moxiesoft

      # Maps parents_symbols to build association chain.
      #
      # If the parents_symbols find :polymorphic, it goes through the
      # params keys to see which polymorphic parent matches the given params.
      #
      # When optional is given, it does not raise errors if the polymorphic
      # params are missing.
      #
      def symbols_for_association_chain #:nodoc:
        polymorphic_config = resources_configuration[:polymorphic]