class OldSegmentController < ApplicationController require 'xml/libxml' def history begin segment = Segment.find(params[:id]) doc = OSM::API.new.get_xml_doc segment.old_segments.each do |old_segment| doc.root << old_segment.to_xml_node end render :text => doc.to_s, :content_type => "text/xml" rescue ActiveRecord::RecordNotFound render :nothing => true, :status => :not_found rescue render :nothing => true, :status => :internal_server_error end end end