package com.ruoyi.goods.service.impl.lottery;
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import cn.hutool.core.bean.BeanUtil;
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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.ruoyi.common.core.domain.R;
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import com.ruoyi.common.core.utils.uuid.IdUtils;
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import com.ruoyi.common.security.utils.SecurityUtils;
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import com.ruoyi.goods.api.domain.LotteryEvent;
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import com.ruoyi.goods.api.domain.LotteryEventPrize;
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import com.ruoyi.goods.api.domain.UserLotteryEvent;
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import com.ruoyi.goods.api.domain.UserLotteryEventQuestions;
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import com.ruoyi.goods.domain.vo.AppLotteryEventPageVo;
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import com.ruoyi.goods.domain.vo.LotteryEventVo;
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import com.ruoyi.goods.domain.vo.ShopLotteryDrawListVo;
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import com.ruoyi.goods.domain.vo.UserLotteryEventVo;
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import com.ruoyi.goods.mapper.lottery.LotteryEventMapper;
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import com.ruoyi.goods.service.lottery.ILotteryEventPrizeService;
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import com.ruoyi.goods.service.lottery.ILotteryEventService;
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import com.ruoyi.goods.service.lottery.IUserLotteryEventQuestionsService;
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import com.ruoyi.goods.service.lottery.IUserLotteryEventService;
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import com.ruoyi.system.api.domain.poji.member.Member;
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import com.ruoyi.system.api.domain.poji.member.MemberGiftRecord;
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import com.ruoyi.system.api.domain.poji.shop.Shop;
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import com.ruoyi.system.api.service.RemoteCouponService;
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import com.ruoyi.system.api.service.RemoteMemberService;
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import com.ruoyi.system.api.service.RemoteShopService;
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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.stereotype.Service;
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import javax.annotation.Resource;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.util.*;
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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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* @author zhibing.pu
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* @Date 2025/5/8 18:05
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*/
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@Service
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public class LotteryEventServiceImpl extends ServiceImpl<LotteryEventMapper, LotteryEvent> implements ILotteryEventService {
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@Resource
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private IUserLotteryEventService userLotteryEventService;
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@Resource
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private ILotteryEventPrizeService lotteryEventPrizeService;
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@Resource
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private RemoteCouponService remoteCouponService;
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@Resource
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private RemoteMemberService remoteMemberService;
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@Resource
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private RedissonClient redissonClient;
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@Resource
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private IUserLotteryEventQuestionsService userLotteryEventQuestionsAnswersService;
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@Resource
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private RemoteShopService remoteShopService;
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/**
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* 根据id查询抽奖活动信息
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*
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* @param id
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* @return
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*/
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@Override
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public LotteryEventVo getLotteryEvent(String id) {
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Long userId = SecurityUtils.getUserId();
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LotteryEvent lotteryEvent = this.getById(id);
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//构建返回结果
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LotteryEventVo vo = new LotteryEventVo();
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vo.setId(lotteryEvent.getId());
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vo.setName(lotteryEvent.getName());
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vo.setActivityProfile(lotteryEvent.getActivityProfile());
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List<UserLotteryEvent> userLotteryEvents = userLotteryEventService.list(new QueryWrapper<UserLotteryEvent>().eq("lottery_event_id", id));
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vo.setLaveTimes(lotteryEvent.getTimes() - userLotteryEvents.size());
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//查询抽检活动奖品
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List<LotteryEventPrize> lotteryEventPrizeList = lotteryEventPrizeService.list(new QueryWrapper<LotteryEventPrize>().eq("lottery_event_id", id));
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vo.setPrizeList(lotteryEventPrizeList);
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//答题正确率
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if (5 == lotteryEvent.getActivityType()) {
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UserLotteryEventQuestions questionsServiceOne = userLotteryEventQuestionsAnswersService.getOne(new QueryWrapper<UserLotteryEventQuestions>().eq("lottery_event_id", id).eq("user_id", userId));
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if (null == questionsServiceOne) {
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vo.setCorrectAnswerRate(questionsServiceOne.getCorrectAnswerRate());
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}
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}
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//构建我的奖品明细
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 HH:mm");
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List<UserLotteryEventVo> collect = userLotteryEvents.stream().map(s -> {
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UserLotteryEventVo userLotteryEventVo = new UserLotteryEventVo();
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userLotteryEventVo.setName(s.getObjectName());
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userLotteryEventVo.setPrizeType(s.getPrizeType());
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userLotteryEventVo.setNumber(s.getNumber());
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MemberGiftRecord memberGiftRecord = remoteMemberService.getVerifyPrizeByGiftId(s.getId()).getData();
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userLotteryEventVo.setVerifyCode("3-" + memberGiftRecord.getPrizeId());
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userLotteryEventVo.setIsVerify(1 == memberGiftRecord.getVerifyStatus() ? 0 : 1);
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userLotteryEventVo.setVerifyTime(null == memberGiftRecord.getVerifyTime() ? "" : sdf.format(memberGiftRecord.getVerifyTime()));
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Member member = remoteMemberService.getMember(userId).getData();
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userLotteryEventVo.setVerifyShop("全部门店");
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if (null != member && null != member.getRelationShopId()) {
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Shop shop = remoteShopService.getShop(member.getRelationShopId()).getData();
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userLotteryEventVo.setVerifyShop(shop.getShopName());
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}
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return userLotteryEventVo;
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}).collect(Collectors.toList());
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vo.setYourPrizeList(collect);
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return vo;
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}
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/**
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* 抽奖操作
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*
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* @param id
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* @return
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*/
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@Override
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public R lotteryDraw(String id) {
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Long userId = SecurityUtils.getUserId();
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Member member = remoteMemberService.getMember(userId).getData();
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LotteryEvent lotteryEvent = this.getById(id);
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//判断答题抽奖是否满足抽奖条件
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if (lotteryEvent.getActivityType() == 5) {
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UserLotteryEventQuestions questionsServiceOne = userLotteryEventQuestionsAnswersService.getOne(new QueryWrapper<UserLotteryEventQuestions>().eq("lottery_event_id", id).eq("user_id", userId));
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if (questionsServiceOne.getCorrectAnswerRate().compareTo(lotteryEvent.getAccuracy()) < 0) {
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return R.fail("答题抽奖失败，答题正确率低于活动要求");
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}
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}
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//使用redis锁处理高并发
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RLock lock = redissonClient.getLock("lottery_event::" + userId + "::" + id);
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try {
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boolean tryLock = lock.tryLock(30, TimeUnit.SECONDS);
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if (tryLock) {
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//判断抽奖次数是否用完
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int count = userLotteryEventService.count(new QueryWrapper<UserLotteryEvent>().eq("lottery_event_id", id).eq("user_id", userId));
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if (lotteryEvent.getTimes() <= count) {
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return R.fail("抽奖次数已用完");
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}
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List<LotteryEventPrize> lotteryEventPrizeList = lotteryEventPrizeService.list(new QueryWrapper<LotteryEventPrize>().eq("lottery_event_id", id));
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//开始抽奖，根据中奖概率来抽奖
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List<LotteryEventPrize> list = new ArrayList<>();
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for (LotteryEventPrize lotteryEventPrize : lotteryEventPrizeList) {
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int winRate = lotteryEventPrize.getWinRate().intValue();
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for (int i = 0; i < winRate; i++) {
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LotteryEventPrize event = new LotteryEventPrize();
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BeanUtil.copyProperties(lotteryEventPrize, event);
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list.add(event);
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}
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}
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//将待抽奖的集合进行随机排序
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Collections.shuffle(list);
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//开始获取随机数
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int random = new Random().nextInt(list.size());
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LotteryEventPrize lotteryEventPrize = lotteryEventPrizeList.get(random);
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//添加中奖商品
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UserLotteryEvent userLotteryEvent = new UserLotteryEvent();
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userLotteryEvent.setId(IdUtils.simpleUUID());
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userLotteryEvent.setUserId(userId);
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userLotteryEvent.setLotteryEventId(id);
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userLotteryEvent.setLotteryEventPrizeId(lotteryEventPrize.getId());
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userLotteryEvent.setPrizeType(lotteryEventPrize.getPrizeType());
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userLotteryEvent.setObjectId(lotteryEventPrize.getObjectId());
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userLotteryEvent.setObjectName(lotteryEventPrize.getObjectName());
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userLotteryEvent.setNumber(lotteryEventPrize.getNumber());
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//中奖优惠券
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if (1 == lotteryEventPrize.getPrizeType()) {
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remoteCouponService.addMemberCoupon(lotteryEventPrize.getObjectId(), lotteryEventPrize.getNumber(), userId);
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}
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//中奖积分
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if (4 == lotteryEventPrize.getPrizeType()) {
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remoteMemberService.addIntegralRecord(lotteryEventPrize.getNumber(), userId, id);
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}
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userLotteryEvent.setCreateTime(LocalDateTime.now());
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userLotteryEventService.save(userLotteryEvent);
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//添加奖品数据
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MemberGiftRecord memberGiftRecord = new MemberGiftRecord();
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memberGiftRecord.setPrizeId(IdUtils.simpleUUID());
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memberGiftRecord.setDelFlag(0);
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memberGiftRecord.setUserId(userId);
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memberGiftRecord.setGiftId(userLotteryEvent.getId());
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memberGiftRecord.setGiftFrom(1);
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memberGiftRecord.setShopId(member.getRelationShopId());
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switch (lotteryEventPrize.getPrizeType()) {
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case 1:
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memberGiftRecord.setGiftType(1);
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memberGiftRecord.setCouponId(userLotteryEvent.getObjectId());
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memberGiftRecord.setCouponNumber(userLotteryEvent.getNumber());
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break;
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case 2:
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memberGiftRecord.setGiftType(2);
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memberGiftRecord.setGoodsId(userLotteryEvent.getObjectId());
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memberGiftRecord.setGiftName(userLotteryEvent.getObjectName());
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memberGiftRecord.setGoodsNumber(userLotteryEvent.getNumber());
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break;
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case 3:
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memberGiftRecord.setGiftType(4);
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memberGiftRecord.setGiftName(userLotteryEvent.getObjectName());
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memberGiftRecord.setGiftNumber(userLotteryEvent.getNumber());
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break;
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case 4:
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memberGiftRecord.setGiftType(5);
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memberGiftRecord.setIntegralNumber(userLotteryEvent.getNumber());
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break;
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}
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memberGiftRecord.setPrizeFrom(2);
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memberGiftRecord.setCreateTime(new Date());
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memberGiftRecord.setVerifyStatus(1);
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remoteMemberService.saveMemberGiftRecord(memberGiftRecord);
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return R.ok();
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}
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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lock.unlock();
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}
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return R.fail("抽奖失败");
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}
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/**
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* 获取APP抽奖列表
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*
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* @param page
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* @param userId
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* @return
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*/
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@Override
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public List<AppLotteryEventPageVo> pageAppLotteryEvent(Page<AppLotteryEventPageVo> page, Long userId) {
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return this.baseMapper.pageAppLotteryEvent(page, userId);
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}
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/**
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* 获取门店抽奖列表
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*
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* @param page
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* @param shopId
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* @return
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*/
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@Override
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public List<ShopLotteryDrawListVo> getShopLotteryDrawList(Page<ShopLotteryDrawListVo> page, Long shopId) {
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return this.baseMapper.getShopLotteryDrawList(page, shopId);
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}
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}
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