Merge pull request #589 from LearningLocker/issue/attachment-migration

Fix for missing dir path on attachment migration

Author: ryasmi

app/database/migrations/2015_03_31_130813_attachment_rename.php

@@ -31,6 +31,10 @@ public function up() {
   }
 
   private function getDirectores($path) {
+    //return blank if path does not exist
+    if (!file_exists($path)) return [];
+    
+    //scan through path and return all directories 
     return array_values(array_filter(scandir($path), function ($name) use ($path) {
       return $name[0] !== '.' && is_dir($path.'/'.$name);
     }));