تغییر رویداد

private void runExample(GoogleAdsClient googleAdsClient, long customerId) {
  // Defines a GAQL query to retrieve change_event instances from the last 14 days.
  String query =
      String.format(
          "SELECT"
              + "  change_event.resource_name,"
              + "  change_event.change_date_time,"
              + "  change_event.change_resource_name,"
              + "  change_event.user_email,"
              + "  change_event.client_type,"
              + "  change_event.change_resource_type,"
              + "  change_event.old_resource,"
              + "  change_event.new_resource,"
              + "  change_event.resource_change_operation,"
              + "  change_event.changed_fields "
              + "FROM "
              + "  change_event "
              + "WHERE "
              + "  change_event.change_date_time <= '%s' "
              + "  AND change_event.change_date_time >= '%s' "
              + "ORDER BY"
              + "  change_event.change_date_time DESC "
              + "LIMIT 5",
          LocalDate.now().toString("YYYY-MM-dd"),
          LocalDate.now().minusDays(14).toString("YYYY-MM-dd"));

  // Creates a GoogleAdsServiceClient instance.
  try (GoogleAdsServiceClient client =
      googleAdsClient.getLatestVersion().createGoogleAdsServiceClient()) {
    // Issues the search query.
    SearchPagedResponse response = client.search(String.valueOf(customerId), query);

    // Processes the rows of the response.
    for (GoogleAdsRow row : response.iterateAll()) {
      ChangeEvent event = row.getChangeEvent();

      // Prints some general information about the change event.
      System.out.printf(
          "On '%s', user '%s' used interface '%s' to perform a(n) '%s' operation on a '%s' with"
              + " resource name '%s'.%n",
          event.getChangeDateTime(),
          event.getUserEmail(),
          event.getClientType(),
          event.getResourceChangeOperation(),
          event.getChangeResourceType(),
          event.getResourceName());

      // Prints some detailed information about update and create operations.
      if (event.getResourceChangeOperation() == ResourceChangeOperation.UPDATE
          || event.getResourceChangeOperation() == ResourceChangeOperation.CREATE) {
        // Retrieves the entity that was changed.
        Optional<Message> oldResource =
            getResourceByType(event.getOldResource(), event.getChangeResourceType());
        Optional<Message> newResource =
            getResourceByType(event.getNewResource(), event.getChangeResourceType());

        // Prints the old and new values for each field that was updated/created.
        for (String changedPath : row.getChangeEvent().getChangedFields().getPathsList()) {
          // Uses the FieldMasks utility to retrieve a value from a . delimited path.
          List<? extends Object> oldValue =
              oldResource.isPresent()
                  ? FieldMasks.getFieldValue(changedPath, oldResource.get())
                  : Collections.emptyList();
          List<? extends Object> newValue =
              newResource.isPresent()
                  ? FieldMasks.getFieldValue(changedPath, newResource.get())
                  : Collections.emptyList();
          // Prints different messages for UPDATE and CREATE cases.
          if (event.getResourceChangeOperation() == ResourceChangeOperation.UPDATE) {
            System.out.printf("\t %s changed from %s to %s.%n", changedPath, oldValue, newValue);
          } else if (event.getResourceChangeOperation() == ResourceChangeOperation.CREATE) {
            System.out.printf("\t %s set to %s.%n", changedPath, newValue);
          }
        }
      }
    }
  }
}
GetChangeDetails.java
      

public void Run(GoogleAdsClient client, long customerId)
{
    // Get the GoogleAdsService.
    GoogleAdsServiceClient googleAdsService = client.GetService(
        Services.V22.GoogleAdsService);

    // Construct a query to find details for recent changes in your account.
    // The LIMIT clause is required for the change_event resource.
    // The maximum size is 10000, but a low limit was set here for demonstrative
    // purposes.
    // The WHERE clause on change_date_time is also required. It must specify a
    // window of at most 30 days within the past 30 days.

    string startDate = DateTime.Today.Subtract(TimeSpan.FromDays(25)).ToString("yyyyMMdd");
    string endDate = DateTime.Today.Add(TimeSpan.FromDays(1)).ToString("yyyyMMdd");
    string searchQuery = $@"
        SELECT
            change_event.resource_name,
            change_event.change_date_time,
            change_event.change_resource_name,
            change_event.user_email,
            change_event.client_type,
            change_event.change_resource_type,
            change_event.old_resource,
            change_event.new_resource,
            change_event.resource_change_operation,
            change_event.changed_fields
        FROM
            change_event
        WHERE
            change_event.change_date_time >= '{startDate}' AND
            change_event.change_date_time <= '{endDate}'
        ORDER BY
            change_event.change_date_time DESC
        LIMIT 5";

    try
    {
        // Issue a search request.
        googleAdsService.SearchStream(customerId.ToString(), searchQuery,
            delegate (SearchGoogleAdsStreamResponse resp)
            {
                // Display the results.
                foreach (GoogleAdsRow googleAdsRow in resp.Results)
                {
                    ChangeEvent changeEvent = googleAdsRow.ChangeEvent;
                    ChangedResource oldResource = changeEvent.OldResource;
                    ChangedResource newResource = changeEvent.NewResource;

                    bool knownResourceType = true;
                    IMessage oldResourceEntity = null;
                    IMessage newResourceEntity = null;
                    switch (changeEvent.ChangeResourceType)
                    {
                        case ChangeEventResourceType.Ad:
                            oldResourceEntity = oldResource.Ad;
                            newResourceEntity = newResource.Ad;
                            break;

                        case ChangeEventResourceType.AdGroup:
                            oldResourceEntity = oldResource.AdGroup;
                            newResourceEntity = newResource.AdGroup;
                            break;

                        case ChangeEventResourceType.AdGroupAd:
                            oldResourceEntity = oldResource.AdGroupAd;
                            newResourceEntity = newResource.AdGroupAd;
                            break;

                        case ChangeEventResourceType.AdGroupAsset:
                            oldResourceEntity = oldResource.AdGroupAsset;
                            newResourceEntity = newResource.AdGroupAsset;
                            break;

                        case ChangeEventResourceType.AdGroupBidModifier:
                            oldResourceEntity = oldResource.AdGroupBidModifier;
                            newResourceEntity = newResource.AdGroupBidModifier;
                            break;

                        case ChangeEventResourceType.AdGroupCriterion:
                            oldResourceEntity = oldResource.AdGroupCriterion;
                            newResourceEntity = newResource.AdGroupCriterion;
                            break;

                        case ChangeEventResourceType.Asset:
                            oldResourceEntity = oldResource.Asset;
                            newResourceEntity = newResource.Asset;
                            break;

                        case ChangeEventResourceType.AssetSet:
                            oldResourceEntity = oldResource.AssetSet;
                            newResourceEntity = newResource.AssetSet;
                            break;

                        case ChangeEventResourceType.AssetSetAsset:
                            oldResourceEntity = oldResource.AssetSetAsset;
                            newResourceEntity = newResource.AssetSetAsset;
                            break;

                        case ChangeEventResourceType.Campaign:
                            oldResourceEntity = oldResource.Campaign;
                            newResourceEntity = newResource.Campaign;
                            break;

                        case ChangeEventResourceType.CampaignAsset:
                            oldResourceEntity = oldResource.CampaignAsset;
                            newResourceEntity = newResource.CampaignAsset;
                            break;

                        case ChangeEventResourceType.CampaignAssetSet:
                            oldResourceEntity = oldResource.CampaignAssetSet;
                            newResourceEntity = newResource.CampaignAssetSet;
                            break;

                        case ChangeEventResourceType.CampaignBudget:
                            oldResourceEntity = oldResource.CampaignBudget;
                            newResourceEntity = newResource.CampaignBudget;
                            break;

                        case ChangeEventResourceType.CampaignCriterion:
                            oldResourceEntity = oldResource.CampaignCriterion;
                            newResourceEntity = newResource.CampaignCriterion;
                            break;

                        case ChangeEventResourceType.CustomerAsset:
                            oldResourceEntity = oldResource.CustomerAsset;
                            newResourceEntity = newResource.CustomerAsset;
                            break;

                        default:
                            knownResourceType = false;
                            break;
                    }

                    if (!knownResourceType)
                    {
                        Console.WriteLine($"Unknown change_resource_type " +
                            $"'{changeEvent.ChangeResourceType}'.");
                        continue;
                    }

                    Console.WriteLine($"On #{changeEvent.ChangeDateTime}, user " +
                        $"{changeEvent.UserEmail} used interface {changeEvent.ClientType} " +
                        $"to perform a(n) '{changeEvent.ResourceChangeOperation}' " +
                        $"operation on a '{changeEvent.ChangeResourceType}' with " +
                        $"resource name {changeEvent.ChangeResourceName}.");

                    foreach (string fieldMaskPath in changeEvent.ChangedFields.Paths)
                    {
                        if (changeEvent.ResourceChangeOperation ==
                            ResourceChangeOperation.Create)
                        {
                            object newValue = FieldMasks.GetFieldValue(
                                fieldMaskPath, newResourceEntity);
                            Console.WriteLine($"\t{fieldMaskPath} set to '{newValue}'.");
                        }
                        else if (changeEvent.ResourceChangeOperation ==
                            ResourceChangeOperation.Update)
                        {
                            object oldValue = FieldMasks.GetFieldValue(fieldMaskPath,
                                oldResourceEntity);
                            object newValue = FieldMasks.GetFieldValue(fieldMaskPath,
                                newResourceEntity);

                            Console.WriteLine($"\t{fieldMaskPath} changed from " +
                                $"'{oldValue}' to '{newValue}'.");
                        }
                    }
                }
            });
    }
    catch (GoogleAdsException e)
    {
        Console.WriteLine("Failure:");
        Console.WriteLine($"Message: {e.Message}");
        Console.WriteLine($"Failure: {e.Failure}");
        Console.WriteLine($"Request ID: {e.RequestId}");
        throw;
    }
}
GetChangeDetails.cs
      

public static function runExample(GoogleAdsClient $googleAdsClient, int $customerId)
{
    $googleAdsServiceClient = $googleAdsClient->getGoogleAdsServiceClient();

    // Constructs a query to find details for recent changes in your account.
    // The LIMIT clause is required for the change_event resource.
    // The maximum size is 10000, but a low limit was set here for demonstrative
    // purposes.
    // The WHERE clause on change_date_time is also required. It must specify a
    // window of at most 30 days within the past 30 days.
    $query = 'SELECT change_event.resource_name, '
        . 'change_event.change_date_time, '
        . 'change_event.change_resource_name, '
        . 'change_event.user_email, '
        . 'change_event.client_type, '
        . 'change_event.change_resource_type, '
        . 'change_event.old_resource, '
        . 'change_event.new_resource, '
        . 'change_event.resource_change_operation, '
        . 'change_event.changed_fields '
        . 'FROM change_event '
        . sprintf(
            'WHERE change_event.change_date_time <= %s ',
            date_format(new DateTime('+1 day'), 'Ymd')
        ) . sprintf(
            'AND change_event.change_date_time >= %s ',
            date_format(new DateTime('-14 days'), 'Ymd')
        ) . 'ORDER BY change_event.change_date_time DESC '
        . 'LIMIT 5';
    // Issues a search request.
    $response =
        $googleAdsServiceClient->search(SearchGoogleAdsRequest::build($customerId, $query));

    // Iterates over all rows in all pages and prints the requested field values for
    // the change event in each row.
    foreach ($response->iterateAllElements() as $googleAdsRow) {
        /** @var GoogleAdsRow $googleAdsRow */
        $changeEvent = $googleAdsRow->getChangeEvent();
        $oldResource = $changeEvent->getOldResource();
        $newResource = $changeEvent->getNewResource();

        $isResourceTypeKnown = true;
        $oldResourceEntity = null;
        $newResourceEntity = null;
        switch ($changeEvent->getChangeResourceType()) {
            case ChangeEventResourceType::AD:
                $oldResourceEntity = $oldResource->getAd();
                $newResourceEntity = $newResource->getAd();
                break;
            case ChangeEventResourceType::AD_GROUP:
                $oldResourceEntity = $oldResource->getAdGroup();
                $newResourceEntity = $newResource->getAdGroup();
                break;
            case ChangeEventResourceType::AD_GROUP_AD:
                $oldResourceEntity = $oldResource->getAdGroupAd();
                $newResourceEntity = $newResource->getAdGroupAd();
                break;
            case ChangeEventResourceType::AD_GROUP_ASSET:
                $oldResourceEntity = $oldResource->getAdGroupAsset();
                $newResourceEntity = $newResource->getAdGroupAsset();
                break;
            case ChangeEventResourceType::AD_GROUP_CRITERION:
                $oldResourceEntity = $oldResource->getAdGroupCriterion();
                $newResourceEntity = $newResource->getAdGroupCriterion();
                break;
            case ChangeEventResourceType::AD_GROUP_BID_MODIFIER:
                $oldResourceEntity = $oldResource->getAdGroupBidModifier();
                $newResourceEntity = $newResource->getAdGroupBidModifier();
                break;
            case ChangeEventResourceType::ASSET:
                $oldResourceEntity = $oldResource->getAsset();
                $newResourceEntity = $newResource->getAsset();
                break;
            case ChangeEventResourceType::ASSET_SET:
                $oldResourceEntity = $oldResource->getAssetSet();
                $newResourceEntity = $newResource->getAssetSet();
                break;
            case ChangeEventResourceType::ASSET_SET_ASSET:
                $oldResourceEntity = $oldResource->getAssetSetAsset();
                $newResourceEntity = $newResource->getAssetSetAsset();
                break;
            case ChangeEventResourceType::CAMPAIGN:
                $oldResourceEntity = $oldResource->getCampaign();
                $newResourceEntity = $newResource->getCampaign();
                break;
            case ChangeEventResourceType::CAMPAIGN_ASSET:
                $oldResourceEntity = $oldResource->getCampaignAsset();
                $newResourceEntity = $newResource->getCampaignAsset();
                break;
            case ChangeEventResourceType::CAMPAIGN_ASSET_SET:
                $oldResourceEntity = $oldResource->getCampaignAssetSet();
                $newResourceEntity = $newResource->getCampaignAssetSet();
                break;
            case ChangeEventResourceType::CAMPAIGN_BUDGET:
                $oldResourceEntity = $oldResource->getCampaignBudget();
                $newResourceEntity = $newResource->getCampaignBudget();
                break;
            case ChangeEventResourceType::CAMPAIGN_CRITERION:
                $oldResourceEntity = $oldResource->getCampaignCriterion();
                $newResourceEntity = $newResource->getCampaignCriterion();
                break;
            case ChangeEventResourceType::CUSTOMER_ASSET:
                $oldResourceEntity = $oldResource->getCustomerAsset();
                $newResourceEntity = $newResource->getCustomerAsset();
                break;
            default:
                $isResourceTypeKnown = false;
                break;
        }
        if (!$isResourceTypeKnown) {
            printf(
                "Unknown change_resource_type %s.%s",
                ChangeEventResourceType::name($changeEvent->getChangeResourceType()),
                PHP_EOL
            );
        }
        $resourceChangeOperation = $changeEvent->getResourceChangeOperation();
        printf(
            "On %s, user '%s' used interface '%s' to perform a(n) '%s' operation on a '%s' "
            . "with resource name '%s'.%s",
            $changeEvent->getChangeDateTime(),
            $changeEvent->getUserEmail(),
            ChangeClientType::name($changeEvent->getClientType()),
            ResourceChangeOperation::name($resourceChangeOperation),
            ChangeEventResourceType::name($changeEvent->getChangeResourceType()),
            $changeEvent->getChangeResourceName(),
            PHP_EOL
        );

        if (
            $resourceChangeOperation !== ResourceChangeOperation::CREATE
            && $resourceChangeOperation !== ResourceChangeOperation::UPDATE
        ) {
            continue;
        }
        foreach ($changeEvent->getChangedFields()->getPaths() as $path) {
            $newValueStr = self::convertToString(
                FieldMasks::getFieldValue($path, $newResourceEntity, true)
            );
            if ($resourceChangeOperation === ResourceChangeOperation::CREATE) {
                printf("\t'$path' set to '%s'.%s", $newValueStr, PHP_EOL);
            } elseif ($resourceChangeOperation === ResourceChangeOperation::UPDATE) {
                printf(
                    "\t'$path' changed from '%s' to '%s'.%s",
                    self::convertToString(
                        FieldMasks::getFieldValue($path, $oldResourceEntity, true)
                    ),
                    $newValueStr,
                    PHP_EOL
                );
            }
        }
    }
}

/**
 * Converts the specified value to string.
 *
 * @param mixed $value the value to be converted to string
 * @return string the value in string
 */
private static function convertToString($value)
{
    if (is_null($value)) {
        return 'no value';
    }
    if (gettype($value) === 'boolean') {
        return $value ? 'true' : 'false';
    } elseif (gettype($value) === 'object') {
        if (get_class($value) === RepeatedField::class) {
            $strValues = [];
            foreach (iterator_to_array($value->getIterator()) as $element) {
                /** @type Message $element */
                $strValues[] = $element->serializeToJsonString();
            }
            return '[' . implode(',', $strValues) . ']';
        }
        return json_encode($value);
    } else {
        return strval($value);
    }
}
GetChangeDetails.php