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 2021-10-12
 */
@Service
public class OrganizationServiceImpl extends ServiceImpl<OrganizationMapper, Organization> implements OrganizationService {

    @Autowired(required = false)
    private OrganizationMapper organizationMapper;

    @Override
    public Organization getOrganizationById(int id) {
        QueryWrapper<Organization> wrapper_organization = new QueryWrapper<>();
        wrapper_organization.eq("is_delete",Constants.NOT_DELETE);
        wrapper_organization.eq("id",id);
        Organization organization = organizationMapper.selectOne(wrapper_organization);
        return organization;
    }

    /**
     * @Description: 根据父组织获取所有子组织
     * @Param: []
     * @return: java.util.List<com.moral.api.entity.Organization>
     * @Author: 陈凯裕
     * @Date: 2021/4/14
     */
    @Override
    public List<Organization> getAllChildrenOrganization(Integer parentId) {
        List<Organization> children = new ArrayList<>();
        recursionQueryChildren(parentId, children);
        return children;
    }

    /**
     * @Description: 通过父组织查询下面所有的子组织放到children中
     * @Param: [parent, children]
     * @return: void
     * @Author: 陈凯裕
     * @Date: 2021/4/14
     */
    private void recursionQueryChildren(Integer parentId, List<Organization> children) {
        QueryWrapper<Organization> queryWrapper = new QueryWrapper();
        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;
        }
    }
}