Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2018 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.tl.service; import org.egov.demand.model.EgDemandDetails; import org.egov.infra.config.persistence.datasource.routing.annotation.ReadOnly; import org.egov.infra.validation.exception.ValidationException; import org.egov.tl.entity.TradeLicense; import org.egov.tl.entity.Validity; import org.egov.tl.repository.ValidityRepository; import org.joda.time.DateTime; import org.joda.time.LocalDate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Sort; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Optional; @Service @Transactional(readOnly = true) public class ValidityService { @Autowired private ValidityRepository validityRepository; @Transactional public Validity create(Validity validity) { return validityRepository.save(validity); } @Transactional public Validity update(Validity validity) { return validityRepository.save(validity); } public List<Validity> findAll() { return validityRepository.findAll(new Sort(Sort.Direction.ASC, "name")); } public Validity findOne(Long id) { return validityRepository.findOne(id); } @ReadOnly public List<Validity> search(Long natureOfBusiness, Long licenseCategory) { if (natureOfBusiness != null && licenseCategory != null) { Validity validity = validityRepository.findByNatureOfBusinessIdAndLicenseCategoryId(natureOfBusiness, licenseCategory); return validity != null ? Arrays.asList(validity) : Collections.emptyList(); } else if (natureOfBusiness != null) return validityRepository.findByNatureOfBusinessId(natureOfBusiness); else if (licenseCategory != null) return validityRepository.findByLicenseCategoryId(licenseCategory); else return validityRepository.findAll(); } public Validity getApplicableLicenseValidity(final TradeLicense license) { return Optional .ofNullable(validityRepository.findByNatureOfBusinessIdAndLicenseCategoryId( license.getNatureOfBusiness().getId(), license.getCategory().getId())) .orElse(validityRepository .findByNatureOfBusinessIdAndLicenseCategoryIsNull(license.getNatureOfBusiness().getId())); } public void applyLicenseValidity(TradeLicense license) { Validity validity = getApplicableLicenseValidity(license); if (validity == null) throw new ValidationException("TL-010", "License validity not defined."); if (validity.isBasedOnFinancialYear()) applyLicenseExpiryBasedOnFinancialYear(license); else applyLicenseExpiryBasedOnCustomValidity(license, validity); if (license.getDateOfExpiry() == null && license.isLegacy()) { license.getCurrentDemand().getEgDemandDetails().stream() .filter(demandDetail -> demandDetail.getAmount().doubleValue() > 0) .min(Comparator.comparing(EgDemandDetails::getInstallmentEndDate)) .ifPresent(demandDetail -> license.setDateOfExpiry( new DateTime(demandDetail.getInstallmentEndDate()).minusYears(1).toDate())); } } private void applyLicenseExpiryBasedOnFinancialYear(TradeLicense license) { license.getCurrentDemand().getEgDemandDetails().stream() .filter(demandDetail -> demandDetail.getAmount().doubleValue() > 0 && demandDetail.getAmount().subtract(demandDetail.getAmtCollected()).doubleValue() <= 0) .max(Comparator.comparing(EgDemandDetails::getInstallmentEndDate)) .ifPresent(demandDetail -> license.setDateOfExpiry(demandDetail.getInstallmentEndDate())); } private void applyLicenseExpiryBasedOnCustomValidity(TradeLicense license, Validity validity) { LocalDate nextExpiryDate = new LocalDate(license.isNewApplication() ? license.getCommencementDate() : license.getCurrentDemand().getEgInstallmentMaster().getFromDate()); if (validity.getYear() != null && validity.getYear() > 0) nextExpiryDate = nextExpiryDate.plusYears(validity.getYear()); if (validity.getMonth() != null && validity.getMonth() > 0) nextExpiryDate = nextExpiryDate.plusMonths(validity.getMonth()); if (validity.getWeek() != null && validity.getWeek() > 0) nextExpiryDate = nextExpiryDate.plusWeeks(validity.getWeek()); if (validity.getDay() != null && validity.getDay() > 0) nextExpiryDate = nextExpiryDate.plusDays(validity.getDay()); license.setDateOfExpiry(nextExpiryDate.toDate()); } }