示例#1
0
        /// <summary>Snippet for Predict</summary>
        public void PredictResourceNames()
        {
            // Snippet: Predict(PlacementName, UserEvent, string, int?, CallSettings)
            // Create client
            PredictionServiceClient predictionServiceClient = PredictionServiceClient.Create();
            // Initialize request argument(s)
            PlacementName name      = PlacementName.FromProjectLocationCatalogEventStorePlacement("[PROJECT]", "[LOCATION]", "[CATALOG]", "[EVENT_STORE]", "[PLACEMENT]");
            UserEvent     userEvent = new UserEvent();
            // Make the request
            PagedEnumerable <PredictResponse, PredictResponse.Types.PredictionResult> response = predictionServiceClient.Predict(name, userEvent);

            // Iterate over all response items, lazily performing RPCs as required
            foreach (PredictResponse.Types.PredictionResult item in response)
            {
                // Do something with each item
                Console.WriteLine(item);
            }

            // Or iterate over pages (of server-defined size), performing one RPC per page
            foreach (PredictResponse page in response.AsRawResponses())
            {
                // Do something with each page of items
                Console.WriteLine("A page of results:");
                foreach (PredictResponse.Types.PredictionResult item in page)
                {
                    // Do something with each item
                    Console.WriteLine(item);
                }
            }

            // Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required
            int pageSize = 10;
            Page <PredictResponse.Types.PredictionResult> singlePage = response.ReadPage(pageSize);

            // Do something with the page of items
            Console.WriteLine($"A page of {pageSize} results (unless it's the final page):");
            foreach (PredictResponse.Types.PredictionResult item in singlePage)
            {
                // Do something with each item
                Console.WriteLine(item);
            }
            // Store the pageToken, for when the next page is required.
            string nextPageToken = singlePage.NextPageToken;
            // End snippet
        }
        public ActionResult <ServiceResponse> Post([Bind("Url")][FromBody] ServiceRequest request)
        {
            // Boilerpipe.net code below
            string html     = "";
            string headline = "";
            string source   = "";
            string text     = "";
            string img      = "";

            try
            {
                if (Uri.IsWellFormedUriString(request.Url, UriKind.Absolute))
                {
                    using (WebClient webClient = new WebClient())
                    {
                        html = webClient.DownloadString(request.Url);
                    }
                    text     = RemoveSpecialCharacters(CommonExtractors.LargestContentExtractor.GetText(html));
                    headline = RemoveSpecialCharacters(Regex.Match(html, @"\<title\b[^>]*\>\s*(?<Title>[\s\S]*?)\</title\>",
                                                                   RegexOptions.IgnoreCase).Groups["Title"].Value);

                    var domainParser = new DomainParser(new WebTldRuleProvider());
                    var domainName   = domainParser.Get(request.Url);
                    source = domainName.RegistrableDomain;

                    img = "http://" + FetchLinksFromSource(html)[0].AbsolutePath;
                }
                else
                {
                    return(BadRequest(new ServiceResponse
                    {
                        Success = false,
                        Error = "Bad URL."
                    }));
                }

                // Google Cloud API code below
                var credential = GoogleCredential.FromJson(ServiceAccountJSON)
                                 .CreateScoped(LanguageServiceClient.DefaultScopes);
                var channel = new Grpc.Core.Channel(
                    AutoMlClient.DefaultEndpoint.ToString(),
                    credential.ToChannelCredentials());
                PredictionServiceClient client = PredictionServiceClient.Create(channel);

                string modelFullId = ModelName.Format("partem-1579924523879", "us-central1", "TCN7494917767758348288");

                PredictRequest predictRequest = new PredictRequest
                {
                    Name    = modelFullId,
                    Payload = new ExamplePayload
                    {
                        TextSnippet = new TextSnippet
                        {
                            Content  = text,
                            MimeType = "text/plain"
                        }
                    }
                };

                PredictResponse response = client.Predict(predictRequest);

                var leftPerc  = response.Payload.First(x => x.DisplayName == "left").Classification.Score;
                var rightPerc = response.Payload.First(x => x.DisplayName == "right").Classification.Score;
                return(Ok(new ServiceResponse
                {
                    LeftPercentage = leftPerc,
                    RightPercentage = rightPerc,
                    CenterPercentage = 1 - Math.Abs(leftPerc - rightPerc),

                    Headline = headline,
                    Source = source,
                    Image = img,

                    Success = true,
                }));
            }
            catch (Exception ex)
            {
                return(BadRequest(new ServiceResponse
                {
                    Success = false,
                    Error = "An error has occured. Please try again later."
                }));
            }
        }