Improved error handling in Microsoft Word export (#586)

app/MindWork AI Studio/Assistants/I18N/allTexts.lua

@@ -1819,6 +1819,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::PROFILESELECTION::T918741365"] = "You can
 -- Provider
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::PROVIDERSELECTION::T900237532"] = "Provider"
 
+-- Failed to load file content
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::READFILECONTENT::T1989554334"] = "Failed to load file content"
+
 -- Videos are not supported yet
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::READFILECONTENT::T2928927510"] = "Videos are not supported yet"
 
@@ -5890,6 +5893,12 @@ UI_TEXT_CONTENT["AISTUDIO::TOOLS::RUST::FILETYPEFILTER::T639143005"] = "Text Fil
 -- All Office Files
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RUST::FILETYPEFILTER::T709668067"] = "All Office Files"
 
+-- Pandoc Installation
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::PANDOCAVAILABILITYSERVICE::T185447014"] = "Pandoc Installation"
+
+-- Pandoc may be required for importing files.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::PANDOCAVAILABILITYSERVICE::T2596465560"] = "Pandoc may be required for importing files."
+
 -- Failed to delete the API key due to an API issue.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::RUSTSERVICE::APIKEYS::T3658273365"] = "Failed to delete the API key due to an API issue."
 

app/MindWork AI Studio/Plugins/languages/de-de-43065dbc-78d0-45b7-92be-f14c2926e2dc/plugin.lua

@@ -1821,6 +1821,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::PROFILESELECTION::T918741365"] = "Hier k
 -- Provider
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::PROVIDERSELECTION::T900237532"] = "Anbieter"
 
+-- Failed to load file content
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::READFILECONTENT::T1989554334"] = "Laden des Dateiinhalts fehlgeschlagen"
+
 -- Videos are not supported yet
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::READFILECONTENT::T2928927510"] = "Videos werden noch nicht unterstützt."
 
@@ -5892,6 +5895,12 @@ UI_TEXT_CONTENT["AISTUDIO::TOOLS::RUST::FILETYPEFILTER::T639143005"] = "Textdate
 -- All Office Files
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RUST::FILETYPEFILTER::T709668067"] = "Alle Office-Dateien"
 
+-- Pandoc Installation
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::PANDOCAVAILABILITYSERVICE::T185447014"] = "Pandoc-Installation"
+
+-- Pandoc may be required for importing files.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::PANDOCAVAILABILITYSERVICE::T2596465560"] = "Zum Importieren von Dateien kann Pandoc erforderlich sein."
+
 -- Failed to delete the API key due to an API issue.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::RUSTSERVICE::APIKEYS::T3658273365"] = "Das API-Schlüssel konnte aufgrund eines API-Problems nicht gelöscht werden."
 
@@ -6039,3 +6048,4 @@ UI_TEXT_CONTENT["AISTUDIO::TOOLS::WORKSPACEBEHAVIOUR::T1307384014"] = "Unbenannt
 -- Delete Chat
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::WORKSPACEBEHAVIOUR::T2244038752"] = "Chat löschen"
 
+

app/MindWork AI Studio/Plugins/languages/en-us-97dfb1ba-50c4-4440-8dfa-6575daf543c8/plugin.lua

@@ -1821,6 +1821,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::PROFILESELECTION::T918741365"] = "You can
 -- Provider
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::PROVIDERSELECTION::T900237532"] = "Provider"
 
+-- Failed to load file content
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::READFILECONTENT::T1989554334"] = "Failed to load file content"
+
 -- Videos are not supported yet
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::READFILECONTENT::T2928927510"] = "Videos are not supported yet"
 
@@ -5892,6 +5895,12 @@ UI_TEXT_CONTENT["AISTUDIO::TOOLS::RUST::FILETYPEFILTER::T639143005"] = "Text Fil
 -- All Office Files
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RUST::FILETYPEFILTER::T709668067"] = "All Office Files"
 
+-- Pandoc Installation
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::PANDOCAVAILABILITYSERVICE::T185447014"] = "Pandoc Installation"
+
+-- Pandoc may be required for importing files.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::PANDOCAVAILABILITYSERVICE::T2596465560"] = "Pandoc may be required for importing files."
+
 -- Failed to delete the API key due to an API issue.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::SERVICES::RUSTSERVICE::APIKEYS::T3658273365"] = "Failed to delete the API key due to an API issue."
 

app/MindWork AI Studio/Tools/Pandoc.cs

@@ -49,19 +49,26 @@ public static partial class Pandoc
             {
                 if (showMessages)
                     await MessageBus.INSTANCE.SendError(new (Icons.Material.Filled.Help, TB("Was not able to check the Pandoc installation.")));
-                
+
                 LOG.LogInformation("The Pandoc process was not started, it was null");
                 return new(false, TB("Was not able to check the Pandoc installation."), false, string.Empty, preparedProcess.IsLocal);
             }
-                
-            var output = await process.StandardOutput.ReadToEndAsync();
+
+            // Read output streams asynchronously while the process runs (prevents deadlock):
+            var outputTask = process.StandardOutput.ReadToEndAsync();
+            var errorTask = process.StandardError.ReadToEndAsync();
+
+            // Wait for the process to exit AND for streams to be fully read:
             await process.WaitForExitAsync();
+            var output = await outputTask;
+            var error = await errorTask;
+
             if (process.ExitCode != 0)
             {
                 if (showMessages)
                     await MessageBus.INSTANCE.SendError(new (Icons.Material.Filled.Error, TB("Pandoc is not available on the system or the process had issues.")));
-                
-                LOG.LogError("The Pandoc process was exited with code {ProcessExitCode}", process.ExitCode);
+
+                LOG.LogError("The Pandoc process exited with code {ProcessExitCode}. Error output: '{ErrorText}'", process.ExitCode, error);
                 return new(false, TB("Pandoc is not available on the system or the process had issues."), false, string.Empty, preparedProcess.IsLocal);
             }
 

app/MindWork AI Studio/Tools/PandocExport.cs

@@ -25,11 +25,12 @@ public static class PandocExport
 
         LOGGER.LogInformation($"The user chose the path '{response.SaveFilePath}' for the Microsoft Word export.");
 
-        var tempMarkdownFile = Guid.NewGuid().ToString();
-        var tempMarkdownFilePath = Path.Combine(Path.GetTempPath(), tempMarkdownFile);
-
+        var tempMarkdownFilePath = string.Empty;
         try
         {
+            var tempMarkdownFile = Guid.NewGuid().ToString();
+            tempMarkdownFilePath = Path.Combine(Path.GetTempPath(), tempMarkdownFile);
+            
             // Extract text content from chat:
             var markdownText = markdownContent switch
             {
@@ -80,11 +81,18 @@ public static class PandocExport
                 return false;
             }
 
+            // Read output streams asynchronously while the process runs (prevents deadlock):
+            var outputTask = process.StandardOutput.ReadToEndAsync();
+            var errorTask = process.StandardError.ReadToEndAsync();
+
+            // Wait for the process to exit AND for streams to be fully read:
             await process.WaitForExitAsync();
+            await outputTask;
+            var error = await errorTask;
+
             if (process.ExitCode is not 0)
             {
-                var error = await process.StandardError.ReadToEndAsync();
-                LOGGER.LogError($"Pandoc failed with exit code {process.ExitCode}: {error}");
+                LOGGER.LogError("Pandoc failed with exit code {ProcessExitCode}: '{ErrorText}'", process.ExitCode, error);
                 await MessageBus.INSTANCE.SendError(new(Icons.Material.Filled.Cancel, TB("Error during Microsoft Word export")));
                 return false;
             }
@@ -103,13 +111,16 @@ public static class PandocExport
         finally
         {
             // Try to remove the temp file:
-            try
+            if (!string.IsNullOrWhiteSpace(tempMarkdownFilePath))
             {
-                File.Delete(tempMarkdownFilePath);
-            }
-            catch
-            {
-                LOGGER.LogWarning($"Was not able to delete temporary file: '{tempMarkdownFilePath}'");
+                try
+                {
+                    File.Delete(tempMarkdownFilePath);
+                }
+                catch
+                {
+                    LOGGER.LogWarning($"Was not able to delete temporary file: '{tempMarkdownFilePath}'");
+                }
             }
         }
     }

app/MindWork AI Studio/wwwroot/changelog/v0.9.55.md

@@ -6,4 +6,6 @@
 - Improved the document preview dialog for the document analysis assistant (in preview), providing Markdown and plain text views for attached files.
 - Improved the ID handling for configuration plugins.
 - Improved error handling, logging, and code quality.
-- Fixed a bug in the local data sources info dialog (preview feature) for data directories that could cause the app to crash. The error was caused by a background thread producing data while the frontend attempted to display it.
+- Improved error handling for Microsoft Word export.
+- Fixed a bug in the local data sources info dialog (preview feature) for data directories that could cause the app to crash. The error was caused by a background thread producing data while the frontend attempted to display it.
+- Fixed a rare bug in the Microsoft Word export for huge documents.