product-links.cs

public class ProductResource
{
    public int Id { get; set; }
    public string Name { get; set; }
    public decimal Price { get; set; }
    public string Category { get; set; }
    public int AvailableToPromise { get; set; }

    public Link[] Links => new[]
    {
        new Link(rel: "Self", href: $"/products/{Id}"),
        new Link(rel: "InventoryAdjustment", href: $"/products/{Id}/inventoryadjustment/{Guid.NewGuid()}"),
    };
}