Wallpaper App Backend

This is the backend for the Wallpaper App, built with Node.js, Express, and MongoDB, featuring:

• User and Admin authentication
• Image uploads with Cloudinary
• Payments with Razorpay
• Validation with Joi
• Modular controller and route structure
• Error handling middleware

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📁 Project Structure

├── Controllers/       → Logic for each route
├── Db/db.js           → MongoDB connection
├── Middlewares/       → Custom middleware (error, multer)
├── Models/            → Mongoose schemas
├── Routes/            → Express routers
├── Utils/             → Helpers (Cloudinary, handlers)
├── Validation/        → Joi validation schemas
├── public/temp/       → Temp folder for uploads
├── app.js             → Main Express app
├── index.js           → Server entry point

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⚙️ Tech Stack

• Backend: Node.js, Express
• Database: MongoDB with Mongoose
• File Uploads: Multer + Cloudinary
• Payments: Razorpay
• Authentication: JWT
• Validation: Joi
• Mailer: Nodemailer

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📦 Installation

1. Clone the repository

git clone https://github.com/yourusername/wallpaper-app-backend.git
cd wallpaper-app-backend

2. Install dependencies

npm install

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🛠️ Configuration

Create a .env file in the root directory and add the following:

PORT=5000
MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_jwt_secret

# Razorpay
RAZORPAY_KEY_ID=your_razorpay_key_id
RAZORPAY_KEY_SECRET=your_razorpay_key_secret

# Cloudinary
CLOUDINARY_CLOUD_NAME=your_cloud_name
CLOUDINARY_API_KEY=your_api_key
CLOUDINARY_API_SECRET=your_api_secret

# Nodemailer
SMTP_HOST=smtp.example.com
SMTP_PORT=465
SMTP_USER=youremail@example.com
SMTP_PASS=yourpassword

🔐 Note: Make sure to keep .env in your .gitignore (already done).

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🚀 Start the Server

Development mode (with auto-reload)

npx nodemon index.js

Production mode

node index.js

Server will start at http://localhost:5000 (or your configured port).

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📤 Image Upload (Cloudinary)

• Cloudinary is configured in src/Utils/cloudinary.js.
• Uploads handled via multerMiddleware.js.
• Endpoint example: /api/wallpapers/upload

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💳 Payment Integration (Razorpay)

• Razorpay controller: src/Controllers/razorpayController.js
• Route: /api/payment/create-order
• Uses your Razorpay credentials to create and verify orders.

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✅ API Features

Feature	Endpoint	Method
User Registration	/api/users/register	POST
User Login	/api/login	POST
Admin CRUD	/api/admin/	GET/POST/PUT/DELETE
Wallpaper Upload	/api/wallpapers/upload	POST
Wallpaper List	/api/wallpapers	GET
Create Razorpay Order	/api/payment/create-order	POST

Full routing is in /src/Routes/

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🔍 Prettier & Linting

• Prettier config: .prettierrc
• Ignored files: .prettierignore

Run formatting:

npx prettier --write .

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📦 Deployment (Optional)

If you’re deploying to Vercel, your vercel.json will help route the backend appropriately.

You may also consider platforms like:

• Render
• Railway
• DigitalOcean App Platform

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🧪 Testing (Optional Setup)

You can test endpoints using:

• Postman
• Thunder Client (VS Code)
• Insomnia

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🙌 Contributing

Pull requests are welcome! For major changes, please open an issue first to discuss what you'd like to change.

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📄 License

This project is licensed under the ISC License.

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👨‍💻 Author

Developed by Vedansh Tiwari