Allow loading any document in some assistants (#508)

Co-authored-by: krut_ni <nils.kruthoff@dlr.de>
Co-authored-by: Thorsten Sommer <mail@tsommer.org>

app/MindWork AI Studio/Components/ReadFileContent.razor

@@ -1,4 +1,4 @@
 @inherits MSGComponentBase
 <MudButton StartIcon="@Icons.Material.Filled.Description" OnClick="async () => await this.SelectFile()" Variant="Variant.Filled" Class="mb-3">
-    @T("Use PDF content as input")
+    @T("Use file content as input")
 </MudButton>

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

@@ -0,0 +1,45 @@
+using AIStudio.Tools.Rust;
+using AIStudio.Tools.Services;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Components;
+
+public partial class ReadFileContent : MSGComponentBase
+{
+    [Parameter]
+    public string FileContent { get; set; } = string.Empty;
+    
+    [Parameter]
+    public EventCallback<string> FileContentChanged { get; set; }
+    
+    [Inject]
+    private RustService RustService { get; init; } = null!;
+    
+    private async Task SelectFile()
+    {
+        var selectedFile = await this.RustService.SelectFile(T("Select file to read its content"));
+        if (selectedFile.UserCancelled)
+            return;
+        
+        if(!File.Exists(selectedFile.SelectedFilePath))
+            return;
+        
+        var ext = Path.GetExtension(selectedFile.SelectedFilePath).TrimStart('.');
+        if (Array.Exists(FileTypeFilter.Executables.FilterExtensions, x => x.Equals(ext,  StringComparison.OrdinalIgnoreCase)))
+        {
+            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)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.ImageNotSupported, T("Images are not supported yet")));
+            return;
+        }
+        
+        var streamId = Guid.NewGuid().ToString();
+        var fileContent = await this.RustService.ReadArbitraryFileData(selectedFile.SelectedFilePath, streamId, int.MaxValue);
+        await this.FileContentChanged.InvokeAsync(fileContent);
+    }
+}

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

@@ -1,31 +0,0 @@
-using AIStudio.Tools.Rust;
-using AIStudio.Tools.Services;
-
-using Microsoft.AspNetCore.Components;
-
-namespace AIStudio.Components;
-
-public partial class ReadPDFContent : MSGComponentBase
-{
-    [Parameter]
-    public string PDFContent { get; set; } = string.Empty;
-    
-    [Parameter]
-    public EventCallback<string> PDFContentChanged { get; set; }
-    
-    [Inject]
-    private RustService RustService { get; init; } = null!;
-    
-    private async Task SelectFile()
-    {
-        var pdfFile = await this.RustService.SelectFile(T("Select PDF file"), FileTypeFilter.PDF);
-        if (pdfFile.UserCancelled)
-            return;
-        
-        if(!File.Exists(pdfFile.SelectedFilePath))
-            return;
-        
-        var pdfText = await this.RustService.GetPDFText(pdfFile.SelectedFilePath);
-        await this.PDFContentChanged.InvokeAsync(pdfText);
-    }
-}