1.优惠券相关代码提交

陶杰

2024-09-03 3f5d62a7b4d20f6c63021361e7a48cab02e6cca3

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

@@ -6,25 +6,24 @@
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.mzl.flower.config.exception.ValidationException;
import com.mzl.flower.config.security.SecurityUtils;
import com.mzl.flower.dto.request.coupon.CreateCouponRecordDTO;
import com.mzl.flower.dto.request.coupon.QueryCouponRecordDTO;
import com.mzl.flower.dto.request.coupon.QueryCouponStatisticsBO;
import com.mzl.flower.dto.request.coupon.QueryExistCouponDTO;
import com.mzl.flower.dto.request.coupon.*;
import com.mzl.flower.dto.response.coupon.CouponRecordVO;
import com.mzl.flower.entity.coupon.CouponRecordDO;
import com.mzl.flower.entity.coupon.CouponTemplateDO;
import com.mzl.flower.entity.customer.Customer;
import com.mzl.flower.entity.system.User;
import com.mzl.flower.enums.*;
import com.mzl.flower.mapper.coupon.CouponRecordMapper;
import com.mzl.flower.mapper.coupon.CouponRecordMapperCustom;
import com.mzl.flower.mapper.customer.CustomerMapper;
import com.mzl.flower.service.coupon.CouponRecordService;
import com.mzl.flower.service.coupon.CouponTemplateService2;
import com.mzl.flower.service.customer.CustomerService;
import com.mzl.flower.service.system.UserService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@@ -33,6 +32,8 @@
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;

/**
@@ -59,119 +60,146 @@
    @Autowired
    private CustomerMapper customerMapper;

    @Autowired
    private CustomerService customerService;



    @Override
    public List<CouponRecordVO> getList(QueryCouponRecordDTO dto) {
        return couponRecordMapperCustom.getList(dto);
    }

    @Autowired
    RedissonClient redissonClient;

    private static final String COUPON_KEY="com:mzl:flower:service:impl:coupon:%s";

    @Transactional
    @Override
    public boolean createCouponRecord(CreateCouponRecordDTO dto) {

        // TODO 需要控制超领

        final Customer customer = customerMapper.selectById(dto.getCustomerId());
        if(null==customer){
            throw new ValidationException("商户信息不存在");
        }

        final CouponTemplateDO couponTemplateDO = couponTemplateService.getById(dto.getCouponId());
        if(couponTemplateDO==null){
            throw new ValidationException("优惠券不存在");
        }

        // 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())
                )){
            // 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！");
            }
        final Customer customer = customerMapper.selectById(dto.getCustomerId());
        if(null==customer){
            throw new ValidationException("商户信息不存在");
        }

        // 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
        if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) ){
            // 查看当前优惠券的领取时间在不在设置的领取时间范围类
            LocalDateTime now = LocalDateTime.now();
            // 判断当前时间是否在领取时间范围内
            if (!(now.isAfter(couponTemplateDO.getGetStartDate()) && now.isBefore(couponTemplateDO.getGetEndDate()))) {
                throw new ValidationException("当前时间不在优惠券的领取时间范围内，无法操作！");
            }
        RLock lock = redissonClient.getLock(String.format(COUPON_KEY, couponTemplateDO.getId()));
        try {
            // 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())
                    )){
                        // 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！");
                        }
                    }

            // 获取当前优惠券已经领取的数量
            final Integer customGainTotal = getUserGainCouponRecordAmountById(couponTemplateDO.getId(),customer.getId());
            if(couponTemplateDO.getGetLimit().compareTo(customGainTotal)<=0){
                throw new ValidationException("超出个人领取限制，每人限领"+couponTemplateDO.getGetLimit()+"张！");
                    // 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
                    if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) ){
                        // 查看当前优惠券的领取时间在不在设置的领取时间范围类
                        LocalDateTime now = LocalDateTime.now();
                        // 判断当前时间是否在领取时间范围内
                        if (!(now.isAfter(couponTemplateDO.getGetStartDate()) && now.isBefore(couponTemplateDO.getGetEndDate()))) {
                            throw new ValidationException("当前时间不在优惠券的领取时间范围内，无法操作！");
                        }

                        // 获取当前优惠券已经领取的数量
                        final Integer customGainTotal = getUserGainCouponRecordAmountById(couponTemplateDO.getId(),customer.getId());
                        if(couponTemplateDO.getGetLimit().compareTo(customGainTotal)<=0){
                            throw new ValidationException("超出个人领取限制，每人限领"+couponTemplateDO.getGetLimit()+"张！");
                        }
                    }


                    CouponRecordDO couponRecordDO=new CouponRecordDO();
                    BeanUtils.copyProperties(dto,couponRecordDO);
                    couponRecordDO.create(SecurityUtils.getUserId());
                    // 设置为待使用状态
                    couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());

                    // 根据商户设置用户id
                    if(StringUtils.isBlank(dto.getUserId()) && StringUtils.isNotBlank(customer.getUserId())){
                        couponRecordDO.setUserId(customer.getUserId());
                    }

                    // 优惠券字段冗余
                    couponRecordDO.setCategory(couponTemplateDO.getGetUserType());
                    couponRecordDO.setCouponCode(couponTemplateDO.getCouponCode());
                    couponRecordDO.setCouponName(couponTemplateDO.getCouponName());
                    couponRecordDO.setCouponDiscountValue(couponTemplateDO.getCouponDiscountValue());
                    couponRecordDO.setMinOrderAmount(couponTemplateDO.getMinOrderAmount());
                    couponRecordDO.setGetType(couponTemplateDO.getGetType());
                    couponRecordDO.setCouponDiscountType(couponTemplateDO.getCouponDiscountType());
                    couponRecordDO.setGetUserType(couponTemplateDO.getGetUserType());
                    couponRecordDO.setPoint(couponTemplateDO.getPoint());
                    couponRecordDO.setMemberId(couponRecordDO.getMemberId());


                    // 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
                    if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && couponTemplateDO.getCategory().equals(CouponCategoryEnum.MEMBER.getStatus())){
                        // 如果是会员优惠券的话，则设置为优惠券的使用条件为优惠券的时间
                        couponRecordDO.setEffectiveStart(couponTemplateDO.getUsageStartDate());
                        couponRecordDO.setEffectiveEnd(couponTemplateDO.getUsageEndDate());
                    }else{
                        // 非会员的根据领取时间类型来计算优惠券的时间
                        if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.GET.getType())){
                            // 与领取时间一致
                            couponRecordDO.setEffectiveStart(couponTemplateDO.getGetStartDate());
                            couponRecordDO.setEffectiveEnd(couponTemplateDO.getGetEndDate());
                        }
                        if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.FIXED.getType())){
                            // 固定时间
                            couponRecordDO.setEffectiveStart(couponTemplateDO.getUsageStartDate());
                            couponRecordDO.setEffectiveEnd(couponTemplateDO.getUsageEndDate());
                        }
                        if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.GET_AFTER_TIME.getType())){
                            // 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");
                            }
                            LocalDateTime currentTime = LocalDateTime.now();
                            couponRecordDO.setEffectiveStart(currentTime);
                            if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.DAY.getType())) {
                                // 天
                                couponRecordDO.setEffectiveEnd(currentTime.plusDays(couponTemplateDO.getUsageTimeNum()));
                            }
                            if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.HOUR.getType())) {
                                // 小时
                                couponRecordDO.setEffectiveEnd(currentTime.plusHours(couponTemplateDO.getUsageTimeNum()));
                            }
                            if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.MINUTE.getType())) {
                                // 分钟
                                couponRecordDO.setEffectiveEnd(currentTime.plusMinutes(couponTemplateDO.getUsageTimeNum()));
                            }

                        }
                    }

                    return baseMapper.insert(couponRecordDO)>0;

                } finally {
                    lock.unlock();
                }
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            // 处理异常
        }

        return false;

        CouponRecordDO couponRecordDO=new CouponRecordDO();
        BeanUtils.copyProperties(dto,couponRecordDO);
        couponRecordDO.create(SecurityUtils.getUserId());
        // 设置为待使用状态
        couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());

        // 根据商户设置用户id
        if(StringUtils.isBlank(dto.getUserId()) && StringUtils.isNotBlank(customer.getUserId())){
            couponRecordDO.setUserId(customer.getUserId());
        }

        // 优惠券字段冗余
        couponRecordDO.setCategory(couponTemplateDO.getGetUserType());
        couponRecordDO.setCouponCode(couponTemplateDO.getCouponCode());
        couponRecordDO.setCouponName(couponTemplateDO.getCouponName());
        couponRecordDO.setCouponDiscountValue(couponTemplateDO.getCouponDiscountValue());
        couponRecordDO.setMinOrderAmount(couponTemplateDO.getMinOrderAmount());
        couponRecordDO.setGetType(couponTemplateDO.getGetType());
        couponRecordDO.setCouponDiscountType(couponTemplateDO.getCouponDiscountType());
        couponRecordDO.setGetUserType(couponTemplateDO.getGetUserType());
        couponRecordDO.setPoint(couponTemplateDO.getPoint());


        // 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
        if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && couponTemplateDO.getCategory().equals(CouponCategoryEnum.MEMBER.getStatus())){
            // 如果是会员优惠券的话，则设置为优惠券的使用条件为优惠券的时间
            couponRecordDO.setEffectiveStart(couponTemplateDO.getUsageStartDate());
            couponRecordDO.setEffectiveEnd(couponTemplateDO.getUsageEndDate());
        }else{
            // 非会员的根据领取时间类型来计算优惠券的时间
            if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.GET.getType())){
                // 与领取时间一致
                couponRecordDO.setEffectiveStart(couponTemplateDO.getGetStartDate());
                couponRecordDO.setEffectiveEnd(couponTemplateDO.getGetEndDate());
            }
            if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.FIXED.getType())){
                // 固定时间
                couponRecordDO.setEffectiveStart(couponTemplateDO.getUsageStartDate());
                couponRecordDO.setEffectiveEnd(couponTemplateDO.getUsageEndDate());
            }
            if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.GET_AFTER_TIME.getType())){
                // 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");
                }
                LocalDateTime currentTime = LocalDateTime.now();
                couponRecordDO.setEffectiveStart(currentTime);
                if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.DAY.getType())) {
                    // 天
                    couponRecordDO.setEffectiveEnd(currentTime.plusDays(couponTemplateDO.getUsageTimeNum()));
                }
                if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.HOUR.getType())) {
                    // 小时
                    couponRecordDO.setEffectiveEnd(currentTime.plusHours(couponTemplateDO.getUsageTimeNum()));
                }
                if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.MINUTE.getType())) {
                    // 分钟
                    couponRecordDO.setEffectiveEnd(currentTime.plusMinutes(couponTemplateDO.getUsageTimeNum()));
                }

            }
        }

        return baseMapper.insert(couponRecordDO)>0;
    }

    @Override
@@ -221,6 +249,7 @@
    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);
@@ -230,21 +259,30 @@

            // 遍历所有相同等级用户信息，并根据优惠券设置的规则构造优惠券
            final List<CouponTemplateDO> updateCouponTemplateList = vipTemplateList.stream().map(couponTemplateDO -> {
                final List<User> vipGradeUserList = userService.getVipGradeUserList(couponTemplateDO.getVipGrade());
                final List<CouponRecordDO> gradeCouponRecordList = vipGradeUserList.stream().map(user -> {
                // 获取当前等级下的所有用户
                final List<Customer> customerList = customerService.getCustomerListByLevelId(couponTemplateDO.getMemberId());

                final List<CouponRecordDO> gradeCouponRecordList = customerList.stream().map(customer -> {
                    CouponRecordDO couponRecordDO = new CouponRecordDO();
                    BeanUtils.copyProperties(couponTemplateDO, couponRecordDO);
                    couponRecordDO.setId(IdUtil.simpleUUID());
                    couponRecordDO.setCouponId(couponTemplateDO.getId());
                    couponRecordDO.setUserId(user.getId());
                    couponRecordDO.setUserId(customer.getUserId());
                    couponRecordDO.setCustomerId(customer.getId());
                    couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
                    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);
@@ -349,4 +387,103 @@

        return baseMapper.selectCount(queryWrapper);
    }

    @Override
    public List<CouponRecordVO> getMineCouponRecordList(QueryMineCouponRecordDTO dto) {
        checkCouponExpired(dto);
        return couponRecordMapperCustom.getMineCouponRecordList(dto);
    }

    @Override
    public void checkCouponExpired(QueryMineCouponRecordDTO dto) {
        if(StringUtils.isBlank(dto.getUserId())){
            dto.setUserId(SecurityUtils.getUserId());
        }
        // 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) {
        // 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");
        }
        if(StringUtils.isBlank(orderId)){
            throw new IllegalArgumentException("订单id不能为空");
        }

        // 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 couponId, String orderId) {
        // 查询订单使用的优惠券
        final CouponRecordDO couponRecordDO = getCouponByOrderId(orderId);
        // TODO
        couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
        couponRecordDO.setUsedTime(null);
        couponRecordDO.setOrderId(null);

        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;
    }
}