+# == Schema Information
+#
+# Table name: nodes
+#
+# node_id :integer not null, primary key
+# latitude :integer not null
+# longitude :integer not null
+# changeset_id :integer not null
+# visible :boolean not null
+# timestamp :datetime not null
+# tile :integer not null
+# version :integer 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 < ActiveRecord::Base
- set_table_name 'nodes'
+ 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
+ # the queries generated by Redactable will use the wrong table name.
+ include Redactable
+
+ validates :changeset, :presence => true, :associated => true
+ validates :latitude, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :longitude, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :timestamp, :presence => true
+ validates :visible, :inclusion => [true, false]
+
+ validate :validate_position
+
+ belongs_to :changeset
+ belongs_to :redaction
+ belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id"
+
+ has_many :old_tags, :class_name => "OldNodeTag", :foreign_key => [:node_id, :version]
- belongs_to :user
+ def validate_position
+ errors.add(:base, "Node is not in the world") unless in_world?
+ end
def self.from_node(node)
old_node = OldNode.new
old_node.latitude = node.latitude
old_node.longitude = node.longitude
- old_node.visible = 1
+ 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
- return old_node
+ old_node.changeset_id = node.changeset_id
+ old_node.node_id = node.id
+ old_node.version = node.version
+ 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 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!
+
+ tags.each do |k, v|
+ tag = OldNodeTag.new
+ tag.k = k
+ tag.v = v
+ tag.node_id = node_id
+ tag.version = version
+ tag.save!
+ end
+ end
+
+ def tags
+ @tags ||= Hash[old_tags.collect { |t| [t.k, t.v] }]
+ end
+
+ attr_writer :tags
+
+ def tags_as_hash
+ tags
+ end
+
+ # Pretend we're not in any ways
+ def ways
+ []
+ end
+
+ # Pretend we're not in any relations
+ def containing_relation_members
+ []
+ end
+
+ # 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 == version
+ end
end