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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package shopping.merchant.samples.accounts.homepages.v1;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.shopping.merchant.accounts.v1.ClaimHomepageRequest;
import com.google.shopping.merchant.accounts.v1.Homepage;
import com.google.shopping.merchant.accounts.v1.HomepageName;
import com.google.shopping.merchant.accounts.v1.HomepageServiceClient;
import com.google.shopping.merchant.accounts.v1.HomepageServiceSettings;
import shopping.merchant.samples.utils.Authenticator;
import shopping.merchant.samples.utils.Config;

/** This class demonstrates how to claim the homepage for a given Merchant Center account. */
public class ClaimHomepageSample {

  // Executing this method requires admin access.
  public static void claimHomepage(Config config) throws Exception {

    // Obtains OAuth token based on the user's configuration.
    GoogleCredentials credential = new Authenticator().authenticate();

    // Creates service settings using the credentials retrieved above.
    HomepageServiceSettings homepageServiceSettings =
        HomepageServiceSettings.newBuilder()
            .setCredentialsProvider(FixedCredentialsProvider.create(credential))
            .build();

    // Creates Homepage name to identify Homepage.
    // The name has the format: accounts/{account}/homepage
    String name =
        HomepageName.newBuilder().setAccount(config.getAccountId().toString()).build().toString();

    // Calls the API and catches and prints any network failures/errors.
    try (HomepageServiceClient homepageServiceClient =
        HomepageServiceClient.create(homepageServiceSettings)) {

      ClaimHomepageRequest request = ClaimHomepageRequest.newBuilder().setName(name).build();

      System.out.println("Sending Claim Homepage request:");

      // If the homepage is already claimed, this will recheck the
      // verification (unless the merchant is exempt from claiming, which also
      // exempts from verification) and return a successful response. If ownership
      // can no longer be verified, it will return an error, but it won't lose an existing
      // claim. In case of failure, a canonical error message will be returned:
      //    * PERMISSION_DENIED: user doesn't have the necessary permissions on this
      //    MC account;
      //    * FAILED_PRECONDITION:
      //      - The account is not a Merchant Center account;
      //      - MC account doesn't have a homepage;
      //      - claiming failed (in this case the error message will contain more
      //      details).
      Homepage response = homepageServiceClient.claimHomepage(request);

      System.out.println("Retrieved Homepage below");
      System.out.println(response);
    } catch (Exception e) {
      System.out.println(e);
    }
  }

  public static void main(String[] args) throws Exception {
    Config config = Config.load();

    claimHomepage(config);
  }
}
ClaimHomepageSample.java

<?php
/**
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
require_once __DIR__ . '/../../../../vendor/autoload.php';
require_once __DIR__ . '/../../../Authentication/Authentication.php';
require_once __DIR__ . '/../../../Authentication/Config.php';
use Google\ApiCore\ApiException;
use Google\Shopping\Merchant\Accounts\V1\ClaimHomepageRequest;
use Google\Shopping\Merchant\Accounts\V1\Client\HomepageServiceClient;

/**
 * This class demonstrates how to claim the homepage for a given Merchant Center account.
 */
class ClaimHomepage
{
    /**
     * Claims the homepage for a given Merchant Center account.
     *
     * @param array $config The configuration data for authentication and account ID.
     * @return void
     * @throws ApiException if the API call fails.
     */
    public static function claimHomepageSample(array $config): void
    {
        // Gets the OAuth credentials to make the request.
        $credentials = Authentication::useServiceAccountOrTokenFile();

        // Creates options config containing credentials for the client to use.
        $options = ['credentials' => $credentials];

        // Creates a client.
        $homepageServiceClient = new HomepageServiceClient($options);

        // Creates Homepage name to identify Homepage.
        // The name has the format: accounts/{account}/homepage
        $name = "accounts/" . $config['accountId'] . "/homepage";

        // Calls the API and catches and prints any network failures/errors.
        try {
            $request = new ClaimHomepageRequest(['name' => $name]);

            print "Sending Claim Homepage request:\n";

            $response = $homepageServiceClient->claimHomepage($request);

            print "Retrieved Homepage below\n";
            print_r($response);
        } catch (ApiException $e) {
            print $e->getMessage();
        }
    }

    /**
     * Helper to execute the sample.
     *
     * @return void
     */
    public function callSample(): void
    {
        $config = Config::generateConfig();

        // Makes the call to claim the homepage.
        self::claimHomepageSample($config);
    }
}

// Run the script
$sample = new ClaimHomepage();
$sample->callSample();
ClaimHomepageSample.php

# -*- coding: utf-8 -*-
# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""A module to claim a Homepage."""

from examples.authentication import configuration
from examples.authentication import generate_user_credentials
from google.shopping.merchant_accounts_v1 import ClaimHomepageRequest
from google.shopping.merchant_accounts_v1 import HomepageServiceClient

_ACCOUNT = configuration.Configuration().read_merchant_info()


def claim_homepage():
  """Claims the homepage for a given Merchant Center account."""

  # Gets OAuth Credentials.
  credentials = generate_user_credentials.main()

  # Creates a client.
  client = HomepageServiceClient(credentials=credentials)

  # Creates Homepage name to identify Homepage.
  name = "accounts/" + _ACCOUNT + "/homepage"

  # Creates the request.
  request = ClaimHomepageRequest(name=name)

  # Makes the request and catches and prints any error messages.
  try:
    response = client.claim_homepage(request=request)
    print("Retrieved Homepage below")
    print(response)
  except RuntimeError as e:
    print(e)


if __name__ == "__main__":
  claim_homepage()

claim_homepage_sample.py