Merge pull request #100 from j0k3r/extractor-giphy

Add Giphy extractor

src/FeedBundle/Extractor/Giphy.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Api43\FeedBundle\Extractor;
+
+use GuzzleHttp\Exception\RequestException;
+
+class Giphy extends AbstractExtractor
+{
+    protected $giphyUrl = null;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function match($url)
+    {
+        $host = parse_url($url, PHP_URL_HOST);
+        $path = parse_url($url, PHP_URL_PATH);
+
+        if (false === $host || false === $path) {
+            return false;
+        }
+
+        if (!in_array($host, array('www.giphy.com', 'giphy.com'))) {
+            return false;
+        }
+
+        preg_match('/\/gifs\//', $path, $matches);
+
+        if (!isset($matches[0])) {
+            return false;
+        }
+
+        $this->giphyUrl = $url;
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getContent()
+    {
+        if (!$this->giphyUrl) {
+            return '';
+        }
+
+        try {
+            $data = $this->client
+                ->get('http://giphy.com/services/oembed/?url='.$this->giphyUrl)
+                ->json();
+        } catch (RequestException $e) {
+            $this->logger->warning('Giphy extract failed for: '.$this->giphyUrl, [
+                'exception' => $e,
+            ]);
+
+            return '';
+        }
+
+        if (!is_array($data) || empty($data)) {
+            return '';
+        }
+
+        return '<div><h2>'.$data['title'].'</h2><p><img src="'.$data['image'].'"></p></div>';
+    }
+}

src/FeedBundle/Resources/config/extractors.yml

@@ -175,3 +175,11 @@ services:
             - [ setLogger, [ "@logger" ]]
         tags:
             -  { name: feed.extractor, alias: reddituploads }
+
+    feed.extractor.giphy:
+        class: Api43\FeedBundle\Extractor\Giphy
+        calls:
+            - [ setLogger, [ "@logger" ]]
+            - [ setClient, [ "@guzzle.client" ]]
+        tags:
+            -  { name: feed.extractor, alias: giphy }

tests/FeedBundle/Extractor/GiphyTest.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Tests\FeedBundle\Extractor;
+
+use Api43\FeedBundle\Extractor\Giphy;
+use Monolog\Logger;
+use Monolog\Handler\TestHandler;
+use GuzzleHttp\Client;
+use GuzzleHttp\Subscriber\Mock;
+use GuzzleHttp\Message\Response;
+use GuzzleHttp\Stream\Stream;
+
+class GiphyTest extends \PHPUnit_Framework_TestCase
+{
+    public function dataMatch()
+    {
+        return array(
+            array('http://giphy.com/gifs/linarf-l2SpOiTglzlu7yI3S', true),
+            array('http://www.giphy.com/gifs/linarf-l2SpOiTglzlu7yI3S', true),
+            array('https://giphy.com/gifs/linarf-l2SpOiTglzlu7yI3S', true),
+            array('https://giphy.com/gifs/mlb-baseball-nlds-l2Sq2Ri3w1rmrOTHq', true),
+            array('https://giphy.com/search/hello-kitty-stickers/', false),
+            array('https://goog.co', false),
+            array('http://user@:80', false),
+        );
+    }
+
+    /**
+     * @dataProvider dataMatch
+     */
+    public function testMatch($url, $expected)
+    {
+        $giphy = new Giphy();
+        $this->assertEquals($expected, $giphy->match($url));
+    }
+
+    public function testContent()
+    {
+        $client = new Client();
+
+        $mock = new Mock([
+            new Response(200, [], Stream::factory(json_encode(array('title' => 'my title', 'image' => 'http://0.0.0.0/img.jpg')))),
+            new Response(200, [], Stream::factory('')),
+            new Response(400, [], Stream::factory('oops')),
+        ]);
+
+        $client->getEmitter()->attach($mock);
+
+        $giphy = new Giphy();
+        $giphy->setClient($client);
+
+        $logHandler = new TestHandler();
+        $logger = new Logger('test', array($logHandler));
+        $giphy->setLogger($logger);
+
+        // first test fail because we didn't match an url, so GiphyUrl isn't defined
+        $this->assertEmpty($giphy->getContent());
+
+        $giphy->match('https://giphy.com/gifs/linarf-l2SpOiTglzlu7yI3S');
+
+        // consecutive calls
+        $this->assertEquals('<div><h2>my title</h2><p><img src="http://0.0.0.0/img.jpg"></p></div>', $giphy->getContent());
+        // this one will got an empty array
+        $this->assertEmpty($giphy->getContent());
+        // this one will catch an exception
+        $this->assertEmpty($giphy->getContent());
+
+        $this->assertTrue($logHandler->hasWarning('Giphy extract failed for: https://giphy.com/gifs/linarf-l2SpOiTglzlu7yI3S'), 'Warning message matched');
+    }
+}