public async Task <PublishToTagResult> PublishToTagAsync()
{
if (!tagOperator.IsTaggingAvailable())
{
return(new PublishToTagFailedResult(new TaggingNotAvailableException()));
}
string tag = model.Tag;
DynamoTag tagEntry = await tagOperator.tagTableOperator.GetTagAsync(tag);
if (tagEntry == null)
{
return(new PublishToTagFailedResult(new TagNotFoundException(tag)));
}
switch (tagEntry.TaggingTypeEnum)
{
case PNTagType.Iterative:
List <DynamoIterativeTag> tags = await tagOperator.iterativeTagTableOperator.GetAllSubscribersForTagAsync(tagEntry.Tag);
IterativeTagResponseTuple resultTuples = await PublishToIterativeTagAsync(tags);
await RemoveUnsuccessfulEndpoints(resultTuples);
var returnTuples = resultTuples.Select(t => new Tuple <PublishToSNSResult, PushNotificationSubscriber>(t.Item1, PushNotificationSubscriber.From(t.Item2.Subscriber)));
return(new PublishToIterativeTagResult(tag, returnTuples));
case PNTagType.SNSTopic:
PublishToSNSResult result = await PublishToSnsTopicTag(tagEntry.SnsTopicArn);
return(new PublishToSNSTopicTagResult(tag, result));
default:
throw new TagNotFoundException(tag);
}
}
/// <summary>
/// Validate and make the request.
/// </summary>
public new async Task <PublishToSNSResult> SendAsync()
{
try
{
Validate();
PublishToUserOperator publishService = new PublishToUserOperator(new PublishToUserOperatorModel(this), base.Provider);
PublishToSNSResult result = await publishService.PublishToSubscriberAsync(NotificationToken);
return(result);
}
catch (AWSMobilePushNotificationServiceException ex)
{
return(new PublishToSNSFailedResult(ex.Message));
}
catch (Exception ex)
{
if (Provider.CatchAllExceptions)
{
return(new PublishToSNSFailedResult(ex.Message));
}
else
{
throw ex;
}
}
}
private async Task RemoveUnsuccessfulEndpoints(IterativeTagResponseTuple resultTuples)
{
// Parallel tasks are not implemented because of AWS-SDK SNS bug in parellel execution cause high memory usage
// List<Task> tasks = new List<Task>();
foreach (var responseTagTuple in resultTuples)
{
PublishToSNSResult result = responseTagTuple.Item1;
DynamoIterativeTag tag = responseTagTuple.Item2;
if (result.ErrorAlias == ErrorReason.SNSEndpointDisabled ||
result.ErrorAlias == ErrorReason.SNSEndpointNotFound)
{
await unRegisterService.UnRegisterSubscriberAsync(tag.Subscriber.UserId, tag.Subscriber.Token);
}
}
}
