has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
- validates_presence_of :id, :on => :update
- validates_presence_of :timestamp, :version, :changeset_id
- validates_uniqueness_of :id
- validates_inclusion_of :visible, :in => [true, false]
- validates_numericality_of :id, :on => :update, :integer_only => true
- validates_numericality_of :changeset_id, :version, :integer_only => true
- validates_associated :changeset
+ validates :id, :uniqueness => true, :presence => { :on => :update },
+ :numericality => { :on => :update, :integer_only => true }
+ validates :version, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :changeset_id, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :timestamp, :presence => true
+ validates :changeset, :associated => true
+ validates :visible, :inclusion => [true, false]
scope :visible, -> { where(:visible => true) }
scope :invisible, -> { where(:visible => false) }
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)
+ TYPES = %w(node way relation).freeze
def self.from_xml(xml, create = false)
p = XML::Parser.string(xml)
pt.find("member").each do |member|
# member_type =
- logger.debug "each member"
fail OSM::APIBadXMLError.new("relation", pt, "The #{member['type']} is not allowed only, #{TYPES.inspect} allowed") unless TYPES.include? member["type"]
- logger.debug "after raise"
# member_ref = member['ref']
# member_role
member["role"] ||= "" # Allow the upload to not include this, in which case we default to an empty string.
- logger.debug member["role"]
relation.add_member(member["type"].classify, member["ref"], member["role"])
end
fail OSM::APIBadUserInput.new("Some bad xml in relation") if relation.nil?
el
end
- # FIXME is this really needed?
+ # FIXME: is this really needed?
def members
@members ||= relation_members.map do |member|
[member.member_type, member.member_id, member.member_role]
# provide repeatable reads for the used-by checks. this means it
# shouldn't be possible to get race conditions.
Relation.transaction do
- self.lock!
+ lock!
check_consistency(self, new_relation, user)
# This will check to see if this relation is used by another relation
- rel = RelationMember.joins(:relation).where("visible = ? AND member_type = 'Relation' and member_id = ? ", true, id).first
+ rel = RelationMember.joins(:relation).find_by("visible = ? AND member_type = 'Relation' and member_id = ? ", true, id)
fail OSM::APIPreconditionFailedError.new("The relation #{new_relation.id} is used in relation #{rel.relation.id}.") unless rel.nil?
self.changeset_id = new_relation.changeset_id
def update_from(new_relation, user)
Relation.transaction do
- self.lock!
+ lock!
check_consistency(self, new_relation, user)
unless new_relation.preconditions_ok?(members)
fail OSM::APIPreconditionFailedError.new("Cannot update relation #{id}: data or member data is invalid.")
def create_with_history(user)
check_create_consistency(self, user)
- unless self.preconditions_ok?
+ unless preconditions_ok?
fail OSM::APIPreconditionFailedError.new("Cannot create relation: data or member data is invalid.")
end
self.version = 0
# use reflection to look up the appropriate class
model = Kernel.const_get(m[0].capitalize)
- # get the element with that ID
- element = model.where(:id => m[1]).first
+ # get the element with that ID. and, if found, lock the element to
+ # ensure it can't be deleted until after the current transaction
+ # commits.
+ element = model.lock("for share").find_by(:id => m[1])
# and check that it is OK to use.
unless element && element.visible? && element.preconditions_ok?
true
end
- # Temporary method to match interface to nodes
- def tags_as_hash
- tags
- end
-
##
# if any members are referenced by placeholder IDs (i.e: negative) then
# this calling this method will fix them using the map from placeholders
t = Time.now.getutc
self.version += 1
self.timestamp = t
- self.save!
+ save!
tags = self.tags.clone
relation_tags.each do |old_tag|
end
# if there are left-over tags then they are new and will have to
# be added.
- tags_changed |= (!tags.empty?)
+ tags_changed |= !tags.empty?
RelationTag.delete_all(:relation_id => id)
self.tags.each do |k, v|
tag = RelationTag.new
# materially change the rest of the relation.
any_relations =
changed_members.collect { |_id, type| type == "relation" }
- .inject(false) { |a, e| a || e }
+ .inject(false) { |a, e| a || e }
update_members = if tags_changed || any_relations
# add all non-relation bounding boxes to the changeset