public StormProductManager(IStormConnectionManager connectionManager, IProductBuilder <StormProductItem, StormProduct> productBuilder, IBuyableExtension buyableExtension, IConfiguration configuration)
        {
            _productBuilder    = productBuilder;
            _buyableExtension  = buyableExtension;
            _connectionManager = connectionManager;
            _configuration     = configuration;

            PageSize = Convert.ToInt32(_configuration["Storm:DefaultPageSize"]);
        }
 public ProductBuilder(IBuyableExtension buyableExtension, IConfiguration configuration)
 {
     _buyableExtension = buyableExtension;
     _configuration    = configuration;
 }