src/Wallabag/CoreBundle/Helper/ContentProxy.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Helper;
   4
   5 use Graby\Graby;
   6 use Wallabag\CoreBundle\Entity\Entry;
   7
   8 /**
   9  * This kind of proxy class take care of getting the content from an url
  10  * and update the entry with what it found
  11  */
  12 class ContentProxy
  13 {
  14     protected $graby;
  15
  16     public function __construct(Graby $graby)
  17     {
  18         $this->graby = $graby;
  19     }
  20
  21     /**
  22      * Fetch content using graby and hydrate given entry with results information.
  23      * In case we couldn't find content, we'll try to use Open Graph data
  24      *
  25      * @param  Entry  $entry Entry to update
  26      * @param  string $url   Url to grab content for
  27      *
  28      * @return Entry
  29      */
  30     public function updateEntry(Entry $entry, $url)
  31     {
  32         $content = $this->graby->fetchContent($url);
  33
  34         $title = $content['title'];
  35         if (!$title && isset($content['open_graph']['og_title'])) {
  36             $title = $content['open_graph']['og_title'];
  37         }
  38
  39         $html = $content['html'];
  40         if (false === $html) {
  41             $html = '<p>Unable to retrieve readable content.</p>';
  42
  43             if (isset($content['open_graph']['og_description'])) {
  44                 $html .= '<p><i>But we found a short description: </i></p>';
  45                 $html .= $content['open_graph']['og_description'];
  46             }
  47         }
  48
  49         $entry->setUrl($content['url'] ?: $url);
  50         $entry->setTitle($title);
  51         $entry->setContent($html);
  52         $entry->setMimetype($content['content_type']);
  53
  54         if (isset($content['open_graph']['og_image'])) {
  55             $entry->setPreviewPicture($content['open_graph']['og_image']);
  56         }
  57
  58         return $entry;
  59     }
  60 }