glennfu

# The models
class TextMessage < ApplicationRecord
  belongs_to :account, inverse_of: :text_messages, optional: true
  belongs_to :user, inverse_of: :text_messages, optional: true
  
  has_many :phones, ->(text_message) { joins(name: :products).where("products.account_id = ?", text_message.account_id) }, foreign_key: :number, primary_key: :client_phone_number
  has_many :names, through: :phones, source: :name

class Phone < ApplicationRecord
  belongs_to :name, inverse_of: :phones

glennfu

Version4::Foo.last.bars.first.class
=> Version4::Bar

Version5::Foo.last.bars.first.class
=> Version4::Bar

glennfu

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  gem "rails", github: "rails/rails"

glennfu

class ArticleChannel < ApplicationCable::Channel

  def subscribed
    @article = Article.find(params[:article_id])
    @editor_id = params[:editor_id]

    # Write it only if the editor is truly nil in a single query to avoid race conditions
    Article.where(id: @article.id, editor: nil).update(editor: @editor_id)

    stream_for @article