/// <summary>
        /// Creates a Metaweblog Post object from the XML struct
        /// </summary>
        /// <param name="node">XML contains a Metaweblog Post Struct</param>
        /// <returns>Metaweblog Post Struct Obejct</returns>
        private MWAPost GetPost(XmlNode node)
        {
            MWAPost temp = new MWAPost();
            List<string> cats = new List<string>();
            List<string> tags = new List<string>();

            // Require Title and Description
            try
            {
                temp.title = node.SelectSingleNode("value/struct/member[name='title']").LastChild.InnerText;
                temp.description = node.SelectSingleNode("value/struct/member[name='description']").LastChild.InnerText;
            }
            catch (Exception ex)
            {
                throw new MetaWeblogException("05", "Post Struct Element, Title or Description,  not Sent. (" + ex.Message + ")");
            }
            if (node.SelectSingleNode("value/struct/member[name='link']") == null)
                temp.link = "";
            else
                temp.link = node.SelectSingleNode("value/struct/member[name='link']").LastChild.InnerText;

            if (node.SelectSingleNode("value/struct/member[name='mt_allow_comments']") == null)
                temp.commentPolicy = "";
            else
                temp.commentPolicy = node.SelectSingleNode("value/struct/member[name='mt_allow_comments']").LastChild.InnerText;

            if (node.SelectSingleNode("value/struct/member[name='mt_excerpt']") == null)
                temp.excerpt = "";
            else
                temp.excerpt = node.SelectSingleNode("value/struct/member[name='mt_excerpt']").LastChild.InnerText;

            if (node.SelectSingleNode("value/struct/member[name='wp_slug']") == null)
                temp.slug = "";
            else
                temp.slug = node.SelectSingleNode("value/struct/member[name='wp_slug']").LastChild.InnerText;

            if (node.SelectSingleNode("value/struct/member[name='wp_author_id']") == null)
                temp.author = "";
            else
                temp.author = node.SelectSingleNode("value/struct/member[name='wp_author_id']").LastChild.InnerText;

            if (node.SelectSingleNode("value/struct/member[name='categories']") != null)
            {
                XmlNode categoryArray = node.SelectSingleNode("value/struct/member[name='categories']").LastChild;
                foreach (XmlNode catnode in categoryArray.SelectNodes("array/data/value/string"))
                {
                    cats.Add(catnode.InnerText);
                }
            }
            temp.categories = cats;

            // postDate has a few different names to worry about
            if (node.SelectSingleNode("value/struct/member[name='dateCreated']") != null)
            {
                try
                {
                    string tempDate = node.SelectSingleNode("value/struct/member[name='dateCreated']").LastChild.InnerText;
                    temp.postDate = DateTime.ParseExact(tempDate, "yyyyMMdd'T'HH':'mm':'ss", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal);
                }
                catch
                {
                    // Ignore PubDate Error
                }
            }
            else if (node.SelectSingleNode("value/struct/member[name='pubDate']") != null)
            {
                try
                {
                    string tempPubDate = node.SelectSingleNode("value/struct/member[name='pubDate']").LastChild.InnerText;
                    temp.postDate = DateTime.ParseExact(tempPubDate, "yyyyMMdd'T'HH':'mm':'ss", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal);
                }
                catch
                {
                    // Ignore PubDate Error
                }
            }

            // WLW tags implementation using mt_keywords
            if (node.SelectSingleNode("value/struct/member[name='mt_keywords']") != null)
            {
                string tagsList = node.SelectSingleNode("value/struct/member[name='mt_keywords']").LastChild.InnerText;
                foreach (string item in tagsList.Split(','))
                {
                    if (string.IsNullOrEmpty(tags.Find(delegate(string t) { return t.Equals(item.Trim(), StringComparison.OrdinalIgnoreCase); })))
                    {
                        tags.Add(item.Trim());
                    }
                }
            }
            temp.tags = tags;

            return temp;
        }
        /// <summary>
        /// Loads object properties with contents of passed xml
        /// </summary>
        /// <param name="xml">xml doc with methodname and parameters</param>
        private void LoadXMLRequest(string xml)
        {
            XmlDocument request = new XmlDocument();
            try
            {
                if (!(xml.StartsWith("<?xml") || xml.StartsWith("<method")))
                {
                    xml = xml.Substring(xml.IndexOf("<?xml"));
                }
                request.LoadXml(xml);
            }
            catch (Exception ex)
            {
                throw new MetaWeblogException("01", "Invalid XMLRPC Request. (" + ex.Message + ")");
            }

            // Method name is always first
            _methodName = request.DocumentElement.ChildNodes[0].InnerText;

            // Parameters are next (and last)
            _inputParams = new List<XmlNode>();
            foreach (XmlNode node in request.SelectNodes("/methodCall/params/param"))
            {
                _inputParams.Add(node);
            }

            // Determine what params are what by method name
            switch (_methodName)
            {
                case "metaWeblog.newPost":
                    _blogID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    _post = GetPost(_inputParams[3]);
                    if (_inputParams[4].InnerText == "0" || _inputParams[4].InnerText == "false")
                        _publish = false;
                    else
                        _publish = true;
                    break;
                case "metaWeblog.editPost":
                    _postID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    _post = GetPost(_inputParams[3]);
                    if (_inputParams[4].InnerText == "0" || _inputParams[4].InnerText == "false")
                        _publish = false;
                    else
                        _publish = true;
                    break;
                case "metaWeblog.getPost":
                    _postID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    break;
                case "metaWeblog.newMediaObject":
                    _blogID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    _media = GetMediaObject(_inputParams[3]);
                    break;
                case "metaWeblog.getCategories":
                case "wp.getAuthors":
                case "wp.getPageList":
                case "wp.getPages":
                case "wp.getTags":
                    _blogID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    break;
                case "metaWeblog.getRecentPosts":
                    _blogID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    _numberOfPosts = Int32.Parse(_inputParams[3].InnerText, CultureInfo.InvariantCulture);
                    break;
                case "blogger.getUsersBlogs":
                case "metaWeblog.getUsersBlogs":
                    _appKey = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    break;
                case "blogger.deletePost":
                    _appKey = _inputParams[0].InnerText;
                    _postID = _inputParams[1].InnerText;
                    _userName = _inputParams[2].InnerText;
                    _password = _inputParams[3].InnerText;
                    if (_inputParams[4].InnerText == "0" || _inputParams[4].InnerText == "false")
                        _publish = false;
                    else
                        _publish = true;
                    break;
                case "blogger.getUserInfo":
                    _appKey = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    break;
                case "wp.newPage":
                    _blogID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    _page = GetPage(_inputParams[3]);
                    if (_inputParams[4].InnerText == "0" || _inputParams[4].InnerText == "false")
                        _publish = false;
                    else
                        _publish = true;
                    break;
                case "wp.getPage":
                    _blogID = _inputParams[0].InnerText;
                    _pageID = _inputParams[1].InnerText;
                    _userName = _inputParams[2].InnerText;
                    _password = _inputParams[3].InnerText;
                    break;
                case "wp.editPage":
                    _blogID = _inputParams[0].InnerText;
                    _pageID = _inputParams[1].InnerText;
                    _userName = _inputParams[2].InnerText;
                    _password = _inputParams[3].InnerText;
                    _page = GetPage(_inputParams[4]);
                    if (_inputParams[5].InnerText == "0" || _inputParams[5].InnerText == "false")
                        _publish = false;
                    else
                        _publish = true;
                    break;
                case "wp.deletePage":
                    _blogID = _inputParams[0].InnerText;
                    _userName = _inputParams[1].InnerText;
                    _password = _inputParams[2].InnerText;
                    _pageID = _inputParams[3].InnerText;
                    break;
                default:
                    throw new MetaWeblogException("02", "未知方法. (" + _methodName + ")");

            }
        }
        /// <summary>
        /// 添加或修改文章
        /// </summary>
        /// <param name="blogID"></param>
        /// <param name="postID"></param>
        /// <param name="userName"></param>
        /// <param name="password"></param>
        /// <param name="sentPost"></param>
        /// <param name="publish"></param>
        /// <param name="operate"></param>
        /// <returns></returns>
        private int NewOrUpdatePost(string blogID, string postID, string userName, string password, MWAPost sentPost, bool publish, OperateType operate)
        {
            ValidateRequest(userName, password);

            PostInfo post = new PostInfo();

            if (operate == OperateType.Update)
            {
                post = PostService.GetPost(Jqpress.Framework.Utils.TypeConverter.StrToInt(postID, 0));

            }
            else
            {
                post.CommentCount = 0;
                post.ViewCount = 0;
                post.PostTime = DateTime.Now;

                UserInfo user = UserService.GetUser(userName);
                if (user != null)
                {
                    post.UserId = user.UserId;
                }
            }

            post.Title = Jqpress.Framework.Web.HttpHelper.HtmlEncode(sentPost.title);
            post.PostContent = sentPost.description;
            post.Status = publish == true ? 1 : 0;
            post.Slug = Jqpress.Framework.Utils.StringHelper.FilterSlug(sentPost.slug, "post", true);
            post.Summary = sentPost.excerpt;

            post.UrlFormat = (int)PostUrlFormat.Default;
            post.Template = string.Empty;
            post.Recommend = 0;
            post.TopStatus = 0;
            post.HideStatus = 0;
            post.UpdateTime = DateTime.Now;

            if (sentPost.commentPolicy != "")
            {
                if (sentPost.commentPolicy == "1")
                    post.CommentStatus = 1;
                else
                    post.CommentStatus = 0;
            }

            foreach (string item in sentPost.categories)
            {
                CategoryInfo cat;
                if (LookupCategoryGuidByName(item, out cat))
                {
                    post.CategoryId = cat.CategoryId;
                }
                else
                {
                    CategoryInfo newcat = new CategoryInfo();
                    newcat.PostCount = 0;
                    newcat.CreateTime = DateTime.Now;
                    newcat.Description = "由离线工具创建";
                    newcat.SortNum = 1000;
                    newcat.CateName = Jqpress.Framework.Web.HttpHelper.HtmlEncode(item);
                    newcat.Slug = Jqpress.Framework.Utils.StringHelper.FilterSlug(item, "cate", false);

                    newcat.CategoryId = CategoryService.InsertCategory(newcat);
                    post.CategoryId = newcat.CategoryId;
                }
            }
            post.Tag = GetTagIdList(sentPost.tags);

            if (operate == OperateType.Update)
            {
                PostService.UpdatePost(post);
            }
            else
            {
                post.PostId = PostService.InsertPost(post);

                //    SendEmail(p);
            }

            return post.PostId;
        }
        /// <summary>
        /// metaWeblog.newPost
        /// </summary>
        /// <param name="blogID">always 1000 in BlogEngine since it is a singlar blog instance</param>
        /// <param name="userName">login username</param>
        /// <param name="password">login password</param>
        /// <param name="sentPost">struct with post details</param>
        /// <param name="publish">mark as published?</param>
        /// <returns>postID as string</returns>
        internal string NewPost(string blogID, string userName, string password, MWAPost sentPost, bool publish)
        {
            ValidateRequest(userName, password);

            return NewOrUpdatePost(blogID, "", userName, password, sentPost, publish, OperateType.Insert).ToString();
        }
        /// <summary>
        /// metaWeblog.getRecentPosts
        /// </summary>
        /// <param name="blogID">always 1000 in BlogEngine since it is a singlar blog instance</param>
        /// <param name="userName">login username</param>
        /// <param name="password">login password</param>
        /// <param name="numberOfPosts">number of posts to return</param>
        /// <returns>array of post structs</returns>
        internal List<MWAPost> GetRecentPosts(string blogID, string userName, string password, int numberOfPosts)
        {
            ValidateRequest(userName, password);

            List<MWAPost> sendPosts = new List<MWAPost>();

            int userid = 0;
            UserInfo user = UserService.GetUser(userName);
            if (user != null)
            {
                userid = user.UserId;
            }

            List<PostInfo> posts = PostService.GetPostList(numberOfPosts, -1, userid, -1, -1, -1, -1);

            foreach (PostInfo post in posts)
            {
                MWAPost tempPost = new MWAPost();
                List<string> tempCats = new List<string>();
                List<string> tempTags = new List<string>();

                tempPost.postID = post.PostId.ToString();
                tempPost.postDate = post.PostTime;
                tempPost.title = Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Title);
                tempPost.description = post.PostContent;
                tempPost.link = post.Url;
                tempPost.slug = Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Slug);
                tempPost.excerpt = post.Summary;
                if (post.CommentStatus == 1)
                    tempPost.commentPolicy = "";
                else
                    tempPost.commentPolicy = "0";
                tempPost.publish = post.Status == 1 ? true : false;

                tempCats.Add(Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Category.CateName));
                tempPost.categories = tempCats;

                for (int i = 0; i < post.Tags.Count; i++)
                {
                    tempTags.Add(Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Tags[i].CateName));
                }
                tempPost.tags = tempTags;

                sendPosts.Add(tempPost);
            }
            return sendPosts;
        }
        /// <summary>
        /// metaWeblog.getPost
        /// </summary>
        /// <param name="postID">post guid in string format</param>
        /// <param name="userName">login username</param>
        /// <param name="password">login password</param>
        /// <returns>struct with post details</returns>
        internal MWAPost GetPost(string postID, string userName, string password)
        {
            ValidateRequest(userName, password);

            MWAPost sendPost = new MWAPost();

            PostInfo post = PostService.GetPost(Jqpress.Framework.Utils.TypeConverter.StrToInt(postID, 0));

            sendPost.postID = post.PostId.ToString();
            sendPost.postDate = post.PostTime;
            sendPost.title = Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Title);
            sendPost.description = post.PostContent;
            sendPost.link = post.Url;
            sendPost.slug = Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Slug);
            sendPost.excerpt = post.Summary;
            if (post.CommentStatus == 1)
            {
                sendPost.commentPolicy = "1";
            }
            else
            {
                sendPost.commentPolicy = "0";
            }

            sendPost.publish = post.Status == 1 ? true : false;

            List<string> cats = new List<string>();
            cats.Add(Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Category.CateName));
            sendPost.categories = cats;

            List<string> tags = new List<string>();
            for (int i = 0; i < post.Tags.Count; i++)
            {
                tags.Add(Jqpress.Framework.Web.HttpHelper.HtmlDecode(post.Tags[i].CateName));
            }
            sendPost.tags = tags;

            return sendPost;
        }
        /// <summary>
        /// metaWeblog.editPost
        /// </summary>
        /// <param name="postID">post guid in string format</param>
        /// <param name="userName">login username</param>
        /// <param name="password">login password</param>
        /// <param name="sentPost">struct with post details</param>
        /// <param name="publish">mark as published?</param>
        /// <returns>1 if successful</returns>
        internal bool EditPost(string postID, string userName, string password, MWAPost sentPost, bool publish)
        {
            ValidateRequest(userName, password);

            NewOrUpdatePost("", postID, userName, password, sentPost, publish, OperateType.Update);

            return true;
        }