Merge branch 'master' into IT19408316

Backend/Node/server.js

-const express = require('express');
-const mongoose = require('mongoose');
-const dotenv = require('dotenv');
-const cors = require('cors');
-const bodyParser = require('body-parser');
-
-//Importing chatbot api
-const chatbotAPI = require('./src/routes/chatbot/dialogFlow');
-
-dotenv.config();
-const app = express();
-app.use(cors());
-
-// parse requests of content-type - application/json
-app.use(bodyParser.json());
-// parse requests of content-type - application/x-www-form-urlencoded
-app.use(bodyParser.urlencoded({ extended: true }));
-
-const PORT = process.env.PORT || 8081;
-
-/**
- * Get MONGODB_URI from .env
- */
-
-const MONGODB_URI = process.env.MONGODB_URI;
-
-mongoose.connect(MONGODB_URI, {
-    useNewUrlParser: true,
-    useUnifiedTopology: true,
-}, (error) => {
-
-    if (error) {
-        console.log('Database Error:', error.message);
-        console.log('######################################################');
-    }
-});
-
-mongoose.connection.once('open', () => {
-    console.log('Database Connected...');
-    initial();
-    console.log('######################################################');
-});
-
-app.route('/').get((req, res) => {
-    res.send('Research Project');
-});
-
-require('./src/routes/auth.routes')(app);
-require('./src/routes/user.routes')(app);
-
-app.use('/api/dialogflow', chatbotAPI);
-
-app.listen(PORT, () => {
-    console.log('######################################################');
-    console.log(`Server is ON and running on PORT : ${PORT}`);
-    console.log('...Wait DB connecting...');
-});
-
-const db = require("./src/modules");
-const Role = db.role;
-
-
-  function initial() {
-    Role.estimatedDocumentCount((err, count) => {
-      if (!err && count === 0) {
-        new Role({
-          name: "user"
-        }).save(err => {
-          if (err) {
-            console.log("error", err);
-          }
-  
-          console.log("added 'user' to roles collection");
-        });
-
-        new Role({
-          name: "manager"
-        }).save(err => {
-          if (err) {
-            console.log("error", err);
-          }
-  
-          console.log("added 'manager' to roles collection");
-        });
-
-        new Role({
-          name: "student"
-        }).save(err => {
-          if (err) {
-            console.log("error", err);
-          }
-  
-          console.log("added 'student' to roles collection");
-        });
-
-        new Role({
-          name: "admin"
-        }).save(err => {
-          if (err) {
-            console.log("error", err);
-          }
-  
-          console.log("added 'admin' to roles collection");
-         console.log('######################################################');
-        });
-      }
-    });
-  }
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