Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package com.gst.portfolio.savings.service; import static com.gst.portfolio.savings.SavingsApiConstants.SAVINGS_ACCOUNT_RESOURCE_NAME; import java.util.*; import javax.persistence.PersistenceException; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.exception.ExceptionUtils; import com.gst.commands.domain.CommandWrapper; import com.gst.commands.service.CommandProcessingService; import com.gst.commands.service.CommandWrapperBuilder; import com.gst.infrastructure.accountnumberformat.domain.AccountNumberFormat; import com.gst.infrastructure.accountnumberformat.domain.AccountNumberFormatRepositoryWrapper; import com.gst.infrastructure.accountnumberformat.domain.EntityAccountType; import com.gst.infrastructure.core.api.JsonCommand; import com.gst.infrastructure.core.data.ApiParameterError; import com.gst.infrastructure.core.data.CommandProcessingResult; import com.gst.infrastructure.core.data.CommandProcessingResultBuilder; import com.gst.infrastructure.core.data.DataValidatorBuilder; import com.gst.infrastructure.core.exception.PlatformApiDataValidationException; import com.gst.infrastructure.core.exception.PlatformDataIntegrityException; import com.gst.infrastructure.core.service.DateUtils; import com.gst.infrastructure.dataqueries.data.EntityTables; import com.gst.infrastructure.dataqueries.data.StatusEnum; import com.gst.infrastructure.dataqueries.service.EntityDatatableChecksWritePlatformService; import com.gst.infrastructure.security.service.PlatformSecurityContext; import com.gst.organisation.monetary.domain.Money; import com.gst.organisation.staff.domain.Staff; import com.gst.organisation.staff.domain.StaffRepositoryWrapper; import com.gst.portfolio.client.domain.AccountNumberGenerator; import com.gst.portfolio.client.domain.Client; import com.gst.portfolio.client.domain.ClientRepositoryWrapper; import com.gst.portfolio.client.exception.ClientNotActiveException; import com.gst.portfolio.common.BusinessEventNotificationConstants.BUSINESS_ENTITY; import com.gst.portfolio.common.BusinessEventNotificationConstants.BUSINESS_EVENTS; import com.gst.portfolio.common.service.BusinessEventNotifierService; import com.gst.portfolio.group.domain.Group; import com.gst.portfolio.group.domain.GroupRepository; import com.gst.portfolio.group.exception.CenterNotActiveException; import com.gst.portfolio.group.exception.GroupNotActiveException; import com.gst.portfolio.group.exception.GroupNotFoundException; import com.gst.portfolio.note.domain.Note; import com.gst.portfolio.note.domain.NoteRepository; import com.gst.portfolio.savings.SavingsApiConstants; import com.gst.portfolio.savings.data.SavingsAccountDataDTO; import com.gst.portfolio.savings.data.SavingsAccountDataValidator; import com.gst.portfolio.savings.domain.*; import com.gst.portfolio.savings.exception.SavingsProductNotFoundException; import com.gst.useradministration.domain.AppUser; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.dao.DataAccessException; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; @Service public class SavingsApplicationProcessWritePlatformServiceJpaRepositoryImpl implements SavingsApplicationProcessWritePlatformService { private final static Logger logger = LoggerFactory .getLogger(SavingsApplicationProcessWritePlatformServiceJpaRepositoryImpl.class); private final PlatformSecurityContext context; private final SavingsAccountRepositoryWrapper savingAccountRepository; private final SavingsAccountAssembler savingAccountAssembler; private final SavingsAccountDataValidator savingsAccountDataValidator; private final AccountNumberGenerator accountNumberGenerator; private final ClientRepositoryWrapper clientRepository; private final GroupRepository groupRepository; private final SavingsProductRepository savingsProductRepository; private final NoteRepository noteRepository; private final StaffRepositoryWrapper staffRepository; private final SavingsAccountApplicationTransitionApiJsonValidator savingsAccountApplicationTransitionApiJsonValidator; private final SavingsAccountChargeAssembler savingsAccountChargeAssembler; private final CommandProcessingService commandProcessingService; private final SavingsAccountDomainService savingsAccountDomainService; private final SavingsAccountWritePlatformService savingsAccountWritePlatformService; private final AccountNumberFormatRepositoryWrapper accountNumberFormatRepository; private final BusinessEventNotifierService businessEventNotifierService; private final EntityDatatableChecksWritePlatformService entityDatatableChecksWritePlatformService; @Autowired public SavingsApplicationProcessWritePlatformServiceJpaRepositoryImpl(final PlatformSecurityContext context, final SavingsAccountRepositoryWrapper savingAccountRepository, final SavingsAccountAssembler savingAccountAssembler, final SavingsAccountDataValidator savingsAccountDataValidator, final AccountNumberGenerator accountNumberGenerator, final ClientRepositoryWrapper clientRepository, final GroupRepository groupRepository, final SavingsProductRepository savingsProductRepository, final NoteRepository noteRepository, final StaffRepositoryWrapper staffRepository, final SavingsAccountApplicationTransitionApiJsonValidator savingsAccountApplicationTransitionApiJsonValidator, final SavingsAccountChargeAssembler savingsAccountChargeAssembler, final CommandProcessingService commandProcessingService, final SavingsAccountDomainService savingsAccountDomainService, final SavingsAccountWritePlatformService savingsAccountWritePlatformService, final AccountNumberFormatRepositoryWrapper accountNumberFormatRepository, final BusinessEventNotifierService businessEventNotifierService, final EntityDatatableChecksWritePlatformService entityDatatableChecksWritePlatformService) { this.context = context; this.savingAccountRepository = savingAccountRepository; this.savingAccountAssembler = savingAccountAssembler; this.accountNumberGenerator = accountNumberGenerator; this.savingsAccountDataValidator = savingsAccountDataValidator; this.clientRepository = clientRepository; this.groupRepository = groupRepository; this.savingsProductRepository = savingsProductRepository; this.noteRepository = noteRepository; this.staffRepository = staffRepository; this.savingsAccountApplicationTransitionApiJsonValidator = savingsAccountApplicationTransitionApiJsonValidator; this.savingsAccountChargeAssembler = savingsAccountChargeAssembler; this.commandProcessingService = commandProcessingService; this.savingsAccountDomainService = savingsAccountDomainService; this.accountNumberFormatRepository = accountNumberFormatRepository; this.savingsAccountWritePlatformService = savingsAccountWritePlatformService; this.businessEventNotifierService = businessEventNotifierService; this.entityDatatableChecksWritePlatformService = entityDatatableChecksWritePlatformService; } /* * Guaranteed to throw an exception no matter what the data integrity issue * is. */ private void handleDataIntegrityIssues(final JsonCommand command, final Throwable realCause, final Exception dve) { final StringBuilder errorCodeBuilder = new StringBuilder("error.msg.") .append(SavingsApiConstants.SAVINGS_ACCOUNT_RESOURCE_NAME); if (realCause.getMessage().contains("sa_account_no_UNIQUE")) { final String accountNo = command.stringValueOfParameterNamed("accountNo"); errorCodeBuilder.append(".duplicate.accountNo"); throw new PlatformDataIntegrityException(errorCodeBuilder.toString(), "Savings account with accountNo " + accountNo + " already exists", "accountNo", accountNo); } else if (realCause.getMessage().contains("sa_externalid_UNIQUE")) { final String externalId = command.stringValueOfParameterNamed("externalId"); errorCodeBuilder.append(".duplicate.externalId"); throw new PlatformDataIntegrityException(errorCodeBuilder.toString(), "Savings account with externalId " + externalId + " already exists", "externalId", externalId); } errorCodeBuilder.append(".unknown.data.integrity.issue"); logger.error(dve.getMessage(), dve); throw new PlatformDataIntegrityException(errorCodeBuilder.toString(), "Unknown data integrity issue with savings account."); } @Transactional @Override public CommandProcessingResult submitApplication(final JsonCommand command) { try { this.savingsAccountDataValidator.validateForSubmit(command.json()); final AppUser submittedBy = this.context.authenticatedUser(); final SavingsAccount account = this.savingAccountAssembler.assembleFrom(command, submittedBy); this.savingAccountRepository.save(account); generateAccountNumber(account); final Long savingsId = account.getId(); if (command.parameterExists(SavingsApiConstants.datatables)) { this.entityDatatableChecksWritePlatformService.saveDatatables( StatusEnum.CREATE.getCode().longValue(), EntityTables.SAVING.getName(), savingsId, account.productId(), command.arrayOfParameterNamed(SavingsApiConstants.datatables)); } this.entityDatatableChecksWritePlatformService.runTheCheckForProduct(savingsId, EntityTables.SAVING.getName(), StatusEnum.CREATE.getCode().longValue(), EntityTables.SAVING.getForeignKeyColumnNameOnDatatable(), account.productId()); return new CommandProcessingResultBuilder() // .withCommandId(command.commandId()) // .withEntityId(savingsId) // .withOfficeId(account.officeId()) // .withClientId(account.clientId()) // .withGroupId(account.groupId()) // .withSavingsId(savingsId) // .build(); } catch (final DataAccessException dve) { handleDataIntegrityIssues(command, dve.getMostSpecificCause(), dve); return CommandProcessingResult.empty(); } catch (final PersistenceException dve) { Throwable throwable = ExceptionUtils.getRootCause(dve.getCause()); handleDataIntegrityIssues(command, throwable, dve); return CommandProcessingResult.empty(); } } private void generateAccountNumber(final SavingsAccount account) { if (account.isAccountNumberRequiresAutoGeneration()) { final AccountNumberFormat accountNumberFormat = this.accountNumberFormatRepository .findByAccountType(EntityAccountType.SAVINGS); account.updateAccountNo(this.accountNumberGenerator.generate(account, accountNumberFormat)); this.savingAccountRepository.save(account); } } @Transactional @Override public CommandProcessingResult modifyApplication(final Long savingsId, final JsonCommand command) { try { this.savingsAccountDataValidator.validateForUpdate(command.json()); final Map<String, Object> changes = new LinkedHashMap<>(20); final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId); checkClientOrGroupActive(account); account.modifyApplication(command, changes); account.validateNewApplicationState(DateUtils.getLocalDateOfTenant(), SAVINGS_ACCOUNT_RESOURCE_NAME); account.validateAccountValuesWithProduct(); if (!changes.isEmpty()) { if (changes.containsKey(SavingsApiConstants.clientIdParamName)) { final Long clientId = command.longValueOfParameterNamed(SavingsApiConstants.clientIdParamName); if (clientId != null) { final Client client = this.clientRepository.findOneWithNotFoundDetection(clientId); if (client.isNotActive()) { throw new ClientNotActiveException(clientId); } account.update(client); } else { final Client client = null; account.update(client); } } if (changes.containsKey(SavingsApiConstants.groupIdParamName)) { final Long groupId = command.longValueOfParameterNamed(SavingsApiConstants.groupIdParamName); if (groupId != null) { final Group group = this.groupRepository.findOne(groupId); if (group == null) { throw new GroupNotFoundException(groupId); } if (group.isNotActive()) { if (group.isCenter()) { throw new CenterNotActiveException(groupId); } throw new GroupNotActiveException(groupId); } account.update(group); } else { final Group group = null; account.update(group); } } if (changes.containsKey(SavingsApiConstants.productIdParamName)) { final Long productId = command .longValueOfParameterNamed(SavingsApiConstants.productIdParamName); final SavingsProduct product = this.savingsProductRepository.findOne(productId); if (product == null) { throw new SavingsProductNotFoundException(productId); } account.update(product); } if (changes.containsKey(SavingsApiConstants.fieldOfficerIdParamName)) { final Long fieldOfficerId = command .longValueOfParameterNamed(SavingsApiConstants.fieldOfficerIdParamName); Staff fieldOfficer = null; if (fieldOfficerId != null) { fieldOfficer = this.staffRepository.findOneWithNotFoundDetection(fieldOfficerId); } else { changes.put(SavingsApiConstants.fieldOfficerIdParamName, ""); } account.update(fieldOfficer); } if (changes.containsKey("charges")) { final Set<SavingsAccountCharge> charges = this.savingsAccountChargeAssembler .fromParsedJson(command.parsedJson(), account.getCurrency().getCode()); final boolean updated = account.update(charges); if (!updated) { changes.remove("charges"); } } this.savingAccountRepository.saveAndFlush(account); } return new CommandProcessingResultBuilder() // .withCommandId(command.commandId()) // .withEntityId(savingsId) // .withOfficeId(account.officeId()) // .withClientId(account.clientId()) // .withGroupId(account.groupId()) // .withSavingsId(savingsId) // .with(changes) // .build(); } catch (final DataAccessException dve) { handleDataIntegrityIssues(command, dve.getMostSpecificCause(), dve); return new CommandProcessingResult(Long.valueOf(-1)); } catch (final PersistenceException dve) { Throwable throwable = ExceptionUtils.getRootCause(dve.getCause()); handleDataIntegrityIssues(command, throwable, dve); return CommandProcessingResult.empty(); } } @Transactional @Override public CommandProcessingResult deleteApplication(final Long savingsId) { final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsId); checkClientOrGroupActive(account); if (account.isNotSubmittedAndPendingApproval()) { final List<ApiParameterError> dataValidationErrors = new ArrayList<>(); final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors) .resource(SAVINGS_ACCOUNT_RESOURCE_NAME + SavingsApiConstants.deleteApplicationAction); baseDataValidator.reset().parameter(SavingsApiConstants.activatedOnDateParamName) .failWithCodeNoParameterAddedToErrorCode("not.in.submittedandpendingapproval.state"); if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException(dataValidationErrors); } } final List<Note> relatedNotes = this.noteRepository.findBySavingsAccountId(savingsId); this.noteRepository.deleteInBatch(relatedNotes); this.savingAccountRepository.delete(account); return new CommandProcessingResultBuilder() // .withEntityId(savingsId) // .withOfficeId(account.officeId()) // .withClientId(account.clientId()) // .withGroupId(account.groupId()) // .withSavingsId(savingsId) // .build(); } @Transactional @Override public CommandProcessingResult approveApplication(final Long savingsId, final JsonCommand command) { final AppUser currentUser = this.context.authenticatedUser(); this.savingsAccountApplicationTransitionApiJsonValidator.validateApproval(command.json()); final SavingsAccount savingsAccount = this.savingAccountAssembler.assembleFrom(savingsId); checkClientOrGroupActive(savingsAccount); entityDatatableChecksWritePlatformService.runTheCheckForProduct(savingsId, EntityTables.SAVING.getName(), StatusEnum.APPROVE.getCode().longValue(), EntityTables.SAVING.getForeignKeyColumnNameOnDatatable(), savingsAccount.productId()); final Map<String, Object> changes = savingsAccount.approveApplication(currentUser, command, DateUtils.getLocalDateOfTenant()); if (!changes.isEmpty()) { this.savingAccountRepository.save(savingsAccount); final String noteText = command.stringValueOfParameterNamed("note"); if (StringUtils.isNotBlank(noteText)) { final Note note = Note.savingNote(savingsAccount, noteText); changes.put("note", noteText); this.noteRepository.save(note); } } return new CommandProcessingResultBuilder() // .withCommandId(command.commandId()) // .withEntityId(savingsId) // .withOfficeId(savingsAccount.officeId()) // .withClientId(savingsAccount.clientId()) // .withGroupId(savingsAccount.groupId()) // .withSavingsId(savingsId) // .with(changes) // .build(); } @Transactional @Override public CommandProcessingResult undoApplicationApproval(final Long savingsId, final JsonCommand command) { this.context.authenticatedUser(); this.savingsAccountApplicationTransitionApiJsonValidator.validateForUndo(command.json()); final SavingsAccount savingsAccount = this.savingAccountAssembler.assembleFrom(savingsId); checkClientOrGroupActive(savingsAccount); final Map<String, Object> changes = savingsAccount.undoApplicationApproval(); if (!changes.isEmpty()) { this.savingAccountRepository.save(savingsAccount); final String noteText = command.stringValueOfParameterNamed("note"); if (StringUtils.isNotBlank(noteText)) { final Note note = Note.savingNote(savingsAccount, noteText); changes.put("note", noteText); this.noteRepository.save(note); } } return new CommandProcessingResultBuilder() // .withCommandId(command.commandId()) // .withEntityId(savingsId) // .withOfficeId(savingsAccount.officeId()) // .withClientId(savingsAccount.clientId()) // .withGroupId(savingsAccount.groupId()) // .withSavingsId(savingsId) // .with(changes) // .build(); } @Transactional @Override public CommandProcessingResult rejectApplication(final Long savingsId, final JsonCommand command) { final AppUser currentUser = this.context.authenticatedUser(); this.savingsAccountApplicationTransitionApiJsonValidator.validateRejection(command.json()); final SavingsAccount savingsAccount = this.savingAccountAssembler.assembleFrom(savingsId); checkClientOrGroupActive(savingsAccount); entityDatatableChecksWritePlatformService.runTheCheckForProduct(savingsId, EntityTables.SAVING.getName(), StatusEnum.REJECTED.getCode().longValue(), EntityTables.SAVING.getForeignKeyColumnNameOnDatatable(), savingsAccount.productId()); final Map<String, Object> changes = savingsAccount.rejectApplication(currentUser, command, DateUtils.getLocalDateOfTenant()); if (!changes.isEmpty()) { this.savingAccountRepository.save(savingsAccount); final String noteText = command.stringValueOfParameterNamed("note"); if (StringUtils.isNotBlank(noteText)) { final Note note = Note.savingNote(savingsAccount, noteText); changes.put("note", noteText); this.noteRepository.save(note); } } this.businessEventNotifierService.notifyBusinessEventWasExecuted(BUSINESS_EVENTS.SAVINGS_REJECT, constructEntityMap(BUSINESS_ENTITY.SAVING, savingsAccount)); return new CommandProcessingResultBuilder() // .withCommandId(command.commandId()) // .withEntityId(savingsId) // .withOfficeId(savingsAccount.officeId()) // .withClientId(savingsAccount.clientId()) // .withGroupId(savingsAccount.groupId()) // .withSavingsId(savingsId) // .with(changes) // .build(); } @Transactional @Override public CommandProcessingResult applicantWithdrawsFromApplication(final Long savingsId, final JsonCommand command) { final AppUser currentUser = this.context.authenticatedUser(); this.savingsAccountApplicationTransitionApiJsonValidator.validateApplicantWithdrawal(command.json()); final SavingsAccount savingsAccount = this.savingAccountAssembler.assembleFrom(savingsId); checkClientOrGroupActive(savingsAccount); entityDatatableChecksWritePlatformService.runTheCheckForProduct(savingsId, EntityTables.SAVING.getName(), StatusEnum.WITHDRAWN.getCode().longValue(), EntityTables.SAVING.getForeignKeyColumnNameOnDatatable(), savingsAccount.productId()); final Map<String, Object> changes = savingsAccount.applicantWithdrawsFromApplication(currentUser, command, DateUtils.getLocalDateOfTenant()); if (!changes.isEmpty()) { this.savingAccountRepository.save(savingsAccount); final String noteText = command.stringValueOfParameterNamed("note"); if (StringUtils.isNotBlank(noteText)) { final Note note = Note.savingNote(savingsAccount, noteText); changes.put("note", noteText); this.noteRepository.save(note); } } return new CommandProcessingResultBuilder() // .withCommandId(command.commandId()) // .withEntityId(savingsId) // .withOfficeId(savingsAccount.officeId()) // .withClientId(savingsAccount.clientId()) // .withGroupId(savingsAccount.groupId()) // .withSavingsId(savingsId) // .with(changes) // .build(); } private void checkClientOrGroupActive(final SavingsAccount account) { final Client client = account.getClient(); if (client != null) { if (client.isNotActive()) { throw new ClientNotActiveException(client.getId()); } } final Group group = account.group(); if (group != null) { if (group.isNotActive()) { if (group.isCenter()) { throw new CenterNotActiveException(group.getId()); } throw new GroupNotActiveException(group.getId()); } } } @Override public CommandProcessingResult createActiveApplication(final SavingsAccountDataDTO savingsAccountDataDTO) { final CommandWrapper commandWrapper = new CommandWrapperBuilder().savingsAccountActivation(null).build(); boolean rollbackTransaction = this.commandProcessingService.validateCommand(commandWrapper, savingsAccountDataDTO.getAppliedBy()); final SavingsAccount account = this.savingAccountAssembler.assembleFrom(savingsAccountDataDTO.getClient(), savingsAccountDataDTO.getGroup(), savingsAccountDataDTO.getSavingsProduct(), savingsAccountDataDTO.getApplicationDate(), savingsAccountDataDTO.getAppliedBy()); account.approveAndActivateApplication(savingsAccountDataDTO.getApplicationDate().toDate(), savingsAccountDataDTO.getAppliedBy()); Money amountForDeposit = account.activateWithBalance(); final Set<Long> existingTransactionIds = new HashSet<>(); final Set<Long> existingReversedTransactionIds = new HashSet<>(); if (amountForDeposit.isGreaterThanZero()) { this.savingAccountRepository.save(account); } this.savingsAccountWritePlatformService.processPostActiveActions(account, savingsAccountDataDTO.getFmt(), existingTransactionIds, existingReversedTransactionIds); this.savingAccountRepository.save(account); generateAccountNumber(account); // post journal entries for activation charges this.savingsAccountDomainService.postJournalEntries(account, existingTransactionIds, existingReversedTransactionIds); return new CommandProcessingResultBuilder() // .withSavingsId(account.getId()) // .setRollbackTransaction(rollbackTransaction)// .build(); } private Map<BUSINESS_ENTITY, Object> constructEntityMap(final BUSINESS_ENTITY entityEvent, Object entity) { Map<BUSINESS_ENTITY, Object> map = new HashMap<>(1); map.put(entityEvent, entity); return map; } }