<?php

namespace app\model;

use think\facade\Cache;
use think\Model;

class GrantedAuth extends Model
{
    // 权限组
    protected $json = ['auth'];

    /**
     * 权限来源
     */
    public function from()
    {
        return $this->belongsTo(Org::class, 'from', 'id');
    }

    /**
     * 权限授予
     */
    public function to()
    {
        return $this->belongsTo(Org::class, 'to', 'id');
    }

    /**
     * 授权权限获取
     */
    public function getIdsByAuth($auth, $to)
    {
        // 从缓存中获取授权企业id
        $key = $auth.'-'.$to;
        $data = Cache::get($key);
        if($data !== null){
            $data = json_decode($data);
        }

        // 如果缓存没有则进行查询
        $condition = [
            // ['auth->'.$auth, '=', true],
            ['to', '=', $to]
        ];

        $data = self::where($condition)->column('from');
        // 将查询结果放入到缓存中，并添加标签
        Cache::tag('auth_to_'.$to)->set($auth.'-'.$to, json_encode($data), 3600);

        return $data;
    }
}