added support for iframe.ly as fallback oembed provider

Author: oscarotero

README.md

@@ -102,7 +102,8 @@ The providers get the data from different sources. Each source has it's own prov
 Used to get data from oembed api if it's available. It accepts two options:
 
 * parameters (array): Extra query parameters to send with the oembed request
-* embedlyKey (string): If it's defined and the page has not its own oembed service, use the embedly api.
+* embedlyKey (string): If it's defined, use embed.ly api as fallback oembed provider.
+* iframelyKey (string): If it's defined, use iframe.ly api as fallback oembed provider.
 
 #### html
 

src/Providers/OEmbed.php

@@ -15,6 +15,7 @@ class OEmbed extends Provider implements ProviderInterface
     protected $config = [
         'parameters' => [],
         'embedlyKey' => null,
+        'iframelyKey' => null,
     ];
 
     /**
@@ -252,6 +253,14 @@ protected static function getEndPointFromRequest(Request $request, array $config
                 'params' => OEmbed\Embedly::getParams($request) + ['key' => $config['embedlyKey']],
             ];
         }
+
+        //Search using iframely
+        if (!empty($config['iframelyKey']) && $request->match(OEmbed\Iframely::getPatterns())) {
+            return [
+                'endPoint' => OEmbed\Iframely::getEndpoint($request),
+                'params' => OEmbed\Iframely::getParams($request) + ['api_key' => $config['iframelyKey']],
+            ];
+        }
     }
 
     /**

src/Providers/OEmbed/Iframely.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Embed\Providers\OEmbed;
+
+use Embed\Url;
+
+class Iframely extends OEmbedImplementation
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function getEndPoint(Url $url)
+    {
+        return 'http://open.iframe.ly/api/oembed';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getPatterns()
+    {
+        return '*';
+    }
+}