# 📦 Inventory Management System

A modern Inventory Management System built using the MERN Stack to help businesses manage products, sales, customers, payments, and inventory from a single dashboard.

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# 🚀 Project Overview

This application is designed for shop owners and small businesses to manage their complete inventory lifecycle.

The system provides a real-time dashboard where the owner can instantly see:

- Today's Sales
- Monthly Revenue
- Total Products
- Customers
- Pending Payments
- Low Stock Alerts
- Recent Sales
- Inventory Status

Instead of manually maintaining Excel sheets, every inventory operation is updated automatically.

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# 🎯 Project Goal

The main objective is to build a fast, secure, and user-friendly inventory management application that can:

- Track stock
- Record sales
- Manage customers
- Track pending payments
- Generate reports
- Visualize business growth

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# 🛠 Tech Stack

## Frontend

- React.js
- React Router
- Axios
- Context API
- CSS3
- Recharts

## Backend

- Node.js
- Express.js
- JWT Authentication
- bcryptjs

## Database

- MongoDB
- Mongoose

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# 📂 Modules

## Authentication

- Secure Login
- JWT Authentication
- Protected Routes
- Auto Login
- Logout

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## Dashboard

The dashboard gives a complete overview of the business.

### Dashboard Cards

- Today's Sales
- Total Products
- Monthly Sales
- Customers
- Pending Payments

Each card contains

- Current Value
- Growth Percentage
- Small Trend Graph

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## Sales Module

Features

- Create Sale
- Multiple Products in One Sale
- Automatic Stock Deduction
- Invoice Number
- Payment Status
- Sale History

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## Product Module

Features

- Add Product
- Edit Product
- Delete Product
- Soft Delete
- Category Selection
- Stock Quantity
- Cost Price
- Selling Price

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## Category Module

Features

- Create Category
- Edit Category
- Delete Category

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## Customer Module

Features

- Add Customer
- Customer Details
- Pending Balance
- Purchase History

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## Payment Module

Features

- Receive Payment
- Partial Payment
- Payment History
- Customer Balance Update

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## Reports

- Daily Sales
- Monthly Sales
- Revenue Report
- Inventory Report
- Customer Report

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# 📊 Dashboard Sections

## Greeting Section

Displays

Good Morning, User

along with today's date.

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## Statistics Cards

Shows important business metrics.

- Today's Sales
- Total Products
- Monthly Revenue
- Customers
- Pending Payments

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## Sales Overview

A line chart displaying revenue growth.

User can filter by

- Weekly
- Monthly
- Yearly

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## Inventory Status

A Doughnut Chart displaying

🟢 In Stock

🟡 Low Stock

🔴 Out of Stock

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## Quick Actions

Quick buttons

- New Sale
- Add Product
- Add Customer
- Receive Payment

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## Recent Sales

Shows latest invoices.

Information includes

- Customer Name
- Invoice Number
- Amount
- Payment Status

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## Low Stock Alerts

Displays products that are about to run out.

Example

- Wireless Mouse
- HDMI Cable
- Mechanical Keyboard

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# 🔐 Security

- JWT Authentication
- Password Hashing
- Protected APIs
- Input Validation
- Error Handling

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# 📱 UI Features

- Responsive Design
- Mobile Friendly
- Clean Dashboard
- Modern Cards
- Charts
- Soft Shadows
- Gradient Buttons
- Smooth Animations

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# 📈 Future Improvements

- Barcode Scanner
- QR Code Support
- Excel Import/Export
- PDF Invoice
- GST Billing
- Email Invoice
- Dark Mode
- Multi User Support
- Analytics
- Notifications
- Backup & Restore

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# 📸 Dashboard Preview

The dashboard contains

✔ Business Summary

✔ Revenue Analytics

✔ Inventory Analytics

✔ Recent Sales

✔ Low Stock Alerts

✔ Quick Actions

making inventory management simple, fast, and efficient.

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# 👨‍💻 Author

Developed by **Rohan Pal**

Built as a complete MERN Stack Inventory Management Project.