1 class OldNode < ActiveRecord::Base
3 include ConsistencyValidations
5 self.table_name = "nodes"
6 self.primary_keys = "node_id", "version"
8 # note this needs to be included after the table name changes, or
9 # the queries generated by Redactable will use the wrong table name.
12 validates_presence_of :changeset_id, :timestamp
13 validates_inclusion_of :visible, :in => [ true, false ]
14 validates_numericality_of :latitude, :longitude
15 validate :validate_position
16 validates_associated :changeset
20 belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id"
23 errors.add(:base, "Node is not in the world") unless in_world?
26 def self.from_node(node)
27 old_node = OldNode.new
28 old_node.latitude = node.latitude
29 old_node.longitude = node.longitude
30 old_node.visible = node.visible
31 old_node.tags = node.tags
32 old_node.timestamp = node.timestamp
33 old_node.changeset_id = node.changeset_id
34 old_node.node_id = node.id
35 old_node.version = node.version
40 doc = OSM::API.new.get_xml_doc
41 doc.root << to_xml_node()
46 el1 = XML::Node.new 'node'
47 el1['id'] = self.node_id.to_s
48 unless self.redacted? and (@user.nil? or not @user.moderator?)
49 self.tags.each do |k,v|
50 el2 = XML::Node.new('tag')
55 el1['lat'] = self.lat.to_s
56 el1['lon'] = self.lon.to_s
59 el1['changeset'] = self.changeset.id.to_s
60 if self.changeset.user.data_public?
61 el1['user'] = self.changeset.user.display_name
62 el1['uid'] = self.changeset.user.id.to_s
67 el1['visible'] = self.visible.to_s
68 el1['timestamp'] = self.timestamp.xmlschema
69 el1['version'] = self.version.to_s
71 el1['redacted'] = self.redaction.title
76 def save_with_dependencies!
78 #not sure whats going on here
79 clear_aggregation_cache
80 clear_association_cache
82 @attributes.update(OldNode.where(:node_id => self.node_id, :timestamp => self.timestamp, :version => self.version).first.instance_variable_get('@attributes'))
84 self.tags.each do |k,v|
88 tag.node_id = self.node_id
89 tag.version = self.version
97 OldNodeTag.where(:node_id => self.node_id, :version => self.version).each do |tag|
101 @tags = Hash.new unless @tags
113 # Pretend we're not in any ways
118 # Pretend we're not in any relations
119 def containing_relation_members
123 # check whether this element is the latest version - that is,
124 # has the same version as its "current" counterpart.
125 def is_latest_version?
126 current_node.version == self.version