🛒 eCommerce Backend API

A complete eCommerce Backend API built with Node.js, Express.js, and MongoDB.
This project provides a secure and scalable RESTful API for managing products, users, carts, wishlists, invoices, and more.

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🚀 Tech Stack

• Node.js with Express.js for backend framework
• MongoDB with Mongoose for database
• JWT Authentication for secure login
• Nodemailer for email/OTP verification
• Helmet, CORS, XSS Sanitizer, HPP, Rate Limiting for security

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⚙️ Features

🛍️ Product Management

• Product Brand List
• Product Category List
• Product Slider List
• Product List by Brand, Category, Remark, Keyword
• Product Details
• Review List

👤 User Management

• OTP based login system
• Verify Login
• Create, Update, Read Profile
• User Logout

❤️ Wishlist

• Add product to wishlist
• Remove product from wishlist
• View wishlist

🛒 Cart System

• Add product to cart with color, size, quantity
• Update cart item
• Remove cart item
• View cart list

📄 Invoice Management

• Create Invoice
• View Invoice List
• View Invoice Product List

🔒 Security Features

• JWT Authentication
• Helmet for HTTP headers security
• XSS Sanitizer & xss-clean
• Rate Limiting (express-rate-limit)
• HPP (HTTP Parameter Pollution protection)

📌 Extra Features

• Features List endpoint
• Legal Details endpoint

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📡 API Endpoints

🛍️ Product

• GET /ProductBrandList
• GET /ProductCategoryList
• GET /ProductSliderList
• GET /ProductListByBrand/:id
• GET /ProductListByCategory/:id
• GET /ProductListBySmiler/:id
• GET /ProductListByRemark/:remark
• GET /ProductListByKeyword/:keyword
• GET /ProductDetails/:id
• GET /ReviewList/:id

👤 User

• GET /UserOTP/:email
• GET /VerifyLogin/:email/:otp
• GET /UserLogOut
• POST /CreateProfile
• POST /UpdateProfile
• GET /ReadProfile

❤️ Wishlist

• GET /WishList
• GET /SaveWishList
• GET /RemoveWishList

🛒 Cart

• GET /CartList
• GET /SaveCartList
• GET /UpdateCartList/:id
• GET /RevoveCartList

📄 Invoice

• GET /CreateInvoice
• GET /InvoiceList
• GET /InvoiceProductList/:id

📌 Features

• GET /FeaturesList
• GET /LegalDetails/:type

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📦 Dependencies

Dependency	Purpose
express	Web framework
mongoose	MongoDB ODM
jsonwebtoken	Authentication
helmet	Security headers
cors	Cross-origin requests
cookie-parser	Cookie handling
express-rate-limit	Prevent brute force
xss-clean	Prevent XSS attacks
hpp	Prevent parameter pollution
nodemailer	Email sending
dotenv	Environment variables
axios	HTTP requests

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🛠️ Installation & Setup

1. Clone the repository:

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