E-Commerce Backend

This is the backend for an e-commerce application built using Node.js, Express.js, and MongoDB. It provides APIs for user authentication, product management, cart functionality, and payment integration with Stripe. The backend also includes features like image uploads using Multer and Cloudinary, product filtering, pagination, and search.

Features

• User Authentication: Sign up, log in, and secure JWT-based authentication.
• Product Management: Add, update, and delete products with categories and filtering options.
• Cart Management: Add, update, and remove items from the cart.
• Favourites: Mark and unmark products as favourites.
• Payment Integration: Stripe integration for secure payments.
• Image Upload: Upload product images using Multer and Cloudinary.
• Product Search: Search products by name and filter by price, category, etc.
• Pagination: API pagination for product lists.
• Middleware: Custom middleware for authentication and authorization.

Tech Stack

• Node.js: JavaScript runtime for server-side logic.
• Express.js: Framework for building RESTful APIs.
• MongoDB: NoSQL database for data storage.
• Multer: Middleware for handling multipart/form-data for image uploads.
• Cloudinary: Cloud service for image hosting and management.
• JWT: JSON Web Token for authentication.
• Stripe: Payment gateway integration for handling transactions.

API Endpoints

Authentication

• POST /api/auth/signup - Register a new user.
• POST /api/auth/login - Log in a user.
• GET /api/auth/profile - Get the profile of the logged-in user.

Products

• POST /api/products - Add a new product. (Admin only)
• GET /api/products - Get a list of products with pagination, search, and filtering.
• GET /api/products/:id - Get a single product by ID.
• PUT /api/products/:id - Update a product. (Admin only)
• DELETE /api/products/:id - Delete a product. (Admin only)

Favourites

• POST /api/products/:id/favourite - Mark a product as favourite.
• DELETE /api/products/:id/unfavourite - Remove a product from favourites.
• GET /api/products/favourites - Get a list of favourite products.

Cart

• POST /api/cart - Add a product to the cart.
• PUT /api/cart/:id - Update the quantity of a product in the cart.
• DELETE /api/cart/:id - Remove a product from the cart.
• GET /api/cart - Get the cart items of the logged-in user.

Stripe Payment

• POST /api/checkout - Create a payment session with Stripe.

Installation

1. Clone the repository:

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