Software Development

1. Introduction

1.1 Objective

• Develop software for automatic display of promotional dishes on barista tablets and on cafe monitors to provide discounts.

2. Functional Requirements

2.1 Automatic detection of dish combinations

• Run the script at a specific time.
• Receive a list of promotional dishes as output.

2.2 Display information on the barista tablet

• Send promotional dishes to the barista tablet to provide discounts.

2.3 Display information on cafe monitors

• Send promotional dishes to cafe monitors to inform customers about possible discounts.

2.4 Discount cancellation

• Ability for the barista to cancel the provided discount through the tablet interface.
• Update information on cafe monitors after discount cancellation.
• Check triggers for discount cancellation.

3. Technical Requirements

3.1 Technologies and Tools

• Programming language: Python
• Development framework: Flask or Django or FastAPI
• Libraries for working with APIs: requests

4. Interface

4.1 Barista tablet

• Display a list of dishes eligible for discounts.
• Button to cancel the discount.

4.2 Cafe monitors

• Display information about the dish combination eligible for a discount.

5 Documentation

• Develop documentation describing functionality, installation and configuration instructions, as well as usage examples.