Example #1
0
            static void AppendCommentList(StringBuilder sb, List <V1CommentModel> rootComments,
                                          JsonSerializerOptions options)
            {
                var stack = new Stack <(List <V1CommentModel> List, int NextIndex)>();

                stack.Push((rootComments, 0));

                while (stack.Any())
                {
                    var(list, index) = stack.Pop();
                    if (index == 0)
                    {
                        sb.Append("[");
                    }
                    if (index == list.Count)
                    {
                        sb.Append("]}");
                        continue;
                    }
                    stack.Push((list, index + 1));

                    var comment = list[index];

                    if (index == 0)
                    {
                        sb.Append("{");
                    }
                    else
                    {
                        sb.Append(",{");
                    }
                    AppendProperty(sb, "id", comment.Id, options);
                    AppendProperty(sb, "body", comment.Body, options);
                    AppendProperty(sb, "date", V1DateTimeOffsetConverter.ToJsonString(comment.Date), options);
                    AppendProperty(sb, "category", V1ModerationFlagConverter.ToJsonString(comment.Category), options);
                    AppendProperty(sb, "author", comment.Author, options);
                    AppendProperty(sb, "preview", comment.Preview, options);
                    sb.Append("\"comments\":");
                    stack.Push((comment.Comments, 0));
                }
            }
Example #2
0
        public async Task <ContentResult> Thread(int threadId)
        {
            var chattyThread = await _chattyProvider.GetThread(threadId);

            var list               = new List <V1RootCommentModel>();
            var maxDepth           = chattyThread.Posts.Max(x => x.Depth);
            var lastCommentAtDepth = new V1CommentModel[maxDepth + 1];
            var op = chattyThread.Posts[0];
            var v1RootCommentModel =
                new V1RootCommentModel
            {
                Comments     = new List <V1CommentModel>(),
                ReplyCount   = chattyThread.Posts.Count,
                Body         = op.Body,
                Date         = op.Date,
                Participants = GetParticipants(chattyThread),
                Category     = op.Category,
                LastReplyId  = $"{chattyThread.Posts.Max(x => x.Id)}",
                Author       = op.Author,
                Preview      = ThreadParser.PreviewFromBody(op.Body),
                Id           = $"{op.Id}"
            };

            foreach (var post in chattyThread.Posts.Skip(1))
            {
                var v1CommentModel =
                    new V1CommentModel
                {
                    Comments = new List <V1CommentModel>(),
                    Body     = post.Body,
                    Date     = post.Date,
                    Category = post.Category,
                    Author   = post.Author,
                    Preview  = ThreadParser.PreviewFromBody(post.Body),
                    Id       = $"{post.Id}"
                };
                if (post.Depth == 1)
                {
                    v1RootCommentModel.Comments.Add(v1CommentModel);
                }
                else
                {
                    lastCommentAtDepth[post.Depth - 1].Comments.Add(v1CommentModel);
                }
                lastCommentAtDepth[post.Depth] = v1CommentModel;
            }
            var response = new V1ThreadModel
            {
                Comments = new List <V1RootCommentModel> {
                    v1RootCommentModel
                }
            };

            // the serializer has a maximum depth that is too low, even if you reconfigure it to the hard max.
            var sb      = new StringBuilder();
            var options = new JsonSerializerOptions {
                PropertyNamingPolicy = JsonNamingPolicy.CamelCase
            };

            sb.Append("{");
            AppendProperty(sb, "id", v1RootCommentModel.Id, options);
            AppendProperty(sb, "reply_count", v1RootCommentModel.ReplyCount, options);
            AppendProperty(sb, "body", v1RootCommentModel.Body, options);
            AppendProperty(sb, "date", V1DateTimeOffsetConverter.ToJsonString(v1RootCommentModel.Date), options);
            AppendProperty(sb, "participants", v1RootCommentModel.Participants, options);
            AppendProperty(sb, "category", V1ModerationFlagConverter.ToJsonString(v1RootCommentModel.Category), options);
            AppendProperty(sb, "last_reply_id", v1RootCommentModel.LastReplyId, options);
            AppendProperty(sb, "author", v1RootCommentModel.Author, options);
            AppendProperty(sb, "preview", v1RootCommentModel.Preview, options);
            sb.Append("\"comments\":[{");
            AppendProperty(sb, "id", v1RootCommentModel.Id, options);
            AppendProperty(sb, "body", v1RootCommentModel.Body, options);
            AppendProperty(sb, "date", V1DateTimeOffsetConverter.ToJsonString(v1RootCommentModel.Date), options);
            AppendProperty(sb, "category", V1ModerationFlagConverter.ToJsonString(v1RootCommentModel.Category), options);
            AppendProperty(sb, "author", v1RootCommentModel.Author, options);
            AppendProperty(sb, "preview", v1RootCommentModel.Preview, options);
            sb.Append("\"comments\":");
            AppendCommentList(sb, v1RootCommentModel.Comments, options);
            sb.Append("]}");
            return(Content(sb.ToString(), "application/json"));