polyglot/app/controllers/chat_rooms_controller.rb

class ChatRoomsController < ApplicationController

  def show
    require "google/cloud/translate"

    @chat_room = ChatRoom.find(params[:id])

    keyfile = ENV['TRANSLATION_CREDENTIALS']
    creds = Google::Cloud::Translate::Credentials.new(keyfile)

    translate = Google::Cloud::Translate.new(
      project_id: ENV["PROJECT_ID"],
      credentials: creds
    )

  @languages = translate.languages("en")
  end

  def create
    #  HTTP status code 200 with an empty body
    head :no_content
    puts ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>11123213213213123213"
    puts params
    puts ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>11123213213213123213"

    ActionCable.server.broadcast "chat_room_#{params[:room]}", session_params
  end

  private

  def session_params
    # SDP = Session description protocol (codec info from client)
    # Candidate = ICE candidates (e.g. TURN and STUN server)
    params.permit(:type, :from, :to, :sdp, :candidate, :room)
  end
end