Final Project Submission Juan #137

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jszor wants to merge 109 commits into Technigo:main from jszor:main

README.md

            
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    # Final Project

    Replace this readme with your own information about your project.

    BrainPet is a tamagotchi-like web app where the goal is to keep your virtual pet alive by tending to its needs.

    Start by briefly describing the assignment in a sentence or two. Keep it short and to the point.

    ## The idea

    ## The problem

    My goal was to create a virtual pet app that could integrate a learning aspect that allowed my students to solve exercises and gain coins and experience for their pets. The scope was a little ambitious for the given time frame, so it ended up just being a regular tamagotchi app for the hand-in, but I intend on developing the original idea later down the line.

    Describe how you approached to problem, and what tools and techniques you used to solve it. How did you plan? What technologies did you use? If you had more time, what would be next?

    ## Technologies used

    - Frontend: React + TypeScript, TailwindCSS

    - Backend: Node.js + Express

    - Database: MongoDB + mongoose

    - Authentication: JWT

    - Navigation: TanStack Router (approved by Matilda)

    - State management: Zustand

    - External libraries: Framer Motion + node-cron + bcrypt

    - Extracurricular hooks: useNavigate, useLocation.

    - Additional tools: Figma, Postman, Lighthouse, Trello.

    The application is responsive for mobile, tablet and desktop (320px - 1600px) and supported on Chrome, Safari and Firefox. It follows accessibility standards, clean code practices and has a 100% score on Lighthouse.

    ## View it live

    Every project should be deployed somewhere. Be sure to include the link to the deployed project so that the viewer can click around and see what it's all about.
      
    - Deployed frontend: https://brainpet.netlify.app/

    - Deployed backend: https://project-final-wgeu.onrender.com/

backend/.gitignore

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+    # Node modules
+    node_modules
+    # MacOS
+    .DS_Store
+    # Environment variables
+    .env
+    .env.local
+    .env.*.local
+    # Misc
+    todo.md

backend/config/db.js

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+    import mongoose from "mongoose";
+    const connectDB = async () => {
+      try {
+        const uri =
+          process.env.NODE_ENV === "production"
+            ? process.env.MONGODB_URI_PROD
+            : process.env.MONGODB_URI_DEV;
+        await mongoose.connect(uri);
+        console.log(`✅ MongoDB connected to ${uri}`);
+      } catch (err) {
+        console.error("❌ MongoDB connection error:", err.message);
+        process.exit(1);
+      }
+    };
+    export default connectDB;

backend/controllers/authController.js

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+    import { User } from "../models/user.js";
+    import bcrypt from "bcrypt";
+    import jwt from "jsonwebtoken";
+    // Helper to generate JWT
+    const generateToken = (id) => {
+      return jwt.sign({ id }, process.env.JWT_SECRET, { expiresIn: "30d" });
+    };
+    // Register a new user
+    // POST /api/auth/register
+    // Public access
+    export const registerUser = async (req, res) => {
+      const { initials, email, password, classroomCode } = req.body;
+      try {
+        // Check if user exists
+        const userExists = await User.findOne({ email });
+        if (userExists) {
+          return res.status(400).json({ error: "User already exists" });
+        }
+        // Hash password
+        const salt = await bcrypt.genSalt(10);
+        const hashedPassword = await bcrypt.hash(password, salt);
+        // Create user
+        const user = await User.create({
+          initials,
+          email,
+          password: hashedPassword,
+          classroomCode,
+        });
+        // Respond with token
+        res.status(201).json({
+          _id: user._id,
+          initials: user.initials,
+          email: user.email,
+          classroomCode: user.classroomCode,
+          token: generateToken(user._id),
+        });
+      } catch (error) {
+        res.status(400).json({ error: error.message });
+      }
+    };
+    // Log in an existing user
+    // POST api/auth/login
+    // Public access
+    export const loginUser = async (req, res) => {
+      const { email, password } = req.body;
+      try {
+        // Find user
+        const user = await User.findOne({ email });
+        if (!user) {
+          return res.status(401).json({ error: "Invalid credentials" });
+        }
+        // Compare password
+        const isMatch = await bcrypt.compare(password, user.password);
+        if (!isMatch) {
+          return res.status(401).json({ error: "Invalid credentials" });
+        }
+        // Respond with token
+        res.json({
+          _id: user._id,
+          initials: user.initials,
+          email: user.email,
+          classroomCode: user.classroomCode,
+          token: generateToken(user._id),
+        });
+      } catch (error) {
+        res.status(500).json({ error: error.message });
+      }
+    };
+    // Get user profile info (minus password)
+    // GET api/auth/profile
+    // Private access
+    export const getUserProfile = async (req, res) => {
+      try {
+        const user = await User.findById(req.user.id).select("-password");
+        res.json(user);
+      } catch (error) {
+        res.status(500).json({ error: error.message });
+      }
+    };

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