Edit uploaded package

app/models/design/design_file.rb

@@ -4,7 +4,14 @@ class DesignFile
 
   mount_uploader :file, AssetUploader
   
-  field :to_save, :type => Boolean
-  field :to_destroy, :type => Boolean
+  field :name
+
+  before_save :set_name
+  
+  protected
+  
+  def set_name
+    self.name = self.file_identifier
+  end
 
 end