Better attachment handling.

app/Helpers/Attachments/AttachmentHelper.php

@@ -60,11 +60,15 @@ class AttachmentHelper implements AttachmentHelperInterface
     {
         $files = Input::file('attachments');
 
+        if (is_array($files)) {
             foreach ($files as $entry) {
                 if (!is_null($entry)) {
                     $this->processFile($entry, $model);
                 }
             }
+        } else {
+            $this->processFile($files, $model);
+        }
 
         return true;
     }

app/Http/Controllers/AttachmentController.php

@@ -119,6 +119,8 @@ class AttachmentController extends Controller
 
     /**
      * @param Attachment $attachment
+     *
+     * @return \Illuminate\Http\Response
      */
     public function preview(Attachment $attachment)
     {