discourse/app/jobs/regular/post_update_topic_tracking_state.rb

# frozen_string_literal: true

module Jobs
  class PostUpdateTopicTrackingState < ::Jobs::Base

    def execute(args)
      post = Post.find_by(id: args[:post_id])
      return if !post&.topic

      topic = post.topic

      if topic.private_message?
        if post.post_number > 1
          PrivateMessageTopicTrackingState.publish_unread(post)
        end

        TopicGroup.new_message_update(
          topic.last_poster,
          topic.id,
          post.post_number
        )
      else
        TopicTrackingState.publish_unmuted(post.topic)
        if post.post_number > 1
          TopicTrackingState.publish_muted(post.topic)
          TopicTrackingState.publish_unread(post)
        end
        TopicTrackingState.publish_latest(post.topic, post.whisper?)
      end
    end

  end
end