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