Move fetching content in a separate class

src/Wallabag/CoreBundle/Helper/ContentProxy.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Wallabag\CoreBundle\Helper;
+
+use Graby\Graby;
+use Wallabag\CoreBundle\Entity\Entry;
+
+/**
+ * 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;
+
+    public function __construct(Graby $graby)
+    {
+        $this->graby = $graby;
+    }
+
+    /**
+     * 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);
+        $entry->setMimetype($content['content_type']);
+
+        if (isset($content['open_graph']['og_image'])) {
+            $entry->setPreviewPicture($content['open_graph']['og_image']);
+        }
+
+        return $entry;
+    }
+}