+ require 'xml/libxml'
+
+ before_filter :check_api_readable
+ after_filter :compress_output
+ around_filter :api_call_handle_error, :api_call_timeout
+
+ def history
+ node = Node.find(params[:id])
+
+ doc = OSM::API.new.get_xml_doc
+
+ node.old_nodes.each do |old_node|
+ doc.root << old_node.to_xml_node
+ end
+
+ render :text => doc.to_s, :content_type => "text/xml"
+ end
+
+ def version
+ old_node = OldNode.find(:first, :conditions => {:id => params[:id], :version => params[:version]} )
+ if old_node.nil?
+ # (RecordNotFound is not raised with find :first...)
+ render :nothing => true, :status => :not_found
+ return
+ end
+
+ response.headers['Last-Modified'] = old_node.timestamp.rfc822
+
+ doc = OSM::API.new.get_xml_doc
+ doc.root << old_node.to_xml_node
+
+ render :text => doc.to_s, :content_type => "text/xml"
+ end