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public record QuickOrderCommand(Sku Sku, int Quantity, Version Version); | |
public class QuickOrderHandler : IRequestHandler<QuickOrderCommand> | |
{ | |
private readonly ICatalogService _catalogService; | |
private readonly IWarehouseService _warehouseService; | |
private readonly IOrderRepository _orderRepository; | |
public QuickOrderHandler(ICatalogService catalogService, | |
IWarehouseService warehouseService, IOrderRepository orderRepository) | |
{ | |
_catalogService = catalogService; | |
_warehouseService = warehouseService; | |
_orderRepository = orderRepository; | |
} | |
public async Task Handle(QuickOrderCommand request) | |
{ | |
if (await _warehouseService.QuantityOnHand(request.Sku) <= 0) | |
{ | |
throw new InvalidOperationException("Product has no quantity on hand."); | |
} | |
var price = await _catalogService.Price(request.Sku); | |
var quickOrder = new QuickOrder(request.Sku, price); | |
_orderRepository.Save(quickOrder); | |
} | |
} |
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