<?php

namespace app\api\model\app\exchange;

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


    // 表名
    protected $name = 'app_exchange_code';


    // 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 = [
    ];


    /**
     * 检查兑换码
     * @param $code
     * @return void
     */
    public function checkCode($code)
    {

        //判断有没有
        $data = self::with(['batch'])->where([
            'code'=>$code,
            'code.status'=>1,
            'batch.status'=>1,
            'batch.starttime'=>['<',time()],
            'batch.endtime'=>['>',time()]
        ])->find();
        
        if(!$data){
            return false;
        }

        return $data;
    }


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


    /**
     * 兑换
     * @param $userId 用户
     * @param $goodsId 商品
     * @return bool
     */
    public function exchange($userId,$batchId,$code)
    {
        $goods = \app\api\model\app\exchange\Goods::getBatchGoods($batchId);

        if($goods){
            $subscriptionModel = new \app\common\model\user\Subscription();
            foreach ($goods as $item){
                $subscriptionModel->setUserCourse($userId,$item['goods_id'],'exchange');

                \app\api\model\app\exchange\UseLog::insert([
                    'user_id'=>$userId,
                    'uniacid'=>UNIACID,
                    'goods_id'=>$item['goods_id'],
                    'code'=>$code,
                    'batch_id'=>$batchId,
                    'createtime'=>time()
                ]);

                self::where([
                    'code'=>$code,
                    'batch_id'=>$batchId
                ])->update([
                    'user_id'=>$userId,
                    'use_time'=>time(),
                    'status'=>2
                ]);
            }
        }

        return true;
    }

}