minor change

src/Infrastructure/BotSharp.Abstraction/Files/IFileBasicService.cs

@@ -53,7 +53,9 @@ public interface IFileBasicService
     #region Common
     string GetDirectory(string conversationId);
     byte[] GetFileBytes(string fileStorageUrl);
-    bool SavefileToPath(string filePath, Stream stream);
+    bool SaveFileStreamToPath(string filePath, Stream stream);
+    bool SaveFileBytesToPath(string filePath, byte[] bytes);
+    string GetParentDir(string dir, int level = 1);
     bool ExistDirectory(string? dir);
     void CreateDirectory(string dir);
     void DeleteDirectory(string dir);

src/Infrastructure/BotSharp.Core/Files/Services/Basic/FileBasicService.Common.cs

@@ -22,8 +22,10 @@ public partial class FileBasicService
         return bytes;
     }
 
-    public bool SavefileToPath(string filePath, Stream stream)
+    public bool SaveFileStreamToPath(string filePath, Stream stream)
     {
+        if (string.IsNullOrEmpty(filePath)) return false;
+
         using (var fileStream = new FileStream(filePath, FileMode.Create))
         {
             stream.CopyTo(fileStream);
@@ -31,6 +33,23 @@ public partial class FileBasicService
         return true;
     }
 
+    public bool SaveFileBytesToPath(string filePath, byte[] bytes)
+    {
+        using (var fs = new FileStream(filePath, FileMode.Create))
+        {
+            fs.Write(bytes, 0, bytes.Length);
+            fs.Flush();
+            fs.Close();
+        }
+        return true;
+    }
+
+    public string GetParentDir(string dir, int level = 1)
+    {
+        var segs = dir.Split(Path.DirectorySeparatorChar);
+        return string.Join(Path.DirectorySeparatorChar, segs.SkipLast(level));
+    }
+
     public string BuildDirectory(params string[] segments)
     {
         var relativePath = Path.Combine(segments);

src/Infrastructure/BotSharp.Core/Files/Services/Instruct/FileInstructService.Pdf.cs

@@ -82,13 +82,8 @@ public partial class FileInstructService
                     DeleteIfExistDirectory(fileDir);
 
                     var pdfDir = _fileBasic.BuildDirectory(fileDir, $"{guid}.{extension}");
-                    using (var fs = new FileStream(pdfDir, FileMode.Create))
-                    {
-                        fs.Write(bytes, 0, bytes.Length);
-                        fs.Close();
-                        locs.Add(pdfDir);
-                        Thread.Sleep(100);
-                    }
+                    _fileBasic.SaveFileBytesToPath(pdfDir, bytes);
+                    locs.Add(pdfDir);
                 }
             }
             catch (Exception ex)
@@ -113,8 +108,7 @@ public partial class FileInstructService
         {
             try
             {
-                var segs = file.Split(Path.DirectorySeparatorChar);
-                var dir = string.Join(Path.DirectorySeparatorChar, segs.SkipLast(1));
+                var dir = _fileBasic.GetParentDir(file);
                 var folder = _fileBasic.BuildDirectory(dir, "screenshots");
                 var urls = await converter.ConvertPdfToImages(file, folder);
                 images.AddRange(urls);

src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs

@@ -357,7 +357,7 @@ public class ConversationController : ControllerBase
                 var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
                 var filePath = Path.Combine(dir, fileName);
 
-                fileService.SavefileToPath(filePath, file.OpenReadStream());
+                fileService.SaveFileStreamToPath(filePath, file.OpenReadStream());
             }
 
             return Ok(new { message = "File uploaded successfully." });

src/Plugins/BotSharp.Plugin.TencentCos/Services/TencentCosService.Common.cs

@@ -1,3 +1,5 @@
+using System.IO;
+
 namespace BotSharp.Plugin.TencentCos.Services;
 
 public partial class TencentCosService
@@ -21,7 +23,7 @@ public partial class TencentCosService
         return Array.Empty<byte>();
     }
 
-    public bool SavefileToPath(string filePath, Stream stream)
+    public bool SaveFileStreamToPath(string filePath, Stream stream)
     {
         if (string.IsNullOrEmpty(filePath)) return false;
 
@@ -31,11 +33,32 @@ public partial class TencentCosService
         }
         catch (Exception ex)
         {
-            _logger.LogWarning($"Error when saving file to path: {ex.Message}\r\n{ex.InnerException}");
+            _logger.LogWarning($"Error when saving file stream to path: {ex.Message}\r\n{ex.InnerException}");
             return false;
         }
     }
 
+    public bool SaveFileBytesToPath(string filePath, byte[] bytes)
+    {
+        if (string.IsNullOrEmpty(filePath)) return false;
+
+        try
+        {
+            return _cosClient.BucketClient.UploadBytes(filePath, bytes);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning($"Error when saving file bytes to path: {ex.Message}\r\n{ex.InnerException}");
+            return false;
+        }
+    }
+
+    public string GetParentDir(string dir, int level = 1)
+    {
+        var segs = dir.Split("/");
+        return string.Join("/", segs.SkipLast(level));
+    }
+
     public string BuildDirectory(params string[] segments)
     {
         return string.Join("/", segments);