package com.mzl.flower.service.impl.coupon;
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import cn.hutool.core.util.IdUtil;
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import com.alibaba.fastjson.JSON;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.mzl.flower.config.exception.ValidationException;
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import com.mzl.flower.config.security.SecurityUtils;
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import com.mzl.flower.dto.request.coupon.*;
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import com.mzl.flower.dto.response.coupon.CouponRecordVO;
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import com.mzl.flower.entity.coupon.CouponRecordDO;
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import com.mzl.flower.entity.coupon.CouponTemplateDO;
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import com.mzl.flower.entity.customer.Customer;
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import com.mzl.flower.enums.*;
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import com.mzl.flower.mapper.coupon.CouponRecordMapper;
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import com.mzl.flower.mapper.coupon.CouponRecordMapperCustom;
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import com.mzl.flower.mapper.customer.CustomerMapper;
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import com.mzl.flower.service.coupon.CouponRecordService;
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import com.mzl.flower.service.coupon.CouponTemplateService2;
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import com.mzl.flower.service.customer.CustomerService;
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import com.mzl.flower.service.system.UserService;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.redisson.api.RLock;
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import org.redisson.api.RedissonClient;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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import java.time.LocalDateTime;
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import java.time.temporal.TemporalAdjusters;
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import java.util.List;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 服务实现类
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* </p>
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*
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* @author @TaoJie
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* @since 2024-08-27
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*/
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@Slf4j
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@Service
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public class CouponRecordServiceImpl extends ServiceImpl<CouponRecordMapper, CouponRecordDO> implements CouponRecordService {
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@Autowired
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private CouponRecordMapperCustom couponRecordMapperCustom;
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@Autowired
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private CouponTemplateService2 couponTemplateService;
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@Autowired
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private UserService userService;
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@Autowired
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private CustomerMapper customerMapper;
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@Autowired
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private CustomerService customerService;
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@Override
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public List<CouponRecordVO> getList(QueryCouponRecordDTO dto) {
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return couponRecordMapperCustom.getList(dto);
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}
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@Autowired
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RedissonClient redissonClient;
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private static final String COUPON_KEY="com:mzl:flower:service:impl:coupon:%s";
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@Transactional
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@Override
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public boolean createCouponRecord(CreateCouponRecordDTO dto) {
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final CouponTemplateDO couponTemplateDO = couponTemplateService.getById(dto.getCouponId());
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if(couponTemplateDO==null){
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throw new ValidationException("优惠券不存在");
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}
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final Customer customer = customerMapper.selectById(dto.getCustomerId());
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if(null==customer){
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throw new ValidationException("商户信息不存在");
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}
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RLock lock = redissonClient.getLock(String.format(COUPON_KEY, couponTemplateDO.getId()));
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try {
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// 获取锁，最多等待 10 秒，锁自动释放时间 30 秒
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if (lock.tryLock(10, 30, TimeUnit.SECONDS)) {
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try {
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// 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
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if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && (
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couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) || couponTemplateDO.getCategory().equals(CouponCategoryEnum.POINT.getStatus())
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)){
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// 获取当前优惠券已经领取的数量
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final Integer gainTotal = getExistGainCouponRecordAmountById(couponTemplateDO.getId());
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if(couponTemplateDO.getCouponAmount().compareTo(gainTotal)<=0){
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throw new ValidationException("当前优惠券已经领完！");
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}
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}
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// 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
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if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) ){
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// 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
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LocalDateTime now = LocalDateTime.now();
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// 判断当前时间是否在领取时间范围内
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if (!(now.isAfter(couponTemplateDO.getGetStartDate()) && now.isBefore(couponTemplateDO.getGetEndDate()))) {
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throw new ValidationException("当前时间不在优惠券的领取时间范围内，无法操作！");
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}
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// 获取当前优惠券已经领取的数量
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final Integer customGainTotal = getUserGainCouponRecordAmountById(couponTemplateDO.getId(),customer.getId());
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if(couponTemplateDO.getGetLimit().compareTo(customGainTotal)<=0){
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throw new ValidationException("超出个人领取限制，每人限领"+couponTemplateDO.getGetLimit()+"张！");
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}
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}
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CouponRecordDO couponRecordDO=new CouponRecordDO();
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BeanUtils.copyProperties(dto,couponRecordDO);
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couponRecordDO.create(SecurityUtils.getUserId());
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// 设置为待使用状态
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couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
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// 根据商户设置用户id
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if(StringUtils.isBlank(dto.getUserId()) && StringUtils.isNotBlank(customer.getUserId())){
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couponRecordDO.setUserId(customer.getUserId());
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}
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// 优惠券字段冗余
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couponRecordDO.setCategory(couponTemplateDO.getCategory());
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couponRecordDO.setCouponCode(couponTemplateDO.getCouponCode());
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couponRecordDO.setCouponName(couponTemplateDO.getCouponName());
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couponRecordDO.setCouponDiscountValue(couponTemplateDO.getCouponDiscountValue());
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couponRecordDO.setMinOrderAmount(couponTemplateDO.getMinOrderAmount());
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couponRecordDO.setGetType(couponTemplateDO.getGetType());
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couponRecordDO.setCouponDiscountType(couponTemplateDO.getCouponDiscountType());
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couponRecordDO.setGetUserType(couponTemplateDO.getGetUserType());
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couponRecordDO.setPoint(couponTemplateDO.getPoint());
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couponRecordDO.setMemberId(couponTemplateDO.getMemberId());
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couponRecordDO.setImageUrl(couponTemplateDO.getImageUrl());
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// 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
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if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && couponTemplateDO.getCategory().equals(CouponCategoryEnum.MEMBER.getStatus())){
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// 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
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couponRecordDO.setEffectiveStart(couponTemplateDO.getUsageStartDate());
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couponRecordDO.setEffectiveEnd(couponTemplateDO.getUsageEndDate());
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}else{
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// 非会员的根据领取时间类型来计算优惠券的时间
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if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.GET.getType())){
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// 与领取时间一致
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couponRecordDO.setEffectiveStart(couponTemplateDO.getGetStartDate());
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couponRecordDO.setEffectiveEnd(couponTemplateDO.getGetEndDate());
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}
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if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.FIXED.getType())){
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// 固定时间
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couponRecordDO.setEffectiveStart(couponTemplateDO.getUsageStartDate());
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couponRecordDO.setEffectiveEnd(couponTemplateDO.getUsageEndDate());
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}
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if(StringUtils.isNotBlank(couponTemplateDO.getUsageType()) && couponTemplateDO.getUsageType().equals(CouponUsageTypeEnum.GET_AFTER_TIME.getType())){
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// 领取后有段时间 领取后有效时间
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// 根据发放后有效期来设置时间
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if (couponTemplateDO.getUsageTimeNum() == null || couponTemplateDO.getUsageTimeNum() <= 0) {
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throw new ValidationException("使用时间数量必须为正整数");
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}
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LocalDateTime currentTime = LocalDateTime.now();
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couponRecordDO.setEffectiveStart(currentTime);
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if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.DAY.getType())) {
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// 天
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couponRecordDO.setEffectiveEnd(currentTime.plusDays(couponTemplateDO.getUsageTimeNum()));
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}
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if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.HOUR.getType())) {
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// 小时
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couponRecordDO.setEffectiveEnd(currentTime.plusHours(couponTemplateDO.getUsageTimeNum()));
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}
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if (couponTemplateDO.getUsageTimeType().equals(CouponUsageTimeTypeEnum.MINUTE.getType())) {
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// 分钟
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couponRecordDO.setEffectiveEnd(currentTime.plusMinutes(couponTemplateDO.getUsageTimeNum()));
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}
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}
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}
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// 手动设置ID
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couponRecordDO.setId(IdUtil.simpleUUID());
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return baseMapper.insert(couponRecordDO)>0;
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} finally {
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lock.unlock();
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}
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}
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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// 处理异常
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}
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return false;
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}
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@Override
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public boolean updateCouponRecord(CreateCouponRecordDTO dto) {
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CouponRecordDO couponRecordDO=baseMapper.selectById(dto.getId());
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BeanUtils.copyProperties(dto,couponRecordDO);
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couponRecordDO.update(SecurityUtils.getUserId());
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// 优惠券字段冗余
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final CouponTemplateDO couponTemplateDO = couponTemplateService.getById(dto.getCouponId());
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if(null!=couponTemplateDO){
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couponRecordDO.setCategory(couponTemplateDO.getCategory());
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couponRecordDO.setCouponCode(couponTemplateDO.getCouponCode());
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couponRecordDO.setCouponName(couponTemplateDO.getCouponName());
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couponRecordDO.setCouponDiscountValue(couponTemplateDO.getCouponDiscountValue());
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couponRecordDO.setMinOrderAmount(couponTemplateDO.getMinOrderAmount());
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}
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return baseMapper.updateById(couponRecordDO)>0;
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}
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@Override
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public boolean deleteCouponRecord(String id) {
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return baseMapper.deleteById(id)>0;
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}
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@Override
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public CouponRecordVO getCouponRecordById(String id) {
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QueryCouponRecordDTO dto=new QueryCouponRecordDTO();
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dto.setId(id);
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final List<CouponRecordVO> list = couponRecordMapperCustom.getList(dto);
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if(CollectionUtils.isNotEmpty(list)){
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return list.get(0);
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}
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return null;
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}
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@Override
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public Page<CouponRecordVO> getPage(Page page, QueryCouponRecordDTO dto) {
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List<CouponRecordVO> result=couponRecordMapperCustom.getPage(page,dto);
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return page.setRecords(result);
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}
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@Transactional
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@Override
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public boolean grantVipCouponRecordList() {
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try{
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LocalDateTime now = LocalDateTime.now();
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LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
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LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
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// 获取所有会员模版列表
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List<CouponTemplateDO> vipTemplateList= couponTemplateService.getVipCouponTemplate();
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// 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
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final List<CouponTemplateDO> updateCouponTemplateList = vipTemplateList.stream().map(couponTemplateDO -> {
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// 获取当前等级下的所有用户
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final List<Customer> customerList = customerService.getCustomerListByLevelId(couponTemplateDO.getMemberId());
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final List<CouponRecordDO> gradeCouponRecordList = customerList.stream().map(customer -> {
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CouponRecordDO couponRecordDO = new CouponRecordDO();
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BeanUtils.copyProperties(couponTemplateDO, couponRecordDO);
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couponRecordDO.setId(IdUtil.simpleUUID());
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couponRecordDO.setCouponId(couponTemplateDO.getId());
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couponRecordDO.setUserId(customer.getUserId());
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couponRecordDO.setCustomerId(customer.getId());
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couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
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couponRecordDO.setEffectiveStart(firstDayStart);
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couponRecordDO.setEffectiveEnd(lastDayEnd);
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couponRecordDO.setMemberId(couponTemplateDO.getMemberId());
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couponRecordDO.setImageUrl(couponTemplateDO.getImageUrl());
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// 创建信息
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couponRecordDO.create();
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if(!checkCurMonVipCouponExists(couponRecordDO.getCouponId(),couponRecordDO.getCustomerId(),firstDayStart,lastDayEnd)){
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return couponRecordDO;
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}else{
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return null;
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}
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}).filter(Objects::nonNull)
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.collect(Collectors.toList());
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// 批量保存等级下的优惠券信息
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saveBatch(gradeCouponRecordList);
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couponTemplateDO.setUsageStartDate(firstDayStart);
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couponTemplateDO.setUsageEndDate(lastDayEnd);
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couponTemplateDO.setGetStartDate(firstDayStart);
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couponTemplateDO.setGetEndDate(lastDayEnd);
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// 设置总数为当前会员的人数
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couponTemplateDO.setCouponAmount(CollectionUtils.isNotEmpty(customerList)?customerList.size():0);
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// 设置默认类型固定
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couponTemplateDO.setUsageType(CouponUsageTypeEnum.FIXED.getType());
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return couponTemplateDO;
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}).collect(Collectors.toList());
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// 批量更新原模版时间
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couponTemplateService.updateBatchById(updateCouponTemplateList);
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return true;
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}catch (Exception e){
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// 报错日志信息报错
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log.error(e.getMessage());
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return false;
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}
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}
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@Override
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public boolean expiredCouponRecordLastMon() {
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try{
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LocalDateTime now = LocalDateTime.now();
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LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
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LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
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// 只要找出时间小于当月的首天的设置成过期就可以
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QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
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queryWrapper.lambda().eq(CouponRecordDO::getOrderId,"")
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.lt(CouponRecordDO::getEffectiveEnd,firstDayStart);
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final List<CouponRecordDO> couponRecordDOS = baseMapper.selectList(queryWrapper);
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final List<CouponRecordDO> expiredCouponRecordList = couponRecordDOS.stream().map(couponRecordDO -> {
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couponRecordDO.setStatus(CouponUsedStatusEnum.EXPIRED.getType());
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return couponRecordDO;
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}).collect(Collectors.toList());
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//更新
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updateBatchById(expiredCouponRecordList);
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return true;
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}catch (Exception e){
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log.error(e.getMessage());
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return false;
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}
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}
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@Override
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public Integer statisCouponTemplateCount(QueryCouponStatisticsBO queryCouponStatisticsBO) {
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return couponRecordMapperCustom.statisCouponTemplateCount(queryCouponStatisticsBO);
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}
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@Override
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public Integer statisCouponTemplateCurMonCount(QueryCouponStatisticsBO queryCouponStatisticsBO) {
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return couponRecordMapperCustom.statisCouponTemplateCurMonCount(queryCouponStatisticsBO);
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}
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@Override
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public Integer statisCouponPointCurMonPontAmonut(QueryCouponStatisticsBO queryCouponStatisticsBO) {
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return couponRecordMapperCustom.statisCouponPointCurMonPointAmonut(queryCouponStatisticsBO);
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}
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@Override
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public Integer getExistCouponAmount(QueryExistCouponDTO dto) {
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QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
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queryWrapper.lambda().eq(CouponRecordDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
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.eq(StringUtils.isNotBlank(dto.getCouponId()), CouponRecordDO::getCouponId,dto.getCouponId())
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.eq(null!=dto.getCustomerId(),CouponRecordDO::getCustomerId,dto.getCustomerId())
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.eq(StringUtils.isNotBlank(dto.getCategory()),CouponRecordDO::getCategory,dto.getCategory());
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return baseMapper.selectCount(queryWrapper);
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}
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@Override
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public Integer getExistGainCouponRecordAmountById(String couponId) {
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QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
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queryWrapper.lambda().eq(CouponRecordDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
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.eq(StringUtils.isNotBlank(couponId), CouponRecordDO::getCouponId,couponId)
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;
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return baseMapper.selectCount(queryWrapper);
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}
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@Override
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public Integer getUserGainCouponRecordAmountById(String couponId, Long customerId) {
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QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
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queryWrapper.lambda().eq(CouponRecordDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
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.eq(StringUtils.isNotBlank(couponId), CouponRecordDO::getCouponId,couponId)
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.eq(null!=customerId,CouponRecordDO::getCustomerId,customerId)
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;
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return baseMapper.selectCount(queryWrapper);
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}
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@Override
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public Integer getUserGainCouponRecordAmountByUserId(String couponId, String userId) {
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QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
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queryWrapper.lambda().eq(CouponRecordDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
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.eq(StringUtils.isNotBlank(couponId), CouponRecordDO::getCouponId,couponId)
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.eq(null!=userId,CouponRecordDO::getUserId,userId)
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;
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return baseMapper.selectCount(queryWrapper);
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}
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@Override
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public List<CouponRecordVO> getMineCouponRecordList(QueryMineCouponRecordDTO dto) {
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checkCouponExpired(dto);
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return couponRecordMapperCustom.getMineCouponRecordList(dto);
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}
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@Override
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public void checkCouponExpired(QueryMineCouponRecordDTO dto) {
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if(StringUtils.isBlank(dto.getUserId())){
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dto.setUserId(SecurityUtils.getUserId());
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}
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// 将未使用的优惠券直接过期
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couponRecordMapperCustom.checkCouponExpired(dto);
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}
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@Override
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public boolean checkCurMonVipCouponExists(String couponId, Long customId, LocalDateTime startDateTime, LocalDateTime endDateTime) {
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LocalDateTime now = LocalDateTime.now();
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LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
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LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
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if(null==startDateTime){
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startDateTime=firstDayStart;
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}
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if(null==endDateTime){
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endDateTime=lastDayEnd;
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}
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QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
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queryWrapper.lambda().eq(CouponRecordDO::getDeleted,TrueOrFalseEnum.FALSE.isFlag())
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.eq(CouponRecordDO::getCouponId,couponId)
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.eq(CouponRecordDO::getCustomerId,customId)
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.eq(CouponRecordDO::getEffectiveStart,startDateTime)
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.eq(CouponRecordDO::getEffectiveEnd,endDateTime);
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return baseMapper.selectCount(queryWrapper)>0;
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}
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@Transactional
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@Override
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public boolean useCoupon(String couponId, String orderId, BigDecimal orderMount) {
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// 优惠券为空
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if(StringUtils.isBlank(couponId)){
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throw new ValidationException("无效的优惠券");
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}
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if(StringUtils.isBlank(orderId)){
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throw new ValidationException("订单id不能为空");
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}
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if(orderMount.compareTo(BigDecimal.ZERO)<=0){
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throw new ValidationException("订单金额不能小于0");
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}
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// 验证优惠券存在且有效
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final CouponRecordDO couponRecordDO = baseMapper.selectById(couponId);
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if(null==couponRecordDO || StringUtils.isNotBlank(couponRecordDO.getOrderId()) ){
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throw new ValidationException("无效的优惠券");
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}
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if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.USED.getType())){
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throw new ValidationException("优惠券已经被使用");
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}
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if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.EXPIRED.getType()) || LocalDateTime.now().isAfter(couponRecordDO.getEffectiveEnd())){
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throw new ValidationException("优惠券已过期");
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}
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// 根据类型判断是无门槛还是满减，如果是无门槛
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if(couponRecordDO.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType())){
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// 无门槛，查看金额是否大于满减值
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if(orderMount.compareTo(couponRecordDO.getCouponDiscountValue())<0){
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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;
|
}
|
}
|
