优化

Program.cs

@@ -292,7 +292,7 @@ namespace dy.net
                 connString = CreateSqliteDBConn();
             }
 
-            if (string.IsNullOrEmpty(connString))
+            if (string.IsNullOrWhiteSpace(connString))
             {
                 return null;
             }

job/DouYinCollectSyncJob.cs

@@ -56,7 +56,7 @@ namespace dy.net.job
             foreach (var cookie in cookies)
             {
                 Serilog.Log.Debug($"collect-开始同步 Cookie-[{cookie.UserName}]收藏视频");
-                if (string.IsNullOrEmpty(cookie.Cookies)|| cookie.Cookies.Length<1000)
+                if (string.IsNullOrWhiteSpace(cookie.Cookies)|| cookie.Cookies.Length<1000)
                 {
                     Serilog.Log.Debug($"collect-Cookie-[{cookie.UserName}]无效，跳过");
                     continue;
@@ -67,7 +67,9 @@ namespace dy.net.job
 
                     int index = 0;
                     bool hasMore = true;
+
                     string cursor = "0"; 
+
                     while (hasMore)
                     {
                         var data = await _douyinService.SyncCollectVideos(cursor, count, cookie.Cookies);
@@ -78,7 +80,9 @@ namespace dy.net.job
                             Serilog.Log.Debug($"collect-Cookie[{cookie.UserName}]获取收藏数据失败，请检查一下Cookie");
                             break;
                         }
-                        cursor = data != null && !string.IsNullOrEmpty(data.Cursor) ? data.Cursor : "0";
+                        cursor = data != null && !string.IsNullOrWhiteSpace(data.Cursor) ? data.Cursor : "0";
+
+
                         if (data.AwemeList == null || !data.AwemeList.Any())
                         {
                             break;
@@ -98,7 +102,7 @@ namespace dy.net.job
                             if (v == null) continue;
 
                             var videoUrl = v.PlayAddr.UrlList != null && v.PlayAddr.UrlList.Any() ? v.PlayAddr.UrlList[0] : null;
-                            if (string.IsNullOrEmpty(videoUrl)) continue;
+                            if (string.IsNullOrWhiteSpace(videoUrl)) continue;
 
                             var tag1 = tags.FirstOrDefault(x => x.Level == 1)?.TagName;
                             var tag2 = tags.FirstOrDefault(x => x.Level == 2)?.TagName;
@@ -115,6 +119,8 @@ namespace dy.net.job
 
                             if (!File.Exists(savePath))
                             {
+                                Serilog.Log.Debug($"collect-视频[{SanitizePath(item.Desc)}]开始下载");
+
                                 var downVideo = await _douyinService.DownloadAsync(videoUrl, savePath, cookie.Cookies);
                                 Serilog.Log.Debug($"collect-视频[{SanitizePath(item.Desc)}]下载{(downVideo ? "成功" : "失败")}");
                                 if (downVideo)
@@ -193,7 +199,7 @@ namespace dy.net.job
                                 // 收集所有需要删除的目录（去重）
                                 foreach (var video in videos)
                                 {
-                                    if (!string.IsNullOrEmpty(video.VideoSavePath) && Directory.Exists(video.VideoSavePath))
+                                    if (!string.IsNullOrWhiteSpace(video.VideoSavePath) && Directory.Exists(video.VideoSavePath))
                                     {
                                         var deletePath = Path.GetDirectoryName(video.VideoSavePath);
                                         Directory.Delete(deletePath, recursive: true);
@@ -237,7 +243,7 @@ namespace dy.net.job
         {
             var coverUrl = item.Video.Cover.UrlList != null && item.Video.Cover.UrlList.Any()
                 ? item.Video.Cover.UrlList[0] : null;
-            if (string.IsNullOrEmpty(coverUrl)) return;
+            if (string.IsNullOrWhiteSpace(coverUrl)) return;
 
             var coverImgName = "poster.jpg";
             var coverSavePath = Path.Combine(saveFolder, coverImgName);
@@ -268,7 +274,7 @@ namespace dy.net.job
 
             var avatarUrl = item.Author.AvatarLarger?.UrlList != null && item.Author.AvatarLarger.UrlList.Any()
                 ? item.Author.AvatarLarger.UrlList[0] : null;
-            if (string.IsNullOrEmpty(avatarUrl)) return;
+            if (string.IsNullOrWhiteSpace(avatarUrl)) return;
             var path = Path.Combine(mainPath, "author");
             if (!Directory.Exists(path))
             {
@@ -293,10 +299,10 @@ namespace dy.net.job
         private static string CreateSaveFolder(DyUserCookies cookie, Aweme item, string? tag1, string? tag2)
         {
             // 路径中避免特殊字符，用ID替代描述
-            var safeTag1 = string.IsNullOrEmpty(tag1) ? "other" : SanitizePath(tag1);
+            var safeTag1 = string.IsNullOrWhiteSpace(tag1) ? "other" : SanitizePath(tag1);
             List<string> pathParts = new List<string> { cookie.SavePath, safeTag1 };
             return Path.Combine(pathParts[0], string.Join("-", pathParts.Skip(1)), SanitizePath(item.Desc) + "@" + item.AwemeId);
-            //if (string.IsNullOrEmpty(tag2))
+            //if (string.IsNullOrWhiteSpace(tag2))
             //    return Path.Combine(pathParts[0], string.Join("-", pathParts.Skip(1)), SanitizePath(item.Desc) + "@" + item.AwemeId);
             //else
             //    return Path.Combine(pathParts[0], string.Join("-", pathParts.Skip(1)), tag2 + "@" + item.AwemeId);
@@ -305,6 +311,10 @@ namespace dy.net.job
         // 清理路径中的特殊字符（避免创建文件夹失败）
         private static string SanitizePath(string path)
         {
+            if (string.IsNullOrWhiteSpace(path))
+            {
+                path = "其他";
+            }
             foreach (var c in Path.GetInvalidFileNameChars())
             {
                 path = path.Replace(c, '_');

job/DouYinFavoritSyncJob.cs

@@ -51,17 +51,17 @@ namespace dy.net.job
             foreach (var cookie in cookies)
             {
                 Serilog.Log.Debug($"favorite-开始同步 Cookie-[{cookie.UserName}]喜欢的视频");
-                if (string.IsNullOrEmpty(cookie.Cookies)|| cookie.Cookies.Length<1000)
+                if (string.IsNullOrWhiteSpace(cookie.Cookies)|| cookie.Cookies.Length<1000)
                 {
                     Serilog.Log.Debug($"favorite-Cookie-[{cookie.UserName}]无效，跳过");
                     continue;
                 }
-                if(string.IsNullOrEmpty(cookie.FavSavePath))
+                if(string.IsNullOrWhiteSpace(cookie.FavSavePath))
                 {
                     Serilog.Log.Debug($"favorite-Cookie-[{cookie.UserName}]未设置保存路径，跳过");
                     continue;
                 }
-                if (string.IsNullOrEmpty(cookie.SecUserId)) { 
+                if (string.IsNullOrWhiteSpace(cookie.SecUserId)|| cookie.SecUserId.Length<10) { 
                     Serilog.Log.Debug($"favorite-Cookie-[{cookie.UserName}]未设置SecUserId，跳过");
                     continue;
                 }
@@ -82,7 +82,8 @@ namespace dy.net.job
                             Serilog.Log.Debug($"favorite-Cookie[{cookie.UserName}]获取喜欢的数据失败，请检查一下Cookie和sec_user_id");
                             break;
                         }
-                        cursor = data != null && !string.IsNullOrEmpty(data.MaxCursor) ? data.MaxCursor : "0";
+                        cursor = data != null && !string.IsNullOrWhiteSpace(data.MaxCursor) ? data.MaxCursor : "0";
+
                         if (data.AwemeList == null || !data.AwemeList.Any())
                         {
                             break;
@@ -102,7 +103,7 @@ namespace dy.net.job
                             if (v == null) continue;
 
                             var videoUrl = v.PlayAddr.UrlList != null && v.PlayAddr.UrlList.Any() ? v.PlayAddr.UrlList[0] : null;
-                            if (string.IsNullOrEmpty(videoUrl)) continue;
+                            if (string.IsNullOrWhiteSpace(videoUrl)) continue;
 
                             var tag1 = tags.FirstOrDefault(x => x.Level == 1)?.TagName;
                             var tag2 = tags.FirstOrDefault(x => x.Level == 2)?.TagName;
@@ -119,6 +120,8 @@ namespace dy.net.job
 
                             if (!File.Exists(savePath))
                             {
+                                Serilog.Log.Debug($"favorite-视频[{SanitizePath(item.Desc)}]开始下载");
+
                                 var downVideo = await _douyinService.DownloadAsync(videoUrl, savePath, cookie.Cookies);
                                 Serilog.Log.Debug($"favorite-视频[{SanitizePath(item.Desc)}]下载{(downVideo ? "成功" : "失败")}");
                                 if (downVideo)
@@ -197,7 +200,7 @@ namespace dy.net.job
                                 // 收集所有需要删除的目录（去重）
                                 foreach (var video in videos)
                                 {
-                                    if (!string.IsNullOrEmpty(video.VideoSavePath) && Directory.Exists(video.VideoSavePath))
+                                    if (!string.IsNullOrWhiteSpace(video.VideoSavePath) && Directory.Exists(video.VideoSavePath))
                                     {
                                         var deletePath = Path.GetDirectoryName(video.VideoSavePath);
                                         Directory.Delete(deletePath, recursive: true);
@@ -241,7 +244,7 @@ namespace dy.net.job
         {
             var coverUrl = item.Video.Cover.UrlList != null && item.Video.Cover.UrlList.Any()
                 ? item.Video.Cover.UrlList[0] : null;
-            if (string.IsNullOrEmpty(coverUrl)) return;
+            if (string.IsNullOrWhiteSpace(coverUrl)) return;
 
             var coverImgName = "poster.jpg";
             var coverSavePath = Path.Combine(saveFolder, coverImgName);
@@ -273,11 +276,11 @@ namespace dy.net.job
             var avatarUrl = item.Author.AvatarLarger?.UrlList != null && item.Author.AvatarLarger.UrlList.Any()
                 ? item.Author.AvatarLarger.UrlList[0] : null;
 
-            if (string.IsNullOrEmpty(avatarUrl)) {
+            if (string.IsNullOrWhiteSpace(avatarUrl)) {
                 avatarUrl = item.Author.AvatarThumb?.UrlList != null && item.Author.AvatarThumb.UrlList.Any()
                     ? item.Author.AvatarThumb.UrlList[0] : null;
             }
-                if (string.IsNullOrEmpty(avatarUrl)) return;
+                if (string.IsNullOrWhiteSpace(avatarUrl)) return;
             var path = Path.Combine(mainPath, "author");
             if (!Directory.Exists(path))
             {
@@ -302,10 +305,10 @@ namespace dy.net.job
         private static string CreateSaveFolder(DyUserCookies cookie, Aweme item, string? tag1, string? tag2)
         {
             // 路径中避免特殊字符，用ID替代描述
-            var safeTag1 = string.IsNullOrEmpty(tag1) ? "other" : SanitizePath(tag1);
+            var safeTag1 = string.IsNullOrWhiteSpace(tag1) ? "other" : SanitizePath(tag1);
             List<string> pathParts = new List<string> { cookie.FavSavePath, safeTag1 };
             return Path.Combine(pathParts[0], string.Join("-", pathParts.Skip(1)), SanitizePath(item.Desc) + "@" + item.AwemeId);
-            //if (string.IsNullOrEmpty(tag2))
+            //if (string.IsNullOrWhiteSpace(tag2))
             //    return Path.Combine(pathParts[0], string.Join("-", pathParts.Skip(1)), SanitizePath(item.Desc) + "@" + item.AwemeId);
             //else
             //    return Path.Combine(pathParts[0], string.Join("-", pathParts.Skip(1)), tag2 + "@" + item.AwemeId);
@@ -314,6 +317,10 @@ namespace dy.net.job
         // 清理路径中的特殊字符（避免创建文件夹失败）
         private static string SanitizePath(string path)
         {
+            if (string.IsNullOrWhiteSpace(path))
+            {
+                path = "其他";
+            }
             foreach (var c in Path.GetInvalidFileNameChars())
             {
                 path = path.Replace(c, '_');

model/DyCollectVideo.cs

@@ -125,6 +125,6 @@ namespace dy.net.model
         public string ViedoTypeStr  => ViedoType == "1" ? "我喜欢的" : "我收藏的";
 
         [SugarColumn(IsIgnore = true)]
-        public string ViedoCate =>(string.IsNullOrEmpty(Tag1) ? "" : Tag1) + "/" + (string.IsNullOrEmpty(Tag2) ? "" : Tag2);
+        public string ViedoCate =>(string.IsNullOrWhiteSpace(Tag1) ? "" : Tag1) + "/" + (string.IsNullOrWhiteSpace(Tag2) ? "" : Tag2);
     }
 }

model/DyUserCookies.cs

@@ -41,5 +41,16 @@ namespace dy.net.model
         /// </summary>
         [SugarColumn(Length =500,IsNullable =true)]
         public string FavSavePath { get; set; }
+
+        ///// <summary>
+        ///// 最新收藏夹的分页页码
+        ///// </summary>
+        //[SugarColumn(Length =500,IsNullable =true)]
+        //public string CollectMaxCursor { get; set; }
+        ///// <summary>
+        ///// 最新我喜欢的分页页码
+        ///// </summary>
+        //[SugarColumn(Length = 500, IsNullable = true)]
+        //public string FavoriteMaxCursor { get; set; }
     }
 }

repository/DyCollectVideoRepository.cs

@@ -36,11 +36,11 @@ namespace dy.net.repository
             }
 
             var where = this.Db.Queryable<DyCollectVideo>()
-                .WhereIF(!string.IsNullOrEmpty(tag), x => x.Tag1 == tag)
+                .WhereIF(!string.IsNullOrWhiteSpace(tag), x => x.Tag1 == tag)
-                .WhereIF(!string.IsNullOrEmpty(author), x => x.Author == author)
+                .WhereIF(!string.IsNullOrWhiteSpace(author), x => x.Author == author)
                 .WhereIF(start.HasValue, x => x.SyncTime >= start.Value)
                 .WhereIF(end.HasValue, x => x.SyncTime <= end.Value)
-                .WhereIF(!string.IsNullOrEmpty(viedoType) && viedoType != "*", x => x.ViedoType == viedoType);
+                .WhereIF(!string.IsNullOrWhiteSpace(viedoType) && viedoType != "*", x => x.ViedoType == viedoType);
 
 
             var totalCount = await where.CountAsync();

repository/UserRepository.cs

@@ -20,7 +20,7 @@ namespace dy.net.repository
         /// <returns></returns>
         public async Task<(int code, string erro)> UpdatePwd(UpdatePwdRequest loginUser)
         {
-            if (string.IsNullOrEmpty(loginUser.UserId))
+            if (string.IsNullOrWhiteSpace(loginUser.UserId))
             {
                 return (-1, "用户不存在");
             }
@@ -52,7 +52,7 @@ namespace dy.net.repository
 
         public async Task<LoginUserInfo> GetUser()
         {
-            return await this.GetFirstAsync(x=>!string.IsNullOrEmpty(x.Id));
+            return await this.GetFirstAsync(x=>!string.IsNullOrWhiteSpace(x.Id));
         }
 
 
@@ -84,7 +84,7 @@ namespace dy.net.repository
         /// <returns></returns>
         public  (int code, string erro) InitUser(LoginUserInfo userInfo)
         {
-            var isInit =  this.GetFirst(x=>!string.IsNullOrEmpty(x.Id));
+            var isInit =  this.GetFirst(x=>!string.IsNullOrWhiteSpace(x.Id));
             if (isInit!=null)
             {
                 return (-1, "系统用户已存在");

service/CommonService.cs

@@ -53,7 +53,7 @@ namespace dy.net.service
         /// </summary>
         public void UpdateCollectViedoType()
         {
-            var collectViedos= sqlSugarClient.Queryable<DyCollectVideo>().Where(x=>string.IsNullOrEmpty(x.ViedoType)).ToList();
+            var collectViedos= sqlSugarClient.Queryable<DyCollectVideo>().Where(x=>string.IsNullOrWhiteSpace(x.ViedoType)).ToList();
 
             if (collectViedos.Any())
             {

service/DyHttpClientService.cs

@@ -28,17 +28,17 @@ namespace dy.net.service
         /// <returns></returns>
         public async Task<CollectVideoInfo> SyncCollectVideos(string cursor, string count, string cookie)
         {
-            if (string.IsNullOrEmpty(cursor))
+            if (string.IsNullOrWhiteSpace(cursor))
             {
                 throw new ArgumentException($"“{nameof(cursor)}”不能为 null 或空。", nameof(cursor));
             }
 
-            if (string.IsNullOrEmpty(count))
+            if (string.IsNullOrWhiteSpace(count))
             {
                 throw new ArgumentException($"“{nameof(count)}”不能为 null 或空。", nameof(count));
             }
 
-            if (string.IsNullOrEmpty(cookie))
+            if (string.IsNullOrWhiteSpace(cookie))
             {
                 throw new ArgumentException($"“{nameof(cookie)}”不能为 null 或空。", nameof(cookie));
             }
@@ -94,17 +94,17 @@ namespace dy.net.service
         /// <exception cref="ArgumentException"></exception>
         public async Task<CollectVideoInfo> SyncFavoriteVideos(string cursor, string secUserId, string cookie)
         {
-            if (string.IsNullOrEmpty(cursor))
+            if (string.IsNullOrWhiteSpace(cursor))
             {
                 throw new ArgumentException($"“{nameof(cursor)}”不能为 null 或空。", nameof(cursor));
             }
 
-            if (string.IsNullOrEmpty(secUserId))
+            if (string.IsNullOrWhiteSpace(secUserId))
             {
                 throw new ArgumentException($"“{nameof(secUserId)}”不能为 null 或空。", nameof(secUserId));
             }
 
-            if (string.IsNullOrEmpty(cookie))
+            if (string.IsNullOrWhiteSpace(cookie))
             {
                 throw new ArgumentException($"“{nameof(cookie)}”不能为 null 或空。", nameof(cookie));
             }

utils/BogusManager.cs

@@ -81,7 +81,7 @@ namespace dy.net.utils
             if (isUrl)
             {
                 var uri = new Uri(input);
-                var newQuery = string.IsNullOrEmpty(uri.Query)
+                var newQuery = string.IsNullOrWhiteSpace(uri.Query)
                     ? $"X-Bogus={xbValue}"
                     : $"{uri.Query.Substring(1)}&X-Bogus={xbValue}";
                 return ($"{uri.Scheme}://{uri.Host}{uri.AbsolutePath}?{newQuery}", xbValue);

utils/NfoFileGenerator.cs

@@ -18,23 +18,23 @@ namespace dy.net.utils
             if (videoInfo == null)
                 throw new ArgumentNullException(nameof(videoInfo));
 
-            if (string.IsNullOrEmpty(filePath))
+            if (string.IsNullOrWhiteSpace(filePath))
                 throw new ArgumentException("文件路径不能为空", nameof(filePath));
 
             // 创建根元素
             XElement root = new XElement("movie"); // 对于电影使用"movie"，电视剧可以使用"tvshow"
 
             // 添加视频信息
-            if (!string.IsNullOrEmpty(videoInfo.Title))
+            if (!string.IsNullOrWhiteSpace(videoInfo.Title))
                 root.Add(new XElement("title", videoInfo.Title));
 
-            if (!string.IsNullOrEmpty(videoInfo.Author))
+            if (!string.IsNullOrWhiteSpace(videoInfo.Author))
                 root.Add(new XElement("author", videoInfo.Author));
 
-            if (!string.IsNullOrEmpty(videoInfo.Thumbnail))
+            if (!string.IsNullOrWhiteSpace(videoInfo.Thumbnail))
                 root.Add(new XElement("thumb", new XAttribute("aspect", "poster"), videoInfo.Thumbnail));
 
-            if (!string.IsNullOrEmpty(videoInfo.Poster))
+            if (!string.IsNullOrWhiteSpace(videoInfo.Poster))
                 root.Add(new XElement("fanart",
                     new XElement("thumb", videoInfo.Poster)
                 ));

utils/NfoGenerator.cs

@@ -21,29 +21,29 @@ namespace dy.net.utils
                 XElement root = new XElement("movie");
 
                 // 添加基本信息
-                if (!string.IsNullOrEmpty(videoInfo.Title))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Title))
                     root.Add(new XElement("title", videoInfo.Title));
 
-                if (!string.IsNullOrEmpty(videoInfo.OriginalTitle))
+                if (!string.IsNullOrWhiteSpace(videoInfo.OriginalTitle))
                     root.Add(new XElement("originaltitle", videoInfo.OriginalTitle));
 
-                if (!string.IsNullOrEmpty(videoInfo.SortTitle))
+                if (!string.IsNullOrWhiteSpace(videoInfo.SortTitle))
                     root.Add(new XElement("sorttitle", videoInfo.SortTitle));
 
                 if (videoInfo.Year > 0)
                     root.Add(new XElement("year", videoInfo.Year));
 
-                if (!string.IsNullOrEmpty(videoInfo.Plot))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Plot))
                     root.Add(new XElement("plot", videoInfo.Plot));
 
-                if (!string.IsNullOrEmpty(videoInfo.Outline))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Outline))
                     root.Add(new XElement("outline", videoInfo.Outline));
 
-                if (!string.IsNullOrEmpty(videoInfo.Tagline))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Tagline))
                     root.Add(new XElement("tagline", videoInfo.Tagline));
 
                 // 添加人员信息
-                if (!string.IsNullOrEmpty(videoInfo.Director))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Director))
                     root.Add(new XElement("director", videoInfo.Director));
 
                 // 添加演员
@@ -61,7 +61,7 @@ namespace dy.net.utils
                 }
 
                 // 添加媒体信息
-                if (!string.IsNullOrEmpty(videoInfo.Genre))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Genre))
                     root.Add(new XElement("genre", videoInfo.Genre));
 
                 if (videoInfo.Rating > 0)
@@ -70,36 +70,36 @@ namespace dy.net.utils
                 if (videoInfo.Votes > 0)
                     root.Add(new XElement("votes", videoInfo.Votes));
 
-                if (!string.IsNullOrEmpty(videoInfo.Studio))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Studio))
                     root.Add(new XElement("studio", videoInfo.Studio));
 
                 if (videoInfo.Premiered.HasValue)
                     root.Add(new XElement("premiered", videoInfo.Premiered.Value.ToString("yyyy-MM-dd")));
 
-                if (!string.IsNullOrEmpty(videoInfo.Runtime))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Runtime))
                     root.Add(new XElement("runtime", videoInfo.Runtime));
 
                 // 添加文件信息
-                if (!string.IsNullOrEmpty(videoInfo.FileName))
+                if (!string.IsNullOrWhiteSpace(videoInfo.FileName))
                     root.Add(new XElement("filenameandpath", videoInfo.FileName));
 
                 if (videoInfo.FileSize > 0)
                     root.Add(new XElement("filesize", videoInfo.FileSize));
 
                 // 添加新增字段
-                if (!string.IsNullOrEmpty(videoInfo.Country))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Country))
                     root.Add(new XElement("country", videoInfo.Country));
 
-                if (!string.IsNullOrEmpty(videoInfo.Language))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Language))
                     root.Add(new XElement("language", videoInfo.Language));
 
-                if (!string.IsNullOrEmpty(videoInfo.VideoCodec))
+                if (!string.IsNullOrWhiteSpace(videoInfo.VideoCodec))
                     root.Add(new XElement("codec", videoInfo.VideoCodec));
 
-                if (!string.IsNullOrEmpty(videoInfo.AudioCodec))
+                if (!string.IsNullOrWhiteSpace(videoInfo.AudioCodec))
                     root.Add(new XElement("audiocodec", videoInfo.AudioCodec));
 
-                if (!string.IsNullOrEmpty(videoInfo.Resolution))
+                if (!string.IsNullOrWhiteSpace(videoInfo.Resolution))
                     root.Add(new XElement("resolution", videoInfo.Resolution));
 
                 // 创建文档并保存
@@ -110,7 +110,7 @@ namespace dy.net.utils
 
                 // 确保目录存在
                 var directory = Path.GetDirectoryName(outputPath);
-                if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory))
+                if (!string.IsNullOrWhiteSpace(directory) && !Directory.Exists(directory))
                 {
                     Directory.CreateDirectory(directory);
                 }