List products

Retrieves a list of existing products.

Explore further

For detailed documentation that includes this code sample, see the following:

Getting and listing resources

Code sample

Go

To learn how to install and use the client library for Vision API Product Search, see Vision API Product Search client libraries. For more information, see the Vision API Product Search Go API reference documentation.

To authenticate to Vision API Product Search, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.


import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"cloud.google.com/go/vision/v2/apiv1/visionpb"
	"google.golang.org/api/iterator"
)

// listProducts lists products.
func listProducts(w io.Writer, projectID string, location string) error {
	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.ListProductsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
	}

	it := c.ListProducts(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("Next: %w", err)
		}

		fmt.Fprintf(w, "Product name: %s\n", resp.Name)
		fmt.Fprintf(w, "Product display name: %s\n", resp.DisplayName)
		fmt.Fprintf(w, "Product category: %s\n", resp.ProductCategory)
		fmt.Fprintf(w, "Product labels: %s\n", resp.ProductLabels)
	}

	return nil
}

Java

To authenticate to Vision API Product Search, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

/**
 * List all products.
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @throws IOException - on I/O errors.
 */
public static void listProducts(String projectId, String computeRegion) throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {

    // A resource that represents Google Cloud Platform location.
    String formattedParent = LocationName.format(projectId, computeRegion);

    // List all the products available in the region.
    for (Product product : client.listProducts(formattedParent).iterateAll()) {
      // Display the product information
      System.out.println(String.format("\nProduct name: %s", product.getName()));
      System.out.println(
          String.format(
              "Product id: %s",
              product.getName().substring(product.getName().lastIndexOf('/') + 1)));
      System.out.println(String.format("Product display name: %s", product.getDisplayName()));
      System.out.println(String.format("Product category: %s", product.getProductCategory()));
      System.out.println("Product labels:");
      System.out.println(
          String.format("Product labels: %s", product.getProductLabelsList().toString()));
    }
  }
}

Node.js

To authenticate to Vision API Product Search, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

// Imports the Google Cloud client library
const vision = require('@google-cloud/vision');

// Creates a client
const client = new vision.ProductSearchClient();

async function listProducts() {
  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const projectId = 'Your Google Cloud project Id';
  // const location = 'A compute region name';

  // Resource path that represents Google Cloud Platform location.
  const locationPath = client.locationPath(projectId, location);

  const [products] = await client.listProducts({parent: locationPath});
  products.forEach(product => {
    console.log(`Product name: ${product.name}`);
    console.log(`Product id: ${product.name.split('/').pop()}`);
    console.log(`Product display name: ${product.displayName}`);
    console.log(`Product description: ${product.description}`);
    console.log(`Product category: ${product.productCategory}`);
    if (product.productLabels.length) {
      console.log('Product labels:');
      product.productLabels.forEach(productLabel => {
        console.log(`${productLabel.key}: ${productLabel.value}`);
      });
    }
  });
}
listProducts();

Python

To authenticate to Vision API Product Search, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

from google.cloud import vision
from google.protobuf import field_mask_pb2 as field_mask

def list_products(project_id, location):
    """List all products.
    Args:
        project_id: Id of the project.
        location: A compute region name.
    """
    client = vision.ProductSearchClient()

    # A resource that represents Google Cloud Platform location.
    location_path = f"projects/{project_id}/locations/{location}"

    # List all the products available in the region.
    products = client.list_products(parent=location_path)

    # Display the product information.
    for product in products:
        print(f"Product name: {product.name}")
        print("Product id: {}".format(product.name.split("/")[-1]))
        print(f"Product display name: {product.display_name}")
        print(f"Product description: {product.description}")
        print(f"Product category: {product.product_category}")
        print(f"Product labels: {product.product_labels}\n")

What's next

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