🧾 Bill Manager - Smart Agricultural Equipment Billing System

Enterprise-Grade Bill Management Solution for Makwel Industries

Live Demo • Report Bug • Request Feature

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📊 Project Overview

Bill Manager is a full-stack enterprise billing solution designed specifically for Makwel Industries, India's premier tractor-driven agricultural equipment manufacturer. This sophisticated system streamlines invoice generation, customer data management, and sales analytics for agricultural machinery including threshers, grain processors, and farming equipment.

🎯 Key Highlights

graph TD
    A[Bill Manager System] --> B[Frontend - React 19]
    A --> C[Backend - Node.js/Express]
    A --> D[Database - MongoDB]
    B --> E[Dynamic Bill Generation]
    B --> F[Product Catalog]
    B --> G[Advanced Filtering]
    C --> H[RESTful API]
    C --> I[Data Validation]
    D --> J[Cloud Database]
    D --> K[Real-time Updates]
    
    style A fill:#4F46E5,stroke:#333,stroke-width:4px,color:#fff
    style B fill:#61DAFB,stroke:#333,stroke-width:2px
    style C fill:#68A063,stroke:#333,stroke-width:2px
    style D fill:#47A248,stroke:#333,stroke-width:2px

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🚀 Features & Capabilities

💼 Core Functionality

Feature	Description	Status
🧾 Smart Bill Generation	Dynamic invoice creation with real-time total calculation	✅ Production
👥 Customer Management	Comprehensive customer profiles with address tracking	✅ Production
📦 Product Catalog	Extensive agricultural equipment showcase	✅ Production
🔍 Advanced Filtering	Filter bills by State, District, and Taluka	✅ Production
📊 Sorting & Analytics	Sort by date (Latest/Oldest) with visual insights	✅ Production
🖨️ Print Functionality	Professional invoice printing	✅ Production
📱 Responsive Design	Mobile-first approach with TailwindCSS	✅ Production
☁️ Cloud Deployment	Deployed on Render for 24/7 availability	✅ Production

🏗️ System Architecture

flowchart LR
    subgraph Client["🖥️ Frontend Layer"]
        A[React 19 SPA]
        B[Vite Build]
        C[TailwindCSS]
    end
    
    subgraph Server["⚙️ Backend Layer"]
        D[Express.js API]
        E[CORS Middleware]
        F[Data Validation]
    end
    
    subgraph Data["💾 Data Layer"]
        G[MongoDB Atlas]
        H[Bill Schema]
    end
    
    subgraph Features["✨ Features"]
        I[Bill Creation]
        J[Bill Retrieval]
        K[Filtering]
        L[Analytics]
    end
    
    A --> D
    D --> G
    I --> D
    J --> D
    K --> D
    L --> D
    
    style Client fill:#61DAFB,stroke:#333,stroke-width:2px
    style Server fill:#68A063,stroke:#333,stroke-width:2px
    style Data fill:#47A248,stroke:#333,stroke-width:2px
    style Features fill:#F59E0B,stroke:#333,stroke-width:2px

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🛠️ Technology Stack

Frontend Technologies

Core Framework: React 19.0.0 (Latest)
Build Tool: Vite 6.2.0 (Lightning-fast HMR)
Styling: TailwindCSS 4.0.10 (Utility-first CSS)
Routing: React Router DOM 7.2.0
HTTP Client: Axios 1.8.1
Icons: Lucide React + React Icons
State Management: React Hooks (useState, useEffect)

Backend Technologies

Runtime: Node.js
Framework: Express 4.21.2
Database: MongoDB 6.14.2
ODM: Mongoose 8.12.1
Security: CORS 2.8.5
Environment: dotenv 16.4.7
Development: Nodemon 3.1.9

DevOps & Deployment

Version Control: Git & GitHub
Cloud Platform: Render (Backend)
Database Hosting: MongoDB Atlas
CI/CD: Automated deployment pipeline

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📁 Project Structure

Bill-Manager/
│
├── 📂 Backend/                      # Node.js Express Server
│   ├── server.js                    # Main server configuration
│   ├── package.json                 # Backend dependencies
│   ├── 📂 models/
│   │   └── billSchema.js           # Bill validation schema
│   └── 📂 routes/
│       └── bill.js                 # Bill CRUD operations
│
└── 📂 Frontend/                     # React Application
    ├── index.html                   # Entry HTML
    ├── package.json                 # Frontend dependencies
    ├── vite.config.js              # Vite configuration
    ├── eslint.config.js            # Code quality rules
    │
    └── 📂 src/
        ├── main.jsx                 # React entry point
        ├── App.jsx                  # Main App component
        ├── App.css                  # Global styles
        │
        └── 📂 Component/
            ├── Navbar.jsx           # Navigation component
            │
            ├── 📂 Bill/
            │   ├── Bill.jsx         # Bill list with filters
            │   └── Bill.css
            │
            ├── 📂 BillForm/
            │   ├── BillForm.jsx     # Dynamic bill creation
            │   └── BillForm.css
            │
            ├── 📂 BillList/
            │   └── BillList.jsx     # Bill display component
            │
            ├── 📂 Billdetails/
            │   ├── Billdetails.jsx  # Individual bill view
            │   └── Billdetails.css
            │
            ├── 📂 Home/
            │   ├── Home.jsx         # Landing page
            │   ├── Home.css
            │   │
            │   ├── 📂 BrowseProducts/
            │   │   ├── BrowseProducts.jsx
            │   │   └── BrowseProducts.css
            │   │
            │   └── 📂 ProductDetail/
            │       ├── MaizeCornThresher/
            │       ├── SamratCastorThresher/
            │       ├── SamratGrainThresher/
            │       ├── SamratGroundNutDigger/
            │       └── SamratMultiGrainThresher/
            │
            └── 📂 ContactUs/
                ├── ContactUs.jsx
                └── ContactUs.css

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📈 Technical Achievements

Performance Metrics

graph LR
    A[Performance Metrics] --> B[Build Time: <2s]
    A --> C[Bundle Size: Optimized]
    A --> D[API Response: <200ms]
    A --> E[Database Queries: Indexed]
    
    style A fill:#8B5CF6,stroke:#333,stroke-width:3px,color:#fff
    style B fill:#10B981,stroke:#333,stroke-width:2px
    style C fill:#10B981,stroke:#333,stroke-width:2px
    style D fill:#10B981,stroke:#333,stroke-width:2px
    style E fill:#10B981,stroke:#333,stroke-width:2px

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🎨 User Interface Excellence

• Modern Design: Clean, professional interface with smooth animations
• Responsive Layout: Seamless experience across desktop, tablet, and mobile
• Intuitive UX: Simple navigation with clear call-to-actions
• Accessibility: WCAG compliant design patterns

💾 Database Schema Design

Bill Schema {
  customerName: String (Required)
  items: Array [
    {
      name: String,
      price: Number,
      quantity: Number
    }
  ]
  totalAmount: Number (Auto-calculated)
  date: Date (ISO format)
  address: {
    houseNo: String,
    street: String,
    city: String,
    taluka: String,
    district: String,
    state: String
  }
}

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🚦 Getting Started

Prerequisites

# Required software
- Node.js >= 16.x
- npm >= 8.x
- MongoDB Atlas account
- Git

Installation & Setup

1️⃣ Clone the Repository

git clone https://github.com/yourusername/bill-manager.git
cd bill-manager

2️⃣ Backend Setup

cd Backend
npm install

# Create .env file
touch .env

# Add environment variables
MONGO_URI=your_mongodb_connection_string
DB_NAME=bill_manager
PORT=5000

# Start backend server
npm start

3️⃣ Frontend Setup

cd Frontend
npm install

# Start development server
npm run dev

4️⃣ Access Application

Frontend: http://localhost:5173
Backend API: http://localhost:5000

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🎯 API Documentation

Endpoints

Method	Endpoint	Description
POST	/bills/create	Create new bill
GET	/bills/all	Retrieve all bills
GET	/bills/:id	Get specific bill
PUT	/bills/:id	Update bill
DELETE	/bills/:id	Delete bill

Example Request

POST /bills/create
Content-Type: application/json

{
  "customerName": "Ramesh Patel",
  "items": [
    {
      "name": "Samrat Multi Grain Thresher",
      "price": 85000,
      "quantity": 1
    }
  ],
  "totalAmount": 85000,
  "date": "2025-12-15",
  "address": {
    "houseNo": "45",
    "street": "Agriculture Road",
    "city": "Rajkot",
    "taluka": "Rajkot",
    "district": "Rajkot",
    "state": "Gujarat"
  }
}

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🌟 Product Showcase

The system manages billing for these premium agricultural products:

Product	Category	Features
🌽 Maize/Corn Thresher	Grain Processing	High-capacity corn shelling
🌱 Samrat Grain Thresher	Multi-Crop	Wheat, rice, barley processing
🥜 Groundnut Digger	Harvesting	Efficient groundnut extraction
🌾 Multi Grain Thresher	Universal	All-in-one grain solution
🫘 Castor Thresher	Specialized	Castor seed processing

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📊 Data Flow Diagram

sequenceDiagram
    participant U as User
    participant F as Frontend
    participant B as Backend API
    participant D as MongoDB

    U->>F: Fill Bill Form
    F->>F: Validate Input
    F->>F: Calculate Total
    F->>B: POST /bills/create
    B->>B: Validate Schema
    B->>D: Insert Document
    D-->>B: Confirm Save
    B-->>F: Success Response
    F-->>U: Show Success Message
    
    U->>F: View Bills
    F->>B: GET /bills/all
    B->>D: Query All Bills
    D-->>B: Return Documents
    B-->>F: JSON Response
    F->>F: Apply Filters
    F-->>U: Display Bills

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🎓 Learning Outcomes & Skills Demonstrated

Technical Skills

✅ Full-Stack Development: End-to-end application development
✅ RESTful API Design: Industry-standard API architecture
✅ Database Management: MongoDB schema design and queries
✅ React Ecosystem: Latest React 19 with modern hooks
✅ Responsive Design: Mobile-first CSS with TailwindCSS
✅ State Management: Complex state handling in React
✅ Form Validation: Client and server-side validation
✅ Cloud Deployment: Production deployment on Render

Soft Skills

✅ Problem Solving: Complex business logic implementation
✅ Code Organization: Clean, maintainable codebase
✅ Documentation: Comprehensive README and comments
✅ Version Control: Git workflow best practices

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🔒 Security Features

• ✅ Environment variable protection
• ✅ Input validation on frontend and backend
• ✅ CORS configuration for API security
• ✅ Schema validation for data integrity
• ✅ Secure MongoDB connection string handling

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🚀 Future Enhancements

mindmap
  root((Future Roadmap))
    Authentication
      JWT Tokens
      Role-based Access
      User Profiles
    Analytics
      Sales Dashboard
      Revenue Graphs
      Customer Insights
    Features
      PDF Export
      Email Invoices
      Payment Gateway
    Performance
      Redis Caching
      GraphQL API
      Microservices

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📞 Contact & Support

Developed with ❤️ for Makwel Industries

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📄 License

This project is developed for Makwel Industries - All Rights Reserved.

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Made with passion and precision 🚀

Showcasing expertise in modern web development, database management, and enterprise solutions