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Clean architecture in UML

hunchboard

Use cases, ports and adapters as a class diagram, with the arrows pointing the right way.

Comments

    What is on this board

    Parts

    • OrderController Class
    • PlaceOrder Class
    • Order Class
    • OrderItem Class
    • Money Class
    • OrderStatus Enum
    • OrderRepository Interface
    • PaymentGateway Interface
    • PgOrderRepository Class
    • StripeGateway Class
    • orders DB table

    How they connect

    • OrderController → PlaceOrder: calls
    • PlaceOrder → OrderRepository: uses
    • PlaceOrder → PaymentGateway: uses
    • PlaceOrder → Order: creates
    • Order → OrderItem: has
    • PgOrderRepository → orders: writes

    Notes and decisions

    • Everything points inward: the domain knows nothing about Postgres or Stripe.