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GotPPay
205
backend/components/alexa.js
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205
backend/components/alexa.js
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var alexa = require ('alexa-app');
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const config = require ('../config/config');
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var databaseHelper = require ('../helpers/database');
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//User data for sending message, this is skill-related and will be in some skill container
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var Name = null;
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var Email = null;
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var Message = null;
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var State = 0; // states should be defined in seperate file. (Not sending message, Waiting for name, Waiting for email, Waiting for message)
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//For now (this is not long term solution)
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// 0 : Not sending Message
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// 1 : Waiting for name
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// 2 : Waiting for email
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// 3 : Waiting for message
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var alexaApp = new alexa.app ('saburly'); // this means we still work with one skill
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module.exports = {
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init: function (express) {
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alexaApp.express ({
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expressApp: express,
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// verifies requests come from amazon alexa. Must be enabled for production.
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// You can disable this if you're running a dev environment and want to POST
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// things to test behavior. enabled by default.
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checkCert: false,
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// sets up a GET route when set to true. This is handy for testing in
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// development, but not recommended for production. disabled by default
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debug: true,
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});
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},
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updateIntentsJSON: function () {
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databaseHelper
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.loadSkill (config.SKILL_DB_ID)
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.then (skill => {
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skill.intents.map (intent => {
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alexaApp.intent (
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intent.intentName,
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{
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slots: [],
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utterances: intent.questions,
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},
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function (request, response) {
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return response.say (intent.answer).shouldEndSession (false);
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}
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);
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});
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alexaApp.launch ((request, response) => {
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return response.say (skill.invocationAnswer).shouldEndSession (false);
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});
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alexaApp.intent (
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'EmailIntentLaunch',
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{
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slots: [],
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utterances: [
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'I want to send a message',
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'I would like to send a message',
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'I would like to leave a message',
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'Leave a message',
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],
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},
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function (request, response) {
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Name = null;
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Email = null;
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Message = null;
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State = 1;
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return response
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.say ('Ok. What is your name')
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.shouldEndSession (false);
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}
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);
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//TODO : Watch out for this intent. It will make trouble with other regular intents
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//if other intents have utterance with just one slot like {Data}
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//It should be taken care somwhere before this, to check if Email Intent is invoked
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//This is problem only if we introduce slot options for regular intents for users
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alexaApp.intent (
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'EmailIntent',
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{
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slots: {
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Name: 'AMAZON.US_FIRST_NAME',
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Email: 'AMAZON.LITERAL',
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Message: 'AMAZON.LITERAL',
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Data: 'AMAZON.LITERAL',
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},
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utterances: [
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'My name is {-|Name}',
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'I am {-|Name}',
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'{dawdw at dwd wdw|Data}',
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'My email is {wadwwdw at wadwwd wdw|Email}',
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'Send replay to {fkofkeofe at dppfam wd|Email}',
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'My message is {Quick brown fox jumps over lazy dog|Message}',
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],
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},
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function (request, response) {
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let Data = undefined;
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try {
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if (!Name) Name = request.slot ('Name');
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} catch (e) {
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console.log ('Error. No name slot ');
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Name = undefined;
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}
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try {
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if (!Email) Email = request.slot ('Email');
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} catch (e) {
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console.log ('Error. No Email slot');
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Email = undefined;
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}
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try {
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if (!Message) Message = request.slot ('Message');
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} catch (e) {
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console.log ('Error. No Message slot');
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Message = undefined;
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}
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try {
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Data = request.slot ('Data');
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} catch (e) {
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console.log ('Error. No Data slot');
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Data = undefined;
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}
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console.log ('State : ' + State);
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//TODO : Responses could be configurable for each skill ?
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if (State === 1) {
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//Was waiting for name, so if Name is null, name is probably in Data
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if ((!Name && Data) || Name) {
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//got the name, let's continue for the email
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if (!Name) Name = Data;
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State = 2;
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return response
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.say ('Ok ' + Name + '. What is your email ?')
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.shouldEndSession (false);
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} else {
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//Something is wrong, ask for name again
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return response
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.say (
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'Sorry, I didnt understand your name. Can you say it again ?'
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)
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.shouldEndSession (false);
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}
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} else if (State === 2) {
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//was waiting for email, so if Email is null, email is probably in Data
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if ((!Email && Data) || Email) {
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//Got the email, first verify email and than continue to message
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if (!Email) Email = Data;
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//TODO : verify email
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State = 3;
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return response
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.say ('Great. Whats the message ?')
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.shouldEndSession (false);
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} else {
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//Something is wrong, ask for the email again
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return response
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.say (
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'Sorry, I didnt understan you email. Can you say it again ?'
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)
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.shouldEndSession (false);
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}
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} else if (State === 3) {
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//Was waiting for message, so if Message is null, message is probably in Data
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if ((!Message && Data) || Message) {
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//Ok, we got all informations. Exit email intent
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if (!Message) Message = Data;
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State = 0;
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//TODO : Send email
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console.log (
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'Name : ' +
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Name +
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' | Email : ' +
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Email +
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' | Message : ' +
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Message
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);
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return response.say (
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'Message sent. Someone will contact you ASAP'
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);
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} else {
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//Something is wrong, ask for the message again
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return response
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.say (
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'Sorry, I didnt understand your message. Can you say it again ?'
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)
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.shouldEndSession (false);
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}
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} else {
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console.log ('State strange ! ' + State);
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}
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}
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);
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})
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.catch (err => {
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console.log (err);
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alexaApp.launch ((request, response) => {
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return response.say ('Sorry, there was no skill with that name');
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});
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});
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},
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};
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