module Challah
  module UserAuthorizable

    extend ActiveSupport::Concern

    included do
      extend ClassMethods

      before_destroy :clear_authorizations_before_destroy
    end

    def authorizations
      return [] if new_record?
      self.class.authorization_model.where(user_id: self.id)
    end

    protected

      def clear_authorizations_before_destroy
        authorizations.destroy_all
      end

      module ClassMethods

        def authorizations_table_name
          @authorizations_table_name ||= authorization_model.table_name
        end

        def authorization_model
          @authorization_model ||= ::Authorization
        end

      end

  end
end