package com.xiaopeng.account.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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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.xiaopeng.account.constant.I18nKeyConstant;
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import com.xiaopeng.account.mapper.SysGroupMapper;
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import com.xiaopeng.account.model.dto.SysGroupAddDTO;
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import com.xiaopeng.account.model.dto.SysGroupEditDTO;
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import com.xiaopeng.account.model.query.GroupUserPageQuery;
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import com.xiaopeng.account.model.query.SysGroupPageQuery;
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import com.xiaopeng.account.model.vo.GroupUserVO;
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import com.xiaopeng.account.model.vo.SysGroupDetailVO;
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import com.xiaopeng.account.model.vo.SysGroupPageVO;
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import com.xiaopeng.account.model.vo.SysMenuVO;
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import com.xiaopeng.account.service.ISysGroupMenuService;
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import com.xiaopeng.account.service.ISysGroupService;
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import com.xiaopeng.account.service.ISysRoleService;
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import com.xiaopeng.api.feignClient.operation.SysMenuClient;
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import com.xiaopeng.api.model.account.SysGroup;
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import com.xiaopeng.api.model.account.SysRole;
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import com.xiaopeng.api.model.operation.SysMenu;
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import com.xiaopeng.common.core.domain.R;
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import com.xiaopeng.common.core.exception.ServiceException;
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import com.xiaopeng.common.core.utils.StringUtils;
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import com.xiaopeng.common.core.web.page.PageInfo;
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import com.xiaopeng.common.security.utils.SecurityUtils;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.BeanUtils;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.CollectionUtils;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 权限组设置 服务实现类
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* </p>
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*
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* @author mitao
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* @since 2026-02-03
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*/
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@Slf4j
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@Service
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@RequiredArgsConstructor(onConstructor_ = @Lazy)
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public class SysGroupServiceImpl extends ServiceImpl<SysGroupMapper, SysGroup> implements ISysGroupService {
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private final ISysGroupMenuService groupMenuService;
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private final SysMenuClient sysMenuClient;
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private final ISysRoleService sysRoleService;
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/**
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* 新增权限组
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*
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* @param dto 新增权限组请求
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void addGroup(SysGroupAddDTO dto) {
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// 校验组名唯一性
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if (!checkGroupNameUnique(dto.getGroupName(), null)) {
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throw new ServiceException("权限组名称已存在", I18nKeyConstant.GROUP_NAME_EXISTS);
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}
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// 创建权限组实体
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SysGroup group = BeanUtil.copyProperties(dto, SysGroup.class);
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// 保存权限组
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this.save(group);
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// 保存菜单关联
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groupMenuService.saveGroupMenus(group.getId(), dto.getMenuIds());
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}
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/**
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* 编辑权限组
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*
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* @param dto 编辑权限组请求
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void editGroup(SysGroupEditDTO dto) {
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// 校验权限组是否存在
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SysGroup existGroup = this.getById(dto.getId());
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if (existGroup == null) {
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throw new ServiceException("权限组不存在", I18nKeyConstant.GROUP_NOT_EXISTS);
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}
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// 校验组名唯一性（排除自身）
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if (!checkGroupNameUnique(dto.getGroupName(), dto.getId())) {
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throw new ServiceException("权限组名称已存在", I18nKeyConstant.GROUP_NAME_EXISTS);
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}
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// 更新权限组信息
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existGroup.setGroupName(dto.getGroupName());
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existGroup.setRemarks(dto.getRemarks());
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existGroup.setGroupType(dto.getGroupType());
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this.updateById(existGroup);
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// 删除旧的菜单关联
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groupMenuService.deleteByGroupId(dto.getId());
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// 保存新的菜单关联
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groupMenuService.saveGroupMenus(dto.getId(), dto.getMenuIds());
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}
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/**
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* 获取权限组详情（含菜单树）
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*
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* @param id 权限组ID
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* @return 权限组详情
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*/
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@Override
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public SysGroupDetailVO getGroupDetail(Long id) {
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// 查询权限组基础信息
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SysGroup group = this.getById(id);
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if (group == null) {
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throw new ServiceException("权限组不存在", I18nKeyConstant.GROUP_NOT_EXISTS);
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}
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SysGroupDetailVO vo = BeanUtil.toBean(group, SysGroupDetailVO.class);
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// 根据权限组ID获取菜单ID列表
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List<Long> menuIds = groupMenuService.selectMenuIdsByGroupId(id);
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if (CollectionUtils.isEmpty(menuIds)) {
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vo.setMenus(new ArrayList<>());
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return vo;
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}
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// 通过Feign调用获取菜单详情
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try {
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R<List<SysMenu>> result = sysMenuClient.getMenusByMenuIds(menuIds);
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if (result != null && result.getData() != null) {
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List<SysMenu> menus = result.getData();
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// 构建菜单树
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vo.setMenus(buildMenuTree(menus));
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vo.setMenuIds(menus.stream().map(SysMenu::getId).collect(Collectors.toList()));
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} else {
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vo.setMenus(new ArrayList<>());
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vo.setMenuIds(new ArrayList<>());
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}
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} catch (Exception e) {
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log.error("获取菜单列表失败: {}", e.getMessage());
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vo.setMenus(new ArrayList<>());
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}
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return vo;
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}
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/**
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* 权限组分页列表
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*
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* @param query 分页查询参数
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* @return 分页结果
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*/
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@Override
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public PageInfo<SysGroupPageVO> pageList(SysGroupPageQuery query) {
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// 构建查询条件
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LambdaQueryWrapper<SysGroup> wrapper = new LambdaQueryWrapper<>();
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if (StringUtils.isNotBlank(query.getGroupName())) {
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wrapper.like(SysGroup::getGroupName, query.getGroupName());
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}
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wrapper.orderByDesc(SysGroup::getCreateTime);
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// 分页查询
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PageInfo<SysGroup> pageInfo = new PageInfo<>(query.getPageNum(), query.getPageSize());
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PageInfo<SysGroup> groupPage = this.page(pageInfo, wrapper);
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// 转换为VO
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PageInfo<SysGroupPageVO> resultPage = new PageInfo<>(query.getPageNum(), query.getPageSize());
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resultPage.setTotal(groupPage.getTotal());
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List<SysGroupPageVO> voList = groupPage.getRecords().stream().map(group -> {
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SysGroupPageVO vo = BeanUtil.copyProperties(group, SysGroupPageVO.class);
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// 统计绑定用户数
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Long bindCount = baseMapper.countBindUsers(group.getId());
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vo.setBindCount(bindCount != null ? bindCount : 0L);
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return vo;
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}).collect(Collectors.toList());
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resultPage.setRecords(voList);
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return resultPage;
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}
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/**
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* 查询权限组绑定用户分页列表
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*
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* @param query 分页查询参数
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* @return 分页结果
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*/
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@Override
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public PageInfo<GroupUserVO> queryUserPageList(GroupUserPageQuery query) {
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// 校验权限组是否存在
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SysGroup group = this.getById(query.getGroupId());
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if (group == null) {
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throw new ServiceException("权限组不存在");
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}
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// 分页查询
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PageInfo<GroupUserVO> pageInfo = new PageInfo<>(query.getPageNum(), query.getPageSize());
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query.setGroupType(group.getGroupType());
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PageInfo<GroupUserVO> records = baseMapper.queryUserPageList(pageInfo, query);
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// 手动设置分页信息（因为使用了自定义SQL）
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return pageInfo;
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}
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/**
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* 校验权限组名称唯一性
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*
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* @param groupName 权限组名称
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* @param excludeId 排除的权限组ID（编辑时使用）
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* @return true=唯一，false=不唯一
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*/
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@Override
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public boolean checkGroupNameUnique(String groupName, Long excludeId) {
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LambdaQueryWrapper<SysGroup> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(SysGroup::getGroupName, groupName);
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if (excludeId != null) {
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wrapper.ne(SysGroup::getId, excludeId);
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}
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return this.count(wrapper) == 0;
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}
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/**
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* 构建菜单树
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*
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* @param menus 菜单列表
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* @return 菜单树
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*/
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private List<SysMenuVO> buildMenuTree(List<SysMenu> menus) {
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if (CollectionUtils.isEmpty(menus)) {
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return new ArrayList<>();
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}
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Map<Long, SysMenuVO> menuMap = new HashMap<>();
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List<SysMenuVO> rootMenus = new ArrayList<>();
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// 转换为VO并建立映射
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for (SysMenu menu : menus) {
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SysMenuVO vo = convertToMenuVO(menu);
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vo.setChildren(new ArrayList<>());
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menuMap.put(vo.getId(), vo);
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}
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// 构建树结构
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for (SysMenuVO vo : menuMap.values()) {
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if (vo.getParentId() == null || vo.getParentId() == 0) {
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rootMenus.add(vo);
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} else {
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SysMenuVO parent = menuMap.get(vo.getParentId());
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if (parent != null) {
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parent.getChildren().add(vo);
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} else {
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// 父节点不在列表中，作为根节点处理
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rootMenus.add(vo);
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}
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}
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}
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// 按orderNum排序
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sortMenuTree(rootMenus);
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return rootMenus;
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}
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/**
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* 转换为菜单VO
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*
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* @param menu 菜单实体
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* @return 菜单VO
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*/
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private SysMenuVO convertToMenuVO(SysMenu menu) {
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SysMenuVO vo = new SysMenuVO();
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BeanUtils.copyProperties(menu, vo);
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return vo;
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}
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/**
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* 递归排序菜单树
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*
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* @param menus 菜单列表
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*/
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private void sortMenuTree(List<SysMenuVO> menus) {
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if (CollectionUtils.isEmpty(menus)) {
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return;
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}
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menus.sort(Comparator.comparing(SysMenuVO::getOrderNum, Comparator.nullsLast(Comparator.naturalOrder())));
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for (SysMenuVO menu : menus) {
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if (!CollectionUtils.isEmpty(menu.getChildren())) {
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sortMenuTree(menu.getChildren());
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}
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}
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}
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/**
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* 删除权限组
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* @param id
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*/
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@Override
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public void deleteById(Long id) {
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Long count = sysRoleService.lambdaQuery().eq(SysRole::getGroupId, id).count();
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if (count > 0) {
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throw new ServiceException("删除失败，该权限组已关联角色", I18nKeyConstant.SYS_GROUP_DELETE_FAIL);
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}
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removeById(id);
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}
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}
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