Restaurant POS Desktop Application

A complete Point of Sale desktop application for a small restaurant, built with Python and CustomTkinter.

Features

• Offline Support: Uses SQLite, ensuring instant startup and full offline capability.
• Daily Reset Logic: Automatically clears bills and customer records at the start of a new day, while preserving settings and menus.
• Menu Management: Add, update, and remove menu items dynamically.
• Billing System: Select items, specify quantities, and automatically calculate subtotals and grand totals.
• PDF Receipts: Professional receipt generation using ReportLab.
• History Tracking: View today's past bills and reprint receipts at any time.

Requirements

• Python 3.x
• Dependencies listed in requirements.txt

Installation

1. Open a terminal in the project directory.
2. Install the required dependencies:

   pip install -r requirements.txt

3. Run the application:

   python main.py

Folder Structure

• assets/logos/: Stores the uploaded restaurant logo.
• receipts/: Contains automatically generated PDF receipts.
• sql/: Contains the SQLite database schema (restaurant_pos.sql).
• restaurant.db: The SQLite database file (created automatically on first run).