Merge branch 'chandrikamohith-TrancheDisbursal' into develop

api-docs/apiLive.htm

@@ -8545,6 +8545,9 @@ Request Body:
 						<tr class=alt>
 							<td>approvedLoanAmount</td>
 						</tr>
+						<tr class=alt>
+							<td>expectedDisbursementDate</td>
+						</tr>	
 					</table>
 				</div>
 				<div class="method-example">
@@ -8559,7 +8562,10 @@ Request Body:
     "locale": "en",
     "dateFormat": "dd MMMM yyyy",
     "approvedOnDate": "20 September 2011",
-    "note": "Loan approval note"
+    "expectedDisbursementDate" : "20 September 2011",
+    "note": "Loan approval note",
+    "disbursementData" : [{ id=226, principal="5", expectedDisbursementDate="20 September 2011"},
+    { id=227, principal="91", expectedDisbursementDate="21 September 2011"}]
 }
 </code>
 					<code class="method-response">

mifosng-provider/src/integrationTest/java/org/mifosplatform/integrationtests/LoanApplicationApprovalTest.java

@@ -5,6 +5,7 @@
  */
 package org.mifosplatform.integrationtests;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
@@ -32,6 +33,7 @@ public class LoanApplicationApprovalTest {
 
     private ResponseSpecification responseSpec;
     private ResponseSpecification responseSpecForStatusCode403;
+    private ResponseSpecification responseSpecForStatusCode400;
     private RequestSpecification requestSpec;
     private LoanTransactionHelper loanTransactionHelper;
 
@@ -42,6 +44,7 @@ public class LoanApplicationApprovalTest {
         this.requestSpec.header("Authorization", "Basic " + Utils.loginIntoServerAndGetBase64EncodedAuthenticationKey());
         this.responseSpec = new ResponseSpecBuilder().expectStatusCode(200).build();
         this.responseSpecForStatusCode403 = new ResponseSpecBuilder().expectStatusCode(403).build();
+        this.responseSpecForStatusCode400 = new ResponseSpecBuilder().expectStatusCode(400).build();
         this.loanTransactionHelper = new LoanTransactionHelper(this.requestSpec, this.responseSpec);
     }
 
@@ -63,7 +66,9 @@ public class LoanApplicationApprovalTest {
         HashMap loanStatusHashMap = LoanStatusChecker.getStatusOfLoan(this.requestSpec, this.responseSpec, loanID);
         LoanStatusChecker.verifyLoanIsPending(loanStatusHashMap);
 
-        loanStatusHashMap = this.loanTransactionHelper.approveLoanWithApproveAmount(approveDate, approvalAmount, loanID);
+        final String expectedDisbursementDate = null;
+        List<HashMap> approveTranches = null;
+        loanStatusHashMap = this.loanTransactionHelper.approveLoanWithApproveAmount(approveDate,expectedDisbursementDate, approvalAmount, loanID, approveTranches);
         LoanStatusChecker.verifyLoanIsWaitingForDisbursal(loanStatusHashMap);
 
     }
@@ -97,6 +102,161 @@ public class LoanApplicationApprovalTest {
         
     }
 
+	private HashMap createTrancheDetail(final String date, final String amount) {
+		HashMap<String, Object> detail = new HashMap<>();
+		detail.put("expectedDisbursementDate", date);
+		detail.put("principal", amount);
+
+		return detail;
+	}
+    
+    @Test
+    public void loanApplicationApprovalAndValidationForMultiDisburseLoans() {
+        
+        List<HashMap> createTranches = new ArrayList<>();
+        createTranches.add(createTrancheDetail("1 March 2014", "1000"));
+        createTranches.add(createTrancheDetail("23 March 2014", "4000"));
+         
+        final Integer clientID = ClientHelper.createClient(this.requestSpec, this.responseSpec, "01 January 2014");
+        System.out.println("---------------------------------CLIENT CREATED WITH ID---------------------------------------------------"+clientID);
+
+        final Integer loanProductID = this.loanTransactionHelper.getLoanProductId(new LoanProductTestBuilder()
+        		.withInterestTypeAsDecliningBalance().
+        		withTranches(true).build(null));
+        System.out.println("----------------------------------LOAN PRODUCT CREATED WITH ID-------------------------------------------"+loanProductID);
+        
+    	this.trancheLoansApprovedAmountLesserThanProposedAmount(clientID, loanProductID, createTranches);
+    	this.trancheLoansApprovalValidation(clientID, loanProductID, createTranches);
+     
+    }
+    
+	private void trancheLoansApprovedAmountLesserThanProposedAmount(
+			Integer clientID, Integer loanProductID,
+			List<HashMap> createTranches) {
+		final String proposedAmount = "5000";
+		final String approvalAmount = "2000";
+		final String approveDate = "1 March 2014";
+		final String expectedDisbursementDate = "1 March 2014";
+
+		List<HashMap> approveTranches = new ArrayList<>();
+		approveTranches.add(createTrancheDetail("1 March 2014", "1000"));
+		approveTranches.add(createTrancheDetail("23 March 2014", "1000"));
+
+		final Integer loanID = applyForLoanApplicationWithTranches(clientID,
+				loanProductID, proposedAmount, createTranches);
+		System.out
+				.println("-----------------------------------LOAN CREATED WITH LOANID-------------------------------------------------"
+						+ loanID);
+
+		HashMap loanStatusHashMap = LoanStatusChecker.getStatusOfLoan(
+				this.requestSpec, this.responseSpec, loanID);
+		LoanStatusChecker.verifyLoanIsPending(loanStatusHashMap);
+
+		System.out
+				.println("-----------------------------------APPROVE LOAN-----------------------------------------------------------");
+		loanStatusHashMap = this.loanTransactionHelper
+				.approveLoanWithApproveAmount(approveDate,
+						expectedDisbursementDate, approvalAmount, loanID,
+						approveTranches);
+		LoanStatusChecker.verifyLoanIsApproved(loanStatusHashMap);
+		LoanStatusChecker.verifyLoanIsWaitingForDisbursal(loanStatusHashMap);
+		System.out
+				.println("-----------------------------------MULTI DISBURSAL LOAN APPROVED SUCCESSFULLY---------------------------------------");
+
+	}
+
+	private void trancheLoansApprovalValidation(Integer clientID,
+			Integer loanProductID, List<HashMap> createTranches) {
+		final String proposedAmount = "5000";
+		final String approvalAmount1 = "10000";
+		final String approvalAmount2 = "3000";
+		final String approvalAmount3 = "400";
+		final String approvalAmount4 = "200";
+		final String approvalAmount5 = "400";
+
+		final String approveDate = "1 March 2014";
+		final String expectedDisbursementDate = "1 March 2014";
+
+		List<HashMap> approveTranche1 = new ArrayList<>();
+		approveTranche1.add(createTrancheDetail("1 March 2014", "5000"));
+		approveTranche1.add(createTrancheDetail("23 March 2014", "5000"));
+
+		List<HashMap> approveTranche2 = new ArrayList<>();
+		approveTranche2.add(createTrancheDetail("1 March 2014", "1000"));
+		approveTranche2.add(createTrancheDetail("23 March 2014", "1000"));
+		approveTranche2.add(createTrancheDetail("23 March 2014", "1000"));
+
+		List<HashMap> approveTranche3 = new ArrayList<>();
+		approveTranche3.add(createTrancheDetail("1 March 2014", "100"));
+		approveTranche3.add(createTrancheDetail("23 March 2014", "100"));
+		approveTranche3.add(createTrancheDetail("24 March 2014", "100"));
+		approveTranche3.add(createTrancheDetail("25 March 2014", "100"));
+
+		List<HashMap> approveTranche4 = new ArrayList<>();
+		approveTranche4.add(createTrancheDetail("1 March 2014", "100"));
+		approveTranche4.add(createTrancheDetail("23 March 2014", "100"));
+		approveTranche4.add(createTrancheDetail("24 March 2014", "100"));
+
+		List<HashMap> approveTranche5 = new ArrayList<>();
+
+		final Integer loanID = applyForLoanApplicationWithTranches(clientID,
+				loanProductID, proposedAmount, createTranches);
+		System.out
+				.println("-----------------------------------LOAN CREATED WITH LOANID-------------------------------------------------"
+						+ loanID);
+
+		HashMap<String, Object> loanStatusHashMap = LoanStatusChecker
+				.getStatusOfLoan(this.requestSpec, this.responseSpec, loanID);
+		LoanStatusChecker.verifyLoanIsPending(loanStatusHashMap);
+
+		System.out
+				.println("-----------------------------------APPROVE LOAN-----------------------------------------------------------");
+		this.loanTransactionHelper = new LoanTransactionHelper(
+				this.requestSpec, this.responseSpecForStatusCode400);
+
+		/* Tranches with same expected disbursement date */
+		List<HashMap<String, Object>> error = this.loanTransactionHelper
+				.approveLoanForTranches(approveDate, expectedDisbursementDate,
+						approvalAmount2, loanID, approveTranche2,
+						CommonConstants.RESPONSE_ERROR);
+		assertEquals(
+				"validation.msg.loan.expectedDisbursementDate.disbursement.date.must.be.unique.for.tranches",
+				error.get(0).get(CommonConstants.RESPONSE_ERROR_MESSAGE_CODE));
+
+		/* Sum of tranches is greater than approved amount */
+		error = this.loanTransactionHelper.approveLoanForTranches(approveDate,
+				expectedDisbursementDate, approvalAmount4, loanID,
+				approveTranche4, CommonConstants.RESPONSE_ERROR);
+		assertEquals(
+				"validation.msg.loan.principal.sum.of.multi.disburse.amounts.must.be.equal.to.or.lesser.than.approved.principal",
+				error.get(0).get(CommonConstants.RESPONSE_ERROR_MESSAGE_CODE));
+
+		this.loanTransactionHelper = new LoanTransactionHelper(
+				this.requestSpec, this.responseSpecForStatusCode403);
+
+		/* Sum of tranches exceeds the proposed amount */
+		error = this.loanTransactionHelper.approveLoanForTranches(approveDate,
+				expectedDisbursementDate, approvalAmount1, loanID,
+				approveTranche1, CommonConstants.RESPONSE_ERROR);
+		assertEquals(
+				"error.msg.loan.approval.amount.can't.be.greater.than.loan.amount.demanded",
+				error.get(0).get(CommonConstants.RESPONSE_ERROR_MESSAGE_CODE));
+
+		/* No. of tranches exceeds the max tranche count at product level */
+		error = this.loanTransactionHelper.approveLoanForTranches(approveDate,
+				expectedDisbursementDate, approvalAmount3, loanID,
+				approveTranche3, CommonConstants.RESPONSE_ERROR);
+		assertEquals("error.msg.disbursementData.exceeding.max.tranche.count",
+				error.get(0).get(CommonConstants.RESPONSE_ERROR_MESSAGE_CODE));
+
+		/* If tranches are not specified for a multi-disburse loan */
+		error = this.loanTransactionHelper.approveLoanForTranches(approveDate,
+				expectedDisbursementDate, approvalAmount5, loanID,
+				approveTranche5, CommonConstants.RESPONSE_ERROR);
+		assertEquals("error.msg.disbursementData.required",
+				error.get(0).get(CommonConstants.RESPONSE_ERROR_MESSAGE_CODE));
+	}
+    
     private Integer applyForLoanApplication(final Integer clientID, final Integer loanProductID, final String proposedAmount) {
         final String loanApplication = new LoanApplicationTestBuilder().withPrincipal(proposedAmount).withLoanTermFrequency("5")
                 .withLoanTermFrequencyAsMonths().withNumberOfRepayments("5").withRepaymentEveryAfter("1")
@@ -104,4 +264,30 @@ public class LoanApplicationApprovalTest {
                 .withSubmittedOnDate("02 April 2012").build(clientID.toString(), loanProductID.toString(), null);
         return this.loanTransactionHelper.getLoanId(loanApplication);
     }
+
+	private Integer applyForLoanApplicationWithTranches(final Integer clientID,
+			final Integer loanProductID, String principal,
+			List<HashMap> tranches) {
+		System.out
+				.println("--------------------------------APPLYING FOR LOAN APPLICATION--------------------------------");
+		final String loanApplicationJSON = new LoanApplicationTestBuilder()
+				//
+				.withPrincipal(principal)
+				//
+				.withLoanTermFrequency("5")
+				//
+				.withLoanTermFrequencyAsMonths()
+				//
+				.withNumberOfRepayments("5").withRepaymentEveryAfter("1")
+				.withRepaymentFrequencyTypeAsMonths() //
+				.withInterestRatePerPeriod("2") //
+				.withExpectedDisbursementDate("1 March 2014") //
+				.withTranches(tranches) //
+				.withInterestTypeAsDecliningBalance() //
+				.withSubmittedOnDate("1 March 2014") //
+				.build(clientID.toString(), loanProductID.toString(), null);
+
+		return this.loanTransactionHelper.getLoanId(loanApplicationJSON);
+	}
+
 }

mifosng-provider/src/integrationTest/java/org/mifosplatform/integrationtests/common/loans/LoanProductTestBuilder.java

@@ -77,7 +77,7 @@ public class LoanProductTestBuilder {
 
     private Boolean multiDisburseLoan = false;
     private final String outstandingLoanBalance = "35000";
-    private final String maxTrancheCount = "35000";
+    private final String maxTrancheCount = "3";
 
     private Boolean isInterestRecalculationEnabled = false;
     private String daysInYearType = "1";

mifosng-provider/src/integrationTest/java/org/mifosplatform/integrationtests/common/loans/LoanStatusChecker.java

@@ -46,7 +46,7 @@ public class LoanStatusChecker {
         assertTrue(getStatus(loanStatusHashMap, "overpaid"));
     }
 
-    public static HashMap getStatusOfLoan(final RequestSpecification requestSpec, final ResponseSpecification responseSpec,
+    public static HashMap<String, Object> getStatusOfLoan(final RequestSpecification requestSpec, final ResponseSpecification responseSpec,
             final Integer loanID) {
         final String url = "/mifosng-provider/api/v1/loans/" + loanID + "?" + Utils.TENANT_IDENTIFIER;
         return Utils.performServerGet(requestSpec, responseSpec, url, "status");

mifosng-provider/src/integrationTest/java/org/mifosplatform/integrationtests/common/loans/LoanTransactionHelper.java

@@ -10,6 +10,7 @@ import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 import org.joda.time.LocalDate;
 import org.mifosplatform.integrationtests.common.Utils;
@@ -107,15 +108,22 @@ public class LoanTransactionHelper {
         return performLoanTransaction(createLoanOperationURL(APPROVE_LOAN_COMMAND, loanID), getApproveLoanAsJSON(approvalDate));
     }
 
-    public HashMap approveLoanWithApproveAmount(final String approvalDate, final String approvalAmount, final Integer loanID) {
+    public HashMap approveLoanWithApproveAmount(final String approvalDate, final String expectedDisbursementDate, final String approvalAmount, final Integer loanID, 
+    		List<HashMap> tranches) {
         return performLoanTransaction(createLoanOperationURL(APPROVE_LOAN_COMMAND, loanID),
-                getApproveLoanAsJSON(approvalDate, approvalAmount));
+                getApproveLoanAsJSON(approvalDate, expectedDisbursementDate, approvalAmount, tranches));
+    }
+    
+    public List<HashMap<String, Object>> approveLoanForTranches(final String approvalDate, final String expectedDisbursementDate, final String approvalAmount, final Integer loanID, 
+    		List<HashMap> tranches, final String responseAttribute) {
+    	return (List<HashMap<String, Object>>) performLoanTransaction(createLoanOperationURL(APPROVE_LOAN_COMMAND, loanID),
+                getApproveLoanAsJSON(approvalDate, expectedDisbursementDate, approvalAmount, tranches), responseAttribute);
     }
 
     public Object approveLoan(final String approvalDate, final String approvalAmount, final Integer loanID, final String responseAttribute) {
 
         final String approvalURL = createLoanOperationURL(APPROVE_LOAN_COMMAND, loanID);
-        final String approvalJSONData = getApproveLoanAsJSON(approvalDate, approvalAmount);
+        final String approvalJSONData = getApproveLoanAsJSON(approvalDate,null, approvalAmount, null);
 
         return performLoanTransaction(approvalURL, approvalJSONData, responseAttribute);
     }
@@ -225,17 +233,24 @@ public class LoanTransactionHelper {
     }
 
     private String getApproveLoanAsJSON(final String approvalDate) {
-        return getApproveLoanAsJSON(approvalDate, null);
+        return getApproveLoanAsJSON(approvalDate,null, null, null);
     }
 
-    private String getApproveLoanAsJSON(final String approvalDate, final String approvalAmount) {
-        final HashMap<String, String> map = new HashMap<>();
+    private String getApproveLoanAsJSON(final String approvalDate, final String expectedDisbursementDate, final String approvalAmount, 
+    		List<HashMap> tranches) {
+        final HashMap<String, Object> map = new HashMap<>();
         map.put("locale", "en");
         map.put("dateFormat", "dd MMMM yyyy");
         if (approvalAmount != null) {
             map.put("approvedLoanAmount", approvalAmount);
         }
         map.put("approvedOnDate", approvalDate);
+        if(expectedDisbursementDate != null){
+        	map.put("expectedDisbursementDate", expectedDisbursementDate);
+        }
+        if(tranches != null && tranches.size() > 0){
+	        map.put("disbursementData",tranches);
+        }
         map.put("note", "Approval NOTE");
         return new Gson().toJson(map);
     }
@@ -392,7 +407,7 @@ public class LoanTransactionHelper {
     private Object performLoanTransaction(final String postURLForLoanTransaction, final String jsonToBeSent, final String responseAttribute) {
         return Utils.performServerPost(this.requestSpec, this.responseSpec, postURLForLoanTransaction, jsonToBeSent, responseAttribute);
     }
-
+    
     public Object adjustLoanTransaction(final Integer loanId, final Integer transactionId, final String date,
             final String transactionAmount, final String responseAttribute) {
         return adjustLoanTransaction(loanId, transactionId, getAdjustTransactionJSON(date, transactionAmount), responseAttribute);

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

@@ -488,9 +488,13 @@ public class CommandWrapper {
     }
 
     public boolean isUpdateDisbursementDate() {
-        return this.actionName.equalsIgnoreCase("UPDATE") && this.entityName.equalsIgnoreCase("DISBURSEMENTDETAIL");
+        return this.actionName.equalsIgnoreCase("UPDATE") && this.entityName.equalsIgnoreCase("DISBURSEMENTDETAIL") && this.entityId != null;
     }
-
+    
+    public boolean addAndDeleteDisbursementDetails() {
+        return this.actionName.equalsIgnoreCase("UPDATE") && this.entityName.equalsIgnoreCase("DISBURSEMENTDETAIL") && this.entityId == null;
+    }
+    
     public boolean isStandingInstruction() {
         return this.entityName.equalsIgnoreCase("STANDINGINSTRUCTION");
     }

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

@@ -740,6 +740,15 @@ public class CommandWrapperBuilder {
         return this;
     }
 
+    public CommandWrapperBuilder addAndDeleteDisbursementDetails(final Long loanId) {
+        this.actionName = "UPDATE";
+        this.entityName = "DISBURSEMENTDETAIL";
+        this.entityId = null;
+        this.loanId = loanId;    
+        this.href = "/loans/" + loanId + "/editdisbursementdetails/";
+        return this;
+    }
+
     public CommandWrapperBuilder deleteLoanApplication(final Long loanId) {
         this.actionName = "DELETE";
         this.entityName = "LOAN";

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

@@ -445,6 +445,9 @@ public class SynchronousCommandProcessingService implements CommandProcessingSer
             if (wrapper.isUpdateDisbursementDate()) {
                 handler = this.applicationContext.getBean("updateLoanDisbuseDateCommandHandler", NewCommandSourceHandler.class);
             }
+            if(wrapper.addAndDeleteDisbursementDetails()){
+                handler = this.applicationContext.getBean("addAndDeleteLoanDisburseDetailsCommandHandler", NewCommandSourceHandler.class);
+            }
         } else if (wrapper.isGLAccountResource()) {
             if (wrapper.isCreate()) {
                 handler = this.applicationContext.getBean("createGLAccountCommandHandler", NewCommandSourceHandler.class);

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

@@ -12,6 +12,8 @@ public interface LoanApiConstants {
     public static final String disbursementDataParameterName = "disbursementData";
     public static final String disbursementDateParameterName = "expectedDisbursementDate";
     public static final String disbursementPrincipalParameterName = "principal";
+    public static final String updatedDisbursementDateParameterName = "updatedExpectedDisbursementDate";
+    public static final String updatedDisbursementPrincipalParameterName = "updatedPrincipal";
     public static final String disbursementIdParameterName = "id";
     public static final String principalDisbursedParameterName = "transactionAmount";
 
@@ -37,5 +39,9 @@ public interface LoanApiConstants {
     public static final String PRINCIPAL_AMOUNT_SHOULD_BE_SAME = "sum.of.multi.disburse.amounts.must.equal.with.total.principal";
     public static final String DISBURSEMENT_DATE_UNIQUE_ERROR = "disbursement.date.must.be.unique.for.tranches";
     public static final String ALREADY_DISBURSED = "can.not.change.disbursement.date";
+    public static final String APPROVED_AMOUNT_IS_LESS_THAN_SUM_OF_TRANCHES = "sum.of.multi.disburse.amounts.must.be.equal.to.or.lesser.than.approved.principal";
+    public static final String DISBURSEMENT_DATES_NOT_IN_ORDER = "disbursements.should.be.ordered.based.on.their.disbursement.dates";
+    public static final String DISBURSEMENT_DATE_BEFORE_ERROR = "disbursement.date.of.tranche.cannot.be.before.expected.disbursement.date";
+
 
 }

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

@@ -11,10 +11,12 @@ import java.util.Set;
 
 import javax.ws.rs.Consumes;
 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.UriInfo;
@@ -66,15 +68,29 @@ public class LoanDisbursementDetailApiResource {
     @Produces({ MediaType.APPLICATION_JSON })
     public String updateDisbursementDate(@PathParam("loanId") final Long loanId, @PathParam("disbursementId") final Long disbursementId,
             final String apiRequestBodyAsJson) {
-
-        final CommandWrapper commandRequest = new CommandWrapperBuilder().updateDisbusementDate(loanId, disbursementId)
-                .withJson(apiRequestBodyAsJson).build();
+    	
+    	final CommandWrapper commandRequest = new CommandWrapperBuilder().updateDisbusementDate(loanId, disbursementId)
+                    .withJson(apiRequestBodyAsJson).build();
 
         final CommandProcessingResult result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);
 
         return this.toApiJsonSerializer.serialize(result);
     }
+   
+    @PUT
+    @Path("editDisbursements")
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @Produces({ MediaType.APPLICATION_JSON })
+    public String addAndDeleteDisbursementDetail(@PathParam("loanId") final Long loanId, final String apiRequestBodyAsJson) {
 
+    	CommandWrapper commandRequest = new CommandWrapperBuilder().addAndDeleteDisbursementDetails(loanId)
+                    .withJson(apiRequestBodyAsJson).build();
+
+        final CommandProcessingResult result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);
+
+        return this.toApiJsonSerializer.serialize(result);
+    }
+    
     @GET
     @Path("{disbursementId}")
     @Consumes({ MediaType.APPLICATION_JSON })

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

@@ -19,16 +19,13 @@ public class DisbursementData implements Comparable<DisbursementData> {
     private final LocalDate expectedDisbursementDate;
     private final LocalDate actualDisbursementDate;
     private final BigDecimal principal;
-    @SuppressWarnings("unused")
-    private final BigDecimal approvedPrincipal;
 
     public DisbursementData(Long id, final LocalDate expectedDisbursementDate, final LocalDate actualDisbursementDate,
-            final BigDecimal principalDisbursed, final BigDecimal approvedPrincipal) {
+            final BigDecimal principalDisbursed) {
         this.id = id;
         this.expectedDisbursementDate = expectedDisbursementDate;
         this.actualDisbursementDate = actualDisbursementDate;
         this.principal = principalDisbursed;
-        this.approvedPrincipal = approvedPrincipal;
     }
 
     public LocalDate disbursementDate() {
@@ -42,7 +39,7 @@ public class DisbursementData implements Comparable<DisbursementData> {
     public BigDecimal amount() {
         return this.principal;
     }
-
+    
     public boolean isDisbursed() {
         return this.actualDisbursementDate != null;
     }

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

@@ -133,6 +133,6 @@ public class LoanApplicationTimelineData {
     public RepaymentScheduleRelatedLoanData repaymentScheduleRelatedData(final CurrencyData currency, final BigDecimal principal,
             final BigDecimal approvedPrincipal, final BigDecimal inArrearsTolerance, final BigDecimal totalFeeChargesAtDisbursement) {
         return new RepaymentScheduleRelatedLoanData(this.expectedDisbursementDate, this.actualDisbursementDate, currency, principal,
-                approvedPrincipal, inArrearsTolerance, totalFeeChargesAtDisbursement);
+                 inArrearsTolerance, totalFeeChargesAtDisbursement);
     }
 }

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

@@ -19,18 +19,16 @@ public class RepaymentScheduleRelatedLoanData {
     private final LocalDate actualDisbursementDate;
     private final CurrencyData currency;
     private final BigDecimal principal;
-    private final BigDecimal approvedPrincipal;
     private final BigDecimal inArrearsTolerance;
     private final BigDecimal totalFeeChargesAtDisbursement;
 
     public RepaymentScheduleRelatedLoanData(final LocalDate expectedDisbursementDate, final LocalDate actualDisbursementDate,
-            final CurrencyData currency, final BigDecimal principal, final BigDecimal approvedPrincipal,
+            final CurrencyData currency, final BigDecimal principal,
             final BigDecimal inArrearsTolerance, final BigDecimal totalFeeChargesAtDisbursement) {
         this.expectedDisbursementDate = expectedDisbursementDate;
         this.actualDisbursementDate = actualDisbursementDate;
         this.currency = currency;
         this.principal = principal;
-        this.approvedPrincipal = approvedPrincipal;
         this.inArrearsTolerance = inArrearsTolerance;
         this.totalFeeChargesAtDisbursement = totalFeeChargesAtDisbursement;
     }
@@ -64,7 +62,6 @@ public class RepaymentScheduleRelatedLoanData {
     }
 
     public DisbursementData disbursementData() {
-        return new DisbursementData(null, this.expectedDisbursementDate, this.actualDisbursementDate, this.principal,
-                this.approvedPrincipal);
+        return new DisbursementData(null, this.expectedDisbursementDate, this.actualDisbursementDate, this.principal);
     }
 }

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

@@ -1392,11 +1392,13 @@ public class Loan extends AbstractPersistable<Long> {
                 this.maxOutstandingLoanBalance = command
                         .bigDecimalValueOfParameterNamed(LoanApiConstants.maxOutstandingBalanceParameterName);
             }
-            if (this.disbursementDetails.isEmpty()) {
+            final JsonArray disbursementDataArray = command.arrayOfParameterNamed(LoanApiConstants.disbursementDataParameterName);
+
+            if (disbursementDataArray == null || disbursementDataArray.size() == 0) {
                 final String errorMessage = "For this loan product, disbursement details must be provided";
                 throw new MultiDisbursementDataRequiredException(LoanApiConstants.disbursementDataParameterName, errorMessage);
             }
-            if (disbursementDetails.size() > loanProduct.maxTrancheCount()) {
+            if (disbursementDataArray.size() > loanProduct.maxTrancheCount()) {
                 final String errorMessage = "Number of tranche shouldn't be greter than " + loanProduct.maxTrancheCount();
                 throw new ExceedingTrancheCountException(LoanApiConstants.disbursementDataParameterName, errorMessage,
                         loanProduct.maxTrancheCount(), disbursementDetails.size());
@@ -1531,7 +1533,7 @@ public class Loan extends AbstractPersistable<Long> {
         return amount;
     }
 
-    private void updateDisbursementDetails(final JsonCommand command, final Map<String, Object> actualChanges) {
+    public void updateDisbursementDetails(final JsonCommand command, final Map<String, Object> actualChanges) {
 
         List<Long> list = fetchDisbursementIds();
 
@@ -1588,22 +1590,27 @@ public class Loan extends AbstractPersistable<Long> {
                             && StringUtils.isNotBlank((jsonObject.get(LoanApiConstants.disbursementIdParameterName).getAsString()))) {
                         id = jsonObject.getAsJsonPrimitive(LoanApiConstants.disbursementIdParameterName).getAsLong();
                     }
-                    LoanDisbursementDetails disbursementDetails = new LoanDisbursementDetails(expectedDisbursementDate, null, principal);
-                    if (id == null) {
-                        disbursementDetails.updateLoan(this);
-                        this.disbursementDetails.add(disbursementDetails);
-                        actualChanges.put(LoanApiConstants.disbursementDataParameterName, expectedDisbursementDate + "-" + principal);
-                        actualChanges.put("recalculateLoanSchedule", true);
-                    } else {
-                        list.remove(id);
+                    if(id != null){
                         LoanDisbursementDetails loanDisbursementDetail = fetchLoanDisbursementsById(id);
-                        if (!loanDisbursementDetail.equals(disbursementDetails)) {
-                            loanDisbursementDetail.copy(disbursementDetails);
-                            actualChanges.put("disbursementDetailId", id);
-                            actualChanges.put("recalculateLoanSchedule", true);
+                        list.remove(id);
+                        if(loanDisbursementDetail.actualDisbursementDate() == null){
+                        	Date actualDisbursementDate = null;
+                            LoanDisbursementDetails disbursementDetails = new LoanDisbursementDetails(expectedDisbursementDate, actualDisbursementDate, principal);
+                            if (!loanDisbursementDetail.equals(disbursementDetails)) {
+                                loanDisbursementDetail.copy(disbursementDetails);
+                                actualChanges.put("disbursementDetailId", id);
+                                actualChanges.put("recalculateLoanSchedule", true);
+                            }
                         }
                     }
-                    i++;
+                    else{
+                    	Date actualDisbursementDate = null;
+                        LoanDisbursementDetails disbursementDetails = new LoanDisbursementDetails(expectedDisbursementDate, actualDisbursementDate, principal);
+                            disbursementDetails.updateLoan(this);
+                            this.disbursementDetails.add(disbursementDetails);
+                            actualChanges.put(LoanApiConstants.disbursementDataParameterName, expectedDisbursementDate + "-" + principal);
+                            actualChanges.put("recalculateLoanSchedule", true);
+                    }i++;
                 } while (i < disbursementDataArray.size());
                 for (Long id : list) {
                     this.disbursementDetails.remove(fetchLoanDisbursementsById(id));
@@ -1611,7 +1618,6 @@ public class Loan extends AbstractPersistable<Long> {
                 }
             }
         }
-
     }
 
     public LoanDisbursementDetails fetchLoanDisbursementsById(Long id) {
@@ -1865,6 +1871,7 @@ public class Loan extends AbstractPersistable<Long> {
     }
 
     public Map<String, Object> loanApplicationApproval(final AppUser currentUser, final JsonCommand command,
+    		final JsonArray disbursementDataArray,
             final LoanLifecycleStateMachine loanLifecycleStateMachine) {
 
         validateAccountStatus(LoanEvent.LOAN_APPROVED);
@@ -1899,11 +1906,14 @@ public class Loan extends AbstractPersistable<Long> {
                 approvedOn = command.localDateValueOfParameterNamed("eventDate");
                 approvedOnDateChange = command.stringValueOfParameterNamed("eventDate");
             }
+            
+            LocalDate expecteddisbursementDate = command.localDateValueOfParameterNamed("expectedDisbursementDate");
 
             BigDecimal approvedLoanAmount = command.bigDecimalValueOfParameterNamed(LoanApiConstants.approvedLoanAmountParameterName);
+            
 
             if (approvedLoanAmount != null) {
-
+                
                 // Approved amount has to be less than or equal to principal
                 // amount demanded
 
@@ -1921,14 +1931,36 @@ public class Loan extends AbstractPersistable<Long> {
 
                     actualChanges.put(LoanApiConstants.approvedLoanAmountParameterName, approvedLoanAmount);
                     actualChanges.put(LoanApiConstants.disbursementPrincipalParameterName, approvedLoanAmount);
-
-                } else if (approvedLoanAmount.compareTo(this.proposedPrincipal) == 1) {
+                } else if(approvedLoanAmount.compareTo(this.proposedPrincipal) == 1) {
                     final String errorMessage = "Loan approved amount can't be greater than loan amount demanded.";
                     throw new InvalidLoanStateTransitionException("approval", "amount.can't.be.greater.than.loan.amount.demanded",
                             errorMessage, this.proposedPrincipal, approvedLoanAmount);
                 }
-            }
+                
+                /* Update disbursement details */
+				if (disbursementDataArray != null) {
+					updateDisbursementDetails(command, actualChanges);
+				}
+			}
+			if (loanProduct.isMultiDisburseLoan()) {
 
+				if (this.disbursementDetails.isEmpty()) {
+					final String errorMessage = "For this loan product, disbursement details must be provided";
+					throw new MultiDisbursementDataRequiredException(
+							LoanApiConstants.disbursementDataParameterName,
+							errorMessage);
+				}
+
+				if (this.disbursementDetails.size() > loanProduct
+						.maxTrancheCount()) {
+					final String errorMessage = "Number of tranche shouldn't be greter than "
+							+ loanProduct.maxTrancheCount();
+					throw new ExceedingTrancheCountException(
+							LoanApiConstants.disbursementDataParameterName,
+							errorMessage, loanProduct.maxTrancheCount(),
+							disbursementDetails.size());
+				}
+			}
             this.approvedOnDate = approvedOn.toDate();
             this.approvedBy = currentUser;
             actualChanges.put("locale", command.locale());
@@ -1942,6 +1974,18 @@ public class Loan extends AbstractPersistable<Long> {
                 throw new InvalidLoanStateTransitionException("approval", "cannot.be.before.submittal.date", errorMessage,
                         getApprovedOnDate(), submittalDate);
             }
+            
+            if(expecteddisbursementDate != null){
+            	this.expectedDisbursementDate = expecteddisbursementDate.toDate();
+                actualChanges.put("expectedDisbursementDate", expectedDisbursementDate);
+
+                if(expecteddisbursementDate.isBefore(approvedOn)) {
+                	final String errorMessage = "The expected disbursement date should be either on or after the approval date: "
+                            + approvedOn.toString();
+                	throw new InvalidLoanStateTransitionException("expecteddisbursal", "should.be.on.or.after.approval.date", errorMessage,
+                            getApprovedOnDate(), expecteddisbursementDate);
+                }
+            }
 
             validateActivityNotBeforeClientOrGroupTransferDate(LoanEvent.LOAN_APPROVED, approvedOn);
 
@@ -2135,12 +2179,25 @@ public class Loan extends AbstractPersistable<Long> {
             } else {
                 for (LoanDisbursementDetails disbursementDetails : details) {
                     disbursementDetails.updateActualDisbursementDate(actualDisbursementDate.toDate());
-                    diff = diff.add(disbursementDetails.principal().subtract(principalDisbursed));
                     disbursementDetails.updatePrincipal(principalDisbursed);
                 }
             }
-            this.loanRepaymentScheduleDetail.setPrincipal(this.loanRepaymentScheduleDetail.getPrincipal().minus(diff).getAmount());
-            if (diff.compareTo(BigDecimal.ZERO) == -1) {
+            if(this.loanProduct().isMultiDisburseLoan()){
+                Collection<LoanDisbursementDetails> loanDisburseDetails = this.getDisbursementDetails();
+            	BigDecimal setPrincipalAmount = BigDecimal.ZERO;
+                for (LoanDisbursementDetails disbursementDetails : loanDisburseDetails) {
+                	setPrincipalAmount = setPrincipalAmount.add(disbursementDetails.principal());
+                }
+                this.loanRepaymentScheduleDetail.setPrincipal(setPrincipalAmount);
+                if(setPrincipalAmount.compareTo(this.approvedPrincipal) == 1){
+                	final String errorMsg = "Loan can't be disbursed,disburse amount is exceeding approved principal ";
+                    throw new LoanDisbursalException(errorMsg, "disburse.amount.must.be.less.than.approved.principal", principalDisbursed,
+                            this.approvedPrincipal);
+                }
+            }else{
+                this.loanRepaymentScheduleDetail.setPrincipal(this.loanRepaymentScheduleDetail.getPrincipal().minus(diff).getAmount());
+            }
+            if (!(this.loanProduct().isMultiDisburseLoan()) && diff.compareTo(BigDecimal.ZERO) == -1) {
                 final String errorMsg = "Loan can't be disbursed,disburse amount is exceeding approved amount ";
                 throw new LoanDisbursalException(errorMsg, "disburse.amount.must.be.less.than.approved.amount", principalDisbursed,
                         this.loanRepaymentScheduleDetail.getPrincipal().getAmount());
@@ -2442,7 +2499,6 @@ public class Loan extends AbstractPersistable<Long> {
             if (this.loanProduct.isMultiDisburseLoan()) {
                 for (final LoanDisbursementDetails details : this.disbursementDetails) {
                     details.updateActualDisbursementDate(null);
-                    details.resetPrincipal();
                 }
             }
             boolean isEmiAmountChanged = this.loanTermVariations.size() > 0;
@@ -3488,7 +3544,7 @@ public class Loan extends AbstractPersistable<Long> {
         boolean isRegenerationRequired = false;
         if (this.loanProduct.isMultiDisburseLoan()) {
             LoanDisbursementDetails details = fetchLastDisburseDetail();
-            if (!details.expectedDisbursementDate().equals(details.actualDisbursementDate())) {
+            if (details != null && !(details.expectedDisbursementDate().equals(details.actualDisbursementDate()))) {
                 isRegenerationRequired = true;
             }
         }
@@ -4074,6 +4130,9 @@ public class Loan extends AbstractPersistable<Long> {
         return AccountType.fromInt(this.loanType).isGroupAccount();
     }
 
+    public boolean isJLGLoan(){
+    	return AccountType.fromInt(this.loanType).isJLGAccount();
+    }
     public void updateInterestRateFrequencyType() {
         this.loanRepaymentScheduleDetail.updatenterestPeriodFrequencyType(this.loanProduct.getInterestPeriodFrequencyType());
     }
@@ -4414,19 +4473,30 @@ public class Loan extends AbstractPersistable<Long> {
         return this.disbursementDetails;
     }
 
-    public ChangedTransactionDetail updateDisbursementDateForTranche(final LoanDisbursementDetails disbursementDetails,
+    public ChangedTransactionDetail updateDisbursementDateAndAmountForTranche(final LoanDisbursementDetails disbursementDetails,
             final JsonCommand command, final List<Long> existingTransactionIds, final List<Long> existingReversedTransactionIds,
             final Map<String, Object> actualChanges, final ScheduleGeneratorDTO scheduleGeneratorDTO, final AppUser currentUser) {
+        final Locale locale = command.extractLocale();
         validateAccountStatus(LoanEvent.LOAN_EDIT_MULTI_DISBURSE_DATE);
-        final LocalDate expectedDisbursementDate = command.localDateValueOfParameterNamed(LoanApiConstants.disbursementDateParameterName);
-        disbursementDetails.updateExpectedDisbursementDate(expectedDisbursementDate.toDate());
+        final BigDecimal principal = command.bigDecimalValueOfParameterNamed(LoanApiConstants.updatedDisbursementPrincipalParameterName, locale);
+        final LocalDate expectedDisbursementDate = command.localDateValueOfParameterNamed(LoanApiConstants.updatedDisbursementDateParameterName);
+        disbursementDetails.updateExpectedDisbursementDateAndAmount(expectedDisbursementDate.toDate(), principal);
         actualChanges.put(LoanApiConstants.disbursementDateParameterName,
                 command.stringValueOfParameterNamed(LoanApiConstants.disbursementDateParameterName));
         actualChanges.put(LoanApiConstants.disbursementIdParameterName,
                 command.stringValueOfParameterNamed(LoanApiConstants.disbursementIdParameterName));
+        actualChanges.put(LoanApiConstants.disbursementPrincipalParameterName, 
+        		command.bigDecimalValueOfParameterNamed(LoanApiConstants.disbursementPrincipalParameterName, locale));
         existingTransactionIds.addAll(findExistingTransactionIds());
         existingReversedTransactionIds.addAll(findExistingReversedTransactionIds());
 
+        Collection<LoanDisbursementDetails> loanDisburseDetails = this.getDisbursementDetails();
+    	BigDecimal setPrincipalAmount = BigDecimal.ZERO;
+        for (LoanDisbursementDetails details : loanDisburseDetails) {
+        	setPrincipalAmount = setPrincipalAmount.add(details.principal());
+        }
+        
+        this.loanRepaymentScheduleDetail.setPrincipal(setPrincipalAmount);
         if (this.repaymentScheduleDetail().isInterestRecalculationEnabled()) {
             regenerateRepaymentScheduleWithInterestRecalculation(scheduleGeneratorDTO, currentUser);
         } else {
@@ -4560,7 +4630,7 @@ public class Loan extends AbstractPersistable<Long> {
         return changedTransactionDetail;
     }
 
-    private void regenerateRepaymentScheduleWithInterestRecalculation(final ScheduleGeneratorDTO generatorDTO, final AppUser currentUser) {
+    public void regenerateRepaymentScheduleWithInterestRecalculation(final ScheduleGeneratorDTO generatorDTO, final AppUser currentUser) {
 
         LocalDate lastTransactionDate = getLastUserTransactionDate();
         generatorDTO.setLastTransactionDate(lastTransactionDate);
@@ -4828,7 +4898,7 @@ public class Loan extends AbstractPersistable<Long> {
             }
 
             disbursementData.add(new DisbursementData(loanDisbursementDetails.getId(), expectedDisbursementDate, actualDisbursementDate,
-                    loanDisbursementDetails.principal(), loanDisbursementDetails.approvedPrincipal()));
+                    loanDisbursementDetails.principal()));
         }
 
         return disbursementData;

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

@@ -39,9 +39,6 @@ public class LoanDisbursementDetails extends AbstractPersistable<Long> {
     @Column(name = "principal", scale = 6, precision = 19, nullable = false)
     private BigDecimal principal;
 
-    @Column(name = "approved_principal", scale = 6, precision = 19, nullable = false)
-    private BigDecimal approvedPrincipal;
-
     protected LoanDisbursementDetails() {
 
     }
@@ -50,8 +47,7 @@ public class LoanDisbursementDetails extends AbstractPersistable<Long> {
         this.expectedDisbursementDate = expectedDisbursementDate;
         this.actualDisbursementDate = actualDisbursementDate;
         this.principal = principal;
-        this.approvedPrincipal = principal;
-    }
+     }
 
     public void updateLoan(final Loan loan) {
         this.loan = loan;
@@ -61,14 +57,13 @@ public class LoanDisbursementDetails extends AbstractPersistable<Long> {
     public boolean equals(final Object obj) {
         final LoanDisbursementDetails loanDisbursementDetails = (LoanDisbursementDetails) obj;
         if (loanDisbursementDetails.principal.equals(this.principal)
-                && loanDisbursementDetails.expectedDisbursementDate.equals(this.expectedDisbursementDate)
-                && loanDisbursementDetails.approvedPrincipal.equals(this.approvedPrincipal)) { return true; }
+                && loanDisbursementDetails.expectedDisbursementDate.equals(this.expectedDisbursementDate)) 
+        { return true; }
         return false;
     }
 
     public void copy(final LoanDisbursementDetails disbursementDetails) {
         this.principal = disbursementDetails.principal;
-        this.approvedPrincipal = disbursementDetails.approvedPrincipal;
         this.expectedDisbursementDate = disbursementDetails.expectedDisbursementDate;
         this.actualDisbursementDate = disbursementDetails.actualDisbursementDate;
     }
@@ -93,10 +88,6 @@ public class LoanDisbursementDetails extends AbstractPersistable<Long> {
         return this.principal;
     }
 
-    public BigDecimal approvedPrincipal() {
-        return this.approvedPrincipal;
-    }
-
     public void updatePrincipal(BigDecimal principal) {
         this.principal = principal;
     }
@@ -115,19 +106,16 @@ public class LoanDisbursementDetails extends AbstractPersistable<Long> {
         if (this.actualDisbursementDate != null) {
             actualDisburseDate = new LocalDate(this.actualDisbursementDate);
         }
-        return new DisbursementData(getId(), expectedDisburseDate, actualDisburseDate, this.principal, this.approvedPrincipal);
+        return new DisbursementData(getId(), expectedDisburseDate, actualDisburseDate, this.principal);
     }
 
     public void updateActualDisbursementDate(Date actualDisbursementDate) {
         this.actualDisbursementDate = actualDisbursementDate;
     }
 
-    public BigDecimal resetPrincipal() {
-        return this.principal = this.approvedPrincipal;
-    }
-
-    public void updateExpectedDisbursementDate(Date expectedDisbursementDate) {
+    public void updateExpectedDisbursementDateAndAmount(Date expectedDisbursementDate, BigDecimal principal) {
         this.expectedDisbursementDate = expectedDisbursementDate;
+        this.principal = principal;
     }
 
 }

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

@@ -0,0 +1,32 @@
+/**
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.mifosplatform.portfolio.loanaccount.handler;
+
+import org.mifosplatform.commands.handler.NewCommandSourceHandler;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
+import org.mifosplatform.infrastructure.core.data.CommandProcessingResult;
+import org.mifosplatform.portfolio.loanaccount.service.LoanWritePlatformService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class AddAndDeleteLoanDisburseDetailsCommandHandler implements NewCommandSourceHandler {
+
+    private final LoanWritePlatformService writePlatformService;
+
+    @Autowired
+    public AddAndDeleteLoanDisburseDetailsCommandHandler(final LoanWritePlatformService writePlatformService) {
+        this.writePlatformService = writePlatformService;
+    }
+
+    @Transactional
+    @Override
+    public CommandProcessingResult processCommand(final JsonCommand command) {
+
+        return this.writePlatformService.addAndDeleteLoanDisburseDetails(command.getLoanId(), command);
+    }
+}

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

@@ -26,7 +26,7 @@ public class UpdateLoanDisbuseDateCommandHandler implements NewCommandSourceHand
     @Transactional
     @Override
     public CommandProcessingResult processCommand(final JsonCommand command) {
-
-        return this.writePlatformService.updateDisbursementDateForTranche(command.getLoanId(), command.entityId(), command);
+    	 
+        return this.writePlatformService.updateDisbursementDateAndAmountForTranche(command.getLoanId(), command.entityId(), command);
     }
 }

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

@@ -462,11 +462,6 @@ public abstract class AbstractLoanScheduleGenerator implements LoanScheduleGener
             instalmentNumber++;
         }
 
-        if (principalDisbursed.isNotEqualTo(expectedPrincipalDisburse) && diffAmt == null) {
-            final String errorMsg = "One of the Disbursement date is not falling on Loan Schedule";
-            throw new MultiDisbursementDisbursementDateException(errorMsg);
-        }
-
         // 7. determine fees and penalties
         for (LoanScheduleModelPeriod loanScheduleModelPeriod : periods) {
             if (loanScheduleModelPeriod.isRepaymentPeriod()) {

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

@@ -285,7 +285,7 @@ public class LoanScheduleAssembler {
                             && StringUtils.isNotBlank((jsonObject.get(LoanApiConstants.disbursementPrincipalParameterName).getAsString()))) {
                         principal = jsonObject.getAsJsonPrimitive(LoanApiConstants.disbursementPrincipalParameterName).getAsBigDecimal();
                     }
-                    disbursementDatas.add(new DisbursementData(null, expectedDisbursementDate, null, principal, null));
+                    disbursementDatas.add(new DisbursementData(null, expectedDisbursementDate, null, principal));
                     i++;
                 } while (i < disbursementDataArray.size());
             }
@@ -303,7 +303,7 @@ public class LoanScheduleAssembler {
         }
     }
 
-    private void validateDisbursementDateWithMeetingDates(final LocalDate expectedDisbursementDate, final Calendar calendar) {
+    public void validateDisbursementDateWithMeetingDates(final LocalDate expectedDisbursementDate, final Calendar calendar) {
         // disbursement date should fall on a meeting date
         if (!calendar.isValidRecurringDate(expectedDisbursementDate)) {
             final String errorMessage = "Expected disbursement date '" + expectedDisbursementDate + "' do not fall on a meeting date";

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

@@ -17,6 +17,7 @@ import java.util.Set;
 
 import org.apache.commons.lang.StringUtils;
 import org.joda.time.LocalDate;
+import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.infrastructure.core.data.ApiParameterError;
 import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
 import org.mifosplatform.infrastructure.core.exception.InvalidJsonException;
@@ -727,7 +728,6 @@ public final class LoanApplicationCommandFromApiJsonHelper {
             baseDataValidator.reset().parameter(LoanApiConstants.maxOutstandingBalanceParameterName).value(maxOutstandingBalance)
                     .ignoreIfNull().positiveAmount();
         }
-
         validateLoanMultiDisbursementdate(element, baseDataValidator, expectedDisbursementDate, principal);
 
         if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
@@ -832,64 +832,154 @@ public final class LoanApplicationCommandFromApiJsonHelper {
                 "Validation errors exist.", dataValidationErrors); }
     }
 
-    private void validateLoanMultiDisbursementdate(final JsonElement element, final DataValidatorBuilder baseDataValidator,
-            LocalDate expectedDisbursement, BigDecimal totalPrincipal) {
-        final JsonObject topLevelJsonElement = element.getAsJsonObject();
-        final Locale locale = this.fromApiJsonHelper.extractLocaleParameter(topLevelJsonElement);
-        final String dateFormat = this.fromApiJsonHelper.extractDateFormatParameter(topLevelJsonElement);
-        if (this.fromApiJsonHelper.parameterExists(LoanApiConstants.disbursementDataParameterName, element) && expectedDisbursement != null
-                && totalPrincipal != null) {
-            BigDecimal tatalDisbursement = BigDecimal.ZERO;
-            boolean isFirstinstallmentOnExpectedDisbursementDate = false;
-            final JsonArray variationArray = this.fromApiJsonHelper.extractJsonArrayNamed(LoanApiConstants.disbursementDataParameterName,
-                    element);
-            List<LocalDate> expectedDisbursementDates = new ArrayList<>();
-            if (variationArray != null && variationArray.size() > 0) {
-                int i = 0;
-                do {
-                    final JsonObject jsonObject = variationArray.get(i).getAsJsonObject();
+	private void validateDisbursementsAreDatewiseOrdered(JsonElement element, final DataValidatorBuilder baseDataValidator) {
+		final JsonObject topLevelJsonElement = element.getAsJsonObject();
+		final Locale locale = this.fromApiJsonHelper
+				.extractLocaleParameter(topLevelJsonElement);
+		final String dateFormat = this.fromApiJsonHelper
+				.extractDateFormatParameter(topLevelJsonElement);
+		final JsonArray variationArray = this.fromApiJsonHelper
+				.extractJsonArrayNamed(
+						LoanApiConstants.disbursementDataParameterName,
+						element);
+		for(int i=0 ; i< variationArray.size();i++){
+			final JsonObject jsonObject1 = variationArray.get(i)
+					.getAsJsonObject();
+			LocalDate date1 = this.fromApiJsonHelper
+					.extractLocalDateNamed(
+							LoanApiConstants.disbursementDateParameterName,
+							jsonObject1, dateFormat, locale);
+			
+			for(int j=i+1;j<variationArray.size();j++){
+				final JsonObject jsonObject2 = variationArray.get(j)
+						.getAsJsonObject();
+				LocalDate date2 = this.fromApiJsonHelper
+						.extractLocalDateNamed(
+								LoanApiConstants.disbursementDateParameterName,
+								jsonObject2, dateFormat, locale);
+				if(date1.isAfter(date2)){
+					baseDataValidator
+					.reset()
+					.parameter(
+							LoanApiConstants.disbursementDataParameterName)
+					.failWithCode(
+							LoanApiConstants.DISBURSEMENT_DATES_NOT_IN_ORDER);
+				}
+			}	
+		}
+	}
 
-                    BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalNamed(
-                            LoanApiConstants.disbursementPrincipalParameterName, jsonObject, locale);
-                    ;
+	public void validateLoanMultiDisbursementdate(final JsonElement element,
+			final DataValidatorBuilder baseDataValidator,
+			LocalDate expectedDisbursement, BigDecimal totalPrincipal) {
+		
+        this.validateDisbursementsAreDatewiseOrdered(element, baseDataValidator);
 
-                    LocalDate expectedDisbursementDate = this.fromApiJsonHelper.extractLocalDateNamed(
-                            LoanApiConstants.disbursementDateParameterName, jsonObject, dateFormat, locale);
-                    if (expectedDisbursementDates.contains(expectedDisbursementDate)) {
-                        baseDataValidator.reset().parameter(LoanApiConstants.disbursementDateParameterName)
-                                .failWithCode(LoanApiConstants.DISBURSEMENT_DATE_UNIQUE_ERROR);
-                    }
-                    expectedDisbursementDates.add(expectedDisbursementDate);
-                    baseDataValidator.reset().parameter(LoanApiConstants.disbursementDataParameterName)
-                            .parameterAtIndexArray(LoanApiConstants.disbursementPrincipalParameterName, i).value(principal).notBlank();
-                    baseDataValidator.reset().parameter(LoanApiConstants.disbursementDataParameterName)
-                            .parameterAtIndexArray(LoanApiConstants.disbursementDateParameterName, i).value(expectedDisbursementDate)
-                            .notNull();
-                    if (principal != null) {
-                        tatalDisbursement = tatalDisbursement.add(principal);
-                    }
-                    if (expectedDisbursement.equals(expectedDisbursementDate)) {
-                        isFirstinstallmentOnExpectedDisbursementDate = true;
-                    }
-                    i++;
-                } while (i < variationArray.size());
-                if (!isFirstinstallmentOnExpectedDisbursementDate) {
-                    baseDataValidator.reset().parameter(LoanApiConstants.disbursementDateParameterName)
-                            .failWithCode(LoanApiConstants.DISBURSEMENT_DATE_START_WITH_ERROR);
-                }
-                if (tatalDisbursement.compareTo(totalPrincipal) != 0) {
-                    baseDataValidator.reset().parameter(LoanApiConstants.disbursementPrincipalParameterName)
-                            .failWithCode(LoanApiConstants.PRINCIPAL_AMOUNT_SHOULD_BE_SAME);
-                }
-                final String interestTypeParameterName = "interestType";
-                final Integer interestType = this.fromApiJsonHelper.extractIntegerSansLocaleNamed(interestTypeParameterName, element);
-                baseDataValidator.reset().parameter(interestTypeParameterName).value(interestType).ignoreIfNull()
-                        .integerSameAsNumber(InterestMethod.DECLINING_BALANCE.getValue());
-            }
+		final JsonObject topLevelJsonElement = element.getAsJsonObject();
+		final Locale locale = this.fromApiJsonHelper
+				.extractLocaleParameter(topLevelJsonElement);
+		final String dateFormat = this.fromApiJsonHelper
+				.extractDateFormatParameter(topLevelJsonElement);
+		if (this.fromApiJsonHelper.parameterExists(
+				LoanApiConstants.disbursementDataParameterName, element)
+				&& expectedDisbursement != null && totalPrincipal != null) {
+			BigDecimal tatalDisbursement = BigDecimal.ZERO;
+			boolean isFirstinstallmentOnExpectedDisbursementDate = false;
+			final JsonArray variationArray = this.fromApiJsonHelper
+					.extractJsonArrayNamed(
+							LoanApiConstants.disbursementDataParameterName,
+							element);
+			List<LocalDate> expectedDisbursementDates = new ArrayList<>();
+			if (variationArray != null && variationArray.size() > 0) {
+				int i = 0;
+				do {
+					final JsonObject jsonObject = variationArray.get(i)
+							.getAsJsonObject();
+					LocalDate expectedDisbursementDate = this.fromApiJsonHelper
+							.extractLocalDateNamed(
+									LoanApiConstants.disbursementDateParameterName,
+									jsonObject, dateFormat, locale);
+					if (expectedDisbursementDates
+							.contains(expectedDisbursementDate)) {
+						baseDataValidator
+								.reset()
+								.parameter(
+										LoanApiConstants.disbursementDateParameterName)
+								.failWithCode(
+										LoanApiConstants.DISBURSEMENT_DATE_UNIQUE_ERROR);
+					}
+					if(expectedDisbursementDate.isBefore(expectedDisbursement)){
+						baseDataValidator
+						.reset()
+						.parameter(
+								LoanApiConstants.disbursementDataParameterName)
+						.failWithCode(
+								LoanApiConstants.DISBURSEMENT_DATE_BEFORE_ERROR);
+					}
+					expectedDisbursementDates.add(expectedDisbursementDate);
+					BigDecimal principal = this.fromApiJsonHelper
+							.extractBigDecimalNamed(
+									LoanApiConstants.disbursementPrincipalParameterName,
+									jsonObject, locale);
+					baseDataValidator
+							.reset()
+							.parameter(
+									LoanApiConstants.disbursementDataParameterName)
+							.parameterAtIndexArray(
+									LoanApiConstants.disbursementPrincipalParameterName,
+									i).value(principal).notBlank();
+					if (principal != null) {
+						tatalDisbursement = tatalDisbursement.add(principal);
+					}
 
-        }
+					baseDataValidator
+							.reset()
+							.parameter(
+									LoanApiConstants.disbursementDataParameterName)
+							.parameterAtIndexArray(
+									LoanApiConstants.disbursementDateParameterName,
+									i).value(expectedDisbursementDate)
+							.notNull();
 
-    }
+					if (expectedDisbursement.equals(expectedDisbursementDate)) {
+						isFirstinstallmentOnExpectedDisbursementDate = true;
+					}
+					i++;
+				} while (i < variationArray.size());
+				if (!isFirstinstallmentOnExpectedDisbursementDate) {
+					baseDataValidator
+							.reset()
+							.parameter(
+									LoanApiConstants.disbursementDateParameterName)
+							.failWithCode(
+									LoanApiConstants.DISBURSEMENT_DATE_START_WITH_ERROR);
+				}
+
+				if (tatalDisbursement.compareTo(totalPrincipal) == 1) {
+					baseDataValidator
+					.reset()
+					.parameter(
+							LoanApiConstants.disbursementPrincipalParameterName)
+					.failWithCode(
+							LoanApiConstants.APPROVED_AMOUNT_IS_LESS_THAN_SUM_OF_TRANCHES);
+				}
+				final String interestTypeParameterName = "interestType";
+				final Integer interestType = this.fromApiJsonHelper
+						.extractIntegerSansLocaleNamed(
+								interestTypeParameterName, element);
+				baseDataValidator
+						.reset()
+						.parameter(interestTypeParameterName)
+						.value(interestType)
+						.ignoreIfNull()
+						.integerSameAsNumber(
+								InterestMethod.DECLINING_BALANCE.getValue());
+
+			}
+
+		}
+
+	}
 
     public void validateRecalcuationFrequency(final LocalDate recalculationFrequencyDate, final LocalDate expectedDisbursementDate,
             final List<ApiParameterError> dataValidationErrors) {

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

@@ -49,7 +49,7 @@ public final class LoanApplicationTransitionApiJsonValidator {
 
         final Set<String> disbursementParameters = new HashSet<>(Arrays.asList(LoanApiConstants.approvedLoanAmountParameterName,
                 LoanApiConstants.approvedOnDateParameterName, LoanApiConstants.noteParameterName, LoanApiConstants.localeParameterName,
-                LoanApiConstants.dateFormatParameterName));
+                LoanApiConstants.dateFormatParameterName,LoanApiConstants.disbursementDataParameterName,LoanApiConstants.disbursementDateParameterName));
 
         final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
         this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
@@ -68,10 +68,14 @@ public final class LoanApplicationTransitionApiJsonValidator {
                 .extractLocalDateNamed(LoanApiConstants.approvedOnDateParameterName, element);
         baseDataValidator.reset().parameter(LoanApiConstants.approvedOnDateParameterName).value(approvedOnDate).notNull();
 
+        final LocalDate expectedDisbursementDate = this.fromApiJsonHelper
+                .extractLocalDateNamed(LoanApiConstants.disbursementDateParameterName, element);
+        baseDataValidator.reset().parameter(LoanApiConstants.disbursementDateParameterName).value(expectedDisbursementDate).ignoreIfNull();
+
         final String note = this.fromApiJsonHelper.extractStringNamed(LoanApiConstants.noteParameterName, element);
         baseDataValidator.reset().parameter(LoanApiConstants.noteParameterName).value(note).notExceedingLengthOf(1000);
 
-        throwExceptionIfValidationWarningsExist(dataValidationErrors);
+       throwExceptionIfValidationWarningsExist(dataValidationErrors);
     }
 
     public void validateRejection(final String json) {

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

@@ -11,6 +11,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 
@@ -30,17 +31,23 @@ import org.mifosplatform.portfolio.loanaccount.domain.LoanDisbursementDetails;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import com.google.gson.reflect.TypeToken;
 
 @Component
 public final class LoanEventApiJsonValidator {
 
     private final FromJsonHelper fromApiJsonHelper;
+    private final LoanApplicationCommandFromApiJsonHelper fromApiJsonDeserializer;
+
 
     @Autowired
-    public LoanEventApiJsonValidator(final FromJsonHelper fromApiJsonHelper) {
+    public LoanEventApiJsonValidator(final FromJsonHelper fromApiJsonHelper, 
+    		 final LoanApplicationCommandFromApiJsonHelper fromApiJsonDeserializer) {
         this.fromApiJsonHelper = fromApiJsonHelper;
+        this.fromApiJsonDeserializer = fromApiJsonDeserializer;
     }
 
     private void throwExceptionIfValidationWarningsExist(final List<ApiParameterError> dataValidationErrors) {
@@ -363,12 +370,13 @@ public final class LoanEventApiJsonValidator {
         throwExceptionIfValidationWarningsExist(dataValidationErrors);
     }
 
-    public void validateUpdateDisbursementDate(final String json, LoanDisbursementDetails loanDisbursementDetails) {
+    public void validateUpdateDisbursementDateAndAmount(final String json, LoanDisbursementDetails loanDisbursementDetails) {
 
         if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
 
-        final Set<String> disbursementParameters = new HashSet<>(Arrays.asList(LoanApiConstants.disbursementDateParameterName,
-                "locale", "dateFormat"));
+        final Set<String> disbursementParameters = new HashSet<>(Arrays.asList("locale", "dateFormat", LoanApiConstants.disbursementDataParameterName,
+                LoanApiConstants.approvedLoanAmountParameterName, LoanApiConstants.updatedDisbursementDateParameterName, LoanApiConstants.updatedDisbursementPrincipalParameterName, 
+                LoanApiConstants.disbursementDateParameterName));
 
         final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
         this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
@@ -380,12 +388,22 @@ public final class LoanEventApiJsonValidator {
         final LocalDate actualDisbursementDate = this.fromApiJsonHelper.extractLocalDateNamed(
                 LoanApiConstants.disbursementDateParameterName, element);
         baseDataValidator.reset().parameter(LoanApiConstants.disbursementDateParameterName).value(actualDisbursementDate).notNull();
+        
+        final Locale locale = this.fromApiJsonHelper.extractLocaleParameter(element.getAsJsonObject());
+        final BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalNamed(LoanApiConstants.updatedDisbursementPrincipalParameterName, 
+        		element,locale);
+        baseDataValidator.reset().parameter(LoanApiConstants.disbursementPrincipalParameterName).value(principal).notNull();
 
+        final BigDecimal approvedPrincipal = this.fromApiJsonHelper.extractBigDecimalNamed(LoanApiConstants.approvedLoanAmountParameterName, 
+        		element,locale);
         if (loanDisbursementDetails.actualDisbursementDate() != null) {
             baseDataValidator.reset().parameter(LoanApiConstants.disbursementDateParameterName)
                     .failWithCode(LoanApiConstants.ALREADY_DISBURSED);
         }
 
+        
+        fromApiJsonDeserializer.validateLoanMultiDisbursementdate(element, baseDataValidator, actualDisbursementDate, approvedPrincipal);
+
         throwExceptionIfValidationWarningsExist(dataValidationErrors);
     }
     

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

@@ -5,6 +5,7 @@
  */
 package org.mifosplatform.portfolio.loanaccount.service;
 
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -73,8 +74,10 @@ import org.mifosplatform.portfolio.loanaccount.exception.LoanApplicationDateExce
 import org.mifosplatform.portfolio.loanaccount.exception.LoanApplicationNotInSubmittedAndPendingApprovalStateCannotBeDeleted;
 import org.mifosplatform.portfolio.loanaccount.exception.LoanApplicationNotInSubmittedAndPendingApprovalStateCannotBeModified;
 import org.mifosplatform.portfolio.loanaccount.exception.LoanNotFoundException;
+import org.mifosplatform.portfolio.loanaccount.exception.MultiDisbursementDataRequiredException;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.AprCalculator;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.LoanScheduleModel;
+import org.mifosplatform.portfolio.loanaccount.loanschedule.service.LoanScheduleAssembler;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.service.LoanScheduleCalculationPlatformService;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationCommandFromApiJsonHelper;
 import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationTransitionApiJsonValidator;
@@ -99,6 +102,7 @@ import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 
 @Service
@@ -134,6 +138,8 @@ public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements Loa
     private final AccountNumberFormatRepositoryWrapper accountNumberFormatRepository;
     private final BusinessEventNotifierService businessEventNotifierService;
     private final ConfigurationDomainService configurationDomainService;
+    private final LoanScheduleAssembler loanScheduleAssembler;
+
 
     @Autowired
     public LoanApplicationWritePlatformServiceJpaRepositoryImpl(final PlatformSecurityContext context, final FromJsonHelper fromJsonHelper,
@@ -151,7 +157,8 @@ public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements Loa
             final LoanRepaymentScheduleInstallmentRepository repaymentScheduleInstallmentRepository,
             final LoanReadPlatformService loanReadPlatformService, final LoanAccountDomainService loanAccountDomainService,
             final AccountNumberFormatRepositoryWrapper accountNumberFormatRepository,
-            final BusinessEventNotifierService businessEventNotifierService, final ConfigurationDomainService configurationDomainService) {
+            final BusinessEventNotifierService businessEventNotifierService, final ConfigurationDomainService configurationDomainService,
+            final LoanScheduleAssembler loanScheduleAssembler) {
         this.context = context;
         this.fromJsonHelper = fromJsonHelper;
         this.loanApplicationTransitionApiJsonValidator = loanApplicationTransitionApiJsonValidator;
@@ -180,6 +187,7 @@ public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements Loa
         this.accountNumberFormatRepository = accountNumberFormatRepository;
         this.businessEventNotifierService = businessEventNotifierService;
         this.configurationDomainService = configurationDomainService;
+        this.loanScheduleAssembler = loanScheduleAssembler;
     }
 
     private LoanLifecycleStateMachine defaultLoanLifecycleStateMachine() {
@@ -732,29 +740,66 @@ public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements Loa
                 .build();
     }
 
+    public void validateMultiDisbursementData(final JsonCommand command, LocalDate expectedDisbursementDate){
+    	final String json = command.json();
+    	final JsonElement element = this.fromJsonHelper.parse(json);
+
+        final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
+        final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan");
+        final JsonArray disbursementDataArray = command.arrayOfParameterNamed(LoanApiConstants.disbursementDataParameterName);
+        if(disbursementDataArray == null || disbursementDataArray.size() == 0){
+        	final String errorMessage = "For this loan product, disbursement details must be provided";
+            throw new MultiDisbursementDataRequiredException(LoanApiConstants.disbursementDataParameterName, errorMessage);       	
+        }
+        final BigDecimal principal = this.fromJsonHelper.extractBigDecimalWithLocaleNamed("approvedLoanAmount", element);  
+        fromApiJsonDeserializer.validateLoanMultiDisbursementdate(element, baseDataValidator, expectedDisbursementDate, principal);
+        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); }
+    }
     @Transactional
     @Override
     public CommandProcessingResult approveApplication(final Long loanId, final JsonCommand command) {
 
         final AppUser currentUser = getAppUserIfPresent();
+        LocalDate expectedDisbursementDate = null;
 
         this.loanApplicationTransitionApiJsonValidator.validateApproval(command.json());
-
+        
         final Loan loan = retrieveLoanBy(loanId);
-        checkClientOrGroupActive(loan);
+        
+        final JsonArray disbursementDataArray = command.arrayOfParameterNamed(LoanApiConstants.disbursementDataParameterName);
 
-        final Map<String, Object> changes = loan.loanApplicationApproval(currentUser, command, defaultLoanLifecycleStateMachine());
+        expectedDisbursementDate = command.localDateValueOfParameterNamed(LoanApiConstants.disbursementDateParameterName);
+        if(expectedDisbursementDate == null){
+        	expectedDisbursementDate = loan.getExpectedDisbursedOnLocalDate();
+        }
+        if(loan.loanProduct().isMultiDisburseLoan()){
+            	this.validateMultiDisbursementData(command, expectedDisbursementDate);
+        }
+        
+        checkClientOrGroupActive(loan);
+        
+     // validate expected disbursement date against meeting date
+        if (loan.isSyncDisbursementWithMeeting() && (loan.isGroupLoan() || loan.isJLGLoan())) {
+            final CalendarInstance calendarInstance = this.calendarInstanceRepository.findCalendarInstaneByEntityId(loan.getId(),
+                    CalendarEntityType.LOANS.getValue());
+            final Calendar calendar = calendarInstance.getCalendar();            
+            this.loanScheduleAssembler.validateDisbursementDateWithMeetingDates(expectedDisbursementDate, calendar);
+        }
+
+        final Map<String, Object> changes = loan.loanApplicationApproval(currentUser, command, disbursementDataArray, defaultLoanLifecycleStateMachine());
+  
+    	
         if (!changes.isEmpty()) {
 
             // If loan approved amount less than loan demanded amount, then need
             // to recompute the schedule
             if (changes.containsKey(LoanApiConstants.approvedLoanAmountParameterName)) {
                 ScheduleGeneratorDTO scheduleGeneratorDTO = loanAccountDomainService.buildScheduleGeneratorDTO(loan);
-                loan.regenerateRepaymentSchedule(scheduleGeneratorDTO, currentUser);
+                loan.regenerateRepaymentSchedule(scheduleGeneratorDTO, currentUser);               
             }
 
             this.loanRepository.save(loan);
-
+           
             final String noteText = command.stringValueOfParameterNamed("note");
             if (StringUtils.isNotBlank(noteText)) {
                 final Note note = Note.loanNote(loan, noteText);

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

@@ -298,6 +298,7 @@ public class LoanAssembler {
                 do {
                     final JsonObject jsonObject = disbursementDataArray.get(i).getAsJsonObject();
                     Date expectedDisbursementDate = null;
+                    Date actualDisbursementDate = null;
                     BigDecimal principal = null;
 
                     if (jsonObject.has(LoanApiConstants.disbursementDateParameterName)) {
@@ -312,7 +313,8 @@ public class LoanAssembler {
                             && StringUtils.isNotBlank((jsonObject.get(LoanApiConstants.disbursementPrincipalParameterName).getAsString()))) {
                         principal = jsonObject.getAsJsonPrimitive(LoanApiConstants.disbursementPrincipalParameterName).getAsBigDecimal();
                     }
-                    disbursementDatas.add(new LoanDisbursementDetails(expectedDisbursementDate, null, principal));
+                    
+                    disbursementDatas.add(new LoanDisbursementDetails(expectedDisbursementDate, actualDisbursementDate, principal));
                     i++;
                 } while (i < disbursementDataArray.size());
             }

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

@@ -907,7 +907,7 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
             this.disbursement = repaymentScheduleRelatedLoanData.disbursementData();
             this.totalFeeChargesDueAtDisbursement = repaymentScheduleRelatedLoanData.getTotalFeeChargesAtDisbursement();
             this.lastDueDate = this.disbursement.disbursementDate();
-            this.outstandingLoanPrincipalBalance = this.disbursement.amount();
+            this.outstandingLoanPrincipalBalance = this.disbursement.amount();            
             this.disbursementData = disbursementData;
             this.excludePastUndisbursed = isInterestRecalculationEnabled;
         }
@@ -1398,7 +1398,7 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
     private static final class LoanDisbursementDetailMapper implements RowMapper<DisbursementData> {
 
         public String schema() {
-            return "dd.id as id,dd.expected_disburse_date as expectedDisbursementdate,dd.disbursedon_date as actualDisbursementdate,dd.principal as principal,dd.approved_principal as approvedPrincipal "
+            return "dd.id as id,dd.expected_disburse_date as expectedDisbursementdate,dd.disbursedon_date as actualDisbursementdate,dd.principal as principal "
                     + "from m_loan_disbursement_detail dd";
         }
 
@@ -1408,10 +1408,8 @@ public class LoanReadPlatformServiceImpl implements LoanReadPlatformService {
             final LocalDate expectedDisbursementdate = JdbcSupport.getLocalDate(rs, "expectedDisbursementdate");
             final LocalDate actualDisbursementdate = JdbcSupport.getLocalDate(rs, "actualDisbursementdate");
             final BigDecimal principal = rs.getBigDecimal("principal");
-            final BigDecimal approvedPrincipal = rs.getBigDecimal("approvedPrincipal");
 
-            final DisbursementData disbursementData = new DisbursementData(id, expectedDisbursementdate, actualDisbursementdate, principal,
-                    approvedPrincipal);
+            final DisbursementData disbursementData = new DisbursementData(id, expectedDisbursementdate, actualDisbursementdate, principal);
             return disbursementData;
         }
 

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

@@ -78,7 +78,7 @@ public interface LoanWritePlatformService {
 
     CommandProcessingResult undoWriteOff(Long loanId);
 
-    CommandProcessingResult updateDisbursementDateForTranche(Long loanId, Long disbursementId, JsonCommand command);
+    CommandProcessingResult updateDisbursementDateAndAmountForTranche(Long loanId, Long disbursementId, JsonCommand command);
 
     void recalculateInterest();
 
@@ -88,4 +88,6 @@ public interface LoanWritePlatformService {
 
     CommandProcessingResult makeLoanRefund(Long loanId, JsonCommand command);
 
+	CommandProcessingResult addAndDeleteLoanDisburseDetails(Long loanId, JsonCommand command);
+
 }

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

@@ -123,11 +123,13 @@ import org.mifosplatform.portfolio.loanaccount.domain.LoanStatus;
 import org.mifosplatform.portfolio.loanaccount.domain.LoanTransaction;
 import org.mifosplatform.portfolio.loanaccount.domain.LoanTransactionRepository;
 import org.mifosplatform.portfolio.loanaccount.domain.LoanTransactionType;
+import org.mifosplatform.portfolio.loanaccount.exception.ExceedingTrancheCountException;
 import org.mifosplatform.portfolio.loanaccount.exception.InvalidPaidInAdvanceAmountException;
 import org.mifosplatform.portfolio.loanaccount.exception.LoanDisbursalException;
 import org.mifosplatform.portfolio.loanaccount.exception.LoanOfficerAssignmentException;
 import org.mifosplatform.portfolio.loanaccount.exception.LoanOfficerUnassignmentException;
 import org.mifosplatform.portfolio.loanaccount.exception.LoanTransactionNotFoundException;
+import org.mifosplatform.portfolio.loanaccount.exception.MultiDisbursementDataRequiredException;
 import org.mifosplatform.portfolio.loanaccount.guarantor.service.GuarantorDomainService;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.data.OverdueLoanScheduleData;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.DefaultScheduledDateGenerator;
@@ -159,6 +161,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 
+import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 
 @Service
@@ -2541,17 +2544,59 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
                 .build();
     }
 
-    @Override
+    private void validateMultiDisbursementData(final JsonCommand command, LocalDate expectedDisbursementDate){
+    	final String json = command.json();
+    	final JsonElement element = this.fromApiJsonHelper.parse(json);
+
+        final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
+        final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan");
+        final JsonArray disbursementDataArray = command.arrayOfParameterNamed(LoanApiConstants.disbursementDataParameterName);
+        if(disbursementDataArray == null || disbursementDataArray.size() == 0){
+        	final String errorMessage = "For this loan product, disbursement details must be provided";
+            throw new MultiDisbursementDataRequiredException(LoanApiConstants.disbursementDataParameterName, errorMessage);       	
+        }
+        final BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalWithLocaleNamed("approvedLoanAmount", element);
+        
+        loanApplicationCommandFromApiJsonHelper.validateLoanMultiDisbursementdate(element, baseDataValidator, expectedDisbursementDate, principal);
+        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); }
+    }
+    
+	@Override
     @Transactional
-    public CommandProcessingResult updateDisbursementDateForTranche(final Long loanId, final Long disbursementId, final JsonCommand command) {
-
-        AppUser currentUser = getAppUserIfPresent();
-
+	public CommandProcessingResult addAndDeleteLoanDisburseDetails(Long loanId, JsonCommand command) {
+		
         final Loan loan = this.loanAssembler.assembleFrom(loanId);
         checkClientOrGroupActive(loan);
-        LoanDisbursementDetails loanDisbursementDetails = loan.fetchLoanDisbursementsById(disbursementId);
-        this.loanEventApiJsonValidator.validateUpdateDisbursementDate(command.json(), loanDisbursementDetails);
-        final CalendarInstance calendarInstance = this.calendarInstanceRepository.findCalendarInstaneByEntityId(loan.getId(),
+        final Map<String, Object> actualChanges = new LinkedHashMap<>();
+        LocalDate  expectedDisbursementDate = loan.getExpectedDisbursedOnLocalDate();
+        validateMultiDisbursementData(command, expectedDisbursementDate);
+
+        loan.updateDisbursementDetails(command, actualChanges);
+
+        if (loan.getDisbursementDetails().isEmpty()) {
+			final String errorMessage = "For this loan product, disbursement details must be provided";
+			throw new MultiDisbursementDataRequiredException(
+					LoanApiConstants.disbursementDataParameterName,
+					errorMessage);
+		}
+
+		if (loan.getDisbursementDetails().size() > loan.loanProduct()
+				.maxTrancheCount()) {
+			final String errorMessage = "Number of tranche shouldn't be greter than "
+					+ loan.loanProduct().maxTrancheCount();
+			throw new ExceedingTrancheCountException(
+					LoanApiConstants.disbursementDataParameterName,
+					errorMessage, loan.loanProduct().maxTrancheCount(),
+					loan.getDisbursementDetails().size());
+		}
+		LoanDisbursementDetails updateDetails = null;
+		return processLoanDisbursementDetail(loan, loanId, command, updateDetails);
+        
+	}
+	
+	private CommandProcessingResult processLoanDisbursementDetail(final Loan loan, Long loanId, JsonCommand command, 
+			LoanDisbursementDetails loanDisbursementDetails){
+		final CalendarInstance calendarInstance = this.calendarInstanceRepository.findCalendarInstaneByEntityId(loan.getId(),
                 CalendarEntityType.LOANS.getValue());
         final LocalDate calculatedRepaymentsStartingFromDate = this.loanAccountDomainService.getCalculatedRepaymentsStartingFromDate(
                 loan.getDisbursementDate(), loan, calendarInstance);
@@ -2580,12 +2625,32 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
                 calculatedRepaymentsStartingFromDate, holidayDetailDTO, restCalendarInstance, recalculateFrom, overdurPenaltyWaitPeriod,
                 lastTransactionDate);
 
-        final ChangedTransactionDetail changedTransactionDetail = loan.updateDisbursementDateForTranche(loanDisbursementDetails, command,
-                existingTransactionIds, existingReversedTransactionIds, changes, scheduleGeneratorDTO, currentUser);
+        ChangedTransactionDetail changedTransactionDetail = null;            
+        AppUser currentUser = getAppUserIfPresent();
+        
+        if(command.entityId() != null){
+
+        	changedTransactionDetail = loan.updateDisbursementDateAndAmountForTranche(loanDisbursementDetails, command,
+                    existingTransactionIds, existingReversedTransactionIds, changes, scheduleGeneratorDTO, currentUser);
+        }else{
+        	Collection<LoanDisbursementDetails> loanDisburseDetails = loan.getDisbursementDetails();
+        	BigDecimal setAmount = BigDecimal.ZERO;
+            for (LoanDisbursementDetails details : loanDisburseDetails) {
+            	setAmount = setAmount.add(details.principal());
+            }
+            
+            loan.repaymentScheduleDetail().setPrincipal(setAmount);
+            
+        	if (loan.repaymentScheduleDetail().isInterestRecalculationEnabled()) {
+                loan.regenerateRepaymentScheduleWithInterestRecalculation(scheduleGeneratorDTO, currentUser);
+            } else {
+                loan.regenerateRepaymentSchedule(scheduleGeneratorDTO, currentUser);
+            }
+        }
 
         saveAndFlushLoanWithDataIntegrityViolationChecks(loan);
 
-        if (changedTransactionDetail != null) {
+        if (command.entityId() != null && changedTransactionDetail != null) {
             for (Map.Entry<Long, LoanTransaction> mapEntry : changedTransactionDetail.getNewTransactionMappings().entrySet()) {
                 updateLoanTransaction(mapEntry.getKey(), mapEntry.getValue());
             }
@@ -2600,8 +2665,21 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
                 .withClientId(loan.getClientId()) //
                 .withGroupId(loan.getGroupId()) //
                 .withLoanId(loanId) //
-                .with(changes).build();
+                .with(changes).build(); 
+	}
+	
+    @Override
+    @Transactional
+    public CommandProcessingResult updateDisbursementDateAndAmountForTranche(final Long loanId, final Long disbursementId, final JsonCommand command) {
 
+        final Loan loan = this.loanAssembler.assembleFrom(loanId);
+        checkClientOrGroupActive(loan);
+        LoanDisbursementDetails loanDisbursementDetails = loan.fetchLoanDisbursementsById(disbursementId);
+        this.loanEventApiJsonValidator.validateUpdateDisbursementDateAndAmount(command.json(), loanDisbursementDetails);
+        
+		return processLoanDisbursementDetail(loan, loanId, command, loanDisbursementDetails);
+
+        
     }
 
     public LoanTransaction disburseLoanAmountToSavings(final Long loanId, Long loanChargeId, final JsonCommand command,

mifosng-provider/src/main/resources/sql/migrations/core_db/V240__alter_loan_disbursement_details.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `m_loan_disbursement_detail`
+	DROP COLUMN approved_principal;

mifosng-provider/src/main/resources/sql/migrations/core_db/V241__alter_loan_disbursement_details.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `m_loan_disbursement_detail`
+	DROP COLUMN approved_principal;