WIP: add min and max constraint to Principal amount

mifosng-db/migrations/V5_add_min_max_principal_column_to_loan.sql

@@ -0,0 +1,7 @@
+ALTER TABLE `m_product_loan`
+	ADD COLUMN `min_principal_amount` DECIMAL(19,6) NOT NULL AFTER `principal_amount`,
+	ADD COLUMN `max_principal_amount` DECIMAL(19,6) NOT NULL AFTER `min_principal_amount`;
+	
+ALTER TABLE `m_loan`
+	ADD COLUMN `min_principal_amount` DECIMAL(19,6) NOT NULL AFTER `principal_amount`,
+	ADD COLUMN `max_principal_amount` DECIMAL(19,6) NOT NULL AFTER `min_principal_amount`;	

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/core/data/DataValidatorBuilder.java

@@ -372,6 +372,23 @@ public class DataValidatorBuilder {
         return this;
     }
 
+    public DataValidatorBuilder inMinAndMaxAmountRange(final BigDecimal minimumAmount, final BigDecimal maximumAmount) {
+        if (minimumAmount != null && maximumAmount != null && value != null){
+            BigDecimal amount = BigDecimal.valueOf(Double.valueOf(value.toString()));
+            if (amount.compareTo(minimumAmount) == -1 || amount.compareTo(maximumAmount) == 1) {
+                StringBuilder validationErrorCode = new StringBuilder("validation.msg.").append(resource).append(".").append(parameter)
+                        .append(".amount.is.not.within.min.max.range");
+                StringBuilder defaultEnglishMessage = new StringBuilder("The ").append(parameter) .append(" amount ").append(amount)
+                        .append(" must be between ").append(minimumAmount).append(" and ").append(maximumAmount).append(" .");
+                ApiParameterError error = ApiParameterError.parameterError(validationErrorCode.toString(),
+                        defaultEnglishMessage.toString(), parameter, amount, minimumAmount, maximumAmount);
+                dataValidationErrors.add(error);
+                return this;
+            }
+        }
+        return this;
+    }
+
     public DataValidatorBuilder comapareMinAndMaxOfTwoBigDecmimalNos(final BigDecimal min, final BigDecimal max) {
         if (min != null && max != null)
             if (max.compareTo(min) == -1) {

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

@@ -1317,6 +1317,8 @@ public class Loan extends AbstractPersistable<Long> {
         final LoanScheduleGenerator loanScheduleGenerator = new DefaultLoanScheduleGeneratorFactory().create(interestMethod);
 
         final BigDecimal principal = this.loanRepaymentScheduleDetail.getPrincipal().getAmount();
+        final BigDecimal minPrincipal = this.loanRepaymentScheduleDetail.getMinPrincipal().getAmount();
+        final BigDecimal maxPrincipal = this.loanRepaymentScheduleDetail.getMaxPrincipal().getAmount();
         final BigDecimal inArrearsTolerance = this.loanRepaymentScheduleDetail.getInArrearsTolerance().getAmount();
         final BigDecimal interestRatePerPeriod = this.loanRepaymentScheduleDetail.getNominalInterestRatePerPeriod();
         final PeriodFrequencyType interestRatePeriodFrequencyType = this.loanRepaymentScheduleDetail.getInterestPeriodFrequencyType();
@@ -1331,11 +1333,11 @@ public class Loan extends AbstractPersistable<Long> {
         final Integer loanTermFrequency = this.termFrequency;
         final PeriodFrequencyType loanTermPeriodFrequencyType = PeriodFrequencyType.fromInt(this.termPeriodFrequencyType);
 
-        final LoanSchedule loanSchedule = new LoanSchedule(loanScheduleGenerator, applicationCurrency, principal, interestRatePerPeriod,
-                interestRatePeriodFrequencyType, defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod,
-                repaymentEvery, repaymentPeriodFrequencyType, numberOfRepayments, amortizationMethod, loanTermFrequency,
-                loanTermPeriodFrequencyType, setOfLoanCharges(), this.getDisbursementDate(), this.getExpectedFirstRepaymentOnDate(),
-                this.getInterestChargedFromDate(), inArrearsTolerance);
+        final LoanSchedule loanSchedule = new LoanSchedule(loanScheduleGenerator, applicationCurrency, principal, minPrincipal,
+                maxPrincipal, interestRatePerPeriod, interestRatePeriodFrequencyType, defaultAnnualNominalInterestRate, interestMethod,
+                interestCalculationPeriodMethod, repaymentEvery, repaymentPeriodFrequencyType, numberOfRepayments, amortizationMethod,
+                loanTermFrequency, loanTermPeriodFrequencyType, setOfLoanCharges(), this.getDisbursementDate(),
+                this.getExpectedFirstRepaymentOnDate(), this.getInterestChargedFromDate(), inArrearsTolerance);
 
         final LoanScheduleData generatedData = loanSchedule.generate();
 

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

@@ -27,6 +27,8 @@ public final class LoanSchedule {
     private final LoanScheduleGenerator loanScheduleGenerator;
     private final ApplicationCurrency applicationCurrency;
     private final BigDecimal principal;
+    private final BigDecimal minPrincipal;
+    private final BigDecimal maxPrincipal;
     private final BigDecimal nominalInterestRatePerPeriod;
     private final PeriodFrequencyType interestRatePeriodFrequencyType;
     private final BigDecimal nominalAnnualInterestRate;
@@ -46,17 +48,19 @@ public final class LoanSchedule {
     private final Set<LoanCharge> loanCharges;
 
     public LoanSchedule(final LoanScheduleGenerator loanScheduleGenerator, final ApplicationCurrency applicationCurrency,
-            final BigDecimal principal, final BigDecimal nominalInterestRatePerPeriod,
-            final PeriodFrequencyType interestRatePeriodFrequencyType, final BigDecimal nominalAnnualInterestRate,
-            final InterestMethod interestMethod, final InterestCalculationPeriodMethod interestCalculationPeriodMethod,
-            final Integer repaymentEvery, final PeriodFrequencyType repaymentPeriodFrequencyType, final Integer numberOfRepayments,
+            final BigDecimal principal, final BigDecimal minPrincipal, final BigDecimal maxPrincipal,
+            final BigDecimal nominalInterestRatePerPeriod, final PeriodFrequencyType interestRatePeriodFrequencyType,
+            final BigDecimal nominalAnnualInterestRate, final InterestMethod interestMethod,
+            final InterestCalculationPeriodMethod interestCalculationPeriodMethod, final Integer repaymentEvery,
+            final PeriodFrequencyType repaymentPeriodFrequencyType, final Integer numberOfRepayments,
             final AmortizationMethod amortizationMethod, final Integer loanTermFrequency,
             final PeriodFrequencyType loanTermPeriodFrequencyType, final Set<LoanCharge> loanCharges, final LocalDate disbursementDate,
-            final LocalDate repaymentStartFromDate, final LocalDate interestChargedFromDate, 
-            final BigDecimal inArrearsTolerance) {
+            final LocalDate repaymentStartFromDate, final LocalDate interestChargedFromDate, final BigDecimal inArrearsTolerance) {
         this.loanScheduleGenerator = loanScheduleGenerator;
         this.applicationCurrency = applicationCurrency;
         this.principal = principal;
+        this.minPrincipal = minPrincipal;
+        this.maxPrincipal = maxPrincipal;
         this.nominalInterestRatePerPeriod = nominalInterestRatePerPeriod;
         this.interestRatePeriodFrequencyType = interestRatePeriodFrequencyType;
         this.nominalAnnualInterestRate = nominalAnnualInterestRate;
@@ -83,9 +87,9 @@ public final class LoanSchedule {
     public LoanProductRelatedDetail loanProductRelatedDetail() {
         final MonetaryCurrency currency = new MonetaryCurrency(applicationCurrency.getCode(), applicationCurrency.getDecimalPlaces());
 
-        return LoanProductRelatedDetail.createFrom(currency, principal, nominalInterestRatePerPeriod, interestRatePeriodFrequencyType,
-                nominalAnnualInterestRate, interestMethod, interestCalculationPeriodMethod, repaymentEvery, repaymentPeriodFrequencyType,
-                numberOfRepayments, amortizationMethod, this.inArrearsTolerance);
+        return LoanProductRelatedDetail.createFrom(currency, principal, minPrincipal, maxPrincipal, nominalInterestRatePerPeriod,
+                interestRatePeriodFrequencyType, nominalAnnualInterestRate, interestMethod, interestCalculationPeriodMethod,
+                repaymentEvery, repaymentPeriodFrequencyType, numberOfRepayments, amortizationMethod, this.inArrearsTolerance);
     }
 
     public Integer getLoanTermFrequency() {

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

@@ -72,6 +72,8 @@ public class LoanScheduleAssembler {
         final ApplicationCurrency applicationCurrency = this.applicationCurrencyRepository.findOneByCode(currency.getCode());
 
         final BigDecimal principal = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("principal", element);
+        final BigDecimal minPrincipal = loanProduct.getMinPrincipalAmount().getAmount();//Copy minPrincipal from loan product to loan
+        final BigDecimal maxPrincipal = loanProduct.getMaxPrincipalAmount().getAmount();//Copy maxPrincipal from loan product to loan
         final BigDecimal interestRatePerPeriod = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("interestRatePerPeriod", element);
         final Integer interestRateFrequencyType = fromApiJsonHelper.extractIntegerWithLocaleNamed("interestRateFrequencyType", element);
         final Integer interestType = fromApiJsonHelper.extractIntegerWithLocaleNamed("interestType", element);
@@ -105,7 +107,7 @@ public class LoanScheduleAssembler {
 
         final LoanScheduleGenerator loanScheduleGenerator = this.loanScheduleFactory.create(interestMethod);
 
-        return new LoanSchedule(loanScheduleGenerator, applicationCurrency, principal, interestRatePerPeriod,
+        return new LoanSchedule(loanScheduleGenerator, applicationCurrency, principal, minPrincipal, maxPrincipal, interestRatePerPeriod,
                 interestRatePeriodFrequencyType, defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod,
                 repaymentEvery, repaymentPeriodFrequencyType, numberOfRepayments, amortizationMethod, loanTermFrequency,
                 loanTermPeriodFrequencyType, loanCharges, expectedDisbursementDate, repaymentsStartingFromDate, interestChargedFromDate, inArrearsTolerance);

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

@@ -22,6 +22,7 @@ import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
 import org.mifosplatform.infrastructure.core.exception.InvalidJsonException;
 import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
 import org.mifosplatform.infrastructure.core.serialization.FromJsonHelper;
+import org.mifosplatform.portfolio.loanproduct.domain.LoanProduct;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -591,4 +592,21 @@ public final class LoanApplicationCommandFromApiJsonHelper {
         if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
                 "Validation errors exist.", dataValidationErrors); }
     }
+    
+    public void validateMinMaxConstraintValues(final JsonElement element, final LoanProduct loanProduct){
+
+        final List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
+        final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan");
+        
+        final BigDecimal minPrincipal = loanProduct.getMinPrincipalAmount().getAmount();
+        final BigDecimal maxPrincipal = loanProduct.getMaxPrincipalAmount().getAmount();
+        final String principalParameterName = "principal";
+
+        if (fromApiJsonHelper.parameterExists(principalParameterName, element)) {
+            final BigDecimal principal = fromApiJsonHelper.extractBigDecimalWithLocaleNamed(principalParameterName, element);
+            baseDataValidator.reset().parameter(principalParameterName).value(principal).notNull().positiveAmount().inMinAndMaxAmountRange(minPrincipal, maxPrincipal);
+        }
+        if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
+                "Validation errors exist.", dataValidationErrors); }
+    }
 }

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

@@ -42,6 +42,7 @@ import org.mifosplatform.portfolio.loanaccount.domain.LoanTransactionProcessingS
 import org.mifosplatform.portfolio.loanaccount.exception.LoanTransactionProcessingStrategyNotFoundException;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.LoanSchedule;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.service.LoanScheduleAssembler;
+import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationCommandFromApiJsonHelper;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanProduct;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanProductRepository;
 import org.mifosplatform.portfolio.loanproduct.domain.LoanTransactionProcessingStrategy;
@@ -68,6 +69,7 @@ public class LoanAssembler {
     private final FromJsonHelper fromApiJsonHelper;
     private final LoanSummaryWrapper loanSummaryWrapper;
     private final LoanRepaymentScheduleTransactionProcessorFactory loanRepaymentScheduleTransactionProcessorFactory;
+    private final LoanApplicationCommandFromApiJsonHelper fromApiJsonDeserializer;
 
     @Autowired
     public LoanAssembler(final FromJsonHelper fromApiJsonHelper, final LoanProductRepository loanProductRepository,
@@ -76,7 +78,8 @@ public class LoanAssembler {
             final StaffRepository staffRepository, final CodeValueRepositoryWrapper codeValueRepository,
             final LoanScheduleAssembler loanScheduleAssembler, final LoanChargeAssembler loanChargeAssembler,
             final CollateralAssembler loanCollateralAssembler, final LoanSummaryWrapper loanSummaryWrapper,
-            final LoanRepaymentScheduleTransactionProcessorFactory loanRepaymentScheduleTransactionProcessorFactory) {
+            final LoanRepaymentScheduleTransactionProcessorFactory loanRepaymentScheduleTransactionProcessorFactory,
+            final LoanApplicationCommandFromApiJsonHelper fromApiJsonDeserializer) {
         this.fromApiJsonHelper = fromApiJsonHelper;
         this.loanProductRepository = loanProductRepository;
         this.clientRepository = clientRepository;
@@ -90,6 +93,7 @@ public class LoanAssembler {
         this.loanCollateralAssembler = loanCollateralAssembler;
         this.loanSummaryWrapper = loanSummaryWrapper;
         this.loanRepaymentScheduleTransactionProcessorFactory = loanRepaymentScheduleTransactionProcessorFactory;
+        this.fromApiJsonDeserializer = fromApiJsonDeserializer;
     }
 
     public Loan assembleFrom(final JsonCommand command, final AppUser currentUser) {
@@ -113,6 +117,9 @@ public class LoanAssembler {
         final LoanProduct loanProduct = this.loanProductRepository.findOne(productId);
         if (loanProduct == null) { throw new LoanProductNotFoundException(productId); }
 
+        //validate min and max constraint parameters
+        this.fromApiJsonDeserializer.validateMinMaxConstraintValues(element, loanProduct);
+        
         final Fund fund = findFundByIdIfProvided(fundId);
         final Staff loanOfficer = findLoanOfficerByIdIfProvided(loanOfficerId);
         final LoanTransactionProcessingStrategy loanTransactionProcessingStrategy = findStrategyByIdIfProvided(transactionProcessingStrategyId);

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanproduct/data/LoanProductData.java

@@ -37,6 +37,8 @@ public class LoanProductData {
     // terms
     private final CurrencyData currency;
     private final BigDecimal principal;
+    private BigDecimal minPrincipal;
+    private BigDecimal maxPrincipal;
     private final Integer numberOfRepayments;
     private final Integer repaymentEvery;
     private final EnumOptionData repaymentFrequencyType;
@@ -80,6 +82,8 @@ public class LoanProductData {
         final String description = null;
         final CurrencyData currency = null;
         final BigDecimal principal = null;
+        final BigDecimal minPrincipal = null;
+        final BigDecimal maxPrincipal = null;
         final BigDecimal tolerance = null;
         final Integer numberOfRepayments = null;
         final Integer repaymentEvery = null;
@@ -97,7 +101,7 @@ public class LoanProductData {
         final Collection<ChargeData> charges = null;
         final EnumOptionData accountingType = null;
 
-        return new LoanProductData(id, name, description, currency, principal, tolerance, numberOfRepayments, repaymentEvery,
+        return new LoanProductData(id, name, description, currency, principal, minPrincipal, maxPrincipal, tolerance, numberOfRepayments, repaymentEvery,
                 interestRatePerPeriod, annualInterestRate, repaymentFrequencyType, interestRateFrequencyType, amortizationType,
                 interestType, interestCalculationPeriodType, fundId, fundName, transactionProcessingStrategyId,
                 transactionProcessingStrategyName, charges, accountingType);
@@ -106,6 +110,8 @@ public class LoanProductData {
     public static LoanProductData lookupWithCurrency(final Long id, final String name, final CurrencyData currency) {
         final String description = null;
         final BigDecimal principal = null;
+        final BigDecimal minPrincipal = null;
+        final BigDecimal maxPrincipal = null;
         final BigDecimal tolerance = null;
         final Integer numberOfRepayments = null;
         final Integer repaymentEvery = null;
@@ -123,7 +129,7 @@ public class LoanProductData {
         final Collection<ChargeData> charges = null;
         final EnumOptionData accountingType = null;
 
-        return new LoanProductData(id, name, description, currency, principal, tolerance, numberOfRepayments, repaymentEvery,
+        return new LoanProductData(id, name, description, currency, principal, minPrincipal, maxPrincipal, tolerance, numberOfRepayments, repaymentEvery,
                 interestRatePerPeriod, annualInterestRate, repaymentFrequencyType, interestRateFrequencyType, amortizationType,
                 interestType, interestCalculationPeriodType, fundId, fundName, transactionProcessingStrategyId,
                 transactionProcessingStrategyName, charges, accountingType);
@@ -135,6 +141,8 @@ public class LoanProductData {
         final String description = null;
         final CurrencyData currency = CurrencyData.blank();
         final BigDecimal principal = null;
+        final BigDecimal minPrincipal = null;
+        final BigDecimal maxPrincipal = null;
         final BigDecimal tolerance = null;
         final Integer numberOfRepayments = null;
         final Integer repaymentEvery = null;
@@ -153,7 +161,7 @@ public class LoanProductData {
         final Collection<ChargeData> charges = null;
         final EnumOptionData accountingType = LoanEnumerations.accountingRuleType(AccountingRuleType.NONE);
 
-        return new LoanProductData(id, name, description, currency, principal, tolerance, numberOfRepayments, repaymentEvery,
+        return new LoanProductData(id, name, description, currency, principal, minPrincipal, maxPrincipal, tolerance, numberOfRepayments, repaymentEvery,
                 interestRatePerPeriod, annualInterestRate, repaymentFrequencyType, interestRateFrequencyType, amortizationType,
                 interestType, interestCalculationPeriodType, fundId, fundName, transactionProcessingStrategyId,
                 transactionProcessingStrategyName, charges, accountingType);
@@ -169,8 +177,9 @@ public class LoanProductData {
     }
 
     public LoanProductData(final Long id, final String name, final String description, final CurrencyData currency,
-            final BigDecimal principal, final BigDecimal tolerance, final Integer numberOfRepayments, final Integer repaymentEvery,
-            final BigDecimal interestRatePerPeriod, final BigDecimal annualInterestRate, final EnumOptionData repaymentFrequencyType,
+            final BigDecimal principal, final BigDecimal minPrincipal, final BigDecimal maxPrincipal, final BigDecimal tolerance,
+            final Integer numberOfRepayments, final Integer repaymentEvery, final BigDecimal interestRatePerPeriod,
+            final BigDecimal annualInterestRate, final EnumOptionData repaymentFrequencyType,
             final EnumOptionData interestRateFrequencyType, final EnumOptionData amortizationType, final EnumOptionData interestType,
             final EnumOptionData interestCalculationPeriodType, final Long fundId, final String fundName,
             final Long transactionProcessingStrategyId, final String transactionProcessingStrategyName,
@@ -180,6 +189,8 @@ public class LoanProductData {
         this.description = description;
         this.currency = currency;
         this.principal = principal;
+        this.minPrincipal = minPrincipal;
+        this.maxPrincipal = maxPrincipal;
         this.inArrearsTolerance = tolerance;
         this.numberOfRepayments = numberOfRepayments;
         this.repaymentEvery = repaymentEvery;
@@ -227,6 +238,8 @@ public class LoanProductData {
         this.fundName = productData.fundName;
 
         this.principal = productData.principal;
+        this.minPrincipal = productData.minPrincipal;
+        this.maxPrincipal = productData.maxPrincipal;
         this.inArrearsTolerance = productData.inArrearsTolerance;
         this.numberOfRepayments = productData.numberOfRepayments;
         this.repaymentEvery = productData.repaymentEvery;
@@ -337,6 +350,14 @@ public class LoanProductData {
         return principal;
     }
 
+    public BigDecimal getMinPrincipal() {
+        return this.minPrincipal;
+    }
+    
+    public BigDecimal getMaxPrincipal() {
+        return this.maxPrincipal;
+    }
+
     public BigDecimal getInArrearsTolerance() {
         return inArrearsTolerance;
     }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanproduct/domain/LoanProduct.java

@@ -24,6 +24,7 @@ import javax.persistence.UniqueConstraint;
 import org.apache.commons.lang.StringUtils;
 import org.mifosplatform.infrastructure.core.api.JsonCommand;
 import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
+import org.mifosplatform.organisation.monetary.domain.Money;
 import org.mifosplatform.portfolio.charge.domain.Charge;
 import org.mifosplatform.portfolio.fund.domain.Fund;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.AprCalculator;
@@ -78,6 +79,8 @@ public class LoanProduct extends AbstractPersistable<Long> {
 
         final MonetaryCurrency currency = new MonetaryCurrency(currencyCode, digitsAfterDecimal);
         final BigDecimal principal = command.bigDecimalValueOfParameterNamed("principal");
+        final BigDecimal minPrincipal = command.bigDecimalValueOfParameterNamed("minPrincipal");
+        final BigDecimal maxPrincipal = command.bigDecimalValueOfParameterNamed("maxPrincipal");
 
         final InterestMethod interestMethod = InterestMethod.fromInt(command.integerValueOfParameterNamed("interestType"));
         final InterestCalculationPeriodMethod interestCalculationPeriodMethod = InterestCalculationPeriodMethod.fromInt(command
@@ -95,9 +98,10 @@ public class LoanProduct extends AbstractPersistable<Long> {
         final BigDecimal inArrearsTolerance = command.bigDecimalValueOfParameterNamed("inArrearsTolerance");
         final AccountingRuleType accountingRuleType = AccountingRuleType.fromInt(command.integerValueOfParameterNamed("accountingRule"));
 
-        return new LoanProduct(fund, loanTransactionProcessingStrategy, name, description, currency, principal, interestRatePerPeriod,
-                interestFrequencyType, annualInterestRate, interestMethod, interestCalculationPeriodMethod, repaymentEvery,
-                repaymentFrequencyType, numberOfRepayments, amortizationMethod, inArrearsTolerance, productCharges, accountingRuleType);
+        return new LoanProduct(fund, loanTransactionProcessingStrategy, name, description, currency, principal, minPrincipal, maxPrincipal,
+                interestRatePerPeriod, interestFrequencyType, annualInterestRate, interestMethod, interestCalculationPeriodMethod,
+                repaymentEvery, repaymentFrequencyType, numberOfRepayments, amortizationMethod, inArrearsTolerance, productCharges,
+                accountingRuleType);
     }
 
     protected LoanProduct() {
@@ -106,6 +110,7 @@ public class LoanProduct extends AbstractPersistable<Long> {
 
     public LoanProduct(final Fund fund, final LoanTransactionProcessingStrategy transactionProcessingStrategy, final String name,
             final String description, final MonetaryCurrency currency, final BigDecimal defaultPrincipal,
+            final BigDecimal defaultMinPrincipal, final BigDecimal defaultMaxPrincipal,
             final BigDecimal defaultNominalInterestRatePerPeriod, final PeriodFrequencyType interestPeriodFrequencyType,
             final BigDecimal defaultAnnualNominalInterestRate, final InterestMethod interestMethod,
             final InterestCalculationPeriodMethod interestCalculationPeriodMethod, final Integer repayEvery,
@@ -125,9 +130,10 @@ public class LoanProduct extends AbstractPersistable<Long> {
             this.charges = charges;
         }
 
-        this.loanProductRelatedDetail = new LoanProductRelatedDetail(currency, defaultPrincipal, defaultNominalInterestRatePerPeriod,
-                interestPeriodFrequencyType, defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod, repayEvery,
-                repaymentFrequencyType, defaultNumberOfInstallments, amortizationMethod, inArrearsTolerance);
+        this.loanProductRelatedDetail = new LoanProductRelatedDetail(currency, defaultPrincipal, defaultMinPrincipal, defaultMaxPrincipal,
+                defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType, defaultAnnualNominalInterestRate, interestMethod,
+                interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType, defaultNumberOfInstallments, amortizationMethod,
+                inArrearsTolerance);
 
         if (accountingRuleType != null) {
             this.accountingRule = accountingRuleType.getValue();
@@ -227,4 +233,12 @@ public class LoanProduct extends AbstractPersistable<Long> {
     public boolean isAccrualBasedAccountingEnabled() {
         return AccountingRuleType.ACCRUAL_BASED.getValue().equals(this.accountingRule);
     }
+    
+    public Money getMinPrincipalAmount(){
+        return this.loanProductRelatedDetail.getMinPrincipal();
+    }
+    
+    public Money getMaxPrincipalAmount(){
+        return this.loanProductRelatedDetail.getMaxPrincipal();
+    }
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanproduct/domain/LoanProductRelatedDetail.java

@@ -20,6 +20,7 @@ import org.mifosplatform.organisation.monetary.domain.MonetaryCurrency;
 import org.mifosplatform.organisation.monetary.domain.Money;
 import org.mifosplatform.portfolio.loanaccount.domain.Loan;
 import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.AprCalculator;
+import org.mifosplatform.portfolio.loanproduct.exception.NotInMinMaxRangeException;
 
 /**
  * LoanRepaymentScheduleDetail encapsulates all the details of a
@@ -33,6 +34,12 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
 
     @Column(name = "principal_amount", scale = 6, precision = 19, nullable = false)
     private BigDecimal principal;
+    
+    @Column(name = "min_principal_amount", scale = 6, precision = 19, nullable = false)
+    private BigDecimal minPrincipal;
+    
+    @Column(name = "max_principal_amount", scale = 6, precision = 19, nullable = false)
+    private BigDecimal maxPrincipal;
 
     @Column(name = "nominal_interest_rate_per_period", scale = 6, precision = 19, nullable = false)
     private BigDecimal nominalInterestRatePerPeriod;
@@ -80,13 +87,13 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
     private BigDecimal inArrearsTolerance;
 
     public static LoanProductRelatedDetail createFrom(final MonetaryCurrency currency, final BigDecimal principal,
-            final BigDecimal nominalInterestRatePerPeriod, final PeriodFrequencyType interestRatePeriodFrequencyType,
-            final BigDecimal nominalAnnualInterestRate, final InterestMethod interestMethod,
-            final InterestCalculationPeriodMethod interestCalculationPeriodMethod, final Integer repaymentEvery,
-            final PeriodFrequencyType repaymentPeriodFrequencyType, final Integer numberOfRepayments,
+            final BigDecimal minPrincipal, final BigDecimal maxPrincipal, final BigDecimal nominalInterestRatePerPeriod,
+            final PeriodFrequencyType interestRatePeriodFrequencyType, final BigDecimal nominalAnnualInterestRate,
+            final InterestMethod interestMethod, final InterestCalculationPeriodMethod interestCalculationPeriodMethod,
+            final Integer repaymentEvery, final PeriodFrequencyType repaymentPeriodFrequencyType, final Integer numberOfRepayments,
             final AmortizationMethod amortizationMethod, final BigDecimal inArrearsTolerance) {
 
-        return new LoanProductRelatedDetail(currency, principal, nominalInterestRatePerPeriod, interestRatePeriodFrequencyType,
+        return new LoanProductRelatedDetail(currency, principal, minPrincipal, maxPrincipal, nominalInterestRatePerPeriod, interestRatePeriodFrequencyType,
                 nominalAnnualInterestRate, interestMethod, interestCalculationPeriodMethod, repaymentEvery, repaymentPeriodFrequencyType,
                 numberOfRepayments, amortizationMethod, inArrearsTolerance);
     }
@@ -96,6 +103,7 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
     }
 
     public LoanProductRelatedDetail(final MonetaryCurrency currency, final BigDecimal defaultPrincipal,
+            final BigDecimal defaultMinPrincipal, final BigDecimal defaultMaxPrincipal,
             final BigDecimal defaultNominalInterestRatePerPeriod, final PeriodFrequencyType interestPeriodFrequencyType,
             final BigDecimal defaultAnnualNominalInterestRate, final InterestMethod interestMethod,
             final InterestCalculationPeriodMethod interestCalculationPeriodMethod, final Integer repayEvery,
@@ -103,6 +111,8 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
             final AmortizationMethod amortizationMethod, final BigDecimal inArrearsTolerance) {
         this.currency = currency;
         this.principal = defaultPrincipal;
+        this.minPrincipal = defaultMinPrincipal;
+        this.maxPrincipal = defaultMaxPrincipal;
         this.nominalInterestRatePerPeriod = defaultNominalInterestRatePerPeriod;
         this.interestPeriodFrequencyType = interestPeriodFrequencyType;
         this.annualNominalInterestRate = defaultAnnualNominalInterestRate;
@@ -127,6 +137,14 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
         return Money.of(this.currency, this.principal);
     }
 
+    public Money getMinPrincipal() {
+        return Money.of(this.currency, this.minPrincipal);
+    }
+    
+    public Money getMaxPrincipal() {
+        return Money.of(this.currency, this.maxPrincipal);
+    }
+    
     public Money getInArrearsTolerance() {
         return Money.of(this.currency, this.inArrearsTolerance);
     }
@@ -208,12 +226,29 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
 
         final String localeAsInput = command.locale();
 
+        final String minPrincipalParamName = "minPrincipal";
+        if (command.isChangeInBigDecimalParameterNamed(minPrincipalParamName, this.minPrincipal)) {
+            final BigDecimal newValue = command.bigDecimalValueOfParameterNamed(minPrincipalParamName);
+            actualChanges.put(minPrincipalParamName, newValue);
+            actualChanges.put("locale", localeAsInput);
+            this.minPrincipal = newValue;
+        }
+
+        final String maxPrincipalParamName = "maxPrincipal";
+        if (command.isChangeInBigDecimalParameterNamed(maxPrincipalParamName, this.maxPrincipal)) {
+            final BigDecimal newValue = command.bigDecimalValueOfParameterNamed(maxPrincipalParamName);
+            actualChanges.put(maxPrincipalParamName, newValue);
+            actualChanges.put("locale", localeAsInput);
+            this.maxPrincipal = newValue;
+        }
+        
         final String principalParamName = "principal";
         if (command.isChangeInBigDecimalParameterNamed(principalParamName, this.principal)) {
             final BigDecimal newValue = command.bigDecimalValueOfParameterNamed(principalParamName);
             actualChanges.put(principalParamName, newValue);
             actualChanges.put("locale", localeAsInput);
             this.principal = newValue;
+            validatePrincipalAmount();
         }
 
         final String repaymentEveryParamName = "repaymentEvery";
@@ -294,6 +329,13 @@ public class LoanProductRelatedDetail implements LoanProductMinimumRepaymentSche
         return actualChanges;
     }
 
+    private void validatePrincipalAmount() {
+        if(this.principal.compareTo(this.minPrincipal) == -1 || this.principal.compareTo(maxPrincipal) == 1){
+            final String errorMessage = "The Principal amount " + this.principal + " is invalid. Must be an amount between " + this.minPrincipal + " and " + this.maxPrincipal + " inclusive.";
+            throw new NotInMinMaxRangeException("loan", "principal.amount", errorMessage, this.principal, this.minPrincipal, this.maxPrincipal);
+        }
+    }
+
     private void updateInterestRateDerivedFields(final AprCalculator aprCalculator) {
         this.annualNominalInterestRate = aprCalculator.calculateFrom(this.interestPeriodFrequencyType, this.nominalInterestRatePerPeriod);
     }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanproduct/exception/NotInMinMaxRangeException.java

@@ -0,0 +1,19 @@
+/**
+ * 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.loanproduct.exception;
+
+import org.mifosplatform.infrastructure.core.exception.AbstractPlatformDomainRuleException;
+
+/**
+ * {@link AbstractPlatformDomainRuleException} thrown when a value is not within minimum and maximum values.
+ * 
+ */
+public class NotInMinMaxRangeException extends AbstractPlatformDomainRuleException {
+
+    public NotInMinMaxRangeException(final String entity, final String postFix, String defaultUserMessage, Object... defaultUserMessageArgs) {
+        super("validation.msg." + entity + "." + postFix + ".is.not.within.min.max.range", defaultUserMessage, defaultUserMessageArgs);
+    }
+}

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanproduct/serialization/LoanProductCommandFromApiJsonDeserializer.java

@@ -36,7 +36,7 @@ public final class LoanProductCommandFromApiJsonDeserializer {
      * The parameters supported for this command.
      */
     private final Set<String> supportedParameters = new HashSet<String>(Arrays.asList("locale", "name", "description", "fundId",
-            "currencyCode", "digitsAfterDecimal", "principal", "repaymentEvery", "numberOfRepayments", "repaymentFrequencyType",
+            "currencyCode", "digitsAfterDecimal", "principal", "minPrincipal", "maxPrincipal", "repaymentEvery", "numberOfRepayments", "repaymentFrequencyType",
             "interestRatePerPeriod", "interestRateFrequencyType", "amortizationType", "interestType", "interestCalculationPeriodType",
             "inArrearsTolerance", "transactionProcessingStrategyId", "charges", "accountingRule",
             LOAN_PRODUCT_ACCOUNTING_PARAMS.FEES_RECEIVABLE.getValue(), LOAN_PRODUCT_ACCOUNTING_PARAMS.FUND_SOURCE.getValue(),
@@ -81,9 +81,15 @@ public final class LoanProductCommandFromApiJsonDeserializer {
         final Integer digitsAfterDecimal = fromApiJsonHelper.extractIntegerNamed("digitsAfterDecimal", element, Locale.getDefault());
         baseDataValidator.reset().parameter("digitsAfterDecimal").value(digitsAfterDecimal).notNull().inMinMaxRange(0, 6);
 
+        final BigDecimal minPrincipal = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("minPrincipal", element);
+        baseDataValidator.reset().parameter("minPrincipal").value(minPrincipal).notNull().positiveAmount();
+        
+        final BigDecimal maxPrincipal = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("maxPrincipal", element);
+        baseDataValidator.reset().parameter("maxPrincipal").value(maxPrincipal).notNull().positiveAmount();
+        
         final BigDecimal principal = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("principal", element);
-        baseDataValidator.reset().parameter("principal").value(principal).notNull().positiveAmount();
-
+        baseDataValidator.reset().parameter("principal").value(principal).notNull().positiveAmount().inMinAndMaxAmountRange(minPrincipal, maxPrincipal);
+        
         final Integer numberOfRepayments = fromApiJsonHelper.extractIntegerWithLocaleNamed("numberOfRepayments", element);
         baseDataValidator.reset().parameter("numberOfRepayments").value(numberOfRepayments).notNull().integerGreaterThanZero();
 
@@ -212,10 +218,33 @@ public final class LoanProductCommandFromApiJsonDeserializer {
             final Integer digitsAfterDecimal = fromApiJsonHelper.extractIntegerNamed("digitsAfterDecimal", element, Locale.getDefault());
             baseDataValidator.reset().parameter("digitsAfterDecimal").value(digitsAfterDecimal).notNull().inMinMaxRange(0, 6);
         }
+        
+        String minPrincipalParameterName = "minPrincipal";
+        BigDecimal minPrincipalAmount = null;  
+        if(fromApiJsonHelper.parameterExists(minPrincipalParameterName, element)){
+            minPrincipalAmount = fromApiJsonHelper.extractBigDecimalWithLocaleNamed(minPrincipalParameterName, element);
+        }
+        
+        String maxPrincipalParameterName = "maxPrincipal";
+        BigDecimal maxPrincipalAmount = null;  
+        if(fromApiJsonHelper.parameterExists(maxPrincipalParameterName, element)){
+            maxPrincipalAmount = fromApiJsonHelper.extractBigDecimalWithLocaleNamed(maxPrincipalParameterName, element);
+        }
+
+        //Principal amount is allowed to change only when Min and Max principal amounts are sent in JSON request
+        //Validate if minPrincipal amount or principal amount is part of JSON request. 
+        if(fromApiJsonHelper.parameterExists(minPrincipalParameterName, element) || fromApiJsonHelper.parameterExists("principal", element)){
+            baseDataValidator.reset().parameter(minPrincipalParameterName).value(minPrincipalAmount).notNull().positiveAmount();
+        }
+
+        //Validate if maxPrincipal amount or principal amount is part of JSON request.
+        if(fromApiJsonHelper.parameterExists(maxPrincipalParameterName, element) || fromApiJsonHelper.parameterExists("principal", element)){
+            baseDataValidator.reset().parameter(maxPrincipalParameterName).value(maxPrincipalAmount).notNull().positiveAmount();
+        }
 
         if (fromApiJsonHelper.parameterExists("principal", element)) {
             final BigDecimal principal = fromApiJsonHelper.extractBigDecimalWithLocaleNamed("principal", element);
-            baseDataValidator.reset().parameter("principal").value(principal).notNull().positiveAmount();
+            baseDataValidator.reset().parameter("principal").value(principal).notNull().positiveAmount().inMinAndMaxAmountRange(minPrincipalAmount, maxPrincipalAmount);
         }
 
         if (fromApiJsonHelper.parameterExists("inArrearsTolerance", element)) {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/loanproduct/service/LoanProductReadPlatformServiceImpl.java

@@ -96,7 +96,7 @@ public class LoanProductReadPlatformServiceImpl implements LoanProductReadPlatfo
         public String loanProductSchema() {
             return "lp.id as id, lp.fund_id as fundId, f.name as fundName, lp.loan_transaction_strategy_id as transactionStrategyId, ltps.name as transactionStrategyName, "
                     + "lp.name as name, lp.description as description, "
-                    + "lp.principal_amount as principal, lp.currency_code as currencyCode, lp.currency_digits as currencyDigits, "
+                    + "lp.principal_amount as principal, lp.min_principal_amount as minPrincipal, lp.max_principal_amount as maxPrincipal, lp.currency_code as currencyCode, lp.currency_digits as currencyDigits, "
                     + "lp.nominal_interest_rate_per_period as interestRatePerPeriod, lp.interest_period_frequency_enum as interestRatePerPeriodFreq, "
                     + "lp.annual_nominal_interest_rate as annualInterestRate, lp.interest_method_enum as interestMethod, lp.interest_calculated_in_period_enum as interestCalculationInPeriodMethod,"
                     + "lp.repay_every as repaidEvery, lp.repayment_period_frequency_enum as repaymentPeriodFrequency, lp.number_of_repayments as numberOfRepayments, "
@@ -130,6 +130,8 @@ public class LoanProductReadPlatformServiceImpl implements LoanProductReadPlatfo
                     currencyNameCode);
 
             final BigDecimal principal = rs.getBigDecimal("principal");
+            final BigDecimal minPrincipal = rs.getBigDecimal("minPrincipal");
+            final BigDecimal maxPrincipal = rs.getBigDecimal("maxPrincipal");
             final BigDecimal tolerance = rs.getBigDecimal("tolerance");
 
             final Integer numberOfRepayments = JdbcSupport.getInteger(rs, "numberOfRepayments");
@@ -157,10 +159,10 @@ public class LoanProductReadPlatformServiceImpl implements LoanProductReadPlatfo
             final EnumOptionData interestCalculationPeriodType = LoanEnumerations
                     .interestCalculationPeriodType(interestCalculationPeriodTypeId);
 
-            return new LoanProductData(id, name, description, currency, principal, tolerance, numberOfRepayments, repaymentEvery,
-                    interestRatePerPeriod, annualInterestRate, repaymentFrequencyType, interestRateFrequencyType, amortizationType,
-                    interestType, interestCalculationPeriodType, fundId, fundName, transactionStrategyId, transactionStrategyName,
-                    this.charges, accountingRuleType);
+            return new LoanProductData(id, name, description, currency, principal, minPrincipal, maxPrincipal, tolerance,
+                    numberOfRepayments, repaymentEvery, interestRatePerPeriod, annualInterestRate, repaymentFrequencyType,
+                    interestRateFrequencyType, amortizationType, interestType, interestCalculationPeriodType, fundId, fundName,
+                    transactionStrategyId, transactionStrategyName, this.charges, accountingRuleType);
         }
 
     }

mifosng-provider/src/test/java/org/mifosplatform/portfolio/loanaccount/LoanProductRelatedDetailTestHelper.java

@@ -21,6 +21,8 @@ public class LoanProductRelatedDetailTestHelper {
 
         MonetaryCurrency currency = new MonetaryCurrencyBuilder().withCode("USD").withDigitsAfterDecimal(2).build();
         BigDecimal defaultPrincipal = BigDecimal.valueOf(Double.valueOf("200000"));
+        BigDecimal defaultMinPrincipal = BigDecimal.valueOf(Double.valueOf("100000"));
+        BigDecimal defaultMaxPrincipal = BigDecimal.valueOf(Double.valueOf("250000"));
 
         // 2% per month, 24% per year
         BigDecimal defaultNominalInterestRatePerPeriod = BigDecimal.valueOf(Double.valueOf("2"));
@@ -37,7 +39,7 @@ public class LoanProductRelatedDetailTestHelper {
 
         BigDecimal inArrearsTolerance = BigDecimal.ZERO;
 
-        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
+        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultMinPrincipal, defaultMaxPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
                 defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType,
                 defaultNumberOfRepayments, amortizationMethod, inArrearsTolerance);
     }
@@ -45,6 +47,8 @@ public class LoanProductRelatedDetailTestHelper {
     public static LoanProductRelatedDetail createSettingsForEqualInstallmentAmortizationQuarterly() {
         MonetaryCurrency currency = new MonetaryCurrencyBuilder().withCode("USD").withDigitsAfterDecimal(2).build();
         BigDecimal defaultPrincipal = BigDecimal.valueOf(Double.valueOf("200000"));
+        BigDecimal defaultMinPrincipal = BigDecimal.valueOf(Double.valueOf("100000"));
+        BigDecimal defaultMaxPrincipal = BigDecimal.valueOf(Double.valueOf("250000"));
 
         // 2% per month, 24% per year
         BigDecimal defaultNominalInterestRatePerPeriod = BigDecimal.valueOf(Double.valueOf("2"));
@@ -61,7 +65,7 @@ public class LoanProductRelatedDetailTestHelper {
 
         BigDecimal inArrearsTolerance = BigDecimal.ZERO;
 
-        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
+        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultMinPrincipal, defaultMaxPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
                 defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType,
                 defaultNumberOfRepayments, amortizationMethod, inArrearsTolerance);
     }
@@ -70,6 +74,8 @@ public class LoanProductRelatedDetailTestHelper {
 
         MonetaryCurrency currency = new MonetaryCurrencyBuilder().withCode("USD").withDigitsAfterDecimal(2).build();
         BigDecimal defaultPrincipal = BigDecimal.valueOf(Double.valueOf("200000"));
+        BigDecimal defaultMinPrincipal = BigDecimal.valueOf(Double.valueOf("200000"));
+        BigDecimal defaultMaxPrincipal = BigDecimal.valueOf(Double.valueOf("200000"));
 
         // 2% per month, 24% per year
         BigDecimal defaultNominalInterestRatePerPeriod = BigDecimal.valueOf(Double.valueOf("2"));
@@ -85,7 +91,7 @@ public class LoanProductRelatedDetailTestHelper {
 
         BigDecimal inArrearsTolerance = BigDecimal.ZERO;
 
-        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
+        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultMinPrincipal, defaultMaxPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
                 defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType,
                 defaultNumberOfRepayments, amortizationMethod, inArrearsTolerance);
     }
@@ -94,6 +100,8 @@ public class LoanProductRelatedDetailTestHelper {
 
         MonetaryCurrency currency = new MonetaryCurrencyBuilder().withCode("KSH").withDigitsAfterDecimal(0).build();
         BigDecimal defaultPrincipal = BigDecimal.valueOf(Double.valueOf("15000"));
+        BigDecimal defaultMinPrincipal = BigDecimal.valueOf(Double.valueOf("15000"));
+        BigDecimal defaultMaxPrincipal = BigDecimal.valueOf(Double.valueOf("15000"));
 
         // 2% per month, 24% per year
         BigDecimal defaultNominalInterestRatePerPeriod = BigDecimal.valueOf(Double.valueOf("2"));
@@ -111,19 +119,20 @@ public class LoanProductRelatedDetailTestHelper {
 
         AmortizationMethod amortizationMethod = AmortizationMethod.EQUAL_PRINCIPAL;
 
-        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
-                defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType,
-                defaultNumberOfRepayments, amortizationMethod, inArrearsTolerance);
+        return createLoanProductRelatedDetail(currency, defaultPrincipal, defaultMinPrincipal, defaultMaxPrincipal,
+                defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType, defaultAnnualNominalInterestRate, interestMethod,
+                interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType, defaultNumberOfRepayments, amortizationMethod,
+                inArrearsTolerance);
     }
 
     private static LoanProductRelatedDetail createLoanProductRelatedDetail(MonetaryCurrency currency, BigDecimal defaultPrincipal,
-            BigDecimal defaultNominalInterestRatePerPeriod, PeriodFrequencyType interestPeriodFrequencyType,
-            BigDecimal defaultAnnualNominalInterestRate, InterestMethod interestMethod,
+            BigDecimal defaultMinPrincipal, BigDecimal defaultMaxPrincipal, BigDecimal defaultNominalInterestRatePerPeriod,
+            PeriodFrequencyType interestPeriodFrequencyType, BigDecimal defaultAnnualNominalInterestRate, InterestMethod interestMethod,
             InterestCalculationPeriodMethod interestCalculationPeriodMethod, Integer repayEvery,
             PeriodFrequencyType repaymentFrequencyType, Integer defaultNumberOfRepayments, AmortizationMethod amortizationMethod,
             BigDecimal inArrearsTolerance) {
 
-        return new LoanProductRelatedDetail(currency, defaultPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
+        return new LoanProductRelatedDetail(currency, defaultPrincipal, defaultMinPrincipal, defaultMaxPrincipal, defaultNominalInterestRatePerPeriod, interestPeriodFrequencyType,
                 defaultAnnualNominalInterestRate, interestMethod, interestCalculationPeriodMethod, repayEvery, repaymentFrequencyType,
                 defaultNumberOfRepayments, amortizationMethod, inArrearsTolerance);
     }