كيفية استخدام Flows مع واجهة برمجة التطبيقات Google Vision وGoogle Cloud Functions

{
  "name": "sample-http",
  "version": "0.0.1",
  "dependencies": {
  "@google-cloud/vision": "^1.11.0"
  }
 }

/**
 * Responds to any HTTP request.
 *
 * @param {!express:Request} req HTTP request context.
 * @param {!express:Response} res HTTP response context.
 */
 exports.helloWorld = (request, response) => {
  var url = request.query.url || request.body.url;
  if (url == null || url == "" ) {
  response.status(400).json({ error: "Must include a 'url' query parameter." });
  }
  
  
  getImageLabels(url)
  .then(labels => {
  // You can use 'console.log(labels);' command to check labels you got
  // We filter all labels if they contain "hot dog" in label description
  // And have a score > 0.6, which mean that VisionAPI is at least 60% sure that there is a hotdog on a picture
  labels = labels.filter(function(label) {
  return label.description.toLowerCase().includes("hot dog") && label.score > 0.6;
  });
  
  // If labels array contains at least 1 element, then we found a hot-dog!
  if (labels.length > 0) {
  response.status(200).json({isHotDog: true, error: ""});
  } else {
  response.status(200).json({isHotDog: false, error: ""});
  }
  })
  .catch(err => {
  response.status(500).json({ error: err });
  });
 };
  
 async function getImageLabels(imageUrl) {
  // Imports the Google Cloud client library
  const vision = require('@google-cloud/vision');
  // Creates a client
  const client = new vision.ImageAnnotatorClient();
  // Performs label detection on the image file
  const [result] = await client.labelDetection(imageUrl);
  const labels = result.labelAnnotations;
  return labels
 }