X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/2df3605142e73ef38c1ad307cbbd5437770b8d96..fb4ea1a02ac5dc1b0ef444e0d63fafa8f756fa8d:/app/models/relation.rb diff --git a/app/models/relation.rb b/app/models/relation.rb index ed37d159a..d2490dbae 100644 --- a/app/models/relation.rb +++ b/app/models/relation.rb @@ -33,7 +33,7 @@ class Relation < ActiveRecord::Base scope :ways, ->(*ids) { joins(:relation_members).where(:current_relation_members => { :member_type => "Way", :member_id => ids.flatten }) } scope :relations, ->(*ids) { joins(:relation_members).where(:current_relation_members => { :member_type => "Relation", :member_id => ids.flatten }) } - TYPES = %w(node way relation).freeze + TYPES = %w[node way relation].freeze def self.from_xml(xml, create = false) p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR) @@ -281,15 +281,19 @@ class Relation < ActiveRecord::Base private def save_with_history! + t = Time.now.getutc + + self.version += 1 + self.timestamp = t + Relation.transaction do # have to be a little bit clever here - to detect if any tags # changed then we have to monitor their before and after state. tags_changed = false - t = Time.now.getutc - self.version += 1 - self.timestamp = t - save! + # clone the object before saving it so that the original is + # still marked as dirty if we retry the transaction + clone.save! tags = self.tags.clone relation_tags.each do |old_tag| @@ -313,7 +317,7 @@ class Relation < ActiveRecord::Base # if there are left-over tags then they are new and will have to # be added. tags_changed |= !tags.empty? - RelationTag.delete_all(:relation_id => id) + RelationTag.where(:relation_id => id).delete_all self.tags.each do |k, v| tag = RelationTag.new tag.relation_id = id @@ -343,7 +347,7 @@ class Relation < ActiveRecord::Base # members may be in a different order and i don't feel like implementing # a longest common subsequence algorithm to optimise this. members = self.members - RelationMember.delete_all(:relation_id => id) + RelationMember.where(:relation_id => id).delete_all members.each_with_index do |m, i| mem = RelationMember.new mem.relation_id = id @@ -370,7 +374,7 @@ class Relation < ActiveRecord::Base # materially change the rest of the relation. any_relations = changed_members.collect { |_id, type| type == "relation" } - .inject(false) { |a, e| a || e } + .inject(false) { |acc, elem| acc || elem } update_members = if tags_changed || any_relations # add all non-relation bounding boxes to the changeset