Improved error handling, logging, and code quality (#584)

app/MindWork AI Studio/Assistants/DocumentAnalysis/DocumentAnalysisAssistant.razor.cs

@@ -1,5 +1,3 @@
-using System.Text;
-
 using AIStudio.Chat;
 using AIStudio.Dialogs;
 using AIStudio.Dialogs.Settings;

app/MindWork AI Studio/Components/ReadFileContent.razor.cs

@@ -29,31 +29,49 @@ public partial class ReadFileContent : MSGComponentBase
     {
         var selectedFile = await this.RustService.SelectFile(T("Select file to read its content"));
         if (selectedFile.UserCancelled)
+        {
+            this.Logger.LogInformation("User cancelled the file selection");
             return;
+        }
 
         if(!File.Exists(selectedFile.SelectedFilePath))
+        {
+            this.Logger.LogWarning("Selected file does not exist: '{FilePath}'", selectedFile.SelectedFilePath);
             return;
+        }
 
         var ext = Path.GetExtension(selectedFile.SelectedFilePath).TrimStart('.');
         if (Array.Exists(FileTypeFilter.Executables.FilterExtensions, x => x.Equals(ext,  StringComparison.OrdinalIgnoreCase)))
         {
+            this.Logger.LogWarning("User attempted to load executable file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
             await MessageBus.INSTANCE.SendError(new(Icons.Material.Filled.AppBlocking, T("Executables are not allowed")));
             return;
         }
 
         if (Array.Exists(FileTypeFilter.AllImages.FilterExtensions, x => x.Equals(ext,  StringComparison.OrdinalIgnoreCase)))
         {
+            this.Logger.LogWarning("User attempted to load image file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
             await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.ImageNotSupported, T("Images are not supported yet")));
             return;
         }
 
         if (Array.Exists(FileTypeFilter.AllVideos.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
         {
+            this.Logger.LogWarning("User attempted to load video file: {FilePath} with extension: {Extension}", selectedFile.SelectedFilePath, ext);
             await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.FeaturedVideo, this.T("Videos are not supported yet")));
             return;
         }
 
+        try
+        {
             var fileContent = await UserFile.LoadFileData(selectedFile.SelectedFilePath, this.RustService, this.DialogService);
             await this.FileContentChanged.InvokeAsync(fileContent);
+            this.Logger.LogInformation("Successfully loaded file content: {FilePath}", selectedFile.SelectedFilePath);
+        }
+        catch (Exception ex)
+        {
+            this.Logger.LogError(ex, "Failed to load file content: {FilePath}", selectedFile.SelectedFilePath);
+            await MessageBus.INSTANCE.SendError(new(Icons.Material.Filled.Error, T("Failed to load file content")));
+        }
     }
 }

app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor.cs

@@ -32,11 +32,22 @@ public partial class DocumentCheckDialog : MSGComponentBase
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         if (firstRender && !string.IsNullOrWhiteSpace(this.FilePath))
+        {
+            try
             {
                 var fileContent = await UserFile.LoadFileData(this.FilePath, this.RustService, this.DialogService);
                 this.FileContent = fileContent;
                 this.StateHasChanged();
             }
+            catch (Exception ex)
+            {
+                this.Logger.LogError(ex, "Failed to load file content from '{FilePath}'", this.FilePath);
+                this.FileContent = string.Empty;
+                this.StateHasChanged();
+            }
+        }
+        else if (firstRender)
+            this.Logger.LogWarning("Document check dialog opened without a valid file path");
     }
     
     private CodeBlockTheme CodeColorPalette => this.SettingsManager.IsDarkMode ? CodeBlockTheme.Dark : CodeBlockTheme.Default;

app/MindWork AI Studio/Settings/ManagedConfiguration.Parsing.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Globalization;
 using System.Linq.Expressions;
 

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

@@ -4,4 +4,5 @@
 - Improved the document analysis assistant (in preview) by adding descriptions to the different sections.
 - 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.