public List <ICommentNode> Build(CommentTree tree, CommentTreeContext treeContext, User currentUser)
{
var wrapped = _commentWrapper.Wrap(treeContext.Comments, currentUser).ToDictionary(x => x.Comment.Id, x => new CommentNode(x));
var final = new List <ICommentNode>();
var walked = new List <Guid>();
// lets mark any comments as collapsed if needed
foreach (var comment in wrapped.Values)
{
// todo: make this configurable per-user
int minimumScore = 0;
if ((comment.Comment.Author != null && currentUser != null) && currentUser.Id == comment.Comment.Author.Id)
{
// the current user is the author, don't collapse!
comment.Collapsed = false;
}
else if (comment.Comment.Score < minimumScore)
{
// to many down votes to show to the user
comment.Collapsed = true;
}
else
{
// the current user is not the author, and we have enough upvotes to display,
// don't collapse
comment.Collapsed = false;
}
}
foreach (var comment in wrapped.Values)
{
comment.NumberOfChildren = treeContext.CommentsChildrenCount[comment.Comment.Comment.Id];
CommentNode parent = null;
if (comment.Comment.Comment.ParentId.HasValue)
{
parent = wrapped.ContainsKey(comment.Comment.Comment.ParentId.Value)
? wrapped[comment.Comment.Comment.ParentId.Value]
: null;
}
if (comment.Comment.Comment.ParentId.HasValue && treeContext.Comments.Contains(comment.Comment.Comment.ParentId.Value))
{
// parent comment is visible
comment.IsParentVisible = true;
}
if (parent != null && comment.Comment.CurrentUserIsAuthor)
{
// this comment is the current user, so lets walk the parents
// and uncollapse any comments which may be collapsed
var ancestor = parent;
while (ancestor != null && !walked.Contains(ancestor.Comment.Comment.Id))
{
ancestor.Collapsed = false;
walked.Add(ancestor.Comment.Comment.Id);
ancestor = (ancestor.Comment.Comment.ParentId.HasValue && wrapped.ContainsKey(comment.Comment.Comment.ParentId.Value))
? wrapped[comment.Comment.Comment.ParentId.Value]
: null;
}
}
if (treeContext.MoreRecursion.Contains(comment.Comment.Comment.Id))
{
comment.Children.Add(new MoreRecursionNode(comment.Comment));
}
if (parent != null)
{
comment.Parent = comment.Comment;
parent.Children.Add(comment);
}
else
{
if (comment.Comment.Comment.ParentId.HasValue)
{
// we don't have a parent here, but this comment does have a parent
// we need to get it
comment.Parent = _commentWrapper.Wrap(comment.Comment.Comment.ParentId.Value);
}
final.Add(comment);
}
}
foreach (var visibleId in wrapped.Keys)
{
// this item is already scheduled to have a new link to see all the children
if (treeContext.MoreRecursion.Contains(visibleId))
{
continue;
}
var children = tree.Tree.ContainsKey(visibleId) ? tree.Tree[visibleId] : new List <Guid>();
var missingChildren = children.Where(x => !treeContext.Comments.Contains(x)).ToList();
if (missingChildren.Count > 0)
{
var visibleChildren = children.Where(x => treeContext.Comments.Contains(x)).ToList();
var visibleCount = visibleChildren.Sum(x => (treeContext.CommentsChildrenCount[x]) + 1);
var missingCount = treeContext.CommentsChildrenCount[visibleId] - visibleCount;
var missingDepth = (tree.Depth.ContainsKey(visibleId) ? tree.Depth[visibleId] : 0) + 1 - treeContext.OffsetDepth;
var moreChildren = new MoreChildren();
moreChildren.ChildComments.AddRange(missingChildren);
moreChildren.MissingCount = missingCount;
moreChildren.PostId = tree.PostId;
moreChildren.Sort = treeContext.Sort;
moreChildren.Depth = missingDepth;
wrapped[visibleId].Children.Add(moreChildren);
}
}
if (treeContext.TopLevelCandidates.Count > 0)
{
var moreChildren = new MoreChildren();
moreChildren.ChildComments.AddRange(treeContext.TopLevelCandidates);
moreChildren.MissingCount = moreChildren.ChildComments.Sum(x => (treeContext.CommentsChildrenCount.ContainsKey(x) ? treeContext.CommentsChildrenCount[x] : 0) + 1);
moreChildren.PostId = tree.PostId;
moreChildren.Sort = treeContext.Sort;
moreChildren.Depth = 0;
final.Add(moreChildren);
}
return(final);
}
public List<ICommentNode> Build(CommentTree tree, CommentTreeContext treeContext, User currentUser)
{
var wrapped = _commentWrapper.Wrap(treeContext.Comments, currentUser).ToDictionary(x => x.Comment.Id, x => new CommentNode(x));
var final = new List<ICommentNode>();
var walked = new List<Guid>();
// lets mark any comments as collapsed if needed
foreach (var comment in wrapped.Values)
{
// TODO: make this configurable per-user
int minimumScore = 0;
if ((comment.Comment.Author != null && currentUser != null) && currentUser.Id == comment.Comment.Author.Id)
{
// the current user is the author, don't collapse!
comment.Collapsed = false;
}
else if (comment.Comment.Score < minimumScore)
{
// too many down votes to show to the user
comment.Collapsed = true;
}
else
{
// the current user is not the author, and we have enough upvotes to display,
// don't collapse
comment.Collapsed = false;
}
}
foreach (var comment in wrapped.Values)
{
comment.NumberOfChildren = treeContext.CommentsChildrenCount[comment.Comment.Comment.Id];
CommentNode parent = null;
if (comment.Comment.Comment.ParentId.HasValue)
parent = wrapped.ContainsKey(comment.Comment.Comment.ParentId.Value)
? wrapped[comment.Comment.Comment.ParentId.Value]
: null;
if (comment.Comment.Comment.ParentId.HasValue && treeContext.Comments.Contains(comment.Comment.Comment.ParentId.Value))
comment.IsParentVisible = true;
if (parent != null && comment.Comment.CurrentUserIsAuthor)
{
// this comment is the current user, so lets walk the parents
// and uncollapse any comments which may be collapsed
var ancestor = parent;
while (ancestor != null && !walked.Contains(ancestor.Comment.Comment.Id))
{
ancestor.Collapsed = false;
walked.Add(ancestor.Comment.Comment.Id);
ancestor = (ancestor.Comment.Comment.ParentId.HasValue && wrapped.ContainsKey(comment.Comment.Comment.ParentId.Value))
? wrapped[comment.Comment.Comment.ParentId.Value]
: null;
}
}
if (treeContext.MoreRecursion.Contains(comment.Comment.Comment.Id))
comment.Children.Add(new MoreRecursionNode(comment.Comment));
if (parent != null)
{
comment.Parent = comment.Comment;
parent.Children.Add(comment);
}
else
{
if (comment.Comment.Comment.ParentId.HasValue)
{
// we don't have a parent here, but this comment does have a parent.
// we need to get it
comment.Parent = _commentWrapper.Wrap(comment.Comment.Comment.ParentId.Value);
}
final.Add(comment);
}
}
foreach (var visibleId in wrapped.Keys)
{
// this item is already scheduled to have a new link to see all the children
if (treeContext.MoreRecursion.Contains(visibleId)) continue;
var children = tree.Tree.ContainsKey(visibleId) ? tree.Tree[visibleId] : new List<Guid>();
var missingChildren = children.Where(x => !treeContext.Comments.Contains(x)).ToList();
if (missingChildren.Count > 0)
{
var visibleChildren = children.Where(x => treeContext.Comments.Contains(x)).ToList();
var visibleCount = visibleChildren.Sum(x => (treeContext.CommentsChildrenCount[x]) + 1);
var missingCount = treeContext.CommentsChildrenCount[visibleId] - visibleCount;
var missingDepth = (tree.Depth.ContainsKey(visibleId) ? tree.Depth[visibleId] : 0) + 1 -
treeContext.OffsetDepth;
var moreChildren = new MoreChildren();
moreChildren.ChildComments.AddRange(missingChildren);
moreChildren.MissingCount = missingCount;
moreChildren.PostId = tree.PostId;
moreChildren.Sort = treeContext.Sort;
moreChildren.Depth = missingDepth;
wrapped[visibleId].Children.Add(moreChildren);
}
}
if (treeContext.TopLevelCandidates.Count > 0)
{
var moreChildren = new MoreChildren();
moreChildren.ChildComments.AddRange(treeContext.TopLevelCandidates);
moreChildren.MissingCount = moreChildren.ChildComments.Sum(x => (treeContext.CommentsChildrenCount.ContainsKey(x) ? treeContext.CommentsChildrenCount[x] : 0) + 1);
moreChildren.PostId = tree.PostId;
moreChildren.Sort = treeContext.Sort;
moreChildren.Depth = 0;
final.Add(moreChildren);
}
return final;
}