The Countries 🌎

📝 Table of Contents

• Preview
• About
• Features
• Architecture
• Technical Details
• Project Structure
• Requirements
• Installation
• Usage
• Testing
• Design Patterns
• Contributing
• License
• Authors
• Acknowledgments

📱 Preview

🔍 About

The Countries is a sophisticated iOS application demonstrating advanced software architecture, concurrent programming, and modern iOS development practices. Built with Clean Architecture principles, the app showcases enterprise-level architecture decisions, robust error handling, and efficient resource management.

🌟 Features

• 🔍 Display and manage countries list (max 5)
• 🔎 Advanced country search functionality
• 📍 Location-based country detection
• 💾 Offline support with sophisticated caching
• ⚡ Swipe-to-delete functionality
• 🎨 Clean and responsive UI

🏗 Architecture

Implements Clean Architecture with three distinct modules:

Core Module (Domain Layer)

• Domain Models with thread-safety
• Use Cases with caching strategies
• Location Services with actor isolation
• Repository Interfaces with error handling

Data Module (Infrastructure Layer)

• Custom URLSession networking stack
• Thread-safe local storage using actors
• Repository implementation with caching
• Comprehensive error handling

Presentation Module (UI Layer)

• MVVM architecture with SwiftUI
• Reactive UI with Combine
• Thread-safe operations
• Type-safe navigation

🔧 Technical Details

Concurrency & Thread Safety

• Actor-based isolation
• async/await implementation
• MainActor annotations
• Race condition prevention

Memory Management

• Resource cleanup protocols
• Cache eviction policies
• Memory leak prevention
• Reference cycle handling

Error Handling

• Comprehensive error types
• Recovery mechanisms
• Logging infrastructure
• User-friendly presentation

📁 Project Structure

TheCountries/
├── Core/                # Domain Layer
├── Data/                # Data Layer
├── Presentation/        # UI Layer
└── TheCountries/        # Main App

📋 Requirements

• iOS 16.0+
• Xcode 15.0+
• Swift 6.0

🔨 Installation

1. Clone the repository

git clone https://github.com/yourusername/TheCountries.git

2. Open the project in Xcode

cd TheCountries
open TheCountries.xcodeproj

3. Build and run the project

🎯 Usage

1. Launch the app
2. Browse available countries
3. Search for specific countries
4. View country details
5. Enable location services for local detection

✅ Testing

Comprehensive test coverage including:

• Unit Tests

Run tests using:

xcodebuild test -scheme TheCountries -destination 'platform=iOS Simulator,name=iPhone 15'

📐 Design Patterns

• Clean Architecture
• MVVM
• Repository Pattern
• Coordinator Pattern
• Factory Pattern
• Observer Pattern

🤝 Contributing

1. Fork the Project
2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
3. Commit your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

📝 License

This project is licensed under the MIT License - see the LICENSE file for details

✍ Authors

• @mohammed-salah-zidane - Initial work

🎉 Acknowledgments

• Hat tip to anyone whose code was used
• Inspiration
• References