added graph support for facebook video

Author: oscarotero

README.md

@@ -139,7 +139,8 @@ Used only for facebook events (not needed for posts, images, etc), to get inform
 Name | Type | Description
 -----|------|------------
 `key` | `string` | The access token used to get info from facebook graph API.
-`fields` | `string` | Comma-separated list of fields to query. Please refer to [Facebook documentation](https://developers.facebook.com/docs/graph-api/reference/event) for the full list of available fields.
+`events_fields` | `string` | Comma-separated list of fields to query for a facebook event. Please refer to [Facebook documentation](https://developers.facebook.com/docs/graph-api/reference/event) for the full list of available fields.
+`videos_fields` | `string` | Comma-separated list of fields to query for a facebook video. Please refer to [Facebook documentation](https://developers.facebook.com/docs/graph-api/reference/event) for the full list of available fields.
 
 ## Example with all options:
 

demo/index.php

@@ -17,6 +17,7 @@
     include __DIR__.'/../env.php';
 
     $options['google']['key'] = getenv('GOOGLE_KEY');
+    $options['facebook']['key'] = getenv('FACEBOOK_KEY');
 }
 
 function getUrl()

src/Embed.php

@@ -48,7 +48,8 @@ abstract class Embed
 
         'facebook' => [
             'key' => null,
-            'fields' => 'cover,description,end_time,id,name,owner,place,start_time,timezone'
+            'events_fields' => 'id,cover,description,end_time,name,owner,place,start_time,timezone',
+            'videos_fields' => 'id,description,embed_html',
         ]
     ];
 

src/Providers/Api/Facebook.php

@@ -18,19 +18,12 @@ public function __construct(Adapter $adapter)
     {
         parent::__construct($adapter);
 
-        if (($id = self::getId($adapter->getResponse()->getUrl()))) {
-            $key = $adapter->getConfig('facebook[key]');
+        if (($endPoint = $this->getEndPoint())) {
+            echo $endPoint;
+            $response = $adapter->getDispatcher()->dispatch($endPoint);
 
-            if ($key) {
-                $endPoint = Url::create('https://graph.facebook.com/'.$id)
-                    ->withQueryParameter('access_token', $key)
-                    ->withQueryParameter('fields', $adapter->getConfig('facebook[fields]'));
-
-                $response = $adapter->getDispatcher()->dispatch($endPoint);
-
-                if ($json = $response->getJsonContent()) {
-                    $this->bag->set($json);
-                }
+            if ($json = $response->getJsonContent()) {
+                $this->bag->set($json);
             }
         }
     }
@@ -98,16 +91,39 @@ public function getPublishedTime()
     }
 
     /**
-     * Returns the id found in a facebook url.
-     *
-     * @param Url $url
+     * {@inheritdoc}
+     */
+    public function getCode()
+    {
+        return $this->bag->get('embed_html', true);
+    }
+
+    /**
+     * Returns the Graph API Endpoint
      *
-     * @return string
+     * @return Url|null
      */
-    private static function getId(Url $url)
+    private function getEndPoint()
     {
+        $url = $this->adapter->getResponse()->getUrl();
+        $key = $this->adapter->getConfig('facebook[key]');
+
+        if (empty($key)) {
+            return;
+        }
+
         if ($url->getDirectoryPosition(0) === 'events') {
-            return $url->getDirectoryPosition(1);
+            return  Url::create('https://graph.facebook.com/')
+                        ->withAddedPath($url->getDirectoryPosition(1))
+                        ->withQueryParameter('access_token', $key)
+                        ->withQueryParameter('fields', $this->adapter->getConfig('facebook[events_fields]'));
+        }
+
+        if ($url->getDirectoryPosition(1) === 'videos') {
+            return  Url::create('https://graph.facebook.com/')
+                        ->withAddedPath($url->getDirectoryPosition(2))
+                        ->withQueryParameter('access_token', $key)
+                        ->withQueryParameter('fields', $this->adapter->getConfig('facebook[videos_fields]'));
         }
     }
 }