Make the depth and length passable via config

config/config.php

@@ -53,4 +53,14 @@
      * Whether to delete files when a model is soft deleted.
      */
     'keep_files_when_soft_deleted' => false,
+
+    /**
+     * How deep to nest files within subdirectories
+     */
+    'depth' => 2,
+
+    /**
+     * How many folders will be created in each depth
+     */
+    'length' => 16,
 ];

src/ServiceProvider.php

@@ -83,7 +83,12 @@ public function register() {
 
         // Instantiate storage class
         $this->app->singleton('upchuck.storage', function($app) {
-            return new Storage($app['upchuck.manager'], $app['upchuck']);
+            return new Storage(
+                $app['upchuck.manager'],
+                $app['upchuck'],
+                $app['config']->get('upchuck.depth'),
+                $app['config']->get('upchuck.length')
+            );
         });
 
     }

src/Storage.php

@@ -15,32 +15,34 @@ class Storage {
      *
      * @var integer
      */
-    private $depth = 2;
+    protected $depth;
 
     /**
      * How many folders are in each depth
      *
      * @var integer
      */
-    private $length = 16;
+    protected $length;
 
     /**
      * @var Bkwld\Upchuck\Helpers
      */
-    private $helpers;
+    protected $helpers;
 
     /**
      * @var League\Flysystem\MountManager
      */
-    private $manager;
-
+    protected $manager;
 
     /**
      * Dependency injection
      */
-    public function __construct(MountManager $manager, Helpers $helpers) {
+    public function __construct(MountManager $manager, Helpers $helpers,
+        $depth, $length) {
         $this->manager = $manager;
         $this->helpers = $helpers;
+        $this->depth = $depth;
+        $this->length = $length;
     }
 
     /**