rails-stall/stall

# Allows copying
module Stall
  module Addresses
    class CopySourceToTarget < Stall::Addresses::CopierBase
      def copy!
        copy
        target.save!
      end

      def copy
        copy_address(:shipping)
        copy_address(:billing)
      end

      private

      # Update or create target address with source attributes
      #
      def copy_address(type)
        source.with_actual_address_associations do
          target.with_actual_address_associations do
            address = if target.send(:"#{ type }_address?")
              target.send(:"#{ type }_address")
            else
              target.send(:"build_#{ type }_address")
            end

            if source.send(:"#{ type }_address?")
              attributes = duplicate_attributes(source.send(:"#{ type }_address"))
              address.assign_attributes(attributes)
            else
              address.try(:mark_for_destruction)
            end
          end
        end
      end
    end
  end
end