From dc32fca6ebe8b03f474ff6adac7b9912b7b8cf2c Mon Sep 17 00:00:00 2001
From: Jakob Ehn <jakob@ehn.nu>
Date: Thu, 9 May 2024 13:15:35 +0200
Subject: [PATCH] Add FileIOPlugin for local file system operations

---
 src/Active.Toolbox.BlazorWeb/Program.cs       |  5 ++-
 .../Plugins/FileIOPlugin.cs                   | 40 +++++++++++++++++++
 2 files changed, 43 insertions(+), 2 deletions(-)
 create mode 100644 src/Active.Toolbox.Core/Plugins/FileIOPlugin.cs

diff --git a/src/Active.Toolbox.BlazorWeb/Program.cs b/src/Active.Toolbox.BlazorWeb/Program.cs
index ebfc445..970e0a6 100644
--- a/src/Active.Toolbox.BlazorWeb/Program.cs
+++ b/src/Active.Toolbox.BlazorWeb/Program.cs
@@ -24,13 +24,14 @@
 
 	kernel.Plugins.AddFromType<Active.Toolbox.Core.Plugins.MathPlugin>("Math");
     kernel.Plugins.AddFromType<Active.Toolbox.Core.Plugins.TimePlugin>("Time");
+    kernel.Plugins.AddFromType<Active.Toolbox.Core.Plugins.FileIOPlugin>("FileIO");
 
 	// Built-in plugins
-	//#pragma warning disable SKEXP0050
+	//#pragma warning disable SKEX
 	//kernel.Plugins.AddFromType<FileIOPlugin>("FileIO");
 	//kernel.Plugins.AddFromType<ConversationSummaryPlugin>("ConversationSummary");
 	//kernel.Plugins.AddFromType<Microsoft.SemanticKernel.Plugins.Core.WaitPlugin>("Wait");
-	//#pragma warning restore SKEXP0050
+	//#pragma warning restore SKEX
 
 	return kernel;
 });
diff --git a/src/Active.Toolbox.Core/Plugins/FileIOPlugin.cs b/src/Active.Toolbox.Core/Plugins/FileIOPlugin.cs
new file mode 100644
index 0000000..32cd530
--- /dev/null
+++ b/src/Active.Toolbox.Core/Plugins/FileIOPlugin.cs
@@ -0,0 +1,40 @@
+using System.ComponentModel;
+using System.IO;
+using Microsoft.SemanticKernel;
+
+namespace Active.Toolbox.Core.Plugins;
+
+public class FileIOPlugin
+{
+    [KernelFunction("FileIO_ListFiles"), Description("List files in a specified directory")]
+    public static string[] ListFiles(
+        [Description("The path of the directory")] string directoryPath)
+    {
+        if (!Directory.Exists(directoryPath))
+        {
+            throw new DirectoryNotFoundException($"Directory not found: {directoryPath}");
+        }
+
+        return Directory.GetFiles(directoryPath);
+    }
+
+    [KernelFunction("FileIO_ReadFile"), Description("Read the contents of a specified file")]
+    public static string ReadFile(
+        [Description("The path of the file")] string filePath)
+    {
+        if (!File.Exists(filePath))
+        {
+            throw new FileNotFoundException($"File not found: {filePath}");
+        }
+
+        return File.ReadAllText(filePath);
+    }
+
+    [KernelFunction("FileIO_WriteFile"), Description("Write content to a specified file")]
+    public static void WriteFile(
+        [Description("The path of the file")] string filePath,
+        [Description("The content to write")] string content)
+    {
+        File.WriteAllText(filePath, content);
+    }
+}