<p>In app/models/old_way.rb:</p>
<pre style='color:#555'>> -
> -    user_id = changeset_cache[self.changeset_id]
> -
> -    if user_display_name_cache.key?(user_id)
> -      # use the cache if available
> -    elsif self.changeset.user.data_public?
> -      user_display_name_cache[user_id] = self.changeset.user.display_name
> -    else
> -      user_display_name_cache[user_id] = nil
> -    end
> -
> -    if not user_display_name_cache[user_id].nil?
> -      el1['user'] = user_display_name_cache[user_id]
> -      el1['uid'] = user_id.to_s
> -    end
> +    ObjectMetadata::add_metadata_to_xml_node(el1, self, changeset_cache, user_display_name_cache)
</pre>
<p>Rather than using <code>ObjectMetadata::add_metadata_to_xml_node</code> here add <code>include ObjectMetadata</code> at the top and then just use <code>add_metadata_to_xml_node</code> instead - there are several other modules being pulled in like that already.</p>

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