Downloadable.cs

public sealed record DownloadableResource(
    int Id,
    int ProductId,
    string DownloadUrl,
    string DefaultDownloadFilename);

public sealed class ProductHandler2(ResourcesHelper2 _resourcesHelper)
{
    public void DoStuff(Product product)
    {
        var downloadableResource = _resourcesHelper.GetDownloadable(product.Id);
        // do stuff with downloadable resource
    }
}

public sealed class ResourcesHelper2
{
    public DownloadableResource? GetDownloadable(int productId)
    {
        // TODO: go fetch this from the DB or return null...
    }
}