package cn.lili.modules.lmk.service.impl;
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import cn.lili.common.exception.ServiceException;
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import cn.lili.modules.lmk.domain.entity.CouponVirtual;
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import cn.lili.modules.lmk.domain.entity.StoreCouponSingle;
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import cn.lili.modules.lmk.enums.general.GenerateCouponStausEnum;
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import cn.lili.modules.lmk.enums.general.StoreCouponStausEnum;
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import cn.lili.modules.lmk.service.StoreCouponSingleService;
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import cn.lili.modules.order.order.entity.enums.ClaimStatusEnum;
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import cn.lili.modules.promotion.entity.dos.Coupon;
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import cn.lili.modules.promotion.service.CouponService;
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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.StoreCoupon;
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import cn.lili.modules.lmk.mapper.StoreCouponMapper;
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import cn.lili.modules.lmk.service.StoreCouponService;
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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.StoreCouponForm;
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import cn.lili.modules.lmk.domain.vo.StoreCouponVO;
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import cn.lili.modules.lmk.domain.query.StoreCouponQuery;
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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.ArrayList;
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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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* 店铺优惠卷对应关系 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 StoreCouponServiceImpl extends ServiceImpl<StoreCouponMapper, StoreCoupon> implements StoreCouponService {
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private final StoreCouponMapper storeCouponMapper;
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private final RedissonClient redissonClient;
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private static final String STORE_COUPON_GENERATE = "store_coupon_generate:";
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private final CouponService couponService;
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private final StoreCouponSingleService storeCouponSingleService;
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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(StoreCouponForm form) {
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StoreCoupon entity = StoreCouponForm.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(StoreCouponForm form) {
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StoreCoupon 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(StoreCouponQuery query) {
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IPage<StoreCouponVO> page = PageUtil.getPage(query, StoreCouponVO.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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StoreCouponVO 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<StoreCoupon> entities = baseMapper.selectList(null);
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List<StoreCouponVO> vos = entities.stream()
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.map(entity -> StoreCouponVO.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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public Result getCoupon(String id) {
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StoreCouponSingle storeCouponSingle = storeCouponSingleService.getById(id);
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StoreCoupon storeCoupon = this.getById(storeCouponSingle.getStoreCoupRef());
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if (storeCoupon == null) {
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throw new ServiceException("店铺礼品卡包不存在");
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}
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if (!StoreCouponStausEnum.ENABLE.name().equals(storeCoupon.getStatus())) {
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throw new ServiceException("店铺礼品卡包没有启用无法领取");
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}
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if (ClaimStatusEnum.CLAIM.name().equals(storeCouponSingle.getClaimStatus())) {
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throw new ServiceException("当前礼品卡包已被领取");
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}
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return Result.ok().data(storeCouponSingle);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result addStoreCoupon(StoreCouponForm storeCoupon) {
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StoreCoupon entity = StoreCouponForm.getEntityByForm(storeCoupon, null);
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entity.setStatus(StoreCouponStausEnum.ENABLE.name());
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entity.setCouponClaimNum(0);
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entity.setGenerateStatus(GenerateCouponStausEnum.NOT_GENERATE.name());
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Coupon coupon = couponService.getById(entity.getCouponId());
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Integer publishNum = coupon.getPublishNum();
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//表示不限制领取数量
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if (!Integer.valueOf(0).equals(publishNum)) {
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if (publishNum < storeCoupon.getCouponNum()) {
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throw new ServiceException("优惠卷发行数量小于生成二维码数量");
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}
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}
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this.save(entity);
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return Result.ok();
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result generateStoreCoupon(String id) {
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RLock redissonLock = redissonClient.getLock(STORE_COUPON_GENERATE + id);
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try {
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redissonLock.lock();
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LambdaQueryWrapper<StoreCoupon> forUpdate = Wrappers.<StoreCoupon>lambdaQuery().eq(StoreCoupon::getId, id).last("FOR UPDATE");
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StoreCoupon storeCoupon = this.getOne(forUpdate);
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if (storeCoupon == null) {
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throw new ServiceException("当前店铺优惠卷不存在无法生成");
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}
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if (!GenerateCouponStausEnum.NOT_GENERATE.name().equals( storeCoupon.getGenerateStatus())) {
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throw new ServiceException("当前店铺优惠卷状态异常无法生成");
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}
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//生成优惠卷
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Integer couponNum = storeCoupon.getCouponNum();
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if (couponNum == null) {
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throw new ServiceException("发行数量为空不能生成");
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}
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List<StoreCouponSingle> storeCouponSingles = new ArrayList<>();
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for (int i = 1; i <= couponNum; i++) {
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StoreCouponSingle storeCouponSingle = getStoreCouponSingle(storeCoupon, i);
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storeCouponSingles.add(storeCouponSingle);
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}
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if (!storeCouponSingles.isEmpty()) {
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storeCouponSingleService.saveBatch(storeCouponSingles);
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}
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//更新状态生成状态
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storeCoupon.setGenerateStatus(GenerateCouponStausEnum.GENERATE.name());
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this.updateById(storeCoupon);
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return Result.ok();
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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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@Override
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public void afterCompletion(int status) {
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// 确保即使在事务回滚的情况下也能释放锁
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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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private static StoreCouponSingle getStoreCouponSingle(StoreCoupon storeCoupon, int i) {
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StoreCouponSingle storeCouponSingle = new StoreCouponSingle();
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storeCouponSingle.setStoreCoupRef(storeCoupon.getId());
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storeCouponSingle.setStoreId(storeCoupon.getStoreId());
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storeCouponSingle.setStoreName(storeCoupon.getStoreName());
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storeCouponSingle.setCouponName(storeCoupon.getCouponName());
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storeCouponSingle.setCouponId(storeCoupon.getCouponId());
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storeCouponSingle.setClaimStatus(ClaimStatusEnum.NOT_CLAIM.name());
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storeCouponSingle.setCouponNo(String.format("%08d", i));
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return storeCouponSingle;
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}
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}
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