOutstanding = amountOutstanding;
+        this.amountPaid = amountPaid;
+        this.amountWaived = amountWaived;
+        this.amountWrittenOff = amountWrittenOff;
+        this.amountOutstanding = amountOutstanding;
         this.chargeTimeType = chargeTimeType;
-		this.dueAsOfDate = dueAsOfDate;
+        this.dueAsOfDate = dueAsOfDate;
         this.chargeCalculationType = chargeCalculationType;
-		this.percentage = percentage;
-		this.amountPercentageAppliedTo = amountPercentageAppliedTo;
-		this.penalty = penalty;
+        this.percentage = percentage;
+        this.amountPercentageAppliedTo = amountPercentageAppliedTo;
+        this.penalty = penalty;
+
+        if (chargeCalculationType != null && chargeCalculationType.getId().intValue() > 1) {
+            this.amountOrPercentage = this.percentage;
+        } else {
+            this.amountOrPercentage = amount;
+        }
 
-		if (chargeCalculationType != null && chargeCalculationType.getId().intValue() > 1) {
-			this.amountOrPercentage = this.percentage;
-		} else {
-			this.amountOrPercentage = amount;
-		}
-		
         this.chargeOptions = null;
     }
 
-    private LoanChargeData(
-    		final Long id, 
-    		final Long chargeId, 
-    		final String name, 
-    		final CurrencyData currency, 
-    		final BigDecimal amount,
-    		final EnumOptionData chargeTimeType, 
-    		final EnumOptionData chargeCalculationType,
-            final Collection<ChargeData> chargeOptions,
+    private LoanChargeData(final Long id, final Long chargeId, final String name, final CurrencyData currency, final BigDecimal amount,
+            final EnumOptionData chargeTimeType, final EnumOptionData chargeCalculationType, final Collection<ChargeData> chargeOptions,
             final boolean penalty) {
         this.id = id;
         this.chargeId = chargeId;
@@ -137,21 +114,21 @@ public class LoanChargeData {
         this.amount = amount;
         this.amountPaid = BigDecimal.ZERO;
         this.amountWaived = BigDecimal.ZERO;
-		this.amountWrittenOff = BigDecimal.ZERO;
-		this.amountOutstanding = amount;
+        this.amountWrittenOff = BigDecimal.ZERO;
+        this.amountOutstanding = amount;
         this.chargeTimeType = chargeTimeType;
         this.dueAsOfDate = null;
         this.chargeCalculationType = chargeCalculationType;
         this.percentage = null;
-		this.amountPercentageAppliedTo = null;
-		this.penalty = penalty;
-		
-		if (chargeCalculationType != null && chargeCalculationType.getId().intValue() > 1) {
-			this.amountOrPercentage = this.percentage;
-		} else {
-			this.amountOrPercentage = amount;
-		}
-		
+        this.amountPercentageAppliedTo = null;
+        this.penalty = penalty;
+
+        if (chargeCalculationType != null && chargeCalculationType.getId().intValue() > 1) {
+            this.amountOrPercentage = this.percentage;
+        } else {
+            this.amountOrPercentage = amount;
+        }
+
         this.chargeOptions = chargeOptions;
     }
 }

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

@@ -421,12 +421,15 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         }
     }
 
-    public void updateLoanCharge(final LoanCharge loanCharge, final LoanChargeCommand command) {
+    public Map<String, Object> updateLoanCharge(final LoanCharge loanCharge, final JsonCommand command) {
+
+        final Map<String, Object> actualChanges = new LinkedHashMap<String, Object>(3);
 
         validateLoanIsNotClosed(loanCharge);
 
         if (this.charges.contains(loanCharge)) {
-            loanCharge.update(command, getPrincpal().getAmount());
+            final Map<String, Object> loanChargeChanges = loanCharge.update(command, getPrincpal().getAmount());
+            actualChanges.putAll(loanChargeChanges);
             updateTotalChargesDueAtDisbursement();
         }
 
@@ -441,13 +444,17 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
             LoanScheduleWrapper wrapper = new LoanScheduleWrapper();
             wrapper.reprocess(getCurrency(), getDisbursementDate(), this.repaymentScheduleInstallments, this.charges);
         }
+
+        return actualChanges;
     }
 
-    public LoanTransaction waiveLoanCharge(final LoanCharge loanCharge, final LoanLifecycleStateMachine loanLifecycleStateMachine) {
+    public LoanTransaction waiveLoanCharge(final LoanCharge loanCharge, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
 
         validateLoanIsNotClosed(loanCharge);
 
         final Money amountWaived = loanCharge.waive(loanCurrency());
+        
+        changes.put("amount", amountWaived.getAmount());
 
         Money feeChargesWaived = Money.of(loanCurrency(), loanCharge.amount());
         Money penaltyChargesWaived = Money.zero(loanCurrency());
@@ -1368,9 +1375,11 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return this.loanRepaymentScheduleDetail.getCurrency();
     }
 
-    public LoanTransaction closeAsWrittenOff(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
+    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));
+        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));
@@ -1382,7 +1391,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         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();
@@ -1412,7 +1421,8 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return loanTransaction;
     }
 
-    public LoanTransaction close(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
+    public LoanTransaction close(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine,
+            final Map<String, Object> changes) {
 
         final LocalDate closureDate = command.localDateValueOfParameterNamed("transactionDate");
 
@@ -1487,8 +1497,9 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
         return totalOutstanding;
     }
 
-    private void updateLoanForClosure(final LocalDate closureDate, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
-        
+    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));
         if (!statusEnum.hasStateOf(LoanStatus.fromInt(this.loanStatus))) {
             this.loanStatus = statusEnum.getValue();
@@ -1500,12 +1511,14 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
     /**
      * Behaviour added to comply with capability of previous mifos product to
      * support easier transition to mifosx platform.
-     * @param changes 
+     * 
+     * @param changes
      */
-    public void closeAsMarkedForReschedule(final JsonCommand command, final LoanLifecycleStateMachine loanLifecycleStateMachine, final Map<String, Object> changes) {
+    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));
         if (!statusEnum.hasStateOf(LoanStatus.fromInt(this.loanStatus))) {
             this.loanStatus = statusEnum.getValue();

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

@@ -4,8 +4,8 @@ import java.math.BigDecimal;
 import java.math.MathContext;
 import java.math.RoundingMode;
 import java.util.Date;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.LinkedHashMap;
+import java.util.Map;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -16,6 +16,7 @@ import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
 
 import org.joda.time.LocalDate;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
 import org.mifosplatform.organisation.monetary.domain.Money;
 import org.mifosplatform.portfolio.charge.domain.Charge;
@@ -74,16 +75,24 @@ public class LoanCharge extends AbstractPersistable<Long> {
     @Column(name = "is_paid_derived", nullable = false)
     private boolean paid = false;
 
-    public static LoanCharge createNew(final Loan loan, final Charge chargeDefinition, final LoanChargeCommand command) {
-        return new LoanCharge(loan, chargeDefinition, command);
-    }
+    public static LoanCharge createNewFromJson(final Loan loan, final Charge chargeDefinition, final JsonCommand command) {
 
-    /*
-     * loanPrincipal is required for charges that are percentage based
-     */
-    public static LoanCharge createNewWithoutLoan(final Charge chargeDefinition, final LoanChargeCommand command,
-            final BigDecimal loanPrincipal) {
-        return new LoanCharge(chargeDefinition, command, loanPrincipal);
+        final BigDecimal amount = command.bigDecimalValueOfParameterNamed("amount");
+        final Integer chargeTimeType = command.integerValueOfParameterNamed("chargeTimeType");
+        final Integer chargeCalculationType = command.integerValueOfParameterNamed("chargeCalculationType");
+        final LocalDate specifiedDueDate = command.localDateValueOfParameterNamed("specifiedDueDate");
+
+        ChargeTimeType chargeTime = null;
+        if (chargeTimeType != null) {
+            chargeTime = ChargeTimeType.fromInt(chargeTimeType);
+        }
+        ChargeCalculationType chargeCalculation = null;
+        if (chargeCalculationType != null) {
+            chargeCalculation = ChargeCalculationType.fromInt(chargeCalculationType);
+        }
+
+        return new LoanCharge(loan, chargeDefinition, loan.getPrincpal().getAmount(), amount, chargeTime, chargeCalculation,
+                specifiedDueDate);
     }
 
     /*
@@ -91,20 +100,16 @@ public class LoanCharge extends AbstractPersistable<Long> {
      */
     public static LoanCharge createNewWithoutLoan(final Charge chargeDefinition, final BigDecimal loanPrincipal, final BigDecimal amount,
             final ChargeTimeType chargeTime, final ChargeCalculationType chargeCalculation, final LocalDate specifiedDueDate) {
-        return new LoanCharge(chargeDefinition, loanPrincipal, amount, chargeTime, chargeCalculation, specifiedDueDate);
-    }
-
-    public static LoanCharge createNew(final Charge chargeDefinition) {
-        return new LoanCharge(null, chargeDefinition);
+        return new LoanCharge(null, chargeDefinition, loanPrincipal, amount, chargeTime, chargeCalculation, specifiedDueDate);
     }
 
     protected LoanCharge() {
         //
     }
 
-    public LoanCharge(final Charge chargeDefinition, final BigDecimal loanPrincipal, final BigDecimal amount,
+    public LoanCharge(final Loan loan, final Charge chargeDefinition, final BigDecimal loanPrincipal, final BigDecimal amount,
             final ChargeTimeType chargeTime, final ChargeCalculationType chargeCalculation, final LocalDate specifiedDueDate) {
-        this.loan = null;
+        this.loan = loan;
         this.charge = chargeDefinition;
         this.penaltyCharge = chargeDefinition.isPenalty();
 
@@ -140,85 +145,6 @@ public class LoanCharge extends AbstractPersistable<Long> {
         this.paid = determineIfFullyPaid();
     }
 
-    @Deprecated
-    public LoanCharge(final Charge chargeDefinition, final LoanChargeCommand command, final BigDecimal loanPrincipal) {
-        this.loan = null;
-        this.charge = chargeDefinition;
-        this.penaltyCharge = chargeDefinition.isPenalty();
-
-        if (command.isChargeTimeTypeChanged()) {
-            this.chargeTime = command.getChargeTimeType();
-        } else {
-            this.chargeTime = chargeDefinition.getChargeTime();
-        }
-
-        if (ChargeTimeType.fromInt(this.chargeTime).equals(ChargeTimeType.SPECIFIED_DUE_DATE)) {
-
-            if (command.getSpecifiedDueDate() == null) {
-                final String defaultUserMessage = "Loan charge is missing specified due date";
-                throw new LoanChargeWithoutMandatoryFieldException("loancharge", "specifiedDueDate", defaultUserMessage, command.getId(),
-                        chargeDefinition.getName());
-            }
-
-            this.dueForCollectionAsOfDate = command.getSpecifiedDueDate().toDate();
-        } else {
-            this.dueForCollectionAsOfDate = null;
-        }
-
-        if (command.isChargeCalculationTypeChanged()) {
-            this.chargeCalculation = command.getChargeCalculationType();
-        } else {
-            this.chargeCalculation = chargeDefinition.getChargeCalculation();
-        }
-
-        BigDecimal chargeAmount = chargeDefinition.getAmount();
-        if (command.isAmountChanged()) {
-            chargeAmount = command.getAmount();
-        }
-
-        populateDerivedFields(loanPrincipal, chargeAmount);
-        this.paid = determineIfFullyPaid();
-    }
-
-    @Deprecated
-    private LoanCharge(final Loan loan, final Charge chargeDefinition, final LoanChargeCommand command) {
-        this.loan = loan;
-        this.charge = chargeDefinition;
-        this.penaltyCharge = chargeDefinition.isPenalty();
-        if (command.isChargeTimeTypeChanged()) {
-            this.chargeTime = command.getChargeTimeType();
-        } else {
-            this.chargeTime = chargeDefinition.getChargeTime();
-        }
-
-        if (ChargeTimeType.fromInt(this.chargeTime).equals(ChargeTimeType.SPECIFIED_DUE_DATE)) {
-
-            if (command.getSpecifiedDueDate() == null) {
-                final String defaultUserMessage = "Loan charge is missing specified due date";
-                throw new LoanChargeWithoutMandatoryFieldException("loancharge", "specifiedDueDate", defaultUserMessage, command.getId(),
-                        chargeDefinition.getName());
-            }
-
-            this.dueForCollectionAsOfDate = command.getSpecifiedDueDate().toDate();
-        } else {
-            this.dueForCollectionAsOfDate = null;
-        }
-
-        if (command.isChargeCalculationTypeChanged()) {
-            this.chargeCalculation = command.getChargeCalculationType();
-        } else {
-            this.chargeCalculation = chargeDefinition.getChargeCalculation();
-        }
-
-        BigDecimal chargeAmount = chargeDefinition.getAmount();
-        if (command.isAmountChanged()) {
-            chargeAmount = command.getAmount();
-        }
-
-        populateDerivedFields(loan.getPrincpal().getAmount(), chargeAmount);
-        this.paid = determineIfFullyPaid();
-    }
-
     private void populateDerivedFields(final BigDecimal loanPrincipal, final BigDecimal chargeAmount) {
 
         switch (ChargeCalculationType.fromInt(this.chargeCalculation)) {
@@ -270,20 +196,6 @@ public class LoanCharge extends AbstractPersistable<Long> {
         }
     }
 
-    private LoanCharge(final Loan loan, final Charge chargeDefinition) {
-        this(loan, chargeDefinition, chargeDefinition.getAmount(), chargeDefinition.getChargeTime(), chargeDefinition
-                .getChargeCalculation());
-    }
-
-    private LoanCharge(final Loan loan, final Charge charge, final BigDecimal amount, final Integer chargeTime,
-            final Integer chargeCalculation) {
-        this.loan = loan;
-        this.charge = charge;
-        this.amount = amount;
-        this.chargeTime = chargeTime;
-        this.chargeCalculation = chargeCalculation;
-    }
-
     public void markAsFullyPaid() {
         this.amountPaid = this.amount;
         this.amountOutstanding = BigDecimal.ZERO;
@@ -318,7 +230,7 @@ public class LoanCharge extends AbstractPersistable<Long> {
     public void update(final Loan loan) {
         this.loan = loan;
     }
-    
+
     public void update(final BigDecimal amount, final LocalDate specifiedDueDate, final BigDecimal loanPrincipal) {
         if (specifiedDueDate != null) {
             this.dueForCollectionAsOfDate = specifiedDueDate.toDate();
@@ -353,47 +265,73 @@ public class LoanCharge extends AbstractPersistable<Long> {
         }
     }
 
-    public void update(final LoanChargeCommand command, final BigDecimal loanPrincipal) {
+    public Map<String, Object> update(final JsonCommand command, final BigDecimal loanPrincipal) {
 
-        if (command.isChargeTimeTypeChanged()) {
-            this.chargeTime = ChargeTimeType.fromInt(command.getChargeTimeType()).getValue();
+        final Map<String, Object> actualChanges = new LinkedHashMap<String, Object>(7);
+
+        final String dateFormatAsInput = command.dateFormat();
+        final String localeAsInput = command.locale();
+
+        final String chargeTimeParamName = "chargeTime";
+        if (command.isChangeInIntegerParameterNamed(chargeTimeParamName, this.chargeTime)) {
+            final Integer newValue = command.integerValueOfParameterNamed(chargeTimeParamName);
+            actualChanges.put(chargeTimeParamName, newValue);
+            actualChanges.put("locale", localeAsInput);
+            this.chargeTime = ChargeTimeType.fromInt(newValue).getValue();
         }
 
-        if (command.isChargeCalculationTypeChanged()) {
-            this.chargeCalculation = ChargeCalculationType.fromInt(command.getChargeCalculationType()).getValue();
+        final String chargeCalculationParamName = "chargeCalculation";
+        if (command.isChangeInIntegerParameterNamed(chargeCalculationParamName, this.chargeCalculation)) {
+            final Integer newValue = command.integerValueOfParameterNamed(chargeCalculationParamName);
+            actualChanges.put(chargeCalculationParamName, newValue);
+            actualChanges.put("locale", localeAsInput);
+            this.chargeCalculation = ChargeCalculationType.fromInt(newValue).getValue();
         }
 
-        if (command.isSpecifiedDueDateChanged()) {
-            this.dueForCollectionAsOfDate = command.getSpecifiedDueDate().toDate();
+        final String specifiedDueDateParamName = "specifiedDueDate";
+        if (command.isChangeInLocalDateParameterNamed(specifiedDueDateParamName, getDueForCollectionAsOfLocalDate())) {
+            final String valueAsInput = command.stringValueOfParameterNamed(specifiedDueDateParamName);
+            actualChanges.put(specifiedDueDateParamName, valueAsInput);
+            actualChanges.put("dateFormat", dateFormatAsInput);
+            actualChanges.put("locale", localeAsInput);
+
+            final LocalDate newValue = command.localDateValueOfParameterNamed(specifiedDueDateParamName);
+            this.dueForCollectionAsOfDate = newValue.toDate();
         }
 
-        if (command.isAmountChanged()) {
+        final String amountParamName = "amount";
+        if (command.isChangeInBigDecimalParameterNamed(amountParamName, this.amount)) {
+            final BigDecimal newValue = command.bigDecimalValueOfParameterNamed(amountParamName);
+            actualChanges.put(amountParamName, newValue);
+            actualChanges.put("locale", localeAsInput);
             switch (ChargeCalculationType.fromInt(this.chargeCalculation)) {
                 case INVALID:
                 break;
                 case FLAT:
-                    this.amount = command.getAmount();
+                    this.amount = newValue;
                 break;
                 case PERCENT_OF_AMOUNT:
-                    this.percentage = command.getAmount();
+                    this.percentage = newValue;
                     this.amountPercentageAppliedTo = loanPrincipal;
                     this.amount = percentageOf(this.amountPercentageAppliedTo, this.percentage);
                     this.amountOutstanding = calculateOutstanding();
                 break;
                 case PERCENT_OF_AMOUNT_AND_INTEREST:
-                    this.percentage = command.getAmount();
+                    this.percentage = newValue;
                     this.amount = null;
                     this.amountPercentageAppliedTo = null;
                     this.amountOutstanding = null;
                 break;
                 case PERCENT_OF_INTEREST:
-                    this.percentage = command.getAmount();
+                    this.percentage = newValue;
                     this.amount = null;
                     this.amountPercentageAppliedTo = null;
                     this.amountOutstanding = null;
                 break;
             }
         }
+
+        return actualChanges;
     }
 
     public boolean isDueAtDisbursement() {
@@ -411,9 +349,7 @@ public class LoanCharge extends AbstractPersistable<Long> {
     public LoanChargeCommand toCommand() {
 
         final LocalDate specifiedDueDate = getDueForCollectionAsOfLocalDate();
-        final Set<String> modifiedParameters = new HashSet<String>();
-        return new LoanChargeCommand(modifiedParameters, this.getId(), this.loan.getId(), this.charge.getId(), this.amount,
-                this.chargeTime, this.chargeCalculation, specifiedDueDate);
+        return new LoanChargeCommand(this.charge.getId(), this.amount, this.chargeTime, this.chargeCalculation, specifiedDueDate);
     }
 
     public LocalDate getDueForCollectionAsOfLocalDate() {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/AddLoanChargeCommandHandler.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 AddLoanChargeCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public AddLoanChargeCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.addLoanCharge(command.resourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/DeleteLoanChargeCommandHandler.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 DeleteLoanChargeCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public DeleteLoanChargeCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.deleteLoanCharge(command.resourceId(), command.subResourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/UpdateLoanChargeCommandHandler.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 UpdateLoanChargeCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public UpdateLoanChargeCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.updateLoanCharge(command.resourceId(), command.subResourceId(), command);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanaccount/handler/WaiveLoanChargeCommandHandler.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 WaiveLoanChargeCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public WaiveLoanChargeCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public EntityIdentifier processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.waiveLoanCharge(command.resourceId(), command.subResourceId(), command);
+    }
+}

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

@@ -88,9 +88,9 @@ public final class CalculateLoanScheduleQueryFromApiJsonDeserializer extends Abs
                 for (int i = 0; i < array.size(); i++) {
 
                     final JsonObject loanChargeElement = array.get(i).getAsJsonObject();
-                    final Set<String> parametersPassedInForChargesCommand = new HashSet<String>();
 
-                    final Long id = fromApiJsonHelper.extractLongNamed("id", loanChargeElement);
+                    // final Long id = fromApiJsonHelper.extractLongNamed("id",
+                    // loanChargeElement);
                     final Long chargeId = fromApiJsonHelper.extractLongNamed("chargeId", loanChargeElement);
                     final BigDecimal amount = fromApiJsonHelper.extractBigDecimalNamed("amount", loanChargeElement, locale);
                     final Integer chargeTimeType = fromApiJsonHelper.extractIntegerNamed("chargeTimeType", loanChargeElement, locale);
@@ -99,8 +99,7 @@ public final class CalculateLoanScheduleQueryFromApiJsonDeserializer extends Abs
                     final LocalDate specifiedDueDate = fromApiJsonHelper.extractLocalDateNamed("specifiedDueDate", loanChargeElement,
                             dateFormat, locale);
 
-                    charges[i] = new LoanChargeCommand(parametersPassedInForChargesCommand, id, null, chargeId, amount, chargeTimeType,
-                            chargeCalculationType, specifiedDueDate);
+                    charges[i] = new LoanChargeCommand(chargeId, amount, chargeTimeType, chargeCalculationType, specifiedDueDate);
                 }
             }
         }

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

@@ -116,9 +116,9 @@ public final class LoanApplicationCommandFromApiJsonDeserializer extends Abstrac
                 for (int i = 0; i < array.size(); i++) {
 
                     final JsonObject loanChargeElement = array.get(i).getAsJsonObject();
-                    final Set<String> parametersPassedInForChargesCommand = new HashSet<String>();
 
-                    final Long id = fromApiJsonHelper.extractLongNamed("id", loanChargeElement);
+                    // final Long id = fromApiJsonHelper.extractLongNamed("id",
+                    // loanChargeElement);
                     final Long chargeId = fromApiJsonHelper.extractLongNamed("chargeId", loanChargeElement);
                     final BigDecimal amount = fromApiJsonHelper.extractBigDecimalNamed("amount", loanChargeElement, locale);
                     final Integer chargeTimeType = fromApiJsonHelper.extractIntegerNamed("chargeTimeType", loanChargeElement, locale);
@@ -127,8 +127,7 @@ public final class LoanApplicationCommandFromApiJsonDeserializer extends Abstrac
                     final LocalDate specifiedDueDate = fromApiJsonHelper.extractLocalDateNamed("specifiedDueDate", loanChargeElement,
                             dateFormat, locale);
 
-                    charges[i] = new LoanChargeCommand(parametersPassedInForChargesCommand, id, null, chargeId, amount, chargeTimeType,
-                            chargeCalculationType, specifiedDueDate);
+                    charges[i] = new LoanChargeCommand(chargeId, amount, chargeTimeType, chargeCalculationType, specifiedDueDate);
                 }
             }
         }

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

@@ -0,0 +1,60 @@
+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.LoanChargeCommand;
+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 LoanChargeCommand}'s.
+ */
+@Component
+public final class LoanChargeCommandFromApiJsonDeserializer extends AbstractFromApiJsonDeserializer<LoanChargeCommand> {
+
+    /**
+     * The parameters supported for this command.
+     */
+    final Set<String> supportedParameters = new HashSet<String>(Arrays.asList("chargeId", "amount", "chargeTimeType",
+            "chargeCalculationType", "specifiedDueDate", "locale", "dateFormat"));
+
+    private final FromJsonHelper fromApiJsonHelper;
+
+    @Autowired
+    public LoanChargeCommandFromApiJsonDeserializer(final FromJsonHelper fromApiJsonHelper) {
+        this.fromApiJsonHelper = fromApiJsonHelper;
+    }
+
+    @Override
+    public LoanChargeCommand 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 Long chargeId = fromApiJsonHelper.extractLongNamed("chargeId", element);
+        final BigDecimal amount = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("amount", element);
+        final Integer chargeTimeType = fromApiJsonHelper.extractIntegerWithLocaleNamed("chargeTimeType", element);
+        final Integer chargeCalculationType = fromApiJsonHelper.extractIntegerWithLocaleNamed("chargeCalculationType", element);
+        final LocalDate specifiedDueDate = fromApiJsonHelper.extractLocalDateNamed("specifiedDueDate", element);
+
+        return new LoanChargeCommand(chargeId, amount, chargeTimeType, chargeCalculationType, specifiedDueDate);
+    }
+}

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

@@ -3,7 +3,6 @@ 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.LoanChargeCommand;
 import org.springframework.security.access.prepost.PreAuthorize;
 
 public interface LoanWritePlatformService {
@@ -38,17 +37,13 @@ public interface LoanWritePlatformService {
 
     EntityIdentifier closeAsRescheduled(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'CREATE_LOANCHARGE')")
-    EntityIdentifier addLoanCharge(LoanChargeCommand command);
+    EntityIdentifier addLoanCharge(Long loanId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'UPDATE_LOANCHARGE')")
-    EntityIdentifier updateLoanCharge(LoanChargeCommand command);
+    EntityIdentifier updateLoanCharge(Long loanId, Long loanChargeId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'DELETE_LOANCHARGE')")
-    EntityIdentifier deleteLoanCharge(final Long loanId, final Long loanChargeId);
+    EntityIdentifier deleteLoanCharge(Long loanId, Long loanChargeId, JsonCommand command);
 
-    @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'WAIVE_LOANCHARGE')")
-    EntityIdentifier waiveLoanCharge(LoanChargeCommand command);
+    EntityIdentifier waiveLoanCharge(Long loanId, Long loanChargeId, JsonCommand command);
 
     @PreAuthorize(value = "hasAnyRole('ALL_FUNCTIONS', 'PORTFOLIO_MANAGEMENT_SUPER_USER', 'BULKREASSIGN_LOAN')")
     EntityIdentifier bulkLoanReassignment(final BulkTransferLoanOfficerCommand command);

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

@@ -33,7 +33,6 @@ import org.mifosplatform.portfolio.client.exception.ClientNotFoundException;
 import org.mifosplatform.portfolio.fund.domain.Fund;
 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.domain.DefaultLoanLifecycleStateMachine;
@@ -55,6 +54,7 @@ import org.mifosplatform.portfolio.loanaccount.loanschedule.query.CalculateLoanS
 import org.mifosplatform.portfolio.loanaccount.loanschedule.service.LoanScheduleCalculationPlatformService;
 import org.mifosplatform.portfolio.loanaccount.serialization.CalculateLoanScheduleQueryFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationCommandFromApiJsonDeserializer;
+import org.mifosplatform.portfolio.loanaccount.serialization.LoanChargeCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanStateTransitionCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanTransactionCommandFromApiJsonDeserializer;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanProduct;
@@ -78,6 +78,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
     private final CalculateLoanScheduleQueryFromApiJsonDeserializer calculateLoanScheduleQueryFromApiJsonDeserializer;
     private final LoanStateTransitionCommandFromApiJsonDeserializer loanStateTransitionCommandFromApiJsonDeserializer;
     private final LoanTransactionCommandFromApiJsonDeserializer loanTransactionCommandFromApiJsonDeserializer;
+    private final LoanChargeCommandFromApiJsonDeserializer loanChargeCommandFromApiJsonDeserializer;
     private final LoanRepository loanRepository;
     private final NoteRepository noteRepository;
     private final LoanScheduleCalculationPlatformService calculationPlatformService;
@@ -96,6 +97,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             final LoanApplicationCommandFromApiJsonDeserializer fromApiJsonDeserializer,
             final LoanStateTransitionCommandFromApiJsonDeserializer loanStateTransitionCommandFromApiJsonDeserializer,
             final LoanTransactionCommandFromApiJsonDeserializer loanTransactionCommandFromApiJsonDeserializer,
+            final LoanChargeCommandFromApiJsonDeserializer loanChargeCommandFromApiJsonDeserializer,
             final CalculateLoanScheduleQueryFromApiJsonDeserializer calculateLoanScheduleQueryFromApiJsonDeserializer,
             final AprCalculator aprCalculator, final LoanAssembler loanAssembler, final LoanChargeAssembler loanChargeAssembler,
             final LoanRepository loanRepository, final LoanTransactionRepository loanTransactionRepository,
@@ -108,6 +110,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         this.fromApiJsonDeserializer = fromApiJsonDeserializer;
         this.loanStateTransitionCommandFromApiJsonDeserializer = loanStateTransitionCommandFromApiJsonDeserializer;
         this.loanTransactionCommandFromApiJsonDeserializer = loanTransactionCommandFromApiJsonDeserializer;
+        this.loanChargeCommandFromApiJsonDeserializer = loanChargeCommandFromApiJsonDeserializer;
         this.calculateLoanScheduleQueryFromApiJsonDeserializer = calculateLoanScheduleQueryFromApiJsonDeserializer;
         this.aprCalculator = aprCalculator;
         this.loanAssembler = loanAssembler;
@@ -420,14 +423,14 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         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);
 
         if (this.isBeforeToday(transactionDate) && currentUser.canNotMakeRepaymentOnLoanInPast()) { throw new NoAuthorizationException(
@@ -443,7 +446,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             Note note = Note.loanTransactionNote(loan, loanRepayment, noteText);
             this.noteRepository.save(note);
         }
-        
+
         changes.put("locale", command.locale());
         changes.put("dateFormat", command.dateFormat());
 
@@ -459,7 +462,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         final LoanTransactionCommand loanTransactionCommand = this.loanTransactionCommandFromApiJsonDeserializer.commandFromApiJson(command
                 .json());
         loanTransactionCommand.validate();
-        
+
         final Loan loan = retrieveLoanBy(loanId);
 
         final LoanTransaction transactionToAdjust = this.loanTransactionRepository.findOne(transactionId);
@@ -467,13 +470,13 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
         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);
+
+        final LoanTransaction newTransactionDetail = loan.adjustExistingTransaction(transactionDate, transactionAmount,
+                defaultLoanLifecycleStateMachine(), transactionToAdjust);
         if (newTransactionDetail.isGreaterThanZero(loan.getPrincpal().getCurrency())) {
             this.loanTransactionRepository.save(newTransactionDetail);
         }
@@ -489,7 +492,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
         changes.put("locale", command.locale());
         changes.put("dateFormat", command.dateFormat());
-        
+
         return EntityIdentifier.subResourceResult(loanId, transactionId, command.commandId(), changes);
     }
 
@@ -502,7 +505,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         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"));
@@ -520,7 +523,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             final Note note = Note.loanTransactionNote(loan, waiveTransaction, noteText);
             this.noteRepository.save(note);
         }
-        
+
         changes.put("locale", command.locale());
         changes.put("dateFormat", command.dateFormat());
 
@@ -535,7 +538,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         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"));
 
@@ -570,7 +573,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         loanTransactionCommand.validateNonMonetaryTransaction();
 
         final Loan loan = retrieveLoanBy(loanId);
-        
+
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
 
@@ -586,17 +589,17 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             final Note note = Note.loanNote(loan, noteText);
             this.noteRepository.save(note);
         }
-        
+
         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;
     }
 
@@ -610,7 +613,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         loanTransactionCommand.validateNonMonetaryTransaction();
 
         final Loan loan = retrieveLoanBy(loanId);
-        
+
         final Map<String, Object> changes = new LinkedHashMap<String, Object>();
         changes.put("transactionDate", command.stringValueOfParameterNamed("transactionDate"));
 
@@ -624,7 +627,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             final Note note = Note.loanNote(loan, noteText);
             this.noteRepository.save(note);
         }
-        
+
         changes.put("locale", command.locale());
         changes.put("dateFormat", command.dateFormat());
 
@@ -633,72 +636,68 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 
     @Transactional
     @Override
-    public EntityIdentifier addLoanCharge(final LoanChargeCommand command) {
+    public EntityIdentifier addLoanCharge(final Long loanId, final JsonCommand command) {
         this.context.authenticatedUser();
 
-        LoanChargeCommandValidator validator = new LoanChargeCommandValidator(command);
-        validator.validateForCreate();
+        final LoanChargeCommand loanChargeCommand = this.loanChargeCommandFromApiJsonDeserializer.commandFromApiJson(command.json());
+        loanChargeCommand.validateForCreate();
 
-        final Loan loan = this.loanRepository.findOne(command.getLoanId());
-        if (loan == null) { throw new LoanNotFoundException(command.getLoanId()); }
-
-        final Charge chargeDefinition = this.chargeRepository.findOne(command.getChargeId());
-        if (chargeDefinition == null || chargeDefinition.isDeleted()) { throw new ChargeNotFoundException(command.getChargeId()); }
+        final Loan loan = retrieveLoanBy(loanId);
 
+        final Long chargeDefinitionId = command.longValueOfParameterNamed("chargeId");
+        final Charge chargeDefinition = this.chargeRepository.findOne(chargeDefinitionId);
+        if (chargeDefinition == null || chargeDefinition.isDeleted()) { throw new ChargeNotFoundException(chargeDefinitionId); }
         if (!chargeDefinition.isActive()) { throw new ChargeIsNotActiveException(chargeDefinition.getId(), chargeDefinition.getName()); }
 
-        final LoanCharge loanCharge = LoanCharge.createNew(loan, chargeDefinition, command);
+        final LoanCharge loanCharge = LoanCharge.createNewFromJson(loan, chargeDefinition, command);
 
         if (!loan.hasCurrencyCodeOf(chargeDefinition.getCurrencyCode())) {
             String errorMessage = "Charge and Loan must have the same currency.";
             throw new InvalidCurrencyException("charge", "attach.to.loan", errorMessage);
         }
 
+        this.loanChargeRepository.save(loanCharge);
+        
         loan.addLoanCharge(loanCharge);
-        this.loanRepository.saveAndFlush(loan);
+        this.loanRepository.save(loan);
 
-        return new EntityIdentifier(loanCharge.getId());
+        return EntityIdentifier.subResourceResult(loanId, loanCharge.getId(), command.commandId());
     }
 
     @Transactional
     @Override
-    public EntityIdentifier updateLoanCharge(final LoanChargeCommand command) {
+    public EntityIdentifier updateLoanCharge(final Long loanId, final Long loanChargeId, final JsonCommand command) {
 
         this.context.authenticatedUser();
 
-        LoanChargeCommandValidator validator = new LoanChargeCommandValidator(command);
-        validator.validateForUpdate();
+        final LoanChargeCommand loanChargeCommand = this.loanChargeCommandFromApiJsonDeserializer.commandFromApiJson(command.json());
+        loanChargeCommand.validateForUpdate();
 
-        final Long loanId = command.getLoanId();
         final Loan loan = retrieveLoanBy(loanId);
-
-        final Long loanChargeId = command.getId();
         final LoanCharge loanCharge = retrieveLoanChargeBy(loanId, loanChargeId);
 
-        loan.updateLoanCharge(loanCharge, command);
+        final Map<String, Object> changes = loan.updateLoanCharge(loanCharge, command);
 
         this.loanRepository.save(loan);
 
-        return new EntityIdentifier(loanCharge.getId());
+        return EntityIdentifier.subResourceResult(loanId, loanChargeId, command.commandId(), changes);
     }
 
     @Transactional
     @Override
-    public EntityIdentifier waiveLoanCharge(final LoanChargeCommand command) {
+    public EntityIdentifier waiveLoanCharge(final Long loanId, final Long loanChargeId, final JsonCommand command) {
 
         this.context.authenticatedUser();
 
-        // LoanChargeCommandValidator validator = new
-        // LoanChargeCommandValidator(command);
-        // validator.validateForUpdate();
+        final LoanChargeCommand loanChargeCommand = this.loanChargeCommandFromApiJsonDeserializer.commandFromApiJson(command.json());
+        loanChargeCommand.validateForUpdate();
 
-        final Long loanId = command.getLoanId();
         final Loan loan = retrieveLoanBy(loanId);
-
-        final Long loanChargeId = command.getId();
         final LoanCharge loanCharge = retrieveLoanChargeBy(loanId, loanChargeId);
+        
+        final Map<String, Object> changes = new LinkedHashMap<String, Object>(3);
 
-        final LoanTransaction waiveTransaction = loan.waiveLoanCharge(loanCharge, defaultLoanLifecycleStateMachine());
+        final LoanTransaction waiveTransaction = loan.waiveLoanCharge(loanCharge, defaultLoanLifecycleStateMachine(), changes);
 
         this.loanTransactionRepository.save(waiveTransaction);
         this.loanRepository.save(loan);
@@ -709,23 +708,22 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
             this.noteRepository.save(note);
         }
 
-        return new EntityIdentifier(loanCharge.getId());
+        return EntityIdentifier.subResourceResult(loanId, loanChargeId, command.commandId(), changes);
     }
 
     @Transactional
     @Override
-    public EntityIdentifier deleteLoanCharge(final Long loanId, final Long loanChargeId) {
+    public EntityIdentifier deleteLoanCharge(final Long loanId, final Long loanChargeId, final JsonCommand command) {
 
         this.context.authenticatedUser();
 
         final Loan loan = retrieveLoanBy(loanId);
-
         final LoanCharge loanCharge = retrieveLoanChargeBy(loanId, loanChargeId);
 
         loan.removeLoanCharge(loanCharge);
         this.loanRepository.save(loan);
 
-        return new EntityIdentifier(loanCharge.getId());
+        return EntityIdentifier.subResourceResult(loanId, loanChargeId, command.commandId());
     }
 
     private Loan retrieveLoanBy(final Long loanId) {