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42 lines
1.3 KiB
Ruby
42 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class VoteValidator < ActiveModel::Validator
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def validate(vote)
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vote.errors.add(:base, I18n.t('polls.errors.expired')) if vote.poll_expired?
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vote.errors.add(:base, I18n.t('polls.errors.invalid_choice')) if invalid_choice?(vote)
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if vote.poll_multiple? && already_voted_for_same_choice_on_multiple_poll?(vote)
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vote.errors.add(:base, I18n.t('polls.errors.already_voted'))
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elsif !vote.poll_multiple? && already_voted_on_non_multiple_poll?(vote)
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vote.errors.add(:base, I18n.t('polls.errors.already_voted'))
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end
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end
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private
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def invalid_choice?(vote)
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vote.choice.negative? || vote.choice >= vote.poll.options.size
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end
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def already_voted_for_same_choice_on_multiple_poll?(vote)
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if vote.persisted?
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account_votes_on_same_poll(vote).where(choice: vote.choice).where.not(poll_votes: { id: vote }).exists?
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else
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account_votes_on_same_poll(vote).where(choice: vote.choice).exists?
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end
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end
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def already_voted_on_non_multiple_poll?(vote)
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if vote.persisted?
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account_votes_on_same_poll(vote).where.not(poll_votes: { id: vote }).exists?
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else
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account_votes_on_same_poll(vote).exists?
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end
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end
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def account_votes_on_same_poll(vote)
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vote.poll.votes.where(account: vote.account)
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end
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end
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