Filtered out unsupported audio files in file handling (#592)

app/MindWork AI Studio/Tools/Rust/FileTypeFilter.cs

@@ -21,7 +21,9 @@ public readonly record struct FileTypeFilter(string FilterName, string[] FilterE
     
     public static FileTypeFilter AllImages => new(TB("All Image Files"), ["jpg", "jpeg", "png", "gif", "bmp", "tiff", "svg", "webp", "heic"]);
     
-    public static FileTypeFilter AllVideos => new(TB("All Video Files"), ["mp4", "avi", "mkv", "mov", "wmv", "flv", "webm"]);
+    public static FileTypeFilter AllVideos => new(TB("All Video Files"), ["mp4", "m4v", "avi", "mkv", "mov", "wmv", "flv", "webm"]);
+    
+    public static FileTypeFilter AllAudio => new(TB("All Audio Files"), ["mp3", "wav", "wave", "aac", "flac", "ogg", "m4a", "wma", "alac", "aiff", "m4b"]);
     
     public static FileTypeFilter Executables => new(TB("Executable Files"), ["exe", "app", "bin", "appimage"]);
 }

app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs

@@ -0,0 +1,55 @@
+using AIStudio.Tools.PluginSystem;
+using AIStudio.Tools.Rust;
+
+namespace AIStudio.Tools.Validation;
+
+/// <summary>
+/// Provides centralized validation for file extensions.
+/// </summary>
+public static class FileExtensionValidation
+{
+    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(FileExtensionValidation).Namespace, nameof(FileExtensionValidation));
+
+    /// <summary>
+    /// Validates the file extension and sends appropriate MessageBus notifications when invalid.
+    /// </summary>
+    /// <param name="filePath">The file path to validate.</param>
+    /// <returns>True if valid, false if invalid (error/warning already sent via MessageBus).</returns>
+    public static async Task<bool> IsExtensionValidWithNotifyAsync(string filePath)
+    {
+        var ext = Path.GetExtension(filePath).TrimStart('.');
+        if (Array.Exists(FileTypeFilter.Executables.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendError(new(
+                Icons.Material.Filled.AppBlocking,
+                TB("Executables are not allowed")));
+            return false;
+        }
+
+        if (Array.Exists(FileTypeFilter.AllImages.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(
+                Icons.Material.Filled.ImageNotSupported,
+                TB("Images are not supported yet")));
+            return false;
+        }
+
+        if (Array.Exists(FileTypeFilter.AllVideos.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(
+                Icons.Material.Filled.FeaturedVideo,
+                TB("Videos are not supported yet")));
+            return false;
+        }
+
+        if (Array.Exists(FileTypeFilter.AllAudio.FilterExtensions, x => x.Equals(ext, StringComparison.OrdinalIgnoreCase)))
+        {
+            await MessageBus.INSTANCE.SendWarning(new(
+                Icons.Material.Filled.AudioFile,
+                TB("Audio files are not supported yet")));
+            return false;
+        }
+
+        return true;
+    }
+}