discourse/plugins/chat/app/models/concerns/chatable.rb

# frozen_string_literal: true

module Chatable
  extend ActiveSupport::Concern

  def chat_channel
    channel_class.new(chatable: self)
  end

  def create_chat_channel!(**args)
    channel_class.create!(args.merge(chatable: self))
  end

  private

  def channel_class
    case self
    when Category
      CategoryChannel
    when DirectMessageChannel
      DMChannel
    else
      raise "Unknown chatable #{self}"
    end
  end
end