1.活动优惠券-管理端-类型是首页领取的活动优惠券，发布的时候将已经发布的设置为下架，只能留有一个已发布的优惠券 3.活动优惠券-小程序-新增首页弹窗...

陶杰

2024-09-12 ac70afa4e394626dc03d82def3df1db886bb7c2e

 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;
@@ -29,9 +30,11 @@
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;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@@ -61,7 +64,6 @@

    @Autowired
    private CustomerService customerService;



    @Override
@@ -133,7 +135,7 @@
                    }

                    // 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());
@@ -166,7 +168,7 @@
                            // 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);
@@ -186,6 +188,8 @@
                        }
                    }

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

                } finally {
@@ -210,7 +214,7 @@
        // 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());
@@ -248,6 +252,7 @@
    public boolean grantVipCouponRecordList() {

        try{

            LocalDateTime now = LocalDateTime.now();
            LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
            LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
@@ -271,11 +276,16 @@
                    couponRecordDO.setEffectiveStart(firstDayStart);
                    couponRecordDO.setEffectiveEnd(lastDayEnd);
                    couponRecordDO.setMemberId(couponTemplateDO.getMemberId());

                    // 创建信息
                    couponRecordDO.create();
                    return couponRecordDO;
                }).collect(Collectors.toList());
                    if(!checkCurMonVipCouponExists(couponRecordDO.getCouponId(),couponRecordDO.getCustomerId(),firstDayStart,lastDayEnd)){
                        return couponRecordDO;
                    }else{
                        return null;
                    }

                }).filter(Objects::nonNull)
                        .collect(Collectors.toList());

                // 批量保存等级下的优惠券信息
                saveBatch(gradeCouponRecordList);
@@ -284,6 +294,9 @@
                couponTemplateDO.setUsageEndDate(lastDayEnd);
                couponTemplateDO.setGetStartDate(firstDayStart);
                couponTemplateDO.setGetEndDate(lastDayEnd);

                // 设置总数为当前会员的人数
                couponTemplateDO.setCouponAmount(CollectionUtils.isNotEmpty(customerList)?customerList.size():0);

                // 设置默认类型固定
                couponTemplateDO.setUsageType(CouponUsageTypeEnum.FIXED.getType());
@@ -304,7 +317,7 @@
    }

    @Override
    public boolean expiredCouponRecordByListCurMonth() {
    public boolean expiredCouponRecordLastMon() {

        try{
            LocalDateTime now = LocalDateTime.now();
@@ -382,6 +395,17 @@
    }

    @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);
@@ -395,4 +419,132 @@
        // 将未使用的优惠券直接过期
        couponRecordMapperCustom.checkCouponExpired(dto);
    }

    @Override
    public boolean checkCurMonVipCouponExists(String couponId, Long customId, LocalDateTime startDateTime, LocalDateTime endDateTime) {

        LocalDateTime now = LocalDateTime.now();
        LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
        LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
        if(null==startDateTime){
            startDateTime=firstDayStart;
        }
        if(null==endDateTime){
            endDateTime=lastDayEnd;
        }

        QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
        queryWrapper.lambda().eq(CouponRecordDO::getDeleted,TrueOrFalseEnum.FALSE.isFlag())
                .eq(CouponRecordDO::getCouponId,couponId)
                .eq(CouponRecordDO::getCustomerId,customId)
                .eq(CouponRecordDO::getEffectiveStart,startDateTime)
                .eq(CouponRecordDO::getEffectiveEnd,endDateTime);
        return  baseMapper.selectCount(queryWrapper)>0;

    }

    @Transactional
    @Override
    public boolean useCoupon(String couponId, String orderId, BigDecimal orderMount) {
        // 优惠券为空
        if(StringUtils.isBlank(couponId)){
            throw new ValidationException("无效的优惠券");
        }
        if(StringUtils.isBlank(orderId)){
            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
        couponRecordDO.setStatus(CouponUsedStatusEnum.USED.getType());
        couponRecordDO.setUsedTime(LocalDateTime.now());
        couponRecordDO.setOrderId(orderId);

        return baseMapper.updateById(couponRecordDO)>0;

    }


    @Transactional
    @Override
    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;
    }

    @Override
    public List<CouponRecordDO> getCouponListByOrderId(String orderId) {
        QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
        queryWrapper.lambda().eq(CouponRecordDO::getDeleted,TrueOrFalseEnum.FALSE.isFlag())
                .eq(CouponRecordDO::getOrderId,orderId);

        return baseMapper.selectList(queryWrapper);
    }

    @Override
    public CouponRecordDO getCouponByOrderId(String orderId) {
        final List<CouponRecordDO> couponRecordDOList = getCouponListByOrderId(orderId);
        if(CollectionUtils.isNotEmpty(couponRecordDOList)){
            return couponRecordDOList.get(0);
        }
        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;
    }
}