Book Recommender App

A full-stack Book Recommendation application with a Node.js/Express backend and a React Native (Expo) mobile frontend. Users can sign up, log in, add books, rate them, and view recommendations.

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📱 App Interface Screenshots

Sign Up Screen	Login Screen	Profile Screen
Profile Screen(With Recomended Books)	Create Book	Home Page

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Features

• User authentication (signup, login, logout)
• Add, view, and rate books
• Book images and captions
• User profile management
• Book ratings (1-5 stars)
• Cloudinary integration for image uploads
• Modern mobile UI with Expo

Tech Stack

• Backend: Node.js, Express, MongoDB, Mongoose
• Frontend: React Native (Expo)
• Authentication: JWT
• Image Uploads: Cloudinary

Project Structure

BOOKRECOMENDOR/
├── backend/
│   ├── package.json
│   └── src/
│       ├── index.js
│       ├── lib/
│       ├── middleware/
│       ├── models/
│       └── routes/
└── mobile/
    ├── app.json
    ├── package.json
    ├── app/
    ├── assets/
    ├── components/
    ├── constants/
    ├── lib/
    └── store/

Getting Started

Backend

1. Install dependencies:

   cd backend
   npm install

2. Set up a .env file with your MongoDB URI, JWT secret, and Cloudinary credentials.
3. Start the server:

   npm start

Mobile App

1. Install dependencies:

   cd mobile
   npm install

2. Start the Expo development server:

   npx expo start

3. Use the Expo Go app or an emulator to run the app on your device.

API Endpoints (Backend)

• POST /api/auth/signup — Register a new user
• POST /api/auth/login — User login
• POST /api/books — Add a new book (auth required)
• GET /api/books — List all books
• GET /api/books/:id — Get book details
• PUT /api/books/:id — Update a book (auth required)
• DELETE /api/books/:id — Delete a book (auth required)

Book Model Example

{
  title: String, // required, unique
  caption: String, // required, unique
  image: String, // required, unique (Cloudinary URL)
  rating: Number, // required, min: 1, max: 5
  user: ObjectId, // reference to User
}

License

This project is for educational purposes.