class OldWay < ActiveRecord::Base
include ConsistencyValidations
-
- set_table_name 'ways'
- set_primary_keys :way_id, :version
+ include ObjectMetadata
+
+ self.table_name = "ways"
+ self.primary_keys = "way_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
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]
def nds
unless @nds
@nds = Array.new
- OldWayNode.where(:way_id => self.way_id, :version => self.version).order(:sequence_id).each do |nd|
+ self.old_nodes.order(:sequence_id).each do |nd|
@nds += [nd.node_id]
end
end
def tags
unless @tags
@tags = Hash.new
- OldWayTag.where(:way_id => self.way_id, :version => self.version).each do |tag|
+ self.old_tags.each do |tag|
@tags[tag.k] = tag.v
end
end
@tags = t
end
- def to_xml_node
- el1 = XML::Node.new 'way'
- el1['id'] = self.way_id.to_s
- el1['visible'] = self.visible.to_s
- el1['timestamp'] = self.timestamp.xmlschema
- if self.changeset.user.data_public?
- el1['user'] = self.changeset.user.display_name
- el1['uid'] = self.changeset.user.id.to_s
- end
- el1['version'] = self.version.to_s
- el1['changeset'] = self.changeset.id.to_s
-
+ def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
+ el = XML::Node.new 'way'
+ el['id'] = self.way_id.to_s
+
+ add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
+
self.old_nodes.each do |nd| # FIXME need to make sure they come back in the right order
- e = XML::Node.new 'nd'
- e['ref'] = nd.node_id.to_s
- el1 << e
- end
-
- self.old_tags.each do |tag|
- e = XML::Node.new 'tag'
- e['k'] = tag.k
- e['v'] = tag.v
- el1 << e
+ node_el = XML::Node.new 'nd'
+ node_el['ref'] = nd.node_id.to_s
+ el << node_el
end
- return el1
+
+ add_tags_to_xml_node(el, self.old_tags)
+
+ return el
end
# Read full version of old way
def get_nodes_revert(timestamp)
points=[]
self.nds.each do |n|
- oldnode = OldNode.where('node_id = ? AND timestamp <= ?', n, timestamp).order("timestamp DESC").first
+ oldnode = OldNode.where('node_id = ? AND timestamp <= ?', n, timestamp).unredacted.order("timestamp DESC").first
curnode = Node.find(n)
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