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<?php
namespace Wallabag\CoreBundle\Helper;
use Graby\Graby;
use Wallabag\CoreBundle\Entity\Entry;
use Wallabag\CoreBundle\Tools\Utils;
/**
* This kind of proxy class take care of getting the content from an url
* and update the entry with what it found.
*/
class ContentProxy
{
protected $graby;
protected $tagger;
public function __construct(Graby $graby, RuleBasedTagger $tagger)
{
$this->graby = $graby;
$this->tagger = $tagger;
}
/**
* Fetch content using graby and hydrate given entry with results information.
* In case we couldn't find content, we'll try to use Open Graph data.
*
* @param Entry $entry Entry to update
* @param string $url Url to grab content for
*
* @return Entry
*/
public function updateEntry(Entry $entry, $url)
{
$content = $this->graby->fetchContent($url);
$title = $content['title'];
if (!$title && isset($content['open_graph']['og_title'])) {
$title = $content['open_graph']['og_title'];
}
$html = $content['html'];
if (false === $html) {
$html = '<p>Unable to retrieve readable content.</p>';
if (isset($content['open_graph']['og_description'])) {
$html .= '<p><i>But we found a short description: </i></p>';
$html .= $content['open_graph']['og_description'];
}
}
$entry->setUrl($content['url'] ?: $url);
$entry->setTitle($title);
$entry->setContent($html);
$entry->setLanguage($content['language']);
$entry->setMimetype($content['content_type']);
$entry->setReadingTime(Utils::getReadingTime($html));
$entry->setDomainName(parse_url($entry->getUrl(), PHP_URL_HOST));
if (isset($content['open_graph']['og_image'])) {
$entry->setPreviewPicture($content['open_graph']['og_image']);
}
$this->tagger->tag($entry);
return $entry;
}
}
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