From a9f97363ce6c986e68b3da714a988d04ede872f2 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.net>
Date: Sat, 17 May 2014 11:45:16 +0200
Subject: [PATCH] added imagecache route to serviceprovider

---
 .../Image/ImageServiceProvider.php            | 69 +++++++++++++++++--
 1 file changed, 65 insertions(+), 4 deletions(-)

diff --git a/src/Intervention/Image/ImageServiceProvider.php b/src/Intervention/Image/ImageServiceProvider.php
index 26e4999e..7f0fae12 100644
--- a/src/Intervention/Image/ImageServiceProvider.php
+++ b/src/Intervention/Image/ImageServiceProvider.php
@@ -1,6 +1,7 @@
 <?php namespace Intervention\Image;
 
 use Illuminate\Support\ServiceProvider;
+use Illuminate\Http\Response;
 
 class ImageServiceProvider extends ServiceProvider {
 
@@ -29,11 +30,71 @@ class ImageServiceProvider extends ServiceProvider {
 	public function register()
 	{
 		$app = $this->app;
-		$app['image'] = $app->share(
-            function ($app) {
-                return new ImageManager($app['config']);
+
+		$app['image'] = $app->share(function ($app) {
+			return new ImageManager($app['config']);
+		});
+
+		// try to create imagecache route only if imagecache is present
+        if (class_exists('Intervention\Image\ImageCache')) {
+
+            // load imagecache config
+            $app['config']->package('intervention/imagecache', __DIR__.'/../../../../imagecache/src/config', 'imagecache');
+            $config = $app['config'];
+
+            // create dynamic manipulation route
+            if (is_string($config->get('imagecache::route'))) {
+
+                // add original to route templates
+                $config->set('imagecache::templates.original', null);
+
+                // setup image manipulator route
+                $app['router']->get($config->get('imagecache::route').'/{template}/{filename}', array('as' => 'imagecache', function ($template, $filename) use ($app, $config) {
+
+                    // find file
+                    foreach ($config->get('imagecache::paths') as $path) {
+                        $image_path = $path.'/'.$filename;
+                        if (file_exists($image_path) && is_file($image_path)) {
+                            break;
+                        } else {
+                            $image_path = false;
+                        }
+                    }
+
+                    // abort if file not found
+                    if ($image_path === false) {
+                        $app->abort(404);
+                    }
+
+                    // define template callback
+                    $callback = $config->get("imagecache::templates.{$template}");
+
+                    if (is_callable($callback)) {
+
+                        // image manipulation based on callback
+                        $content = $app['image']->cache(function ($image) use ($image_path, $callback) {
+                            return $callback($image->make($image_path));
+                        }, $config->get('imagecache::lifetime'));
+
+                    } else {
+
+                        // get original image file contents
+                        $content = file_get_contents($image_path);
+                    }
+
+                    // define mime type
+                    $mime = finfo_buffer(finfo_open(FILEINFO_MIME_TYPE), $content);
+
+                    // return http response
+                    return new Response($content, 200, array(
+                        'Content-Type' => $mime,
+                        'Cache-Control' => 'max-age='.($config->get('imagecache::lifetime')*60).', public',
+                        'Etag' => md5($content)
+                    ));
+
+                }))->where(array('template' => join('|', array_keys($config->get('imagecache::templates'))), 'filename' => '^[\/\w.-]+$'));
             }
-        );
+        }
 	}
 
 	/**