<?php

namespace app\api\model\app\activity;

use think\Model;
use think\Db;
use app\api\model\app\activity\Ticket;
use app\common\exception\Exception;
use app\api\model\app\activity\UserTicket;
use fast\Random;

/**
 * 线下活动-绑定课程
 */
class BindCourse extends Model
{


    // 表名
    protected $name = 'app_activity_course';

    // 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;

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

    /**
     * 检查用户参与权限
     * @return void
     */
    public static function checkJoinAuth($userId,$activityId){

        $list = self::with(['course'])
            ->where([
                'activity_id'=>$activityId,
                'course.status'=>1
            ])
            ->field("course_id")
            ->select();

        if(!$list){
            return true;
        }

        foreach ($list as $item){
            if(!\app\common\model\user\Subscription::getSubscriptionAuth($userId,$item['course_id'])){
                return false;
            }
        }

        return true;
    }
}