Sales Cashregister

Abstract

1. Introduction

Buttonpages changeable from 1 until 8 pages with 23 buttons per page.

Productbuttons as administrator clickable for text and color change.

Extended system for purchasing and deliveries with invoices module.

2. Objective

Cash Register Version 2.0 with barcode logon and to 8 buttongroups with each 23 programmable product buttons and equipped with inventory management system

This project demonstrates how Python, PostgreSQL can be applied to a real-world Full Stack Web Development problem.

4. Technology Stack

5. System Requirements

General requirements for this technology stack — check the README for exact versions.

• Python 3.8 or later
• pip / virtualenv for dependencies
• VS Code, PyCharm or Jupyter Notebook
• Git (to clone the repository)

6. Installation & Setup

git clone https://github.com/DirkJanJansen/Sales-Cashregister.git
cd Sales-Cashregister

Full setup instructions are in the project README.

7. Future Enhancements

Suggested extensions you can add to make this your own project.

• Add role-based access control
• Deploy on a VPS or cPanel hosting with a custom domain
• Add automated tests and a CI pipeline

8. Viva / Review Questions

Common questions examiners ask for projects in this domain.

1. Explain the frontend, backend and database layers of this application.
2. How is user authentication and authorisation implemented?
3. Describe the main database tables / collections and their relationships.
4. Which REST APIs or routes are exposed and what do they return?
5. How would you deploy this application to production?

9. Source Code & License

This project is developed by DirkJanJansen and published on GitHub under the GNU General Public License v3.0. Please follow the license terms and credit the original author when you use or modify this code.