MIFOSX-57 Add possibility to modify loan application charges.

mifosng-provider/src/main/java/org/mifosng/platform/api/LoansApiResource.java

@@ -183,7 +183,7 @@ public class LoansApiResource {
 						"repaymentFrequencyType", "interestRateFrequencyType", "amortizationType", "interestType", "interestCalculationPeriodType",
 						"submittedOnDate", "approvedOnDate", "expectedDisbursementDate", "actualDisbursementDate", 
 						"expectedFirstRepaymentOnDate", "interestChargedFromDate", "closedOnDate", "expectedMaturityDate", 
-						"status", "lifeCycleStatusDate", "loanOfficerName", "loanOfficerId")
+						"status", "lifeCycleStatusDate", "loanOfficerName", "loanOfficerId", "charges")
 				);
 		
 		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
@@ -244,7 +244,7 @@ public class LoansApiResource {
 		if(template) {
 			responseParameters.addAll(Arrays.asList("productOptions", "amortizationTypeOptions", "interestTypeOptions", "interestCalculationPeriodTypeOptions", 
 						"repaymentFrequencyTypeOptions", "interestRateFrequencyTypeOptions", "fundOptions", "transactionProcessingStrategyOptions", "chargeOptions",
-						"loanOfficerOptions"));
+						"loanOfficerOptions", "chargeTemplate"));
 
 			productOptions = this.loanProductReadPlatformService.retrieveAllLoanProductsForLookup();
 			loanTermFrequencyTypeOptions = dropdownReadPlatformService.retrieveLoanTermFrequencyTypeOptions();
@@ -262,7 +262,7 @@ public class LoansApiResource {
 				chargeOptions.removeAll(charges);
 			}
 			allowedLoanOfficers =  this.staffReadPlatformService.retrieveAllLoanOfficersByOffice(loanBasicDetails.getClientOfficeId());
-
+			chargeTemplate = this.chargeReadPlatformService.retrieveLoanChargeTemplate();
 		}
 		
 		final LoanAccountData loanAccount = new LoanAccountData(loanBasicDetails, convenienceDataRequired, summary, repaymentSchedule, loanRepayments, permissions, charges, 

mifosng-provider/src/main/java/org/mifosng/platform/api/commands/LoanApplicationCommand.java

@@ -267,6 +267,10 @@ public class LoanApplicationCommand {
 		return this.modifiedParameters.contains("interestChargedFromDate");
 	}
 
+	public boolean isChargesChanged() {
+		return this.modifiedParameters.contains("charges");
+	}
+
 	public Long getLoanOfficerId() {
 		return loanOfficerId;
 	}

mifosng-provider/src/main/java/org/mifosng/platform/api/infrastructure/ApiDataConversionServiceImpl.java

@@ -504,7 +504,7 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 
                     if (loanCharge.has("amount")){
                         chargeModifiedParameters.add("amount");
-                        amount = loanCharge.get("amount").getAsBigDecimal();
+                        amount = convertFrom(loanCharge.get("amount").getAsString(), "amount", extractLocaleValue(requestMap));
                     }
                     if (loanCharge.has("chargeTimeType")){
                         chargeModifiedParameters.add("chargeTimeType");

mifosng-provider/src/main/java/org/mifosng/platform/loan/domain/Loan.java

@@ -209,7 +209,7 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
 	}
 	
 	public void modifyLoanApplication(final LoanApplicationCommand command, final Client client, final LoanProduct loanProduct, 
-			final Fund fund, final LoanTransactionProcessingStrategy strategy, final LoanSchedule modifiedLoanSchedule,
+			final Fund fund, final LoanTransactionProcessingStrategy strategy, final LoanSchedule modifiedLoanSchedule, final Set<LoanCharge> charges,
 			final Staff loanOfficer) {
 
 		if (command.isClientChanged()) {
@@ -264,6 +264,11 @@ public class Loan extends AbstractAuditableCustom<AppUser, Long> {
 			}
 		}
 
+        if (command.isChargesChanged()) {
+			this.charges.clear();
+			this.charges.addAll(charges);
+		}
+
 		this.loanRepaymentScheduleDetail.update(command.toLoanProductCommand());
 		
 		// FIXME - rewrite over loan schedule by default for now but worth putting in check to see if required

mifosng-provider/src/main/java/org/mifosng/platform/loan/service/LoanAssembler.java

@@ -107,7 +107,7 @@ public class LoanAssembler {
 		Loan loan = Loan.createNew(fund,loanOfficer, loanTransactionProcessingStrategy, loanProduct, client, loanRepaymentScheduleDetail);
 		loan.setExternalId(command.getExternalId());
 
-        final Set<LoanCharge> charges = this.assembleSetOfCharges(command, loan, loanProduct, currency.getCode());
+        final Set<LoanCharge> charges = this.assembleSetOfCharges(command, loan, loanProduct);
         loan.setCharges(charges);
 
 		for (ScheduledLoanInstallment scheduledLoanInstallment : loanRepaymentSchedule) {
@@ -194,11 +194,15 @@ public class LoanAssembler {
 		return strategy;
 	}
 
-    private Set<LoanCharge> assembleSetOfCharges(final LoanApplicationCommand command, final Loan loan,
+    public Set<LoanCharge> assembleSetOfCharges(final LoanApplicationCommand command, final Loan loan,
-                                                 final LoanProduct product, final String currencyCode) {
+                                                 final LoanProduct product) {
 
         Set<LoanCharge> charges = new HashSet<LoanCharge>();
         LoanChargeCommand[] loanChargesArray = command.getCharges();
+		String loanCurrencyCode = loan.getCurrencyCode();
+		if (loanCurrencyCode == null){
+			loanCurrencyCode = product.getCurrency().getCode();
+		}
 
         if (!ObjectUtils.isEmpty(loanChargesArray)) {
             for (LoanChargeCommand loanChargeCommand : loanChargesArray) {
@@ -210,7 +214,7 @@ public class LoanAssembler {
                 if (!charge.isActive()){
                     throw new ChargeIsNotActiveException(id);
                 }
-                if (!currencyCode.equals(charge.getCurrencyCode())){
+                if (!loanCurrencyCode.equals(charge.getCurrencyCode())){
                     String errorMessage = "Charge and Loan must have the same currency.";
                     throw new InvalidCurrencyException("charge", "attach.to.loan", errorMessage);
                 }

mifosng-provider/src/main/java/org/mifosng/platform/loan/service/LoanWritePlatformServiceJpaRepositoryImpl.java

@@ -4,6 +4,7 @@ import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Set;
 
 import org.apache.commons.lang.StringUtils;
 import org.joda.time.LocalDate;
@@ -31,6 +32,7 @@ import org.mifosng.platform.exceptions.NoAuthorizationException;
 import org.mifosng.platform.fund.domain.Fund;
 import org.mifosng.platform.loan.domain.DefaultLoanLifecycleStateMachine;
 import org.mifosng.platform.loan.domain.Loan;
+import org.mifosng.platform.loan.domain.LoanCharge;
 import org.mifosng.platform.loan.domain.LoanLifecycleStateMachine;
 import org.mifosng.platform.loan.domain.LoanProduct;
 import org.mifosng.platform.loan.domain.LoanProductRepository;
@@ -143,9 +145,10 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
 		Fund fund = this.loanAssembler.findFundByIdIfProvided(command.getFundId());
 		Staff loanOfficer = this.loanAssembler.findLoanOfficerByIdIfProvided(command.getLoanOfficerId());
 		LoanTransactionProcessingStrategy strategy = this.loanAssembler.findStrategyByIdIfProvided(command.getTransactionProcessingStrategyId());
+        Set<LoanCharge> charges = this.loanAssembler.assembleSetOfCharges(command, loan, loanProduct) ;
 
 		LoanSchedule loanSchedule = this.calculationPlatformService.calculateLoanSchedule(command.toCalculateLoanScheduleCommand());
-		loan.modifyLoanApplication(command, client, loanProduct, fund, strategy, loanSchedule, loanOfficer);
+		loan.modifyLoanApplication(command, client, loanProduct, fund, strategy, loanSchedule, charges, loanOfficer);
 
 		this.loanRepository.save(loan);