LateFeeByDayRule.java
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/*
* Copyright 2017-2020 吴学文 and java110 team.
*
* Licensed 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.java110.fee.discount.impl;
import com.java110.core.smo.IComputeFeeSMO;
import com.java110.dto.fee.FeeDto;
import com.java110.dto.fee.ComputeDiscountDto;
import com.java110.dto.fee.FeeDiscountDto;
import com.java110.dto.fee.FeeDiscountSpecDto;
import com.java110.fee.discount.IComputeDiscount;
import com.java110.intf.fee.IFeeInnerServiceSMO;
import com.java110.utils.util.DateUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* @desc add by 吴学文 12:43
*/
@Component(value = "lateFeeByDayRule")
public class LateFeeByDayRule implements IComputeDiscount {
/**
* 89002020980001 102020001 月份
* 89002020980002 102020001 打折率
*/
private static final String SPEC_RATE = "89002020980005"; // 打折率
private static final String SPEC_DAY = "89002020980018"; // 延迟天数
@Autowired
private IFeeInnerServiceSMO feeInnerServiceSMOImpl;
@Autowired
private IComputeFeeSMO computeFeeSMOImpl;
@Override
public ComputeDiscountDto compute(FeeDiscountDto feeDiscountDto) {
List<FeeDiscountSpecDto> feeDiscountSpecDtos = feeDiscountDto.getFeeDiscountSpecs();
if (feeDiscountSpecDtos.isEmpty()) {
return null;
}
double rate = 0.0;
int delayDay = 1;
for (FeeDiscountSpecDto feeDiscountSpecDto : feeDiscountSpecDtos) {
if (SPEC_RATE.equals(feeDiscountSpecDto.getSpecId())) {
rate = Double.parseDouble(feeDiscountSpecDto.getSpecValue());
}
if (SPEC_DAY.equals(feeDiscountSpecDto.getSpecId())) {
delayDay = Integer.parseInt(feeDiscountSpecDto.getSpecValue());
}
}
FeeDto feeDto = new FeeDto();
feeDto.setCommunityId(feeDiscountDto.getCommunityId());
feeDto.setFeeId(feeDiscountDto.getFeeId());
List<FeeDto> feeDtos = feeInnerServiceSMOImpl.queryFees(feeDto);
// Date curTime = DateUtil.getCurrentDate();
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DAY_OF_MONTH, delayDay * -1);
Date curTime = calendar.getTime();
Date endTime = feeDtos.get(0).getEndTime();
if (endTime.getTime() > curTime.getTime()) {
ComputeDiscountDto computeDiscountDto = new ComputeDiscountDto();
computeDiscountDto.setDiscountId(feeDiscountDto.getDiscountId());
computeDiscountDto.setDiscountType(FeeDiscountDto.DISCOUNT_TYPE_V);
computeDiscountDto.setRuleId(feeDiscountDto.getRuleId());
computeDiscountDto.setRuleName(feeDiscountDto.getRuleName());
computeDiscountDto.setDiscountName(feeDiscountDto.getDiscountName());
computeDiscountDto.setDiscountPrice(0.0);
computeDiscountDto.setFeeDiscountSpecs(feeDiscountSpecDtos);
return computeDiscountDto;
}
//查询费用
int day = DateUtil.daysBetween(curTime, endTime);
if (day < 1) {
ComputeDiscountDto computeDiscountDto = new ComputeDiscountDto();
computeDiscountDto.setDiscountId(feeDiscountDto.getDiscountId());
computeDiscountDto.setDiscountType(FeeDiscountDto.DISCOUNT_TYPE_V);
computeDiscountDto.setRuleId(feeDiscountDto.getRuleId());
computeDiscountDto.setRuleName(feeDiscountDto.getRuleName());
computeDiscountDto.setDiscountName(feeDiscountDto.getDiscountName());
computeDiscountDto.setDiscountPrice(0.0);
computeDiscountDto.setFeeDiscountSpecs(feeDiscountSpecDtos);
return computeDiscountDto;
}
Map feePriceAll = computeFeeSMOImpl.getFeePrice(feeDtos.get(0));
BigDecimal priceDec = new BigDecimal(feePriceAll.get("feePrice").toString());
BigDecimal dayDec = new BigDecimal(day);
double discountPrice = 0.0;
//todo 一次性计算滞纳金
if (FeeDto.FEE_FLAG_ONCE.equals(feeDtos.get(0).getFeeFlag())) {
discountPrice = priceDec.multiply(new BigDecimal(rate)).multiply(dayDec).setScale(2, BigDecimal.ROUND_HALF_EVEN).doubleValue();
} else {//todo 计算 滞纳金，
discountPrice = computeLateDiscountPrice(priceDec, feeDtos.get(0), curTime,rate);
}
ComputeDiscountDto computeDiscountDto = new ComputeDiscountDto();
computeDiscountDto.setDiscountId(feeDiscountDto.getDiscountId());
computeDiscountDto.setDiscountType(FeeDiscountDto.DISCOUNT_TYPE_V);
computeDiscountDto.setRuleId(feeDiscountDto.getRuleId());
computeDiscountDto.setRuleName(feeDiscountDto.getRuleName());
computeDiscountDto.setDiscountName(feeDiscountDto.getDiscountName());
computeDiscountDto.setDiscountPrice(discountPrice * -1);
computeDiscountDto.setFeeDiscountSpecs(feeDiscountSpecDtos);
return computeDiscountDto;
}
private double computeLateDiscountPrice(BigDecimal priceDec, FeeDto feeDto,Date curTime,double rate) {
//todo 欠费最大结束时间
Date targetEndDate = computeFeeSMOImpl.getDeadlineTime(feeDto);
//Date targetEndDate = DateUtil.getDateFromStringB("2023-11-30");
//todo 周期开始时间
Date targetStartDate = getTargetStartDate(feeDto);
double allMonth = DateUtil.dayCompare(feeDto.getEndTime(), targetEndDate);
int paymentCycle = Integer.parseInt(feeDto.getPaymentCycle());
double maxCycle = Math.ceil(allMonth / paymentCycle);
int lateDay = 0;
BigDecimal discountPriceDec = new BigDecimal("0.00");
BigDecimal curCycleDiscountPriceDec = null;
for (int cycleIndex = 0; cycleIndex < maxCycle; cycleIndex++) {
//todo 计算 违约天数
lateDay = DateUtil.daysBetween(curTime, targetStartDate);
curCycleDiscountPriceDec = priceDec.multiply(new BigDecimal(paymentCycle)).multiply(new BigDecimal(rate)).multiply(new BigDecimal(lateDay)).setScale(2, BigDecimal.ROUND_HALF_EVEN);
System.out.println(DateUtil.getFormatTimeStringB(targetStartDate)+">"+lateDay+":"+curCycleDiscountPriceDec.doubleValue());
discountPriceDec = discountPriceDec.add(curCycleDiscountPriceDec);
targetStartDate = DateUtil.stepMonth(targetStartDate,paymentCycle);
}
return discountPriceDec.doubleValue();
}
private static Date getTargetStartDate(FeeDto feeDto) {
Calendar startCal = Calendar.getInstance();
startCal.setTime(feeDto.getStartTime());
Date targetStartTime = feeDto.getStartTime();
while (startCal.getTime().before(feeDto.getEndTime())) {
targetStartTime = startCal.getTime();
startCal.add(Calendar.MONTH, Integer.parseInt(feeDto.getPaymentCycle()));
}
return targetStartTime;
}
public static void main(String[] args) throws Exception {
BigDecimal priceDec = new BigDecimal("89.43");
FeeDto feeDto = new FeeDto();
feeDto.setStartTime(DateUtil.getDateFromStringB("2022-01-01"));
feeDto.setEndTime(DateUtil.getDateFromStringB("2022-01-01"));
feeDto.setPaymentCycle("1");
// double discountPrice = computeLateDiscountPrice(priceDec, feeDto, DateUtil.getDateFromStringB("2023-11-07"),0.0005);
// System.out.println("discountPrice = "+discountPrice);
}
}