poll_validator.rb 1.1 KB

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  1. # frozen_string_literal: true
  2. class PollValidator < ActiveModel::Validator
  3. MAX_OPTIONS = 4
  4. MAX_OPTION_CHARS = 50
  5. MAX_EXPIRATION = 1.month.freeze
  6. MIN_EXPIRATION = 5.minutes.freeze
  7. def validate(poll)
  8. current_time = Time.now.utc
  9. poll.errors.add(:options, I18n.t('polls.errors.too_few_options')) unless poll.options.size > 1
  10. poll.errors.add(:options, I18n.t('polls.errors.too_many_options', max: MAX_OPTIONS)) if poll.options.size > MAX_OPTIONS
  11. poll.errors.add(:options, I18n.t('polls.errors.over_character_limit', max: MAX_OPTION_CHARS)) if poll.options.any? { |option| option.mb_chars.grapheme_length > MAX_OPTION_CHARS }
  12. poll.errors.add(:options, I18n.t('polls.errors.duplicate_options')) unless poll.options.uniq.size == poll.options.size
  13. poll.errors.add(:expires_at, I18n.t('polls.errors.duration_too_long')) if poll.expires_at.nil? || poll.expires_at - current_time > MAX_EXPIRATION
  14. poll.errors.add(:expires_at, I18n.t('polls.errors.duration_too_short')) if poll.expires_at.present? && (poll.expires_at - current_time).ceil < MIN_EXPIRATION
  15. end
  16. end