Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2017 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.adtax.service.penalty; import java.math.BigDecimal; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import org.egov.adtax.entity.AdvertisementAdditionalTaxRate; import org.egov.adtax.entity.AdvertisementPermitDetail; import org.egov.adtax.exception.HoardingValidationError; import org.egov.adtax.service.AdvertisementAdditinalTaxRateService; import org.egov.adtax.service.AdvertisementPenaltyRatesService; import org.egov.adtax.utils.constants.AdvertisementTaxConstants; import org.egov.commons.Installment; import org.egov.demand.model.EgDemandDetails; import org.egov.infra.admin.master.entity.AppConfigValues; import org.egov.infra.admin.master.service.AppConfigValueService; import org.joda.time.DateTime; import org.joda.time.Days; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; @Service @Transactional(readOnly = true) public class AdvertisementPenaltyCalculatorImpl implements AdvertisementPenaltyCalculator { @Autowired private AdvertisementPenaltyRatesService advertisementPenaltyRatesService; private @Autowired AppConfigValueService appConfigValuesService; private @Autowired AdvertisementAdditionalTaxCalculator advertisementAdditionalTaxCalculator; @Autowired private AdvertisementAdditinalTaxRateService advertisementAdditinalTaxRateService; @Override public BigDecimal calculatePenalty(final AdvertisementPermitDetail advPermitDetail) throws HoardingValidationError { BigDecimal penaltyAmt = BigDecimal.ZERO; BigDecimal additinalTax = BigDecimal.ZERO; if (penaltyCalculationRequired()) { final List<AdvertisementAdditionalTaxRate> additionalTaxRates = advertisementAdditinalTaxRateService .getAllActiveAdditinalTaxRates(); if (advPermitDetail != null && advPermitDetail.getAdvertisement() != null && advPermitDetail.getAdvertisement().getDemandId() != null) for (final EgDemandDetails demandDtl : advPermitDetail.getAdvertisement().getDemandId() .getEgDemandDetails()) { additinalTax = getAdditionalFeeAmountByPassingDemandDetail(demandDtl, additionalTaxRates); penaltyAmt = penaltyAmt.add(getPenaltyAmount(advPermitDetail, demandDtl, additinalTax)) .setScale(0, BigDecimal.ROUND_HALF_UP); } } return penaltyAmt.setScale(0, BigDecimal.ROUND_HALF_UP); } /* * private BigDecimal getPenaltyAmount(final AdvertisementPermitDetail advPermitDetail, final EgDemandDetails demandDtl) { * double percentage = 0; int days = 0; BigDecimal penaltyAmt = BigDecimal.ZERO; if * (demandDtl.getBalance().compareTo(BigDecimal.ZERO) > 0) { days = * calculateNumberOfDaysForPenaltyCalculation(advPermitDetail, demandDtl); percentage = advertisementPenaltyRatesService * .findPenaltyRatesByNumberOfDays(Long.valueOf(days)); if (percentage > 0) penaltyAmt = demandDtl.getBalance() * .multiply(BigDecimal.valueOf(percentage)) .divide(BigDecimal.valueOf(100).setScale(0, BigDecimal.ROUND_HALF_UP)); } return * penaltyAmt; } */ private BigDecimal getPenaltyAmount(final AdvertisementPermitDetail advPermitDetail, final EgDemandDetails demandDtl, final BigDecimal additionalTax) { double percentage = 0; int days = 0; BigDecimal penaltyAmt = BigDecimal.ZERO, totalAmount = BigDecimal.ZERO; if (demandDtl.getBalance().compareTo(BigDecimal.ZERO) > 0) { days = calculateNumberOfDaysForPenaltyCalculation(advPermitDetail, demandDtl); totalAmount = demandDtl.getBalance(); if (additionalTax != null && additionalTax.compareTo(BigDecimal.ZERO) > 0) totalAmount = totalAmount.add(additionalTax); percentage = advertisementPenaltyRatesService.findPenaltyRatesByNumberOfDays(Long.valueOf(days)); if (percentage > 0) penaltyAmt = totalAmount.multiply(BigDecimal.valueOf(percentage)) .divide(BigDecimal.valueOf(100).setScale(3, BigDecimal.ROUND_HALF_UP)); } return penaltyAmt; } private int calculateNumberOfDaysForPenaltyCalculation(final AdvertisementPermitDetail advPermitDetail, final EgDemandDetails demandDtl) { int days = 0; // Eg: Next year installment if (demandDtl.getInstallmentStartDate().after(new Date())) days = Days.daysBetween(new DateTime(demandDtl.getInstallmentStartDate()), new DateTime(new Date())) .getDays(); else if (demandDtl.getInstallmentStartDate().before(new Date())) if (advPermitDetail.getAdvertisement().getPenaltyCalculationDate() != null && demandDtl.getInstallmentStartDate() .before(advPermitDetail.getAdvertisement().getPenaltyCalculationDate()) && (demandDtl.getInstallmentEndDate() .equals(advPermitDetail.getAdvertisement().getPenaltyCalculationDate()) || demandDtl.getInstallmentEndDate() .after(advPermitDetail.getAdvertisement().getPenaltyCalculationDate()))) days = Days .daysBetween(new DateTime(advPermitDetail.getAdvertisement().getPenaltyCalculationDate()), new DateTime(new Date())) .getDays(); else days = Days.daysBetween(new DateTime(demandDtl.getInstallmentStartDate()), new DateTime(new Date())) .getDays(); return days; } @Override public Map<Installment, BigDecimal> getPenaltyByInstallment(final AdvertisementPermitDetail advPermitDetail) { final Map<Installment, BigDecimal> penaltyReasons = new HashMap<Installment, BigDecimal>(); BigDecimal penaltyAmt = BigDecimal.ZERO; BigDecimal additinalTax = BigDecimal.ZERO; if (penaltyCalculationRequired()) { final List<AdvertisementAdditionalTaxRate> additionalTaxRates = advertisementAdditinalTaxRateService .getAllActiveAdditinalTaxRates(); if (advPermitDetail != null && advPermitDetail.getAdvertisement() != null && advPermitDetail.getAdvertisement().getDemandId() != null) for (final EgDemandDetails demandDtl : advPermitDetail.getAdvertisement().getDemandId() .getEgDemandDetails()) { additinalTax = getAdditionalFeeAmountByPassingDemandDetail(demandDtl, additionalTaxRates); penaltyAmt = getPenaltyAmount(advPermitDetail, demandDtl, additinalTax); if (penaltyReasons.get(demandDtl.getEgDemandReason().getEgInstallmentMaster()) == null) penaltyReasons.put(demandDtl.getEgDemandReason().getEgInstallmentMaster(), penaltyAmt); else penaltyReasons.put(demandDtl.getEgDemandReason().getEgInstallmentMaster(), penaltyReasons .get(demandDtl.getEgDemandReason().getEgInstallmentMaster()).add(penaltyAmt)); } } if (penaltyReasons != null && penaltyReasons.size() > 0) for (final Map.Entry<Installment, BigDecimal> penaltyReason : penaltyReasons.entrySet()) penaltyReason.setValue(penaltyReason.getValue().setScale(0, BigDecimal.ROUND_HALF_UP)); return penaltyReasons; } @Override public Map<Installment, BigDecimal> getPenaltyOnAdditionalTaxByInstallment( final AdvertisementPermitDetail advPermitDetail) { final Map<Installment, BigDecimal> penaltyReasons = new HashMap<Installment, BigDecimal>(); BigDecimal penaltyAmt = BigDecimal.ZERO; BigDecimal additinalTax = BigDecimal.ZERO; if (penaltyCalculationRequired()) { final List<AdvertisementAdditionalTaxRate> additionalTaxRates = advertisementAdditinalTaxRateService .getAllActiveAdditinalTaxRates(); if (advPermitDetail != null && advPermitDetail.getAdvertisement() != null && advPermitDetail.getAdvertisement().getDemandId() != null) for (final EgDemandDetails demandDtl : advPermitDetail.getAdvertisement().getDemandId() .getEgDemandDetails()) { additinalTax = getAdditionalFeeAmountByPassingDemandDetail(demandDtl, additionalTaxRates); /* * if(additinalTax!=null && additinalTax.compareTo(BigDecimal.ZERO)>0) penaltyAmt.add(additinalTax); */ penaltyAmt = getPenaltyAmount(advPermitDetail, demandDtl, additinalTax); if (penaltyReasons.get(demandDtl.getEgDemandReason().getEgInstallmentMaster()) == null) penaltyReasons.put(demandDtl.getEgDemandReason().getEgInstallmentMaster(), penaltyAmt); else penaltyReasons.put(demandDtl.getEgDemandReason().getEgInstallmentMaster(), penaltyReasons .get(demandDtl.getEgDemandReason().getEgInstallmentMaster()).add(penaltyAmt)); } } if (penaltyReasons != null && penaltyReasons.size() > 0) for (final Map.Entry<Installment, BigDecimal> penaltyReason : penaltyReasons.entrySet()) penaltyReason.setValue(penaltyReason.getValue().setScale(0, BigDecimal.ROUND_HALF_UP)); return penaltyReasons; } private BigDecimal getAdditionalFeeAmountByPassingDemandDetail(final EgDemandDetails demandDtl, final List<AdvertisementAdditionalTaxRate> additionalTaxRates) { BigDecimal additinalTax = BigDecimal.ZERO; if (!additionalTaxRates.isEmpty()) additinalTax = advertisementAdditionalTaxCalculator .getAdditionalTaxAmountByPassingDemandDetailAndAdditionalTaxes(demandDtl, additionalTaxRates); return additinalTax; } // TODO: THROW VALIDATION EXCEPTION IN UI. private Boolean penaltyCalculationRequired() throws HoardingValidationError { final AppConfigValues ispenaltyCalculationRequired = appConfigValuesService.getConfigValuesByModuleAndKey( AdvertisementTaxConstants.MODULE_NAME, AdvertisementTaxConstants.PENALTYCALCULATIONREQUIRED).get(0); if (ispenaltyCalculationRequired == null) throw new HoardingValidationError("taxAmount", "ADTAX.004"); if (ispenaltyCalculationRequired != null && "YES".equalsIgnoreCase(ispenaltyCalculationRequired.getValue())) return true; return false; } }