Added Flickr adapter

Author: oscarotero

src/Adapters/Flickr.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Adapter provider more information from flickr
+ */
+namespace Embed\Adapters;
+
+use Embed\Url;
+use Embed\Request;
+use Embed\Utils;
+
+class Flickr extends Webpage implements AdapterInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function check(Request $request)
+    {
+        return $request->match([
+            'https://www.flickr.com/photos/*'
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCode()
+    {
+        $url = new Url($this->request->url->getUrl());
+        $url->setDirectory(null, 'player');
+
+        return Utils::iframe($url->getUrl(), $this->width, $this->height);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getWidth()
+    {
+        return 640;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getHeight()
+    {
+        return 425;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getProviderName()
+    {
+        return 'Flickr';
+    }
+}

src/Url.php

@@ -150,13 +150,16 @@ public function getDomain($first_level = false)
     /**
      * Edit a specific directory in the path of the url
      *
-     * @param int    $key   The position of the subdirectory (0 based index)
-     * @param string $value The new value
+     * @param int|null $key   The position of the subdirectory (0 based index). Null to append
+     * @param string   $value The new value
      */
     public function setDirectory($key, $value)
     {
-        if ($key > count($this->info['path'])) {
-            $this->info['path'][] = $this->info['file'];
+        if (($key === null) || $key > count($this->info['path'])) {
+            if (isset($this->info['file'])) {
+                $this->info['path'][] = $this->info['file'];
+            }
+
             $this->info['file'] = $value;
 
             return;

tests/FlickrTest.php

@@ -0,0 +1,23 @@
+<?php
+class FlickrTest extends PHPUnit_Framework_TestCase
+{
+    public function testSets()
+    {
+        $info = Embed\Embed::create('https://www.flickr.com/photos/desescribir/sets/72157650686499888');
+
+        $this->assertEquals($info->imageWidth, 640);
+        $this->assertEquals($info->imageHeight, 425);
+        $this->assertEquals($info->code, '<iframe src="https://www.flickr.com/photos/desescribir/sets/72157650686499888/player" frameborder="0" allowTransparency="true" style="border:none;overflow:hidden;width:640px;height:425px;"></iframe>');
+        $this->assertEquals($info->type, 'rich');
+    }
+
+    public function testProfile()
+    {
+        $info = Embed\Embed::create('https://www.flickr.com/photos/desescribir');
+
+        $this->assertEquals($info->imageWidth, 640);
+        $this->assertEquals($info->imageHeight, 425);
+        $this->assertEquals($info->code, '<iframe src="https://www.flickr.com/photos/desescribir/player" frameborder="0" allowTransparency="true" style="border:none;overflow:hidden;width:640px;height:425px;"></iframe>');
+        $this->assertEquals($info->type, 'rich');
+    }
+}