Rails 6 date/time calculations, backported

rails_six_calculations.rb

module CoreExtensions
  module DateAndTime
    #  ___      _ _    ___ _      ___      _         _      _   _
    # | _ \__ _(_) |__/ __(_)_ __/ __|__ _| |__ _  _| |__ _| |_(_)___ _ _  ___
    # |   / _` | | (_-<__ \ \ \ / (__/ _` | / _| || | / _` |  _| / _ \ ' \(_-<
    # |_|_\__,_|_|_/__/___/_/_\_\\___\__,_|_\__|\_,_|_\__,_|\__|_\___/_||_/__/
    #
    # A little backporting
    # https://github.com/rails/rails/pull/32398
    # https://github.com/rails/rails/pull/32398/commits/4e68b159d5696ca58c015a790ef3ceacb90b27c1
    # https://github.com/Samemura/rails/commit/4e62543b0779388b8b3dbe7ff47a8a682f7e042b
    module RailsSixCalculations
      # Returns true if the date/time before <tt>date_or_time</tt>.
      def before?(date_or_time)
        self < date_or_time
      end

      # Returns true if the date/time after <tt>date_or_time</tt>.
      def after?(date_or_time)
        self > date_or_time
      end

      # Returns a new date/time before <tt>date_or_time</tt>.
      def before(date_or_time)
        since(-date_or_time)
      end

      # Returns a new date/time after <tt>date_or_time</tt>.
      def after(date_or_time)
        since(date_or_time)
      end
    end
  end
end