discourse/plugins/poll/lib/polls_validator.rb

167 lines
5.1 KiB
Ruby

module DiscoursePoll
class PollsValidator
MAX_VALUE = 2_147_483_647
def initialize(post)
@post = post
end
def validate_polls
polls = {}
DiscoursePoll::Poll::extract(@post.raw, @post.topic_id, @post.user_id).each do |poll|
return false unless valid_arguments?(poll)
return false unless valid_numbers?(poll)
return false unless unique_poll_name?(polls, poll)
return false unless unique_options?(poll)
return false unless at_least_two_options?(poll)
return false unless valid_number_of_options?(poll)
return false unless valid_multiple_choice_settings?(poll)
polls[poll["name"]] = poll
end
polls
end
private
def valid_arguments?(poll)
valid = true
if poll["type"].present? && !::Poll.types.has_key?(poll["type"])
@post.errors.add(:base, I18n.t("poll.invalid_argument", argument: "type", value: poll["type"]))
valid = false
end
if poll["status"].present? && !::Poll.statuses.has_key?(poll["status"])
@post.errors.add(:base, I18n.t("poll.invalid_argument", argument: "status", value: poll["status"]))
valid = false
end
if poll["results"].present? && !::Poll.results.has_key?(poll["results"])
@post.errors.add(:base, I18n.t("poll.invalid_argument", argument: "results", value: poll["results"]))
valid = false
end
valid
end
def unique_poll_name?(polls, poll)
if polls.has_key?(poll["name"])
if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
@post.errors.add(:base, I18n.t("poll.multiple_polls_without_name"))
else
@post.errors.add(:base, I18n.t("poll.multiple_polls_with_same_name", name: poll["name"]))
end
return false
end
true
end
def unique_options?(poll)
if poll["options"].map { |o| o["id"] }.uniq.size != poll["options"].size
if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
@post.errors.add(:base, I18n.t("poll.default_poll_must_have_different_options"))
else
@post.errors.add(:base, I18n.t("poll.named_poll_must_have_different_options", name: poll["name"]))
end
return false
end
true
end
def at_least_two_options?(poll)
if poll["options"].size < 2
if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
@post.errors.add(:base, I18n.t("poll.default_poll_must_have_at_least_2_options"))
else
@post.errors.add(:base, I18n.t("poll.named_poll_must_have_at_least_2_options", name: poll["name"]))
end
return false
end
true
end
def valid_number_of_options?(poll)
if poll["options"].size > SiteSetting.poll_maximum_options
if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
@post.errors.add(:base, I18n.t("poll.default_poll_must_have_less_options", count: SiteSetting.poll_maximum_options))
else
@post.errors.add(:base, I18n.t("poll.named_poll_must_have_less_options", name: poll["name"], count: SiteSetting.poll_maximum_options))
end
return false
end
true
end
def valid_multiple_choice_settings?(poll)
if poll["type"] == "multiple"
options = poll["options"].size
min = (poll["min"].presence || 1).to_i
max = (poll["max"].presence || options).to_i
if min > max || min <= 0 || max <= 0 || max > options || min >= options
if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
@post.errors.add(:base, I18n.t("poll.default_poll_with_multiple_choices_has_invalid_parameters"))
else
@post.errors.add(:base, I18n.t("poll.named_poll_with_multiple_choices_has_invalid_parameters", name: poll["name"]))
end
return false
end
end
true
end
def valid_numbers?(poll)
return true if poll["type"] != "number"
valid = true
min = poll["min"].to_i
max = (poll["max"].presence || MAX_VALUE).to_i
step = (poll["step"].presence || 1).to_i
if min < 0
@post.errors.add(:base, "Min #{I18n.t("errors.messages.greater_than", count: 0)}")
valid = false
elsif min > MAX_VALUE
@post.errors.add(:base, "Min #{I18n.t("errors.messages.less_than", count: MAX_VALUE)}")
valid = false
end
if max < min
@post.errors.add(:base, "Max #{I18n.t("errors.messages.greater_than", count: "min")}")
valid = false
elsif max > MAX_VALUE
@post.errors.add(:base, "Max #{I18n.t("errors.messages.less_than", count: MAX_VALUE)}")
valid = false
end
if step <= 0
@post.errors.add(:base, "Step #{I18n.t("errors.messages.greater_than", count: 0)}")
valid = false
elsif ((max - min + 1) / step) < 2
if poll["name"] == ::DiscoursePoll::DEFAULT_POLL_NAME
@post.errors.add(:base, I18n.t("poll.default_poll_must_have_at_least_2_options"))
else
@post.errors.add(:base, I18n.t("poll.named_poll_must_have_at_least_2_options", name: poll["name"]))
end
valid = false
end
valid
end
end
end