Crawler de AirBNB

<?php

namespace App\Services;


use App\Entity\Hotels;
use App\Entity\ImagesHotels;
use GuzzleHttp\Client;
use Symfony\Component\DomCrawler\Crawler;
use Symfony\Component\Filesystem\Filesystem;

class AirBnbCrawler{

    /** @var $crawler Crawler */
    protected $crawler;

    protected $dataCrawler;
    protected $imgCrawler;
    protected $em;


    public function __construct(EntityManager $em)
    {
        $this->em = $em;
    }

    protected function getCrawler($link)
    {
        $client = new Client();
        $raw = $client->get($link);

        $this->crawler = new Crawler($raw->getBody()->getContents());

        $this->dataCrawler =($this->crawler->filter('._czm8crp')->each(function (Crawler $node){
            if (strpos($node->text(),'huéspedes')!== false || strpos($node->text(),'dormitorios')!== false || strpos($node->text(),'baños')!== false  )
                return $node->text();
        }));

        $this->imgCrawler = $this->removeNull(($this->crawler->filter('img')->each(function (Crawler $node){
            if (strpos($node->attr('src'),'base64')=== false )
                return $node->attr('src');
        })));
    }

    protected function removeNull($array)
    {

        $data = [];
        foreach ($array as $item) if (!is_null($item)) $data[] = $item;

        return $data;
    }


    protected function getData($element)
    {
        $data = [];
        foreach ($this->dataCrawler as $item) if (strpos($item,$element) !== false) $data[] = $item;

        if(count($data) > 0) $data = explode(' ',array_pop($data));

        return ($data > 0) ? $data[0] : 0 ;
    }

    protected function getPathImg(Hotels $hotel)
    {
        $url = 'images\\hotels\\'.$hotel->getSlug().'\\';
        $fs = new Filesystem();
       if($fs->exists($url) === false)
           $fs->mkdir($url);

       return $url;
    }

    protected function saveImages(Hotels $hotel)
    {
        foreach ($this->imgCrawler as $key => $img)
        {
            $name = $uniq = uniqid()  . '.jpg';
            $url = $this->getPathImg($hotel) .$name;
            file_put_contents($url, file_get_contents($img));

            $img =( new ImagesHotels())->setHotel($hotel)->setPosition($key)->setSlug($name)->setImageName($name);
            $this->em->save($img);
        }
    }

    public function createProperty($url)
    {
        $this->getCrawler($url);

        $hotel = new Hotels();
        $hotel->setTitleAdvert($this->crawler->filter('title')->text())
            ->setName($this->crawler->filter('title')->text())
            ->setDescription($this->crawler->filter('#details')->text())
            ->setMaxGuests($this->getData('huéspedes'))
            ->setRooms($this->getData('huéspedes'))
            ->setBathrooms($this->getData('dormitorios'))
            ->setAddress('')->setCp(0)->setType('type.home')
            ->setUrl($url)
        ;
        $this->em->save($hotel);
        $this->saveImages($hotel);

        return $hotel;

    }
}