discourse/app/controllers/post_readers_controller.rb
Roman Rizzi 7c741fa0d6
FEATURE: Publish read state on group messages. (Originally introduced in #7989) (#8025)
* Revert "Revert "FEATURE: Publish read state on group messages. (#7989) [Undo revert] (#8024)""

This reverts commit 36425eb9f0.

* Fix: Show who read only if the attribute is enabled

* PERF: Precalculate the last post  readed by a group member

* Use book-reader icon instear of far-eye

* FIX: update topic groups correctly

* DEV: Tidy up read indicator update on write
2019-08-27 09:09:00 -03:00

27 lines
817 B
Ruby

# frozen_string_literal: true
class PostReadersController < ApplicationController
requires_login
def index
post = Post.includes(topic: %i[allowed_groups]).find(params[:id])
read_state = post.topic.allowed_groups.any? { |g| g.publish_read_state? && g.users.include?(current_user) }
raise Discourse::InvalidAccess unless read_state
readers = User
.joins(:topic_users)
.where('topic_users.topic_id = ? AND COALESCE(topic_users.last_read_post_number, 1) >= ?', post.topic_id, post.post_number)
.where.not(id: [current_user.id, post.user_id])
readers = readers.map do |r|
{
id: r.id, avatar_template: r.avatar_template,
username: r.username,
username_lower: r.username_lower
}
end
render_json_dump(post_readers: readers)
end
end