Merchant API Code Sample to List Account Issues Asynchronously
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.accountissues.v1beta;
import static com.google.api.core.ApiFutures.transform;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutureCallback;
import com.google.api.core.ApiFutures;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.shopping.merchant.accounts.v1beta.AccountIssueServiceClient;
import com.google.shopping.merchant.accounts.v1beta.AccountIssueServiceSettings;
import com.google.shopping.merchant.accounts.v1beta.AccountName;
import com.google.shopping.merchant.accounts.v1beta.AccountsServiceClient;
import com.google.shopping.merchant.accounts.v1beta.AccountsServiceClient.ListSubAccountsPagedResponse;
import com.google.shopping.merchant.accounts.v1beta.AccountsServiceSettings;
import com.google.shopping.merchant.accounts.v1beta.ListAccountIssuesRequest;
import com.google.shopping.merchant.accounts.v1beta.ListAccountIssuesResponse;
import com.google.shopping.merchant.accounts.v1beta.ListSubAccountsRequest;
import java.io.IOException;
import java.util.AbstractMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.Executor;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import shopping.merchant.samples.utils.Authenticator;
import shopping.merchant.samples.utils.Config;
/** This class demonstrates how to list the account issues of all the sub-accounts of an MCA. */
public class ListMcaAccountIssuesAsyncSample {
/** Returns the list of issues for the given account. */
private static ApiFuture<ListAccountIssuesResponse> getAccountIssues(
AccountIssueServiceClient accountIssueServiceClient, String account) {
return accountIssueServiceClient
.listAccountIssuesCallable()
.futureCall(ListAccountIssuesRequest.newBuilder().setParent(account).build());
}
/**
* Returns a map of account issues where key is the sub-account resource name and the value is the
* list of issues for each sub-account. Takes the API clients and the name of the MCA as input.
*/
private static ApiFuture<Map<String, ListAccountIssuesResponse>> getSubAccountIssues(
AccountsServiceClient accountsServiceClient,
AccountIssueServiceClient accountIssueServiceClient,
String mca)
throws IOException {
// Creates a direct executor to run the transform functions.
Executor executor = MoreExecutors.directExecutor();
// The parent has the format: accounts/{account}
ListSubAccountsRequest request = ListSubAccountsRequest.newBuilder().setProvider(mca).build();
System.out.println("Sending list subaccounts request:");
// Lists all sub-accounts of the MCA.
ListSubAccountsPagedResponse listSubAccountsResponse =
accountsServiceClient.listSubAccounts(request);
// Iterates over all subAccounts and lists account issues for each.
// Automatically uses the `nextPageToken` if returned to fetch all pages of data.
List<ApiFuture<AbstractMap.SimpleEntry<String, ListAccountIssuesResponse>>>
accountIssuesFutures =
StreamSupport.stream(listSubAccountsResponse.iterateAll().spliterator(), false)
.map(
account ->
transform(
getAccountIssues(accountIssueServiceClient, account.getName()),
(ListAccountIssuesResponse response) ->
new AbstractMap.SimpleEntry<>(account.getName(), response),
executor))
.collect(Collectors.toList());
// Collects all the responses into a single future.
ApiFuture<List<AbstractMap.SimpleEntry<String, ListAccountIssuesResponse>>> accountIssuesList =
ApiFutures.allAsList(accountIssuesFutures);
// Transforms the list of responses into a map.
return transform(
accountIssuesList,
(List<AbstractMap.SimpleEntry<String, ListAccountIssuesResponse>> list) ->
list.stream()
.collect(
Collectors.toMap(
AbstractMap.SimpleEntry::getKey,
AbstractMap.SimpleEntry::getValue,
(a, b) -> a)),
executor);
}
public static void listAccountIssues(Config config) throws Exception {
// Obtains OAuth token based on the user's configuration.
GoogleCredentials credential = new Authenticator().authenticate();
// Gets the account ID from the config file.
// Make sure to use the MCA ID here, otherwise the API will return an error.
String accountId = config.getAccountId().toString();
// Creates account name to identify account.
String parent = AccountName.newBuilder().setAccount(accountId).build().toString();
// Creates service settings using the credentials retrieved above.
AccountsServiceSettings accountsServiceSettings =
AccountsServiceSettings.newBuilder()
.setCredentialsProvider(FixedCredentialsProvider.create(credential))
.build();
// Creates service settings using the credentials retrieved above.
AccountIssueServiceSettings accountIssueServiceSettings =
AccountIssueServiceSettings.newBuilder()
.setCredentialsProvider(FixedCredentialsProvider.create(credential))
.build();
// Calls the API and catches and prints any network failures/errors.
try (AccountsServiceClient accountsServiceClient =
AccountsServiceClient.create(accountsServiceSettings);
AccountIssueServiceClient accountIssueServiceClient =
AccountIssueServiceClient.create(accountIssueServiceSettings)) {
ApiFuture<Map<String, ListAccountIssuesResponse>> subAccountIssues =
getSubAccountIssues(accountsServiceClient, accountIssueServiceClient, parent);
ApiFutures.addCallback(
subAccountIssues,
new ApiFutureCallback<Map<String, ListAccountIssuesResponse>>() {
@Override
public void onSuccess(Map<String, ListAccountIssuesResponse> results) {
System.out.println("Account Issues");
for (Entry<String, ListAccountIssuesResponse> entry : results.entrySet()) {
System.out.println("Issues for account " + entry.getKey());
System.out.println(entry.getValue());
}
}
@Override
public void onFailure(Throwable throwable) {
System.out.println(throwable);
}
},
MoreExecutors.directExecutor());
} catch (Exception e) {
System.out.println("An error has occured: ");
System.out.println(e);
}
}
public static void main(String[] args) throws Exception {
Config config = Config.load();
listAccountIssues(config);
}
}