#
# Table name: current_relations
#
-# id :integer not null, primary key
-# changeset_id :integer not null
+# id :bigint(8) not null, primary key
+# changeset_id :bigint(8) not null
# timestamp :datetime not null
# visible :boolean not null
-# version :integer not null
+# version :bigint(8) not null
#
# Indexes
#
# current_relations_changeset_id_fkey (changeset_id => changesets.id)
#
-class Relation < ActiveRecord::Base
+class Relation < ApplicationRecord
require "xml/libxml"
include ConsistencyValidations
has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
validates :id, :uniqueness => true, :presence => { :on => :update },
- :numericality => { :on => :update, :integer_only => true }
+ :numericality => { :on => :update, :only_integer => true }
validates :version, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
validates :changeset_id, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
validates :timestamp, :presence => true
validates :changeset, :associated => true
validates :visible, :inclusion => [true, false]
def self.from_xml(xml, create = false)
p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
doc = p.parse
+ pt = doc.find_first("//osm/relation")
- doc.find("//osm/relation").each do |pt|
- return Relation.from_xml_node(pt, create)
+ if pt
+ Relation.from_xml_node(pt, create)
+ else
+ raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/relation element.")
end
- raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/relation element.")
- rescue LibXML::XML::Error, ArgumentError => ex
- raise OSM::APIBadXMLError.new("relation", xml, ex.message)
+ rescue LibXML::XML::Error, ArgumentError => e
+ raise OSM::APIBadXMLError.new("relation", xml, e.message)
end
def self.from_xml_node(pt, create = false)
relation
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 "relation"
- el["id"] = id.to_s
-
- add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
-
- relation_members.each do |member|
- member_el = XML::Node.new "member"
- member_el["type"] = member.member_type.downcase
- member_el["ref"] = member.member_id.to_s
- member_el["role"] = member.member_role
- el << member_el
- end
-
- add_tags_to_xml_node(el, relation_tags)
-
- el
- end
-
# FIXME: is this really needed?
def members
@members ||= relation_members.map do |member|
@tags ||= Hash[relation_tags.collect { |t| [t.k, t.v] }]
end
- attr_writer :members
-
- attr_writer :tags
+ attr_writer :members, :tags
def add_member(type, id, role)
@members ||= []
def fix_placeholders!(id_map, placeholder_id = nil)
members.map! do |type, id, role|
old_id = id.to_i
- if old_id < 0
+ if old_id.negative?
new_id = id_map[type.downcase.to_sym][old_id]
raise OSM::APIBadUserInput, "Placeholder #{type} not found for reference #{old_id} in relation #{self.id.nil? ? placeholder_id : self.id}." if new_id.nil?
# reasonable on the assumption that adding or removing members doesn't
# materially change the rest of the relation.
any_relations =
- changed_members.collect { |_id, type| type == "relation" }
+ changed_members.collect { |type, _id, _role| type == "Relation" }
.inject(false) { |acc, elem| acc || elem }
- update_members = if tags_changed || any_relations
+ # if the relation is being deleted tags_changed will be true and members empty
+ # so we need to use changed_members to create a correct bounding box
+ update_members = if visible && (tags_changed || any_relations)
# add all non-relation bounding boxes to the changeset
# FIXME: check for tag changes along with element deletions and
# make sure that the deleted element's bounding box is hit.