src/main/java/context/CheckoutContext.java - master - DevDenzo/ShoppingCart

src/main/java/context/CheckoutContext.java

36 строк966 B

Denis Sklyarskij

создаем класс промежуточных данных

22 дек 2025, 21:49

22 дек 2025, 21:49a34897a

package main.java.context;

import main.java.checkout.dto.Response;
import main.java.checkout.step.CheckoutStep;
import main.java.model.Cart;
import main.java.model.User;

import java.util.List;
import java.util.concurrent.CompletableFuture;

public class CheckoutContext {
    private final List<CheckoutStep> steps;

    public CheckoutContext(List<CheckoutStep> steps) {
        this.steps = steps;
    }

    public CompletableFuture<Response> run(User user, Cart cart) {
        CompletableFuture<Response> result = CompletableFuture.completedFuture(null);

        for (CheckoutStep step: steps) {
            result = result.thenCompose(response -> {
                if (response != null) {
                    return CompletableFuture.completedFuture(response);
                }
                return step.execute(user, cart);
            });
        }

        return result;
    }

    public List<CheckoutStep> getSteps() {
        return steps;
    }
}