Google Assistant Sample

functions.js

/**
 * Endpoint which handles requests for a Google Assistant action which asks users to say a number
 * and read out the ordinal of that number.
 * e.g. If the user says "Twelve" the action will say "The ordinal of twelve is twelfth".
 */
exports.raffleUser = functions.https.onRequest((req, res) => {
  const assistant = new ActionsSdkAssistant({request: req, response: res});

  // List of re-prompts that are used when we did not understand a number from the user.
  const reprompts = [
    'You can say <break time="3"/>Yes, sure or go'
  ];

  const actions = [
  	'yes',
  	'sure',
  	'let\s do this',
  	'go'
  ];

  const ending = [
  	'no',
  	'bye'
  ];


  const WELCOME_MESSAGE = `<speak>
        Hi Capivaras! <break time="1"/>
        Do you like to raffle a new swag?.
      </speak>`;


  const actionMap = new Map();

  actionMap.set(assistant.StandardIntents.MAIN, assistant => {
    const inputPrompt = assistant.buildInputPrompt(true, WELCOME_MESSAGE, reprompts
    );
    assistant.ask(inputPrompt);
  });

  actionMap.set(assistant.StandardIntents.TEXT, assistant => {
    const rawInput = assistant.getRawInput();

    if (actions.indexOf(rawInput.toLowerCase()) >= 0) {
    	//https://www.myinstants.com/media/sounds/piao-do-bau-com-musica.mp3
    	//https://estudenaudacity.firebaseapp.com/piao-do-bau-com-musica.wav
    	//https://actions.google.com/sounds/v1/cartoon/magic_chime.ogg

    	var raffled_user = raffle();
    	console.log("SORTEEI ", raffled_user);
    	if(!raffled_user) {
			assistant.tell('Sorry. I can\'t find any user to raffle!');

    	} else {
			var user_displayName = raffled_user.displayName || "NAME NOT DEFINED";

			const message = `<speak><audio src="https://estudenaudacity.firebaseapp.com/piao-do-bau-com-musica.wav"></audio><break time="3"/>
				The user is  <break time="3"/>` +
				user_displayName +
				` <break time="3"/>Whould you like to receive another one?</speak>`;
			
			// sortear usuario e avisar
			const inputPrompt = assistant.buildInputPrompt(true, message, reprompts);
	    	// avisar que não entendeu
	    	assistant.ask(inputPrompt);

    	}



    } else if (ending.indexOf(rawInput.toLowerCase()) >= 0) {
		assistant.tell('Goodbye!');
    } else {
      		const inputPrompt = assistant.buildInputPrompt(true, WELCOME_MESSAGE, reprompts);
			//TODO: avisar que não entendeu
			assistant.ask(inputPrompt);
    }

  });

  assistant.handleRequest(actionMap);

});