package com.ruoyi.other.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.account.api.feignClient.AppUserClient;
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import com.ruoyi.account.api.model.AppUser;
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import com.ruoyi.common.core.utils.PageUtils;
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import com.ruoyi.common.core.utils.ServletUtils;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.security.service.TokenService;
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import com.ruoyi.common.security.utils.SecurityUtils;
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import com.ruoyi.order.feignClient.OrderClient;
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import com.ruoyi.other.api.domain.*;
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import com.ruoyi.other.mapper.GoodsShopMapper;
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import com.ruoyi.other.mapper.SeckillActivityInfoMapper;
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import com.ruoyi.other.mapper.ShopMapper;
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import com.ruoyi.other.service.GoodsEvaluateService;
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import com.ruoyi.other.service.GoodsSeckillService;
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import com.ruoyi.other.service.GoodsService;
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import com.ruoyi.other.service.SeckillActivityInfoService;
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import com.ruoyi.other.util.GeodesyUtil;
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import com.ruoyi.other.vo.SeckillActivityDetailVO;
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import com.ruoyi.other.vo.SeckillActivityVO;
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import com.ruoyi.system.api.model.LoginUser;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Comparator;
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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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* <p>
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* 服务实现类
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* </p>
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*
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* @author luodangjia
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* @since 2024-11-20
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*/
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@Service
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public class SeckillActivityInfoServiceImpl extends ServiceImpl<SeckillActivityInfoMapper, SeckillActivityInfo> implements SeckillActivityInfoService {
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@Resource
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private SeckillActivityInfoMapper seckillActivityInfoMapper;
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@Resource
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private GoodsShopMapper goodsShopMapper;
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@Resource
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private ShopMapper shopMapper;
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@Resource
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private TokenService tokenService;
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@Resource
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private AppUserClient appUserClient;
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@Resource
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private GoodsSeckillService goodsSeckillService;
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@Resource
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private GoodsService goodsService;
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@Resource
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private OrderClient orderClient;
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@Resource
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private GoodsEvaluateService goodsEvaluateService;
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@Override
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public List<SeckillActivityVO> listSeckillActivity(Goods goods) {
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LoginUser loginUserApplet = tokenService.getLoginUserApplet();
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AppUser appUser = appUserClient.getAppUserById(loginUserApplet.getUserid());
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goods.setVipId(appUser.getVipId());
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List<SeckillActivityVO> seckillActivityVOS = seckillActivityInfoMapper.listSeckillActivity(goods);
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for (SeckillActivityVO seckillActivityVO : seckillActivityVOS) {
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Integer data = orderClient.getGoodsSaleNum(seckillActivityVO.getGoodsId(), 2).getData();
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seckillActivityVO.setSaleNum(data);
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LocalDateTime startTime = seckillActivityVO.getStartTime();
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LocalDateTime now = LocalDateTime.now();
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LocalDateTime endTime = seckillActivityVO.getEndTime();
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if (endTime.isBefore(now)){
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seckillActivityVO.setStatus(3); //已结束
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}else if (startTime.isBefore(now)){
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seckillActivityVO.setStatus(2); // 已开始
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}else {
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seckillActivityVO.setStatus(1); // 未开始
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}
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}
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Integer pageCurr = goods.getPageCurr();
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Integer pageSize = goods.getPageSize();
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String orderByColumn = goods.getOrderByColumn();
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String isAsc = goods.getIsAsc();
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// 排序
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Comparator<SeckillActivityVO> comparator = getComparator(orderByColumn, isAsc);
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List<SeckillActivityVO> sortedList = seckillActivityVOS.stream()
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.sorted(comparator)
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.collect(Collectors.toList());
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// 分页
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int startIndex = (pageCurr - 1) * pageSize;
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int endIndex = Math.min(startIndex + pageSize, sortedList.size());
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if (startIndex >= sortedList.size()) {
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return new ArrayList<>();
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}
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return sortedList.subList(startIndex, endIndex);
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}
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private Comparator<SeckillActivityVO> getComparator(String orderByColumn, String isAsc) {
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Comparator<SeckillActivityVO> comparator;
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switch (orderByColumn) {
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case "tgs.selling_price":
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comparator = Comparator.comparing(SeckillActivityVO::getSellingPrice);
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break;
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case "integral":
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comparator = Comparator.comparing(SeckillActivityVO::getIntegral);
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break;
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case "sale_num":
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comparator = Comparator.comparing(SeckillActivityVO::getSaleNum);
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break;
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// 添加其他排序字段
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default:
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comparator = Comparator.comparing(SeckillActivityVO::getId); // 默认按ID排序
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break;
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}
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if ("desc".equalsIgnoreCase(isAsc)) {
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comparator = comparator.reversed();
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}
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return comparator;
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}
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@Override
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public SeckillActivityDetailVO detail(Integer seckillActivityId, String latitude, String longitude) {
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Integer vipId = 0;
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String token = SecurityUtils.getToken(ServletUtils.getRequest());
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if(StringUtils.isNotEmpty(token)){
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Long userid = tokenService.getLoginUserApplet().getUserid();
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AppUser appUser = appUserClient.getAppUserById(userid);
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vipId = appUser.getVipId();
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}
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SeckillActivityInfo activityInfo = this.getById(seckillActivityId);
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if(null == activityInfo || activityInfo.getDelFlag() == 1){
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throw new RuntimeException("活动不存在");
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}
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if(activityInfo.getIsShelves() == 0){
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throw new RuntimeException("活动已下架");
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}
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if(!activityInfo.getVipIds().contains(vipId.toString())){
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throw new RuntimeException("权限不足");
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}
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SeckillActivityDetailVO seckillActivityDetailVO = seckillActivityInfoMapper.selectDetail(seckillActivityId, vipId);
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Integer goodsId = seckillActivityDetailVO.getGoodsId();
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Goods goods = goodsService.getById(goodsId);
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seckillActivityDetailVO.setGoodsName(goods.getName());
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seckillActivityDetailVO.setGoodsType(goods.getType());
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List<Shop> shops;
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if(goods.getAppointStore() == 1){
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List<Integer> shopIdList = goodsShopMapper.selectList(new LambdaQueryWrapper<GoodsShop>()
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.eq(GoodsShop::getGoodsId, goodsId)).stream().map(GoodsShop::getShopId).collect(Collectors.toList());
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shops = shopMapper.selectList(new LambdaQueryWrapper<Shop>()
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.in(shopIdList.size() > 0, Shop::getId, shopIdList).eq(Shop::getDelFlag, 0));
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}else{
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shops = shopMapper.selectList(new LambdaUpdateWrapper<Shop>().eq(Shop::getDelFlag, 0));
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}
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if(StringUtils.isNotEmpty(longitude) && StringUtils.isNotEmpty(latitude)){
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for (Shop shop : shops) {
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Double wgs84 = GeodesyUtil.getDistance(longitude + "," + latitude, shop.getLongitude() + "," + shop.getLatitude()).get("WGS84");
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shop.setDistance(wgs84);
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}
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shops.sort(new Comparator<Shop>() {
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@Override
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public int compare(Shop o1, Shop o2) {
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return o1.getDistance().compareTo(o2.getDistance());
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}
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});
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}
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seckillActivityDetailVO.setShopList(shops);
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Integer integer = orderClient.getGoodsSaleNum(goods.getId(), 2).getData();
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seckillActivityDetailVO.setSaleNum(integer);
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GoodsEvaluate goodsEvaluate = goodsEvaluateService.lambdaQuery().eq(GoodsEvaluate::getGoodsId, goodsId).isNotNull(GoodsEvaluate::getComment).ne(GoodsEvaluate::getComment, "")
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.orderByDesc(GoodsEvaluate::getGrade).eq(GoodsEvaluate::getStatus, 2).eq(GoodsEvaluate::getDelFlag, 0).last(" limit 0, 1").one();
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if (null != goodsEvaluate) {
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AppUser appUserById = appUserClient.getAppUserById(goodsEvaluate.getAppUserId());
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if(null != appUserById){
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goodsEvaluate.setUserName(appUserById.getName());
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goodsEvaluate.setAvatar(appUserById.getAvatar());
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goodsEvaluate.setIdStr(String.valueOf(goodsEvaluate.getId()));
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}
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}
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seckillActivityDetailVO.setGoodsEvaluate(goodsEvaluate);
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return seckillActivityDetailVO;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void saveSeckillActivityInfo(SeckillActivityInfo seckillActivityInfo) {
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Integer goodId = seckillActivityInfo.getGoodId();
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long count = this.count(new LambdaQueryWrapper<SeckillActivityInfo>().eq(SeckillActivityInfo::getGoodId, goodId).eq(SeckillActivityInfo::getDelFlag, 0)
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.eq(SeckillActivityInfo::getIsShelves, 1).last(" and now() between start_time and end_time"));
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if(0 < count){
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throw new RuntimeException("该秒杀商品已在其他秒杀活动中存在");
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}
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this.baseMapper.insert(seckillActivityInfo);
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List<GoodsSeckill> goodsSeckills = seckillActivityInfo.getGoodsSeckills();
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for (GoodsSeckill goodsSeckill : goodsSeckills) {
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goodsSeckill.setCashPayment(null == goodsSeckill.getSellingPrice() ? 0 : 1);
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goodsSeckill.setPointPayment(null == goodsSeckill.getIntegral() ? 0 : 1);
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goodsSeckill.setSeckillActivityInfoId(seckillActivityInfo.getId());
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}
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goodsSeckillService.saveBatch(goodsSeckills);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updateSeckillActivityInfo(SeckillActivityInfo seckillActivityInfo) {
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Integer goodId = seckillActivityInfo.getGoodId();
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long count = this.count(new LambdaQueryWrapper<SeckillActivityInfo>().eq(SeckillActivityInfo::getGoodId, goodId).eq(SeckillActivityInfo::getDelFlag, 0)
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.eq(SeckillActivityInfo::getIsShelves, 1).last(" and now() between start_time and end_time"));
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if(1 < count){
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throw new RuntimeException("该秒杀商品已在其他秒杀活动中存在");
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}
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this.baseMapper.updateById(seckillActivityInfo);
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goodsSeckillService.remove(new LambdaQueryWrapper<GoodsSeckill>().eq(GoodsSeckill::getSeckillActivityInfoId, seckillActivityInfo.getId()));
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List<GoodsSeckill> goodsSeckills = seckillActivityInfo.getGoodsSeckills();
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for (GoodsSeckill goodsSeckill : goodsSeckills) {
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goodsSeckill.setCashPayment(null == goodsSeckill.getSellingPrice() ? 0 : 1);
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goodsSeckill.setPointPayment(null == goodsSeckill.getIntegral() ? 0 : 1);
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goodsSeckill.setSeckillActivityInfoId(seckillActivityInfo.getId());
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}
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goodsSeckillService.saveBatch(goodsSeckills);
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}
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}
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