old-holivud2/app/controllers/live_meetings_controller.rb

class LiveMeetingsController < ApplicationController
  def show
    authorize broadcast = Broadcast.find(params[:broadcast_id])
    if broadcast.project.live_meeting_url.blank?
      room = Daily.create_room
      room_url = room['url']
      broadcast.project.update live_meeting_url: room_url
    end
    @live_meeting_url = broadcast.project.live_meeting_url
  end
end