Applications C# .NET
pour PME & ETI

public class OrderService : IOrderService
{
    private readonly IOrderRepository _repository;
    private readonly IPaymentService _payment;
    private readonly ILogger<OrderService> _logger;

    public OrderService(
        IOrderRepository repository,
        IPaymentService payment,
        ILogger<OrderService> logger)
    {
        _repository = repository;
        _payment = payment;
        _logger = logger;
    }

    public async Task<Result<Order>> CreateAsync(
        CreateOrderCommand command,
        CancellationToken ct)
    {
        // Validation métier
        var validation = command.Validate();
        if (!validation.IsValid)
            return Result.Failure(validation.Errors);

        // Traitement du paiement
        var paymentResult = await _payment
            .ProcessAsync(command.Payment, ct);

        if (paymentResult.IsFailed)
        {
            _logger.LogWarning("Payment failed");
            return paymentResult.ToResult();
        }

        // Création de la commande
        var order = Order.Create(command);
        await _repository.AddAsync(order, ct);

        _logger.LogInformation(
            "Order {OrderId} created",
            order.Id);

        return Result.Success(order);
    }
}