catstodon/app/validators/status_length_validator.rb

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# frozen_string_literal: true
class StatusLengthValidator < ActiveModel::Validator
MAX_CHARS = 500
def validate(status)
return unless status.local? && !status.reblog?
status.errors.add(:text, I18n.t('statuses.over_character_limit', max: MAX_CHARS)) if too_long?(status)
end
private
def too_long?(status)
countable_length(status) > MAX_CHARS
end
def countable_length(status)
total_text(status).mb_chars.grapheme_length
end
def total_text(status)
[status.spoiler_text, countable_text(status)].join
end
def countable_text(status)
return '' if status.text.nil?
status.text.dup.tap do |new_text|
new_text.gsub!(FetchLinkCardService::URL_PATTERN, 'x' * 23)
new_text.gsub!(Account::MENTION_RE, '@\2')
end
end
end