<?php

namespace app\admin\model\app\exchange;

use think\Model;


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 = [

    ];


    /**
     * 绑定分享码
     * @param $batchId
     * @param $count
     * @return void
     */
    public function bindGoods($batchId,$goodsIds){

        $data = [];

        self::where([
            'uniacid'=>UNIACID,
            'batch_id'=>$batchId,
        ])->delete();

        if(!empty($goodsIds)){
            foreach ($goodsIds as $id){
                $data[] = [
                    'uniacid'=>UNIACID,
                    'goods_id'=>$id,
                    'batch_id'=>$batchId,
                    'createtime'=>time()
                ];
            }
        }


        self::insertAll($data);
    }


    public function batch()
    {
        return $this->belongsTo('Batch', 'batch_id', 'id', [], 'LEFT')->setEagerlyType(0);
    }


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