added chatbot functionality

.gitignore

@@ -40,6 +40,9 @@ build
 # Dependency directories
 node_modules/
 jspm_packages/
+Lib
+Scripts
+
 
 # TypeScript v1 declaration files
 typings/
@@ -97,4 +100,7 @@ typings/
 .tern-port
 
 # vscode settings
-.vscode
+.vscode
+
+#Ignored package-lock.json
+package-lock.json

.prettierrc

@@ -1,5 +1,5 @@
-{
-  "semi": false,
-  "trailingComma": "es5",
-  "singleQuote": true
-}
+{
+  "semi": false,
+  "trailingComma": "es5",
+  "singleQuote": true
+}

package.json

@@ -20,6 +20,7 @@
     "lodash": "^4.17.20",
     "mongoose": "^5.10.3",
     "morgan": "^1.9.1",
+    "python-shell": "^2.0.2",
     "socket.io": "^2.3.0"
   },
   "devDependencies": {

src/chatBot.py

@@ -0,0 +1,86 @@
+import sys
+import logging
+logger = logging.getLogger()
+logger.setLevel(logging.CRITICAL)
+from chatterbot import ChatBot
+from chatterbot.trainers import ListTrainer
+
+chatbot = ChatBot(
+    'Darkrai-Bot',
+    preprocessors=[
+        'chatterbot.preprocessors.clean_whitespace'
+    ],
+    storage_adapter='chatterbot.storage.SQLStorageAdapter',
+    logic_adapters=[
+        'chatterbot.logic.BestMatch',
+        'chatterbot.logic.MathematicalEvaluation',
+    ],
+    database_uri='sqlite:///database.sqlite3'
+)
+general = [
+    "Hi",
+    "Hi",
+    "Heya",
+    "Fine",
+    "I'm good what about you",
+    "How are you?",
+    "I'm good what about you",
+    "What are you doing?",
+    "Nothing just talking with you",
+    "Are you happy",
+    "Yes i'm Happy",
+    "Hello",
+    "Hi there!",
+    "How are you doing?",
+    "I'm doing great.",
+    "That is good to hear",
+    "Thank you.",
+    "You're welcome."
+]
+
+project =[
+     'What is Darkrai?',
+     'Darkrai is a browser extension that will enable the user to chat with any other user visiting the same website as themselves.',
+     'How to use',
+     '''
+     Download the Extension from the Chrome and Open any Website and then you can chat with any other person or
+     group of person visitin the website
+     ''',
+    'Who built it?',
+    'It is built by students of DA-IICT college',
+    'What features does it have?',
+    'Darkrai is a browser extension through which we chat with other people visiting the same website',
+    'Is it available for FireFox',
+    'No currently it is available for Chrome only',
+    'Is it a full fledged application',
+    'It is still in development and new features are added continuously',
+    'Is it applicable for any website',
+    'Yes it is available for any websites',
+    'Can i use it?',
+    'Yes you can use it you just have to download the extension from the chrome',
+    'Can i get the Github link of this project',
+    r'Yes you can go to this repository https://github.com/darkraichat',
+    'Is it open-source or close source',
+    'Darkrai Chat is an Open Source Application',
+    'Which stack Darkrai uses?',
+    'MERN stack',
+    'What is the Stack of Darkrai',
+    'It uses MERN stack',
+    'This is a Nice App',
+    'Thanks do share with your friends'
+]
+
+trainer = ListTrainer(chatbot)
+
+for item in (general, project):
+    trainer.train(item)
+
+
+user_input = sys.argv[1]
+bot_response = chatbot.get_response(user_input)
+if(bot_response.confidence < 0.1):
+    print('I am sorry, but I do not understand.')
+else:
+    print(bot_response)
+
+#print(sys.argv[1])

src/controllers/index.js

@@ -1,6 +1,5 @@
 const Message = require('../models/message')
 const Room = require('../models/room')
-
 const addMessage = function (username, message, website) {
   const newMessage = {
     username,

src/index.js

@@ -9,10 +9,10 @@ const jwt = require('jsonwebtoken')
 const Room = require('./models/room')
 const indexRoutes = require('./routes')
 const controllers = require('./controllers')
-const toxicity = require('@tensorflow-models/toxicity')
-
+const {PythonShell} =require('python-shell')
+//const toxicity = require('@tensorflow-models/toxicity')
 // tfjs node backend initialization
-require('@tensorflow/tfjs-node')
+// require('@tensorflow/tfjs-node')
 
 // Loading .env
 require('dotenv').config()
@@ -52,6 +52,7 @@ const io = socket(server)
 app.use(express.json())
 app.use(express.urlencoded({ extended: true }))
 
+
 // Users count for each room
 const rooms = {}
 
@@ -95,24 +96,50 @@ io.sockets
     })
 
     socket.on('send_message', (data) => {
+      //console.log(socket.id);
       // tfjs toxicity model prediction
-      toxicity.load().then((model) => {
-        model.classify(data.message).then((predictions) => {
-          if (predictions[predictions.length - 1].results[0].match) {
-            console.log('Toxic message detected. Deleting now...')
-            io.sockets.in(socket.room).emit('delete_message', {
-              message: data.message,
-            })
-            controllers.updateMessage(data.message)
-          }
-        })
-      })
+      // toxicity.load().then((model) => {
+      //   model.classify(data.message).then((predictions) => {
+      //     if (predictions[predictions.length - 1].results[0].match) {
+      //       console.log('Toxic message detected. Deleting now...')
+      //       io.sockets.in(socket.room).emit('delete_message', {
+      //         message: data.message,
+      //       })
+      //       controllers.updateMessage(data.message)
+      //     }
+      //   })
+      // })
 
       controllers.addMessage(socket.username, data.message, socket.room)
       io.sockets.in(socket.room).emit('receive_message', {
         username: socket.username,
         message: data.message,
       })
+
+      // ChatBot code 
+      const check = data.message.toString();
+      if(check[0].toLowerCase()==='c' && check[1].toLowerCase()==='b' && check[2]==='-'){
+      const search = check.slice(3);
+      let options = { 
+        mode: 'text', 
+        pythonOptions: ['-u'], // get print results in real-time 
+        scriptPath: 'src/', //If you are having python_test.py script in same folder, then it's optional. 
+        args: [search] //An argument which can be accessed in the script using sys.argv[1] 
+      }; 
+      let msg='' // Chatbot response
+      PythonShell.run('chatBot.py', options, function (err, result){ 
+        if (err) res.send(err.message); 
+          const len = result.length;
+          const response = result[len-1];
+          msg = response.toString();
+          console.log('result: ', msg); 
+          io.sockets.in(socket.room).emit('receive_message',{
+            username: 'ChatBot',
+            message: msg
+          })
+        // res.send(response.toString()) 
+      })
+    }
     })
 
     socket.on('disconnect', (data) => {

src/routes/index.js

@@ -16,7 +16,7 @@ router.post('/login', async (req, res) => {
   if (user) {
     const token = jwt.sign(
       { username: user.username },
-      process.env.SERVER_SECRET,
+      `${process.env.SERVER_SECRET}`,
       {
         expiresIn: '30d',
       }
@@ -49,7 +49,7 @@ router.post('/register', (req, res) => {
     }).then(async (user) => {
       const token = jwt.sign(
         { username: user.username },
-        process.env.SERVER_SECRET,
+        "process.env.SERVER_SECRET",
         {
           expiresIn: '30d',
         }