public IEnumerable <IResult> Handle(CreateProduct request, IApplicationState state)
{
var guid = state.Query(NextGuid.Instance);
var now = state.Query(CurrentTime.Instance);
var id = new ProductId(guid);
var product = new Product(id, request.Sku, now);
yield return(InsertOne(db => db.Products, id, product));
yield return(Publish(ProductCreated.Topic, new ProductCreated(id)));
}
public async IAsyncEnumerable <IResult> HandleAsync(AddToBasket request, IApplicationState state)
{
var id = state.Query(NextGuid.Instance);
var now = state.Query(CurrentTime.Instance);
yield return(this.LogDebug("Starting request {RequestId} at time {Timestamp}", id, now));
var basket = await state.QueryAsync(new BasketById(request.Id));
if (basket is null)
{
yield return(NotFound(request.Id));
yield break;
}
yield return(UpdateOne(db => db.Baskets, request.Id, e => e with
{
Products = e.Products.Add(request.Product)
}));