Validating data using ClearScript/V8 and JavaScript in the WebAPI

gistfile1.txt

                using (var engine = new V8ScriptEngine())
                {
                    var settings = GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings;
                    var jsonBook = JsonConvert.SerializeObject(newBook, settings);
                    engine.Execute("var book = " + jsonBook);

                    var path = HttpContext.Current.Server.MapPath(@"~\App\ValidateBook.js");
                    engine.Execute(File.ReadAllText(path));
                    var result = engine.Evaluate("validateBook(book)") as string;

                    if (!string.IsNullOrEmpty(result))
                    {
                        return Request.CreateResponse(HttpStatusCode.NotAcceptable, result);
                    }
                }