X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/f04211b1722e27037b305b58479157b5a492f30a..c59471842f064e5add5c5203134d27e1c48e20d3:/app/models/old_way.rb diff --git a/app/models/old_way.rb b/app/models/old_way.rb index 63c4d8b65..7af8906b1 100644 --- a/app/models/old_way.rb +++ b/app/models/old_way.rb @@ -1,11 +1,32 @@ -class OldWay < ActiveRecord::Base +# == Schema Information +# +# Table name: ways +# +# way_id :bigint(8) default(0), not null, primary key +# changeset_id :bigint(8) not null +# timestamp :datetime not null +# version :bigint(8) not null, primary key +# visible :boolean default(TRUE), not null +# redaction_id :integer +# +# Indexes +# +# ways_changeset_id_idx (changeset_id) +# ways_timestamp_idx (timestamp) +# +# Foreign Keys +# +# ways_changeset_id_fkey (changeset_id => changesets.id) +# ways_redaction_id_fkey (redaction_id => redactions.id) +# + +class OldWay < ApplicationRecord include ConsistencyValidations - include ObjectMetadata self.table_name = "ways" self.primary_keys = "way_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 @@ -59,62 +80,10 @@ class OldWay < ActiveRecord::Base 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 :nds - - attr_writer :tags - - def to_xml_node(changeset_cache = {}, user_display_name_cache = {}) - el = XML::Node.new "way" - el["id"] = way_id.to_s - - add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache) - - old_nodes.each do |nd| # FIXME: need to make sure they come back in the right order - node_el = XML::Node.new "nd" - node_el["ref"] = nd.node_id.to_s - el << node_el - end - - add_tags_to_xml_node(el, old_tags) - - el - end - - # Read full version of old way - # For get_nodes_undelete, uses same nodes, even if they've moved since - # For get_nodes_revert, allocates new ids - # Currently returns Potlatch-style array - # where [5] indicates whether latest version is usable as is (boolean) - # (i.e. is it visible? are we actually reverting to an earlier version?) - - def get_nodes_undelete - nds.collect do |n| - node = Node.find(n) - [node.lon, node.lat, n, node.version, node.tags_as_hash, node.visible] - end - end - - def get_nodes_revert(timestamp) - points = [] - nds.each do |n| - 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 || oldnode.lon != curnode.lon || oldnode.tags != curnode.tags - # node has changed: if it's in other ways, give it a new id - if curnode.ways - [way_id] - id = -1 - reuse = false - end - end - points << [oldnode.lon, oldnode.lat, id, curnode.version, oldnode.tags_as_hash, reuse] - end - points - end + attr_writer :nds, :tags # Temporary method to match interface to ways def way_nodes