<?php
/**
 * Author: NODELOG
 * Date: 2015/11/27
 * Time: 13:37.
 */
namespace console\models;

use common\models\Spider;
use console\models\spider\SpiderAbstract;

class SpiderFactory
{
    public static function create($name)
    {
        $spider = Spider::find()->where(['name' => $name])->one();
        if (empty($spider)) {
            throw new \Exception('不存在目标网站');
        }
        $className = '\console\models\spider\\'.ucfirst(strtolower($name));
        if (!class_exists($className)) {
            $spiderObj = new SpiderAbstract(['spiderName' => $name]);
        } else {
            $spiderObj = new $className();
        }
        return $spiderObj;
    }
}