Completed
NO SEPARATION OF CONCERNS
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Classroom Contents
An Opinionated, Maintainable REST API Architecture for ASP.NET Core
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- 1 Intro
- 2 SETTING THE STAGE "We need a new SPA "We need a new REST API
- 3 ZERO TO "MAKE MAGIC HAPPEN"
- 4 THE EMPLOYEE OBJECT • Is part of payroll software • Contains sensitive data (SSN)
- 5 A WILD EmployeesController APPEARED
- 6 The reality SCAFFOLDING IS A LIE
- 7 Route the request Validate Run service for request Return data
- 8 NO SEPARATION OF CONCERNS
- 9 CONTROLLER SHOULD ONLY Route the request Return data
- 10 CQRS Command Query Responsibility Segregation
- 11 Problem? ENTITY BEING USED FOR REQUESTS MODEL/MODEL VALIDATION ARE NOT SEPARATE
- 12 SEPARATE ENTITY FROM MODEL So let's refactor
- 13 SEPARATE VALIDATION FROM MODEL INTRODUCING FLUENT VALIDATION
- 14 ISOLATE VALIDATION FUNCTIONALITY
- 15 SEPARATE REQUEST HANDLER FROM CONTROLLER INTRODUCING MEDIATR
- 16 PUTTING IT ALL TOGETHER 1. Dependency injection handles... dependencies 2. Mediat will handle request/responses 3. Controller will route HTTP requests
- 17 USE BETTER DI CONTAINER INTRODUCING AUTOFAC
- 18 USE AUTOFAC TO • Scan assemblies for services/validators • Add them to service pipeline
- 19 TIPS
- 20 CREATE REPEATABLE PATTERNS more complete example
- 21 WRITE TESTS FOR EVERYTHING
- 22 KEEP VERSIONS SEPARATE
- 23 CONCERNS May be unnecessary complexity • Bigger learning curve
