Merge pull request #653 from pramodn02/MIFOSX-730

Mifosx 730

mifosng-provider/src/main/java/org/mifosplatform/portfolio/charge/domain/ChargeCalculationType.java

@@ -56,6 +56,14 @@ public enum ChargeCalculationType {
         return this.value.equals(ChargeCalculationType.PERCENT_OF_AMOUNT.getValue());
     }
 
+    public boolean isPercentageOfAmountAndInterest() {
+        return this.value.equals(ChargeCalculationType.PERCENT_OF_AMOUNT_AND_INTEREST.getValue());
+    }
+
+    public boolean isPercentageOfInterest() {
+        return this.value.equals(ChargeCalculationType.PERCENT_OF_INTEREST.getValue());
+    }
+
     public boolean isFlat() {
         return this.value.equals(ChargeCalculationType.FLAT.getValue());
     }
@@ -63,4 +71,8 @@ public enum ChargeCalculationType {
     public boolean isAllowedSavingsChargeCalculationType() {
         return isFlat() || isPercentageOfAmount();
     }
+    
+    public boolean isPercentageBased(){
+        return isPercentageOfAmount() || isPercentageOfAmountAndInterest() || isPercentageOfInterest();
+    }
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/charge/domain/ChargeTimeType.java

@@ -16,7 +16,8 @@ public enum ChargeTimeType {
     SAVINGS_CLOSURE(4, "chargeTimeType.savingsClosure"), // only for savings
     WITHDRAWAL_FEE(5, "chargeTimeType.withdrawalFee"), // only for savings
     ANNUAL_FEE(6, "chargeTimeType.annualFee"), // only for savings
-    MONTHLY_FEE(7, "chargeTimeType.monthlyFee"); // only for savings
+    MONTHLY_FEE(7, "chargeTimeType.monthlyFee"), // only for savings
+    INSTALMENT_FEE(8,"chargeTimeType.instalmentFee");//only for loan charges
 
     private final Integer value;
     private final String code;
@@ -47,34 +48,37 @@ public enum ChargeTimeType {
     public static ChargeTimeType fromInt(final Integer chargeTime) {
         ChargeTimeType chargeTimeType = ChargeTimeType.INVALID;
         if (chargeTime != null) {
-            switch (chargeTime) {
-                case 1:
-                    chargeTimeType = DISBURSEMENT;
-                break;
-                case 2:
-                    chargeTimeType = SPECIFIED_DUE_DATE;
-                break;
-                case 3:
-                    chargeTimeType = SAVINGS_ACTIVATION;
-                break;
-                case 4:
-                    chargeTimeType = SAVINGS_CLOSURE;
-                break;
-                case 5:
-                    chargeTimeType = WITHDRAWAL_FEE;
-                break;
-                case 6:
-                    chargeTimeType = ANNUAL_FEE;
-                break;
-                case 7:
-                    chargeTimeType = MONTHLY_FEE;
-                break;
-                default:
-                    chargeTimeType = INVALID;
-                break;
-            }
+        switch (chargeTime) {
+            case 1:
+                chargeTimeType = DISBURSEMENT;
+            break;
+            case 2:
+                chargeTimeType = SPECIFIED_DUE_DATE;
+            break;
+            case 3:
+                chargeTimeType = SAVINGS_ACTIVATION;
+            break;
+            case 4:
+                chargeTimeType = SAVINGS_CLOSURE;
+            break;
+            case 5:
+                chargeTimeType = WITHDRAWAL_FEE;
+            break;
+            case 6:
+                chargeTimeType = ANNUAL_FEE;
+            break;
+            case 7:
+                chargeTimeType = MONTHLY_FEE;
+            break;
+            case 8:
+                chargeTimeType = INSTALMENT_FEE;
+            break;
+            default:
+                chargeTimeType = INVALID;
+            break;
         }
-        return chargeTimeType;
+       }
+       return chargeTimeType;
     }
 
     public boolean isTimeOfDisbursement() {
@@ -105,8 +109,13 @@ public enum ChargeTimeType {
         return this.value.equals(ChargeTimeType.MONTHLY_FEE.getValue());
     }
 
+
+    public boolean isInstalmentFee() {
+        return this.value.equals(ChargeTimeType.INSTALMENT_FEE.getValue());
+    }
+    
     public boolean isAllowedLoanChargeTime() {
-        return isTimeOfDisbursement() || isOnSpecifiedDueDate();
+        return isTimeOfDisbursement() || isOnSpecifiedDueDate() || isInstalmentFee();
     }
 
     public boolean isAllowedSavingsChargeTime() {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/charge/exception/LoanChargeCannotBePayedException.java

@@ -11,7 +11,7 @@ public class LoanChargeCannotBePayedException extends AbstractPlatformDomainRule
 
     /*** enum of reasons of why Loan Charge cannot be waived **/
     public static enum LOAN_CHARGE_CANNOT_BE_PAYED_REASON {
-        ALREADY_PAID, ALREADY_WAIVED, LOAN_INACTIVE, CHARGE_NOT_ACCOUNT_TRANSFER;
+        ALREADY_PAID, ALREADY_WAIVED, LOAN_INACTIVE, CHARGE_NOT_ACCOUNT_TRANSFER,CHARGE_NOT_PAYABLE;
 
         public String errorMessage() {
             if (name().toString().equalsIgnoreCase("ALREADY_PAID")) {
@@ -20,7 +20,11 @@ public class LoanChargeCannotBePayedException extends AbstractPlatformDomainRule
                 return "This loan charge has already been waived";
             } else if (name().toString().equalsIgnoreCase("LOAN_INACTIVE")) {
                 return "This loan charge can be payed as the loan associated with it is currently inactive";
-            } else if (name().toString().equalsIgnoreCase("CHARGE_NOT_ACCOUNT_TRANSFER")) { return "This loan charge can be payed as the charge payment mode is not account transfer"; }
+            } else if (name().toString().equalsIgnoreCase("CHARGE_NOT_ACCOUNT_TRANSFER")) {
+                return "This loan charge can be payed as the charge payment mode is not account transfer"; 
+            }else if (name().toString().equalsIgnoreCase("CHARGE_NOT_PAYABLE")) {
+                return "This loan charge is not Payable through account transfer"; 
+            }
 
             return name().toString();
         }
@@ -32,7 +36,11 @@ public class LoanChargeCannotBePayedException extends AbstractPlatformDomainRule
                 return "error.msg.loan.charge.already.waived";
             } else if (name().toString().equalsIgnoreCase("LOAN_INACTIVE")) {
                 return "error.msg.loan.charge.associated.loan.inactive";
-            } else if (name().toString().equalsIgnoreCase("CHARGE_NOT_ACCOUNT_TRANSFER")) { return "error.msg.loan.charge.payment.mode.not.account.transfer"; }
+            } else if (name().toString().equalsIgnoreCase("CHARGE_NOT_ACCOUNT_TRANSFER")) {
+                return "error.msg.loan.charge.payment.mode.not.account.transfer"; 
+            }else if (name().toString().equalsIgnoreCase("CHARGE_NOT_PAYABLE")) {
+                return "error.msg.loan.charge.payment.not.allowed.account.transfer"; 
+            }
             return name().toString();
         }
     }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/charge/exception/LoanChargeCannotBeWaivedException.java

@@ -11,14 +11,19 @@ public class LoanChargeCannotBeWaivedException extends AbstractPlatformDomainRul
 
     /*** enum of reasons of why Loan Charge cannot be waived **/
     public static enum LOAN_CHARGE_CANNOT_BE_WAIVED_REASON {
-        ALREADY_PAID, ALREADY_WAIVED, LOAN_INACTIVE;
+        ALREADY_PAID, ALREADY_WAIVED, LOAN_INACTIVE, WAIVE_NOT_ALLOWED_FOR_CHARGE;
 
         public String errorMessage() {
             if (name().toString().equalsIgnoreCase("ALREADY_PAID")) {
                 return "This loan charge has been completely paid";
             } else if (name().toString().equalsIgnoreCase("ALREADY_WAIVED")) {
                 return "This loan charge has already been waived";
-            } else if (name().toString().equalsIgnoreCase("LOAN_INACTIVE")) { return "This loan charge can be waived as the loan associated with it is currently inactive"; }
+            } else if (name().toString().equalsIgnoreCase("LOAN_INACTIVE")) { 
+                return "This loan charge can be waived as the loan associated with it is currently inactive"; 
+            } else if(name().toString().equalsIgnoreCase("WAIVE_NOT_ALLOWED_FOR_CHARGE")){
+                return "This loan charge can be waived"; 
+            }
+            
             return name().toString();
         }
 
@@ -27,7 +32,11 @@ public class LoanChargeCannotBeWaivedException extends AbstractPlatformDomainRul
                 return "error.msg.loan.charge.already.paid";
             } else if (name().toString().equalsIgnoreCase("ALREADY_WAIVED")) {
                 return "error.msg.loan.charge.already.waived";
-            } else if (name().toString().equalsIgnoreCase("LOAN_INACTIVE")) { return "error.msg.loan.charge.associated.loan.inactive"; }
+            } else if (name().toString().equalsIgnoreCase("LOAN_INACTIVE")) { 
+                return "error.msg.loan.charge.associated.loan.inactive"; 
+            } else if(name().toString().equalsIgnoreCase("WAIVE_NOT_ALLOWED_FOR_CHARGE")) {
+                return "error.msg.loan.charge.waive.not.allowed";
+            }
             return name().toString();
         }
     }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/charge/service/ChargeDropdownReadPlatformServiceImpl.java

@@ -27,9 +27,9 @@ public class ChargeDropdownReadPlatformServiceImpl implements ChargeDropdownRead
     public List<EnumOptionData> retrieveCalculationTypes() {
 
         return Arrays.asList(chargeCalculationType(ChargeCalculationType.FLAT),
-                chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT)
-        // chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT_AND_INTEREST),
-        // chargeCalculationType(ChargeCalculationType.PERCENT_OF_INTEREST)
+                chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT),
+         chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT_AND_INTEREST),
+         chargeCalculationType(ChargeCalculationType.PERCENT_OF_INTEREST)
                 );
     }
 
@@ -64,12 +64,12 @@ public class ChargeDropdownReadPlatformServiceImpl implements ChargeDropdownRead
 
     @Override
     public List<EnumOptionData> retrieveLoanCalculationTypes() {
-        return Arrays.asList(chargeCalculationType(ChargeCalculationType.FLAT), chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT));
+        return Arrays.asList(chargeCalculationType(ChargeCalculationType.FLAT), chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT), chargeCalculationType(ChargeCalculationType.PERCENT_OF_AMOUNT_AND_INTEREST), chargeCalculationType(ChargeCalculationType.PERCENT_OF_INTEREST));
     }
 
     @Override
     public List<EnumOptionData> retrieveLoanCollectionTimeTypes() {
-        return Arrays.asList(chargeTimeType(ChargeTimeType.DISBURSEMENT), chargeTimeType(ChargeTimeType.SPECIFIED_DUE_DATE));
+        return Arrays.asList(chargeTimeType(ChargeTimeType.DISBURSEMENT), chargeTimeType(ChargeTimeType.SPECIFIED_DUE_DATE),chargeTimeType(ChargeTimeType.INSTALMENT_FEE));
     }
 
     @Override

mifosng-provider/src/main/java/org/mifosplatform/portfolio/charge/service/ChargeEnumerations.java

@@ -43,6 +43,9 @@ public class ChargeEnumerations {
             case MONTHLY_FEE:
                 optionData = new EnumOptionData(ChargeTimeType.MONTHLY_FEE.getValue().longValue(), ChargeTimeType.MONTHLY_FEE.getCode(), "Monthly Fee");
             break;
+            case INSTALMENT_FEE:
+                optionData = new EnumOptionData(ChargeTimeType.INSTALMENT_FEE.getValue().longValue(), ChargeTimeType.INSTALMENT_FEE.getCode(), "Instalment Fee");
+            break;
             default:
                 optionData = new EnumOptionData(ChargeTimeType.INVALID.getValue().longValue(), ChargeTimeType.INVALID.getCode(), "Invalid");
             break;

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

@@ -427,9 +427,6 @@ public class Loan extends AbstractPersistable<Long> {
 
         validateChargeHasValidSpecifiedDateIfApplicable(loanCharge, getDisbursementDate(), getLastRepaymentPeriodDueDate());
 
-        loanCharge.update(this);
-        setOfLoanCharges().add(loanCharge);
-
         this.summary = updateSummaryWithTotalFeeChargesDueAtDisbursement(deriveSumTotalOfChargesDueAtDisbursement());
 
         final LoanRepaymentScheduleTransactionProcessor loanRepaymentScheduleTransactionProcessor = this.transactionProcessorFactory
@@ -452,6 +449,19 @@ public class Loan extends AbstractPersistable<Long> {
         } 
 
         updateLoanSummaryDerivedFields();
+        loanCharge.update(this);
+        BigDecimal amount = calculateAmountPercentageAppliedTo(loanCharge);
+        BigDecimal chargeAmt = BigDecimal.ZERO;
+        if(loanCharge.getChargeCalculation().isPercentageBased()){
+            chargeAmt = loanCharge.getPercentage();
+        }else{
+            chargeAmt = loanCharge.amount();
+            if(loanCharge.isInstalmentFee()){
+                chargeAmt = chargeAmt.divide(BigDecimal.valueOf(this.repaymentScheduleDetail().getNumberOfRepayments()));
+            }
+        }
+        loanCharge.update(chargeAmt, loanCharge.getDueLocalDate(), amount, this.repaymentScheduleDetail().getNumberOfRepayments());
+        setOfLoanCharges().add(loanCharge);
         return changedTransactionDetail;
     }
 
@@ -624,9 +634,9 @@ public class Loan extends AbstractPersistable<Long> {
         final Map<String, Object> actualChanges = new LinkedHashMap<String, Object>(3);
 
         validateLoanIsNotClosed(loanCharge);
-
         if (setOfLoanCharges().contains(loanCharge)) {
-            final Map<String, Object> loanChargeChanges = loanCharge.update(command, getPrincpal().getAmount());
+            BigDecimal amount = calculateAmountPercentageAppliedTo(loanCharge);
+            final Map<String, Object> loanChargeChanges = loanCharge.update(command, amount);
             actualChanges.putAll(loanChargeChanges);
             updateSummaryWithTotalFeeChargesDueAtDisbursement(deriveSumTotalOfChargesDueAtDisbursement());
         }
@@ -656,6 +666,30 @@ public class Loan extends AbstractPersistable<Long> {
         return actualChanges;
     }
 
+    /**
+     * @param loanCharge
+     * @return
+     */
+    private BigDecimal calculateAmountPercentageAppliedTo(final LoanCharge loanCharge) {
+        BigDecimal amount = BigDecimal.ZERO;
+        switch (loanCharge.getChargeCalculation()) {
+            case PERCENT_OF_AMOUNT:
+                amount = getPrincpal().getAmount();
+            break;
+            case PERCENT_OF_AMOUNT_AND_INTEREST:
+                final BigDecimal totalInterestCharged = this.loanSummaryWrapper.calculateTotalInterestCharged(
+                        repaymentScheduleInstallments, getCurrency()).getAmount();
+                amount = getPrincpal().getAmount().add(totalInterestCharged);
+            break;
+            case PERCENT_OF_INTEREST:
+                amount = getSummary().getTotalInterestCharged();
+            break;
+            default:
+            break;
+        }
+        return amount;
+    }
+
     public LoanTransaction waiveLoanCharge(final LoanCharge loanCharge, final LoanLifecycleStateMachine loanLifecycleStateMachine,
             final Map<String, Object> changes, final List<Long> existingTransactionIds, final List<Long> existingReversedTransactionIds) {
 
@@ -765,7 +799,21 @@ public class Loan extends AbstractPersistable<Long> {
 
     public void updateLoanCharges(final Set<LoanCharge> loanCharges) {
         setOfLoanCharges().clear();
-        setOfLoanCharges().addAll(associateChargesWithThisLoan(loanCharges));
+        for (final LoanCharge loanCharge : loanCharges) {
+            loanCharge.update(this);
+            BigDecimal amount = calculateAmountPercentageAppliedTo(loanCharge);
+            BigDecimal chargeAmt = BigDecimal.ZERO;
+            if(loanCharge.getChargeCalculation().isPercentageBased()){
+                chargeAmt = loanCharge.getPercentage();
+            }else{
+                chargeAmt = loanCharge.amount();
+                if(loanCharge.isInstalmentFee()){
+                    chargeAmt = chargeAmt.divide(BigDecimal.valueOf(this.repaymentScheduleDetail().getNumberOfRepayments()));
+                }
+            }
+            loanCharge.update(chargeAmt, loanCharge.getDueLocalDate(), amount, this.repaymentScheduleDetail().getNumberOfRepayments());
+        }
+        setOfLoanCharges().addAll(loanCharges);
         updateSummaryWithTotalFeeChargesDueAtDisbursement(deriveSumTotalOfChargesDueAtDisbursement());
     }
 
@@ -1012,6 +1060,17 @@ public class Loan extends AbstractPersistable<Long> {
                 actualChanges.put("recalculateLoanSchedule", true);
 
                 for (final LoanCharge loanCharge : possiblyModifedLoanCharges) {
+                    BigDecimal amount = calculateAmountPercentageAppliedTo(loanCharge);
+                    BigDecimal chargeAmt = BigDecimal.ZERO;
+                    if(loanCharge.getChargeCalculation().isPercentageBased()){
+                        chargeAmt = loanCharge.getPercentage();
+                    }else{
+                        chargeAmt = loanCharge.amount();
+                        if(loanCharge.isInstalmentFee()){
+                            chargeAmt = chargeAmt.divide(BigDecimal.valueOf(this.repaymentScheduleDetail().getNumberOfRepayments()));
+                        }
+                    }
+                    loanCharge.update(chargeAmt, loanCharge.getDueLocalDate(), amount, this.repaymentScheduleDetail().getNumberOfRepayments());
                     validateChargeHasValidSpecifiedDateIfApplicable(loanCharge, getDisbursementDate(), getLastRepaymentPeriodDueDate());
                 }
             }
@@ -1143,6 +1202,17 @@ public class Loan extends AbstractPersistable<Long> {
 
         // charges are optional
         for (final LoanCharge loanCharge : setOfLoanCharges()) {
+            BigDecimal amount = calculateAmountPercentageAppliedTo(loanCharge);
+            BigDecimal chargeAmt = BigDecimal.ZERO;
+            if(loanCharge.getChargeCalculation().isPercentageBased()){
+                chargeAmt = loanCharge.getPercentage();
+            }else{
+                chargeAmt = loanCharge.amount();
+                if(loanCharge.isInstalmentFee()){
+                    chargeAmt = chargeAmt.divide(BigDecimal.valueOf(this.repaymentScheduleDetail().getNumberOfRepayments()));
+                }
+            }
+            loanCharge.update(chargeAmt, loanCharge.getDueLocalDate(), amount, this.repaymentScheduleDetail().getNumberOfRepayments());
             validateChargeHasValidSpecifiedDateIfApplicable(loanCharge, getDisbursementDate(), getLastRepaymentPeriodDueDate());
         }
 

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

@@ -103,9 +103,23 @@ public class LoanCharge extends AbstractPersistable<Long> {
         final ChargeTimeType chargeTime = null;
         final ChargeCalculationType chargeCalculation = null;
         final ChargePaymentMode chargePaymentMode = null;
+        BigDecimal amountPercentageAppliedTo = BigDecimal.ZERO;
+        switch (ChargeCalculationType.fromInt(chargeDefinition.getChargeCalculation())) {
+            case PERCENT_OF_AMOUNT:
+                amountPercentageAppliedTo = loan.getPrincpal().getAmount();
+                break;
+            case PERCENT_OF_AMOUNT_AND_INTEREST:
+                amountPercentageAppliedTo = loan.getPrincpal().getAmount().add(loan.getSummary().getTotalInterestCharged());
+                break;
+            case PERCENT_OF_INTEREST:
+                amountPercentageAppliedTo = loan.getSummary().getTotalInterestCharged();
+            break;
+            default:
+               break;
+        }
 
-        return new LoanCharge(loan, chargeDefinition, loan.getPrincpal().getAmount(), amount, chargeTime, chargeCalculation, dueDate,
-                chargePaymentMode);
+        return new LoanCharge(loan, chargeDefinition, amountPercentageAppliedTo, amount, chargeTime, chargeCalculation, dueDate,
+                chargePaymentMode, null);
     }
 
     /*
@@ -113,8 +127,8 @@ 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 dueDate,
-            final ChargePaymentMode chargePaymentMode) {
-        return new LoanCharge(null, chargeDefinition, loanPrincipal, amount, chargeTime, chargeCalculation, dueDate, chargePaymentMode);
+            final ChargePaymentMode chargePaymentMode,final Integer numberOfRepayments) {
+        return new LoanCharge(null, chargeDefinition, loanPrincipal, amount, chargeTime, chargeCalculation, dueDate, chargePaymentMode, numberOfRepayments);
     }
 
     protected LoanCharge() {
@@ -123,7 +137,7 @@ public class LoanCharge extends AbstractPersistable<Long> {
 
     public LoanCharge(final Loan loan, final Charge chargeDefinition, final BigDecimal loanPrincipal, final BigDecimal amount,
             final ChargeTimeType chargeTime, final ChargeCalculationType chargeCalculation, final LocalDate dueDate,
-            final ChargePaymentMode chargePaymentMode) {
+            final ChargePaymentMode chargePaymentMode, Integer numberOfRepayments) {
         this.loan = loan;
         this.charge = chargeDefinition;
         this.penaltyCharge = chargeDefinition.isPenalty();
@@ -162,12 +176,11 @@ public class LoanCharge extends AbstractPersistable<Long> {
         if (chargePaymentMode != null) {
             this.chargePaymentMode = chargePaymentMode.getValue();
         }
-
-        populateDerivedFields(loanPrincipal,chargeAmount);
+        populateDerivedFields(loanPrincipal, chargeAmount,numberOfRepayments);
         this.paid = determineIfFullyPaid();
     }
 
-    private void populateDerivedFields(final BigDecimal loanPrincipal, final BigDecimal chargeAmount) {
+    private void populateDerivedFields(final BigDecimal amountPercentageAppliedTo, final BigDecimal chargeAmount,Integer numberOfRepayments) {
 
         switch (ChargeCalculationType.fromInt(this.chargeCalculation)) {
             case INVALID:
@@ -181,40 +194,31 @@ public class LoanCharge extends AbstractPersistable<Long> {
             break;
             case FLAT:
                 this.percentage = null;
-                this.amount = chargeAmount;
                 this.amountPercentageAppliedTo = null;
                 this.amountPaid = null;
-                this.amountOutstanding = chargeAmount;
+                if(this.isInstalmentFee()){
+                    if(numberOfRepayments == null){
+                        numberOfRepayments = this.loan.repaymentScheduleDetail().getNumberOfRepayments();
+                    }
+                    this.amount = chargeAmount.multiply(BigDecimal.valueOf(numberOfRepayments));
+                }else{
+                    this.amount = chargeAmount;
+                }
+                this.amountOutstanding = this.amount;
                 this.amountWaived = null;
                 this.amountWrittenOff = null;
             break;
             case PERCENT_OF_AMOUNT:
+            case PERCENT_OF_AMOUNT_AND_INTEREST:
+            case PERCENT_OF_INTEREST:
                 this.percentage = chargeAmount;
-                this.amountPercentageAppliedTo = loanPrincipal;
+                this.amountPercentageAppliedTo = amountPercentageAppliedTo;
                 this.amount = minimumAndMaximumCap(percentageOf(this.amountPercentageAppliedTo, this.percentage));
                 this.amountPaid = null;
                 this.amountOutstanding = calculateOutstanding();
                 this.amountWaived = null;
                 this.amountWrittenOff = null;
             break;
-            case PERCENT_OF_AMOUNT_AND_INTEREST:
-                this.percentage = null;
-                this.amount = null;
-                this.amountPercentageAppliedTo = null;
-                this.amountPaid = null;
-                this.amountOutstanding = BigDecimal.ZERO;
-                this.amountWaived = null;
-                this.amountWrittenOff = null;
-            break;
-            case PERCENT_OF_INTEREST:
-                this.percentage = null;
-                this.amount = null;
-                this.amountPercentageAppliedTo = null;
-                this.amountPaid = null;
-                this.amountOutstanding = BigDecimal.ZERO;
-                this.amountWaived = null;
-                this.amountWrittenOff = null;
-            break;
         }
     }
 
@@ -255,7 +259,7 @@ public class LoanCharge extends AbstractPersistable<Long> {
         this.loan = loan;
     }
 
-    public void update(final BigDecimal amount, final LocalDate dueDate, final BigDecimal loanPrincipal) {
+    public void update(final BigDecimal amount, final LocalDate dueDate, final BigDecimal loanPrincipal, Integer numberOfRepayments) {
         if (dueDate != null) {
             this.dueDate = dueDate.toDate();
         }
@@ -265,31 +269,28 @@ public class LoanCharge extends AbstractPersistable<Long> {
                 case INVALID:
                 break;
                 case FLAT:
-                    this.amount = amount;
+                    if(this.isInstalmentFee()){
+                        if(numberOfRepayments == null){
+                            numberOfRepayments = this.loan.repaymentScheduleDetail().getNumberOfRepayments();
+                        }
+                        this.amount =  amount.multiply(BigDecimal.valueOf(numberOfRepayments));
+                    }else{
+                        this.amount = amount;
+                    }
                 break;
                 case PERCENT_OF_AMOUNT:
+                case PERCENT_OF_AMOUNT_AND_INTEREST:
+                case PERCENT_OF_INTEREST:
                     this.percentage = amount;
                     this.amountPercentageAppliedTo = loanPrincipal;
                     this.amount = minimumAndMaximumCap(percentageOf(this.amountPercentageAppliedTo, this.percentage));
                     this.amountOutstanding = calculateOutstanding();
-                break;
-                case PERCENT_OF_AMOUNT_AND_INTEREST:
-                    this.percentage = amount;
-                    this.amount = null;
-                    this.amountPercentageAppliedTo = null;
-                    this.amountOutstanding = null;
-                break;
-                case PERCENT_OF_INTEREST:
-                    this.percentage = amount;
-                    this.amount = null;
-                    this.amountPercentageAppliedTo = null;
-                    this.amountOutstanding = null;
-                break;
+               break;
             }
         }
     }
 
-    public Map<String, Object> update(final JsonCommand command, final BigDecimal loanPrincipal) {
+    public Map<String, Object> update(final JsonCommand command, final BigDecimal amount) {
 
         final Map<String, Object> actualChanges = new LinkedHashMap<String, Object>(7);
 
@@ -316,25 +317,19 @@ public class LoanCharge extends AbstractPersistable<Long> {
                 case INVALID:
                 break;
                 case FLAT:
-                    this.amount = newValue;
+                    if(this.isInstalmentFee()){
+                        this.amount =  newValue.multiply(BigDecimal.valueOf(this.loan.repaymentScheduleDetail().getNumberOfRepayments()));
+                    }else{
+                        this.amount = newValue;
+                    }
                 break;
                 case PERCENT_OF_AMOUNT:
-                    this.percentage = newValue;
-                    this.amountPercentageAppliedTo = loanPrincipal;
-                    this.amount = minimumAndMaximumCap(percentageOf(this.amountPercentageAppliedTo, this.percentage));
-                    this.amountOutstanding = calculateOutstanding();
-                break;
                 case PERCENT_OF_AMOUNT_AND_INTEREST:
-                    this.percentage = newValue;
-                    this.amount = null;
-                    this.amountPercentageAppliedTo = null;
-                    this.amountOutstanding = null;
-                break;
                 case PERCENT_OF_INTEREST:
                     this.percentage = newValue;
-                    this.amount = null;
-                    this.amountPercentageAppliedTo = null;
-                    this.amountOutstanding = null;
+                    this.amountPercentageAppliedTo = amount;
+                    this.amount = minimumAndMaximumCap(percentageOf(this.amountPercentageAppliedTo, this.percentage));
+                    this.amountOutstanding = calculateOutstanding();
                 break;
             }
         }
@@ -349,6 +344,10 @@ public class LoanCharge extends AbstractPersistable<Long> {
     public boolean isSpecifiedDueDate() {
         return ChargeTimeType.fromInt(this.chargeTime).equals(ChargeTimeType.SPECIFIED_DUE_DATE);
     }
+    
+    public boolean isInstalmentFee() {
+        return ChargeTimeType.fromInt(this.chargeTime).equals(ChargeTimeType.INSTALMENT_FEE);
+    }
 
     private boolean isGreaterThanZero(final BigDecimal value) {
         return value.compareTo(BigDecimal.ZERO) == 1;
@@ -367,11 +366,16 @@ public class LoanCharge extends AbstractPersistable<Long> {
     }
 
     private boolean determineIfFullyPaid() {
+        if(this.amount == null){
+            return true;
+        }
         return BigDecimal.ZERO.compareTo(calculateOutstanding()) == 0;
     }
 
     private BigDecimal calculateOutstanding() {
-
+        if(this.amount == null){
+            return null;
+        }
         BigDecimal amountPaidLocal = BigDecimal.ZERO;
         if (this.amountPaid != null) {
             amountPaidLocal = this.amountPaid;
@@ -573,4 +577,20 @@ public class LoanCharge extends AbstractPersistable<Long> {
     public ChargePaymentMode getChargePaymentMode() {
         return ChargePaymentMode.fromInt(this.chargePaymentMode);
     }
+
+    
+    public ChargeCalculationType getChargeCalculation() {
+        return ChargeCalculationType.fromInt(this.chargeCalculation);
+    }
+
+    
+    public BigDecimal getPercentage() {
+        return this.percentage;
+    }
+
+    
+    public void updateAmount(BigDecimal amount) {
+        this.amount = amount;
+        calculateOutstanding();
+    }
 }

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

@@ -5,6 +5,7 @@
  */
 package org.mifosplatform.portfolio.loanaccount.domain;
 
+import java.math.BigDecimal;
 import java.util.List;
 import java.util.Set;
 
@@ -25,14 +26,14 @@ public class LoanRepaymentScheduleProcessingWrapper {
         for (final LoanRepaymentScheduleInstallment period : repaymentPeriods) {
 
             final Money feeChargesDueForRepaymentPeriod = cumulativeFeeChargesDueWithin(startDate, period.getDueDate(), loanCharges,
-                    currency);
+                    currency,period,repaymentPeriods.size());
             final Money feeChargesWaivedForRepaymentPeriod = cumulativeFeeChargesWaivedWithin(startDate, period.getDueDate(), loanCharges,
                     currency);
             final Money feeChargesWrittenOffForRepaymentPeriod = cumulativeFeeChargesWrittenOffWithin(startDate, period.getDueDate(),
                     loanCharges, currency);
 
             final Money penaltyChargesDueForRepaymentPeriod = cumulativePenaltyChargesDueWithin(startDate, period.getDueDate(),
-                    loanCharges, currency);
+                    loanCharges, currency,period,repaymentPeriods.size());
             final Money penaltyChargesWaivedForRepaymentPeriod = cumulativePenaltyChargesWaivedWithin(startDate, period.getDueDate(),
                     loanCharges, currency);
             final Money penaltyChargesWrittenOffForRepaymentPeriod = cumulativePenaltyChargesWrittenOffWithin(startDate,
@@ -47,13 +48,42 @@ public class LoanRepaymentScheduleProcessingWrapper {
     }
 
     private Money cumulativeFeeChargesDueWithin(final LocalDate periodStart, final LocalDate periodEnd, final Set<LoanCharge> loanCharges,
-            final MonetaryCurrency monetaryCurrency) {
+            final MonetaryCurrency monetaryCurrency,LoanRepaymentScheduleInstallment period,int numberOfRepayments) {
 
         Money cumulative = Money.zero(monetaryCurrency);
 
         for (final LoanCharge loanCharge : loanCharges) {
-            if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd) && loanCharge.isFeeCharge()) {
-                cumulative = cumulative.plus(loanCharge.amount());
+            if (loanCharge.isFeeCharge()) {
+                if (loanCharge.isInstalmentFee()) {
+                    if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                        BigDecimal amount = BigDecimal.ZERO;
+                        if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                            amount = amount.add(period.getPrincipal(monetaryCurrency).getAmount()).add(
+                                    period.getInterestCharged(monetaryCurrency).getAmount());
+                        } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                            amount = amount.add(period.getInterestCharged(monetaryCurrency).getAmount());
+                        } else {
+                            amount = amount.add(period.getPrincipal(monetaryCurrency).getAmount());
+                        }
+                        BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                        cumulative = cumulative.plus(loanChargeAmt);
+                    } else {
+                        cumulative = cumulative.plus(loanCharge.amount().divide(BigDecimal.valueOf(numberOfRepayments)));
+                    }
+                } else if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                    BigDecimal amount = BigDecimal.ZERO;
+                    if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                        amount = amount.add(period.getLoan().getSummary().getTotalPrincipalDisbursed()).add(period.getLoan().getSummary().getTotalInterestCharged());
+                    } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                        amount = amount.add(period.getLoan().getSummary().getTotalInterestCharged());
+                    } else {
+                        amount = amount.add(period.getLoan().getSummary().getTotalPrincipalDisbursed());
+                    }
+                    BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                    cumulative = cumulative.plus(loanChargeAmt);
+                } else if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd)) {
+                    cumulative = cumulative.plus(loanCharge.amount());
+                }
             }
         }
 
@@ -89,13 +119,42 @@ public class LoanRepaymentScheduleProcessingWrapper {
     }
 
     private Money cumulativePenaltyChargesDueWithin(final LocalDate periodStart, final LocalDate periodEnd,
-            final Set<LoanCharge> loanCharges, final MonetaryCurrency currency) {
+            final Set<LoanCharge> loanCharges, final MonetaryCurrency currency,LoanRepaymentScheduleInstallment period,int numberOfRepayments) {
 
         Money cumulative = Money.zero(currency);
 
         for (final LoanCharge loanCharge : loanCharges) {
-            if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd) && loanCharge.isPenaltyCharge()) {
-                cumulative = cumulative.plus(loanCharge.amount());
+            if (loanCharge.isPenaltyCharge()) {
+                if (loanCharge.isInstalmentFee()) {
+                    if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                        BigDecimal amount = BigDecimal.ZERO;
+                        if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                            amount = amount.add(period.getPrincipal(currency).getAmount())
+                                    .add(period.getInterestCharged(currency).getAmount());
+                        } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                            amount = amount.add(period.getInterestCharged(currency).getAmount());
+                        } else {
+                            amount = amount.add(period.getPrincipal(currency).getAmount());
+                        }
+                        BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                        cumulative = cumulative.plus(loanChargeAmt);
+                    } else {
+                        cumulative = cumulative.plus(loanCharge.amount().divide(BigDecimal.valueOf(numberOfRepayments)));
+                    }
+                } else if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                    BigDecimal amount = BigDecimal.ZERO;
+                    if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                        amount = amount.add(period.getLoan().getSummary().getTotalPrincipalDisbursed()).add(period.getLoan().getSummary().getTotalInterestCharged());
+                    } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                        amount = amount.add(period.getLoan().getSummary().getTotalInterestCharged());
+                    } else {
+                        amount = amount.add(period.getLoan().getSummary().getTotalPrincipalDisbursed());
+                    }
+                    BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                    cumulative = cumulative.plus(loanChargeAmt);
+                } else if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd)) {
+                    cumulative = cumulative.plus(loanCharge.amount());
+                }
             }
         }
 

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

@@ -274,4 +274,9 @@ public final class LoanSummary {
                 .plus(this.totalFeeChargesOutstanding).plus(this.totalPenaltyChargesOutstanding);
         this.totalOutstanding = totalOutstanding.getAmount();
     }
+
+    
+    public BigDecimal getTotalPrincipalDisbursed() {
+        return this.totalPrincipalDisbursed;
+    }
 }

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

@@ -257,14 +257,21 @@ public abstract class AbstractLoanRepaymentScheduleTransactionProcessor implemen
 
     private LoanCharge findEarliestUnpaidChargeFromUnOrderedSet(final Set<LoanCharge> charges) {
         LoanCharge earliestUnpaidCharge = null;
-
+        LoanCharge installemntCharge = null;
         for (final LoanCharge loanCharge : charges) {
             if (loanCharge.isNotFullyPaid() && !loanCharge.isDueAtDisbursement()) {
-                if (earliestUnpaidCharge == null || loanCharge.getDueLocalDate().isBefore(earliestUnpaidCharge.getDueLocalDate())) {
+                if(loanCharge.isInstalmentFee()){
+                    if(installemntCharge == null){
+                        installemntCharge = loanCharge;
+                    }
+                }else if (earliestUnpaidCharge == null || loanCharge.getDueLocalDate().isBefore(earliestUnpaidCharge.getDueLocalDate())) {
                     earliestUnpaidCharge = loanCharge;
                 }
             }
         }
+        if(earliestUnpaidCharge == null || earliestUnpaidCharge.getDueLocalDate().isAfter(new LocalDate())){
+            earliestUnpaidCharge = installemntCharge;
+        }
 
         return earliestUnpaidCharge;
     }

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

@@ -108,9 +108,10 @@ public abstract class AbstractLoanScheduleGenerator implements LoanScheduleGener
             outstandingBalance = outstandingBalance.minus(principalInterestForThisPeriod.principal());
 
             // 7. determine fees and penalties
-            final Money feeChargesForInstallment = cumulativeFeeChargesDueWithin(periodStartDate, scheduledDueDate, loanCharges, currency);
+            final Money feeChargesForInstallment = cumulativeFeeChargesDueWithin(periodStartDate, scheduledDueDate, loanCharges, currency,
+                    principalInterestForThisPeriod, principalDisbursed, totalInterestChargedForFullLoanTerm, numberOfRepayments);
             final Money penaltyChargesForInstallment = cumulativePenaltyChargesDueWithin(periodStartDate, scheduledDueDate, loanCharges,
-                    currency);
+                    currency, principalInterestForThisPeriod, principalDisbursed, totalInterestChargedForFullLoanTerm, numberOfRepayments);
 
             // 8. sum up real totalInstallmentDue from components
             final Money totalInstallmentDue = principalInterestForThisPeriod.principal() //
@@ -174,13 +175,43 @@ public abstract class AbstractLoanScheduleGenerator implements LoanScheduleGener
     }
 
     private Money cumulativeFeeChargesDueWithin(final LocalDate periodStart, final LocalDate periodEnd, final Set<LoanCharge> loanCharges,
-            final MonetaryCurrency monetaryCurrency) {
+            final MonetaryCurrency monetaryCurrency, final PrincipalInterest principalInterestForThisPeriod,
+            final Money principalDisbursed, final Money totalInterestChargedForFullLoanTerm, int numberOfRepayments) {
 
         Money cumulative = Money.zero(monetaryCurrency);
 
         for (final LoanCharge loanCharge : loanCharges) {
-            if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd) && loanCharge.isFeeCharge()) {
-                cumulative = cumulative.plus(loanCharge.amount());
+            if (loanCharge.isFeeCharge()) {
+                if (loanCharge.isInstalmentFee()) {
+                    if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                        BigDecimal amount = BigDecimal.ZERO;
+                        if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                            amount = amount.add(principalInterestForThisPeriod.principal().getAmount()).add(
+                                    principalInterestForThisPeriod.interest().getAmount());
+                        } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                            amount = amount.add(principalInterestForThisPeriod.interest().getAmount());
+                        } else {
+                            amount = amount.add(principalInterestForThisPeriod.principal().getAmount());
+                        }
+                        BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                        cumulative = cumulative.plus(loanChargeAmt);
+                    } else {
+                        cumulative = cumulative.plus(loanCharge.amount().divide(BigDecimal.valueOf(numberOfRepayments)));
+                    }
+                } else if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                    BigDecimal amount = BigDecimal.ZERO;
+                    if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                        amount = amount.add(principalDisbursed.getAmount()).add(totalInterestChargedForFullLoanTerm.getAmount());
+                    } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                        amount = amount.add(totalInterestChargedForFullLoanTerm.getAmount());
+                    } else {
+                        amount = amount.add(principalDisbursed.getAmount());
+                    }
+                    BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                    cumulative = cumulative.plus(loanChargeAmt);
+                } else if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd)) {
+                    cumulative = cumulative.plus(loanCharge.amount());
+                }
             }
         }
 
@@ -188,13 +219,44 @@ public abstract class AbstractLoanScheduleGenerator implements LoanScheduleGener
     }
 
     private Money cumulativePenaltyChargesDueWithin(final LocalDate periodStart, final LocalDate periodEnd,
-            final Set<LoanCharge> loanCharges, final MonetaryCurrency monetaryCurrency) {
+            final Set<LoanCharge> loanCharges, final MonetaryCurrency monetaryCurrency,
+            final PrincipalInterest principalInterestForThisPeriod, final Money principalDisbursed,
+            final Money totalInterestChargedForFullLoanTerm, int numberOfRepayments) {
 
         Money cumulative = Money.zero(monetaryCurrency);
 
         for (final LoanCharge loanCharge : loanCharges) {
-            if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd) && loanCharge.isPenaltyCharge()) {
-                cumulative = cumulative.plus(loanCharge.amount());
+            if (loanCharge.isPenaltyCharge()) {
+                if (loanCharge.isInstalmentFee()) {
+                    if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                        BigDecimal amount = BigDecimal.ZERO;
+                        if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                            amount = amount.add(principalInterestForThisPeriod.principal().getAmount()).add(
+                                    principalInterestForThisPeriod.interest().getAmount());
+                        } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                            amount = amount.add(principalInterestForThisPeriod.interest().getAmount());
+                        } else {
+                            amount = amount.add(principalInterestForThisPeriod.principal().getAmount());
+                        }
+                        BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                        cumulative = cumulative.plus(loanChargeAmt);
+                    } else {
+                        cumulative = cumulative.plus(loanCharge.amount().divide(BigDecimal.valueOf(numberOfRepayments)));
+                    }
+                } else if (loanCharge.getChargeCalculation().isPercentageBased()) {
+                    BigDecimal amount = BigDecimal.ZERO;
+                    if (loanCharge.getChargeCalculation().isPercentageOfAmountAndInterest()) {
+                        amount = amount.add(principalDisbursed.getAmount()).add(totalInterestChargedForFullLoanTerm.getAmount());
+                    } else if (loanCharge.getChargeCalculation().isPercentageOfInterest()) {
+                        amount = amount.add(totalInterestChargedForFullLoanTerm.getAmount());
+                    } else {
+                        amount = amount.add(principalDisbursed.getAmount());
+                    }
+                    BigDecimal loanChargeAmt = amount.multiply(loanCharge.getPercentage()).divide(BigDecimal.valueOf(100));
+                    cumulative = cumulative.plus(loanChargeAmt);
+                } else if (loanCharge.isDueForCollectionFromAndUpToAndIncluding(periodStart, periodEnd)) {
+                    cumulative = cumulative.plus(loanCharge.amount());
+                }
             }
         }
 

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

@@ -325,12 +325,6 @@ public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements Loa
                 existingLoanApplication.updateTransactionProcessingStrategy(strategy);
             }
 
-            final String chargesParamName = "charges";
-            if (changes.containsKey(chargesParamName)) {
-                final Set<LoanCharge> loanCharges = this.loanChargeAssembler.fromParsedJson(command.parsedJson());
-                existingLoanApplication.updateLoanCharges(loanCharges);
-            }
-
             final String collateralParamName = "collateral";
             if (changes.containsKey(collateralParamName)) {
                 final Set<LoanCollateral> loanCollateral = this.loanCollateralAssembler.fromParsedJson(command.parsedJson());
@@ -346,6 +340,12 @@ public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements Loa
                 final LoanScheduleModel loanSchedule = this.calculationPlatformService.calculateLoanSchedule(query);
                 existingLoanApplication.updateLoanSchedule(loanSchedule);
             }
+            
+            final String chargesParamName = "charges";
+            if (changes.containsKey(chargesParamName)) {
+                final Set<LoanCharge> loanCharges = this.loanChargeAssembler.fromParsedJson(command.parsedJson());
+                existingLoanApplication.updateLoanCharges(loanCharges);
+            }
 
             this.loanRepository.saveAndFlush(existingLoanApplication);
 

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

@@ -47,6 +47,7 @@ public class LoanChargeAssembler {
         final Set<LoanCharge> loanCharges = new HashSet<LoanCharge>();
 
         final BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalWithLocaleNamed("principal", element);
+        final Integer numberOfRepayments = this.fromApiJsonHelper.extractIntegerWithLocaleNamed("numberOfRepayments", element);
 
         if (element.isJsonObject()) {
             final JsonObject topLevelJsonElement = element.getAsJsonObject();
@@ -83,14 +84,14 @@ public class LoanChargeAssembler {
                             chargePaymentModeEnum = ChargePaymentMode.fromInt(chargePaymentMode);
                         }
                         final LoanCharge loanCharge = LoanCharge.createNewWithoutLoan(chargeDefinition, principal, amount, chargeTime,
-                                chargeCalculation, dueDate, chargePaymentModeEnum);
+                                chargeCalculation, dueDate, chargePaymentModeEnum,numberOfRepayments);
                         loanCharges.add(loanCharge);
                     } else {
                         final Long loanChargeId = id;
                         final LoanCharge loanCharge = this.loanChargeRepository.findOne(loanChargeId);
                         if (loanCharge == null) { throw new LoanChargeNotFoundException(loanChargeId); }
 
-                        loanCharge.update(amount, dueDate, principal);
+                        loanCharge.update(amount, dueDate, principal, numberOfRepayments);
 
                         loanCharges.add(loanCharge);
                     }

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

@@ -925,7 +925,11 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         if (loanCharge.isWaived()) {
             throw new LoanChargeCannotBeWaivedException(LOAN_CHARGE_CANNOT_BE_WAIVED_REASON.ALREADY_WAIVED, loanCharge.getId());
         } else if (loanCharge.isPaid()) { throw new LoanChargeCannotBeWaivedException(LOAN_CHARGE_CANNOT_BE_WAIVED_REASON.ALREADY_PAID,
-                loanCharge.getId()); }
+                loanCharge.getId()); 
+        } else if (loanCharge.isInstalmentFee()){
+            throw new LoanChargeCannotBeWaivedException(LOAN_CHARGE_CANNOT_BE_WAIVED_REASON.WAIVE_NOT_ALLOWED_FOR_CHARGE,
+                    loanCharge.getId()); 
+        }
 
         final Map<String, Object> changes = new LinkedHashMap<String, Object>(3);
 
@@ -1001,7 +1005,11 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         if (loanCharge.isWaived()) {
             throw new LoanChargeCannotBePayedException(LOAN_CHARGE_CANNOT_BE_PAYED_REASON.ALREADY_WAIVED, loanCharge.getId());
         } else if (loanCharge.isPaid()) { throw new LoanChargeCannotBePayedException(LOAN_CHARGE_CANNOT_BE_PAYED_REASON.ALREADY_PAID,
-                loanCharge.getId()); }
+                loanCharge.getId()); 
+        }else if (loanCharge.isInstalmentFee()){
+            throw new LoanChargeCannotBePayedException(LOAN_CHARGE_CANNOT_BE_PAYED_REASON.CHARGE_NOT_PAYABLE,
+                    loanCharge.getId()); 
+        }
 
         if (!loanCharge.getChargePaymentMode().isPaymentModeAccountTransfer()) { throw new LoanChargeCannotBePayedException(
                 LOAN_CHARGE_CANNOT_BE_PAYED_REASON.CHARGE_NOT_ACCOUNT_TRANSFER, loanCharge.getId()); }