Amazon Echo에게 NEM 잔액을 말해 보았습니다.

'use strict';
var Alexa = require('alexa-sdk');
let request = require('request-promise');

//Replace with your app ID (OPTIONAL).  You can find this value at the top of your skill's page on http://developer.amazon.com.
//Make sure to enclose your value in quotes, like this: var APP_ID = "amzn1.ask.skill.bb4045e6-b3e8-4133-b650-72923c5980f1";
var APP_ID = undefined;

var SKILL_NAME = "NEMチェッカー";
var GET_FACT_MESSAGE_PREFIX = "アドレス、「"
var GET_FACT_MESSAG_MID = "」 の残高は、";
var GET_FACT_MESSAGE_SUFFIX = " XEMです。"
var HELP_MESSAGE = "残高を聞きたい時は「残高教えて」と、終わりたい時は「おしまい」と言ってください。どうしますか？";
var HELP_REPROMPT = "どうしますか？";
var STOP_MESSAGE = "さようなら";

var ADDRESS = "NAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
var NIS_API = "http://alice2.nem.ninja:7890/account/get?address=";
const END_POINT = NIS_API + ADDRESS;

exports.handler = function(event, context, callback) {
    var alexa = Alexa.handler(event, context);
    alexa.APP_ID = APP_ID;
    alexa.registerHandlers(handlers);
    alexa.execute();
};

var handlers = {
    'LaunchRequest': function () {
        this.emit('GetNewFactIntent');
    },
    'GetNewFactIntent': function () {
        var balance = 0;
        var options = {
          method: 'GET',
          uri: END_POINT,
          json: true
        }

        request(options).then((response) => {
          console.log(response['account']['balance']/1000000);
          balance = response['account']['balance']/1000000;
          var speechOutput = GET_FACT_MESSAGE_PREFIX + ADDRESS + GET_FACT_MESSAG_MID + balance + GET_FACT_MESSAGE_SUFFIX;
          this.emit(':tellWithCard', speechOutput, SKILL_NAME, speechOutput);
        }, (error) => {
          console.log(error);
          var speechOutput = "残高の取得に失敗しました。"
          this.emit(':tellWithCard', speechOutput, SKILL_NAME, speechOutput);
        });
    },
    'AMAZON.HelpIntent': function () {
        var speechOutput = HELP_MESSAGE;
        var reprompt = HELP_REPROMPT;
        this.emit(':ask', speechOutput, reprompt);
    },
    'AMAZON.CancelIntent': function () {
        this.emit(':tell', STOP_MESSAGE);
    },
    'AMAZON.StopIntent': function () {
        this.emit(':tell', STOP_MESSAGE);
    }
};