Contents

require "active_record/associations/through_association_scope"

module ActiveRecord
  # = Active Record Has One Through Association
  module Associations
    class HasOneThroughAssociation < HasOneAssociation
      include ThroughAssociationScope

      def replace(new_value)
        create_through_record(new_value)
        @target = new_value
      end

      private

      def create_through_record(new_value) #nodoc:
        klass = @reflection.through_reflection.klass

        current_object = @owner.send(@reflection.through_reflection.name)

        if current_object
           new_value ? current_object.update_attributes(construct_join_attributes(new_value)) : current_object.destroy
        elsif new_value
          if @owner.new_record?
            self.target = new_value
            through_association = @owner.send(:association_instance_get, @reflection.through_reflection.name)
            through_association.build(construct_join_attributes(new_value))
          else
            @owner.send(@reflection.through_reflection.name, klass.create(construct_join_attributes(new_value)))
          end
        end
      end

    private
      def find_target
        with_scope(construct_scope) { @reflection.klass.find(:first) }
      end
    end
  end
end

Version data entries

38 entries across 38 versions & 2 rubygems

Version	Path
activerecord-3.0.20	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.19	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.18	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.17	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.16	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.15	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.14	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.13	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.13.rc1	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.12	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.12.rc1	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.11	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.10	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.10.rc1	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.9	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.9.rc5	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.9.rc4	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.9.rc3	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.9.rc1	lib/active_record/associations/has_one_through_association.rb
activerecord-3.0.8	lib/active_record/associations/has_one_through_association.rb