package com.moral.api.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.moral.api.entity.Organization;
import com.moral.api.mapper.OrganizationMapper;
import com.moral.api.service.OrganizationService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.constant.Constants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;

import java.util.ArrayList;
import java.util.List;

/**
 * <p>
 * 组织表 服务实现类
 * </p>
 *
 * @author moral
 * @since 2021-04-06
 */
@Service
public class OrganizationServiceImpl extends ServiceImpl<OrganizationMapper, Organization> implements OrganizationService {

    @Autowired
    OrganizationMapper organizationMapper;


    @Override
    public List<Organization> getChildrenOrganizationsById(Integer id) {
        List<Organization> childrenOrganization = new ArrayList<>();
        recursionQueryChildren(id,childrenOrganization);
        return childrenOrganization;
    }

    @Override
    public Organization getOrganizationById(Integer id) {
        return organizationMapper.selectById(id);
    }


    /**
    * @Description: 通过父组织查询下面所有的子组织放到children中
            * @Param: [parentId, children]
            * @return: void
            * @Author: 陈凯裕
            * @Date: 2021/7/1
            */
    private void recursionQueryChildren(Integer parentId, List<Organization> children) {
        QueryWrapper<Organization> queryWrapper = new QueryWrapper();
        queryWrapper.select("id");
        queryWrapper.eq("is_delete", Constants.NOT_DELETE);
        queryWrapper.eq("parent_id", parentId);
        List<Organization> organizations = organizationMapper.selectList(queryWrapper);
        if (!ObjectUtils.isEmpty(organizations)) {
            children.addAll(organizations);
            for (Organization organization : organizations) {
                recursionQueryChildren(organization.getId(), children);
            }
        } else {
            return;
        }
    }
}