获取区域对应的用户对象

whyclxw

2025-01-06 ddee79c4a7ce16b6c7dbdc0dc3d130cfad5741ea

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package com.whyc.service;
 
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.whyc.mapper.AreaUserMapper;
import com.whyc.mapper.UserInfMapper;
import com.whyc.pojo.db_area.AreaUser;
import com.whyc.pojo.db_user.UserInf;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
 
@Service
public class AreaUserService {
    @Autowired(required = false)
    private AreaUserMapper mapper;
    @Autowired(required = false)
    private UserInfMapper userInfMapper;
 
 
    //获取用户所管理的区域
    public List setAreaId(int uid) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("uid",uid);
        List<AreaUser> list=mapper.selectList(wrapper);
        List areaList=list.stream().map(AreaUser::getAreaId) // 提取id
                .collect(Collectors.toList()); // 转换为列表*/
        return areaList;
    }
    //验证区域是否被用户管理
    public List<AreaUser> getAreaUser(Integer areaId) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("area_id",areaId);
        List<AreaUser> list=mapper.selectList(wrapper);
        return list;
    }
    //改区域管理员(添加新的记录)
    public void insertArea(Integer id, String uname) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.select("uid","uname");
        wrapper.eq("uname",uname);
        UserInf uinf=userInfMapper.selectOne(wrapper);
        AreaUser areaUser=new AreaUser();
        areaUser.setUname(uname);
        areaUser.setAreaId(id);
        areaUser.setUid(uinf.getUid());
        mapper.insert(areaUser);
    }
    //获取区域对应的用户名
    public List<String> getUserNameByAreaIds(List areaList) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.select("distinct uid","uname");
        wrapper.in("area_id",areaList);
        List<AreaUser> list=mapper.selectList(wrapper);
        List unameList=list.stream().map(AreaUser::getUname) // 提取用户名
                .collect(Collectors.toList()); // 转换为列表*/
        return unameList;
    }
    //获取区域对应的用户对象(去除自己)
    public List getUinfByAreaIds(List areaList) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.select("distinct uid","uname");
        wrapper.in("area_id",areaList);
        List<AreaUser> list=mapper.selectList(wrapper);
        return list;
    }
    //删除旧的区域对应关系
    public void delteAreaUser(Integer id) {
        UpdateWrapper wrapper=new UpdateWrapper();
        wrapper.eq("area_id",id);
        mapper.delete(wrapper);
    }
    //将新的插入
    public void insertAreaUser(Integer id, List<AreaUser> areaUserList) {
        if(areaUserList!=null){
            for ( AreaUser areauser:areaUserList) {
                areauser.setAreaId(id);
            }
            mapper.insertBatchSomeColumn(areaUserList);
        }
    }
}