public async Task <bool> DeleteAllQuestions()
{
List <string> all_topics = await GetAllTopics();
DeleteResult deleteResult = await context.QuestionGenerationCollection.DeleteManyAsync(_ => true);
if (deleteResult.IsAcknowledged && deleteResult.DeletedCount > 0)
{
Console.WriteLine(deleteResult.DeletedCount + " Items Deleted.");
TopicBroadcaster topicBroadcaster_all_deleted = new TopicBroadcaster();
topicBroadcaster_all_deleted.Publish_All_Topics_as_deleted(all_topics);
Console.WriteLine("All the topics are deleted --------------");
return(true);
}
return(false);
}
public async Task <bool> DeleteQuestionsByTopic(string topicName)
{
FilterDefinition <QuestionGeneration> filter = Builders <QuestionGeneration>
.Filter.Eq(m => m.TopicName, topicName);
DeleteResult deleteResult = await context.QuestionGenerationCollection.DeleteManyAsync(filter);
if (deleteResult.IsAcknowledged && deleteResult.DeletedCount > 0)
{
Console.WriteLine(deleteResult.DeletedCount + " Items Deleted.");
TopicBroadcaster topicBroadcaster_deleted_single = new TopicBroadcaster();
topicBroadcaster_deleted_single.PublishTopic_as_deleted(topicName);
Console.WriteLine("----------------" + topicName + " deleted --------------");
return(true);
}
return(false);
}
public void PublishTopic(string newTopicAdded)
{
TopicBroadcaster topicBroadcasterProvider = new TopicBroadcaster();
topicBroadcasterProvider.BroadcastTopics(newTopicAdded);
}
