优化递增问题

wuxw

2024-03-11 f384d50e708d1849ed66eeb3468bfcb71d3d25c3

 springboot/src/test/java/com/java110/AppTest.java

@@ -5,7 +5,9 @@
import com.java110.core.factory.PlutusFactory;
import com.java110.dto.fee.FeeDto;
import com.java110.dto.owner.OwnerCarDto;
import com.java110.utils.constant.FeeConfigConstant;
import com.java110.utils.util.DateUtil;
import com.java110.utils.util.MoneyUtil;
import com.java110.utils.util.StringUtil;
import org.bouncycastle.util.encoders.Base64;
import org.junit.Test;
@@ -26,21 +28,103 @@
     */
    @Test
    public void should() {
//解密
//        FeeDto feeDto = new FeeDto();
//        feeDto.setStartTime(DateUtil.getDateFromStringB("2023-01-01"));
//        feeDto.setEndTime(DateUtil.getDateFromStringB("2023-01-12"));
//        feeDto.setPrepaymentPeriod("20");
//        feeDto.setState(FeeDto.STATE_DOING);
//        feeDto.setConfigEndTime(DateUtil.getDateFromStringB("2050-01-01"));
//        feeDto.setFeeFlag(FeeDto.FEE_FLAG_CYCLE);
//        feeDto.setPaymentCd("1200");
//        feeDto.setPaymentCycle("12");
//        getTargetEndDateAndOweMonth(feeDto,null);
// 0.3667 0.3226
//        double month = dayCompare(DateUtil.getDateFromStringB("2023-01-1"), DateUtil.getDateFromStringB("2023-09-1"));
//        System.out.println("month=" + month);
        System.out.println(StringUtil.maskName("张三三sss"));
//todo 递增时间 不是 费用建账时间的倍数时，修正一下
        Date rateStartTime = DateUtil.getDateFromStringB("2023-03-20");
        FeeDto feeDto =  new FeeDto();
        feeDto.setStartTime(DateUtil.getDateFromStringB("2023-01-01"));
        feeDto.setEndTime(DateUtil.getDateFromStringB("2024-03-01"));
        feeDto.setDeadlineTime(DateUtil.getDateFromStringB("2024-04-01"));
        feeDto.setFeePrice(1000);

        int rateCycle = 12;

        double rate = 0.03;

        rateStartTime = correctByFeeStartTime(rateStartTime,feeDto.getStartTime());

        BigDecimal addTotalAmount = new BigDecimal("0");
        double curOweMonth = 0;
        BigDecimal curFeePrice = new BigDecimal(feeDto.getFeePrice());

        //todo 递增本轮欠费开始时间
        Date curOweStartTime = null;
        // todo 如果计费起始时间 小于 递增开始时间
        if (feeDto.getEndTime().getTime() < rateStartTime.getTime()) {
            //todo 递增前的欠费
            curOweMonth = DateUtil.dayCompare(feeDto.getEndTime(), rateStartTime);
            addTotalAmount = curFeePrice.multiply(new BigDecimal(curOweMonth)).setScale(FeeConfigConstant.FEE_SCALE, BigDecimal.ROUND_HALF_UP);
            // todo 递增
            curOweStartTime = rateStartTime;
        } else {
            // todo 递增
            curOweStartTime = feeDto.getEndTime();
        }
        double rateMonth = DateUtil.dayCompare(rateStartTime, feeDto.getDeadlineTime());

        // todo 最大周期 递增轮数
        double maxCycle = Math.ceil(rateMonth / rateCycle);

        // todo 增长前的欠费
        BigDecimal rateDec = new BigDecimal(rate + "");
        BigDecimal oweAmountDec = null;
        //todo 递增轮数 循环 curFeePrice 这个是 原始租金
        for (int cycleIndex = 0; cycleIndex < maxCycle; cycleIndex++) {
            //todo 递增月单价
            curFeePrice = new BigDecimal("1").add(rateDec).multiply(curFeePrice).setScale(FeeConfigConstant.FEE_SCALE, BigDecimal.ROUND_HALF_UP);

            //todo 计算 curCycleRateEneTime 本轮递增结束时间
            Date curCycleRateEneTime = DateUtil.stepMonth(rateStartTime, (cycleIndex + 1) * rateCycle);

            //todo 说明这个已经缴费了
            if (curOweStartTime.getTime() > curCycleRateEneTime.getTime()) {
                continue;
            }
            //todo 本轮 欠费开始时间大于 deadlineTime 跳过
            if(curOweStartTime.getTime() >= feeDto.getDeadlineTime().getTime()){
                continue;
            }

            //todo 本轮递增时间未到 费用deadlineTime
            if (curCycleRateEneTime.getTime() < feeDto.getDeadlineTime().getTime()) {
                curOweMonth = DateUtil.dayCompare(curOweStartTime, curCycleRateEneTime);
                curOweStartTime = curCycleRateEneTime;
            } else {
                curOweMonth = DateUtil.dayCompare(curOweStartTime, feeDto.getDeadlineTime());
                curOweStartTime = feeDto.getDeadlineTime();
            }

            oweAmountDec = curFeePrice.multiply(new BigDecimal(curOweMonth)).setScale(FeeConfigConstant.FEE_SCALE, BigDecimal.ROUND_HALF_UP);

            addTotalAmount = addTotalAmount.add(oweAmountDec);
        }

        Double amountOwed = MoneyUtil.computePriceScale(addTotalAmount.doubleValue(), feeDto.getScale(), 4);
        System.out.println(amountOwed);
    }

    /**
     * 修正递增 开始时间
     * 如果设置的 递增开始时间和建账时间不是同一天 强制修正下
     * @param rateStartTime
     * @param startTime
     * @return
     */
    private Date correctByFeeStartTime(Date rateStartTime, Date startTime) {
        Calendar rateCalendar = Calendar.getInstance();
        rateCalendar.setTime(rateStartTime);
        int rateDay = rateCalendar.get(Calendar.DAY_OF_MONTH);
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(startTime);
        int day = calendar.get(Calendar.DAY_OF_MONTH);
        if(rateDay == day){
            return rateStartTime;
        }

        rateCalendar = Calendar.getInstance();
        rateCalendar.setTime(rateStartTime);
        rateCalendar.add(Calendar.MONTH,1);
        rateCalendar.set(Calendar.DAY_OF_MONTH,day);
        return rateCalendar.getTime();
    }

    public Map getTargetEndDateAndOweMonth(FeeDto feeDto, OwnerCarDto ownerCarDto) {