public Task <IStorableProduct> CreateAsync(IStorableProduct storableProduct) { InternalContract.RequireNotNull(storableProduct, nameof(storableProduct)); InternalContract.RequireValidated(storableProduct, nameof(storableProduct)); ThrowConflictIfProductWithIdExists(storableProduct.Id); return(Task.FromResult(storableProduct)); }
public Task <IStorableProduct> UpdateAsync(IStorableProduct storableProduct) { InternalContract.RequireNotNull(storableProduct, nameof(storableProduct)); InternalContract.RequireValidated(storableProduct, nameof(storableProduct)); GetProductOrThrowNotFound(storableProduct.Id); return(Task.FromResult(storableProduct)); }