public Task SaveChangesAsync()
{
foreach (var newProduct in NewProductsToAdd)
{
var id = _products.Values.Max(p => p.ID) + 1;
_products[id] = newProduct;
newProduct.ID = id;
}
NewProductsToAdd.Clear();
return(Task.CompletedTask);
}
public void Add(Product product)
{
NewProductsToAdd.Add(product);
}