X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/d82f9d12ce55a0287361ed4f93cd97e896778a35..87918595da1e1fad2ddd7aa62f9fc537dff657ff:/app/models/relation.rb diff --git a/app/models/relation.rb b/app/models/relation.rb index 4c80be210..545336793 100644 --- a/app/models/relation.rb +++ b/app/models/relation.rb @@ -33,10 +33,10 @@ 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) + p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR) doc = p.parse doc.find("//osm/relation").each do |pt| @@ -60,7 +60,7 @@ class Relation < ActiveRecord::Base relation.id = pt["id"].to_i # .to_i will return 0 if there is no number that can be parsed. # We want to make sure that there is no id with zero anyway - raise OSM::APIBadUserInput.new("ID of relation cannot be zero when updating.") if relation.id.zero? + raise OSM::APIBadUserInput, "ID of relation cannot be zero when updating." if relation.id.zero? end # We don't care about the timestamp nor the visibility as these are either @@ -92,7 +92,7 @@ class Relation < ActiveRecord::Base member["role"] ||= "" # Allow the upload to not include this, in which case we default to an empty string. relation.add_member(member["type"].classify, member["ref"], member["role"]) end - raise OSM::APIBadUserInput.new("Some bad xml in relation") if relation.nil? + raise OSM::APIBadUserInput, "Some bad xml in relation" if relation.nil? relation end @@ -155,7 +155,7 @@ class Relation < ActiveRecord::Base end def add_tag_keyval(k, v) - @tags = {} unless @tags + @tags ||= {} # duplicate tags are now forbidden, so we can't allow values # in the hash to be overwritten. @@ -187,7 +187,7 @@ class Relation < ActiveRecord::Base check_consistency(self, new_relation, user) # This will check to see if this relation is used by another relation rel = RelationMember.joins(:relation).find_by("visible = ? AND member_type = 'Relation' and member_id = ? ", true, id) - raise OSM::APIPreconditionFailedError.new("The relation #{new_relation.id} is used in relation #{rel.relation.id}.") unless rel.nil? + raise OSM::APIPreconditionFailedError, "The relation #{new_relation.id} is used in relation #{rel.relation.id}." unless rel.nil? self.changeset_id = new_relation.changeset_id self.tags = {} @@ -202,7 +202,7 @@ class Relation < ActiveRecord::Base lock! check_consistency(self, new_relation, user) unless new_relation.preconditions_ok?(members) - raise OSM::APIPreconditionFailedError.new("Cannot update relation #{id}: data or member data is invalid.") + raise OSM::APIPreconditionFailedError, "Cannot update relation #{id}: data or member data is invalid." end self.changeset_id = new_relation.changeset_id self.changeset = new_relation.changeset @@ -216,7 +216,7 @@ class Relation < ActiveRecord::Base def create_with_history(user) check_create_consistency(self, user) unless preconditions_ok? - raise OSM::APIPreconditionFailedError.new("Cannot create relation: data or member data is invalid.") + raise OSM::APIPreconditionFailedError, "Cannot create relation: data or member data is invalid." end self.version = 0 self.visible = true @@ -253,7 +253,7 @@ class Relation < ActiveRecord::Base # and check that it is OK to use. unless element && element.visible? && element.preconditions_ok? - raise OSM::APIPreconditionFailedError.new("Relation with id #{id} cannot be saved due to #{m[0]} with id #{m[1]}") + raise OSM::APIPreconditionFailedError, "Relation with id #{id} cannot be saved due to #{m[0]} with id #{m[1]}" end hash[m[1]] = true end @@ -270,7 +270,7 @@ class Relation < ActiveRecord::Base old_id = id.to_i if old_id < 0 new_id = id_map[type.downcase.to_sym][old_id] - raise OSM::APIBadUserInput.new("Placeholder #{type} not found for reference #{old_id} in relation #{self.id.nil? ? placeholder_id : self.id}.") if new_id.nil? + raise OSM::APIBadUserInput, "Placeholder #{type} not found for reference #{old_id} in relation #{self.id.nil? ? placeholder_id : self.id}." if new_id.nil? [type, new_id, role] else [type, id, role] @@ -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