backend user input handling

Send message feature

README.md

@@ -1,6 +1,11 @@
-To obtain new Auth Code :
+To obtain client ID and secret :
+https://developer.amazon.com/lwa/sp/overview.html
+Click create new security profile, and add whitelist redirect uri : https://layla.amazon.com/api/skill/link/M2ODJY6EXOY6KO
 
-https://www.amazon.com/ap/oa?client_id=amzn1.application-oa2-client.c748ca56ded04a95b236979898585ff7&scope=alexa::ask:skills:readwrite alexa::ask:models:readwrite alexa::ask:skills:test&response_type=code&redirect_uri=https://layla.amazon.com/api/skill/link/M2ODJY6EXOY6KO
+
+To obtain new Auth Code : 
+
+https://www.amazon.com/ap/oa?client_id=amzn1.application-oa2-client.8c183daec15c488c9126b62bda9f7832&scope=alexa::ask:skills:readwrite alexa::ask:models:readwrite alexa::ask:skills:test&response_type=code&redirect_uri=https://layla.amazon.com/api/skill/link/M2ODJY6EXOY6KO
 
 Response URL (Decoded) :
 
@@ -67,7 +72,7 @@ Prerequests for step 3 (run on server):
 requires running mongodb service
 
 	Database (tellall) with collection (skill_list)
-		* Insert dummy skill with : db.skill_list.insert({"skillID" : "amzn1.ask.skill.efbf0564-a732-4ba9-958f-57939138adae", "intents" : [ 	{ 	"intentName" : "GetFirstQuestion", 	"questions" : [ 	"tell me something about projects", 	"tell me all about projects" ], 	"answer" : "blablabla bla bla" }, 	{ 	"intentName" : "GetThirdQuestion", 	"questions" : [ 	"Give me third question" ], 	"answer" : "This is answer to the third question" } ], "invocationName" : "Saburly", "invocationAnswer" : "We are Saburly team one" })
+		* Insert dummy skill with : db.skill_list.insert({"skillID" : "amzn1.ask.skill.efbf0564-a732-4ba9-958f-57939138adae", "intents" : [ 	{ 	"intentName" : "GetFirstQuestion", "questionExplanation" : "",	"questions" : [ 	"tell me something about projects", 	"tell me all about projects" ], 	"answer" : "blablabla bla bla" }, 	{ 	"intentName" : "GetThirdQuestion", "questionExplanation" : "",	"questions" : [ 	"Give me third question" ], 	"answer" : "This is answer to the third question" } ], "invocationName" : "Saburly", "invocationAnswer" : "We are Saburly team one" })
 		
         *obtain _id and change in web/src/App.js, and also skill_db_id in backend/config.js
 		*enter web/ dir and run "npm run build"

backend/components/alexa.js

@@ -1,204 +0,0 @@
-var alexa = require ('alexa-app');
-const config = require ('../config/config');
-var databaseHelper = require ('../helpers/database');
-
-//User data for sending message, this is skill-related and will be in some skill container
-var Name = null;
-var Email = null;
-var Message = null;
-var State = 0; // states should be defined in seperate file. (Not sending message, Waiting for name, Waiting for email, Waiting for message)
-//For now (this is not long term solution)
-// 0 : Not sending Message
-// 1 : Waiting for name
-// 2 : Waiting for email
-// 3 : Waiting for message
-
-var alexaApp = new alexa.app ('saburly'); // this means we still work with one skill
-
-module.exports = {
-  init: function (express) {
-    alexaApp.express ({
-      expressApp: express,
-    
-      // verifies requests come from amazon alexa. Must be enabled for production.
-      // You can disable this if you're running a dev environment and want to POST
-      // things to test behavior. enabled by default.
-      checkCert: false,
-    
-      // sets up a GET route when set to true. This is handy for testing in
-      // development, but not recommended for production. disabled by default
-      debug: true,
-    });    
-  },
-
-  updateIntentsJSON: function () {
-    databaseHelper
-      .getSkill (config.SKILL_DB_ID)
-      .then (skill => {
-        skill.intents.map (intent => {
-          alexaApp.intent (
-            intent.intentName,
-            {
-              slots: [],
-              utterances: intent.questions,
-            },
-            function (request, response) {
-              return response.say (intent.answer).shouldEndSession (false);
-            }
-          );
-        });
-
-        alexaApp.launch ((request, response) => {
-          return response.say (skill.invocationAnswer).shouldEndSession (false);
-        });
-
-        alexaApp.intent (
-          'EmailIntentLaunch',
-          {
-            slots: [],
-            utterances: [
-              'I want to send a message',
-              'I would like to send a message',
-              'I would like to leave a message',
-              'Leave a message',
-            ],
-          },
-          function (request, response) {
-            Name = null;
-            Email = null;
-            Message = null;
-            State = 1;
-
-            return response
-              .say ('Ok. What is your name')
-              .shouldEndSession (false);
-          }
-        );
-
-        //TODO : Watch out for this intent. It will make trouble with other regular intents
-        //if other intents have utterance with just one slot like {Data}
-        //It should be taken care somwhere before this, to check if Email Intent is invoked
-        //This is problem only if we introduce slot options for regular intents for users
-        alexaApp.intent (
-          'EmailIntent',
-          {
-            slots: {
-              Name: 'AMAZON.US_FIRST_NAME',
-              Email: 'AMAZON.LITERAL',
-              Message: 'AMAZON.LITERAL',
-              Data: 'AMAZON.LITERAL',
-            },
-            utterances: [
-              'My name is {-|Name}',
-              'I am {-|Name}',
-              '{dawdw at dwd wdw|Data}',
-              'My email is {wadwwdw at wadwwd wdw|Email}',
-              'Send replay to {fkofkeofe at dppfam wd|Email}',
-              'My message is {Quick brown fox jumps over lazy dog|Message}',
-            ],
-          },
-          function (request, response) {
-            let Data = undefined;
-            try {
-              if (!Name) Name = request.slot ('Name');
-            } catch (e) {
-              console.log ('Error. No name slot ');
-              Name = undefined;
-            }
-            try {
-              if (!Email) Email = request.slot ('Email');
-            } catch (e) {
-              console.log ('Error. No Email slot');
-              Email = undefined;
-            }
-            try {
-              if (!Message) Message = request.slot ('Message');
-            } catch (e) {
-              console.log ('Error. No Message slot');
-              Message = undefined;
-            }
-            try {
-              Data = request.slot ('Data');
-            } catch (e) {
-              console.log ('Error. No Data slot');
-              Data = undefined;
-            }
-            console.log ('State : ' + State);
-
-            //TODO : Responses could be configurable for each skill ?
-
-            if (State === 1) {
-              //Was waiting for name, so if Name is null, name is probably in Data
-              if ((!Name && Data) || Name) {
-                //got the name, let's continue for the email
-                if (!Name) Name = Data;
-                State = 2;
-                return response
-                  .say ('Ok ' + Name + '. What is your email ?')
-                  .shouldEndSession (false);
-              } else {
-                //Something is wrong, ask for name again
-                return response
-                  .say (
-                    'Sorry, I didnt understand your name. Can you say it again ?'
-                  )
-                  .shouldEndSession (false);
-              }
-            } else if (State === 2) {
-              //was waiting for email, so if Email is null, email is probably in Data
-              if ((!Email && Data) || Email) {
-                //Got the email, first verify email and than continue to message
-                if (!Email) Email = Data;
-                //TODO : verify email
-                State = 3;
-                return response
-                  .say ('Great. Whats the message ?')
-                  .shouldEndSession (false);
-              } else {
-                //Something is wrong, ask for the email again
-                return response
-                  .say (
-                    'Sorry, I didnt understan you email. Can you say it again ?'
-                  )
-                  .shouldEndSession (false);
-              }
-            } else if (State === 3) {
-              //Was waiting for message, so if Message is null, message is probably in Data
-              if ((!Message && Data) || Message) {
-                //Ok, we got all informations. Exit email intent
-                if (!Message) Message = Data;
-                State = 0;
-                //TODO : Send email
-                console.log (
-                  'Name : ' +
-                    Name +
-                    ' | Email : ' +
-                    Email +
-                    ' | Message :  ' +
-                    Message
-                );
-                return response.say (
-                  'Message sent. Someone will contact you ASAP'
-                );
-              } else {
-                //Something is wrong, ask for the message again
-                return response
-                  .say (
-                    'Sorry, I didnt understand your message. Can you say it again ?'
-                  )
-                  .shouldEndSession (false);
-              }
-            } else {
-              console.log ('State strange ! ' + State);
-            }
-          }
-        );
-      })
-      .catch (err => {
-        console.log (err);
-        alexaApp.launch ((request, response) => {
-          return response.say ('Sorry, there was no skill with that name');
-        });
-      });
-  },
-};

backend/config/config.js

@@ -3,15 +3,28 @@ var config = {};
 config.DB_URL = 'mongodb://localhost:27017/tellall';
 config.PORT = 5000;
 
-config.TOKEN = 'Atza|IwEBIBe6gDqrrowEEav6N-_6s4NztYeP3oG8PGWmu8ZiZw6lbOh3wNla3TK6pY-VEpT1d8an-dVf_n3kXJzVFsNo_4xBfZyFHGoCTDTFjs3yBRul4PVdBOhwwiH3-sgRLcUofZbe2oE06GmTcbfYtaStfXpQI5dfpldfnsJg_CvhSA6AHb_snJT3F6lyXzbV076d_3cYUMJxFldJGnYcviNHHxjjmuQTD06hhGzCbAxxe9eBmkuopRsNfyedLT2UlKP_ublah9CUGA3AdIX_3Iuke82jMwGnNl9gv7pbaDNEjAbj7IQSl3B08uuREtJq-oTBOjALNXRvFxTJmQjZwXNf9eHC7fSHJDdEPdZQU0AcffRQObAyAkUuL6Jv39OHzhb3Q64-zzoyODqnJyLP5SQZ2JVF53Kc_cTBqjIc9pXljqe7yEVk6JDs7q1zKbBibx_AQm57TO79IzWyLBzBMlYL5HdTsqEfRzLeDw2tws-hGMgkx2HWfdbYnmf5Qb4SyIhzvmmdfPLg3MVKTxjIBu1rx0xf3n0PLZP1EO6jsJPoMRPg77Gm4oit5Zp6s37ek3A3Vxh-ntoASpkrkxGTG9kVtRNt';
-config.REFRESH_TOKEN = 'Atzr|IwEBICA3kDhfSJxlwvnQp9AD1o115AC_KBbFd5GBg8oN_QHWn2or5xFQ09BruuK6a07tGHtTt_9q2Y21mnOMH4RDtYXTVG9ADgLE6mHWKZFxYVwt3kHMiUJdY5lJcsOtWLoblrS-bJ0BEXXK5nVDt_bSI5IB7NUf-9QVZxhovRH_ANSxdTjJT0_rMIAZY3WEj68FEap49q_pg72BhnxHVZD2TC3zvX96_DN65HE5SoSgT7OiMAeiJewB_SyemW_HxBwaB-_X-G1ifOtnrzZ4gXTpOrEUlHI2YPuvRMBMtmz1h-nXDZYv3vwU3RA57Qj_ZNVcScj8_RXf2xq8w48v0PzZFXYBSalfnqPq6eUvSSbAJUp6bB8y596JlvR5dFQe_Z--X0Gkfo85IcyrI9D44vK9sJhrGhCVi2FDDa8pHczmNSen99JYZvDif-zpYzgbcymAkOV0gC7JvYMxlZfETT3NTBy7eVA7fJI1SZaeA_qW49xRcBkZBu5gkqTpeGWUU1cGr2aXRVVmXGM22NfV5E7KzvEBsCeHml_tCfxZeKY8Msd8hJb0Cd59u-_hsuc8oNjsOpIdFF976dY3uTmAgHWpG2PH';
+//Bilal TOKENS
+//config.TOKEN = 'Atza|IwEBIBe6gDqrrowEEav6N-_6s4NztYeP3oG8PGWmu8ZiZw6lbOh3wNla3TK6pY-VEpT1d8an-dVf_n3kXJzVFsNo_4xBfZyFHGoCTDTFjs3yBRul4PVdBOhwwiH3-sgRLcUofZbe2oE06GmTcbfYtaStfXpQI5dfpldfnsJg_CvhSA6AHb_snJT3F6lyXzbV076d_3cYUMJxFldJGnYcviNHHxjjmuQTD06hhGzCbAxxe9eBmkuopRsNfyedLT2UlKP_ublah9CUGA3AdIX_3Iuke82jMwGnNl9gv7pbaDNEjAbj7IQSl3B08uuREtJq-oTBOjALNXRvFxTJmQjZwXNf9eHC7fSHJDdEPdZQU0AcffRQObAyAkUuL6Jv39OHzhb3Q64-zzoyODqnJyLP5SQZ2JVF53Kc_cTBqjIc9pXljqe7yEVk6JDs7q1zKbBibx_AQm57TO79IzWyLBzBMlYL5HdTsqEfRzLeDw2tws-hGMgkx2HWfdbYnmf5Qb4SyIhzvmmdfPLg3MVKTxjIBu1rx0xf3n0PLZP1EO6jsJPoMRPg77Gm4oit5Zp6s37ek3A3Vxh-ntoASpkrkxGTG9kVtRNt';
+//config.REFRESH_TOKEN = 'Atzr|IwEBICA3kDhfSJxlwvnQp9AD1o115AC_KBbFd5GBg8oN_QHWn2or5xFQ09BruuK6a07tGHtTt_9q2Y21mnOMH4RDtYXTVG9ADgLE6mHWKZFxYVwt3kHMiUJdY5lJcsOtWLoblrS-bJ0BEXXK5nVDt_bSI5IB7NUf-9QVZxhovRH_ANSxdTjJT0_rMIAZY3WEj68FEap49q_pg72BhnxHVZD2TC3zvX96_DN65HE5SoSgT7OiMAeiJewB_SyemW_HxBwaB-_X-G1ifOtnrzZ4gXTpOrEUlHI2YPuvRMBMtmz1h-nXDZYv3vwU3RA57Qj_ZNVcScj8_RXf2xq8w48v0PzZFXYBSalfnqPq6eUvSSbAJUp6bB8y596JlvR5dFQe_Z--X0Gkfo85IcyrI9D44vK9sJhrGhCVi2FDDa8pHczmNSen99JYZvDif-zpYzgbcymAkOV0gC7JvYMxlZfETT3NTBy7eVA7fJI1SZaeA_qW49xRcBkZBu5gkqTpeGWUU1cGr2aXRVVmXGM22NfV5E7KzvEBsCeHml_tCfxZeKY8Msd8hJb0Cd59u-_hsuc8oNjsOpIdFF976dY3uTmAgHWpG2PH';
+
+//Saburly TOKENS
+config.TOKEN = 'Atza|IwEBIABS0RvlVshGGO64X0tabhUuzpJKjbWNgxpRiy7YTftFD_lWlp-cbeXuVjRAu8kior2W2C5swf_rEHYvELQXdw78gB9WJQh4ITncPgqNCxvEnwVpIXiyeC_O287DRErnTYbI3s34i4NcxrXzobB8fIpTZxOkg6BI6vQGvvaiNLsTim2ElDYgAEmdgTN77llcMai521aovDqEw_XFc6GspeXhiGKxRomCMIL2UaT649owapDQ3y3Ug9eHvEaBzqjYdOUAtRtv19BGkG8YPs3npHmP5AD0Oc3ByCfrofcGk7fdd_nq28pRX6h4LXk4ylM279qlneWh9EErsWh8vtWuGEGusnDxW17OzEzf7HuwNDqdCJ6gCrIEkZaHISrSQ-vTsYGhKbv0z4nNjf_W_aoc9UJr9LnISCXx424R--iGDKZXhYWlZRjaiHsXE33MpS_M-sdN6GXYQwIjanTUahVXh5h-IBam5uJzTejE6CkIh5iUJ6um2IlDelJRMGS-T_aaG3zUvEagvEd9V9Z5mVN_kmO8bH4H2VefZuFGHRsCPa6SoLrlN0rkXK5fMw-zXfV2MHvQFdkgqYqGKxiEwWJ-g4n1ZrcPtWQowHT2z2yWrfnM2A6g8GIdPT23znmRcrdz4EU';
+config.REFRESH_TOKEN = 'Atzr|IwEBIENdBZntrzvJYesv8SGhnty4Nyk2ZySL09elw5N0wH8S1Brz1UgIYLqenw3sKKxnc-VrIUbNtl1Ka4GDKwcTr2fDU_AbKQ6YXzeRBrfRQVvNOeCtjZE8P6Kg1PxAeQoCsqo7WPxK8ZdUaLwPjt_xiZ1FXtr01g-211PJs4KEg5jyF5nY2S14jA_TbwDW6ihpNqWd6ZklTZSRaOeSGa1mXZCSZ5yTsZIQV1Pn0fKhCXtcVg2L833YqRmextmHij4-2NtBQdW3gif5MPdhYjTqDNwgxO3OOagK1uSFqXOnMcmEDnxZuQQApugfDzClfN6DiDALCKN4dVAX8-OU_L2xsUkKiFP9rQjvHWJoRFBT1FpXjBfoVyzM1AaJ6C83WX6SjOBE0hhikQKIaPSe1ikK8_MzOIs2wqLLPnLGnKj3kcKMkDmY6DMgxfWj2H0hwLy0oZ7_qykS7wUHMGjRO5yScuBWFIr0RFFu00GS7zrKjkhFc_E4ZBBKskn0gywS-5pogo0U1rQtLg8lQJsVbxXQwtq2TxkGFMBiVxtQcXtHM1qbCVXpZQbk7ezxvasj4yAIsF4H7KBiZSGmWHkk4yADykWJSntTjFcM2wG0wSiEYoYzJQ';
 config.TOKEN_EXPIRES_IN = 1515100500;
 
-config.SKILL_ID = 'amzn1.ask.skill.efbf0564-a732-4ba9-958f-57939138adae';
+
+
+//config.SKILL_ID = 'amzn1.ask.skill.efbf0564-a732-4ba9-958f-57939138adae'; //bilal
+config.SKILL_ID = 'amzn1.ask.skill.2445552d-954d-4cd6-b77f-295368e02842'; //saburly
 //config.SKILL_DB_ID = '5a5016e775becaef2015da10'; //for server
 config.SKILL_DB_ID = '5a232fb86ce046c749739455'; //for local
 
-config.CLIENT_ID = 'amzn1.application-oa2-client.c748ca56ded04a95b236979898585ff7';
-config.CLIENT_SECRET = '6dea8125cecd049d3c4cff7bb5bdfd3ff17bc6fed246c4c8f6b519d9ed08d0b3';
+//Bilal 
+//config.CLIENT_ID = 'amzn1.application-oa2-client.c748ca56ded04a95b236979898585ff7';
+//config.CLIENT_SECRET = '6dea8125cecd049d3c4cff7bb5bdfd3ff17bc6fed246c4c8f6b519d9ed08d0b3';
+
+//Saburly
+config.CLIENT_ID = 'amzn1.application-oa2-client.8c183daec15c488c9126b62bda9f7832';
+config.CLIENT_SECRET = '3acaa0755291132ee11e1cceaa100feef96a0244662df712a52189199cc655de';
 
 module.exports = config;

backend/config/constants.js

@@ -1,31 +1,61 @@
 const constants = {};
 
 constants.amazonResultCodes = {
-    OK:200,
-    ACCEPTED:202,
-    BAD_REQUEST:400,
-    UNAUTHORIZED:401,
-    NOT_FOUND:404,
-    CONFLICT:409,
-    PAYLOAD_TOO_LARGE:413
-}
+  OK: 200,
+  ACCEPTED: 202,
+  BAD_REQUEST: 400,
+  UNAUTHORIZED: 401,
+  NOT_FOUND: 404,
+  CONFLICT: 409,
+  PAYLOAD_TOO_LARGE: 413,
+};
 
 constants.apiResultCodes = {
-    GENERIC_ERROR : -1,
-    OK:0,
-    AMAZON_ERROR:1, //amazon api works, but error is some of the amazonResultCodes
-    AMAZON_FAIL:2, //amazon api doesn't work
-    DATABASE_ERROR:3,
-    NO_SKILL:4,
-    INCONSISTEN_STATE:5,
-}
+  GENERIC_ERROR: -1,
+  OK: 0,
+  AMAZON_ERROR: 1, //amazon api works, but error is some of the amazonResultCodes
+  AMAZON_FAIL: 2, //amazon api doesn't work
+  DATABASE_ERROR: 3,
+  NO_SKILL: 4,
+  INCONSISTENT_STATE: 5,
+  INVALID_SKILL: 6,
+};
 
 constants.HTTPResultCodes = {
-    INTERNAL_SERVER_ERROR : 500,
-}
+  INTERNAL_SERVER_ERROR: 500,
+};
 
 constants.SKILL_ID_LENGTH = 24;
 
+constants.voiceResponseStrings = {
+  QUESTION_NOT_FOUND: 'Sorry, I didnt understand',
+  GENERIC_CONTINUE: 'Say something to continue',
+  DIDNT_ASK_ANYTHING: 'There was no question to answer to',
+};
 
+//Timing is given in [ms]
+constants.voiceResponseTimings = {
+  PAUSE_BETWEEN_QUESTIONS: 650,
+  PAUSE_AFTER_WELCOME_MESSAGE: 650,
+};
 
-module.exports = constants;
+constants.stringConstraints = {
+  INTENT_EXPLANATION_MAX_LENGTH: 70,
+
+  INTENT_NAME_MAX_LENGTH: 30,
+  INTENT_NAME_MIN_LENGTH: 2,
+
+  QUESTION_MAX_LENGTH: 150,
+  QUESTION_MIN_LENGTH: 2,
+
+  ANSWER_MAX_LENGTH: 150,
+  ANSWER_MIN_LENGTH: 2,
+
+  INVOCATION_NAME_MAX_LENGTH: 50,
+  INVOCATION_NAME_MIN_LENGTH: 2,
+  INVOCATION_ANSWER_MAX_LENGTH: 100,
+
+  EMAIL_MAX_LENGTH: 100,
+};
+
+module.exports = constants;

backend/config/email.js

@@ -0,0 +1,14 @@
+var config = {};
+
+config.PORT = 587;
+config.SMTP_HOST = 'smtp.mail.com';
+config.SECURE = false;
+config.AUTH = {
+  user: 'saburly@mail.com',
+  pass: 'KeepSaburly',
+};
+
+config.FROM_EMAIL = 'saburly@mail.com';
+config.SUBJECT = 'Message from Saburly service';
+
+module.exports = config;

backend/controllers/index.js

@@ -1,5 +1,6 @@
 var express = require ('express'), router = express.Router ();
 
 router.use ('/skill', require ('./skill'));
+router.use ('/saburly', require('./saburlyEntryPoint'));
 
 module.exports = router;

backend/controllers/saburlyEntryPoint.js

@@ -0,0 +1,9 @@
+var express = require ('express'), router = express.Router ();
+var bodyParser = require ('body-parser');
+var alexa = require ('../models/alexa');
+
+router.post ('/', bodyParser.json (), async (req, res) => {
+  alexa.run (req, res);
+});
+
+module.exports = router;

backend/controllers/skill.js

@@ -2,8 +2,9 @@ var express = require ('express'), router = express.Router ();
 const constants = require ('../config/constants');
 var databaseHelper = require ('../helpers/database');
 var amazonHelper = require ('../helpers/amazon');
+var skillValidator = require('../helpers/skillValidator');
 var bodyParser = require ('body-parser');
-var alexa = require ('../components/alexa');
+var alexa = require ('../models/alexa');
 
 router.get ('/:id', async (req, res, next) => {
   const id = req.params.id;
@@ -31,6 +32,20 @@ router.put ('/:id', bodyParser.json (), async (req, res, next) => {
   delete skill.updateOnAmazon;
   delete skill._id;
 
+  //Validate skill
+  if (!skillValidator.validateSkill(skill)){
+    //skill not valid
+    res
+    .status (
+      constants.HTTPResultCodes.INTERNAL_SERVER_ERROR
+    )
+    .json ({
+      result: constants.apiResultCodes.INVALID_SKILL,
+      message: '',
+    });
+    return;
+  }
+
   //First get current skill from DB
   databaseHelper
     .getSkill (id)
@@ -41,6 +56,7 @@ router.put ('/:id', bodyParser.json (), async (req, res, next) => {
         .then (() => {
           //Ok, done, now update skill on Amazon (if needed)
           if (updateOnAmazon) {
+            //We need to update skill on Amazon
             amazonHelper
               .updateSkill (skill)
               .then (amazonResult => {
@@ -49,47 +65,80 @@ router.put ('/:id', bodyParser.json (), async (req, res, next) => {
                   amazonResult === constants.amazonResultCodes.ACCEPTED
                 ) {
                   res.json ({result: constants.apiResultCodes.OK, message: ''});
-                  alexa.updateIntentsJSON ();
+                  alexa.updateModel ();
                 } else {
-                  res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({
-                    result: constants.apiResultCodes.AMAZON_ERROR,
-                    message: amazonResult,
-                  });
+                  //Update on amazon failed, revert changes in database and send error to user
+                  databaseHelper
+                    .updateSkill (id, currentSkillState)
+                    .then (() => {
+                      res
+                        .status (
+                          constants.HTTPResultCodes.INTERNAL_SERVER_ERROR
+                        )
+                        .json ({
+                          result: constants.apiResultCodes.AMAZON_ERROR,
+                          message: amazonResult,
+                        });
+                    })
+                    .catch (() => {
+                      //This should never happen, something is seriously wrong, like no database connection
+                      res
+                        .status (
+                          constants.HTTPResultCodes.INTERNAL_SERVER_ERROR
+                        )
+                        .json ({
+                          result: constants.apiResultCodes.INCONSISTENT_STATE,
+                          message: '',
+                        });
+                    });
                 }
               })
               .catch (e => {
-                res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({
-                  result: constants.apiResultCodes.AMAZON_FAIL,
-                  message: e,
-                });
+                //Update on amazon failed, revert changes in database and send error to user
+                databaseHelper
+                  .updateSkill (id, currentSkillState)
+                  .then (() => {
+                    res
+                      .status (constants.HTTPResultCodes.INTERNAL_SERVER_ERROR)
+                      .json ({
+                        result: constants.apiResultCodes.AMAZON_FAIL,
+                        message: e,
+                      });
+                  })
+                  .catch (() => {
+                    //This should never happen, something is seriously wrong, like no database connection
+                    res
+                      .status (constants.HTTPResultCodes.INTERNAL_SERVER_ERROR)
+                      .json ({
+                        result: constants.apiResultCodes.INCONSISTENT_STATE,
+                        message: '',
+                      });
+                  });
               });
-          }else{
+          } else {
+            //No need to update on Amazon, tell to user it's ok
             res.json ({result: constants.apiResultCodes.OK, message: ''});
-            alexa.updateIntentsJSON ();
+            alexa.updateModel ();
           }
         })
         .catch (() => {
-          //Update in database didn't go well, revert changes
-          databaseHelper
-            .updateSkill (id, currentSkillState)
-            .then (() => {
-              res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({
-                result: constants.apiResultCodes.DATABASE_ERROR,
-                message: '',
-              });
-            })
-            .catch (() => {
-              //This should never happen, something is seriously wrong, like no database connection
-              res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({
-                result: constants.apiResultCodes.INCONSISTEN_STATE,
-                message: '',
-              });
-            });
+          //Update in database didn't go well, no need to revert since it failed to write in the first place
+          //just send error to user
+          res
+          .status (
+            constants.HTTPResultCodes.INTERNAL_SERVER_ERROR
+          )
+          .json ({
+            result: constants.apiResultCodes.DATABASE_ERROR,
+            message: '',
+          });
         });
     })
     .catch (e => {
       //I don't know why, but something went wrong, possibly ID of skill is wrong, doesn't exist in DB
-      res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({result: constants.apiResultCodes.NO_SKILL, message: ''});
+      res
+        .status (constants.HTTPResultCodes.INTERNAL_SERVER_ERROR)
+        .json ({result: constants.apiResultCodes.NO_SKILL, message: ''});
     });
 });
 

backend/helpers/amazon.js

@@ -37,15 +37,22 @@ var refreshTokens = function () {
     request (options, function (error, response, body) {
       if (error) {
         reject (error);
-      }else{
+      } else {
         parsedResponse = JSON.parse (body);
-        if (parsedResponse.refresh_token){
-          databaseHelper.updateTokens(parsedResponse.refresh_token, parsedResponse.access_token, parsedResponse.expires_in).then(()=>{
-            resolve();
-          }).catch(e=>{
-            reject(e);
-          });
-        }else{
+        if (parsedResponse.refresh_token) {
+          databaseHelper
+            .updateTokens (
+              parsedResponse.refresh_token,
+              parsedResponse.access_token,
+              parsedResponse.expires_in
+            )
+            .then (() => {
+              resolve ();
+            })
+            .catch (e => {
+              reject (e);
+            });
+        } else {
           reject (body);
         }
       }
@@ -56,85 +63,214 @@ var refreshTokens = function () {
 var generateInteractionModel = function (skill) {
   let result = {};
   let allIntents = [];
-  let defaultIntents = [
-    {
-      name: 'AMAZON.CancelIntent',
-      samples: [],
-    },
-    {
-      name: 'AMAZON.HelpIntent',
-      samples: [],
-    },
-    {
-      name: 'AMAZON.StopIntent',
-      samples: [],
-    },
-  ];
-
-  /*
-    defaultIntents.map(intent=>{
-        allIntents.push(intent);
-    });
-    */
 
   skill.intents.map (intent => {
     allIntents.push ({name: intent.intentName, samples: intent.questions});
   });
 
-  //Special Email Intents :
+  //Built-In like intents (Amazon built-in don't work, probably something related to existance of dialog intent
+  
   allIntents.push ({
-    name: 'EmailIntentLaunch',
+    name: 'HelpIntent',
+    samples: ['Help', 'Can you help me', 'I need help'],
     slots: [],
+  },
+  {
+    name: 'CancelIntent',
+    samples: ['Cancel', 'Stop', 'Please stop'],
+    slots: [],
+  },
+  {
+    name: 'YesIntent',
     samples: [
-      'I want to send a message',
-      'I would like to send a message',
-      'I would like to leave a message',
-      'Leave a message',
+      'Yes',
+      'Yes please',
+      'I would like that',
+      'Yes I would like that',
     ],
+    slots: [],
+  },
+  {
+    name: 'NoIntent',
+    samples: ['No', 'No thank you'],
+    slots: [],
   });
 
+  //Special intent for sending message (Dialog)
+
   allIntents.push ({
-    name: 'EmailIntent',
+    name: 'SendMessageIntent',
+    samples: [
+      'I would like to send a message',
+      'I want to send a message',
+      'Send message',
+    ],
     slots: [
       {
         name: 'Name',
         type: 'AMAZON.US_FIRST_NAME',
+        samples: ['My name is {Name}', 'I am {Name}', '{Name}'],
       },
       {
         name: 'Email',
-        type: 'AMAZON.LITERAL',
+        type: 'EmailSlot',
+        samples: ['My email is {Email}', '{Email}'],
       },
       {
         name: 'Message',
-        type: 'AMAZON.LITERAL',
+        type: 'MessageSlot',
+        samples: ['{Message}'],
       },
-      {
-        name: 'Data',
-        type: 'AMAZON.LITERAL',
-      },
-    ],
-
-    samples: [
-      'My name is {Name}',
-      'I am {Name}',
-      '{exampleww at wwdwdw|Data}',
-      'My email is {example at efefegedd|Email}',
-      'Send replay to {example at abcdefg|Email}',
-      'My message is {The quick brown fox jumps over the lazy dog.The quick brown fox jumps over the lazy dog.The quick brown fox jumps over the lazy dog.|Message}',
     ],
   });
 
+  let customSlotTypes = [
+    {
+      name: 'EmailSlot',
+      values: [
+        {
+          id: null,
+          name: {
+            value: 'bla@bla.bla',
+            synonyms: [],
+          },
+        },
+        {
+          id: null,
+          name: {
+            value: 'bla.bla@bla.bla.bla',
+            synonyms: [],
+          },
+        },
+        {
+          id: null,
+          name: {
+            value: 'bla_bla@bla.bla',
+            synonyms: [],
+          },
+        },
+      ],
+    },
+    {
+      name: 'MessageSlot',
+      values: [
+        {
+          id: null,
+          name: {
+            value: 'Quick brown fox jumps over lazy dog',
+            synonyms: [],
+          },
+        },
+        {
+          id: null,
+          name: {
+            value: 'Quick brown fox jumps over lazy dog. Quick brown fox jumps over lazy dog.',
+            synonyms: [],
+          },
+        },
+        {
+          id: null,
+          name: {
+            value: 'Quick brown fox jumps over lazy dog. Quick brown fox jumps over lazy dog. Quick brown fox jumps over lazy dog.',
+            synonyms: [],
+          },
+        },
+      ],
+    },
+  ];
+
+  let dialogPrompts = [
+    {
+      id: 'Elicit.Intent-SendMessageIntent.IntentSlot-Name',
+      variations: [
+        {
+          type: 'PlainText',
+          value: 'What is your name ?',
+        },
+        {
+          type: 'PlainText',
+          value: 'Tell me your name',
+        },
+      ],
+    },
+    {
+      id: 'Elicit.Intent-SendMessageIntent.IntentSlot-Email',
+      variations: [
+        {
+          type: 'PlainText',
+          value: 'What is your email ?',
+        },
+        {
+          type: 'PlainText',
+          value: 'Tell me your email',
+        },
+      ],
+    },
+    {
+      id: 'Elicit.Intent-SendMessageIntent.IntentSlot-Message',
+      variations: [
+        {
+          type: 'PlainText',
+          value: 'What is your message',
+        },
+      ],
+    },
+  ];
+
+  let dialogIntents = [
+    {
+      name: 'SendMessageIntent',
+      confirmationRequired: false,
+      prompts: {},
+      slots: [
+        {
+          name: 'Name',
+          type: 'AMAZON.US_FIRST_NAME',
+          elicitationRequired: true,
+          confirmationRequired: false,
+          prompts: {
+            elicitation: 'Elicit.Intent-SendMessageIntent.IntentSlot-Name',
+          },
+        },
+        {
+          name: 'Email',
+          type: 'EmailSlot',
+          elicitationRequired: true,
+          confirmationRequired: false,
+          prompts: {
+            elicitation: 'Elicit.Intent-SendMessageIntent.IntentSlot-Email',
+          },
+        },
+        {
+          name: 'Message',
+          type: 'MessageSlot',
+          elicitationRequired: true,
+          confirmationRequired: false,
+          prompts: {
+            elicitation: 'Elicit.Intent-SendMessageIntent.IntentSlot-Message',
+          },
+        },
+      ],
+    },
+  ];
+
   result.interactionModel = {};
 
   result.interactionModel.languageModel = {
     invocationName: skill.invocationName,
+    types: customSlotTypes,
     intents: allIntents,
   };
 
+  result.interactionModel.prompts = dialogPrompts;
+  result.interactionModel.dialog = {};
+  result.interactionModel.dialog.intents = dialogIntents;
+
   return JSON.stringify (result);
 };
 
 var uploadSkill = function (skill) {
+  let generatedInteractionModel = generateInteractionModel (skill);
   return fetch (
     `https://api.amazonalexa.com/v0/skills/${skill.skillID}/interactionModel/locales/en-US`,
     {
@@ -142,7 +278,7 @@ var uploadSkill = function (skill) {
       headers: {
         Authorization: config.TOKEN,
       },
-      body: generateInteractionModel (skill),
+      body: generatedInteractionModel,
     }
   );
 };

backend/helpers/email.js

@@ -0,0 +1,75 @@
+const nodemailer = require ('nodemailer');
+const emailConfig = require('../config/email');
+
+module.exports = {
+  transformEmailFromAlexaResponse: function (email) {
+    //email from alexa response will contain words instead of symbols, like :
+    //at = @
+    //underscore = _
+    //dash = -
+    //dot = .
+    //TODO: This list should be longer
+    let transformedEmail = email
+      .replace (/\s/g, '') //remove all spaces
+      .replace (/at/gi, '@')
+      .replace (/underscore/gi, '_')
+      .replace (/dash/gi, '-')
+      .replace (/dot/gi, '.');
+
+    return transformedEmail;
+  },
+
+  isEmailValid: function (email) {
+    console.log ('Email to validate : ' + email);
+    let validEmailRegex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+
+    return validEmailRegex.test (email);
+  },
+
+  sendEmail: function (name, fromEmail, message, toEmail) {
+    return new Promise ((resolve, reject) => {
+      fromEmail = this.transformEmailFromAlexaResponse(fromEmail);
+      let messageBody =
+        'Hello. User left you a message on Saburly service using Alexa skill. \r\nMessage : ' +
+        message +
+        '\r\nName : ' +
+        name +
+        '\r\nEmail : ' +
+        fromEmail +
+        '\r\nYour Saburly team';
+
+      let messageBodyHTML =
+        '<p>Hello. User left you a message on Saburly service using Alexa skill.</p><br/><b>Message : </b><br/><p>' +
+        message +
+        '</p><br/><b>Name : </b>' +
+        name +
+        '<br/><b>Email : </b>' +
+        fromEmail +
+        '<br/><br/><b>Your Saburly team</b>';
+
+      let transporter = nodemailer.createTransport ({
+        host: emailConfig.SMTP_HOST,
+        port: emailConfig.PORT,
+        secure: emailConfig.SECURE,
+        auth: emailConfig.AUTH,
+      });
+
+      var mailOptions = {
+        from: emailConfig.FROM_EMAIL,
+        replyTo: fromEmail,
+        to: toEmail,
+        subject: emailConfig.SUBJECT,
+        text: messageBody,
+        html: messageBodyHTML,
+      };
+
+      transporter.sendMail (mailOptions, (error, info) => {
+        if (error) {
+          reject (error);
+        } else {
+          resolve (info);
+        }
+      });
+    });
+  },
+};

backend/helpers/skillValidator.js

@@ -0,0 +1,100 @@
+const constants = require ('../config/constants');
+
+validateEmail = function (email) {
+  if (email.length > constants.stringConstraints.EMAIL_MAX_LENGTH) return false;
+  let validEmailRegex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+  return validEmailRegex.test (email);
+};
+
+validateIntentName = function (intentName) {
+  if (
+    intentName.length < constants.stringConstraints.INTENT_NAME_MIN_LENGTH ||
+    intentName.length > constants.stringConstraints.INTENT_NAME_MAX_LENGTH
+  )
+    return false;
+  let validIntentNameRegex = /^[a-z]*$/i;
+  return validIntentNameRegex.test (intentName);
+};
+
+validateQuestion = function (question) {
+  if (
+    question.length < constants.stringConstraints.QUESTION_MIN_LENGTH ||
+    question.length > constants.stringConstraints.QUESTION_MAX_LENGTH
+  )
+    return false;
+  let validQuestionNameRegex = /^[a-z,.' ]*$/i;
+  return validQuestionNameRegex.test (question);
+};
+
+validateAnswer = function (answer) {
+  if (
+    answer.length < constants.stringConstraints.ANSWER_MIN_LENGTH ||
+    answer.length > constants.stringConstraints.ANSWER_MAX_LENGTH
+  )
+    return false;
+  let validAnswerRegex = /^[a-z,.' ]*$/i;
+  return validAnswerRegex.test (answer);
+};
+
+validateInvocationName = function (invocationName) {
+  if (
+    invocationName.length < constants.stringConstraints.INVOCATION_NAME_MIN_LENGTH ||
+    invocationName.length > constants.stringConstraints.INVOCATION_NAME_MAX_LENGTH
+  )
+    return false;
+  let validInvocationNameRegex = /^[a-z,.' ]*$/i;
+  return validInvocationNameRegex.test (invocationName);
+};
+
+validateInvocationAnswer = function (invocationAnswer) {
+  if (invocationAnswer.length > constants.stringConstraints.INVOCATION_ANSWER_MAX_LENGTH)
+    return false;
+  let validInvocationAnswerRegex = /^[a-z,.' ]*$/i;
+  return validInvocationAnswerRegex.test (invocationAnswer);
+};
+
+validateIntentExplanation = function (explanation) {
+  if (explanation.length > constants.stringConstraints.INTENT_EXPLANATION_MAX_LENGTH)
+    return false;
+  let validExplanationRegex = /^[a-z,.' ]*$/i;
+  return validExplanationRegex.test (explanation);
+};
+
+module.exports = {
+  validateSkill: function (skill) {
+    try {
+      if (
+        !validateEmail (skill.contactEmail) ||
+        !validateInvocationName (skill.invocationName) ||
+        !validateInvocationAnswer (skill.invocationAnswer)
+      )
+        return false;
+
+      for (let i = 0; i < skill.intents.length; i++) {
+        if (!validateIntentName (skill.intents[i].intentName)) return false;
+        if (!validateAnswer (skill.intents[i].answer)) return false;
+
+        for (let j = 0; j < skill.intents.length; j++) {
+          if (i === j) continue;
+          if (skill.intents[i].intentName === skill.intents[j].intentName)
+            return false;
+        }
+
+        for (let j = 0; j < skill.intents[i].questions.length; j++) {
+          if (!validateQuestion (skill.intents[i].questions[j])) return false;
+
+          for (let k = 0; k < skill.intents[i].questions.length; k++) {
+            if (j === k) continue;
+            if (skill.intents[i].questions[j] === skill.intents[i].questions[k])
+              return false;
+          }
+        }
+      }
+
+      return true;
+    } catch (e) {
+      console.log ('Error : ' + e);
+      return false;
+    }
+  },
+};

backend/models/alexa.js

@@ -0,0 +1,231 @@
+var Alexa = require ('alexa-sdk');
+const config = require ('../config/config');
+var databaseHelper = require ('../helpers/database');
+var emailHelper = require ('../helpers/email');
+const constants = require ('../config/constants');
+
+var handlers = {};
+var destinationEmail;
+
+module.exports = {
+  run: function (req, res) {
+    // Build the context manually, because Amazon Lambda is missing
+    var context = {
+      succeed: function (result) {
+        res.json (result);
+      },
+      fail: function (error) {
+        console.log (error);
+        //We could send error json from here
+      },
+    };
+
+    var alexa = Alexa.handler (req.body, context);
+    alexa.appId = config.SKILL_ID;
+    alexa.registerHandlers (handlers);
+    alexa.execute ();
+  },
+  updateModel: function () {
+    //Get info from database, and store it for faster response on intent
+    databaseHelper
+      .getSkill (config.SKILL_DB_ID)
+      .then (activeSkill => {
+        handlers = {};
+        destinationEmail = activeSkill.contactEmail;
+
+        let listOfPossibleQuestions = '';
+        activeSkill.intents.forEach (intent => {
+          if (intent.questions.length > 0 && intent.intentExplanation) {
+            listOfPossibleQuestions +=
+              intent.intentExplanation +
+              intent.questions[0] +
+              '<break time="' +
+              constants.voiceResponseTimings.PAUSE_BETWEEN_QUESTIONS +
+              'ms"/>';
+          }
+        });
+        listOfPossibleQuestions += 'If you dont know what to do, just say help or stop';
+
+        //Handler for launch requestconsole.log()
+        handlers = {
+          LaunchRequest: function () {
+            this.response
+              .speak (
+                activeSkill.invocationAnswer +
+                  '<break time="' +
+                  constants.voiceResponseTimings.PAUSE_AFTER_WELCOME_MESSAGE +
+                  'ms"/>' +
+                  'Would you like to hear list of questions that you can ask me'
+              )
+              .listen (constants.voiceResponseStrings.GENERIC_CONTINUE); //Phrase from listen doesn't work !!!
+              this.attributes['LaunchRequestYesNo'] = true;
+            this.emit (':responseReady');
+          },
+        };
+
+        //Handlers for user defined questions
+        activeSkill.intents.map (intent => {
+          handlers[intent.intentName] = function () {
+            if (this.attributes['LaunchRequestYesNo']){
+              this.attributes['LaunchRequestYesNo'] = false;
+            }
+            this.response
+              .speak (intent.answer)
+              .listen (constants.voiceResponseStrings.GENERIC_CONTINUE); //Phrase from listen doesn't work !!!
+            this.emit (':responseReady');
+          };
+        });
+
+        //Handler for sending message
+        handlers.SendMessageIntent = function () {
+          if (this.attributes['LaunchRequestYesNo']){
+            this.attributes['LaunchRequestYesNo'] = false;
+          }
+
+          let intent = this.event.request.intent;
+
+          console.log ('Dialog state : ' + this.event.request.dialogState);
+          console.log (intent);
+          //STARTED, IN_PROGRESS
+
+          if (!intent.slots.Name.value) {
+            //Name not defined yet, ask user for name
+            const slotToElicit = 'Name';
+            const speechOutput = 'What is your name';
+            const repromptSpeech = speechOutput;
+            this.emit (
+              ':elicitSlot',
+              slotToElicit,
+              speechOutput,
+              repromptSpeech
+            );
+          } else if (!intent.slots.Email.value) {
+            //Name not defined yet, ask user for email
+            const slotToElicit = 'Email';
+            const speechOutput =
+              'Ok ' + intent.slots.Name.value + '. What is your email';
+            const repromptSpeech = speechOutput;
+            this.emit (
+              ':elicitSlot',
+              slotToElicit,
+              speechOutput,
+              repromptSpeech
+            );
+          } else if (!intent.slots.Message.value) {
+            intent.slots.Email.value = emailHelper.transformEmailFromAlexaResponse (
+              intent.slots.Email.value
+            );
+            if (!emailHelper.isEmailValid (intent.slots.Email.value)) {
+              //Email is not valid, ask again
+              const slotToElicit = 'Email';
+              const speechOutput =
+                'Sorry, that was not valid email. What is your email';
+              const repromptSpeech = speechOutput;
+              this.emit (
+                ':elicitSlot',
+                slotToElicit,
+                speechOutput,
+                repromptSpeech
+              );
+            } else {
+              //Email is valid
+              const slotToElicit = 'Message';
+              const speechOutput = 'Great. What is your message';
+              const repromptSpeech = speechOutput;
+              this.emit (
+                ':elicitSlot',
+                slotToElicit,
+                speechOutput,
+                repromptSpeech
+              );
+            }
+          } else {
+            //all slots are filled
+            console.log ('Name : ' + intent.slots.Name.value);
+            console.log ('Email : ' + intent.slots.Email.value);
+            console.log ('Message : ' + intent.slots.Message.value);
+            emailHelper
+              .sendEmail (
+                intent.slots.Name.value,
+                intent.slots.Email.value,
+                intent.slots.Message.value,
+                destinationEmail
+              )
+              .then (info => {
+                console.log (info);
+                this.response.speak (
+                  'Ok. Message sent. Someone will contact you ASAP'
+                );
+                this.emit (':responseReady');
+              })
+              .catch (error => {
+                console.log (error);
+                this.response.speak (
+                  'Sorry, there was a problem with sending message.'
+                );
+                this.emit (':responseReady');
+              });
+          }
+        };
+
+        //Built-In intents
+
+        handlers.CancelIntent = function () {
+          if (this.attributes['LaunchRequestYesNo']){
+            this.attributes['LaunchRequestYesNo'] = false;
+          }
+          this.response.speak ('Thank you for using Saburly');
+          this.emit (':responseReady');
+        };
+
+        handlers.HelpIntent = function () {
+          if (this.attributes['LaunchRequestYesNo']){
+            this.attributes['LaunchRequestYesNo'] = false;
+          }
+          this.response
+            .speak (listOfPossibleQuestions)
+            .listen (constants.voiceResponseStrings.GENERIC_CONTINUE); //Phrase from listen doesn't work !!!
+          this.emit (':responseReady');
+        };
+
+        handlers.YesIntent = function(){
+          if (this.attributes['LaunchRequestYesNo']){
+            this.attributes['LaunchRequestYesNo'] = false;
+            this.emit('HelpIntent');
+          }else{
+            this.response.speak(constants.voiceResponseStrings.DIDNT_ASK_ANYTHING).listen(constants.voiceResponseStrings.GENERIC_CONTINUE);
+            this.emit(':responseReady');
+          }
+        }
+
+        handlers.NoIntent = function (){
+          if (this.attributes['LaunchRequestYesNo']){
+            this.attributes['LaunchRequestYesNo'] = false;
+            this.response.speak('').listen(constants.voiceResponseStrings.GENERIC_CONTINUE);
+            this.emit(':responseReady');
+          }else{
+            this.response.speak(constants.voiceResponseStrings.DIDNT_ASK_ANYTHING).listen(constants.voiceResponseStrings.GENERIC_CONTINUE);
+            this.emit(':responseReady');
+          }
+        }
+
+        //Default handler for unknown question
+
+        handlers.Unhandled = function () {
+          this.response
+            .speak (constants.voiceResponseStrings.QUESTION_NOT_FOUND)
+            .listen (constants.voiceResponseStrings.GENERIC_CONTINUE);
+        };
+
+        //Session handlers
+
+        handlers.SessionEndedRequest = function () {
+          //We don't care for now
+        };
+      })
+      .catch (e => {
+        //Something is wrong, skill is not ready, use catch-all intent to inform user
+        console.log ('Error. Skill doesnt exist');
+      });
+  },
+};

backend/package.json

@@ -4,12 +4,13 @@
   "description": "",
   "main": "test.js",
   "dependencies": {
-    "alexa-app": "4.2.0",
+    "alexa-sdk": "^1.0.25",
     "body-parser": "^1.13.1",
     "ejs": "^2.5.7",
     "express": "^4.13.0",
     "isomorphic-fetch": "^2.2.1",
     "mongodb": "^2.2.33",
+    "nodemailer": "^4.4.1",
     "request": "^2.83.0"
   },
   "author": "Matt Kruse <github@mattkruse.com> (http://mattkruse.com/)",

backend/server.js

@@ -1,11 +1,7 @@
-var amazonHelper = require ('./helpers/amazon');
 var databaseHelper = require ('./helpers/database');
 const config = require ('./config/config');
-const constants = require ('./config/constants');
-require ('isomorphic-fetch');
 var express = require ('express');
-var alexa = require('./components/alexa');
-
+var alexa = require ('./models/alexa');
 
 var MongoClient = require ('mongodb').MongoClient;
 var ObjectID = require ('mongodb').ObjectID;
@@ -13,10 +9,7 @@ var ObjectID = require ('mongodb').ObjectID;
 const router = express.Router ();
 var app = express ();
 
-// ALWAYS setup the alexa app and attach it to express before anything else.
-alexa.init (app);
-
-app.set ('view engine', 'ejs');
+app.set ('view engine', 'ejs'); // Should be removed
 app.use (require ('./middleware')); //common middleware for all requests
 app.use (require ('./controllers')); //all routes
 
@@ -26,7 +19,7 @@ MongoClient.connect (config.DB_URL)
 
     app.listen (config.PORT, () => {
       console.log ('Express server running on port  ' + config.PORT);
-      alexa.updateIntentsJSON ();
+      alexa.updateModel ();
       databaseHelper.loadTokens ();
     });
   })

web/src/App.js

@@ -1,4 +1,4 @@
-import React, { Component } from 'react';
+import React, {Component} from 'react';
 import './css/App.css';
 import './css/popup.css';
 import IntentList from './components/IntentList';
@@ -6,90 +6,122 @@ import IntentDetails from './components/IntentDetails';
 import LaunchRequest from './components/LaunchRequest';
 import Contact from './components/Contact';
 import Popup from 'react-popup';
-import {getSkill, updateSkill} from './lib/api'
+import {getSkill, updateSkill} from './lib/api';
+import {isEmailValid} from './lib/helpers';
 import {
-          NEW_INTENT_SELECTED_INDEX,
-          LAUNCH_REQUEST_SELECTED_INDEX,
-          CONTACT_SELECTED_INDEX,
-          RESULT_CODES} from './config/constants'
+  NEW_INTENT_SELECTED_INDEX,
+  LAUNCH_REQUEST_SELECTED_INDEX,
+  CONTACT_SELECTED_INDEX,
+  RESULT_CODES,
+  INVOCATION_NAME_MIN_LENGTH,
+  INTENT_NAME_MIN_LENGTH,
+  QUESTION_MIN_LENGTH,
+  ANSWER_MIN_LENGTH,
+} from './config/constants';
 
 class App extends Component {
+  constructor (props) {
+    super (props);
 
-  constructor(props){
-    super(props);
+    this.state = {
+      _id: '5a232fb86ce046c749739455',
+      skillID: '',
+      skillName: '',
+      invocationName: 'Saburly',
+      invocationAnswer: 'We are saburly',
+      allIntents: [],
+      selectedIntent: {
+        intentName: '',
+        intentExplanation: '',
+        questions: [''],
+        answer: '',
+      },
+      selectedIndex: NEW_INTENT_SELECTED_INDEX,
+      contactEmail: '',
+      waiting: false,
+    };
 
-    this.state={_id:'5a232fb86ce046c749739455',
-                skillID:'',
-                skillName:'',
-                invocationName:'Saburly',
-                invocationAnswer:'We are saburly', 
-                allIntents:[], 
-                selectedIntent: {intentName:'',questions:[''],answer:''}, 
-                selectedIndex:NEW_INTENT_SELECTED_INDEX, 
-                contactEmail:'',
-                waiting: false
-              };
+    getSkill (this.state._id).then (l => l.json ()).then (result => {
+      if (result === undefined) return;
+      this.setState ({
+        skillID: result.skillID,
+        skillName: result.skillName,
+        invocationName: result.invocationName,
+        invocationAnswer: result.invocationAnswer,
+        allIntents: result.intents,
+        contactEmail: result.contactEmail,
+      });
+    });
 
-    getSkill(this.state._id).then(l=>l.json()).then(result=>{
-      if (result===undefined) return;
-      this.setState({ skillID:result.skillID,skillName:result.skillName, invocationName: result.invocationName,
-                      invocationAnswer: result.invocationAnswer, 
-                      allIntents: result.intents, contactEmail: result.contactEmail})
-    })
-
-    this.handleIntentClick = this.handleIntentClick.bind(this);
-    this.handleLaunchRequestClick = this.handleLaunchRequestClick.bind(this);
-    this.handleDeleteIntentClick = this.handleDeleteIntentClick.bind(this);
-    this.handleSaveIntentClick = this.handleSaveIntentClick.bind(this);
-    this.handleAddIntentClick = this.handleAddIntentClick.bind(this);
-    this.handleSaveLaunchRequestClick = this.handleSaveLaunchRequestClick.bind(this);
-    this.createSkill = this.createSkill.bind(this);
-    this.sendSkill = this.sendSkill.bind(this);
-    this.handleContactClick = this.handleContactClick.bind(this);
-    this.handleSaveEmailClick = this.handleSaveEmailClick.bind(this);
+    this.handleIntentClick = this.handleIntentClick.bind (this);
+    this.handleLaunchRequestClick = this.handleLaunchRequestClick.bind (this);
+    this.handleDeleteIntentClick = this.handleDeleteIntentClick.bind (this);
+    this.handleSaveIntentClick = this.handleSaveIntentClick.bind (this);
+    this.handleAddIntentClick = this.handleAddIntentClick.bind (this);
+    this.handleSaveLaunchRequestClick = this.handleSaveLaunchRequestClick.bind (
+      this
+    );
+    this.createSkill = this.createSkill.bind (this);
+    this.sendSkill = this.sendSkill.bind (this);
+    this.handleContactClick = this.handleContactClick.bind (this);
+    this.handleSaveEmailClick = this.handleSaveEmailClick.bind (this);
   }
 
-  render() {
+  render () {
     let rightPanel;
     switch (this.state.selectedIndex) {
       case LAUNCH_REQUEST_SELECTED_INDEX:
-        rightPanel = <LaunchRequest  invocationName={this.state.invocationName}
-                                  invocationAnswer={this.state.invocationAnswer}
-                                  onSaveClick={this.handleSaveLaunchRequestClick}
-                                  waiting={this.state.waiting}/> ;
+        rightPanel = (
+          <LaunchRequest
+            invocationName={this.state.invocationName}
+            invocationAnswer={this.state.invocationAnswer}
+            onSaveClick={this.handleSaveLaunchRequestClick}
+            waiting={this.state.waiting}
+          />
+        );
         break;
       case CONTACT_SELECTED_INDEX:
-        rightPanel =  <Contact contactEmail={this.state.contactEmail}
-                            onSaveEmailClick={this.handleSaveEmailClick}
-                            waiting={this.state.waiting}/> ;
+        rightPanel = (
+          <Contact
+            contactEmail={this.state.contactEmail}
+            onSaveEmailClick={this.handleSaveEmailClick}
+            waiting={this.state.waiting}
+          />
+        );
         break;
       default:
-        rightPanel = <IntentDetails  selectedIntent={this.state.selectedIntent}
-                                  onDeleteIntentClick={this.handleDeleteIntentClick}
-                                  onSaveIntentClick={this.handleSaveIntentClick}
-                                  waiting={this.state.waiting}/>;
+        rightPanel = (
+          <IntentDetails
+            selectedIntent={this.state.selectedIntent}
+            onDeleteIntentClick={this.handleDeleteIntentClick}
+            onSaveIntentClick={this.handleSaveIntentClick}
+            waiting={this.state.waiting}
+          />
+        );
     }
 
-    return(
+    return (
       <div className="App">
-      <Popup/>
+        <Popup />
         <div className="App-header">
           <h1> Tell All </h1>
         </div>
-        <IntentList allIntents={this.state.allIntents} 
-                    onLaunchRequestClick={this.handleLaunchRequestClick}
-                    onContactClick={this.handleContactClick}
-                    onIntentClick={this.handleIntentClick}
-                    onAddIntentClick={this.handleAddIntentClick}
-                    selectedIndex={this.state.selectedIndex}
-                    waiting={this.state.waiting}/>
-      
+        <IntentList
+          allIntents={this.state.allIntents}
+          onLaunchRequestClick={this.handleLaunchRequestClick}
+          onContactClick={this.handleContactClick}
+          onIntentClick={this.handleIntentClick}
+          onAddIntentClick={this.handleAddIntentClick}
+          selectedIndex={this.state.selectedIndex}
+          waiting={this.state.waiting}
+        />
+
         {rightPanel}
       </div>
     );
   }
 
-  createSkill(intents, name, answer, email, updateOnAmazon){
+  createSkill (intents, name, answer, email, updateOnAmazon) {
     return {
       _id: this.state._id,
       skillID: this.state.skillID,
@@ -97,97 +129,232 @@ class App extends Component {
       invocationName: name,
       invocationAnswer: answer,
       contactEmail: email,
-      updateOnAmazon: updateOnAmazon
+      updateOnAmazon: updateOnAmazon,
     };
   }
 
-  handleIntentClick(selectedIntent, index){
-    this.setState({selectedIntent:selectedIntent, selectedIndex: index, launchRequest:false});
+  handleIntentClick (selectedIntent, index) {
+    this.setState ({
+      selectedIntent: selectedIntent,
+      selectedIndex: index,
+    });
   }
 
-  handleLaunchRequestClick(){
-    this.setState({selectedIndex: LAUNCH_REQUEST_SELECTED_INDEX});
+  handleLaunchRequestClick () {
+    this.setState ({selectedIndex: LAUNCH_REQUEST_SELECTED_INDEX});
   }
 
-  handleContactClick(){
-    this.setState({selectedIndex: CONTACT_SELECTED_INDEX})
+  handleContactClick () {
+    this.setState ({selectedIndex: CONTACT_SELECTED_INDEX});
   }
 
-  handleSaveLaunchRequestClick(name, answer){
-    this.setState({waiting:true, invocationName:name, invocationAnswer: answer});
-    this.sendSkill(this.state.allIntents,true,{waiting:false},{waiting:false},name,answer,this.state.contactEmail,true);
+  handleSaveLaunchRequestClick (name, answer) {
+
+    if (name.length < INVOCATION_NAME_MIN_LENGTH){
+      Popup.alert ('Invocation name should be at least 2 characters long');
+      return;
+    }
+
+    this.setState ({
+      waiting: true,
+      invocationName: name,
+      invocationAnswer: answer,
+    });
+    this.sendSkill (
+      this.state.allIntents,
+      true,
+      {waiting: false},
+      {waiting: false},
+      name,
+      answer,
+      this.state.contactEmail,
+      true
+    );
   }
 
-  handleSaveEmailClick(email){
-    this.setState({waiting:true});
-    this.sendSkill(this.state.allIntents,true,{contactEmail: email, waiting:false},{waiting:false},this.state.invocationName,this.state.invocationAnswer,email,false);
+  handleSaveEmailClick (email) {
+    if (isEmailValid(email)){
+      this.setState ({waiting: true});
+      this.sendSkill (
+        this.state.allIntents,
+        true,
+        {contactEmail: email, waiting: false},
+        {waiting: false},
+        this.state.invocationName,
+        this.state.invocationAnswer,
+        email,
+        false
+      );
+    }else{
+      Popup.alert ('Please enter valid email');
+    }
   }
 
-  handleDeleteIntentClick(selectedIntent){
+  handleDeleteIntentClick (selectedIntent) {
     let id = -1;
     //TODO : Change comparsion method ! Same object with different proeprty sorting will not be same string
-    this.state.allIntents.map((intent,index)=>{
-      if ((id===-1) && (JSON.stringify(selectedIntent)===JSON.stringify(intent)))
-          id = index;
+    this.state.allIntents.map ((intent, index) => {
+      if (
+        id === -1 &&
+        JSON.stringify (selectedIntent) === JSON.stringify (intent)
+      )
+        id = index;
     });
 
-    if (id!==-1){
-      try{
-        let newAllIntentsJSON = JSON.stringify(this.state.allIntents);
-        let newAllIntents = JSON.parse(newAllIntentsJSON);
-        newAllIntents.splice(id,1);
-        this.setState({waiting:true});
+    if (id !== -1) {
+      try {
+        let newAllIntentsJSON = JSON.stringify (this.state.allIntents);
+        let newAllIntents = JSON.parse (newAllIntentsJSON);
+        newAllIntents.splice (id, 1);
+        this.setState ({waiting: true});
 
-        let newState = {allIntents: newAllIntents, selectedIntent: {intentName:'', questions:[''],answer:''}, waiting:false};
-        this.sendSkill(newAllIntents,true,newState,{waiting:false},this.state.invocationName,this.state.invocationAnswer,this.state.contactEmail,true);
-
-      }catch(e){
-        console.log("error : " + e);
+        let newState = {
+          allIntents: newAllIntents,
+          selectedIntent: {intentName: '', questions: [''], answer: ''},
+          waiting: false,
+        };
+        this.sendSkill (
+          newAllIntents,
+          true,
+          newState,
+          {waiting: false},
+          this.state.invocationName,
+          this.state.invocationAnswer,
+          this.state.contactEmail,
+          true
+        );
+      } catch (e) {
+        console.log ('error : ' + e);
       }
     }
   }
 
-  
-  handleSaveIntentClick(selectedIntent){
-    let newAllIntentsJSON = JSON.stringify(this.state.allIntents);
-    let newAllIntents = JSON.parse(newAllIntentsJSON);
+  handleSaveIntentClick (selectedIntent) {
 
-    let newState = null;
-    if (this.state.selectedIndex === NEW_INTENT_SELECTED_INDEX){
-      //new intent
-      newAllIntents.push(selectedIntent);
-      newState = {allIntents: newAllIntents, selectedIntent: selectedIntent, selectedIndex: newAllIntents.length-1, waiting:false};
-    }else{
-      newAllIntents[this.state.selectedIndex] = selectedIntent;
-      newState = {allIntents: newAllIntents, selectedIntent: selectedIntent, waiting: false};
+    if (selectedIntent.intentName.length < INTENT_NAME_MIN_LENGTH){
+      Popup.alert ('Question name should have at least 2 characters');
+      return;
     }
-    this.setState({waiting:true});
-    this.sendSkill(newAllIntents, true, newState, {waiting:false}, this.state.invocationName,this.state.invocationAnswer,this.state.contactEmail, true);
-  }
 
-  handleAddIntentClick(){
-    this.setState({allIntents: this.state.allIntents, selectedIndex: NEW_INTENT_SELECTED_INDEX,launchRequest:false,selectedIntent: {intentName:'',questions:[''], answer:''}});
-  }
+    if (selectedIntent.answer.length < ANSWER_MIN_LENGTH){
+      Popup.alert('Answer should have at least 2 characters');
+      return;
+    }
 
-  sendSkill(newAllIntents, showPopUp, resolveState, rejectState, newName, newAnswer, email, updateOnAmazon){
-    return new Promise((resolve,reject)=>{
-      updateSkill(this.createSkill(newAllIntents,newName,newAnswer,email,updateOnAmazon)).then(l=>l.json()).then(result=>{
-        if (result.result !== RESULT_CODES.OK){
-	        console.log(result.result);
-          if (showPopUp) Popup.alert('Model was not saved. Please try again');
-          this.setState(rejectState);
-          //reject('Error code : ' + jResult.result);
-        }else{
-          if (showPopUp) Popup.alert('Saved');
-          this.setState(resolveState);
-          resolve();
+    for(let i=0;i<selectedIntent.questions.length;i++){
+      if (selectedIntent.questions[i].length < QUESTION_MIN_LENGTH){
+        Popup.alert('Question variant should have at least 2 characters');
+        return;
+      }
+    }
+
+    //Check for same question variants and same question name in other intents
+
+    for (let i=0;i<this.state.allIntents.length;i++){
+      if (i!==this.state.selectedIndex){
+        if (selectedIntent.intentName === this.state.allIntents[i].intentName){
+          Popup.alert('Question name already exists');
+          return;
         }
-      }).catch(e=>{
-	      console.log('error : ' + e);
-        if (showPopUp) Popup.alert('Model was not saved. Please try again');
-        this.setState(rejectState);
-        //reject(e);
-      });
+
+        for(let j=0;j<selectedIntent.questions.length;j++){
+          for (let k=0;k<this.state.allIntents[i].questions.length;k++){
+            if (selectedIntent.questions[j] === this.state.allIntents[i].questions[k]){
+              Popup.alert('Question variant already exists (in question :' + this.state.allIntents[i].intentName + ')');
+              return;
+            }
+          }
+        }
+      }
+    }
+
+
+
+    let newAllIntentsJSON = JSON.stringify (this.state.allIntents);
+    let newAllIntents = JSON.parse (newAllIntentsJSON);
+    
+    let resolveState = null;
+    let rejectState = {waiting:false}
+
+    if (this.state.selectedIndex === NEW_INTENT_SELECTED_INDEX) {
+      //new intent
+      newAllIntents.push (selectedIntent);
+      resolveState = {
+        allIntents: newAllIntents,
+        selectedIntent: selectedIntent,
+        selectedIndex: newAllIntents.length - 1,
+        waiting: false,
+      };
+    } else {
+      newAllIntents[this.state.selectedIndex] = selectedIntent;
+      resolveState = {
+        allIntents: newAllIntents,
+        selectedIntent: selectedIntent,
+        waiting:false,
+      };
+    }
+    this.setState ({waiting: true});
+    this.sendSkill (
+      newAllIntents,
+      true,
+      resolveState,
+      rejectState,
+      this.state.invocationName,
+      this.state.invocationAnswer,
+      this.state.contactEmail,
+      true
+    );
+  }
+
+  handleAddIntentClick () {
+    this.setState ({
+      allIntents: this.state.allIntents,
+      selectedIndex: NEW_INTENT_SELECTED_INDEX,
+      launchRequest: false,
+      selectedIntent: {intentName: '', questions: [''], answer: '', intentExplanation:''},
+    });
+  }
+
+  sendSkill (
+    newAllIntents,
+    showPopUp,
+    resolveState,
+    rejectState,
+    newName,
+    newAnswer,
+    email,
+    updateOnAmazon
+  ) {
+    return new Promise ((resolve, reject) => {
+      updateSkill (
+        this.createSkill (
+          newAllIntents,
+          newName,
+          newAnswer,
+          email,
+          updateOnAmazon
+        )
+      )
+        .then (l => l.json ())
+        .then (result => {
+          if (result.result !== RESULT_CODES.OK) {
+            console.log (result);
+            if (showPopUp)
+              Popup.alert ('Model was not saved. Please try again');
+            this.setState (rejectState);
+            //reject('Error code : ' + jResult.result);
+          } else {
+            if (showPopUp) Popup.alert ('Saved');
+            this.setState (resolveState);
+            resolve ();
+          }
+        })
+        .catch (e => {
+          console.log ('error : ' + e);
+          if (showPopUp) Popup.alert ('Model was not saved. Please try again');
+          this.setState (rejectState);
+          //reject(e);
+        });
     });
   }
 }

web/src/components/IntentDetails.js

@@ -1,7 +1,8 @@
 import React, { Component } from 'react';
 import {Button, SVGIcon, TextField} from 'react-md';
 import '../css/components/IntentDetails.css';
-import {QUESTION_MAX_LENGTH, ANSWER_MAX_LENGTH, INTENT_NAME_MAX_LENGTH} from '../config/constants';
+import '../css/Common.css';
+import {QUESTION_MAX_LENGTH, ANSWER_MAX_LENGTH, INTENT_NAME_MAX_LENGTH, INTENT_EXPLANATION_MAX_LENGTH} from '../config/constants';
 
 class IntentDetails extends Component {
   constructor(props){
@@ -14,6 +15,7 @@ class IntentDetails extends Component {
     this.handleQuestionEdit = this.handleQuestionEdit.bind(this);
     this.handleAnswerEdit = this.handleAnswerEdit.bind(this);
     this.handleIntentNameEdit = this.handleIntentNameEdit.bind(this);
+    this.handleIntentExplanationEdit = this.handleIntentExplanationEdit.bind(this);
   }
 
   componentWillReceiveProps(props){
@@ -24,10 +26,19 @@ class IntentDetails extends Component {
     return (
       <div className="RightPanelBox">
         <div className="QuestionBox">
+        <h5 className="PanelSubTitle"> In introduction, Alexa will help users to ask her the right questions about your business. For Example, she will say : "To ask us about our services, say : What do you do ? ". What do you do ? is defined in question field. Alexa will use first variation of question in intro.</h5>
+        <TextField
+            id="intent explanation"
+            lineDirection="center"
+            placeholder="To ask us about our services, say "
+            className="md-cell md-cell--bottom IntentDetailsInputBoxes"
+            onChange={this.handleIntentExplanationEdit}
+            maxLength={INTENT_EXPLANATION_MAX_LENGTH}
+            value={this.state.intent.intentExplanation} />
+          <br/>
           <TextField
             id="intent name"
             lineDirection="center"
-            placeholder="Intent name"
             label="Question name"
             className="md-cell md-cell--bottom IntentDetailsInputBoxes"
             onChange={this.handleIntentNameEdit}
@@ -92,21 +103,28 @@ class IntentDetails extends Component {
   }
 
   handleQuestionEdit(e,index){
-    if (e.length === QUESTION_MAX_LENGTH) return;
+    if (e.length === QUESTION_MAX_LENGTH || !(/^[a-z,.' ]*$/i.test(e))) return;
     let newIntent = this.state.intent;
     newIntent.questions[index] = e;
     this.setState({intent: newIntent});
   }
 
+  handleIntentExplanationEdit(e,index){
+    if (e.length === INTENT_EXPLANATION_MAX_LENGTH || !(/^[a-z,.' ]*$/i.test(e))) return;
+    let newIntent = this.state.intent;
+    newIntent.intentExplanation = e;
+    this.setState({intent: newIntent});
+  }
+
   handleAnswerEdit(e){
-    if (e.length === ANSWER_MAX_LENGTH) return;
+    if (e.length === ANSWER_MAX_LENGTH || !(/^[a-z,.' ]*$/i.test(e))) return;
     let newIntent = this.state.intent;
     newIntent.answer = e;
     this.setState({intent: newIntent});
   }
 
   handleIntentNameEdit(e){
-    if (e.length === INTENT_NAME_MAX_LENGTH) return;
+    if (e.length === INTENT_NAME_MAX_LENGTH || !(/^[a-z]*$/i.test(e))) return;
     let newIntent = this.state.intent;
     newIntent.intentName = e;
     this.setState({intent: newIntent});

web/src/components/LaunchRequest.js

@@ -52,12 +52,12 @@ class LaunchRequest extends Component {
   }
 
   handleNameEdit(e){
-    if (e.length === INVOCATION_NAME_MAX_LENGTH) return;
+    if (e.length === INVOCATION_NAME_MAX_LENGTH || !(/^[a-z,.' ]*$/i.test(e))) return; 
     this.setState({invocationName: e});
   }
 
   handleAnswerEdit(e){
-    if (e.length === INVOCATION_ANSWER_MAX_LENGTH) return;
+    if (e.length === INVOCATION_ANSWER_MAX_LENGTH || !(/^[a-z,.' ]*$/i.test(e))) return; 
     this.setState({invocationAnswer: e});
   }
 }

web/src/config/constants.js

@@ -1,11 +1,19 @@
+export const INTENT_EXPLANATION_MAX_LENGTH = 70;
+
 export const INTENT_NAME_MAX_LENGTH = 30;
+export const INTENT_NAME_MIN_LENGTH = 2;
+
 export const QUESTION_MAX_LENGTH = 150;
+export const QUESTION_MIN_LENGTH = 2;
+
 export const ANSWER_MAX_LENGTH = 150;
+export const ANSWER_MIN_LENGTH = 2;
 
 export const INTENT_TITLE_MAX_LENGTH = 20;
 export const INTENT_TITLE_TOOLTIP_DELAY = 700;
 
-export const INVOCATION_NAME_MAX_LENGTH = 15;
+export const INVOCATION_NAME_MAX_LENGTH = 50;
+export const INVOCATION_NAME_MIN_LENGTH = 2;
 export const INVOCATION_ANSWER_MAX_LENGTH = 100;
 
 export const EMAIL_MAX_LENGTH = 100;

web/src/lib/helpers.js

@@ -0,0 +1,5 @@
+export const isEmailValid = email => {
+  let validEmailRegex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+
+  return validEmailRegex.test (email);
+};