app/workers/reactive_caching_worker.rb


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# frozen_string_literal: true

class ReactiveCachingWorker # rubocop:disable Scalability/IdempotentWorker
  include ApplicationWorker

  feature_category_not_owned!

  # TODO: The reactive caching worker should be split into
  # two different workers, one for high urgency jobs without external dependencies
  # and another worker without high urgency, but with external dependencies
  # https://gitlab.com/gitlab-com/gl-infra/scalability/issues/34
  # This worker should also have `worker_has_external_dependencies!` enabled
  urgency :high
  worker_resource_boundary :cpu

  def self.context_for_arguments(arguments)
    class_name, *_other_args = arguments
    Gitlab::ApplicationContext.new(related_class: class_name.to_s)
  end

  def perform(class_name, id, *args)
    klass = begin
      class_name.constantize
    rescue NameError
      nil
    end
    return unless klass

    klass
      .reactive_cache_worker_finder
      .call(id, *args)
      .try(:exclusively_update_reactive_cache!, *args)
  rescue ReactiveCaching::ExceededReactiveCacheLimit => e
    Gitlab::ErrorTracking.track_exception(e)
  end
end