def save_with_history
begin
Node.transaction do
+ self.timestamp = Time.now
self.save
old_node = OldNode.from_node(self)
old_node.save
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
- el1['user'] = self.user.display_name if self.user.data_public?
+
+ # 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