<?php
namespace app\common\model;

use think\Model;
use app\common\model\User ;

class FriendRequests extends Model
{
    protected $name = 'friend_requests';
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';


    public function fromUser()
    {
        return $this->belongsTo('User', 'from_user_id', 'id');
    }


    public static function getNotification($to_user_id)
    {

        return self::where(['to_user_id'=>$to_user_id,'status'=>0])->count();
    }
}