From 6bb6baced90c0605814552bb986de7ecf924f108 Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <mail@tsommer.org>
Date: Mon, 5 Jan 2026 16:38:52 +0100
Subject: [PATCH] Fixed builders

---
 .../Tools/MIME/ApplicationBuilder.cs          |  9 +++-
 .../Tools/MIME/AudioBuilder.cs                |  9 +++-
 app/MindWork AI Studio/Tools/MIME/Builder.cs  | 42 +++++--------------
 .../Tools/MIME/ImageBuilder.cs                |  9 +++-
 .../Tools/MIME/TextBuilder.cs                 |  9 +++-
 .../Tools/MIME/VideoBuilder.cs                |  9 +++-
 6 files changed, 45 insertions(+), 42 deletions(-)

diff --git a/app/MindWork AI Studio/Tools/MIME/ApplicationBuilder.cs b/app/MindWork AI Studio/Tools/MIME/ApplicationBuilder.cs
index 43cb9443..25193088 100644
--- a/app/MindWork AI Studio/Tools/MIME/ApplicationBuilder.cs	
+++ b/app/MindWork AI Studio/Tools/MIME/ApplicationBuilder.cs	
@@ -1,10 +1,15 @@
 namespace AIStudio.Tools.MIME;
 
-public class ApplicationBuilder : Builder, ISubtype
+public class ApplicationBuilder : ISubtype
 {
-    private ApplicationBuilder()
+    private readonly BaseType baseType;
+    
+    private ApplicationBuilder(BaseType baseType)
     {
+        this.baseType = baseType;
     }
+
+    public static ApplicationBuilder Create() => new(BaseType.APPLICATION);
     
     private ApplicationSubtype subtype;
     
diff --git a/app/MindWork AI Studio/Tools/MIME/AudioBuilder.cs b/app/MindWork AI Studio/Tools/MIME/AudioBuilder.cs
index e869f345..d45a67c1 100644
--- a/app/MindWork AI Studio/Tools/MIME/AudioBuilder.cs	
+++ b/app/MindWork AI Studio/Tools/MIME/AudioBuilder.cs	
@@ -1,11 +1,16 @@
 namespace AIStudio.Tools.MIME;
 
-public class AudioBuilder : Builder, ISubtype
+public class AudioBuilder : ISubtype
 {
-    private AudioBuilder()
+    private readonly BaseType baseType;
+    
+    private AudioBuilder(BaseType baseType)
     {
+        this.baseType = baseType;
     }
 
+    public static AudioBuilder Create() => new(BaseType.AUDIO);
+
     private AudioSubtype subtype;
 
     public AudioBuilder UseSubtype(string subType)
diff --git a/app/MindWork AI Studio/Tools/MIME/Builder.cs b/app/MindWork AI Studio/Tools/MIME/Builder.cs
index f437731e..3a45b8db 100644
--- a/app/MindWork AI Studio/Tools/MIME/Builder.cs	
+++ b/app/MindWork AI Studio/Tools/MIME/Builder.cs	
@@ -2,11 +2,9 @@ namespace AIStudio.Tools.MIME;
 
 public class Builder
 {
-    protected Builder()
+    private Builder()
     {
     }
-
-    protected BaseType baseType;
     
     public static Builder Create() => new();
     
@@ -48,33 +46,13 @@ public class Builder
         }
     }
     
-    public ApplicationBuilder UseApplication() 
-    {
-        this.baseType = BaseType.APPLICATION;
-        return (ApplicationBuilder)this;
-    }
-    
-    public TextBuilder UseText() 
-    {
-        this.baseType = BaseType.TEXT;
-        return (TextBuilder)this;
-    }
-    
-    public AudioBuilder UseAudio() 
-    {
-        this.baseType = BaseType.AUDIO;
-        return (AudioBuilder)this;
-    }
-    
-    public ImageBuilder UseImage() 
-    {
-        this.baseType = BaseType.IMAGE;
-        return (ImageBuilder)this;
-    }
-    
-    public VideoBuilder UseVideo() 
-    {
-        this.baseType = BaseType.VIDEO;
-        return (VideoBuilder)this;
-    }
+    public ApplicationBuilder UseApplication() => ApplicationBuilder.Create();
+
+    public TextBuilder UseText() => TextBuilder.Create();
+
+    public AudioBuilder UseAudio() => AudioBuilder.Create();
+
+    public ImageBuilder UseImage() => ImageBuilder.Create();
+
+    public VideoBuilder UseVideo() => VideoBuilder.Create();
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Tools/MIME/ImageBuilder.cs b/app/MindWork AI Studio/Tools/MIME/ImageBuilder.cs
index 4d12612f..f93915cf 100644
--- a/app/MindWork AI Studio/Tools/MIME/ImageBuilder.cs	
+++ b/app/MindWork AI Studio/Tools/MIME/ImageBuilder.cs	
@@ -1,11 +1,16 @@
 namespace AIStudio.Tools.MIME;
 
-public class ImageBuilder : Builder, ISubtype
+public class ImageBuilder : ISubtype
 {
-    private ImageBuilder()
+    private readonly BaseType baseType;
+    
+    private ImageBuilder(BaseType baseType)
     {
+        this.baseType = baseType;
     }
 
+    public static ImageBuilder Create() => new(BaseType.IMAGE);
+
     private ImageSubtype subtype;
 
     public ImageBuilder UseSubtype(string subType)
diff --git a/app/MindWork AI Studio/Tools/MIME/TextBuilder.cs b/app/MindWork AI Studio/Tools/MIME/TextBuilder.cs
index abf2b944..3a75e2b6 100644
--- a/app/MindWork AI Studio/Tools/MIME/TextBuilder.cs	
+++ b/app/MindWork AI Studio/Tools/MIME/TextBuilder.cs	
@@ -1,10 +1,15 @@
 namespace AIStudio.Tools.MIME;
 
-public class TextBuilder : Builder, ISubtype
+public class TextBuilder : ISubtype
 {
-    private TextBuilder()
+    private readonly BaseType baseType;
+    
+    private TextBuilder(BaseType baseType)
     {
+        this.baseType = baseType;
     }
+
+    public static TextBuilder Create() => new(BaseType.TEXT);
     
     private TextSubtype subtype;
 
diff --git a/app/MindWork AI Studio/Tools/MIME/VideoBuilder.cs b/app/MindWork AI Studio/Tools/MIME/VideoBuilder.cs
index ce6375e7..ba099629 100644
--- a/app/MindWork AI Studio/Tools/MIME/VideoBuilder.cs	
+++ b/app/MindWork AI Studio/Tools/MIME/VideoBuilder.cs	
@@ -1,10 +1,15 @@
 namespace AIStudio.Tools.MIME;
 
-public class VideoBuilder : Builder, ISubtype
+public class VideoBuilder : ISubtype
 {
-    private VideoBuilder()
+    private readonly BaseType baseType;
+    
+    private VideoBuilder(BaseType baseType)
     {
+        this.baseType = baseType;
     }
+
+    public static VideoBuilder Create() => new(BaseType.VIDEO);
     
     private VideoSubtype subtype;