discourse/app/jobs/regular/topic_action_converter.rb

# frozen_string_literal: true

class Jobs::TopicActionConverter < ::Jobs::Base
  # Re-creating all the user actions could be very slow, so let's do it in a job
  # to avoid a N+1 query on a front facing operation.
  def execute(args)
    topic = Topic.find_by(id: args[:topic_id])
    return if topic.blank?

    UserAction
      .where(
        target_topic_id: topic.id,
        action_type: [UserAction::GOT_PRIVATE_MESSAGE, UserAction::NEW_PRIVATE_MESSAGE],
      )
      .find_each do |ua|
        UserAction.remove_action!(
          ua.attributes.symbolize_keys.slice(
            :action_type,
            :user_id,
            :acting_user_id,
            :target_topic_id,
            :target_post_id,
          ),
        )
      end
    topic.posts.find_each { |post| UserActionManager.post_created(post) }
    UserActionManager.topic_created(topic)
  end
end