class OldNode < ActiveRecord::Base
include GeoRecord
+ include ConsistencyValidations
+ include ObjectMetadata
- set_table_name 'nodes'
-
- validates_presence_of :user_id, :timestamp
+ self.table_name = "nodes"
+ self.primary_keys = "node_id", "version"
+
+ # note this needs to be included after the table name changes, or
+ # the queries generated by Redactable will use the wrong table name.
+ include Redactable
+
+ validates_presence_of :changeset_id, :timestamp
validates_inclusion_of :visible, :in => [ true, false ]
validates_numericality_of :latitude, :longitude
validate :validate_position
+ validates_associated :changeset
- belongs_to :user
-
- def validate_position
- errors.add_to_base("Node is not in the world") unless in_world?
- end
+ belongs_to :changeset
+ belongs_to :redaction
+ belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id"
- def in_world?
- return false if self.lat < -90 or self.lat > 90
- return false if self.lon < -180 or self.lon > 180
- return true
+ has_many :old_tags, :class_name => 'OldNodeTag', :foreign_key => [:node_id, :version]
+
+ def validate_position
+ errors.add(:base, "Node is not in the world") unless in_world?
end
def self.from_node(node)
old_node.visible = node.visible
old_node.tags = node.tags
old_node.timestamp = node.timestamp
- old_node.user_id = node.user_id
- old_node.id = node.id
+ old_node.changeset_id = node.changeset_id
+ old_node.node_id = node.id
+ old_node.version = node.version
return old_node
end
+
+ def to_xml
+ doc = OSM::API.new.get_xml_doc
+ doc.root << to_xml_node()
+ return doc
+ end
+
+ def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
+ el = XML::Node.new 'node'
+ el['id'] = self.node_id.to_s
+
+ add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
- def to_xml_node
- el1 = XML::Node.new 'node'
- el1['id'] = self.id.to_s
- el1['lat'] = self.lat.to_s
- el1['lon'] = self.lon.to_s
- el1['user'] = self.user.display_name if self.user.data_public?
+ if self.visible?
+ el['lat'] = self.lat.to_s
+ el['lon'] = self.lon.to_s
+ end
+
+ add_tags_to_xml_node(el, self.old_tags)
+
+ return el
+ end
- Tags.split(self.tags) do |k,v|
- el2 = XML::Node.new('tag')
- el2['k'] = k.to_s
- el2['v'] = v.to_s
- el1 << el2
+ def save_with_dependencies!
+ save!
+
+ self.tags.each do |k,v|
+ tag = OldNodeTag.new
+ tag.k = k
+ tag.v = v
+ tag.node_id = self.node_id
+ tag.version = self.version
+ tag.save!
end
+ end
+
+ def tags
+ @tags ||= Hash[self.old_tags.collect { |t| [t.k, t.v] }]
+ end
+
+ def tags=(t)
+ @tags = t
+ end
+
+ def tags_as_hash
+ return self.tags
+ end
+
+ # Pretend we're not in any ways
+ def ways
+ return []
+ end
+
+ # Pretend we're not in any relations
+ def containing_relation_members
+ return []
+ end
- el1['visible'] = self.visible.to_s
- el1['timestamp'] = self.timestamp.xmlschema
- return el1
+ # check whether this element is the latest version - that is,
+ # has the same version as its "current" counterpart.
+ def is_latest_version?
+ current_node.version == self.version
end
end