twilio-passphrase.js

/**
 *  Passphrase.
 *  Simple passphrase entry
 */ 
const accessMap = {
  "tennessee": ['Caroline', 'Clay'],
  "leia": ['Dog Walkers'],
  "coffee": ['Jonathan', 'Connie']
};

const passcodes = Object.keys(accessMap);

exports.handler = function(context, event, callback) {
  const twiml = new Twilio.twiml.VoiceResponse();

  if (event.SpeechResult != null) {
    let command = event.SpeechResult.toLowerCase();
    console.log(`Received the command: ${command}.`)

    if (passcodes.indexOf(command) > -1) {
      console.log(`Approved valid passcode: ${command}`);
      
      // TODO: Log the fact that they got access.
      
      // Let them in.
      // Space out the digits so the service doesn't choke on it.
      twiml.play({
        digits: [...context.DTMF_DIGITS].map(x => `w${x}`).reduce((m, v) => m+v)
      });
    } else {
      // Forward to a real person.
      console.log(`Invalid passcode: "${command}".`);
      twiml.say('Hang on while I find a human.');
      twiml.dial(context.JONATHANS_NUMBER);
      twiml.say("No one is available to help you. Goodbye.");
    }
  }
  else {
    twiml.gather({
      input: 'speech',
      timeout: 10,
      hints: passcodes.join(','),
    }).say("Please say your password");

  }
  
  callback(null, twiml);
}