/**
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.mifosplatform.portfolio.loanaccount.service;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.joda.time.LocalDate;
import org.mifosplatform.infrastructure.codes.domain.CodeValue;
import org.mifosplatform.infrastructure.core.api.JsonCommand;
import org.mifosplatform.infrastructure.core.api.JsonQuery;
import org.mifosplatform.infrastructure.core.data.ApiParameterError;
import org.mifosplatform.infrastructure.core.data.CommandProcessingResult;
import org.mifosplatform.infrastructure.core.data.CommandProcessingResultBuilder;
import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
import org.mifosplatform.infrastructure.core.exception.PlatformDataIntegrityException;
import org.mifosplatform.infrastructure.core.serialization.FromJsonHelper;
import org.mifosplatform.infrastructure.security.service.PlatformSecurityContext;
import org.mifosplatform.organisation.staff.domain.Staff;
import org.mifosplatform.portfolio.account.domain.AccountAssociations;
import org.mifosplatform.portfolio.account.domain.AccountAssociationsRepository;
import org.mifosplatform.portfolio.accountdetails.domain.AccountType;
import org.mifosplatform.portfolio.calendar.domain.Calendar;
import org.mifosplatform.portfolio.calendar.domain.CalendarEntityType;
import org.mifosplatform.portfolio.calendar.domain.CalendarFrequencyType;
import org.mifosplatform.portfolio.calendar.domain.CalendarInstance;
import org.mifosplatform.portfolio.calendar.domain.CalendarInstanceRepository;
import org.mifosplatform.portfolio.calendar.domain.CalendarRepository;
import org.mifosplatform.portfolio.calendar.domain.CalendarType;
import org.mifosplatform.portfolio.calendar.exception.CalendarNotFoundException;
import org.mifosplatform.portfolio.client.domain.AccountNumberGenerator;
import org.mifosplatform.portfolio.client.domain.AccountNumberGeneratorFactory;
import org.mifosplatform.portfolio.client.domain.Client;
import org.mifosplatform.portfolio.client.domain.ClientRepositoryWrapper;
import org.mifosplatform.portfolio.client.exception.ClientNotActiveException;
import org.mifosplatform.portfolio.collateral.domain.LoanCollateral;
import org.mifosplatform.portfolio.collateral.service.CollateralAssembler;
import org.mifosplatform.portfolio.fund.domain.Fund;
import org.mifosplatform.portfolio.group.domain.Group;
import org.mifosplatform.portfolio.group.domain.GroupRepositoryWrapper;
import org.mifosplatform.portfolio.group.exception.GroupNotActiveException;
import org.mifosplatform.portfolio.loanaccount.data.LoanChargeData;
import org.mifosplatform.portfolio.loanaccount.domain.DefaultLoanLifecycleStateMachine;
import org.mifosplatform.portfolio.loanaccount.domain.Loan;
import org.mifosplatform.portfolio.loanaccount.domain.LoanCharge;
import org.mifosplatform.portfolio.loanaccount.domain.LoanLifecycleStateMachine;
import org.mifosplatform.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallment;
import org.mifosplatform.portfolio.loanaccount.domain.LoanRepaymentScheduleInstallmentRepository;
import org.mifosplatform.portfolio.loanaccount.domain.LoanRepaymentScheduleTransactionProcessorFactory;
import org.mifosplatform.portfolio.loanaccount.domain.LoanRepository;
import org.mifosplatform.portfolio.loanaccount.domain.LoanStatus;
import org.mifosplatform.portfolio.loanaccount.domain.LoanSummaryWrapper;
import org.mifosplatform.portfolio.loanaccount.exception.LoanApplicationDateException;
import org.mifosplatform.portfolio.loanaccount.exception.LoanApplicationNotInSubmittedAndPendingApprovalStateCannotBeDeleted;
import org.mifosplatform.portfolio.loanaccount.exception.LoanApplicationNotInSubmittedAndPendingApprovalStateCannotBeModified;
import org.mifosplatform.portfolio.loanaccount.exception.LoanNotFoundException;
import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.AprCalculator;
import org.mifosplatform.portfolio.loanaccount.loanschedule.domain.LoanScheduleModel;
import org.mifosplatform.portfolio.loanaccount.loanschedule.service.LoanScheduleCalculationPlatformService;
import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationCommandFromApiJsonHelper;
import org.mifosplatform.portfolio.loanaccount.serialization.LoanApplicationTransitionApiJsonValidator;
import org.mifosplatform.portfolio.loanproduct.LoanProductConstants;
import org.mifosplatform.portfolio.loanproduct.domain.LoanProduct;
import org.mifosplatform.portfolio.loanproduct.domain.LoanProductRelatedDetail;
import org.mifosplatform.portfolio.loanproduct.domain.LoanProductRepository;
import org.mifosplatform.portfolio.loanproduct.domain.LoanTransactionProcessingStrategy;
import org.mifosplatform.portfolio.loanproduct.domain.RecalculationFrequencyType;
import org.mifosplatform.portfolio.loanproduct.exception.LinkedAccountRequiredException;
import org.mifosplatform.portfolio.loanproduct.exception.LoanProductNotFoundException;
import org.mifosplatform.portfolio.loanproduct.serialization.LoanProductDataValidator;
import org.mifosplatform.portfolio.note.domain.Note;
import org.mifosplatform.portfolio.note.domain.NoteRepository;
import org.mifosplatform.portfolio.savings.domain.SavingsAccount;
import org.mifosplatform.portfolio.savings.domain.SavingsAccountAssembler;
import org.mifosplatform.useradministration.domain.AppUser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.google.gson.JsonElement;
@Service
public class LoanApplicationWritePlatformServiceJpaRepositoryImpl implements LoanApplicationWritePlatformService {
private final static Logger logger = LoggerFactory.getLogger(LoanApplicationWritePlatformServiceJpaRepositoryImpl.class);
private final PlatformSecurityContext context;
private final FromJsonHelper fromJsonHelper;
private final LoanApplicationTransitionApiJsonValidator loanApplicationTransitionApiJsonValidator;
private final LoanProductDataValidator loanProductCommandFromApiJsonDeserializer;
private final LoanApplicationCommandFromApiJsonHelper fromApiJsonDeserializer;
private final LoanRepository loanRepository;
private final NoteRepository noteRepository;
private final LoanScheduleCalculationPlatformService calculationPlatformService;
private final LoanAssembler loanAssembler;
private final ClientRepositoryWrapper clientRepository;
private final LoanProductRepository loanProductRepository;
private final LoanChargeAssembler loanChargeAssembler;
private final CollateralAssembler loanCollateralAssembler;
private final AprCalculator aprCalculator;
private final AccountNumberGeneratorFactory accountIdentifierGeneratorFactory;
private final LoanSummaryWrapper loanSummaryWrapper;
private final GroupRepositoryWrapper groupRepository;
private final LoanRepaymentScheduleTransactionProcessorFactory loanRepaymentScheduleTransactionProcessorFactory;
private final CalendarRepository calendarRepository;
private final CalendarInstanceRepository calendarInstanceRepository;
private final SavingsAccountAssembler savingsAccountAssembler;
private final AccountAssociationsRepository accountAssociationsRepository;
private final LoanReadPlatformService loanReadPlatformService;
private final LoanRepaymentScheduleInstallmentRepository repaymentScheduleInstallmentRepository;
@Autowired
public LoanApplicationWritePlatformServiceJpaRepositoryImpl(final PlatformSecurityContext context, final FromJsonHelper fromJsonHelper,
final LoanApplicationTransitionApiJsonValidator loanApplicationTransitionApiJsonValidator,
final LoanApplicationCommandFromApiJsonHelper fromApiJsonDeserializer,
final LoanProductDataValidator loanProductCommandFromApiJsonDeserializer, final AprCalculator aprCalculator,
final LoanAssembler loanAssembler, final LoanChargeAssembler loanChargeAssembler,
final CollateralAssembler loanCollateralAssembler, final LoanRepository loanRepository, final NoteRepository noteRepository,
final LoanScheduleCalculationPlatformService calculationPlatformService, final ClientRepositoryWrapper clientRepository,
final LoanProductRepository loanProductRepository, final AccountNumberGeneratorFactory accountIdentifierGeneratorFactory,
final LoanSummaryWrapper loanSummaryWrapper, final GroupRepositoryWrapper groupRepository,
final LoanRepaymentScheduleTransactionProcessorFactory loanRepaymentScheduleTransactionProcessorFactory,
final CalendarRepository calendarRepository, final CalendarInstanceRepository calendarInstanceRepository,
final SavingsAccountAssembler savingsAccountAssembler, final AccountAssociationsRepository accountAssociationsRepository,
final LoanRepaymentScheduleInstallmentRepository repaymentScheduleInstallmentRepository,
final LoanReadPlatformService loanReadPlatformService) {
this.context = context;
this.fromJsonHelper = fromJsonHelper;
this.loanApplicationTransitionApiJsonValidator = loanApplicationTransitionApiJsonValidator;
this.fromApiJsonDeserializer = fromApiJsonDeserializer;
this.loanProductCommandFromApiJsonDeserializer = loanProductCommandFromApiJsonDeserializer;
this.aprCalculator = aprCalculator;
this.loanAssembler = loanAssembler;
this.loanChargeAssembler = loanChargeAssembler;
this.loanCollateralAssembler = loanCollateralAssembler;
this.loanRepository = loanRepository;
this.noteRepository = noteRepository;
this.calculationPlatformService = calculationPlatformService;
this.clientRepository = clientRepository;
this.loanProductRepository = loanProductRepository;
this.accountIdentifierGeneratorFactory = accountIdentifierGeneratorFactory;
this.loanSummaryWrapper = loanSummaryWrapper;
this.groupRepository = groupRepository;
this.loanRepaymentScheduleTransactionProcessorFactory = loanRepaymentScheduleTransactionProcessorFactory;
this.calendarRepository = calendarRepository;
this.calendarInstanceRepository = calendarInstanceRepository;
this.savingsAccountAssembler = savingsAccountAssembler;
this.accountAssociationsRepository = accountAssociationsRepository;
this.repaymentScheduleInstallmentRepository = repaymentScheduleInstallmentRepository;
this.loanReadPlatformService = loanReadPlatformService;
}
private LoanLifecycleStateMachine defaultLoanLifecycleStateMachine() {
final List<LoanStatus> allowedLoanStatuses = Arrays.asList(LoanStatus.values());
return new DefaultLoanLifecycleStateMachine(allowedLoanStatuses);
}
@Transactional
@Override
public CommandProcessingResult submitApplication(final JsonCommand command) {
try {
final AppUser currentUser = this.context.authenticatedUser();
this.fromApiJsonDeserializer.validateForCreate(command.json());
final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan");
final Long productId = this.fromJsonHelper.extractLongNamed("productId", command.parsedJson());
final LoanProduct loanProduct = this.loanProductRepository.findOne(productId);
if (loanProduct == null) { throw new LoanProductNotFoundException(productId); }
if (loanProduct.useBorrowerCycle()) {
final Long clientId = this.fromJsonHelper.extractLongNamed("clientId", command.parsedJson());
final Long groupId = this.fromJsonHelper.extractLongNamed("groupId", command.parsedJson());
Integer cycleNumber = 0;
if (clientId != null) {
cycleNumber = this.loanReadPlatformService.retriveLoanCounter(clientId, loanProduct.getId());
} else if (groupId != null) {
cycleNumber = this.loanReadPlatformService.retriveLoanCounter(groupId, AccountType.GROUP.getValue(),
loanProduct.getId());
}
this.loanProductCommandFromApiJsonDeserializer.validateMinMaxConstraints(command.parsedJson(), baseDataValidator,
loanProduct, cycleNumber);
} else {
this.loanProductCommandFromApiJsonDeserializer.validateMinMaxConstraints(command.parsedJson(), baseDataValidator,
loanProduct);
}
if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); }
final Loan newLoanApplication = this.loanAssembler.assembleFrom(command, currentUser);
validateSubmittedOnDate(newLoanApplication);
final LoanProductRelatedDetail productRelatedDetail = newLoanApplication.repaymentScheduleDetail();
this.fromApiJsonDeserializer.validateLoanTermAndRepaidEveryValues(newLoanApplication.getTermFrequency(),
newLoanApplication.getTermPeriodFrequencyType(), productRelatedDetail.getNumberOfRepayments(),
productRelatedDetail.getRepayEvery(), productRelatedDetail.getRepaymentPeriodFrequencyType().getValue());
this.loanRepository.save(newLoanApplication);
if (loanProduct.isInterestRecalculationEnabled()) {
final LocalDate recalculationFrequencyDate = this.fromJsonHelper.extractLocalDateNamed(
LoanProductConstants.recalculationRestFrequencyDateParamName, command.parsedJson());
if (!newLoanApplication.loanInterestRecalculationDetails().getRestFrequencyType().isSameAsRepayment()) {
this.fromApiJsonDeserializer.validateLoanForInterestRecalculation(recalculationFrequencyDate,
newLoanApplication.getExpectedDisbursedOnLocalDate(), newLoanApplication.charges());
}
createAndPersistCalendarInstanceForInterestRecalculation(newLoanApplication);
}
if (newLoanApplication.isAccountNumberRequiresAutoGeneration()) {
final AccountNumberGenerator accountNoGenerator = this.accountIdentifierGeneratorFactory
.determineLoanAccountNoGenerator(newLoanApplication.getId());
newLoanApplication.updateAccountNo(accountNoGenerator.generate());
this.loanRepository.save(newLoanApplication);
}
final String submittedOnNote = command.stringValueOfParameterNamed("submittedOnNote");
if (StringUtils.isNotBlank(submittedOnNote)) {
final Note note = Note.loanNote(newLoanApplication, submittedOnNote);
this.noteRepository.save(note);
}
// Save calendar instance
final Long calendarId = command.longValueOfParameterNamed("calendarId");
Calendar calendar = null;
if (calendarId != null && calendarId != 0) {
calendar = this.calendarRepository.findOne(calendarId);
if (calendar == null) { throw new CalendarNotFoundException(calendarId); }
final CalendarInstance calendarInstance = new CalendarInstance(calendar, newLoanApplication.getId(),
CalendarEntityType.LOANS.getValue());
this.calendarInstanceRepository.save(calendarInstance);
}
// Save linked account information
final Long savingsAccountId = command.longValueOfParameterNamed("linkAccountId");
if (savingsAccountId != null) {
final SavingsAccount savingsAccount = this.savingsAccountAssembler.assembleFrom(savingsAccountId);
this.fromApiJsonDeserializer.validatelinkedSavingsAccount(savingsAccount, newLoanApplication);
final AccountAssociations accountAssociations = AccountAssociations.associateSavingsAccount(newLoanApplication,
savingsAccount);
this.accountAssociationsRepository.save(accountAssociations);
}
return new CommandProcessingResultBuilder() //
.withCommandId(command.commandId()) //
.withEntityId(newLoanApplication.getId()) //
.withOfficeId(newLoanApplication.getOfficeId()) //
.withClientId(newLoanApplication.getClientId()) //
.withGroupId(newLoanApplication.getGroupId()) //
.withLoanId(newLoanApplication.getId()) //
.build();
} catch (final DataIntegrityViolationException dve) {
handleDataIntegrityIssues(command, dve);
return CommandProcessingResult.empty();
}
}
private void createAndPersistCalendarInstanceForInterestRecalculation(final Loan loan) {
LocalDate calendarStartDate = loan.loanInterestRecalculationDetails().getRestFrequencyLocalDate();
if (calendarStartDate == null) {
calendarStartDate = loan.getExpectedDisbursedOnLocalDate();
}
final Integer repeatsOnDay = calendarStartDate.getDayOfWeek();
final RecalculationFrequencyType recalculationFrequencyType = loan.loanInterestRecalculationDetails().getRestFrequencyType();
Integer frequency = loan.loanInterestRecalculationDetails().getRestInterval();
CalendarFrequencyType calendarFrequencyType = CalendarFrequencyType.INVALID;
switch (recalculationFrequencyType) {
case DAILY:
calendarFrequencyType = CalendarFrequencyType.DAILY;
break;
case MONTHLY:
calendarFrequencyType = CalendarFrequencyType.MONTHLY;
break;
case SAME_AS_REPAYMENT_PERIOD:
frequency = loan.repaymentScheduleDetail().getRepayEvery();
calendarFrequencyType = CalendarFrequencyType.from(loan.repaymentScheduleDetail().getRepaymentPeriodFrequencyType());
calendarStartDate = loan.getExpectedDisbursedOnLocalDate();
break;
case WEEKLY:
calendarFrequencyType = CalendarFrequencyType.WEEKLY;
break;
default:
break;
}
final String title = "loan_recalculation_detail_" + loan.loanInterestRecalculationDetails().getId();
final Calendar calendar = Calendar.createRepeatingCalendar(title, calendarStartDate, CalendarType.COLLECTION.getValue(),
calendarFrequencyType, frequency, repeatsOnDay);
final CalendarInstance calendarInstance = CalendarInstance.from(calendar, loan.loanInterestRecalculationDetails().getId(),
CalendarEntityType.LOAN_RECALCULATION_DETAIL.getValue());
this.calendarInstanceRepository.save(calendarInstance);
}
private void updateCalendarDetailsForInterestRecalculation(final CalendarInstance calendarInstance, final Loan loan) {
Calendar interestRecalculationRecurrings = calendarInstance.getCalendar();
LocalDate calendarStartDate = loan.loanInterestRecalculationDetails().getRestFrequencyLocalDate();
if (calendarStartDate == null) {
calendarStartDate = loan.getExpectedDisbursedOnLocalDate();
}
final Integer repeatsOnDay = calendarStartDate.getDayOfWeek();
final RecalculationFrequencyType recalculationFrequencyType = loan.loanInterestRecalculationDetails().getRestFrequencyType();
Integer frequency = loan.loanInterestRecalculationDetails().getRestInterval();
CalendarFrequencyType calendarFrequencyType = CalendarFrequencyType.INVALID;
switch (recalculationFrequencyType) {
case DAILY:
calendarFrequencyType = CalendarFrequencyType.DAILY;
break;
case MONTHLY:
calendarFrequencyType = CalendarFrequencyType.MONTHLY;
break;
case SAME_AS_REPAYMENT_PERIOD:
calendarStartDate = loan.getExpectedDisbursedOnLocalDate();
frequency = loan.repaymentScheduleDetail().getRepayEvery();
calendarFrequencyType = CalendarFrequencyType.from(loan.repaymentScheduleDetail().getRepaymentPeriodFrequencyType());
break;
case WEEKLY:
calendarFrequencyType = CalendarFrequencyType.WEEKLY;
break;
default:
break;
}
interestRecalculationRecurrings.updateRepeatingCalendar(calendarStartDate, calendarFrequencyType, frequency, repeatsOnDay);
this.calendarRepository.save(interestRecalculationRecurrings);
}
@Transactional
@Override
public CommandProcessingResult modifyApplication(final Long loanId, final JsonCommand command) {
try {
this.context.authenticatedUser();
this.fromApiJsonDeserializer.validateForModify(command.json());
final Loan existingLoanApplication = retrieveLoanBy(loanId);
checkClientOrGroupActive(existingLoanApplication);
if (!existingLoanApplication.isSubmittedAndPendingApproval()) { throw new LoanApplicationNotInSubmittedAndPendingApprovalStateCannotBeModified(
loanId); }
final Set<LoanCharge> existingCharges = existingLoanApplication.charges();
Map<Long, LoanChargeData> chargesMap = new HashMap<>();
for (LoanCharge charge : existingCharges) {
LoanChargeData chargeData = new LoanChargeData(charge.getId(), charge.getDueLocalDate(), charge.amountOrPercentage());
chargesMap.put(charge.getId(), chargeData);
}
/**
* Stores all charges which are passed in during modify loan
* application
**/
final Set<LoanCharge> possiblyModifedLoanCharges = this.loanChargeAssembler.fromParsedJson(command.parsedJson());
/** Boolean determines if any charge has been modified **/
boolean isChargeModified = false;
/**
* If there are any charges already present, which are now not
* passed in as a part of the request, deem the charges as modified
**/
if (!possiblyModifedLoanCharges.containsAll(existingCharges)) {
isChargeModified = true;
}
/**
* If any new charges are added or values of existing charges are
* modified
**/
for (LoanCharge loanCharge : possiblyModifedLoanCharges) {
if (loanCharge.getId() == null) {
isChargeModified = true;
} else {
LoanChargeData chargeData = chargesMap.get(loanCharge.getId());
if (loanCharge.amountOrPercentage().compareTo(chargeData.amountOrPercentage()) != 0
|| (loanCharge.isSpecifiedDueDate() && !loanCharge.getDueLocalDate().equals(chargeData.getDueDate()))) {
isChargeModified = true;
}
}
}
final Set<LoanCollateral> possiblyModifedLoanCollateralItems = this.loanCollateralAssembler
.fromParsedJson(command.parsedJson());
final Map<String, Object> changes = existingLoanApplication.loanApplicationModification(command, possiblyModifedLoanCharges,
possiblyModifedLoanCollateralItems, this.aprCalculator, isChargeModified);
if (changes.containsKey("expectedDisbursementDate")) {
this.loanAssembler.validateExpectedDisbursementForHolidayAndNonWorkingDay(existingLoanApplication);
}
final String clientIdParamName = "clientId";
if (changes.containsKey(clientIdParamName)) {
final Long clientId = command.longValueOfParameterNamed(clientIdParamName);
final Client client = this.clientRepository.findOneWithNotFoundDetection(clientId);
if (client.isNotActive()) { throw new ClientNotActiveException(clientId); }
existingLoanApplication.updateClient(client);
}
final String groupIdParamName = "groupId";
if (changes.containsKey(groupIdParamName)) {
final Long groupId = command.longValueOfParameterNamed(groupIdParamName);
final Group group = this.groupRepository.findOneWithNotFoundDetection(groupId);
if (group.isNotActive()) { throw new GroupNotActiveException(groupId); }
existingLoanApplication.updateGroup(group);
}
final String productIdParamName = "productId";
if (changes.containsKey(productIdParamName)) {
final Long productId = command.longValueOfParameterNamed(productIdParamName);
final LoanProduct loanProduct = this.loanProductRepository.findOne(productId);
if (loanProduct == null) { throw new LoanProductNotFoundException(productId); }
existingLoanApplication.updateLoanProduct(loanProduct);
if (!changes.containsKey("interestRateFrequencyType")) {
existingLoanApplication.updateInterestRateFrequencyType();
}
final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan");
if (loanProduct.useBorrowerCycle()) {
final Long clientId = this.fromJsonHelper.extractLongNamed("clientId", command.parsedJson());
final Long groupId = this.fromJsonHelper.extractLongNamed("groupId", command.parsedJson());
Integer cycleNumber = 0;
if (clientId != null) {
cycleNumber = this.loanReadPlatformService.retriveLoanCounter(clientId, loanProduct.getId());
} else if (groupId != null) {
cycleNumber = this.loanReadPlatformService.retriveLoanCounter(groupId, AccountType.GROUP.getValue(),
loanProduct.getId());
}
this.loanProductCommandFromApiJsonDeserializer.validateMinMaxConstraints(command.parsedJson(), baseDataValidator,
loanProduct, cycleNumber);
} else {
this.loanProductCommandFromApiJsonDeserializer.validateMinMaxConstraints(command.parsedJson(), baseDataValidator,
loanProduct);
}
if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); }
}
existingLoanApplication.updateIsInterestRecalculationEnabled();
validateSubmittedOnDate(existingLoanApplication);
final LoanProductRelatedDetail productRelatedDetail = existingLoanApplication.repaymentScheduleDetail();
this.fromApiJsonDeserializer.validateLoanTermAndRepaidEveryValues(existingLoanApplication.getTermFrequency(),
existingLoanApplication.getTermPeriodFrequencyType(), productRelatedDetail.getNumberOfRepayments(),
productRelatedDetail.getRepayEvery(), productRelatedDetail.getRepaymentPeriodFrequencyType().getValue());
final String fundIdParamName = "fundId";
if (changes.containsKey(fundIdParamName)) {
final Long fundId = command.longValueOfParameterNamed(fundIdParamName);
final Fund fund = this.loanAssembler.findFundByIdIfProvided(fundId);
existingLoanApplication.updateFund(fund);
}
final String loanPurposeIdParamName = "loanPurposeId";
if (changes.containsKey(loanPurposeIdParamName)) {
final Long loanPurposeId = command.longValueOfParameterNamed(loanPurposeIdParamName);
final CodeValue loanPurpose = this.loanAssembler.findCodeValueByIdIfProvided(loanPurposeId);
existingLoanApplication.updateLoanPurpose(loanPurpose);
}
final String loanOfficerIdParamName = "loanOfficerId";
if (changes.containsKey(loanOfficerIdParamName)) {
final Long loanOfficerId = command.longValueOfParameterNamed(loanOfficerIdParamName);
final Staff newValue = this.loanAssembler.findLoanOfficerByIdIfProvided(loanOfficerId);
existingLoanApplication.updateLoanOfficerOnLoanApplication(newValue);
}
final String strategyIdParamName = "transactionProcessingStrategyId";
if (changes.containsKey(strategyIdParamName)) {
final Long strategyId = command.longValueOfParameterNamed(strategyIdParamName);
final LoanTransactionProcessingStrategy strategy = this.loanAssembler.findStrategyByIdIfProvided(strategyId);
existingLoanApplication.updateTransactionProcessingStrategy(strategy);
}
final String collateralParamName = "collateral";
if (changes.containsKey(collateralParamName)) {
final Set<LoanCollateral> loanCollateral = this.loanCollateralAssembler.fromParsedJson(command.parsedJson());
existingLoanApplication.updateLoanCollateral(loanCollateral);
}
if (changes.containsKey("recalculateLoanSchedule")) {
changes.remove("recalculateLoanSchedule");
final JsonElement parsedQuery = this.fromJsonHelper.parse(command.json());
final JsonQuery query = JsonQuery.from(command.json(), parsedQuery, this.fromJsonHelper);
final LoanScheduleModel loanSchedule = this.calculationPlatformService.calculateLoanSchedule(query, false);
existingLoanApplication.updateLoanSchedule(loanSchedule);
existingLoanApplication.recalculateAllCharges();
}
final String chargesParamName = "charges";
if (changes.containsKey(chargesParamName)) {
existingLoanApplication.updateLoanCharges(possiblyModifedLoanCharges);
}
saveAndFlushLoanWithDataIntegrityViolationChecks(existingLoanApplication);
final String submittedOnNote = command.stringValueOfParameterNamed("submittedOnNote");
if (StringUtils.isNotBlank(submittedOnNote)) {
final Note note = Note.loanNote(existingLoanApplication, submittedOnNote);
this.noteRepository.save(note);
}
final Long calendarId = command.longValueOfParameterNamed("calendarId");
Calendar calendar = null;
if (calendarId != null && calendarId != 0) {
calendar = this.calendarRepository.findOne(calendarId);
if (calendar == null) { throw new CalendarNotFoundException(calendarId); }
}
final List<CalendarInstance> ciList = (List<CalendarInstance>) this.calendarInstanceRepository.findByEntityIdAndEntityTypeId(
loanId, CalendarEntityType.LOANS.getValue());
if (calendar != null) {
// For loans, allow to attach only one calendar instance per
// loan
if (ciList != null && !ciList.isEmpty()) {
final CalendarInstance calendarInstance = ciList.get(0);
if (calendarInstance.getCalendar().getId() != calendar.getId()) {
calendarInstance.updateCalendar(calendar);
this.calendarInstanceRepository.saveAndFlush(calendarInstance);
}
} else {
// attaching new calendar
final CalendarInstance calendarInstance = new CalendarInstance(calendar, existingLoanApplication.getId(),
CalendarEntityType.LOANS.getValue());
this.calendarInstanceRepository.save(calendarInstance);
}
} else if (ciList != null && !ciList.isEmpty()) {
final CalendarInstance calendarInstance = ciList.get(0);
this.calendarInstanceRepository.delete(calendarInstance);
}
// Save linked account information
final String linkAccountIdParamName = "linkAccountId";
final Long savingsAccountId = command.longValueOfParameterNamed(linkAccountIdParamName);
AccountAssociations accountAssociations = this.accountAssociationsRepository.findByLoanId(loanId);
boolean isLinkedAccPresent = false;
if (savingsAccountId == null) {
if (accountAssociations != null) {
if (this.fromJsonHelper.parameterExists(linkAccountIdParamName, command.parsedJson())) {
this.accountAssociationsRepository.delete(accountAssociations);
changes.put(linkAccountIdParamName, null);
} else {
isLinkedAccPresent = true;
}
}
} else {
isLinkedAccPresent = true;
boolean isModified = false;
if (accountAssociations == null) {
isModified = true;
} else {
final SavingsAccount savingsAccount = accountAssociations.linkedSavingsAccount();
if (savingsAccount == null || savingsAccount.getId() != savingsAccountId) {
isModified = true;
}
}
if (isModified) {
final SavingsAccount savingsAccount = this.savingsAccountAssembler.assembleFrom(savingsAccountId);
this.fromApiJsonDeserializer.validatelinkedSavingsAccount(savingsAccount, existingLoanApplication);
if (accountAssociations == null) {
accountAssociations = AccountAssociations.associateSavingsAccount(existingLoanApplication, savingsAccount);
} else {
accountAssociations.updateLinkedSavingsAccount(savingsAccount);
}
changes.put(linkAccountIdParamName, savingsAccountId);
this.accountAssociationsRepository.save(accountAssociations);
}
}
if (!isLinkedAccPresent) {
final Set<LoanCharge> charges = existingLoanApplication.charges();
for (final LoanCharge loanCharge : charges) {
if (loanCharge.getChargePaymentMode().isPaymentModeAccountTransfer()) {
final String errorMessage = "one of the charges requires linked savings account for payment";
throw new LinkedAccountRequiredException("loanCharge", errorMessage);
}
}
}
// updating loan interest recalculation details throwing null
// pointer exception after saveAndFlush
// http://stackoverflow.com/questions/17151757/hibernate-cascade-update-gives-null-pointer/17334374#17334374
this.loanRepository.save(existingLoanApplication);
if (productRelatedDetail.isInterestRecalculationEnabled()) {
LocalDate recalculationFrequencyDate = existingLoanApplication.loanInterestRecalculationDetails()
.getRestFrequencyLocalDate();
if (recalculationFrequencyDate == null) {
recalculationFrequencyDate = existingLoanApplication.loanProduct().getProductInterestRecalculationDetails()
.getRestFrequencyLocalDate();
}
if (this.fromJsonHelper.parameterExists(LoanProductConstants.recalculationRestFrequencyDateParamName, command.parsedJson())) {
recalculationFrequencyDate = this.fromJsonHelper.extractLocalDateNamed(
LoanProductConstants.recalculationRestFrequencyDateParamName, command.parsedJson());
if (!existingLoanApplication.loanInterestRecalculationDetails().getRestFrequencyType().isSameAsRepayment()) {
this.fromApiJsonDeserializer.validateLoanForInterestRecalculation(recalculationFrequencyDate,
existingLoanApplication.getExpectedDisbursedOnLocalDate(), existingLoanApplication.charges());
}
}
CalendarInstance calendarInstance = this.calendarInstanceRepository.findByEntityIdAndEntityTypeIdAndCalendarTypeId(
existingLoanApplication.loanInterestRecalculationDetailId(),
CalendarEntityType.LOAN_RECALCULATION_DETAIL.getValue(), CalendarType.COLLECTION.getValue());
if (calendarInstance == null) {
createAndPersistCalendarInstanceForInterestRecalculation(existingLoanApplication);
} else {
updateCalendarDetailsForInterestRecalculation(calendarInstance, existingLoanApplication);
}
}
return new CommandProcessingResultBuilder() //
.withEntityId(loanId) //
.withOfficeId(existingLoanApplication.getOfficeId()) //
.withClientId(existingLoanApplication.getClientId()) //
.withGroupId(existingLoanApplication.getGroupId()) //
.withLoanId(existingLoanApplication.getId()) //
.with(changes).build();
} catch (final DataIntegrityViolationException dve) {
handleDataIntegrityIssues(command, dve);
return CommandProcessingResult.empty();
}
}
/*
* Guaranteed to throw an exception no matter what the data integrity issue
* is.
*/
private void handleDataIntegrityIssues(final JsonCommand command, final DataIntegrityViolationException dve) {
final Throwable realCause = dve.getMostSpecificCause();
if (realCause.getMessage().contains("loan_account_no_UNIQUE")) {
final String accountNo = command.stringValueOfParameterNamed("accountNo");
throw new PlatformDataIntegrityException("error.msg.loan.duplicate.accountNo", "Loan with accountNo `" + accountNo
+ "` already exists", "accountNo", accountNo);
} else if (realCause.getMessage().contains("loan_externalid_UNIQUE")) {
final String externalId = command.stringValueOfParameterNamed("externalId");
throw new PlatformDataIntegrityException("error.msg.loan.duplicate.externalId", "Loan with externalId `" + externalId
+ "` already exists", "externalId", externalId);
}
logAsErrorUnexpectedDataIntegrityException(dve);
throw new PlatformDataIntegrityException("error.msg.unknown.data.integrity.issue", "Unknown data integrity issue with resource.");
}
private void logAsErrorUnexpectedDataIntegrityException(final DataIntegrityViolationException dve) {
logger.error(dve.getMessage(), dve);
}
@Transactional
@Override
public CommandProcessingResult deleteApplication(final Long loanId) {
this.context.authenticatedUser();
final Loan loan = retrieveLoanBy(loanId);
checkClientOrGroupActive(loan);
if (loan.isNotSubmittedAndPendingApproval()) { throw new LoanApplicationNotInSubmittedAndPendingApprovalStateCannotBeDeleted(loanId); }
final List<Note> relatedNotes = this.noteRepository.findByLoanId(loan.getId());
this.noteRepository.deleteInBatch(relatedNotes);
this.loanRepository.delete(loanId);
return new CommandProcessingResultBuilder() //
.withEntityId(loanId) //
.withOfficeId(loan.getOfficeId()) //
.withClientId(loan.getClientId()) //
.withGroupId(loan.getGroupId()) //
.withLoanId(loan.getId()) //
.build();
}
@Transactional
@Override
public CommandProcessingResult approveApplication(final Long loanId, final JsonCommand command) {
final AppUser currentUser = this.context.authenticatedUser();
this.loanApplicationTransitionApiJsonValidator.validateApproval(command.json());
final Loan loan = retrieveLoanBy(loanId);
checkClientOrGroupActive(loan);
final Map<String, Object> changes = loan.loanApplicationApproval(currentUser, command, defaultLoanLifecycleStateMachine());
if (!changes.isEmpty()) {
this.loanRepository.save(loan);
final String noteText = command.stringValueOfParameterNamed("note");
if (StringUtils.isNotBlank(noteText)) {
final Note note = Note.loanNote(loan, noteText);
changes.put("note", noteText);
this.noteRepository.save(note);
}
}
return new CommandProcessingResultBuilder() //
.withCommandId(command.commandId()) //
.withEntityId(loan.getId()) //
.withOfficeId(loan.getOfficeId()) //
.withClientId(loan.getClientId()) //
.withGroupId(loan.getGroupId()) //
.withLoanId(loanId) //
.with(changes) //
.build();
}
@Transactional
@Override
public CommandProcessingResult undoApplicationApproval(final Long loanId, final JsonCommand command) {
this.context.authenticatedUser();
this.fromApiJsonDeserializer.validateForUndo(command.json());
final Loan loan = retrieveLoanBy(loanId);
checkClientOrGroupActive(loan);
final Map<String, Object> changes = loan.undoApproval(defaultLoanLifecycleStateMachine());
if (!changes.isEmpty()) {
this.loanRepository.save(loan);
final String noteText = command.stringValueOfParameterNamed("note");
if (StringUtils.isNotBlank(noteText)) {
final Note note = Note.loanNote(loan, noteText);
this.noteRepository.save(note);
}
}
return new CommandProcessingResultBuilder() //
.withCommandId(command.commandId()) //
.withEntityId(loan.getId()) //
.withOfficeId(loan.getOfficeId()) //
.withClientId(loan.getClientId()) //
.withGroupId(loan.getGroupId()) //
.withLoanId(loanId) //
.with(changes) //
.build();
}
@Transactional
@Override
public CommandProcessingResult rejectApplication(final Long loanId, final JsonCommand command) {
final AppUser currentUser = this.context.authenticatedUser();
this.loanApplicationTransitionApiJsonValidator.validateRejection(command.json());
final Loan loan = retrieveLoanBy(loanId);
checkClientOrGroupActive(loan);
final Map<String, Object> changes = loan.loanApplicationRejection(currentUser, command, defaultLoanLifecycleStateMachine());
if (!changes.isEmpty()) {
this.loanRepository.save(loan);
final String noteText = command.stringValueOfParameterNamed("note");
if (StringUtils.isNotBlank(noteText)) {
final Note note = Note.loanNote(loan, noteText);
this.noteRepository.save(note);
}
}
return new CommandProcessingResultBuilder() //
.withCommandId(command.commandId()) //
.withEntityId(loan.getId()) //
.withOfficeId(loan.getOfficeId()) //
.withClientId(loan.getClientId()) //
.withGroupId(loan.getGroupId()) //
.withLoanId(loanId) //
.with(changes) //
.build();
}
@Transactional
@Override
public CommandProcessingResult applicantWithdrawsFromApplication(final Long loanId, final JsonCommand command) {
final AppUser currentUser = this.context.authenticatedUser();
this.loanApplicationTransitionApiJsonValidator.validateApplicantWithdrawal(command.json());
final Loan loan = retrieveLoanBy(loanId);
checkClientOrGroupActive(loan);
final Map<String, Object> changes = loan.loanApplicationWithdrawnByApplicant(currentUser, command,
defaultLoanLifecycleStateMachine());
if (!changes.isEmpty()) {
this.loanRepository.save(loan);
final String noteText = command.stringValueOfParameterNamed("note");
if (StringUtils.isNotBlank(noteText)) {
final Note note = Note.loanNote(loan, noteText);
this.noteRepository.save(note);
}
}
return new CommandProcessingResultBuilder() //
.withCommandId(command.commandId()) //
.withEntityId(loan.getId()) //
.withOfficeId(loan.getOfficeId()) //
.withClientId(loan.getClientId()) //
.withGroupId(loan.getGroupId()) //
.withLoanId(loanId) //
.with(changes) //
.build();
}
private Loan retrieveLoanBy(final Long loanId) {
final Loan loan = this.loanRepository.findOne(loanId);
if (loan == null) { throw new LoanNotFoundException(loanId); }
loan.setHelpers(defaultLoanLifecycleStateMachine(), this.loanSummaryWrapper, this.loanRepaymentScheduleTransactionProcessorFactory);
return loan;
}
private void validateSubmittedOnDate(final Loan loan) {
final LocalDate startDate = loan.loanProduct().getStartDate();
final LocalDate closeDate = loan.loanProduct().getCloseDate();
final LocalDate expectedFirstRepaymentOnDate = loan.getExpectedFirstRepaymentOnDate();
final LocalDate submittedOnDate = loan.getSubmittedOnDate();
String defaultUserMessage = "";
if (startDate != null && submittedOnDate.isBefore(startDate)) {
defaultUserMessage = "submittedOnDate cannot be before the loan product startDate.";
throw new LoanApplicationDateException("submitted.on.date.cannot.be.before.the.loan.product.start.date", defaultUserMessage,
submittedOnDate.toString(), startDate.toString());
}
if (closeDate != null && submittedOnDate.isAfter(closeDate)) {
defaultUserMessage = "submittedOnDate cannot be after the loan product closeDate.";
throw new LoanApplicationDateException("submitted.on.date.cannot.be.after.the.loan.product.close.date", defaultUserMessage,
submittedOnDate.toString(), closeDate.toString());
}
if (expectedFirstRepaymentOnDate != null && submittedOnDate.isAfter(expectedFirstRepaymentOnDate)) {
defaultUserMessage = "submittedOnDate cannot be after the loans expectedFirstRepaymentOnDate.";
throw new LoanApplicationDateException("submitted.on.date.cannot.be.after.the.loan.expected.first.repayment.date",
defaultUserMessage, submittedOnDate.toString(), expectedFirstRepaymentOnDate.toString());
}
}
private void checkClientOrGroupActive(final Loan loan) {
final Client client = loan.client();
if (client != null) {
if (client.isNotActive()) { throw new ClientNotActiveException(client.getId()); }
}
final Group group = loan.group();
if (group != null) {
if (group.isNotActive()) { throw new GroupNotActiveException(group.getId()); }
}
}
private void saveAndFlushLoanWithDataIntegrityViolationChecks(final Loan loan) {
try {
List<LoanRepaymentScheduleInstallment> installments = loan.fetchRepaymentScheduleInstallments();
for (LoanRepaymentScheduleInstallment installment : installments) {
if (installment.getId() == null) {
this.repaymentScheduleInstallmentRepository.save(installment);
} else {
break;
}
}
this.loanRepository.saveAndFlush(loan);
} catch (final DataIntegrityViolationException e) {
final Throwable realCause = e.getCause();
final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loan.application");
if (realCause.getMessage().toLowerCase().contains("external_id_unique")) {
baseDataValidator.reset().parameter("externalId").failWithCode("value.must.be.unique");
}
if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
"Validation errors exist.", dataValidationErrors); }
}
}
}