+ if user_display_name_cache and user_display_name_cache[self.user_id]
+ # use the cache if available
+ else
+ user_display_name_cache[self.user_id] = self.user.display_name
+ end
+
+ #el1['user'] = self.user.display_name if self.user.data_public?
+ el1['user'] = user_display_name_cache[self.user_id]
+