Practical Application Architecture with Entity Framework Core

Learn how to choose an application architecture to use with Entity Framework Core for several different scenarios.

Introduction

• Welcome
• What you need to know
• What is good application architecture?
• How to use the exercise files

1. Why Do All of This Architecture?

• Real-world software and the SDLC
• Multi-layer applications
• Multiple applications and tiers
• Common knowledge and maintenance
• Choosing an architecture

2. Design Patterns with EF

• Data access layer
• Repository
• Unit of work
• Inversion of control
• Queryable
• DTOs
• Command query

3. Error Handling

• Matching the model to the data
• Debugging errors
• DbUpdateException
• Concurrency handling

4. Architecture for the Web with ASP.NET

• Scoping and memory usage
• Caching
• Validating data
• View model mapping

5. Designing for Unit Testing

• Decoupling
• InMemory database provider
• Mocking objects
• Testing business logic in queries
• Common testing mistakes

6. Entity Framework Mistakes

• Data models everywhere
• Unnecessary layers
• Poor performance

Conclusion

• Next steps