🏗️ Clean Architecture — Notification Service

A production-ready Employee Notification System built with Clean Architecture, Dependency Injection, and Strategy Pattern in .NET 8.

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📐 Architecture

Presentation (WinForms)
        ↓
Application (NotificationManager)
        ↓
Domain (Interfaces + Entities)
        ↑
Infrastructure (Email, SMS, WhatsApp)

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🗂️ Project Structure

Project	Type	Responsibility
CleanArch.Domain	Class Library	Entities & Interfaces
CleanArch.Application	Class Library	Business Logic
CleanArch.Infrastructure	Class Library	Email, SMS, WhatsApp
CleanArchitecture-NotificationService	WinForms App	UI & DI Setup

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✅ Design Patterns Used

• Clean Architecture — Dependency rule strictly followed
• Dependency Injection — Loosely coupled services
• Strategy Pattern — Notification channel at runtime
• SOLID Principles — Especially Open/Closed Principle

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🔔 Notification Channels

Channel	Status
Email	✅ Implemented
SMS	✅ Implemented
WhatsApp	🔜 Ready to plug in

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🚀 How to Run

git clone https://github.com/ITHunters/CleanArchitecture-NotificationService.git

1. Open .sln in Visual Studio 2022
2. Set startup project → CleanArchitecture-NotificationService
3. Press F5

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💡 Adding New Notification Channel

// 1. Infrastructure mein class banao
public class WhatsAppNotification : INotificationService
{
    public string Channel => "WhatsApp";
    public async Task SendAsync(NotificationRequest request) { }
}

// 2. Program.cs mein register karo
services.AddScoped<INotificationService, WhatsAppNotification>();

// Domain ya Application touch nahi karna! ✅

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👨‍💻 Author

Haroon Siddique — @ITHunters