To add important links later - Demonstration link - https://youtu.be/8lnRnJb0RQY

Robotic Inventory System - Backend

📌 Overview

The Robotic Inventory System is a Node.js and Express-based backend that provides inventory management capabilities, including product tracking, user authentication, and QR code integration. This system allows users to register, log in, and manage product stock levels efficiently.

🚀 Features

• User Authentication (Register, Login, Logout with session-based auth)
• Product Management (CRUD operations for products)
• QR Code Generation (For tracking product stock and purchases)
• Session-Based Middleware (User sessions & last visit tracking)
• View Rendering with EJS (Dynamic UI for inventory management)
• Validation Middleware (Ensuring data integrity)
• Express Session Handling (User sessions stored securely)

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🛠 Tech Stack

• Backend: Node.js, Express.js
• View Engine: EJS with express-ejs-layouts
• Middleware: Express Session, Cookie Parser, Custom Auth Middleware
• QR Code Generation: qrcode package
• Validation: express-validator

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📂 Folder Structure

Backend/
├── src/
│   ├── controllers/       # Handles business logic
│   │   ├── product.controller.js
│   │   ├── user.controller.js
│   ├── middlewares/       # Custom middleware for auth, validation, and session handling
│   │   ├── auth.middleware.js
│   │   ├── lastVisit.middleware.js
│   │   ├── validation.middleware.js
│   ├── models/            # Data models (Currently using JSON storage)
│   │   ├── product.model.js
│   │   ├── user.model.js
│   │   ├── QRCode.utility.js
│   ├── views/             # EJS templates for rendering UI
│   │   ├── layout.ejs
│   │   ├── login.ejs
│   │   ├── register.ejs
│   │   ├── new-product.ejs
│   │   ├── update-product.ejs
│   │   ├── products.ejs
├── index.js               # Entry point of the application
├── package.json           # Project dependencies and metadata
├── package-lock.json      # Package lock file
├── .gitignore             # Git ignore file
├── README.md              # Project documentation

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🔧 Setup & Installation

1. Clone the repository:

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

2. Install dependencies:

   npm install

3. Start the development server:

   npm start

   The server runs on http://localhost:8080

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📜 API Endpoints

🔑 Authentication Routes

Method	Endpoint	Description
GET	/register	Render register page
POST	/register	Register new user
GET	/login	Render login page
POST	/login	User login
GET	/logout	Logout user

📦 Product Management

Method	Endpoint	Description
GET	/	View all products (requires auth)
GET	/api/products	Get all products (JSON)
GET	/new	Get add product form
POST	/	Add new product (Form Submission)
POST	/api/addProducts	Add new product (API)
GET	/update-product/:id	Get update product form
POST	/update-product	Update existing product
GET	/qrcode/:id	Get product by QR Code
POST	/qrcode/:id	Update stock on purchase
GET	/delete-product/:id	Delete product

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🛠 Middleware

• Authentication Middleware (auth.middleware.js): Protects routes from unauthorized access.
• Validation Middleware (validation.middleware.js): Ensures valid product data is submitted.
• Last Visit Middleware (lastVisit.middleware.js): Tracks last visit time in cookies.

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📌 Future Improvements

• Implement role-based access control (RBAC)
• Add RESTful API documentation with Swagger
• Implement unit tests with Jest

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💡 Contributing

Feel free to fork this repository and submit pull requests with improvements or bug fixes.

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📄 License

This project is licensed under the MIT License