package cn.lili.modules.lmk.service.impl;
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import cn.lili.common.exception.ServiceException;
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import cn.lili.common.security.AuthUser;
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import cn.lili.common.security.context.UserContext;
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import cn.lili.modules.lmk.domain.entity.StoreCoupon;
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import cn.lili.modules.lmk.enums.general.PrizeStatusEnum;
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import cn.lili.modules.lmk.service.StoreCouponService;
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import cn.lili.modules.promotion.entity.dos.MemberCoupon;
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import cn.lili.modules.promotion.service.MemberCouponService;
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import cn.lili.rocketmq.RocketmqSendCallbackBuilder;
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import com.alibaba.fastjson.JSON;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import cn.lili.modules.lmk.domain.entity.StoreCouponClaimRecord;
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import cn.lili.modules.lmk.mapper.StoreCouponClaimRecordMapper;
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import cn.lili.modules.lmk.service.StoreCouponClaimRecordService;
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import cn.lili.base.Result;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import cn.lili.modules.lmk.domain.form.StoreCouponClaimRecordForm;
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import cn.lili.modules.lmk.domain.vo.StoreCouponClaimRecordVO;
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import cn.lili.modules.lmk.domain.query.StoreCouponClaimRecordQuery;
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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 lombok.RequiredArgsConstructor;
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import cn.lili.utils.PageUtil;
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import org.springframework.beans.BeanUtils;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.transaction.support.TransactionSynchronization;
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import org.springframework.transaction.support.TransactionSynchronizationManager;
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import org.springframework.util.Assert;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 店铺优惠卷领取记录 服务实现类
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*
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* @author peng
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* @since 2025-09-25
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*/
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@Service
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@RequiredArgsConstructor
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public class StoreCouponClaimRecordServiceImpl extends ServiceImpl<StoreCouponClaimRecordMapper, StoreCouponClaimRecord> implements StoreCouponClaimRecordService {
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private final StoreCouponClaimRecordMapper storeCouponClaimRecordMapper;
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private final RedissonClient redissonClient;
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private static final String STORE_COUPON_CLAIM = "store_coupon_claim:";
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private final MemberCouponService memberCouponService;
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private final StoreCouponService storeCouponService;
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/**
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* 添加
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* @param form
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* @return
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*/
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@Override
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public Result add(StoreCouponClaimRecordForm form) {
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StoreCouponClaimRecord entity = StoreCouponClaimRecordForm.getEntityByForm(form, null);
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baseMapper.insert(entity);
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return Result.ok("添加成功");
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}
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/**
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* 修改
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* @param form
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* @return
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*/
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@Override
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public Result update(StoreCouponClaimRecordForm form) {
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StoreCouponClaimRecord entity = baseMapper.selectById(form.getId());
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// 为空抛IllegalArgumentException，做全局异常处理
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Assert.notNull(entity, "记录不存在");
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BeanUtils.copyProperties(form, entity);
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baseMapper.updateById(entity);
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return Result.ok("修改成功");
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}
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/**
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* 批量删除
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* @param ids
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* @return
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*/
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@Override
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public Result remove(List<String> ids) {
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baseMapper.deleteBatchIds(ids);
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return Result.ok("删除成功");
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}
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/**
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* id删除
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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 Result removeById(String id) {
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baseMapper.deleteById(id);
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return Result.ok("删除成功");
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}
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/**
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* 分页查询
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* @param query
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* @return
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*/
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@Override
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public Result page(StoreCouponClaimRecordQuery query) {
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IPage<StoreCouponClaimRecordVO> page = PageUtil.getPage(query, StoreCouponClaimRecordVO.class);
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baseMapper.getPage(page, query);
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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}
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/**
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* 根据id查找
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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 Result detail(String id) {
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StoreCouponClaimRecordVO vo = baseMapper.getById(id);
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Assert.notNull(vo, "记录不存在");
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return Result.ok().data(vo);
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}
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/**
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* 列表
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* @return
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*/
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@Override
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public Result all() {
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List<StoreCouponClaimRecord> entities = baseMapper.selectList(null);
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List<StoreCouponClaimRecordVO> vos = entities.stream()
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.map(entity -> StoreCouponClaimRecordVO.getVoByEntity(entity, null))
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.collect(Collectors.toList());
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return Result.ok().data(vos);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result claimCoupon(String id) {
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AuthUser currentUser = UserContext.getCurrentUser();
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if (currentUser == null) {
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throw new ServiceException("当前用户没有登录无法领取");
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}
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String userId = currentUser.getId();
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String nickName = currentUser.getNickName();
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//锁住店铺某一个优惠卷
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RLock redissonLock = redissonClient.getLock(STORE_COUPON_CLAIM + id);
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try {
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redissonLock.lock();
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StoreCoupon storeCoupon = storeCouponService.getById(id);
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if (storeCoupon == null) {
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throw new ServiceException("当前店铺不存在优惠卷");
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}
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//处理幂等问题限制一个用户只能该店铺领取一种优惠卷
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LambdaQueryWrapper<StoreCouponClaimRecord> memCoupon = Wrappers.<StoreCouponClaimRecord>lambdaQuery()
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.eq(StoreCouponClaimRecord::getUserId, userId)
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.eq(StoreCouponClaimRecord::getCouponId, storeCoupon.getCouponId());
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List<StoreCouponClaimRecord> list = this.list(memCoupon);
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if (!list.isEmpty()){
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throw new ServiceException("当前用户已经领取过了无法再次领取");
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}
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//领取对应的优惠卷写入记录
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memberCouponService.receiveCoupon(storeCoupon.getCouponId(),userId , nickName);
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StoreCouponClaimRecord storeCouponClaimRecord = new StoreCouponClaimRecord();
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storeCouponClaimRecord.setCouponId(storeCoupon.getCouponId());
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storeCouponClaimRecord.setCouponName(storeCoupon.getCouponName());
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storeCouponClaimRecord.setStoreId(storeCoupon.getStoreId());
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storeCouponClaimRecord.setStoreName(storeCoupon.getStoreName());
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storeCouponClaimRecord.setUserId(userId);
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this.save(storeCouponClaimRecord);
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//领取成功返回优惠卷id用于跳转购物使用
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return Result.ok().data(storeCoupon.getCouponId());
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} finally {
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TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
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@Override
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public void afterCommit() {
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if (redissonLock.isHeldByCurrentThread()) {
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redissonLock.unlock();
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}
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}
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});
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}
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}
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}
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