package com.xiaopeng.account.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.xiaopeng.account.mapper.SysGroupMenuMapper;
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import com.xiaopeng.account.service.ISysGroupMenuService;
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import com.xiaopeng.api.model.account.SysGroupMenu;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 角色和菜单关联表 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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@Service
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public class SysGroupMenuServiceImpl extends ServiceImpl<SysGroupMenuMapper, SysGroupMenu> implements ISysGroupMenuService {
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/**
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* 根据权限组ID查询菜单ID列表
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*
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* @param groupId 权限组ID
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* @return 菜单ID列表
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*/
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@Override
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public List<Long> selectMenuIdsByGroupId(Long groupId) {
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if (groupId == null) {
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return new ArrayList<>();
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}
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// 使用 MyBatis-Plus 的 LambdaQueryWrapper 查询
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LambdaQueryWrapper<SysGroupMenu> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.eq(SysGroupMenu::getGroupId, groupId);
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List<SysGroupMenu> groupMenus = this.list(queryWrapper);
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return groupMenus.stream()
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.map(SysGroupMenu::getMenuId)
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.filter(Objects::nonNull)
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.collect(Collectors.toList());
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}
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/**
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* 批量保存权限组菜单关联
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*
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* @param groupId 权限组ID
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* @param menuIds 菜单ID列表
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*/
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@Override
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public void saveGroupMenus(Long groupId, List<Long> menuIds) {
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if (groupId == null || menuIds == null || menuIds.isEmpty()) {
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return;
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}
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List<SysGroupMenu> list = this.list(new LambdaQueryWrapper<SysGroupMenu>().eq(SysGroupMenu::getGroupId, groupId));
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List<Long> deleteMenuIds = new ArrayList<>();
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List<Long> addMenuIds = new ArrayList<>();
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//查找需要删除的数据
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for (SysGroupMenu sysGroupMenu : list) {
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if(!menuIds.contains(sysGroupMenu.getMenuId())){
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deleteMenuIds.add(sysGroupMenu.getMenuId());
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}
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}
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//查找需要添加的数据
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List<Long> collect = list.stream().map(SysGroupMenu::getMenuId).collect(Collectors.toList());
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for (Long menuId : menuIds) {
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if(!collect.contains(menuId)){
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addMenuIds.add(menuId);
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}
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}
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// 构建批量插入的数据
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List<SysGroupMenu> groupMenus = addMenuIds.stream()
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.filter(Objects::nonNull)
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.map(menuId -> {
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SysGroupMenu groupMenu = new SysGroupMenu();
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groupMenu.setGroupId(groupId);
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groupMenu.setMenuId(menuId);
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return groupMenu;
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})
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.collect(Collectors.toList());
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// 批量保存
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if (!groupMenus.isEmpty()) {
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this.saveBatch(groupMenus);
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}
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if(!deleteMenuIds.isEmpty()){
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this.remove(new LambdaQueryWrapper<SysGroupMenu>().eq(SysGroupMenu::getGroupId, groupId).in(SysGroupMenu::getMenuId, deleteMenuIds));
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}
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}
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/**
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* 删除权限组的所有菜单关联
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*
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* @param groupId 权限组ID
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*/
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@Override
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public void deleteByGroupId(Long groupId) {
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if (groupId == null) {
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return;
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}
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// 使用 MyBatis-Plus 的 LambdaQueryWrapper 删除
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LambdaQueryWrapper<SysGroupMenu> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.eq(SysGroupMenu::getGroupId, groupId);
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this.remove(queryWrapper);
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}
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}
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