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// Copyright 2012 Google Inc. All Rights Reserved.

//

// 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.

package adwords.axis.v201302.accountmanagement;

import com.google.api.ads.adwords.axis.factory.AdWordsServices;

import com.google.api.ads.adwords.axis.v201302.ch.AdGroupChangeData;

import com.google.api.ads.adwords.axis.v201302.ch.CampaignChangeData;

import com.google.api.ads.adwords.axis.v201302.ch.ChangeStatus;

import com.google.api.ads.adwords.axis.v201302.ch.CustomerChangeData;

import com.google.api.ads.adwords.axis.v201302.ch.CustomerSyncSelector;

import com.google.api.ads.adwords.axis.v201302.ch.CustomerSyncServiceInterface;

import com.google.api.ads.adwords.axis.v201302.cm.Campaign;

import com.google.api.ads.adwords.axis.v201302.cm.CampaignPage;

import com.google.api.ads.adwords.axis.v201302.cm.CampaignServiceInterface;

import com.google.api.ads.adwords.axis.v201302.cm.DateTimeRange;

import com.google.api.ads.adwords.axis.v201302.cm.Selector;

import com.google.api.ads.adwords.lib.client.AdWordsSession;

import com.google.api.ads.common.lib.auth.OfflineCredentials;

import com.google.api.ads.common.lib.auth.OfflineCredentials.Api;

import com.google.api.client.auth.oauth2.Credential;

import org.apache.commons.lang.ArrayUtils;

import org.apache.commons.lang.StringUtils;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Date;

import java.util.List;

/**

 * This example gets the changes in the account during the last 24 hours.

 *

 * Tags: CustomerSyncService.get

 *

 * @author Kevin Winter

 */

public class GetAccountChanges {

  public static void main(String[] args) throws Exception {

    // Generate a refreshable OAuth2 credential similar to a ClientLogin token

    // and can be used in place of a service account.

    Credential oAuth2Credential = new OfflineCredentials.Builder()

        .forApi(Api.ADWORDS)

        .fromFile()

        .build()

        .generateCredential();

    // Construct an AdWordsSession.

    AdWordsSession session = new AdWordsSession.Builder()

        .fromFile()

        .withOAuth2Credential(oAuth2Credential)

        .build();

    AdWordsServices adWordsServices = new AdWordsServices();

    runExample(adWordsServices, session);

  }

  public static void runExample(AdWordsServices adWordsServices, AdWordsSession session)

      throws Exception {

    // Get the CampaignService.

    CampaignServiceInterface campaignService =

        adWordsServices.get(session, CampaignServiceInterface.class);

    // Get the CustomerSyncService.

    CustomerSyncServiceInterface customerSyncService =

        adWordsServices.get(session, CustomerSyncServiceInterface.class);

    // Get a list of all campaign IDs.

    List<Long> campaignIds = new ArrayList<Long>();

    Selector selector = new Selector();

    selector.setFields(new String[] {"Id"});

    CampaignPage campaigns = campaignService.get(selector);

    if (campaigns.getEntries() != null) {

      for (Campaign campaign : campaigns.getEntries()) {

        campaignIds.add(campaign.getId());

      }

    }

    // Create date time range for the past 24 hours.

    DateTimeRange dateTimeRange = new DateTimeRange();

    dateTimeRange.setMin(new SimpleDateFormat("yyyyMMdd HHmmss").format(new Date(System

        .currentTimeMillis() - 1000L * 60 * 60 * 24)));

    dateTimeRange.setMax(new SimpleDateFormat("yyyyMMdd HHmmss").format(new Date()));

    // Create selector.

    CustomerSyncSelector customerSyncSelector = new CustomerSyncSelector();

    customerSyncSelector.setDateTimeRange(dateTimeRange);

    customerSyncSelector

        .setCampaignIds(ArrayUtils.toPrimitive(campaignIds.toArray(new Long[] {})));

    // Get all account changes for campaign.

    CustomerChangeData accountChanges = customerSyncService.get(customerSyncSelector);

    // Display changes.

    if (accountChanges != null && accountChanges.getChangedCampaigns() != null) {

      System.out.println("Most recent change: "

          + accountChanges.getLastChangeTimestamp() + "\n");

      for (CampaignChangeData campaignChanges : accountChanges.getChangedCampaigns()) {

        System.out.println("Campaign with id \"" + campaignChanges.getCampaignId()

            + "\" was changed: ");

        System.out.println("\tCampaign changed status: "

            + campaignChanges.getCampaignChangeStatus());

        if (campaignChanges.getCampaignChangeStatus() != ChangeStatus.NEW) {

          System.out.println("\tAdded ad extensions: "

              + getFormattedList(campaignChanges.getAddedAdExtensions()));

          System.out.println("\tAdded campaign criteria: "

              + getFormattedList(campaignChanges.getAddedCampaignCriteria()));

          System.out.println("\tAdded campaign targeting: "

              + campaignChanges.getCampaignTargetingChanged());

          System.out.println("\tDeleted ad extensions: "

              + getFormattedList(campaignChanges.getDeletedAdExtensions()));

          System.out.println("\tDeleted campaign criteria: "

              + getFormattedList(campaignChanges.getDeletedCampaignCriteria()));

          if (campaignChanges.getChangedAdGroups() != null) {

            for (AdGroupChangeData adGroupChanges : campaignChanges.getChangedAdGroups()) {

              System.out.println("\tAd goup with id \"" + adGroupChanges.getAdGroupId()

                  + "\" was changed: ");

              System.out.println("\t\tAd goup changed status: "

                  + adGroupChanges.getAdGroupChangeStatus());

              if (adGroupChanges.getAdGroupChangeStatus() != ChangeStatus.NEW) {

                System.out.println("\t\tAds changed: "

                    + getFormattedList(adGroupChanges.getChangedAds()));

                System.out.println("\t\tCriteria changed: "

                    + getFormattedList(adGroupChanges.getChangedCriteria()));

                System.out.println("\t\tCriteria deleted: "

                    + getFormattedList(adGroupChanges.getDeletedCriteria()));

              }

            }

          }

        }

        System.out.println("");

      }

    } else {

      System.out.println("No account changes were found.");

    }

  }

  /**

   * Gets a formatted list of a long array in the form {1,2,3}.

   * @param idList the long array

   * @return the formatted list

   */

  private static String getFormattedList(long[] idList) {

    if (idList == null) {

      idList = new long[]{};

    }

    return new StringBuilder().append("{")

        .append(StringUtils.join(ArrayUtils.toObject(idList), ','))

        .append("}").toString();

  }

}