Thermometer_index.js

'use strict';

const functions = require('firebase-functions');
const { dialogflow } = require('actions-on-google');
const ambient = require('ambient-lib');

// Ambient Settings
const AMBIENT_CHANNEL_ID = XXXX;
const AMBIENT_WRITE_KEY = 'YYYYYYYYYYYYYYYY';
const AMBIENT_READ_KEY = 'ZZZZZZZZZZZZZZZZ';

const app = dialogflow();

app.intent('Default Welcome Intent', conv => {
  conv.ask(`こんにちは`);
});

app.intent('Temperature Intent', conv => {
  // Read Temperature from Ambient
  var temp;
  var promise = new Promise(function(resolve, reject) {
    ambient.connect(AMBIENT_CHANNEL_ID, AMBIENT_WRITE_KEY, AMBIENT_READ_KEY);
    ambient.read({n: 1}, function(err, res, data) {
      temp = data[0].d2.toFixed(1);
      console.log({err: err, data: data});
      resolve(temp);
    });
  });
  
  return promise.then(function(value) {
    conv.close(`${temp}度です`);
  });
});

exports.dialogflowFirebaseFulfillment = functions.https.onRequest(app);