Merchant API code sample to list programs.
Java
// 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.programs.v1beta;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.shopping.merchant.accounts.v1beta.AccountName;
import com.google.shopping.merchant.accounts.v1beta.ListProgramsRequest;
import com.google.shopping.merchant.accounts.v1beta.Program;
import com.google.shopping.merchant.accounts.v1beta.ProgramsServiceClient;
import com.google.shopping.merchant.accounts.v1beta.ProgramsServiceClient.ListProgramsPagedResponse;
import com.google.shopping.merchant.accounts.v1beta.ProgramsServiceSettings;
import shopping.merchant.samples.utils.Authenticator;
import shopping.merchant.samples.utils.Config;
/**
* This class demonstrates how to list all shopping program resources for a Merchant Center account.
*/
public class ListProgramsSample {
public static void listPrograms(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.
ProgramsServiceSettings programsServiceSettings =
ProgramsServiceSettings.newBuilder()
.setCredentialsProvider(FixedCredentialsProvider.create(credential))
.build();
// Creates parent to identify the account for which to list programs.
String parent = AccountName.of(config.getAccountId().toString()).toString();
// Calls the API and catches and prints any network failures/errors.
try (ProgramsServiceClient programsServiceClient =
ProgramsServiceClient.create(programsServiceSettings)) {
ListProgramsRequest request = ListProgramsRequest.newBuilder().setParent(parent).build();
System.out.println("Sending List Programs request:");
ListProgramsPagedResponse response = programsServiceClient.listPrograms(request);
int count = 0;
// Iterates over all programs in all pages and prints each program.
// Automatically uses the `nextPageToken`, if returned, to fetch all pages.
for (Program program : response.iterateAll()) {
System.out.println(program);
count++;
}
System.out.print("The count of Programs returned: ");
System.out.println(count);
} catch (Exception e) {
System.out.println(e);
}
}
public static void main(String[] args) throws Exception {
Config config = Config.load();
listPrograms(config);
}
}
PHP
<?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\V1beta\Client\ProgramsServiceClient;
use Google\Shopping\Merchant\Accounts\V1beta\ListProgramsRequest;
/**
* This class demonstrates how to list all shopping program resources for a Merchant Center account.
*/
class ListProgramsSample
{
/**
* Lists all programs for the given Merchant Center account.
*
* @param array $config The configuration data for authentication and account ID.
* @return void
*/
public static function listPrograms($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.
$programsServiceClient = new ProgramsServiceClient($options);
// Creates parent to identify the account for which to list programs.
$parent = "accounts/" . $config['accountId'];
// Calls the API and catches and prints any network failures/errors.
try {
$request = new ListProgramsRequest(['parent' => $parent]);
print "Sending List Programs request:\n";
$response = $programsServiceClient->listPrograms($request);
$count = 0;
// Iterates over all programs in all pages and prints each program.
// Automatically uses the `nextPageToken`, if returned, to fetch all pages.
foreach ($response->iterateAllElements() as $program) {
print_r($program);
$count++;
}
print "The count of Programs returned: ";
print $count . "\n";
} catch (ApiException $e) {
print $e->getMessage();
}
}
/**
* Helper to execute the sample.
*
* @return void
*/
public function callSample(): void
{
$config = Config::generateConfig();
self::listPrograms($config);
}
}
// Run the script
$sample = new ListProgramsSample();
$sample->callSample();
Python
# -*- 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 for listing all program resources for a Merchant Center account."""
from examples.authentication import configuration
from examples.authentication import generate_user_credentials
from google.shopping.merchant_accounts_v1beta import ListProgramsRequest
from google.shopping.merchant_accounts_v1beta import ProgramsServiceClient
_ACCOUNT = configuration.Configuration().read_merchant_info()
def list_programs():
"""Lists all program resources for a Merchant Center account."""
# Gets OAuth Credentials.
credentials = generate_user_credentials.main()
# Creates a client.
client = ProgramsServiceClient(credentials=credentials)
# Creates parent to identify the account for which to list programs.
parent = "accounts/" + _ACCOUNT
# Creates the request.
request = ListProgramsRequest(parent=parent)
# Makes the request and catches and prints any error messages.
try:
print("Sending List Programs request:")
response = client.list_programs(request=request)
count = 0
# Iterates over all programs in all pages and prints each program.
for program in response:
print(program)
count += 1
print("The count of Programs returned: ")
print(count)
except RuntimeError as e:
print(e)
if __name__ == "__main__":
list_programs()