Billing App The Billing App is a comprehensive business management solution designed to streamline operations and enhance productivity. Developed using modern web technologies, this application offers a suite of features to manage invoices, products, expenses, and sales reports. The application consists of six main components:

Features

1. Invoice Management Generate Invoice: Create new invoices for sales transactions. Search Product by ID: Quickly find products by their unique identifiers. Delete Invoice: Remove invoices that are no longer needed. Search Invoice by Invoice Number: Locate invoices using their unique invoice numbers. Sort Invoice: Organize invoices by day, week, month, or year for better tracking and analysis.

2. Product Management Add New Stock to Inventory: Easily add new products to the inventory. Update Previous Stock: Modify existing product details and quantities. Delete Stock from Inventory: Remove products that are no longer available. Real-time Data: Monitor inventory levels in real-time. Low Stock Indicator: Get alerts when stock levels fall below a certain threshold. Search Product by ID: Quickly find products by their unique identifiers.

3. Dashboard Full Sales Report in Graphical Representation: Visualize key business metrics using charts and bar graphs. Key Metrics: Monitor total sales, tax collection, profit and loss, and top-selling products by category (Electronics, Grocery, Clothes). Payment Types in Percentage: Analyze payment methods (Cash and Other). Profit from Delivery and Shopping Bag: Track additional revenue streams. Sort Sales Report by Date: Filter and sort sales data by specific date ranges. Real-time Data via API: Access up-to-date information using API integrations.

4. Expense Management Manage All Business Expenses: Keep track of all expenses incurred by the business. Search Previous Expenses by Receipt ID: Locate expense records using receipt identifiers. Export Expenses to Excel or CSV: Export expense data for further analysis or record-keeping. Real-time Data Updates using REST API: Ensure expense data is always current and accurate. Deployment The Billing App is deployed using an AWS EC2 instance, providing a reliable and scalable environment for demonstration and testing.

//************************************************************************************ Step 1: Prepare Your Project Directory ***Organize Your Project: Ensure your project directory is organized. Typically, your project might look something like this:

/BillingApp ├── client (React frontend) ├── server (Node, Express backend) ├── database (SQL scripts or schema) ├── README.md ├── .gitignore ├── package.json └── ... (other necessary files and directories)

** Create a .gitignore File: This file specifies which files and directories to ignore when committing to GitHub. Here is a sample .gitignore: node_modules/ .env build/ dist/ .DS_Store *.log

Step 2: Initialize a Git Repository **Open Terminal or Command Prompt: Navigate to your project directory: cd /path/to/BillingApp

**Initialize Git: Initialize a new Git repository: git init

**Add Files to the Repository: Add all your files to the repository: git add .

**Commit Your Changes: Commit the files with a message: git commit -m "Initial commit of Billing App"

Step 3: Create a New Repository on GitHub Go to GitHub: Open your browser and go to GitHub.

Create a New Repository:

Click on the + icon in the upper-right corner and select New repository. Name your repository (e.g., BillingApp). Add a description (optional). Choose the repository visibility (public or private). Do not initialize with a README, .gitignore, or license (since you already have these locally). Click Create repository.

Step 4: Push Your Local Repository to GitHub **Copy the Remote URL: After creating the repository, GitHub will provide you with a URL. Copy this URL.

**Add the Remote Repository: In your terminal, add the remote repository: git remote add origin https://github.com/yourusername/BillingApp.git

**Push Your Changes: Push your local repository to GitHub: git push -u origin master

Usage Access the application at http://localhost:3000 for the frontend and http://localhost:5000 for the backend.

Contributing Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

License This project is licensed under the MIT License.