/// <summary>
/// Updates attribute value of the feed item. In order to update a FeedItemAttributeValue
/// you must update the FeedItem.
/// </summary>
/// <param name="client">The Google Ads client.</param>
/// <param name="customerId">The customer ID for which the call is made.</param>
/// <param name="feedId">ID of the feed containing the feed item to be updated.</param>
/// <param name="feedItemId">ID of the feed item to be updated.</param>
/// <param name="flightPlaceholderField">the placeholder type for the attribute to be
/// updated.</param>
/// <param name="attributeValue">String value with which to update the
/// FeedAttributeValue.</param>
private void UpdateFeedItem(GoogleAdsClient client, long customerId, long feedId,
long feedItemId, string flightPlaceholderField, string attributeValue)
{
// Get the FeedItemServiceClient.
FeedItemServiceClient feedItemService =
client.GetService(Services.V2.FeedItemService);
// Gets the feed resource name.
string feedResourceName = ResourceNames.Feed(customerId, feedId);
// Gets a map of the placeholder values and feed attributes.
Dictionary <FlightPlaceholderField, FeedAttribute> feedAttributes =
GetFeed(client, customerId, feedResourceName);
// Gets the ID of the attribute to update. This is needed to specify which
// FeedItemAttributeValue will be updated in the given FeedItem.
FlightPlaceholderField placeholderField = (FlightPlaceholderField)Enum.Parse(
typeof(FlightPlaceholderField), flightPlaceholderField);
long attributeId = feedAttributes[placeholderField].Id.Value;
// Gets the feed item resource name.
string feedItemResourceName = ResourceNames.FeedItem(customerId, feedId, feedItemId);
// Retrieves the feed item and its associated attributes based on its resource name.
FeedItem feedItem = GetFeedItem(client, customerId, feedItemResourceName);
// Creates the updated FeedItemAttributeValue.
FeedItemAttributeValue feedItemAttributeValue = new FeedItemAttributeValue()
{
FeedAttributeId = attributeId,
StringValue = attributeValue
};
// Creates a new FeedItem from the existing FeedItem. Any FeedItemAttributeValues that are
// not included in the updated FeedItem will be removed from the FeedItem, which is why you
// must create the FeedItem from the existing FeedItem and set the field(s) that will be
// updated.
feedItem.AttributeValues[GetAttributeIndex(feedItem, feedItemAttributeValue)] =
feedItemAttributeValue;
// Creates the operation.
FeedItemOperation operation = new FeedItemOperation()
{
Update = feedItem,
UpdateMask = FieldMasks.AllSetFieldsOf(feedItem)
};
// Updates the feed item.
MutateFeedItemsResponse response =
feedItemService.MutateFeedItems(customerId.ToString(), new[] { operation });
foreach (MutateFeedItemResult result in response.Results)
{
Console.WriteLine($"Updated feed item with resource name '{result.ResourceName}'.");
}
}
/// <summary>
/// Runs the code example.
/// </summary>
/// <param name="client">The Google Ads API client.</param>
/// <param name="customerId">The Google Ads customer ID for which the call is made.</param>
/// <param name="feedId">The Feed ID to which the feed item belongs.</param>
/// <param name="feedItemId">The ID of the feed item to be updated.</param>
/// <param name="flightPlaceholderFieldName">
/// The flight placeholder field name for the attribute to be removed.
/// </param>
public void Run(GoogleAdsClient client, long customerId, long feedId, long feedItemId,
string flightPlaceholderFieldName)
{
// Creates the Feed Item service client.
FeedItemServiceClient feedItemServiceClient = client.GetService(
Services.V10.FeedItemService);
try
{
// Gets a map of the placeholder values to feed attributes.
Dictionary <FlightPlaceholderField, FeedAttribute> placeholdersToFeedAttributesMap =
GetFeed(client, customerId, feedId);
// Removes the attribute from the feed item.
FlightPlaceholderField flightPlaceholderField =
(FlightPlaceholderField)Enum.Parse(typeof(FlightPlaceholderField),
flightPlaceholderFieldName, true);
FeedItem feedItem = RemoveAttributeValueFromFeedItem(client, customerId, feedId,
feedItemId, placeholdersToFeedAttributesMap, flightPlaceholderField);
// [START remove_flights_feed_item_attribute_value_1] Creates the operation.
FeedItemOperation operation = new FeedItemOperation
{
Update = feedItem,
UpdateMask = FieldMasks.AllSetFieldsOf(feedItem)
};
// Updates the feed item and prints the results.
MutateFeedItemsResponse response = feedItemServiceClient.MutateFeedItems
(customerId.ToString(), new[] { operation });
foreach (MutateFeedItemResult result in response.Results)
{
Console.WriteLine("Updated feed item with resource name " +
$"'{result.ResourceName}'.");
}
// [END remove_flights_feed_item_attribute_value_1]
}
catch (GoogleAdsException e)
{
Console.WriteLine("Failure:");
Console.WriteLine($"Message: {e.Message}");
Console.WriteLine($"Failure: {e.Failure}");
Console.WriteLine($"Request ID: {e.RequestId}");
throw;
}
catch (Exception e)
{
Console.WriteLine("Failure:");
Console.WriteLine($"Message: {e.Message}");
throw;
}
}
/// <summary>
/// Removes an attribute value from the specified feed item.
/// </summary>
/// <param name="client">The Google Ads client.</param>
/// <param name="customerId">The Google Ads customer ID that has the flights feed.</param>
/// <param name="feedId">The feed ID that contains the target feed item.</param>
/// <param name="feedItemId">The feed item ID that will be updated.</param>
/// <param name="placeholdersToFeedAttributesMap">A mapping of FlightPlaceholderFields to
/// FeedAttributes.</param>
/// <param name="flightPlaceholderFieldName">The attributed field name to remove.</param>
/// <returns>The modified feed item.</returns>
/// <exception cref="ArgumentException">If the specified attribute was not found in the
/// feed item.</exception>
private FeedItem RemoveAttributeValueFromFeedItem(GoogleAdsClient client, long customerId,
long feedId, long feedItemId,
Dictionary <FlightPlaceholderField, FeedAttribute> placeholdersToFeedAttributesMap,
FlightPlaceholderField flightPlaceholderFieldName)
{
// Gets the ID of the FeedAttribute for the placeholder field.
long attributeId = placeholdersToFeedAttributesMap[flightPlaceholderFieldName].Id.Value;
// Retrieves the feed item and its associated attributes based on its resource name.
FeedItem feedItem = GetFeedItem(client, customerId, feedId, feedItemId);
//Creates the FeedItemAttributeValue that will be updated.
FeedItemAttributeValue feedItemAttributeValue = new FeedItemAttributeValue
{
FeedAttributeId = attributeId
};
// Gets the index of the attribute value that will be removed.
// int attributeIndex = GetAttributeIndex(feedItem, feedItemAttributeValue);
int attributeIndex = feedItem.AttributeValues
.Select((item, index) => new { item, index })
.Where(itemIndexPair =>
itemIndexPair.item.FeedAttributeId.Value ==
feedItemAttributeValue.FeedAttributeId.Value)
.Select(itemIndexPair => itemIndexPair.index + 1)
.FirstOrDefault() - 1;
if (attributeIndex == -1)
{
throw new ArgumentException("No matching feed attribute found for " +
$"value '{feedItemAttributeValue}'.");
}
// Returns the feed item with the removed FeedItemAttributeValue. Any
// FeedItemAttributeValues that are not included in the updated FeedItem will be removed
// from the FeedItem, which is why you must create the FeedItem from the existing
// FeedItem and set the field(s) that will be removed.
feedItem.AttributeValues.RemoveAt(attributeIndex);
return(feedItem);
}
/// <summary>
/// Updates attribute value of the feed item. In order to update a FeedItemAttributeValue
/// you must update the FeedItem.
/// </summary>
/// <param name="client">The Google Ads client.</param>
/// <param name="customerId">The customer ID for which the call is made.</param>
/// <param name="feedId">ID of the feed containing the feed item to be updated.</param>
/// <param name="feedItemId">ID of the feed item to be updated.</param>
/// <param name="flightPlaceholderFieldName">the placeholder type for the attribute to be
/// updated.</param>
/// <param name="attributeValue">String value with which to update the
/// FeedAttributeValue.</param>
private void UpdateFeedItem(GoogleAdsClient client, long customerId, long feedId,
long feedItemId, string flightPlaceholderFieldName, string attributeValue)
{
// Get the FeedItemServiceClient.
FeedItemServiceClient feedItemService =
client.GetService(Services.V5.FeedItemService);
// Gets the feed resource name.
string feedResourceName = ResourceNames.Feed(customerId, feedId);
// Gets a map of the placeholder values and feed attributes.
Dictionary <FlightPlaceholderField, FeedAttribute> feedAttributes =
GetFeed(client, customerId, feedResourceName);
// Gets the ID of the attribute to update. This is needed to specify which
// FeedItemAttributeValue will be updated in the given FeedItem.
FlightPlaceholderField placeholderField = (FlightPlaceholderField)Enum.Parse(
typeof(FlightPlaceholderField), flightPlaceholderFieldName);
long attributeId = feedAttributes[placeholderField].Id.Value;
// Gets the feed item resource name.
string feedItemResourceName = ResourceNames.FeedItem(customerId, feedId, feedItemId);
// Retrieves the feed item and its associated attributes based on its resource name.
FeedItem feedItem = GetFeedItem(client, customerId, feedItemResourceName);
// Creates the updated FeedItemAttributeValue.
FeedItemAttributeValue feedItemAttributeValue = new FeedItemAttributeValue()
{
FeedAttributeId = attributeId,
StringValue = attributeValue
};
// Creates a new FeedItem from the existing FeedItem. Any FeedItemAttributeValues that
// are not included in the updated FeedItem will be removed from the FeedItem, which is
// why you must create the FeedItem from the existing FeedItem and set the field(s)
// that will be updated.
int attributeIndex = feedItem.AttributeValues
.Select((item, index) => new { item, index })
.Where(itemIndexPair =>
itemIndexPair.item.FeedAttributeId.Value ==
feedItemAttributeValue.FeedAttributeId.Value)
.Select(itemIndexPair => itemIndexPair.index + 1)
.FirstOrDefault() - 1;
if (attributeIndex == -1)
{
throw new ArgumentException("No matching feed attribute found for " +
$"value '{feedItemAttributeValue}'.");
}
feedItem.AttributeValues[attributeIndex] = feedItemAttributeValue;
// Creates the operation.
FeedItemOperation operation = new FeedItemOperation()
{
Update = feedItem,
UpdateMask = FieldMasks.AllSetFieldsOf(feedItem)
};
// Updates the feed item.
MutateFeedItemsResponse response =
feedItemService.MutateFeedItems(customerId.ToString(), new[] { operation });
foreach (MutateFeedItemResult result in response.Results)
{
Console.WriteLine($"Updated feed item with resource name '{result.ResourceName}'.");
}
}
