real-time

<?php

use App\Models\Conversation;
use App\Models\User;
use Illuminate\Support\Facades\Broadcast;

class PresenceRegistry
  TTL = 30 # seconds a user counts as present without a heartbeat

  def initialize(room_id, redis: REDIS)
    @room_id = room_id
    @redis = redis

class Comment < ApplicationRecord
  belongs_to :post
  belongs_to :author, class_name: "User"

  validates :body, presence: true

require 'set'
require 'json'

class Broadcaster
  def initialize
    @mutex = Mutex.new

<%# Subscribe every viewer of this post to its broadcasts %>
<%= turbo_stream_from @post %>

<%# Update the acting user's button to reflect the toggle %>
<%= turbo_stream.replace dom_id(@post, :like_button) do %>
  <%= render "posts/like_button", post: @post %>