Prepaid Point-of-Sale

A robust point-of-sale system built with Tauri and a React frontend, designed to run on Windows machines. It features frontend and backend validation, along with unit and integration tests to ensure stability during real-world use.

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📌 Use Case

Funds are:

• Sent via reports by the accounting office
• Parsed into the system
• Made available for purchases once processed

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🛠️ Technical Overview

• Architecture: Follows the Clean Architecture model for modular, decoupled design that simplifies testing and future changes.
• Database:
  • Persistent storage: rusqlite (SQLite)
  • Legacy migration: via ODBC connection to Microsoft Access
• PDF Generation: Uses lopdf to produce printable receipts
• Platform: Built for offline-first use on Windows machines

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✅ Key Features

• Fully offline-capable desktop app
• Receipt printing and financial reporting
• Cleanly separated domains (UI, logic, persistence, integration)
• Built with testability and long-term maintainability in mind