discourse/app/jobs/onceoff/grant_onebox.rb

# frozen_string_literal: true

module Jobs
  class GrantOnebox < ::Jobs::Onceoff
    sidekiq_options queue: "low"

    def execute_onceoff(args)
      return unless SiteSetting.enable_badges
      to_award = {}

      Post
        .secured(Guardian.new)
        .select(:id, :created_at, :raw, :user_id)
        .visible
        .public_posts
        .where("raw LIKE '%http%'")
        .find_in_batches do |group|
          group.each do |p|
            begin
              # Note we can't use `p.cooked` here because oneboxes have been cooked out
              cooked = PrettyText.cook(p.raw)
              doc = Nokogiri::HTML5.fragment(cooked)
              if doc.search("a.onebox").size > 0
                to_award[p.user_id] ||= { post_id: p.id, created_at: p.created_at }
              end
            rescue StandardError
              nil # if there is a problem cooking we don't care
            end
          end
        end

      to_award.each do |user_id, opts|
        user = User.where(id: user_id).first
        BadgeGranter.grant(badge, user, opts) if user
      end
    end

    def badge
      Badge.find(Badge::FirstOnebox)
    end
  end
end