-class OldNode < ActiveRecord::Base
+# == Schema Information
+#
+# Table name: nodes
+#
+# node_id :bigint(8) not null, primary key
+# latitude :integer not null
+# longitude :integer not null
+# changeset_id :bigint(8) not null
+# visible :boolean not null
+# timestamp :datetime not null
+# tile :bigint(8) not null
+# version :bigint(8) not null, primary key
+# redaction_id :integer
+#
+# Indexes
+#
+# nodes_changeset_id_idx (changeset_id)
+# nodes_tile_idx (tile)
+# nodes_timestamp_idx (timestamp)
+#
+# Foreign Keys
+#
+# nodes_changeset_id_fkey (changeset_id => changesets.id)
+# nodes_redaction_id_fkey (redaction_id => redactions.id)
+#
+
+class OldNode < ApplicationRecord
include GeoRecord
include ConsistencyValidations
- include ObjectMetadata
self.table_name = "nodes"
- self.primary_keys = "node_id", "version"
- # note this needs to be included after the table name changes, or
+ # 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
+ validates :changeset, :associated => true
+ validates :latitude, :presence => true,
+ :numericality => { :only_integer => true }
+ validates :longitude, :presence => true,
+ :numericality => { :only_integer => true }
+ validates :timestamp, :presence => true
+ validates :visible, :inclusion => [true, false]
+
validate :validate_position
- validates_associated :changeset
belongs_to :changeset
- belongs_to :redaction
- belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id"
+ belongs_to :redaction, :optional => true
+ belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id", :inverse_of => :old_nodes
- has_many :old_tags, :class_name => 'OldNodeTag', :foreign_key => [:node_id, :version]
+ has_many :old_tags, :class_name => "OldNodeTag", :query_constraints => [:node_id, :version], :inverse_of => :old_node
def validate_position
errors.add(:base, "Node is not in the world") unless in_world?
old_node
end
- def to_xml
- doc = OSM::API.new.get_xml_doc
- doc.root << to_xml_node
- doc
- end
-
- def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
- el = XML::Node.new 'node'
- el['id'] = node_id.to_s
-
- add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
-
- if self.visible?
- el['lat'] = lat.to_s
- el['lon'] = lon.to_s
- end
-
- add_tags_to_xml_node(el, old_tags)
-
- el
- end
-
def save_with_dependencies!
save!
end
def tags
- @tags ||= Hash[old_tags.collect { |t| [t.k, t.v] }]
+ @tags ||= old_tags.to_h { |t| [t.k, t.v] }
end
attr_writer :tags
# check whether this element is the latest version - that is,
# has the same version as its "current" counterpart.
- def is_latest_version?
+ def latest_version?
current_node.version == version
end
end