1 files changed, 7 insertions, 0 deletions
diff --git a/app/models/generic_file.rb b/app/models/generic_file.rb
index 04c06df..24680af 100644
--- a/app/models/generic_file.rb
+++ b/app/models/generic_file.rb
@@ -42,6 +42,13 @@ class GenericFile < ActiveRecord::Base
     end
   end
 
+  def file_extension
+    mime_type = Mime::LOOKUP[self.file_type]
+    if mime_type.class == Mime::Type
+      return mime_type.symbol
+    end
+  end
+
   private
   def determine_file_type
     if self.file_changed?