<?php

namespace addon\fenxiao\event;
class NodeParent
{
    public function handle($param)
    {
        if (isset($param['parent'])) {
            $parentInfo = model('fenxiao')->getInfo(['fenxiao_id' => $param['parent']], 'fenxiao_id,fenxiao_name,parent,chain,depth_level');

            if ($parentInfo) {
                $Parent['chain'] = $parentInfo['chain'] . $param['fenxiao_id'] . ',';
                $Parent['depth_level'] = $parentInfo['depth_level'] + 1;
            } else {
                $Parent['chain'] = $param['fenxiao_id'] . ',';
                $Parent['depth_level'] = 1;
            }

            return $Parent;
        }
        if (isset($param['fenxiao_id'])) {
            $Parent['chain'] = $param['fenxiao_id'] . ',';
            $Parent['depth_level'] = 1;
            return $Parent;
        }
        return [];
    }
}