public static List <TopicViewModel> GetTopicTree()
{
var context = new ApplicationDbContext();
List <TopicViewModel> topics = new List <TopicViewModel>();
Stack <Topic> topicQ = new Stack <Topic>();
var firstLevels = context.Topics.Where(x => x.Level == 0).ToList();
foreach (Topic top in firstLevels)
{
topicQ.Push(top);
}
while (topicQ.Count > 0)
{
var current = topicQ.Pop();
topics.Add(ModelConverter.TopicToView(current));
foreach (var child in current.Childs)
{
topicQ.Push(child);
}
}
return(topics);
}
public static List <TopicViewModel> GetAllTopicView()
{
List <Topic> topics = DBHelper.GetAllTopics();
return(topics.Select(x => ModelConverter.TopicToView(x)).ToList());
}
public static TopicViewModel GetTopicView(int id)
{
Topic top = DBHelper.GetTopic(id);
return(ModelConverter.TopicToView(top));
}
