discourse/app/jobs/regular/retrieve_topic.rb

require_dependency 'email/sender'
require_dependency 'topic_retriever'

module Jobs

  # Asynchronously retrieve a topic from an embedded site
  class RetrieveTopic < Jobs::Base

    def execute(args)
      raise Discourse::InvalidParameters.new(:embed_url) unless args[:embed_url].present?

      user = nil
      if args[:user_id]
        user = User.find_by(id: args[:user_id])
      end
      TopicRetriever.new(args[:embed_url], author_username: args[:author_username], no_throttle: user.try(:staff?)).retrieve
    end

  end

end