Merge pull request #77 from mburtscher/guzzle-image-info

Add class to retrieve image-info with Guzzle5

Author: oscarotero

src/ImageInfo/Guzzle5.php

@@ -0,0 +1,46 @@
+<?php
+namespace Embed\ImageInfo;
+
+use GuzzleHttp\Pool;
+
+/**
+  * Class to retrieve the size and mimetype of images using Guzzle5
+  */
+class Guzzle5 implements ImageInfoInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function getImagesInfo(array $urls, array $config = null)
+    {
+        if ($config === null || !isset($config['client']) || !($config['client'] instanceof \GuzzleHttp\Client)) {
+            throw new \RuntimeException('Guzzle client not passed in config.');
+        }
+
+        $client = $config['client'];
+
+        // Build parallel requests
+        $requests = [];
+        foreach ($urls as $url) {
+            $requests[] = $client->createRequest('GET', $url['value']);
+        }
+
+        // Execute in parallel
+        $responses = Pool::batch($client, $requests);
+
+        // Build result set
+        $result = [];
+        foreach ($responses as $i => $response) {
+            if (($size = @getimagesizefromstring($response->getBody())) !== false) {
+                $result[] = [
+                    'width' => $size[0],
+                    'height' => $size[1],
+                    'size' => $size[0] * $size[1],
+                    'mime' => $size['mime'],
+                ] + $urls[$i];
+            }
+        }
+
+        return $result;
+    }
+}

tests/ImageInfoTest.php

@@ -1,17 +1,40 @@
 <?php
 class ImageInfoTest extends TestCaseBase
 {
+    const TEST_IMAGE_URL = 'http://www.mixdecultura.ro/wp-content/uploads/2013/03/galicia-locuinte-celtice.jpg';
+    const TEST_IMAGE_WIDTH = 600;
+    const TEST_IMAGE_HEIGHT = 408;
+    const TEST_IMAGE_SIZE = 244800;
+    const TEST_IMAGE_MIME = 'image/jpeg';
+
     public function testOne()
     {
         $info = Embed\ImageInfo\Curl::getImageInfo([
-            'value' => 'http://www.mixdecultura.ro/wp-content/uploads/2013/03/galicia-locuinte-celtice.jpg',
+            'value' => self::TEST_IMAGE_URL,
         ]);
 
         $this->assertEquals($info, [
-            'width' => 600,
-            'height' => 408,
-            'size' => 244800,
-            'mime' => 'image/jpeg',
+            'width' => self::TEST_IMAGE_WIDTH,
+            'height' => self::TEST_IMAGE_HEIGHT,
+            'size' => self::TEST_IMAGE_SIZE,
+            'mime' => self::TEST_IMAGE_MIME,
+        ]);
+    }
+
+    public function testGuzzle()
+    {
+        $info = Embed\ImageInfo\Guzzle5::getImagesInfo([[
+            'value' => self::TEST_IMAGE_URL,
+        ]], [
+            'client' => new \GuzzleHttp\Client(),
+        ]);
+
+        $this->assertEquals($info[0], [
+            'width' => self::TEST_IMAGE_WIDTH,
+            'height' => self::TEST_IMAGE_HEIGHT,
+            'size' => self::TEST_IMAGE_SIZE,
+            'mime' => self::TEST_IMAGE_MIME,
+            'value' => self::TEST_IMAGE_URL,
         ]);
     }
 }