module Scrivito

  # Adds support for string columns which contain ISO dates
  module DateAttribute
    def self.parse(iso_date_time)
      return nil unless iso_date_time

      if iso_date_time.to_s =~ /^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})$/
        Time.utc($1.to_i, $2.to_i, $3.to_i, $4.to_i, $5.to_i, $6.to_i).in_time_zone
      else
        raise "The value is not a valid ISO date time: #{iso_date_time.inspect}"
      end
    end
  end

end