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path: root/app/validators/gitlab/zoom_url_validator.rb
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# frozen_string_literal: true

module Gitlab
  # Gitlab::Utils::ZoomUrlValidator
  #
  # Custom validator for zoom urls
  #
  # @example usage
  #    validates :url, 'gitlab/zoom_url': true
  class ZoomUrlValidator < ActiveModel::EachValidator
    ALLOWED_SCHEMES = %w(https).freeze

    def validate_each(record, attribute, value)
      links_count = Gitlab::ZoomLinkExtractor.new(value).links.size
      valid = Gitlab::UrlSanitizer.valid?(value, allowed_schemes: ALLOWED_SCHEMES)

      return if links_count == 1 && valid

      record.errors.add(:url, 'must contain one valid Zoom URL')
    end
  end
end