Delete orphan products

Demonstrates how to delete a batch of orphaned products.

Explore further

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

Deleting 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"
)

// purgeOrphanProducts deletes all products not in any product sets.
func purgeOrphanProducts(w io.Writer, projectID string, location string) error {
	// projectID := "your-gcp-project-id"
	// location := "us-west1"

	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.PurgeProductsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
		Target: &visionpb.PurgeProductsRequest_DeleteOrphanProducts{
			DeleteOrphanProducts: true,
		},
		Force: true,
	}

	// The purge operation is async.
	op, err := c.PurgeProducts(ctx, req)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	fmt.Fprintf(w, "Processing operation name: %q\n", op.Name())

	if err := op.Wait(ctx); err != nil {
		return fmt.Errorf("Wait: %w", err)
	}

	fmt.Fprintf(w, "Orphan products deleted.\n")

	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.

import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.vision.v1.BatchOperationMetadata;
import com.google.cloud.vision.v1.LocationName;
import com.google.cloud.vision.v1.ProductSearchClient;
import com.google.cloud.vision.v1.PurgeProductsRequest;
import com.google.protobuf.Empty;
import java.util.concurrent.TimeUnit;

public class PurgeProducts {

  // Delete the product and all its reference images.
  public static void purgeOrphanProducts(String projectId, String computeRegion) throws Exception {

    // String projectId = "YOUR_PROJECT_ID";
    // String computeRegion = "us-central1";
    // boolean force = true;

    try (ProductSearchClient client = ProductSearchClient.create()) {
      String parent = LocationName.format(projectId, computeRegion);

      // The purge operation is async.
      PurgeProductsRequest request =
          PurgeProductsRequest.newBuilder()
              .setDeleteOrphanProducts(true)
              // The operation is irreversible and removes multiple products.
              // The user is required to pass in force=True to actually perform the
              // purge.
              // If force is not set to True, the service raises an exception.
              .setForce(true)
              .setParent(parent)
              .build();

      OperationFuture<Empty, BatchOperationMetadata> response = client.purgeProductsAsync(request);
      response.getPollingFuture().get(180, TimeUnit.SECONDS);

      System.out.println("Orphan products deleted.");
    }
  }
}

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 purgeOrphanProducts() {
  // Deletes all products not in any product sets.

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

  const formattedParent = client.locationPath(projectId, location);

  // The operation is irreversible and removes multiple products.
  // The user is required to pass in force=true to actually perform the purge.
  // If force is not set to True, the service raises an error.
  const force = true;

  try {
    const [operation] = await client.purgeProducts({
      parent: formattedParent,
      deleteOrphanProducts: true,
      force: force,
    });
    await operation.promise();
    console.log('Orphan products deleted.');
  } catch (err) {
    console.log(err);
  }
}
purgeOrphanProducts();

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 purge_orphan_products(project_id, location, force):
    """Delete all products not in any product sets.
    Args:
        project_id: Id of the project.
        location: A compute region name.
    """
    client = vision.ProductSearchClient()

    parent = f"projects/{project_id}/locations/{location}"

    # The purge operation is async.
    operation = client.purge_products(
        request={
            "parent": parent,
            "delete_orphan_products": True,
            # The operation is irreversible and removes multiple products.
            # The user is required to pass in force=True to actually perform the
            # purge.
            # If force is not set to True, the service raises an exception.
            "force": force,
        }
    )

    operation.result(timeout=500)

    print("Orphan products deleted.")

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.