Improved pandoc handling (#590)

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

@@ -39,7 +39,10 @@ public partial class AttachDocuments : MSGComponentBase
     
     [Inject]
     private IDialogService DialogService { get; init; } = null!;
-    
+
+    [Inject]
+    private PandocAvailabilityService PandocAvailabilityService { get; init; } = null!;
+
     private const Placement TOOLBAR_TOOLTIP_PLACEMENT = Placement.Top;
     
     #region Overrides of MSGComponentBase
@@ -71,12 +74,26 @@ public partial class AttachDocuments : MSGComponentBase
                     this.Logger.LogDebug("Attach documents component '{Name}' is not hovered, ignoring file drop dropped event.", this.Name);
                     return;
                 }
-                
+
+                // Ensure that Pandoc is installed and ready:
+                var pandocState = await this.PandocAvailabilityService.EnsureAvailabilityAsync(
+                    showSuccessMessage: false,
+                    showDialog: true);
+
+                // If Pandoc is not available (user cancelled installation), abort file drop:
+                if (!pandocState.IsAvailable)
+                {
+                    this.Logger.LogInformation("The user cancelled the Pandoc installation or Pandoc is not available. Aborting file drop.");
+                    this.ClearDragClass();
+                    this.StateHasChanged();
+                    return;
+                }
+
                 foreach (var path in paths)
                 {
                     if(!await this.IsFileExtensionValid(path))
                         continue;
-                    
+
                     this.DocumentPaths.Add(path);
                 }
 
@@ -97,6 +114,18 @@ public partial class AttachDocuments : MSGComponentBase
 
     private async Task AddFilesManually()
     {
+        // Ensure that Pandoc is installed and ready:
+        var pandocState = await this.PandocAvailabilityService.EnsureAvailabilityAsync(
+            showSuccessMessage: false,
+            showDialog: true);
+
+        // If Pandoc is not available (user cancelled installation), abort file selection:
+        if (!pandocState.IsAvailable)
+        {
+            this.Logger.LogInformation("The user cancelled the Pandoc installation or Pandoc is not available. Aborting file selection.");
+            return;
+        }
+
         var selectedFile = await this.RustService.SelectFile(T("Select a file to attach"));
         if (selectedFile.UserCancelled)
             return;

app/MindWork AI Studio/Components/ChatComponent.razor

@@ -83,11 +83,8 @@
             
             <ChatTemplateSelection CanChatThreadBeUsedForTemplate="@this.CanThreadBeSaved" CurrentChatThread="@this.ChatThread" CurrentChatTemplate="@this.currentChatTemplate" CurrentChatTemplateChanged="@this.ChatTemplateWasChanged"/>
 
-            @if (this.isPandocAvailable)
-            {
-                <AttachDocuments Name="File Attachments" @bind-DocumentPaths="@this.chatDocumentPaths" CatchAllDocuments="true" UseSmallForm="true"/>
-            }
-            
+            <AttachDocuments Name="File Attachments" @bind-DocumentPaths="@this.chatDocumentPaths" CatchAllDocuments="true" UseSmallForm="true"/>
+
             @if (this.SettingsManager.ConfigurationData.Workspace.StorageBehavior is WorkspaceStorageBehavior.STORE_CHATS_AUTOMATICALLY)
             {
                 <MudTooltip Text="@T("Delete this chat & start a new one.")" Placement="@TOOLBAR_TOOLTIP_PLACEMENT">

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

@@ -3,7 +3,6 @@ using AIStudio.Dialogs;
 using AIStudio.Provider;
 using AIStudio.Settings;
 using AIStudio.Settings.DataModel;
-using AIStudio.Tools.Services;
 
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
@@ -38,9 +37,6 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
     [Inject]
     private IDialogService DialogService { get; init; } = null!;
 
-    [Inject]
-    private PandocAvailabilityService PandocAvailabilityService { get; init; } = null!;
-    
     private const Placement TOOLBAR_TOOLTIP_PLACEMENT = Placement.Top;
     private static readonly Dictionary<string, object?> USER_INPUT_ATTRIBUTES = new();
 
@@ -62,7 +58,6 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
     private Guid currentWorkspaceId = Guid.Empty;
     private CancellationTokenSource? cancellationTokenSource;
     private HashSet<string> chatDocumentPaths = [];
-    private bool isPandocAvailable;
 
     // Unfortunately, we need the input field reference to blur the focus away. Without
     // this, we cannot clear the input field.
@@ -204,9 +199,6 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
         // Select the correct provider:
         await this.SelectProviderWhenLoadingChat();
 
-        // Check if Pandoc is available (no dialog or messages):
-        this.isPandocAvailable = await this.PandocAvailabilityService.IsAvailableAsync();
-
         await base.OnInitializedAsync();
     }