public static List<Post> GetPostsOfPage(int _threadId, int _pageId)
        {
            int inThreadId = _threadId;

            string xmlFile = $"http://forum.mods.de/bb/xml/thread.php?TID={_threadId}&page={_pageId}";
            var xmlDoc = Helper.LoadXml(xmlFile);
            if (xmlDoc != null)
            {
                // if logged in, it's ChildNodes[9], not ChildNodes[8]
                int page = _pageId;
                int offset = Convert.ToInt32(xmlDoc.DocumentElement.ChildNodes[8].Attributes["offset"].Value);
                int inBoardId = Convert.ToInt32(xmlDoc.DocumentElement.ChildNodes[6].Attributes["id"].Value);

                int postsOnPage = xmlDoc.DocumentElement.ChildNodes[8].ChildNodes.Count;
                List<Post> posts = new List<Post>(postsOnPage);

                foreach (XmlNode node in xmlDoc.DocumentElement.ChildNodes[8])
                {
                    int id = Convert.ToInt32(node.Attributes["id"].Value);
                    bool banned;
                    if (node.ChildNodes[0].Attributes.Count > 2)
                    {
                        try
                        {
                            banned = Convert.ToBoolean(Convert.ToInt32(node.ChildNodes[0].Attributes["locked"].Value));
                        }
                        catch (NullReferenceException)
                        {
                            banned = false;
                        }
                    }
                    else
                    {
                        banned = false;
                    }

                    int avatarId;
                    string avatarUrl;
                    if (node.ChildNodes[3].Attributes.Count > 0)
                    {
                        try
                        {
                            avatarId = Convert.ToInt32(node.ChildNodes[3].Attributes["id"].Value);
                            avatarUrl = node.ChildNodes[3].InnerText;
                        }
                        catch (NullReferenceException)
                        {
                            avatarId = -1;
                            avatarUrl = String.Empty;
                        }
                    }
                    else
                    {
                        avatarId = -1;
                        avatarUrl = string.Empty;
                    }

                    int authorId = Convert.ToInt32(node.ChildNodes[0].Attributes["id"].Value);
                    int authorGroupId;

                    if (node.ChildNodes[0].Attributes.Count > 1)
                    {
                        try
                        {
                            authorGroupId = Convert.ToInt32(node.ChildNodes[0].Attributes["group-id"].Value);
                        }
                        catch (NullReferenceException)
                        {
                            authorGroupId = -1;
                        }
                    }
                    else
                    {
                        authorGroupId = -1;
                    }

                    string authorName = node.ChildNodes[0].InnerText;
                    Avatar avatar = new Avatar(avatarId, avatarUrl);

                    User author = new User(authorId, authorName, authorGroupId, avatar, banned);

                    double unixTimeStamp = Convert.ToInt32(node.ChildNodes[1].Attributes["timestamp"].Value);
                    DateTime creationDate = Helper.UnixTimeStampToDateTime(unixTimeStamp);

                    int editedCount = Convert.ToInt32(node.ChildNodes[2].ChildNodes[0].Attributes["count"].Value);

                    string message = node.ChildNodes[2].ChildNodes[1].InnerText;
                    string title = node.ChildNodes[2].ChildNodes[2].InnerText;

                    if (editedCount > 0)
                    {
                        string editUserName =
                            node.ChildNodes[2].ChildNodes[0].ChildNodes[0].ChildNodes[0].InnerText;
                        int editUserId =
                            Convert.ToInt32(
                                node.ChildNodes[2].ChildNodes[0].ChildNodes[0].ChildNodes[0].Attributes["id"].Value);
                        double editTimeStamp =
                            Convert.ToInt32(
                                node.ChildNodes[2].ChildNodes[0].ChildNodes[0].ChildNodes[1].Attributes["timestamp"].Value);

                        User editUser = new User(editUserId, editUserName);
                        Edit lastEdit = new Edit(editUser, editTimeStamp);

                        posts.Add(new Post(id, inThreadId, inBoardId, page, offset, author, creationDate, message, title,
                            editedCount, lastEdit));
                    }
                    else
                    {
                        posts.Add(new Post(id, inThreadId, inBoardId, page, offset, author, creationDate, message, title,
                            editedCount));
                    }
                }

                return posts;
            }

            return null;
        }
        public Post(int _id, int _threadId)
        {
            id = _id;
            inThreadId = _threadId;

            string xmlFile = $"http://forum.mods.de/bb/xml/thread.php?TID={_threadId}&PID={_id}";
            var xmlDoc = Helper.LoadXml(xmlFile);

            if (xmlDoc != null)
            {
                // if logged in, it's ChildNodes[9], not ChildNodes[8]
                page = Convert.ToInt32(xmlDoc.DocumentElement.ChildNodes[8].Attributes["page"].Value);
                offset = Convert.ToInt32(xmlDoc.DocumentElement.ChildNodes[8].Attributes["offset"].Value);
                inBoardId = Convert.ToInt32(xmlDoc.DocumentElement.ChildNodes[6].Attributes["id"].Value);

                foreach (XmlNode node in xmlDoc.DocumentElement.ChildNodes[8])
                {
                    if (_id == Convert.ToInt32(node.Attributes["id"].Value))
                    {
                        bool banned;
                        try
                        {
                            banned = Convert.ToBoolean(Convert.ToInt32(node.ChildNodes[0].Attributes["locked"].Value));
                        }
                        catch (NullReferenceException)
                        {
                            banned = false;
                        }

                        int avatarId = Convert.ToInt32(node.ChildNodes[3].Attributes["id"].Value);
                        string avatarUrl = node.ChildNodes[3].InnerText;

                        int authorId = Convert.ToInt32(node.ChildNodes[0].Attributes["id"].Value);
                        int authorGroupId = Convert.ToInt32(node.ChildNodes[0].Attributes["group-id"].Value);
                        string authorName = node.ChildNodes[0].InnerText;
                        Avatar avatar = new Avatar(avatarId, avatarUrl);

                        author = new User(authorId, authorName, authorGroupId, avatar, banned);

                        double unixTimeStamp = Convert.ToInt32(node.ChildNodes[1].Attributes["timestamp"].Value);
                        date = Helper.UnixTimeStampToDateTime(unixTimeStamp);

                        editedCount = Convert.ToInt32(node.ChildNodes[2].ChildNodes[0].Attributes["count"].Value);

                        if (EditedCount > 0)
                        {
                            string editUserName =
                                node.ChildNodes[2].ChildNodes[0].ChildNodes[0].ChildNodes[0].InnerText;
                            int editUserId =
                                Convert.ToInt32(
                                    node.ChildNodes[2].ChildNodes[0].ChildNodes[0].ChildNodes[0].Attributes["id"].Value);
                            double editTimeStamp =
                                Convert.ToInt32(
                                    node.ChildNodes[2].ChildNodes[0].ChildNodes[0].ChildNodes[1].Attributes["timestamp"]
                                        .Value);

                            User editUser = new User(editUserId, editUserName);
                            lastEdit = new Edit(editUser, editTimeStamp);
                        }

                        message = node.ChildNodes[2].ChildNodes[1].InnerText;
                        title = node.ChildNodes[2].ChildNodes[2].InnerText;

                        break;
                    }
                }
            }
        }