stevsharp/MVVMCleanArchitecture

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🧱 WPF Clean Architecture - Master Detail App

This project is a modern WPF desktop application using Clean Architecture principles. It showcases a basic Customer–Order master-detail interface with proper layering, validation, and MVVM patterns.

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✨ Features

• ✅ 4-Tier Clean Architecture:

  • Domain: Entities, Interfaces
  • Application: DTOs, Services, Validators
  • Infrastructure: EF Core (SQLite), Mappings, DbContext
  • UI: WPF (MVVM), CommunityToolkit.Mvvm

• 🧩 Master-Detail pattern: Customers and their Orders

• 📦 SQLite with DbContextFactory (safe for DI + design-time)

• 🧪 FluentValidation for input rules

• 💡 RelayCommand + ObservableObject via CommunityToolkit

• 🪟 Dialogs for Add/Edit Customers

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🛠️ Tech Stack

• .NET 9.0
• WPF (.NET Desktop)
• Entity Framework Core
• SQLite
• CommunityToolkit.Mvvm
• FluentValidation

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🚀 Getting Started

1. Clone the repo

git clone https://github.com/your-username/WpfAppCleanArchitecture.git
cd WpfAppCleanArchitecture
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2. Run EF Core migration (once)
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bash

dotnet ef migrations add InitialCreate -s WpfAppCleanArchitecture
dotnet ef database update -s WpfAppCleanArchitecture
If dotnet ef is not recognized, run: dotnet tool install --global dotnet-ef

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3. Run the app
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dotnet run --project WpfAppCleanArchitecture
📂 Project Structure

WpfAppCleanArchitecture/
│
├── Domain/                  # Entities, Interfaces
├── Application/             # DTOs, Services, Validators
├── Infrastructure/          # EF Core, SQLite, Mappings
├── UI/                      # WPF views, ViewModels
│   ├── Views/
│   └── ViewModels/
├── Dialogs/                 # WPF modal dialogs
├── appsettings.json         # Connection string
└── Program.cs               # Host builder, DI setup
✍️ Example: Add Customer
Opens a dialog with CustomerDialogViewModel

Validates Name field (required, length)

Saves to database and updates ObservableCollection