hande unknown questions

Inconsistent state fix

README.md

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+To obtain new Auth Code :
+
+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
+
+Response URL (Decoded) :
+
+https://layla.amazon.com/api/skill/link/M2ODJY6EXOY6KO?code=ANCgZUfEFdlRRkpSNFuA&scope=alexa::ask:skills:readwrite alexa::ask:models:readwrite alexa::ask:skills:test
+
+Code : ANCgZUfEFdlRRkpSNFuA
+=======================================
+
+Now to get Access Token :
+
+Send a POST request to https://api.amazon.com/auth/o2/token with the following parameters
+
+ - HTTP Header Parameters
+
+		Content-Type: application/x-www-form-urlencoded
+
+ - HTTP Body Parameters
+
+		grant_type: authorization_code
+		code: The authorization code that was returned in the response.
+		client_id: The product’s client ID. To access this information, navigate to Amazon’s Developer Console. After you’ve logged in, click Get Started > under Alexa Voice Service, then click Edit next to a registered product (or create a new one). From the left navigation select Security Profile. This page contains both Client ID and Client Secret for your product.
+		client_secret: The product’s client secret. To access this information, navigate to Amazon’s Developer Console. After you’ve logged in, click Get Started > under Alexa Voice Service, then click Edit next to a registered product (or create a new one). From the left navigation select Security Profile. This page contains both Client ID and Client Secret for your product.
+		redirect_uri: One of the return URIs that you added to your app’s security profile when signing up.
+
+Response : 
+
+{
+    "access_token": "Atza|IwEBIBe6gDqrrowEEav6N-_6s4NztYeP3oG8PGWmu8ZiZw6lbOh3wNla3TK6pY-VEpT1d8an-dVf_n3kXJzVFsNo_4xBfZyFHGoCTDTFjs3yBRul4PVdBOhwwiH3-sgRLcUofZbe2oE06GmTcbfYtaStfXpQI5dfpldfnsJg_CvhSA6AHb_snJT3F6lyXzbV076d_3cYUMJxFldJGnYcviNHHxjjmuQTD06hhGzCbAxxe9eBmkuopRsNfyedLT2UlKP_ublah9CUGA3AdIX_3Iuke82jMwGnNl9gv7pbaDNEjAbj7IQSl3B08uuREtJq-oTBOjALNXRvFxTJmQjZwXNf9eHC7fSHJDdEPdZQU0AcffRQObAyAkUuL6Jv39OHzhb3Q64-zzoyODqnJyLP5SQZ2JVF53Kc_cTBqjIc9pXljqe7yEVk6JDs7q1zKbBibx_AQm57TO79IzWyLBzBMlYL5HdTsqEfRzLeDw2tws-hGMgkx2HWfdbYnmf5Qb4SyIhzvmmdfPLg3MVKTxjIBu1rx0xf3n0PLZP1EO6jsJPoMRPg77Gm4oit5Zp6s37ek3A3Vxh-ntoASpkrkxGTG9kVtRNt",
+    "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",
+    "token_type": "bearer",
+    "expires_in": 3600
+}
+
+================================
+
+Now to get new Access token using refresh token : 
+
+Send a POST request to https://api.amazon.com/auth/o2/token with the following parameters:
+
+	- HTTP Header Parameters
+
+		Content-Type: application/x-www-form-urlencoded
+
+	- HTTP Body Parameters
+
+		grant_type: refresh_token
+		refresh_token: The URL-encoded refresh token returned with the last request for a new access token.
+		client_id: To access this information, navigate to Amazon’s Developer Console. After you’ve logged in, click Get Started > under Alexa Voice Service, then click Edit next to a registered product (or create a new one). From the left navigation select Security Profile. This page contains both Client ID and Client Secret for your product.
+		client_secret: The website’s client secret. To access this information, navigate to Amazon’s Developer Console. After you’ve logged in, click Get Started > under Alexa Voice Service, then click Edit next to a registered product (or create a new one). From the left navigation select Security Profile. This page contains both Client ID and Client Secret for your product.
+
+Response : 
+
+{
+    "access_token": "Atza|IwEBILtBe3hrHovrMx7Oivng-RB2EKzvCm_epXJE2HXPMQzXTFqK10Zrqt-Z8paeRoLQBqbLCmqWvcr5RTNgw9qjtfzOTsOrXC1VKqKmxpqHTrJyn2TLGsCzFjBDfADNjCyufWTf2ZlsSzjxW2GiqCHlwoPSd9pFrLavtRThrm1J-5KvnFrj-yD-tYTSwrgX5W5p2SrjQxoE3aP5b96z6p8GvCL9lM1pddafAxkHb22A3IzR-pYGmEijb4ksRuaIf4WCNwssWV6GBIB2oJA5CU-Dtd2mOZZ5-dYpSSeCHyGumTYecTxxMVSdiVjCqB8WT6AtvvutWFQQoldHjJmIwBsTZP-iQcl-UyajOZJ03GqRUym5Hp-49uByzVG-MfR_Z5qVmYjjsLQEOLCY9kPVnmRGnOTj6YPjrHXibd6P8TQOMh4VTcgFpg-afKKABP6EeDwok1t2ivuYh5OJju-B1A6gzhMi4vQJYKq107e0QMYBBhrf_OqCgMbfnQZ8j40qocVGID5YWv8uk5wKyI61LrbzrTltmzxzNemzqbSBzwAlfNS6GW-jVjg8svsi1lb_EVRbhyOoWJWX3mEd-5GDYyUcyInleiAR0aIHVP94pZxqdiCamA",
+    "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",
+    "token_type": "bearer",
+    "expires_in": 3600
+}
+
+=======================
+=======================
+
+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" })
+		
+        *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"
+
+	Database (tellall) with collection (token_list)
+		* Insert tokens with : db.token_list.insert({"id" : 1, "refresh_token" : "...", "access_token" : "...", "expires_in" : 1515173601.754 })
+			(Change refresh_token and access_token dots with real ones)
+
+	Set skill_id, client_id and client_secret to appropriate values in backend/config.js
+	Set base_url to "tellall.saburly.com" in web/src/config.
+
+	Start backend service from backend/ running "node express.js"
+
+
+======
+for local testing :
+
+first terminal :
+    *cd web
+    *npm start
+
+second terminal :
+    * cd backend
+    *npm install
+    *node express.js
+
+
+

backend/config/config.js

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+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';
+config.TOKEN_EXPIRES_IN = 1515100500;
+
+config.SKILL_ID = 'amzn1.ask.skill.efbf0564-a732-4ba9-958f-57939138adae';
+//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';
+
+module.exports = config;

backend/config/constants.js

@@ -0,0 +1,36 @@
+const constants = {};
+
+constants.amazonResultCodes = {
+    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,
+}
+
+constants.HTTPResultCodes = {
+    INTERNAL_SERVER_ERROR : 500,
+}
+
+constants.SKILL_ID_LENGTH = 24;
+
+constants.voiceResponseStrings = {
+    QUESTION_NOT_FOUND : 'Sorry, I didnt understan',
+    GENERIC_CONTINUE : 'Would you like to continue'
+}
+
+
+
+module.exports = constants;

backend/controllers/index.js

@@ -0,0 +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

@@ -0,0 +1,96 @@
+var express = require ('express'), router = express.Router ();
+const constants = require ('../config/constants');
+var databaseHelper = require ('../helpers/database');
+var amazonHelper = require ('../helpers/amazon');
+var bodyParser = require ('body-parser');
+var alexa = require ('../models/alexa');
+
+router.get ('/:id', async (req, res, next) => {
+  const id = req.params.id;
+
+  if (id.length !== constants.SKILL_ID_LENGTH) {
+    res.json ([]);
+  } else {
+    databaseHelper
+      .getSkill (id)
+      .then (result => {
+        res.json (result);
+      })
+      .catch (err => {
+        res.json ([]);
+      });
+  }
+});
+
+router.put ('/:id', bodyParser.json (), async (req, res, next) => {
+  let id = req.params.id;
+  let dataFromWeb = JSON.stringify (req.body);
+  let skill = JSON.parse (dataFromWeb);
+  let updateOnAmazon = skill.updateOnAmazon;
+
+  delete skill.updateOnAmazon;
+  delete skill._id;
+
+  //First get current skill from DB
+  databaseHelper
+    .getSkill (id)
+    .then (currentSkillState => {
+      //Now let's update skill in DB
+      databaseHelper
+        .updateSkill (id, skill)
+        .then (() => {
+          //Ok, done, now update skill on Amazon (if needed)
+          if (updateOnAmazon) {
+            amazonHelper
+              .updateSkill (skill)
+              .then (amazonResult => {
+                if (
+                  amazonResult === constants.amazonResultCodes.OK ||
+                  amazonResult === constants.amazonResultCodes.ACCEPTED
+                ) {
+                  res.json ({result: constants.apiResultCodes.OK, message: ''});
+                  alexa.updateModel ();
+                } else {
+                  res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({
+                    result: constants.apiResultCodes.AMAZON_ERROR,
+                    message: amazonResult,
+                  });
+                }
+              })
+              .catch (e => {
+                res.status(constants.HTTPResultCodes.INTERNAL_SERVER_ERROR).json ({
+                  result: constants.apiResultCodes.AMAZON_FAIL,
+                  message: e,
+                });
+              });
+          }else{
+            res.json ({result: constants.apiResultCodes.OK, message: ''});
+            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: '',
+              });
+            });
+        });
+    })
+    .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: ''});
+    });
+});
+
+module.exports = router;

backend/helpers/amazon.js

@@ -0,0 +1,176 @@
+require ('isomorphic-fetch');
+const config = require ('../config/config');
+var request = require ('request');
+var databaseHelper = require ('./database');
+
+var getBuildStatus = function (skillID) {
+  fetch (
+    `https://api.amazonalexa.com/v0/skills/${skillID}/interactionModel/locales/en-US/status`,
+    {
+      method: 'GET',
+      headers: {
+        Authorization: config.TOKEN,
+      },
+    }
+  ).then (result => {
+    return result.text ();
+  });
+};
+
+var refreshTokens = function () {
+  return new Promise ((resolve, reject) => {
+    var options = {
+      method: 'POST',
+      url: 'https://api.amazon.com/auth/o2/token',
+      headers: {
+        'cache-control': 'no-cache',
+        'content-type': 'application/x-www-form-urlencoded',
+      },
+      form: {
+        grant_type: 'refresh_token',
+        refresh_token: config.REFRESH_TOKEN,
+        client_id: config.CLIENT_ID,
+        client_secret: config.CLIENT_SECRET,
+      },
+    };
+
+    request (options, function (error, response, body) {
+      if (error) {
+        reject (error);
+      }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{
+          reject (body);
+        }
+      }
+    });
+  });
+};
+
+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 :
+  /*
+  allIntents.push ({
+    name: 'EmailIntentLaunch',
+    slots: [],
+    samples: [
+      'I want to send a message',
+      'I would like to send a message',
+      'I would like to leave a message',
+      'Leave a message',
+    ],
+  });
+
+  allIntents.push ({
+    name: 'EmailIntent',
+    slots: [
+      {
+        name: 'Name',
+        type: 'AMAZON.US_FIRST_NAME',
+      },
+      {
+        name: 'Email',
+        type: 'AMAZON.LITERAL',
+      },
+      {
+        name: 'Message',
+        type: 'AMAZON.LITERAL',
+      },
+      {
+        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}',
+    ],
+  });
+  */
+
+  result.interactionModel = {};
+
+  result.interactionModel.languageModel = {
+    invocationName: skill.invocationName,
+    intents: allIntents,
+  };
+
+  return JSON.stringify (result);
+};
+
+var uploadSkill = function (skill) {
+  return fetch (
+    `https://api.amazonalexa.com/v0/skills/${skill.skillID}/interactionModel/locales/en-US`,
+    {
+      method: 'POST',
+      headers: {
+        Authorization: config.TOKEN,
+      },
+      body: generateInteractionModel (skill),
+    }
+  );
+};
+
+module.exports = {
+  updateSkill: function (skill) {
+    return new Promise ((resolve, reject) => {
+      if (new Date () / 1000 > config.TOKEN_EXPIRES_IN) {
+        refreshTokens ()
+          .then (() => {
+            uploadSkill (skill).then (response => {
+              resolve (response.status);
+            });
+          })
+          .catch (e => {
+            reject (e);
+          });
+      } else {
+        uploadSkill (skill)
+          .then (response => {
+            resolve (response.status);
+          })
+          .catch (e => {
+            reject (e);
+          });
+      }
+    });
+  },
+};

backend/helpers/database.js

@@ -0,0 +1,99 @@
+const config = require ('../config/config');
+var ObjectID = require ('mongodb').ObjectID;
+
+var db = null;
+
+module.exports = {
+  initModule: function (databaseObject) {
+    db = databaseObject;
+    db.collection ('intent_list');
+  },
+
+  loadTokens: function () {
+    db
+      .collection ('token_list')
+      .findOne ()
+      .then (tokens => {
+        if (tokens !== null) {
+          config.TOKEN = tokens.access_token;
+          config.REFRESH_TOKEN = tokens.refresh_token;
+          config.TOKEN_EXPIRES_IN = tokens.expires_in;
+        } else {
+          //Cannot continue without tokens
+          console.log ('Cannot continue without tokens in database');
+          process.exit (-1);
+        }
+      })
+      .catch (e => {
+        console.log (
+          'Error loading tokens ! Cannot continue without tokens in database'
+        );
+        process.exit (-1);
+      });
+  },
+
+  updateTokens: function (refresh_token, access_token, expires_in) {
+    return new Promise ((resolve, reject) => {
+      let newTokenDocument = {
+        id: 1,
+        refresh_token: refresh_token,
+        access_token: access_token,
+        expires_in: new Date () / 1000 + expires_in,
+      };
+      db
+        .collection ('token_list')
+        .update ({id: 1}, newTokenDocument, {upsert: true}, (err, result) => {
+          if (err) { 
+            reject (err)
+          }else{
+            config.REFRESH_TOKEN = refresh_token;
+            config.TOKEN = access_token;
+            config.TOKEN_EXPIRES_IN = newTokenDocument.expires_in;
+            resolve ();
+          }
+        });
+    });
+  },
+
+  getSkill: function (skillDbID) {
+    return new Promise ((resolve, reject) => {
+      db
+        .collection ('skill_list')
+        .findOne ({_id: ObjectID (skillDbID)}, (err, skill) => {
+          if (skill) {
+            resolve (skill);
+          } else {
+            reject (err);
+          }
+        });
+    });
+  },
+
+  updateSkill: function (id, skill) {
+    return new Promise ((resolve, reject) => {
+      db
+        .collection ('skill_list')
+        .update ({_id: ObjectID (id)}, skill, {upsert: true}, (err, result) => {
+          if (err){
+            reject();
+          }else{
+            resolve();
+          }
+        });
+    });
+  },
+
+  deleteSkill: function (id) {
+    return new Promise ((resolve, reject) => {
+      db
+        .collection ('skill_list')
+        .remove ({_id: ObjectID (id)}, (err, result) => {
+          if (err){
+            reject (err);
+          }else{
+            resolve (result);
+          }
+        });
+    });
+  }
+};

backend/middleware/index.js

@@ -0,0 +1,7 @@
+module.exports = function (req, res, next) {
+  res.header ('Access-Control-Allow-Origin', '*');
+  res.header ('Access-Control-Allow-Headers', 'Origin, Content-Type');
+  res.header ('Access-Control-Allow-Methods', 'GET, POST, PUT');
+  res.header ('Access-Control-Allow-Credentials', 'true');
+  next ();
+};

backend/models/alexa.js

@@ -0,0 +1,75 @@
+var Alexa = require ('alexa-sdk');
+const config = require ('../config/config');
+var databaseHelper = require ('../helpers/database');
+const constants = require ('../config/constants');
+
+var handlers = {};
+
+module.exports = {
+  run: function (req, res) {
+    // Build the context manually, because Amazon Lambda is missing
+    var context = {
+      succeed: function (result) {
+        console.log (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 = {};
+
+        //Handler for launch request
+        handlers = {
+          LaunchRequest: function () {
+            this.response
+              .speak (activeSkill.invocationAnswer)
+              .listen (constants.voiceResponseStrings.GENERIC_CONTINUE); //Phrase from listen doesn't work !!!
+            //TODO : Maybe to ask user does he want to hear possible intents
+            //For this functionality, we need explanation text for each intent (Question)
+            this.emit (':responseReady');
+          },
+        };
+
+        //Handlers for user defined questions
+        activeSkill.intents.map (intent => {
+          handlers[intent.intentName] = function () {
+            this.response
+              .speak (intent.answer)
+              .listen (constants.voiceResponseStrings.GENERIC_CONTINUE); //Phrase from listen doesn't work !!!
+            this.emit (':responseReady');
+          };
+        });
+
+        //Default handlers for unknown questions and session close
+
+        handlers.Unhandled = function () {
+          this.response
+            .speak (constants.voiceResponseStrings.QUESTION_NOT_FOUND)
+            .listen (constants.voiceResponseStrings.GENERIC_CONTINUE);
+        }
+
+        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-lock.json

@@ -211,6 +211,16 @@
         "concat-map": "0.0.1"
       }
     },
+    "bson": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.0.4.tgz",
+      "integrity": "sha1-k8ENOeqltYQVy8QFLz5T5WKwtyw="
+    },
+    "buffer-shims": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
+      "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E="
+    },
     "builtin-modules": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
@@ -428,6 +438,19 @@
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.1.tgz",
       "integrity": "sha1-eePVhlU0aQn+bw9Fpd5oEDspTSA="
     },
+    "encoding": {
+      "version": "0.1.12",
+      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
+      "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
+      "requires": {
+        "iconv-lite": "0.4.19"
+      }
+    },
+    "es6-promise": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz",
+      "integrity": "sha1-7FYjOGgDKQkgcXDDlEjiREndH8Q="
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -711,11 +734,30 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.5.2.tgz",
       "integrity": "sha1-1LUFvemUaYfM8PxY2QEP+WB+P6A="
     },
+    "is-stream": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
+      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
+    },
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
+    "isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+    },
+    "isomorphic-fetch": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz",
+      "integrity": "sha1-YRrhrPFPXoH3KVB0coGf6XM1WKk=",
+      "requires": {
+        "node-fetch": "1.7.3",
+        "whatwg-fetch": "2.0.3"
+      }
+    },
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
@@ -819,6 +861,25 @@
         "brace-expansion": "1.1.8"
       }
     },
+    "mongodb": {
+      "version": "2.2.33",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-2.2.33.tgz",
+      "integrity": "sha1-tTfEcdNKZlG0jzb9vyl1A0Dgi1A=",
+      "requires": {
+        "es6-promise": "3.2.1",
+        "mongodb-core": "2.1.17",
+        "readable-stream": "2.2.7"
+      }
+    },
+    "mongodb-core": {
+      "version": "2.1.17",
+      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-2.1.17.tgz",
+      "integrity": "sha1-pBizN6FKFJkPtRC5I97mqBMXPfg=",
+      "requires": {
+        "bson": "1.0.4",
+        "require_optional": "1.0.1"
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -840,6 +901,15 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
+    "node-fetch": {
+      "version": "1.7.3",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
+      "integrity": "sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==",
+      "requires": {
+        "encoding": "0.1.12",
+        "is-stream": "1.1.0"
+      }
+    },
     "node-forge": {
       "version": "0.7.1",
       "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.7.1.tgz",
@@ -910,6 +980,11 @@
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
+    "process-nextick-args": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
+      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
+    },
     "proxy-addr": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.2.tgz",
@@ -945,6 +1020,20 @@
         "unpipe": "1.0.0"
       }
     },
+    "readable-stream": {
+      "version": "2.2.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.7.tgz",
+      "integrity": "sha1-BwV6y+JGeyIELTb5jFrVBwVOlbE=",
+      "requires": {
+        "buffer-shims": "1.0.0",
+        "core-util-is": "1.0.2",
+        "inherits": "2.0.3",
+        "isarray": "1.0.0",
+        "process-nextick-args": "1.0.7",
+        "string_decoder": "1.0.3",
+        "util-deprecate": "1.0.2"
+      }
+    },
     "request": {
       "version": "2.83.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.83.0.tgz",
@@ -974,6 +1063,15 @@
         "uuid": "3.1.0"
       }
     },
+    "require_optional": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
+      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
+      "requires": {
+        "resolve-from": "2.0.0",
+        "semver": "5.4.1"
+      }
+    },
     "resolve": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.5.0.tgz",
@@ -983,6 +1081,11 @@
         "path-parse": "1.0.5"
       }
     },
+    "resolve-from": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
+      "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
+    },
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -991,8 +1094,7 @@
     "semver": {
       "version": "5.4.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.4.1.tgz",
-      "integrity": "sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg==",
-      "optional": true
+      "integrity": "sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg=="
     },
     "send": {
       "version": "0.16.1",
@@ -1065,6 +1167,14 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
       "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
@@ -1182,6 +1292,11 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -1212,6 +1327,11 @@
         "extsprintf": "1.3.0"
       }
     },
+    "whatwg-fetch": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz",
+      "integrity": "sha1-nITsLc9oGH/wC8ZOEnS0QhduHIQ="
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",

backend/package.json

@@ -4,10 +4,13 @@
   "description": "",
   "main": "test.js",
   "dependencies": {
+    "alexa-sdk": "^1.0.25",
     "body-parser": "^1.13.1",
-    "ejs": "^2.3.1",
+    "ejs": "^2.5.7",
     "express": "^4.13.0",
-    "alexa-app": "4.2.0"
+    "isomorphic-fetch": "^2.2.1",
+    "mongodb": "^2.2.33",
+    "request": "^2.83.0"
   },
   "author": "Matt Kruse <github@mattkruse.com> (http://mattkruse.com/)",
   "license": "MIT"

backend/server.js

@@ -0,0 +1,28 @@
+var databaseHelper = require ('./helpers/database');
+const config = require ('./config/config');
+var express = require ('express');
+var alexa = require ('./models/alexa');
+
+var MongoClient = require ('mongodb').MongoClient;
+var ObjectID = require ('mongodb').ObjectID;
+
+const router = express.Router ();
+var app = express ();
+
+app.set ('view engine', 'ejs'); // Should be removed
+app.use (require ('./middleware')); //common middleware for all requests
+app.use (require ('./controllers')); //all routes
+
+MongoClient.connect (config.DB_URL)
+  .then (database => {
+    databaseHelper.initModule (database);
+
+    app.listen (config.PORT, () => {
+      console.log ('Express server running on port  ' + config.PORT);
+      alexa.updateModel ();
+      databaseHelper.loadTokens ();
+    });
+  })
+  .catch (e => {
+    console.log ('error : ' + e);
+  });

express.js

@@ -1,43 +0,0 @@
-var express = require("express");
-var alexa = require("alexa-app");
-
-var PORT = process.env.port || 5000;
-var app = express();
-
-// ALWAYS setup the alexa app and attach it to express before anything else.
-var alexaApp = new alexa.app("step1");
-
-alexaApp.express({
-  expressApp: app,
-
-  // 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
-});
-
-// now POST calls to /test in express will be handled by the app.request() function
-
-// from here on you can setup any other express routes or middlewares as normal
-app.set("view engine", "ejs");
-
-alexaApp.launch(function(request, response) {
-  response.say("You launched Saburly app!");
-});
-
-alexaApp.intent("GetProcessIntent", {
-    "utterances": [
-      "tell me about projects", "say something about your project", "what are your projects"
-    ]
-  },
-  function(request, response) {
-    response.say("We collaborate closely with our clients at each step of the developmentprocess. From designing the UX to developing the front-end andarchitecting the back-end.");
-  }
-);
-
-app.listen(PORT);
-console.log("Listening on port " + PORT + ", try http://localhost:" + PORT + "/step1");

lambda.js

@@ -1,14 +0,0 @@
-var alexa = require("alexa-app");
-var find = require("find-my-iphone");
-
-var app = new alexa.app();
-app.launch(function(request, response) {
-  find("me@icloud.com", "mypassword", "iPhone", function() {
-    response.say("OK").send();
-  });
-  // because this is an async handler
-  return false;
-});
-
-// connect to lambda
-exports.handler = app.lambda();

template.js

@@ -1,116 +0,0 @@
-var template = {};
-// LaunchRequest template
-template.launch = {
-  "version": "1.0",
-  "session": {
-    "new": true,
-    "sessionId": "amzn1.echo-api.session.abeee1a7-aee0-41e6-8192-e6faaed9f5ef",
-    "attributes": {},
-    "application": {
-      "applicationId": "amzn1.ask.skill.7115bfc9-313e-4728-830b-ebd19ce96cb3"
-
-    },
-    "user": {
-      "userId": "amzn1.account.AM3B227HF3FAM1B261HK7FFM3A2"
-    }
-  },
-  "request": {
-    "type": "LaunchRequest",
-    "requestId": "amzn1.echo-api.request.9cdaa4db-f20e-4c58-8d01-c75322d6c423"
-  }
-};
-// IntentRequest template
-template.intent = {
-  "version": "1.0",
-  "session": {
-    "new": false,
-    "sessionId": "amzn1.echo-api.session.abeee1a7-aee0-41e6-8192-e6faaed9f5ef",
-    "attributes": {},
-    "application": {
-      "applicationId": "amzn1.ask.skill.7115bfc9-313e-4728-830b-ebd19ce96cb3"
-    },
-    "user": {
-      "userId": "amzn1.account.AM3B227HF3FAM1B261HK7FFM3A2"
-    }
-  },
-  "request": {
-    "type": "IntentRequest",
-    "requestId": "amzn1.echo-api.request.6919844a-733e-4e89-893a-fdcb77e2ef0d",
-    "intent": {
-      "name": "sampleIntent",
-      "slots": {
-        "NAME": {
-          "name": "NAME",
-          "value": "Matt"
-        }
-      }
-    }
-  }
-};
-// errorIntent template
-template.errorIntent = {
-  "version": "1.0",
-  "session": {
-    "new": false,
-    "sessionId": "amzn1.echo-api.session.abeee1a7-aee0-41e6-8192-e6faaed9f5ef",
-    "attributes": {},
-    "application": {
-      "applicationId": "amzn1.ask.skill.7115bfc9-313e-4728-830b-ebd19ce96cb3"
-    },
-    "user": {
-      "userId": "amzn1.account.AM3B227HF3FAM1B261HK7FFM3A2"
-    }
-  },
-  "request": {
-    "type": "IntentRequest",
-    "requestId": "amzn1.echo-api.request.6919844a-733e-4e89-893a-fdcb77e2ef0d",
-    "intent": {
-      "name": "errorIntent",
-      "slots": {}
-    }
-  }
-};
-// missingIntent template
-template.missingIntent = {
-  "version": "1.0",
-  "session": {
-    "new": false,
-    "sessionId": "amzn1.echo-api.session.abeee1a7-aee0-41e6-8192-e6faaed9f5ef",
-    "attributes": {},
-    "application": {
-      "applicationId": "amzn1.ask.skill.7115bfc9-313e-4728-830b-ebd19ce96cb3"
-    },
-    "user": {
-      "userId": "amzn1.account.AM3B227HF3FAM1B261HK7FFM3A2"
-    }
-  },
-  "request": {
-    "type": "IntentRequest",
-    "requestId": "amzn1.echo-api.request.6919844a-733e-4e89-893a-fdcb77e2ef0d",
-    "intent": {
-      "name": "missingIntent",
-      "slots": {}
-    }
-  }
-};
-// SessionEndedRequest template
-template.session_end = {
-  "version": "1.0",
-  "session": {
-    "new": false,
-    "sessionId": "amzn1.echo-api.session.abeee1a7-aee0-41e6-8192-e6faaed9f5ef",
-    "attributes": {},
-    "application": {
-      "applicationId": "amzn1.ask.skill.7115bfc9-313e-4728-830b-ebd19ce96cb3"
-    },
-    "user": {
-      "userId": "amzn1.account.AM3B227HF3FAM1B261HK7FFM3A2"
-    }
-  },
-  "request": {
-    "type": "SessionEndedRequest",
-    "requestId": "amzn1.echo-api.request.d8c37cd6-0e1c-458e-8877-5bb4160bf1e1",
-    "reason": "USER_INITIATED"
-  }
-};
-module.exports = template;

test.js

@@ -1,79 +0,0 @@
-var alexa = require("alexa-app");
-var template = require("./template.js");
-
-var app = new alexa.app("test");
-
-app.dictionary = {
-  "names": ["Bob", "Jack", "Matt", "Mary", "Jane", "Bill"]
-};
-
-app.launch(function(request, response) {
-  response.say("App launched!");
-});
-
-app.intent("sampleIntent", {
-    "slots": { "NAME": "LITERAL", "AGE": "NUMBER" },
-    "utterances": ["my {name is|name's} {names|NAME} and {I am|I'm} {1-100|AGE}{ years old|}"]
-  },
-  function(request, response) {
-    setTimeout(function() {
-      response.say("After timeout!").say(" test ").reprompt("Reprompt");
-      response.send();
-    }, 1000);
-    // We are async!
-    return false;
-  }
-);
-
-app.intent("errorIntent", function(request, response) {
-  response.say(someVariableThatDoesntExist);
-});
-
-// output the schema
-console.log("\n\nSCHEMA:\n\n" + app.schema() + "\n\n");
-// output sample utterances
-console.log("\n\nUTTERANCES:\n\n" + app.utterances() + "\n\n");
-
-// test pre() and post() functions
-app.pre = function(request, response, type) {
-  response.say("This part of the output is from pre(). ");
-};
-app.post = function(request, response, type, exception) {
-  if (exception) {
-    response.clear().say("An error occured: " + exception).send();
-  }
-};
-
-// error example
-app.request(template.errorIntent)
-  .then(function(response) {
-    console.log(JSON.stringify(response, null, 3));
-  });
-
-// async example
-app.request(template.intent)
-  .then(function(response) {
-    console.log(JSON.stringify(response, null, 3));
-  });
-
-// synchronous example
-app.request(template.launch)
-  .then(function(response) {
-    console.log(JSON.stringify(response, null, 3));
-  });
-
-// error example
-app.messages.NO_INTENT_FOUND = "Why you called dat intent? I don't know bout dat";
-app.request(template.missingIntent)
-  .then(function(response) {
-    console.log(JSON.stringify(response, null, 3));
-  });
-
-// error handler example
-app.error = function(e, request, response) {
-  response.say("I captured the exception! It was: " + e.message);
-};
-app.request(template.errorIntent)
-  .then(function(response) {
-    console.log(JSON.stringify(response, null, 3));
-  });

web/.gitignore

@@ -0,0 +1,23 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+src/**/*.css

web/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "web",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "keymaster": "^1.6.2",
+    "react": "^16.2.0",
+    "react-dom": "^16.2.0",
+    "react-md": "^1.2.8",
+    "react-popup": "^0.9.1",
+    "react-scripts": "1.0.17",
+    "webfontloader": "^1.6.28"
+  },
+  "scripts": {
+    "build-css": "node-sass-chokidar --include-path ./node_modules src/ -o src/",
+    "watch-css-mine": "npm run build-css && npm run build-css --watch --recursive",
+    "watch-css": "nodemon -e scss -x \"npm run watch-css-mine\"",
+    "start-js": "react-scripts start",
+    "start": "npm-run-all -p watch-css start-js",
+    "react-build" : "react-scripts build",
+    "build": "npm-run-all -p build-css react-build",
+    "test": "react-scripts test --env=jsdom",
+    "eject": "react-scripts eject"
+  },
+  "devDependencies": {
+    "node-sass": "^4.7.2",
+    "nodemon": "^1.12.1",
+    "npm-run-all": "^4.1.2"
+  }
+}

web/public/index.html

@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <meta name="theme-color" content="#000000">
+    <!--
+      manifest.json provides metadata used when your web app is added to the
+      homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json">
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>
+      You need to enable JavaScript to run this app.
+    </noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>

web/public/manifest.json

@@ -0,0 +1,15 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    }
+  ],
+  "start_url": "./index.html",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}

web/src/App.js

@@ -0,0 +1,195 @@
+import React, { Component } from 'react';
+import './css/App.css';
+import './css/popup.css';
+import IntentList from './components/IntentList';
+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 {
+          NEW_INTENT_SELECTED_INDEX,
+          LAUNCH_REQUEST_SELECTED_INDEX,
+          CONTACT_SELECTED_INDEX,
+          RESULT_CODES} from './config/constants'
+
+class App extends Component {
+
+  constructor(props){
+    super(props);
+
+    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})
+    })
+
+    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() {
+    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}/> ;
+        break;
+      case CONTACT_SELECTED_INDEX:
+        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}/>;
+    }
+
+    return(
+      <div className="App">
+      <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}/>
+      
+        {rightPanel}
+      </div>
+    );
+  }
+
+  createSkill(intents, name, answer, email, updateOnAmazon){
+    return {
+      _id: this.state._id,
+      skillID: this.state.skillID,
+      intents: intents,
+      invocationName: name,
+      invocationAnswer: answer,
+      contactEmail: email,
+      updateOnAmazon: updateOnAmazon
+    };
+  }
+
+  handleIntentClick(selectedIntent, index){
+    this.setState({selectedIntent:selectedIntent, selectedIndex: index, launchRequest:false});
+  }
+
+  handleLaunchRequestClick(){
+    this.setState({selectedIndex: LAUNCH_REQUEST_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);
+  }
+
+  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);
+  }
+
+  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;
+    });
+
+    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);
+      }
+    }
+  }
+
+  
+  handleSaveIntentClick(selectedIntent){
+    let newAllIntentsJSON = JSON.stringify(this.state.allIntents);
+    let newAllIntents = JSON.parse(newAllIntentsJSON);
+
+    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};
+    }
+    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:''}});
+  }
+
+  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();
+        }
+      }).catch(e=>{
+	      console.log('error : ' + e);
+        if (showPopUp) Popup.alert('Model was not saved. Please try again');
+        this.setState(rejectState);
+        //reject(e);
+      });
+    });
+  }
+}
+
+export default App;

web/src/App.test.js

@@ -0,0 +1,8 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+
+it('renders without crashing', () => {
+  const div = document.createElement('div');
+  ReactDOM.render(<App />, div);
+});

web/src/components/Contact.js

@@ -0,0 +1,48 @@
+import React, { Component } from 'react';
+import {Button, TextField} from 'react-md';
+import '../css/Common.css';
+import '../css/components/Contact.css';
+import {EMAIL_MAX_LENGTH} from '../config/constants';
+
+class Contact extends Component {
+  constructor(props){
+    super(props);
+
+    this.state = {contactEmail: props.contactEmail};
+
+    this.handleEmailEdit = this.handleEmailEdit.bind(this);
+  }
+
+  componentWillReceiveProps(props){
+    this.setState({contactEmail: props.contactEmail});
+  }
+
+  render() {
+    return (
+      <div className="RightPanelBox">
+        <h5 className="PanelSubTitle"> Contact address will be used for direct messaging through Alexa </h5>
+        <TextField
+          id="contact email"
+          lineDirection="center"
+          label="Contact email"
+          className="md-cell md-cell--bottom ContactEmailInput"
+          maxLength={EMAIL_MAX_LENGTH}
+          onChange={this.handleEmailEdit}
+          value={this.state.contactEmail}/>
+        <br></br>
+        <br></br>
+        <br></br>
+        <Button className="SaveButton" flat primary swapTheming 
+                onClick={()=>{this.props.onSaveEmailClick(this.state.contactEmail)}}
+                disabled={this.props.waiting}>Save</Button>
+      </div>
+    );
+  }
+
+  handleEmailEdit(e){
+    if (e.length === EMAIL_MAX_LENGTH) return;
+    this.setState({contactEmail: e});
+  }
+}
+
+export default Contact;

web/src/components/IntentDetails.js

@@ -0,0 +1,116 @@
+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';
+
+class IntentDetails extends Component {
+  constructor(props){
+    super(props);
+
+    this.state= {intent: props.selectedIntent};
+
+    this.addQuestion = this.addQuestion.bind(this);
+    this.deleteQuestion = this.deleteQuestion.bind(this);
+    this.handleQuestionEdit = this.handleQuestionEdit.bind(this);
+    this.handleAnswerEdit = this.handleAnswerEdit.bind(this);
+    this.handleIntentNameEdit = this.handleIntentNameEdit.bind(this);
+  }
+
+  componentWillReceiveProps(props){
+    this.setState({intent: props.selectedIntent});
+  }
+
+  render() {
+    return (
+      <div className="RightPanelBox">
+        <div className="QuestionBox">
+          <TextField
+            id="intent name"
+            lineDirection="center"
+            placeholder="Intent name"
+            label="Question name"
+            className="md-cell md-cell--bottom IntentDetailsInputBoxes"
+            onChange={this.handleIntentNameEdit}
+            maxLength={INTENT_NAME_MAX_LENGTH}
+            value={this.state.intent.intentName} />
+        </div>
+        <h5 className="QuestionTitle">Question variants</h5>
+        {
+          this.state.intent.questions.map((question, index)=>{
+            return (
+              <div key={index} className="QuestionBox">
+                <TextField
+                  id="intent question"
+                  lineDirection="center"
+                  placeholder="Question"
+                  className="md-cell md-cell--bottom IntentDetailsInputBoxes"
+                  maxLength={QUESTION_MAX_LENGTH}
+                  rightIcon={<SVGIcon onClick={()=>{this.deleteQuestion(question)}}> <path fill="#000000" d="M19,4H15.5L14.5,3H9.5L8.5,4H5V6H19M6,19A2,2 0 0,0 8,21H16A2,2 0 0,0 18,19V7H6V19Z"/> </SVGIcon>}
+                  onChange={(e)=>{this.handleQuestionEdit(e,index)}}
+                  value={question}/>
+              </div>
+            );
+          })
+        }
+        <br></br>
+        {
+          <div className="QuestionBox">
+            <TextField
+              id="intent answer"
+              lineDirection="center"
+              label="Answer"
+              placeholder="Answer"
+              maxLength={ANSWER_MAX_LENGTH}
+              className="md-cell md-cell--bottom IntentDetailsInputBoxes"
+              onChange={this.handleAnswerEdit}
+              value={this.state.intent.answer}/>
+          </div>
+        }
+        <br></br>
+        <br></br>
+        <Button className="IntentDetailsButton" flat primary onClick={()=>{this.props.onDeleteIntentClick(this.state.intent)}} disabled={this.props.waiting}>Delete question</Button>
+        <Button className="IntentDetailsButton" flat primary swapTheming onClick={this.addQuestion} disabled={this.props.waiting}>Add variant</Button>        
+        <Button className="IntentDetailsButton" flat primary swapTheming onClick={()=>{this.props.onSaveIntentClick(this.state.intent)}} disabled={this.props.waiting}>Save</Button>
+        
+      </div>
+    );
+  }
+
+  addQuestion(){
+    let newIntent = this.state.intent;
+    newIntent.questions.push('');
+    this.setState({intent: newIntent});
+  }
+
+  deleteQuestion(question){
+    let newIntent = this.state.intent;
+    let removeId = newIntent.questions.indexOf(question);
+    if (removeId !== -1)
+      newIntent.questions.splice(removeId,1);
+    
+    this.setState({intent: newIntent});
+  }
+
+  handleQuestionEdit(e,index){
+    if (e.length === QUESTION_MAX_LENGTH) return;
+    let newIntent = this.state.intent;
+    newIntent.questions[index] = e;
+    this.setState({intent: newIntent});
+  }
+
+  handleAnswerEdit(e){
+    if (e.length === ANSWER_MAX_LENGTH) return;
+    let newIntent = this.state.intent;
+    newIntent.answer = e;
+    this.setState({intent: newIntent});
+  }
+
+  handleIntentNameEdit(e){
+    if (e.length === INTENT_NAME_MAX_LENGTH) return;
+    let newIntent = this.state.intent;
+    newIntent.intentName = e;
+    this.setState({intent: newIntent});
+  }
+}
+
+export default IntentDetails;

web/src/components/IntentItem.js

@@ -0,0 +1,35 @@
+import React, { Component } from 'react';
+import {Button} from 'react-md';
+import '../css/components/IntentItem.css'
+import {INTENT_TITLE_MAX_LENGTH, INTENT_TITLE_TOOLTIP_DELAY} from '../config/constants'
+
+class IntentItem extends Component {
+  
+    constructor(props){
+        super(props);
+
+        this.state={intent: props.intent, index: props.index, onClick: props.onClick};
+    }
+  
+    render() {
+        let buttonTitle = this.state.intent.intentName;
+        if (buttonTitle.length > INTENT_TITLE_MAX_LENGTH){
+            buttonTitle = this.state.intent.intentName.substr(0,INTENT_TITLE_MAX_LENGTH-1) + '. . .';
+        }
+        return (
+            <div>
+                <Button className={this.props.selectedIndex===this.state.index ? 'IntentItem-selected' : 'IntentItem'}
+                        onClick={()=>{this.state.onClick(this.state.intent,this.state.index)}}
+                        flat
+                        disabled={this.props.waiting}
+                        tooltipDelay={INTENT_TITLE_TOOLTIP_DELAY}
+                        tooltipLabel={this.state.intent.intentName.length>INTENT_TITLE_MAX_LENGTH ? this.state.intent.questions[0] : ''}>
+                            {buttonTitle}
+                </Button>  
+                <br></br>
+            </div>
+        );
+    }
+}
+
+export default IntentItem;

web/src/components/IntentList.js

@@ -0,0 +1,54 @@
+import React, { Component } from 'react';
+import {Button} from 'react-md';
+import IntentItem from './IntentItem';
+import '../css/components/IntentList.css';
+import {
+    LAUNCH_REQUEST_SELECTED_INDEX,
+    CONTACT_SELECTED_INDEX} from '../config/constants'
+
+class IntentList extends Component {
+    constructor (props){
+        super(props);
+
+        this.state = {intents: props.allIntents, selectedIndex:props.selectedIndex, onIntentClick:props.onIntentClick};
+    }
+
+    componentWillReceiveProps(props){
+        this.setState({intents: props.allIntents, selectedIndex: props.selectedIndex, onIntentClick: props.onIntentClick});
+    }
+
+    render() {
+        return (
+            <div className="IntentList">
+                <Button className={this.props.selectedIndex===LAUNCH_REQUEST_SELECTED_INDEX ? "LaunchRequestButton-selected" : "LaunchRequestButton"} flat primary 
+                        onClick={this.props.onLaunchRequestClick}
+                        disabled={this.props.waiting} >Launch request</Button>
+
+                <Button className={this.props.selectedIndex===CONTACT_SELECTED_INDEX ? "ContactButton-selected" : "ContactButton"} flat primary 
+                        onClick={this.props.onContactClick}
+                        disabled={this.props.waiting} >Contact</Button>
+                
+                
+                <div className="IntentList-title">
+                    <h3>Questions</h3>
+                </div>
+                {
+                    this.state.intents.map((intent,index)=>{
+                    return <IntentItem 
+                                key={intent.intentName} intent={intent} index={index} 
+                                selectedIndex={this.props.selectedIndex} 
+                                onClick={this.state.onIntentClick}
+                                waiting={this.props.waiting}>
+                            </IntentItem>
+                    })
+                }
+                <br></br>
+                <Button className="AddIntent" flat primary swapTheming 
+                        onClick={this.props.onAddIntentClick}
+                        disabled={this.props.waiting}>Add question</Button>
+            </div>  
+        );
+    }
+}
+
+export default IntentList;

web/src/components/LaunchRequest.js

@@ -0,0 +1,65 @@
+import React, { Component } from 'react';
+import {Button, TextField} from 'react-md';
+import '../css/Common.css';
+import '../css/components/LaunchRequest.css';
+import { INVOCATION_NAME_MAX_LENGTH, INVOCATION_ANSWER_MAX_LENGTH } from '../config/constants';
+
+class LaunchRequest extends Component {
+  constructor(props){
+    super(props);
+
+    this.state = {invocationName: props.invocationName, invocationAnswer: props.invocationAnswer};
+
+    this.handleNameEdit = this.handleNameEdit.bind(this);
+    this.handleAnswerEdit = this.handleAnswerEdit.bind(this);
+  }
+
+  componentWillReceiveProps(props){
+    this.setState({invocationName: props.invocationName, invocationAnswer: props.invocationAnswer});
+  }
+
+  render() {
+    return (
+      <div className="RightPanelBox">
+        <h5 className="PanelSubTitle"> Invocation name customers use to activate the skill. For example "Open Saburly" or "Talk to Saburly" </h5>
+        <TextField
+          id="invocation name"
+          lineDirection="center"
+          placeholder="Saburly"
+          label="Invocation name"
+          className="md-cell md-cell--bottom InvocationInputBoxes"
+          maxLength={INVOCATION_NAME_MAX_LENGTH}
+          onChange={this.handleNameEdit}
+          value={this.state.invocationName}/>
+        <br></br>
+        <h5 className="PanelSubTitle" >Answer customers get from Alexa when they activate the skill.</h5>
+        <TextField
+          id="invocation answer"
+          lineDirection="center"
+          placeholder="We are Saburly, ask us something about us"
+          label="Answer"
+          className="md-cell md-cell--bottom InvocationInputBoxes"
+          maxLength={INVOCATION_ANSWER_MAX_LENGTH}
+          onChange={this.handleAnswerEdit}
+          value={this.state.invocationAnswer}/>
+        <br></br>
+        <br></br>
+        <Button className="SaveButton" flat primary swapTheming 
+                onClick={()=>{this.props.onSaveClick(this.state.invocationName, this.state.invocationAnswer)}}
+                disabled={this.props.waiting}>Save</Button>
+      </div>
+    );
+  }
+
+  handleNameEdit(e){
+    if (e.length === INVOCATION_NAME_MAX_LENGTH) return;
+    this.setState({invocationName: e});
+  }
+
+  handleAnswerEdit(e){
+    if (e.length === INVOCATION_ANSWER_MAX_LENGTH) return;
+    this.setState({invocationAnswer: e});
+  }
+}
+
+export default LaunchRequest;

web/src/config/config.js

@@ -0,0 +1,4 @@
+//export const BASE_URL = 'tellall.saburly.com'; //for server
+export const BASE_URL = 'localhost:5000'; //for local
+
+

web/src/config/constants.js

@@ -0,0 +1,20 @@
+export const INTENT_NAME_MAX_LENGTH = 30;
+export const QUESTION_MAX_LENGTH = 150;
+export const ANSWER_MAX_LENGTH = 150;
+
+export const INTENT_TITLE_MAX_LENGTH = 20;
+export const INTENT_TITLE_TOOLTIP_DELAY = 700;
+
+export const INVOCATION_NAME_MAX_LENGTH = 15;
+export const INVOCATION_ANSWER_MAX_LENGTH = 100;
+
+export const EMAIL_MAX_LENGTH = 100;
+
+export const NEW_INTENT_SELECTED_INDEX = -1;
+export const LAUNCH_REQUEST_SELECTED_INDEX = -2;
+export const CONTACT_SELECTED_INDEX = -3;
+
+export const RESULT_CODES = {
+  OK: 0,
+  ERROR: -1,
+};

web/src/css/App.css

@@ -0,0 +1,13 @@
+.App {
+  text-align: center; }
+
+.App-header {
+  background-color: white;
+  height: 80px;
+  padding: 20px; }
+
+.App-title {
+  font-size: 1.5em; }
+
+.App-intro {
+  font-size: large; }

web/src/css/App.scss

@@ -0,0 +1,17 @@
+.App {
+  text-align: center;
+}
+
+.App-header {
+  background-color:white;
+  height: 80px;
+  padding: 20px;
+}
+
+.App-title {
+  font-size: 1.5em;
+}
+
+.App-intro {
+  font-size: large;
+}

web/src/css/Common.scss

@@ -0,0 +1,21 @@
+$minHeight : calc(100vh - 80px); //80px is height of the title div container
+
+/* Common for right panel components */
+
+.RightPanelBox{
+    float: left;
+    width: 70%;
+    min-height:$minHeight;
+    background-color: #f5f5f5;
+}
+
+.PanelSubTitle{
+    text-align: left; 
+    margin-top: 30px; 
+    margin-left: 20px;
+}
+
+.SaveButton{
+    float: right; 
+    margin-right: 20px;
+}

web/src/css/_globals.scss

@@ -0,0 +1,5 @@
+@import 'react-md/src/scss/react-md';
+
+// Any variable overrides. The following just changes the default theme to use teal and purple.
+$md-primary-color: $md-teal-500;
+$md-secondary-color: $md-purple-a-400;

web/src/css/components/Contact.scss

@@ -0,0 +1,4 @@
+.ContactEmailInput{
+    width: 60%;
+    margin-left: 20px;
+}

web/src/css/components/IntentDetails.scss

@@ -0,0 +1,18 @@
+.QuestionBox{
+    margin:25px;
+}
+
+.QuestionTitle{
+    margin-top:20px; 
+    margin-left: 30px;
+    float: left;
+}
+
+.IntentDetailsInputBoxes{
+    width: 60%;
+}
+
+.IntentDetailsButton{
+    float: left;
+    margin-left: 25px;
+}

web/src/css/components/IntentItem.scss

@@ -0,0 +1,18 @@
+.IntentItem{
+    margin-top: 2px;
+    margin-bottom: 2px;
+    height: 50px;
+    width:100%;
+    text-align:left;
+    background-color: #d8d8d8;
+}
+
+.IntentItem-selected{
+    margin-top: 2px;
+    margin-bottom: 2px;
+    height: 50px;
+    width:100%;
+    text-align:left;
+    background-color: #f5f5f5;
+    
+}

web/src/css/components/IntentList.scss

@@ -0,0 +1,52 @@
+$minHeight : calc(100vh - 80px); //80px is height of the title div container
+
+
+.IntentList{
+    width: 30%;
+    min-height:$minHeight;
+    float:left;
+    background-color: #eff0f0;
+}
+
+.IntentList-title{
+    font-size: 1.5em;
+    height: 70px;
+    padding: 20px;
+    text-align:left;
+    background-color: #eff0f0;
+}
+
+.AddIntent{
+    float: right;
+    margin: 12px;
+}
+
+.LaunchRequestButton{
+    text-align: left;
+    width: 100%;
+    height: 50px;
+    background-color: #d8d8d8
+}
+
+.LaunchRequestButton-selected{
+    text-align: left;
+    width: 100%;
+    height: 50px;
+    background-color: #f5f5f5;
+}
+
+.ContactButton{
+    text-align: left;
+    color: #009b8a;
+    width: 100%;
+    height: 50px;
+    background-color: #d8d8d8
+}
+
+.ContactButton-selected{
+    text-align: left;
+    color: #009b8a;
+    width: 100%;
+    height: 50px;
+    background-color: #f5f5f5;
+}

web/src/css/components/LaunchRequest.scss

@@ -0,0 +1,11 @@
+.ExplanationText{
+    float: left;
+    margin-top: 30px;
+    margin-left: 20px;
+    text-align: left;
+}
+
+.InvocationInputBoxes{
+    width: 60%; 
+    margin-left: 20px;
+}

web/src/css/index.scss

@@ -0,0 +1,8 @@
+@import 'globals';
+
+@include react-md-everything;
+
+body {
+  margin: 0;
+  padding: 0;
+}

web/src/css/popup.scss

@@ -0,0 +1,174 @@
+.mm-popup {
+  display: none; }
+
+.mm-popup--visible {
+  display: block; }
+
+.mm-popup__overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 1000;
+  overflow: auto;
+  background: rgba(0, 0, 0, 0.1); }
+
+.mm-popup__close {
+  position: absolute;
+  top: 15px;
+  right: 20px;
+  padding: 0;
+  width: 20px;
+  height: 20px;
+  cursor: pointer;
+  outline: none;
+  text-align: center;
+  border-radius: 10px;
+  border: none;
+  text-indent: -9999px;
+  background: transparent url("data:image/png;base64,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") no-repeat center center;
+  background-size: 100%;
+  margin: 0; }
+
+.mm-popup__input {
+  display: block;
+  width: 100%;
+  height: 30px;
+  border-radius: 3px;
+  background: #f5f5f5;
+  border: 1px solid #e9ebec;
+  outline: none;
+  -moz-box-sizing: border-box !important;
+  -webkit-box-sizing: border-box !important;
+  box-sizing: border-box !important;
+  font-size: 14px;
+  padding: 0 12px;
+  color: #808080; }
+
+.mm-popup__btn {
+  border-radius: 3px;
+  -moz-box-sizing: border-box;
+  -webkit-box-sizing: border-box;
+  box-sizing: border-box;
+  padding: 0 10px;
+  margin: 0;
+  line-height: 32px;
+  height: 32px;
+  border: 1px solid #666;
+  text-align: center;
+  display: inline-block;
+  font-size: 12px;
+  font-weight: 400;
+  color: #333;
+  background: transparent;
+  outline: none;
+  text-decoration: none;
+  cursor: pointer;
+  font-family: "Open Sans", sans-serif; }
+
+.mm-popup__btn--success {
+  background-color: #27ae60;
+  border-color: #27ae60;
+  color: #fff; }
+
+.mm-popup__btn--danger {
+  background-color: #c5545c;
+  border-color: #c5545c;
+  color: #fff; }
+
+.mm-popup__box {
+  width: 350px;
+  position: fixed;
+  top: 10%;
+  left: 50%;
+  margin-left: -175px;
+  background: #fff;
+  box-shadow: 0px 5px 20px 0px rgba(126, 137, 140, 0.2);
+  border-radius: 5px;
+  border: 1px solid #B8C8CC;
+  overflow: hidden;
+  z-index: 1001; }
+
+.mm-popup__box__header {
+  padding: 15px 20px;
+  background: #EDF5F7;
+  color: #454B4D; }
+
+.mm-popup__box__header__title {
+  margin: 0;
+  font-size: 16px;
+  text-align: left;
+  font-weight: 600; }
+
+.mm-popup__box__body {
+  padding: 20px;
+  line-height: 1.4;
+  font-size: 14px;
+  color: #454B4D;
+  background: #fff;
+  position: relative;
+  z-index: 2; }
+
+.mm-popup__box__body p {
+  margin: 0 0 5px; }
+
+.mm-popup__box__footer {
+  overflow: hidden;
+  padding: 40px 20px 20px; }
+
+.mm-popup__box__footer__right-space {
+  float: right; }
+
+.mm-popup__box__footer__right-space .mm-popup__btn {
+  margin-left: 5px; }
+
+.mm-popup__box__footer__left-space {
+  float: left; }
+
+.mm-popup__box__footer__left-space .mm-popup__btn {
+  margin-right: 5px; }
+
+.mm-popup__box--popover {
+  width: 300px;
+  margin-left: -150px; }
+
+.mm-popup__box--popover .mm-popup__close {
+  position: absolute;
+  top: 5px;
+  right: 5px;
+  padding: 0;
+  width: 20px;
+  height: 20px;
+  cursor: pointer;
+  outline: none;
+  text-align: center;
+  border-radius: 10px;
+  border: none;
+  text-indent: -9999px;
+  background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAYAAACM/rhtAAAABGdBTUEAALGPC/xhBQAAB8BJREFUWAnFWAtsU1UY/s+5XTcYYxgfvERQeQXxNeYLjVFxLVvb2xasKIgSVNQoREVI1GhmfC6ioijiNDo1vBxb19uVtRWUzAQ1+EowOkSQzTBAUJio27r2Hr9TLJTaa7vK4yTtvec///+f7/znf5xzGf2PZnVMKRHUczEJNpgYDSEdPzTB6GdG1EbE2sxk+qqxsW5rrtNAT+/aZLtrkiDdLYhUIcSwQ9KsA7DaAbKdEWOCQBckxwrkOGP0Lf7rTAqrW+vzbT4kk91/1gAB7BqdYlVC0KUAsQuANOKKjwYUNYfff//PdNNZ3O4zqEe/FguZykhUYFGFQKspnBYGNW1LOplUWkaANtvUc3pY5FUAKwewb4jzR0KaN8ikoXrRZs2aVbBr3/6bddKfhHUHAugys+j3eCCwYv9/qflPgFab83ps52ookxZ6OOT3regtsNTJHY45fSO05yGh6wsFsZ1cIVtI035M5Uv0DQFabY77BWOLsNrmQrPi8Xq9vyaEjsXT4pg6VuiRABZfzAVzhwK+T9Lp5emIFru6QCd6CXv4+sRLSizHGpycM+yvayng/S6Do7QIJtZZVXVyOiz/sqDV4XAKweoxsDjUqM1PJ3QsaeVz5+bHtrc2IjWVmky8tKmhYVuy/qMsWOZyXSR0Wo4IDVxRWrIgmfF4vTctWdINF7oJljwQ7dG9lpkzC5PnOgywsrKSU1R/Gz6xo7hPwXT0scsnpkkXEnncjTw6kvZ3vJI8q5Lo5BUV3YaAuFthyjStof6HBP1EPbe3tOweNWpMF0AuGHveuNqtLS375NxxC8rQB7inkOd8wcaGDScKVOo8/fvmLwWOPZFIrDIxFgcYEbtnA9wgk1lZmBgwetrtnqGTbapqNG5Et06ZMhhuYzIal/Ta2tpOlMVnEAOeCqfzfEmLA0SV8KB+bljr9Wbc2ijrujpGwmdxOB+SCrJpckGiu+enT7/85uZM/P375FcjDn6LxsRMycsrPJ5B2PerOLE1mYTleNDvX8k4W4xK8HyZ3XlvJpkym+qJEa1B1VjHRwz7IBM/rBjBNodhxXLJy6N/dbvlSz4nr3xm08J+7QHkyTdI6EssDsftRjJWh2smtmwlyrZ29tBBbplSjHiT6ZyxIHZ1vHQnVBlRArTfaZq2J5kp0zuS+D2w5Hs4/FWj8sxI5bfa1TuF0GtAX4W0Na26uronlceon89FSI5FRPf1HJY4C2e1HUbMRnR5aCguyIf1RC143oW1piZ44Z/zdCFgYXpnYmnJrdg27HL2LW4sxg7A9YYhqthwEmJ99uJHOOXEiMxbNm76qkAX+kps9xSUyXHwzyps02tBv29urqcfGG4fzgKnIYrFMHTajkzbuzcAjBb3zb8ROtajTHqx2Cq8L4IL3JcruEMIxF4cck/niK4IjlV5vYN1NLeMPATDd6DKPBclhfmP5sipdxBSRdKCe/E7PScVEMJxnllszlfgcw/CYk8g4X8OSwbKHY7Lc9Up5aB2MNxvN2eC7UUnJ4DYXm51ON/AqXsuVvpAuFGrVAYUVUD991HBmuStL1eQ2N7hkG1DfqY92J4ze6vI4/EoCI53YcE7EBD3hAL+xVJH0/Llv5tFkRUTtOoiGrbY3ONz0F2MAOnPGG8FQLYRCi7DhP2yVTRnzpy8A391r8TipqNYzkZALEuWlRchpU9BGfbpF8Fi6yar6pjk8UzvBzt7SuM8grbwPBMPwArm37u6JmUSlOPyBLyjfVcdttGNPDfjQ7+/Jp1cU23tXp6fNwkRfTCmi/XydpiOLx0tRvoNWPzOoN+7iQe83u/h2Dvgh7Z0zKk0/afWF+C8VsYVTzigrUodT+6H6ut3IaKvw0KiEYp8pKpqUfJ4unfp16C7meD1Mk3JDprwovbdaLNNP+VQ3/hfKGwFJ+WasL+hwZjryEjY5/vZTObrYJFmznHJzNA+2/S1dI2BsLysUBBDw8qGdOr0Ixz75XCj/2FJOxlNpiyrQ/0CuZmF/b4Jhy2I2ie/qywFqHkAO/BkgJNzWu3OW7GTJZzT/EQV+meL5Veewudg0FhnjJacDIAul2sATlZPw3gavjR8nMBwGCDOofuA+m74o0de3BMMJ+KJwDD9GY2twdGtH+7GDybPeZTTbvthy+aRo8cUYxWPjhw1duO2rVu2JzMfr3dzYZF0LzdTmCvk832RPM9hCyaIEy+ZsBBpoRnlqyGXy1FCTzbPeKm0q1WoGnch1c0La9qHqXLxKE4lyqrS0YlKQVTBhJifKGOpfP+nXz5jRv9Yx8HliFwbXOtR1PFn0+lLC1Ayylrb0dn1IqJqHmr1alL4ApnT0inpLa1MVa9kungLQYk7B90SDGiakQ5DgAkBi02djeiqgrJC3A8WiQHFVUZfVBMyRs9yp3McrpPPIhHjXs02m0zspiafT54jDVtGgFJSpoDOqP4YfOU+KO+Cco1xsYaPGBHMdFOTRaBbl9+zyYlcWwZ17Vjw41dOmPAefDDj95+sACaWV+5ynQsLzMZ104NAGoVo/0Oe/eDgrVDUhtl2gl7IOA2Of/FnYgSAXRBPuoI+JS5WDzn11DdramqwyOxarwAmq7Ta3RfqIqZCwWhYZjicHbdDGhoHLeTXfmrHUWwngDaTWWkMe72/JMtn+/43YTIL+pAwwhkAAAAASUVORK5CYII=") no-repeat center center;
+  background-size: 100%;
+  margin: 0;
+  z-index: 3; }
+
+.mm-popup__box--popover .mm-popup__box__body {
+  padding: 20px; }
+
+@media (max-width: 420px) {
+  .mm-popup__box {
+    width: auto;
+    left: 10px;
+    right: 10px;
+    top: 10px;
+    margin-left: 0; }
+  .mm-popup__box__footer__left-space {
+    float: none; }
+  .mm-popup__box__footer__right-space {
+    float: none; }
+  .mm-popup__box__footer {
+    padding-top: 30px; }
+  .mm-popup__box__footer .mm-popup__btn {
+    display: block;
+    width: 100%;
+    text-align: center;
+    margin-top: 10px; } }

web/src/index.js

@@ -0,0 +1,16 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import './css/index.css';
+import App from './App';
+import registerServiceWorker from './registerServiceWorker';
+
+import WebFontLoader from 'webfontloader';
+
+WebFontLoader.load({
+  google: {
+    families: ['Roboto:300,400,500,700', 'Material Icons'],
+  },
+});
+
+ReactDOM.render(<App />, document.getElementById('root'));
+registerServiceWorker();

web/src/lib/api.js

@@ -0,0 +1,20 @@
+import fetch from 'isomorphic-fetch';
+import {BASE_URL} from '../config/config';
+
+export const getSkill = (id)=>{
+  let url = `http://${BASE_URL}/skill/${id}`
+  return fetch(url, {method: 'GET'});
+}
+
+export const updateSkill = (skill)=>{
+  let id = (skill._id) ? skill._id : -1;
+  let url = `http://${BASE_URL}/skill/${id}`
+  return fetch(url, {
+    method: 'PUT',
+    headers: {
+      'Accept': 'application/json',
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify(skill),
+  });
+}

web/src/registerServiceWorker.js

@@ -0,0 +1,108 @@
+// In production, we register a service worker to serve assets from local cache.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on the "N+1" visit to a page, since previously
+// cached resources are updated in the background.
+
+// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
+// This link also includes instructions on opting out of this behavior.
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.1/8 is considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+export default function register() {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location);
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Lets check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl);
+      } else {
+        // Is not local host. Just register service worker
+        registerValidSW(swUrl);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the old content will have been purged and
+              // the fresh content will have been added to the cache.
+              // It's the perfect time to display a "New content is
+              // available; please refresh." message in your web app.
+              console.log('New content is available; please refresh.');
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.');
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error);
+    });
+}
+
+function checkValidServiceWorker(swUrl) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl)
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      if (
+        response.status === 404 ||
+        response.headers.get('content-type').indexOf('javascript') === -1
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl);
+      }
+    })
+    .catch(() => {
+      console.log(
+        'No internet connection found. App is running in offline mode.'
+      );
+    });
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready.then(registration => {
+      registration.unregister();
+    });
+  }
+}