2019-07-02 08:10:25 +01:00
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# frozen_string_literal: true
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class PollValidator < ActiveModel::Validator
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MAX_OPTIONS = 4
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2020-12-03 04:22:51 +00:00
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MAX_OPTION_CHARS = 160
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2019-07-02 08:10:25 +01:00
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MAX_EXPIRATION = 1.month.freeze
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MIN_EXPIRATION = 5.minutes.freeze
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def validate(poll)
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current_time = Time.now.utc
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poll.errors.add(:options, I18n.t('polls.errors.too_few_options')) unless poll.options.size > 1
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poll.errors.add(:options, I18n.t('polls.errors.too_many_options', max: MAX_OPTIONS)) if poll.options.size > MAX_OPTIONS
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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 }
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poll.errors.add(:options, I18n.t('polls.errors.duplicate_options')) unless poll.options.uniq.size == poll.options.size
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poll.errors.add(:expires_at, I18n.t('polls.errors.duration_too_long')) if poll.expires_at.nil? || poll.expires_at - current_time > MAX_EXPIRATION
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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
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end
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end
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