+
+ def history
+ node = Node.find(params[:id])
+
+ unless node
+ render :nothing => true, :staus => 404
+ return
+ end
+
+ doc = XML::Document.new
+ doc.encoding = 'UTF-8'
+ root = XML::Node.new 'osm'
+ root['version'] = '0.4'
+ root['generator'] = 'OpenStreetMap server'
+ doc.root = root
+
+ node.old_nodes.each do |old_node|
+ el1 = XML::Node.new 'node'
+ el1['id'] = old_node.id.to_s
+ el1['lat'] = old_node.latitude.to_s
+ el1['lon'] = old_node.longitude.to_s
+ Node.split_tags(el1, old_node.tags)
+ el1['visible'] = old_node.visible.to_s
+ el1['timestamp'] = old_node.timestamp.xmlschema
+ root << el1
+ end
+
+ render :text => doc.to_s
+ end