public async Task <TaggingOperationResult> AddUserToTagsAsync(string userId, List <PNAttributedTag> tags)
{
List <DynamoSubscriber> subscribers = await subscriberTableOperator.GetAllSubcribersOfUserAsync(userId);
if (subscribers.Count == 0)
{
return(new TagCRUDFailedResult(new UserNotFoundException(userId)));
}
foreach (var subscriber in subscribers)
{
await SubscribeToTagsAsync(subscriber, tags);
}
TagCRUDSuccessfulResult result = new TagCRUDSuccessfulResult();
result.NumberOfModifications = subscribers.Count;
return(result);
}