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@ -3,6 +3,8 @@ package com.lottery.api.service.Impl; |
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import com.lottery.LotteryApplication; |
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import com.lottery.admin.mapper.AdminPrizeMapper; |
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import com.lottery.admin.mapper.AdminWinMapper; |
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import com.lottery.api.mapper.IGradeMapper; |
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import com.lottery.api.mapper.IUserDetailMapper; |
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import com.lottery.api.mapper.IUserMapper; |
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@ -11,14 +13,18 @@ import com.lottery.dto.StartLotteryDto; |
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import com.lottery.entity.Grade; |
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import com.lottery.entity.User; |
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import com.lottery.entity.UserDetail; |
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import com.lottery.entity.WinnerRecord; |
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import com.lottery.exception.SomeException; |
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import com.lottery.utils.ConvertBeanUtil; |
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import com.lottery.vo.UserVo; |
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import com.lottery.vo.WinUserVo; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.http.converter.StringHttpMessageConverter; |
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import org.springframework.stereotype.Service; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.Date; |
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import java.util.List; |
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/** |
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@ -38,92 +44,205 @@ public class UserDetailServiceImpl extends ServiceImpl<IUserDetailMapper, UserDe |
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private IGradeMapper gradeMapper; |
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@Autowired |
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private AdminPrizeMapper adminPrizeMapper; |
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@Autowired |
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private IUserDetailMapper userDetailMapper; |
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@Autowired |
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private AdminWinMapper adminWinMapper; |
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// public List<UserVo> StartLottery(StartLotteryDto startLotteryDto) { |
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// |
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// Long gradeId = gradeMapper.selectByName(startLotteryDto.getGradeName()); |
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// if (gradeId == null) { |
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// throw new SomeException("未找到指定等级：" + startLotteryDto.getGradeName()); |
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// } |
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// |
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// LambdaQueryWrapper<UserDetail> userDetailLambdaQueryWrapper = new LambdaQueryWrapper<>(); |
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// userDetailLambdaQueryWrapper |
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// .eq(UserDetail::getGradeId, gradeId) |
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// .eq(UserDetail::getIsFixed, 1); |
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// |
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// //该等级下的所有内定人员 |
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// List<UserDetail> userDetails = userDetailMapper.selectList(userDetailLambdaQueryWrapper); |
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// |
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// if (userDetails.isEmpty()) { |
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// System.out.println("无内定"); |
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// |
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// //从user表中随机抽取startLotteryDto.getPerWin()人 |
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// LambdaQueryWrapper<User> UserQueryWrapper = new LambdaQueryWrapper<>(); |
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// List<User> users = randomSelectFromAllUser(userMapper.selectList(UserQueryWrapper), startLotteryDto.getPerWin()); |
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// |
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// List<UserVo> userVos = ConvertBeanUtil.convertList(users, UserVo.class); |
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// return userVos; |
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// } |
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// |
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// if (startLotteryDto.getPerWin() > userDetails.size()) { |
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// //抽取人数大于内定人数，所有内定人员均中奖，剩余的从总的user表抽取 |
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// List<UserVo> userVoList = new ArrayList<>(); |
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// |
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// //内定中奖的 |
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// for (UserDetail userDetail : userDetails) { |
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// User user = userMapper.selectById(userDetail.getUserId()); |
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// if (user == null) { |
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// throw new SomeException("未找到用户ID：" + userDetail.getUserId()); |
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// } |
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// |
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// UserVo userVo = new UserVo(); |
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// userVo.setUsername(user.getUsername()); |
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// userVo.setJwcode(user.getJwcode()); |
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// userVoList.add(userVo); |
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// } |
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// |
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// //总中奖人数 - 内定人数 = 剩余从总用户表中抽取 |
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// int lastNum = startLotteryDto.getPerWin() - userVoList.size(); |
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// LambdaQueryWrapper<User> UserQueryWrapper = new LambdaQueryWrapper<>(); |
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// List<User> users = randomSelectFromAllUser(userMapper.selectList(UserQueryWrapper), lastNum); |
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// for (User user : users) { |
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// UserVo userVo = new UserVo(); |
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// userVo.setUsername(user.getUsername()); |
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// userVo.setJwcode(user.getJwcode()); |
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// userVoList.add(userVo); |
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// } |
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// return userVoList; |
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// } |
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// |
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// if (startLotteryDto.getPerWin() <= userDetails.size()) { |
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// //抽取人数小于等于内定人数，从内定人数中随机抽取 |
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// List<UserDetail> winners = randomSelectFixUser(userDetails, startLotteryDto.getPerWin()); |
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// |
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// List<UserVo> userVoList = new ArrayList<>(); |
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// // 遍历所有中奖用户 |
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// for (UserDetail userDetail : winners) { |
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// // 关联查询user表获取详细信息 |
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// User user = userMapper.selectById(userDetail.getUserId()); |
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// |
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// // 检查用户是否存在 |
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// if (user == null) { |
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// throw new SomeException("未找到用户ID：" + userDetail.getUserId()); |
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// } |
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// |
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// // 创建UserVo对象并添加到结果列表 |
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// UserVo userVo = new UserVo(); |
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// userVo.setUsername(user.getUsername()); |
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// userVo.setJwcode(user.getJwcode()); |
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// userVoList.add(userVo); |
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// } |
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// return userVoList; |
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// } |
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// return new ArrayList<>(); |
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// } |
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@Override |
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public void StartLottery(StartLotteryDto startLotteryDto) { |
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public List<UserVo> StartLottery(StartLotteryDto startLotteryDto) { |
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// 1. 获取年级ID |
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Long gradeId = gradeMapper.selectByName(startLotteryDto.getGradeName()); |
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if (gradeId == null) { |
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throw new SomeException("未找到指定等级：" + startLotteryDto.getGradeName()); |
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} |
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LambdaQueryWrapper<UserDetail> userDetailLambdaQueryWrapper = new LambdaQueryWrapper<>(); |
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userDetailLambdaQueryWrapper |
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.eq(UserDetail::getGradeId, gradeId) |
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// 2. 查询该年级下所有内定人员 |
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LambdaQueryWrapper<UserDetail> userDetailWrapper = new LambdaQueryWrapper<>(); |
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userDetailWrapper.eq(UserDetail::getGradeId, gradeId) |
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.eq(UserDetail::getIsFixed, 1); |
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List<UserDetail> fixedUsers = userDetailMapper.selectList(userDetailWrapper); |
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// 3. 准备中奖用户结果集 |
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List<UserVo> winners = new ArrayList<>(); |
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int requiredWinners = startLotteryDto.getPerWin(); |
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//该等级下的内定人员 |
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List<UserDetail> userDetails = userDetailMapper.selectList(userDetailLambdaQueryWrapper); |
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// 4. 先处理内定用户（过滤掉已中奖的） |
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List<User> availableFixedUsers = getAvailableFixedUsers(fixedUsers); |
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int fixedWinnersCount = Math.min(availableFixedUsers.size(), requiredWinners); |
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if (userDetails.isEmpty()) { |
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System.out.println("无内定"); |
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//从user表中抽取 |
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if (fixedWinnersCount > 0) { //证明该等级下的内定用户还有没中奖的，先从内定用户抽取 |
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List<User> fixedWinners = randomSelectUsers(availableFixedUsers, fixedWinnersCount); |
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winners.addAll(convertToUserVoList(fixedWinners)); |
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markUsersAsWinners(fixedWinners, startLotteryDto); // 标记为已中奖,并加入到中奖记录表里面 |
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} |
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if (startLotteryDto.getPerWin() > userDetails.size()) { |
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//抽取人数大于内定人数，所有内定人员均中奖，剩余的从总的user表抽取 |
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List<UserVo> userVoList = new ArrayList<>(); |
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// 5. 如果人数不足，从全体用户补充（同样过滤掉已中奖的） |
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if (winners.size() < requiredWinners) { |
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int remaining = requiredWinners - winners.size(); |
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List<User> allAvailableUsers = getAllAvailableUsers(); |
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List<User> supplementWinners = randomSelectUsers(allAvailableUsers, Math.min(remaining, allAvailableUsers.size())); |
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winners.addAll(convertToUserVoList(supplementWinners)); |
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markUsersAsWinners(supplementWinners, startLotteryDto); // 标记为已中奖,并加入到中奖记录表里面 |
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} |
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return winners; |
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} |
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//内定中奖的 |
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for (UserDetail userDetail : userDetails) { |
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// 获取可用的内定用户（未中奖的） |
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private List<User> getAvailableFixedUsers(List<UserDetail> fixedUsers) { |
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List<User> availableUsers = new ArrayList<>(); |
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for (UserDetail userDetail : fixedUsers) { |
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User user = userMapper.selectById(userDetail.getUserId()); |
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if (user == null) { |
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throw new SomeException("未找到用户ID：" + userDetail.getUserId()); |
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if (user != null && user.getIsWin() == 0) { // 0表示未中奖 |
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availableUsers.add(user); |
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} |
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} |
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return availableUsers; |
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} |
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UserVo userVo = new UserVo(); |
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userVo.setUsername(user.getUsername()); |
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userVo.setJwcode(user.getJwcode()); |
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userVoList.add(userVo); |
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// 获取全体可用用户（未中奖的） |
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private List<User> getAllAvailableUsers() { |
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LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>(); |
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wrapper.eq(User::getIsWin, 0); // 只查询未中奖的 |
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return userMapper.selectList(wrapper); |
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} |
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//总中奖人数 - 内定人数 = 剩余从总用户表中抽取 |
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int lastNum = startLotteryDto.getPerWin() - userVoList.size(); |
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LambdaQueryWrapper<User> UserQueryWrapper = new LambdaQueryWrapper<>(); |
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List<User> users = randomSelectFromAll(userMapper.selectList(UserQueryWrapper), lastNum); |
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// 随机选择用户 |
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private List<User> randomSelectUsers(List<User> users, int count) { |
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if (users.size() <= count) { |
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return new ArrayList<>(users); |
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} |
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Collections.shuffle(users); |
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return users.subList(0, count); |
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} |
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// 转换为UserVo列表 |
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private List<UserVo> convertToUserVoList(List<User> users) { |
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List<UserVo> result = new ArrayList<>(); |
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for (User user : users) { |
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UserVo userVo = new UserVo(); |
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userVo.setUsername(user.getUsername()); |
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userVo.setJwcode(user.getJwcode()); |
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UserVo vo = new UserVo(); |
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vo.setUsername(user.getUsername()); |
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vo.setJwcode(user.getJwcode()); |
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result.add(vo); |
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} |
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return result; |
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} |
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if (startLotteryDto.getPerWin() <= userDetails.size()) { |
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//抽取人数小于等于内定人数，从内定人数中随机抽取 |
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List<UserDetail> winners = randomSelect(userDetails, startLotteryDto.getPerWin()); |
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// 标记用户为中奖状态 |
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private void markUsersAsWinners(List<User> winners, StartLotteryDto startLotteryDto) { |
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for (User user : winners) { |
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user.setIsWin(1); // 1表示已中奖 |
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List<UserVo> userVoList = new ArrayList<>(); |
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// 遍历所有中奖用户 |
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for (UserDetail userDetail : winners) { |
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// 关联查询user表获取详细信息 |
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User user = userMapper.selectById(userDetail.getUserId()); |
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//把中奖的用户添加到中奖表里面 |
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// WinnerRecord winnerRecord = new WinnerRecord(); |
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// winnerRecord.setUserId(user.getId()); |
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// 检查用户是否存在 |
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if (user == null) { |
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throw new SomeException("未找到用户ID：" + userDetail.getUserId()); |
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} |
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WinnerRecord winnerRecord = WinnerRecord.builder() |
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.userId(user.getId()) |
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.winTime(new Date()) |
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.prizeId(adminPrizeMapper.selectByName(startLotteryDto.getPrizeName())).build(); |
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// 创建UserVo对象并添加到结果列表 |
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UserVo userVo = new UserVo(); |
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userVo.setUsername(user.getUsername()); |
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userVo.setJwcode(user.getJwcode()); |
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userVoList.add(userVo); |
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adminWinMapper.insert(winnerRecord); |
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userMapper.updateById(user); |
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} |
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} |
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} |
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// 随机选择指定数量的用户(内定名单中) |
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private List<UserDetail> randomSelect(List<UserDetail> users, int count) { |
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List<UserDetail> shuffled = new ArrayList<>(users); // 避免修改原集合 |
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Collections.shuffle(shuffled); // 随机打乱顺序 |
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return shuffled.subList(0, count); // 取前N个 |
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} |
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// 随机选择指定数量的用户(总名单中) |
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private List<User> randomSelectFromAll(List<User> user, int count) { |
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List<User> shuffled = new ArrayList<>(user); // 避免修改原集合 |
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Collections.shuffle(shuffled); // 随机打乱顺序 |
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return shuffled.subList(0, count); // 取前N个 |
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} |
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// // 随机选择指定数量的用户(内定名单中) |
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// private List<UserDetail> randomSelectFixUser(List<UserDetail> users, int count) { |
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// List<UserDetail> shuffled = new ArrayList<>(users); // 避免修改原集合 |
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// Collections.shuffle(shuffled); // 随机打乱顺序 |
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// return shuffled.subList(0, count); // 取前N个 |
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// } |
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// |
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// // 随机选择指定数量的用户(总名单中) |
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// private List<User> randomSelectFromAllUser(List<User> user, int count) { |
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// List<User> shuffled = new ArrayList<>(user); // 避免修改原集合 |
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// Collections.shuffle(shuffled); // 随机打乱顺序 |
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// return shuffled.subList(0, count); // 取前N个 |
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// } |
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} |
willy
1 month ago