public static IActionResult GetProductReviews([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "reviews/{productId}")] HttpRequest request, string productId)
        {
            var productReviews = repository.FindProductReviews(productId);

            if (productReviews == null)
            {
                return(new NotFoundResult());
            }

            return(new OkObjectResult(productReviews.Reviews));
        }