class Node < ActiveRecord::Base
require 'xml/libxml'
set_table_name 'current_nodes'
+
validates_numericality_of :latitude
validates_numericality_of :longitude
has_many :old_nodes, :foreign_key => :id
belongs_to :user
-
def self.from_xml(xml, create=false)
p = XML::Parser.new
p.string = xml
def save_with_history
begin
Node.transaction do
+ self.timestamp = Time.now
self.save
old_node = OldNode.from_node(self)
old_node.save
end
def to_xml
- doc = XML::Document.new
- doc.encoding = 'UTF-8'
- root = XML::Node.new 'osm'
- root['version'] = '0.4'
- root['generator'] = 'OpenStreetMap server'
- doc.root = root
- root << to_xml_node()
+ doc = OSM::API.new.get_xml_doc
+ doc.root << to_xml_node()
return doc
end
- def to_xml_node
+ def to_xml_node(user_display_name_cache = nil)
el1 = XML::Node.new 'node'
el1['id'] = self.id.to_s
el1['lat'] = self.latitude.to_s
el1['lon'] = self.longitude.to_s
+
+ # el['user'] = self.user.display_name if self.user.data_public?
+ user_display_name_cache = {} if user_display_name_cache.nil?
+ 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'] = user_display_name_cache[self.user_id]
+
Node.split_tags(el1, self.tags)
el1['visible'] = self.visible.to_s
el1['timestamp'] = self.timestamp.xmlschema
key = parts[0].strip unless parts[0].nil?
val = parts[1].strip unless parts[1].nil?
if key != '' && val != ''
- el2 = Node.new('tag')
+ el2 = XML::Node.new('tag')
el2['k'] = key.to_s
el2['v'] = val.to_s
el << el2