~cytrogen/masto-fe

ref: 0139b1c8e1aa6cde4fcabd56ededaa0e5ab40a68 masto-fe/app/validators/poll_validator.rb -rw-r--r-- 1.1 KiB
0139b1c8 — Matt Jankowski Update uri to version 0.12.2 (CVE fix) (#25657) 2 years ago 
                                                                                
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# frozen_string_literal: true

class PollValidator < ActiveModel::Validator
  MAX_OPTIONS      = 4
  MAX_OPTION_CHARS = 50
  MAX_EXPIRATION   = 1.month.freeze
  MIN_EXPIRATION   = 5.minutes.freeze

  def validate(poll)
    current_time = Time.now.utc

    poll.errors.add(:options, I18n.t('polls.errors.too_few_options')) unless poll.options.size > 1
    poll.errors.add(:options, I18n.t('polls.errors.too_many_options', max: MAX_OPTIONS)) if poll.options.size > MAX_OPTIONS
    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 }
    poll.errors.add(:options, I18n.t('polls.errors.duplicate_options')) unless poll.options.uniq.size == poll.options.size
    poll.errors.add(:expires_at, I18n.t('polls.errors.duration_too_long')) if poll.expires_at.nil? || poll.expires_at - current_time > MAX_EXPIRATION
    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
  end
end