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PoseidonDddApi

.Net Core Web API to perform CRUD operations on a set of objects.

Projects

Project Structure: Domain Driven Design

PoseidonTradeDddApi.Infrastructure

  • Data Access Logic
    • EF Migrations
    • Ef DbContext
  • IdentityServer Configuration and Setup

PoseidonTradeDddApi.Domain

  • Domain Layer
    • Objects specific to the Domain Layer (Entities, Constants)

PoseidonTradeDddApi.Application

  • Application Layer
    • Dependent on Domain Layer
    • Contains all application logic
    • Defines interfaces implemented by outside layers

PoseidonTradeDddApi.Api

  • WebApi project

Comments

DB Access - CQRS

For the DB Access the CQRS pattern is implemented. Each command has it's own input/output entity and is completely independent. Input objects (TRequest) get mapped automatically to entity objects thank's to the use of Automapper.

Mediator

To have the frontend as loosely coupled as possible the MediatR Library is used. Thank's to the ApiController Base Controller the Controllers have zero dependencies.

Middleware

Exception Handling

There's an exception handler middleware (CustomExceptionHandlerMiddleware.cs) which sends specific Return HttpCodes on certain Exceptions.

Request Logging

Each Request to the Backend through MediatR gets logged thank's to the RequestLogger.cs.

Validation

For Each Request to the Backend through MediatR the RequestValidationBehaviour.cs automatically checks if there are validators (FluentValidation) defined for the sent entities, if there are any they get validated.