114 lines
3.3 KiB
Ruby
114 lines
3.3 KiB
Ruby
module DiscoursePoll
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class PollsValidator
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def initialize(post)
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@post = post
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end
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def validate_polls
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polls = {}
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extracted_polls = DiscoursePoll::Poll::extract(@post.raw, @post.topic_id)
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extracted_polls.each do |poll|
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# polls should have a unique name
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return false unless unique_poll_name?(polls, poll)
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# options must be unique
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return false unless unique_options?(poll)
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# at least 2 options
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return false unless at_least_two_options?(poll)
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# maximum # of options
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return false unless valid_number_of_options?(poll)
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# poll with multiple choices
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return false unless valid_multiple_choice_settings?(poll)
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# store the valid poll
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polls[poll["name"]] = poll
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end
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polls
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end
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private
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def unique_poll_name?(polls, poll)
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if polls.has_key?(poll["name"])
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if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
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@post.errors.add(:base, I18n.t("poll.multiple_polls_without_name"))
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else
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@post.errors.add(:base, I18n.t("poll.multiple_polls_with_same_name", name: poll["name"]))
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end
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return false
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end
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true
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end
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def unique_options?(poll)
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if poll["options"].map { |o| o["id"] }.uniq.size != poll["options"].size
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if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
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@post.errors.add(:base, I18n.t("poll.default_poll_must_have_different_options"))
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else
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@post.errors.add(:base, I18n.t("poll.named_poll_must_have_different_options", name: poll["name"]))
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end
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return false
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end
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true
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end
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def at_least_two_options?(poll)
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if poll["options"].size < 2
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if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
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@post.errors.add(:base, I18n.t("poll.default_poll_must_have_at_least_2_options"))
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else
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@post.errors.add(:base, I18n.t("poll.named_poll_must_have_at_least_2_options", name: poll["name"]))
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end
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return false
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end
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true
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end
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def valid_number_of_options?(poll)
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if poll["options"].size > SiteSetting.poll_maximum_options
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if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
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@post.errors.add(:base, I18n.t("poll.default_poll_must_have_less_options", count: SiteSetting.poll_maximum_options))
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else
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@post.errors.add(:base, I18n.t("poll.named_poll_must_have_less_options", name: poll["name"], count: SiteSetting.poll_maximum_options))
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end
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return false
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end
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true
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end
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def valid_multiple_choice_settings?(poll)
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if poll["type"] == "multiple"
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num_of_options = poll["options"].size
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min = (poll["min"].presence || 1).to_i
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max = (poll["max"].presence || num_of_options).to_i
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if min > max || min <= 0 || max <= 0 || max > num_of_options || min >= num_of_options
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if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
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@post.errors.add(:base, I18n.t("poll.default_poll_with_multiple_choices_has_invalid_parameters"))
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else
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@post.errors.add(:base, I18n.t("poll.named_poll_with_multiple_choices_has_invalid_parameters", name: poll["name"]))
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end
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return false
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end
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end
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true
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end
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end
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end
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