timestamps.rb

module CommandPlugins
  module ActiveRecordTimestamps
    def insert(tuples)
      now = Time.zone.now
      tuples_with_timestamps = tuples.map do |tuple|
        tuple.merge(created_at: now, updated_at: now)
      end

      super(tuples_with_timestamps)
    end

    def update(tuple)
      super(tuple.merge(updated_at: Time.zone.now))
    end
  end
end

ROM.plugins do
  adapter :sql do
    register :timestamps, CommandPlugins::ActiveRecordTimestamps, type: :command
  end
end