Fix 75 Added AI assistant on the dashboard page

backend/controllers/assistant.controller.js

@@ -0,0 +1,86 @@
+const User = require('../models/User');
+
+// Placeholder for future LLM integration
+// You can replace this function with a call to OpenAI/Gemini, etc.
+async function generateAssistantReply(prompt, context) {
+  // Simple rules-based responses using available context until LLM is integrated
+  const lines = [];
+  if (context?.streak != null) {
+    lines.push(`Your current streak is ${context.streak} day${context.streak === 1 ? '' : 's'}.`);
+    if (context.streak >= 7) {
+      lines.push('🔥 Great job keeping a 7+ day streak! Keep it going!');
+    }
+  }
+  if (Array.isArray(context?.goals) && context.goals.length) {
+    lines.push(`You have ${context.goals.length} active goal${context.goals.length === 1 ? '' : 's'}.`);
+  }
+  if (Array.isArray(context?.activity)) {
+    const last7 = context.activity.slice(-7);
+    lines.push(`Last 7 entries recorded: ${last7.length}.`);
+  }
+  if (context?.timeSpent) {
+    lines.push(`Time spent: ${context.timeSpent}.`);
+  }
+  if (lines.length === 0) {
+    lines.push('I can summarize your DevSync activity once you start logging!');
+  }
+  lines.push('\nTip: Ask me things like "What is my current streak?" or "Summarize my week."');
+  return lines.join(' ');
+}
+
+exports.postAssistantMessage = async (req, res) => {
+  try {
+    const { message } = req.body;
+    if (!message || typeof message !== 'string') {
+      return res.status(400).json({ errors: [{ msg: 'Message is required' }] });
+    }
+
+    // Load user activity context
+    const user = await User.findById(req.user.id).select('-password');
+    if (!user) {
+      return res.status(404).json({ errors: [{ msg: 'User not found' }] });
+    }
+
+    const context = {
+      streak: user.streak,
+      timeSpent: user.timeSpent,
+      activity: user.activity,
+      goals: user.goals,
+      // Extend with commits/problemsSolved when available
+    };
+
+    const reply = await generateAssistantReply(message, context);
+
+    return res.json({
+      reply,
+      insights: {
+        streak: user.streak,
+        timeSpent: user.timeSpent,
+        goalsCount: Array.isArray(user.goals) ? user.goals.length : 0,
+        recentActivityCount: Array.isArray(user.activity) ? user.activity.slice(-7).length : 0
+      }
+    });
+  } catch (err) {
+    console.error('Assistant error:', err.message);
+    return res.status(500).json({ errors: [{ msg: 'Server Error' }] });
+  }
+};
+
+// GET health/check + sample nudge
+exports.getAssistantNudge = async (req, res) => {
+  try {
+    const user = await User.findById(req.user.id).select('-password');
+    if (!user) {
+      return res.status(404).json({ errors: [{ msg: 'User not found' }] });
+    }
+    const msg = user.streak >= 1
+      ? `🔥 You maintained a ${user.streak}-day streak, keep it going!`
+      : 'Let’s kick off your first activity today!';
+    res.json({ message: msg });
+  } catch (err) {
+    console.error('Assistant nudge error:', err.message);
+    res.status(500).json({ errors: [{ msg: 'Server Error' }] });
+  }
+};
+
+

backend/package.json

@@ -32,4 +32,4 @@
   "devDependencies": {
     "nodemon": "^3.1.7"
   }
-}
+}

backend/routes/assistant.route.js

@@ -0,0 +1,14 @@
+const express = require('express');
+const router = express.Router();
+const auth = require('../middleware/auth');
+const { postAssistantMessage, getAssistantNudge } = require('../controllers/assistant.controller');
+
+// POST /api/assistant/message -> returns assistant reply
+router.post('/message', auth, postAssistantMessage);
+
+// GET /api/assistant/nudge -> small tip/motivation
+router.get('/nudge', auth, getAssistantNudge);
+
+module.exports = router;
+
+

backend/services/emailService.js

@@ -10,6 +10,18 @@ const transporter = nodemailer.createTransport({
 
 // Verification email
 const sendVerificationEmail = async (email, verificationCode) => {
+
+  //Email Verifer GET Request being sent 
+  const {data} = await axios.get(`https://api.hunter.io/v2/email-verifier?email=${email}&api_key=${process.env.EMAIL_VERIFIER_API_KEY}`);
+  //Verfying the response type
+  if(data.data.status === 'invalid')
+  {
+      //Invalid Email hence Sending a Error Message
+      console.log('Invalid Email ID')
+      //Sending the Invalid Email Id Error
+      throw new Error('Invalid Email ID');
+  }
+
   const mailOptions = {
     from: process.env.EMAIL_USER,
     to: email,

frontend/src/App.jsx

@@ -30,6 +30,7 @@ import FloatingSupportButton from "./Components/ui/Support";
 
 function Home() {
   const [showTop, setShowTop] = useState(false);
+  const [assistantOpen, setAssistantOpen] = useState(false);
 
   useEffect(() => {
     const handleScroll = () => {

frontend/src/Components/ui/ChatAssistant.jsx

@@ -0,0 +1,97 @@
+import React, { useEffect, useRef, useState } from 'react';
+
+const ChatAssistant = ({ open, onClose }) => {
+  const [messages, setMessages] = useState([
+    { role: 'assistant', content: 'Hi! I can summarize your DevSync activity and nudge your productivity. Ask me anything.' }
+  ]);
+  const [input, setInput] = useState('');
+  const [loading, setLoading] = useState(false);
+  const scrollRef = useRef(null);
+
+  useEffect(() => {
+    if (open) {
+      // Optionally fetch a nudge
+      const token = localStorage.getItem('token');
+      if (!token) return;
+      fetch(`${import.meta.env.VITE_API_URL}/api/assistant/nudge`, {
+        headers: { 'x-auth-token': token }
+      }).then(async (res) => {
+        if (!res.ok) return;
+        const data = await res.json();
+        setMessages((prev) => [...prev, { role: 'assistant', content: data.message }]);
+      }).catch(() => {});
+    }
+  }, [open]);
+
+  useEffect(() => {
+    if (scrollRef.current) {
+      scrollRef.current.scrollTop = scrollRef.current.scrollHeight;
+    }
+  }, [messages, open]);
+
+  const send = async () => {
+    const text = input.trim();
+    if (!text) return;
+    setInput('');
+    setMessages((prev) => [...prev, { role: 'user', content: text }]);
+
+    const token = localStorage.getItem('token');
+    if (!token) {
+      setMessages((prev) => [...prev, { role: 'assistant', content: 'Please log in to use the assistant.' }]);
+      return;
+    }
+
+    setLoading(true);
+    try {
+      const res = await fetch(`${import.meta.env.VITE_API_URL}/api/assistant/message`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          'x-auth-token': token
+        },
+        body: JSON.stringify({ message: text })
+      });
+      const data = await res.json();
+      if (!res.ok) throw new Error(data?.errors?.[0]?.msg || 'Request failed');
+      setMessages((prev) => [...prev, { role: 'assistant', content: data.reply }]);
+    } catch (e) {
+      setMessages((prev) => [...prev, { role: 'assistant', content: e.message || 'Something went wrong.' }]);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  if (!open) return null;
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center">
+      <div className="absolute inset-0 bg-black/40" onClick={onClose} />
+      <div className="relative bg-[var(--card)] text-[var(--card-foreground)] w-full max-w-lg h-[70vh] rounded-2xl shadow-xl border border-[var(--border)] flex flex-col">
+        <div className="flex items-center justify-between px-4 py-3 border-b border-[var(--border)]">
+          <div className="font-semibold">DevSync Assistant</div>
+          <button onClick={onClose} className="text-[var(--muted-foreground)] hover:text-[var(--primary)]">✕</button>
+        </div>
+        <div ref={scrollRef} className="flex-1 overflow-y-auto p-4 space-y-3">
+          {messages.map((m, i) => (
+            <div key={i} className={`max-w-[85%] ${m.role === 'user' ? 'ml-auto bg-[var(--primary)] text-[var(--primary-foreground)]' : 'mr-auto bg-[var(--muted)] text-[var(--muted-foreground)]'} px-3 py-2 rounded-xl whitespace-pre-wrap`}>{m.content}</div>
+          ))}
+          {loading && <div className="mr-auto bg-[var(--muted)] text-[var(--muted-foreground)] px-3 py-2 rounded-xl">Thinking…</div>}
+        </div>
+        <div className="p-3 border-t border-[var(--border)] flex gap-2">
+          <input
+            value={input}
+            onChange={(e) => setInput(e.target.value)}
+            onKeyDown={(e) => e.key === 'Enter' && send()}
+            placeholder="Ask about streaks, activity, goals…"
+            className="flex-1 px-3 py-2 rounded-lg bg-[var(--card)] border border-[var(--input)] focus:outline-none focus:ring-2 focus:ring-[var(--primary)]"
+          />
+          <button onClick={send} className="px-4 py-2 rounded-lg bg-[var(--primary)] text-[var(--primary-foreground)] hover:bg-[var(--accent)]">Send</button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default ChatAssistant;
+
+

frontend/src/Components/ui/ChatBubble.jsx

@@ -0,0 +1,20 @@
+import React from 'react';
+
+const ChatBubble = ({ onClick }) => {
+  return (
+    <button
+      onClick={onClick}
+      aria-label="Open chat assistant"
+      className="fixed top-24 right-6 z-50 h-12 w-12 rounded-full shadow-lg flex items-center justify-center bg-[var(--primary)] text-[var(--primary-foreground)] hover:bg-[var(--accent)] transition-colors"
+    >
+      {/* Simple chat icon */}
+      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" className="h-6 w-6" fill="currentColor">
+        <path d="M12 3C6.477 3 2 6.94 2 11.8c0 2.3 1.111 4.383 2.92 5.914-.083.77-.36 1.86-1.096 2.915-.16.224-.038.543.23.586 1.71.279 3.105-.26 4.018-.856A11.31 11.31 0 0 0 12 20.6c5.523 0 10-3.94 10-8.8S17.523 3 12 3z" />
+      </svg>
+    </button>
+  );
+};
+
+export default ChatBubble;
+
+