支付优化

gongzuming

2024-10-11 34a5c00c80235213fca81689636c79fbad47a5fe

 src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java

@@ -1,6 +1,7 @@
package com.mzl.flower.service.impl.coupon;

import cn.hutool.core.util.IdUtil;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -29,6 +30,7 @@
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.time.temporal.TemporalAdjusters;
import java.util.List;
@@ -64,7 +66,6 @@
    private CustomerService customerService;



    @Override
    public List<CouponRecordVO> getList(QueryCouponRecordDTO dto) {
        return couponRecordMapperCustom.getList(dto);
@@ -94,15 +95,29 @@
            // 获取锁，最多等待 10 秒，锁自动释放时间 30 秒
            if (lock.tryLock(10, 30, TimeUnit.SECONDS)) {
                try {
                    // 活动优惠券和积分优惠券需要根据库存来控制- 根据优惠券的发放数量来控制有没有超发
                    if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && (
                            couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) || couponTemplateDO.getCategory().equals(CouponCategoryEnum.POINT.getStatus())
                    )){
                    // 活动优惠券 根据优惠券的发放数量来控制有没有超发
                    if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) &&
                            couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus())
                    ){
                        // 获取当前优惠券已经领取的数量
                        final Integer gainTotal = getExistGainCouponRecordAmountById(couponTemplateDO.getId());
                        if(couponTemplateDO.getCouponAmount().compareTo(gainTotal)<=0){
                            throw new ValidationException("当前优惠券已经领完！");
                        }
                    }
                    if(StringUtils.isNotBlank(couponTemplateDO.getCategory())
                            && couponTemplateDO.getCategory().equals(CouponCategoryEnum.POINT.getStatus()
                    )){
                        // 获取当前优惠券已经领取的数量

                        if(couponTemplateDO.getCouponAmount()<=0){
                            throw new ValidationException("当前优惠券已经领完！");
                        }else{
                            couponTemplateDO.setCouponAmount(couponTemplateDO.getCouponAmount()-1);
                            // 更新库存
                            couponTemplateService.updateById(couponTemplateDO);
                        }

                    }

                    // 根据用户领取设置的getLimit 查看当前用户是否已经超领优惠券
@@ -134,7 +149,7 @@
                    }

                    // 优惠券字段冗余
                    couponRecordDO.setCategory(couponTemplateDO.getGetUserType());
                    couponRecordDO.setCategory(couponTemplateDO.getCategory());
                    couponRecordDO.setCouponCode(couponTemplateDO.getCouponCode());
                    couponRecordDO.setCouponName(couponTemplateDO.getCouponName());
                    couponRecordDO.setCouponDiscountValue(couponTemplateDO.getCouponDiscountValue());
@@ -143,7 +158,8 @@
                    couponRecordDO.setCouponDiscountType(couponTemplateDO.getCouponDiscountType());
                    couponRecordDO.setGetUserType(couponTemplateDO.getGetUserType());
                    couponRecordDO.setPoint(couponTemplateDO.getPoint());
                    couponRecordDO.setMemberId(couponRecordDO.getMemberId());
                    couponRecordDO.setMemberId(couponTemplateDO.getMemberId());
                    couponRecordDO.setImageUrl(couponTemplateDO.getImageUrl());


                    // 根据优惠券模板来计算优惠券的生效开始时间和结束时间
@@ -167,7 +183,7 @@
                            // 领取后有段时间 领取后有效时间
                            // 根据发放后有效期来设置时间
                            if (couponTemplateDO.getUsageTimeNum() == null || couponTemplateDO.getUsageTimeNum() <= 0) {
                                throw new IllegalArgumentException("使用时间数量必须为正整数");
                                throw new ValidationException("使用时间数量必须为正整数");
                            }
                            LocalDateTime currentTime = LocalDateTime.now();
                            couponRecordDO.setEffectiveStart(currentTime);
@@ -187,6 +203,8 @@
                        }
                    }

                    // 手动设置ID
                    couponRecordDO.setId(IdUtil.simpleUUID());
                    return baseMapper.insert(couponRecordDO)>0;

                } finally {
@@ -211,7 +229,7 @@
        // 优惠券字段冗余
        final CouponTemplateDO couponTemplateDO = couponTemplateService.getById(dto.getCouponId());
        if(null!=couponTemplateDO){
            couponRecordDO.setCategory(couponTemplateDO.getGetUserType());
            couponRecordDO.setCategory(couponTemplateDO.getCategory());
            couponRecordDO.setCouponCode(couponTemplateDO.getCouponCode());
            couponRecordDO.setCouponName(couponTemplateDO.getCouponName());
            couponRecordDO.setCouponDiscountValue(couponTemplateDO.getCouponDiscountValue());
@@ -273,6 +291,7 @@
                    couponRecordDO.setEffectiveStart(firstDayStart);
                    couponRecordDO.setEffectiveEnd(lastDayEnd);
                    couponRecordDO.setMemberId(couponTemplateDO.getMemberId());
                    couponRecordDO.setImageUrl(couponTemplateDO.getImageUrl());
                    // 创建信息
                    couponRecordDO.create();
                    if(!checkCurMonVipCouponExists(couponRecordDO.getCouponId(),couponRecordDO.getCustomerId(),firstDayStart,lastDayEnd)){
@@ -392,6 +411,17 @@
    }

    @Override
    public Integer getUserGainCouponRecordAmountByUserId(String couponId, String userId) {
        QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
        queryWrapper.lambda().eq(CouponRecordDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
                .eq(StringUtils.isNotBlank(couponId), CouponRecordDO::getCouponId,couponId)
                .eq(null!=userId,CouponRecordDO::getUserId,userId)
        ;

        return baseMapper.selectCount(queryWrapper);
    }

    @Override
    public List<CouponRecordVO> getMineCouponRecordList(QueryMineCouponRecordDTO dto) {
        checkCouponExpired(dto);
        return couponRecordMapperCustom.getMineCouponRecordList(dto);
@@ -431,24 +461,53 @@

    @Transactional
    @Override
    public boolean useCoupon(String couponId, String orderId) {
    public boolean useCoupon(String couponId, String orderId, BigDecimal orderMount) {
        // 优惠券为空
        if(StringUtils.isBlank(couponId)){
            throw new IllegalArgumentException("无效的优惠券");
        }
        // 验证优惠券存在且有效
        final CouponRecordDO couponRecordDO = baseMapper.selectById(couponId);
        if(null==couponRecordDO || StringUtils.isBlank(couponRecordDO.getOrderId()) ){
            throw new IllegalArgumentException("无效的优惠券");
        }
        if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.USED.getType())){
            throw new IllegalArgumentException("优惠券已经被使用");
        }
        if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.EXPIRED.getType()) || LocalDateTime.now().isAfter(couponRecordDO.getEffectiveEnd())){
            throw new IllegalArgumentException("优惠券已过期");
            throw new ValidationException("无效的优惠券");
        }
        if(StringUtils.isBlank(orderId)){
            throw new IllegalArgumentException("订单id不能为空");
            throw new ValidationException("订单id不能为空");
        }
        if(orderMount.compareTo(BigDecimal.ZERO)<=0){
            throw new ValidationException("订单金额不能小于0");
        }

        // 验证优惠券存在且有效
        final CouponRecordDO couponRecordDO = baseMapper.selectById(couponId);
        if(null==couponRecordDO || StringUtils.isNotBlank(couponRecordDO.getOrderId()) ){
            throw new ValidationException("无效的优惠券");
        }

        if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.USED.getType())){
            throw new ValidationException("优惠券已经被使用");
        }
        if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.EXPIRED.getType()) || LocalDateTime.now().isAfter(couponRecordDO.getEffectiveEnd())){
            throw new ValidationException("优惠券已过期");
        }

        // 根据类型判断是无门槛还是满减，如果是无门槛
        if(couponRecordDO.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType())){
            // 无门槛，查看金额是否大于满减值
            if(orderMount.compareTo(couponRecordDO.getCouponDiscountValue())<0){
                throw new ValidationException(String.format("订单金额(%s)小于无门槛的金额(%s)", orderMount, couponRecordDO.getCouponDiscountValue()));
            }
        }

        if(couponRecordDO.getCouponDiscountType().equals(CouponTypeEnum.DISCOUNT.getType())){
            //满减，查看金额是否满足最小订单额
            if(orderMount.compareTo(couponRecordDO.getMinOrderAmount())<0){
                throw new ValidationException(String.format("订单金额(%s)小于最低折扣订单金额(%s)", orderMount, couponRecordDO.getMinOrderAmount()));
            }

            if(orderMount.compareTo(couponRecordDO.getCouponDiscountValue())<0){
                throw new ValidationException(String.format("订单金额(%s)小于折扣的金额(%s)", orderMount, couponRecordDO.getCouponDiscountValue()));
            }
        }

        // 查看当前的优惠券是否是当前人员的
        if(!SecurityUtils.getUserId().equals(couponRecordDO.getUserId())){
            throw new ValidationException("优惠券不属于当前人员");
        }

        // 优惠券使用操作
@@ -457,17 +516,23 @@
        couponRecordDO.setOrderId(orderId);

        return baseMapper.updateById(couponRecordDO)>0;

    }


    @Transactional
    @Override
    public boolean cancelCouponUsage(String couponId, String orderId) {
    public boolean cancelCouponUsage(String orderId) {
        // 查询订单使用的优惠券
        final CouponRecordDO couponRecordDO = getCouponByOrderId(orderId);
        if(null==couponRecordDO){
            return false;
        }
        log.info("优惠券退回之前："+ JSON.toJSONString(couponRecordDO));
        couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
        couponRecordDO.setUsedTime(null);
        couponRecordDO.setOrderId(null);

        log.info("优惠券退回之后："+ JSON.toJSONString(couponRecordDO));
        return baseMapper.updateById(couponRecordDO)>0;
    }

@@ -488,4 +553,20 @@
        }
        return null;
    }

    @Override
    public boolean checkUserCouponExists(String couponId, Long customId) {
        QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
        queryWrapper.lambda().eq(CouponRecordDO::getDeleted,TrueOrFalseEnum.FALSE.isFlag())
                .eq(CouponRecordDO::getCouponId,couponId)
                .eq(CouponRecordDO::getCustomerId,customId)
        ;
        return baseMapper.selectCount(queryWrapper)>0;
    }

    @Override
    public boolean expireCouponRecordAll() {

        return couponRecordMapperCustom.expireCouponRecordAll();
    }
}