Record a call with split audio

const Express = require('express');
const bodyParser = require('body-parser');

const app = new Express();
app.use(bodyParser.json());

const onInboundCall = (request, response) => {
  const ncco = [
    {
      action: 'record',
      split: 'conversation',
      channels: 2,
      eventUrl: [`${request.protocol}://${request.get('host')}/webhooks/recordings`],
    },
    {
      action: 'connect',
      from: VONAGE_NUMBER,
      endpoint: [
        {
          type: 'phone',
          number: TO_NUMBER,
        },
      ],
    },
  ];
  response.json(ncco);
};

const onRecording = (request, response) => {
  const recording_url = request.body.recording_url;
  console.log(`Recording URL = ${recording_url}`);

  response.status(204).send();
};

app
  .get('/webhooks/answer', onInboundCall)
  .post('/webhooks/recordings', onRecording);

app.listen(3000);

embeddedServer(Netty, port = 8000) {
    routing {
        get("/webhooks/answer") {
            call.response.header("Content-Type", "application/json")
            call.respond(
                Ncco(
                    recordAction {
                        eventUrl(call.request.path().replace("answer", "recordings"))
                        channels(2)
                        split(SplitRecording.CONVERSATION)
                    },
                    connectToPstn(TO_NUMBER) {
                        from(VONAGE_NUMBER)
                    }
                ).toJson()
            )
        }
        post("/webhooks/recordings") {
            val event = EventWebhook.fromJson(call.receive())
            println("Recording URL: ${event.recordingUrl}")
            call.respond(204)
        }
    }
}.start(wait = true)

apply plugin: 'application'
mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

/*
 * Route to answer and connect incoming calls with recording.
 */
Route answerRoute = (req, res) -> {
    String recordingUrl = String.format("%s://%s/webhooks/recordings", req.scheme(), req.host());

    RecordAction record = RecordAction.builder()
            .eventUrl(recordingUrl)
            .channels(2)
            .split(SplitRecording.CONVERSATION)
            .build();

    ConnectAction connect = ConnectAction.builder(PhoneEndpoint.builder(TO_NUMBER).build())
            .from(VONAGE_NUMBER)
            .build();

    res.type("application/json");

    return new Ncco(record, connect);
};

/*
 * Route which prints out the recording URL it is given to stdout.
 */
Route recordingRoute = (req, res) -> {
    System.out.println(EventWebhook.fromJson(req.body()).getRecordingUrl());

    res.status(204);
    return "";
};

Spark.port(3000);
Spark.get("/webhooks/answer", answerRoute);
Spark.post("/webhooks/recordings", recordingRoute);

apply plugin: 'application'
mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

[HttpGet("webhooks/answer")]
public IActionResult Answer()
{
    var toNumber = Environment.GetEnvironmentVariable("TO_NUMBER") ?? "TO_NUMBER";
    var vonageNumber = Environment.GetEnvironmentVariable("VONAGE_NUMBER") ?? "VONAGE_NUMBER";
    var host = Request.Host.ToString();
    //Uncomment the next line if using ngrok with --host-header option
    //host = Request.Headers["X-Original-Host"];

    var eventUrl = $"{Request.Scheme}://{host}/SplitAudio/webhooks/recording";
    var talkAction = new TalkAction {Text = "recording call", BargeIn = false};
    var recordAction = new RecordAction
    {
        EventUrl = new[] {eventUrl},
        EventMethod = "POST",
        Channels = 2,
        Split = "conversation"
    };

    var connectAction = new ConnectAction()
    {
        From = vonageNumber,
        Endpoint = new[] {new PhoneEndpoint {Number = toNumber}},
    };

    var ncco = new Ncco(talkAction, recordAction, connectAction);
    return Ok(ncco.ToString());
}

[HttpPost("webhooks/recording")]
public async Task<IActionResult> Recording()
{
    var record = await WebhookParser.ParseWebhookAsync<Record>(Request.Body, Request.ContentType);
    Console.WriteLine($"Record event received on webhook - URL: {record?.RecordingUrl}");
    return StatusCode(204);
}

require 'vendor/autoload.php';

$dotenv = Dotenv::createImmutable(__DIR__);
$dotenv->load();

define('TO_NUMBER', getenv('TO_NUMBER'));
define('VONAGE_NUMBER', getenv('VONAGE_NUMBER'));

$app = new \Slim\App();

$app->get('/webhooks/answer', function (Request $request, Response $response) {
    //Get our public URL for this route
    $uri = $request->getUri();
    $url = $uri->getScheme() . '://'.$uri->getHost() . ($uri->getPort() ? ':'.$uri->getPort() : '') . '/webhooks/recording';

    $record = new \Vonage\Voice\NCCO\Action\Record();
    $record->setEventWebhook(new \Vonage\Voice\Webhook($url));
    $record->setChannels(2);

    $connect = new \Vonage\Voice\NCCO\Action\Connect(new \Vonage\Voice\Endpoint\Phone(TO_NUMBER));
    $connect->setFrom(VONAGE_NUMBER);

    $ncco = new \Vonage\Voice\NCCO\NCCO();
    $ncco->addAction($connect);
    $ncco->addAction($record);

    return new JsonResponse($ncco);
});

$app->post('/webhooks/recording', function (Request $request, Response $response) {
    /** @var \Vonage\Voice\Webhook\Record */
    $recording = \Vonage\Voice\Webhook\Factory::createFromRequest($request);
    error_log($recording->getRecordingUrl());

    return $response->withStatus(204);
});

$app->run();

from pprint import pprint
from flask import Flask, request, jsonify

app = Flask(__name__)


@app.route("/webhooks/answer")
def answer_call():
    ncco = [
        {
            "action": "talk",
            "text": "Hi, we will shortly forward your call. This call is recorded for quality assurance purposes."
        },
        {
            "action": "record",
            "split": "conversation",
            "channels": 2,
            "eventUrl": ["https://demo.ngrok.io/webhooks/recordings"]
        },
        {
            "action": "connect",
            "eventUrl": ["https://demo.ngrok.io/webhooks/event"],
            "from": "VONAGE_NUMBER",
            "endpoint": [
                {
                    "type": "phone",
                    "number": "RECIPIENT_NUMBER"
                }
            ]
        }
    ]
    return jsonify(ncco)


@app.route("/webhooks/recordings", methods=['POST'])
def recordings():
    data = request.get_json()
    pprint(data)
    return "Webhook received"

before do
  content_type :json
end

helpers do
  def parsed_body
    JSON.parse(request.body.read)
  end
end

route :get, :post, '/webhooks/answer' do
  [
    {
      "action": "record",
      "split": "conversation",
      "channels": 2,
      "eventUrl": ["#{request.base_url}/webhooks/recordings"]
    },
    {
      "action": "connect",
      "from": VONAGE_NUMBER,
      "endpoint": [
        {
          "type": "phone",
          "number": TO_NUMBER
        }
      ]
    }
  ].to_json
end

route :get, :post, '/webhooks/recordings' do
  recording_url = params['recording_url'] || parsed_body['recording_url']
  puts "Recording URL = #{recording_url}"

  halt 204
end

set :port, 3000