class OldWay < ActiveRecord::Base
include ConsistencyValidations
-
- set_table_name 'ways'
- set_primary_keys :way_id, :version
+ include Redactable
+
+ self.table_name = "ways"
+ self.primary_keys = "way_id", "version"
belongs_to :changeset
+ belongs_to :redaction
+ belongs_to :current_way, :class_name => "Way", :foreign_key => "way_id"
has_many :old_nodes, :class_name => 'OldWayNode', :foreign_key => [:way_id, :version]
has_many :old_tags, :class_name => 'OldWayTag', :foreign_key => [:way_id, :version]
id = n; reuse = curnode.visible
if oldnode.lat != curnode.lat or oldnode.lon != curnode.lon or oldnode.tags != curnode.tags then
# node has changed: if it's in other ways, give it a new id
- if curnode.ways-[self.node_id] then id=-1; reuse=false end
+ if curnode.ways-[self.way_id] then id=-1; reuse=false end
end
points << [oldnode.lon, oldnode.lat, id, curnode.version, oldnode.tags_as_hash, reuse]
end
def containing_relation_members
return []
end
+
+ # check whether this element is the latest version - that is,
+ # has the same version as its "current" counterpart.
+ def is_latest_version?
+ current_way.version == self.version
+ end
end