public ContentThread GetThread(Guid id)
{
if (AllDictionary.ContainsKey(id))
{
return(AllDictionary[id]);
}
return(null);
}
public List <ContentTag> GetSubTags(Guid tagId, int topLevel = 0, int bottomLevel = int.MaxValue)
{
if (tagId == Guid.Empty || !AllDictionary.ContainsKey(tagId))
{
return(null);
}
ContentTag parentTag = AllDictionary[tagId];
if (parentTag == null)
{
return(null);
}
if (topLevel < 0 || bottomLevel < 0 || topLevel > bottomLevel)
{
return(null);
}
List <ContentTag> childTags = new List <ContentTag>();
Queue <ContentTag> currentTags = new Queue <ContentTag>();
currentTags.Enqueue(parentTag);
currentTags.Enqueue(null);
int currentLevel = 0;
while (currentTags.Count > 0)
{
ContentTag tag = currentTags.Dequeue();
if (tag == null)
{
currentLevel++;
if (currentLevel > bottomLevel || currentTags.Count == 0 || currentTags.Last() == null)
{
break;
}
currentTags.Enqueue(null);
continue;
}
if (currentLevel >= topLevel && currentLevel <= bottomLevel)
{
childTags.Add(tag);
}
if (tag.SubTags != null && tag.SubTags.Count > 0)
{
foreach (var subTag in tag.SubTags)
{
currentTags.Enqueue(subTag);
}
}
}
return(childTags);
}
