QuickBite — Online Food Ordering & Delivery Platform
Group: Capstone Project
|Product Category: Software Engineering & Design
|Sub Category: Object-Oriented Programming (OOP)
Solution Available
Source code, datasets, and other related files for the solution will be provided.
About this Product
Design and build a complete food-delivery domain in pure Python, applying every core OOP concept to a realistic, extensible business system
Business Overview:
The QuickBite capstone challenges you to implement the core ordering domain of an online food-ordering and delivery platform using object-oriented design only. Working from a professional Business Requirements Document, you'll model the full commerce flow — restaurants and menus, customer registration with an in-app wallet, cart management, order pricing, lifecycle state transitions, multiple payment methods, and pluggable delivery and discount strategies. Every business capability maps directly to an OOP construct, so you learn not just how to code the feature but which design principle realizes it. Designed for developers strengthening their object-oriented foundations and preparing for SOLID design.
Project Highlights:
- Complete OOP domain: restaurants, menus, carts, orders, wallets, payments, and delivery
- Strategy-based delivery fees and discounts, addable without modifying existing classes
- Order state machine enforcing valid lifecycle transitions and rejecting illegal ones
- Pure Python 3.10+, no third-party dependencies — runnable as an end-to-end demonstration
Learning Outcomes:
By completing this capstone, you will:
- Model a real business domain using classes, composition, and value objects
- Apply encapsulation, abstraction, inheritance, and polymorphism to concrete requirements
- Design extensible systems with ABCs, Protocols, and the Strategy pattern
- Implement validated state management and a robust order lifecycle
- Use dunder methods, @property, @dataclass, and mixins effectively
Resources
The full QuickBite Business Requirements Document contains the complete, professionally formatted specification for the online food-ordering and delivery domain, ready to read as a reference for the object-oriented design and implementation.
Asset Contents:
- Document control, executive summary, and business objectives
- Project scope with clear in-scope and out-of-scope definitions
- Functional (FR) and non-functional (NFR) requirements
- Key use cases, domain model, and business entities
- OOP design mapping and requirements traceability matrix
Project Mentors
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