<?php

namespace app\api\model\app\exchange;

use think\Model;
use think\Db;
use app\api\model\app\agent\Level;
class Goods extends Model
{


    // 表名
    protected $name = 'app_exchange_batch_goods';


    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = false;
    protected $deleteTime = false;

    // 追加属性
    protected $append = [
    ];


    /**
     * 获取批次包含的商品
     * @return void
     */
    public static function getBatchGoods($batchId){
        return self::with('course')->where([
            'batch_id'=>$batchId
        ])->select();

    }


    public function course()
    {
        return $this->belongsTo('app\api\model\course\Course', 'goods_id', 'id', [], 'RIGHT')->setEagerlyType(0);
    }

}