package com.whyc.service;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
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import com.whyc.dto.Response;
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import com.whyc.mapper.AreaInfMapper;
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import com.whyc.pojo.db_area.AreaInf;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.List;
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@Service
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public class AreaInfService {
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@Autowired(required = false)
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private AreaInfMapper mapper;
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//查询所有区域信息
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public Response getAllAreaInf() {
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QueryWrapper wrapper=new QueryWrapper();
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wrapper.like("area_path","武汉源畅%");
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wrapper.orderByAsc("area_path");
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List<AreaInf> list=mapper.selectList(wrapper);
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return new Response().setII(1,list!=null,list,"查询所有区域信息");
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}
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//添加区域
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public Response addArea(Integer parentId, String areaName,String areaUname,String areaDescript) {
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AreaInf ainf=new AreaInf();
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ainf.setParentId(0);
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ainf.setAreaLevel(1);
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ainf.setAreaPath(areaName);
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ainf.setAreaName(areaName);
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if(areaUname!=null){
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ainf.setAreaUname(areaUname);
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}
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if(areaDescript!=null){
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ainf.setAreaDescript(areaDescript);
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}
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if(parentId!=null){
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//获取上一级信息
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QueryWrapper wrapper=new QueryWrapper();
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wrapper.eq("id",parentId);
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wrapper.last("limit 1");
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AreaInf painf=mapper.selectOne(wrapper);
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ainf.setParentId(parentId);
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ainf.setAreaLevel(painf.getAreaLevel()+1);
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ainf.setAreaPath(painf.getAreaName()+"_"+areaName);
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}
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int flag= mapper.insert(ainf);
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return new Response().set(1,flag>0);
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}
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//删除区域
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public Response delArea(Integer id) {
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delAll(id);
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return new Response().set(1,true);
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}
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@Transactional
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public void delAll(Integer id) {
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//获取上一级信息
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QueryWrapper wrapper=new QueryWrapper();
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wrapper.eq("parent_id",id);
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wrapper.last("limit 1");
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AreaInf painf=mapper.selectOne(wrapper);
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if(painf!=null){
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delAll(painf.getId());
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}
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UpdateWrapper wrapper1=new UpdateWrapper();
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wrapper1.eq("id",id);
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mapper.delete(wrapper1);
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}
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//修改区域
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public Response updateArea(Integer id, String areaName, String areaUname, String areaDescript) {
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QueryWrapper wrapper=new QueryWrapper();
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wrapper.eq("id",id);
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wrapper.last("limit 1");
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AreaInf ainf=mapper.selectOne(wrapper);
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ainf.setAreaUname(areaUname);
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ainf.setAreaDescript(areaDescript);
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ainf.setAreaName(areaName);
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String oldPath=ainf.getAreaPath();
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String newPath=oldPath.substring(0,oldPath.lastIndexOf("_")+1)+areaName;
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UpdateWrapper wrapper1=new UpdateWrapper();
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wrapper1.eq("id",id);
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mapper.update(ainf,wrapper1);
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updateAll(id,newPath);
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return new Response().set(1,true);
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}
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public void updateAll(Integer id, String newPath) {
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QueryWrapper wrapper=new QueryWrapper();
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wrapper.eq("parent_id",id);
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wrapper.last("limit 1");
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AreaInf painf=mapper.selectOne(wrapper);
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if(painf!=null){
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String path=newPath+"_"+painf.getAreaName();
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updateAll(painf.getId(),path);
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}
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UpdateWrapper wrapper2=new UpdateWrapper();
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wrapper2.set("area_path",newPath);
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wrapper2.eq("id",id);
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mapper.update(null,wrapper2);
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}
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}
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