Adding the LanguageFilterPlugin

lib/Tmdb/HttpClient/Plugin/LanguageFilterPlugin.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * This file is part of the Tmdb PHP API created by Michael Roterman.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @package Tmdb
+ * @author Michael Roterman <[email protected]>
+ * @copyright (c) 2013, Michael Roterman
+ * @version 0.0.1
+ */
+namespace Tmdb\HttpClient\Plugin;
+
+use Guzzle\Common\Event;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class LanguageFilterPlugin implements EventSubscriberInterface
+{
+    private $language;
+
+    public function __construct($language = 'en')
+    {
+        $this->language = $language;
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array('request.before_send' => 'onBeforeSend');
+    }
+
+    public function onBeforeSend(Event $event)
+    {
+        $url = $event['request']->getUrl(true);
+
+        $url->getQuery()->set('language', $this->language);
+
+        $event['request']->setUrl($url);
+    }
+}

test/Tmdb/Tests/HttpClient/Plugin/LanguageFilterTest.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * This file is part of the Tmdb PHP API created by Michael Roterman.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @package Tmdb
+ * @author Michael Roterman <[email protected]>
+ * @copyright (c) 2013, Michael Roterman
+ * @version 0.0.1
+ */
+namespace Tmdb\Tests\HttpClient\Plugin;
+
+use Guzzle\Common\Event;
+use Guzzle\Http\Message\Request;
+use Tmdb\HttpClient\Plugin\LanguageFilterPlugin;
+use Tmdb\Tests\TestCase;
+
+class LanguageFilterTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function shouldAddToken()
+    {
+        $request = new Request('GET', '/');
+
+        $event   = new Event();
+        $event['request'] = $request;
+
+        $plugin = new LanguageFilterPlugin();
+
+        $plugin->onBeforeSend($event);
+
+        $this->assertEquals('/?language=en', $event['request']->getUrl());
+    }
+}