Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Settings/DataModel/DataSourceSecurityExtensions.cs

@@ -6,50 +6,56 @@ public static class DataSourceSecurityExtensions
 {
     private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(DataSourceSecurityExtensions).Namespace, nameof(DataSourceSecurityExtensions));
     
-    public static string ToSelectionText(this DataSourceSecurity security) => security switch
+    extension(DataSourceSecurity security)
     {
-        DataSourceSecurity.NOT_SPECIFIED => TB("Please select a security policy"),
+        public string ToSelectionText() => security switch
+        {
+            DataSourceSecurity.NOT_SPECIFIED => TB("Please select a security policy"),
         
-        DataSourceSecurity.ALLOW_ANY => TB("This data source can be used with any LLM provider. Your data may be sent to a cloud-based provider."),
-        DataSourceSecurity.SELF_HOSTED => TB("This data source can only be used with a self-hosted LLM provider. Your data will not be sent to any cloud-based provider."),
+            DataSourceSecurity.ALLOW_ANY => TB("This data source can be used with any LLM provider. Your data may be sent to a cloud-based provider."),
+            DataSourceSecurity.SELF_HOSTED => TB("This data source can only be used with a self-hosted LLM provider. Your data will not be sent to any cloud-based provider."),
         
-        _ => TB("Unknown security policy")
-    };
-    
-    public static string ToInfoText(this DataSourceSecurity security) => security switch
-    {
-        DataSourceSecurity.NOT_SPECIFIED => TB("The security of the data source is not specified yet. You cannot use this data source until you specify a security policy."),
-        
-        DataSourceSecurity.ALLOW_ANY => TB("This data source can be used with any LLM provider. Your data may be sent to a cloud-based provider."),
-        DataSourceSecurity.SELF_HOSTED => TB("This data source can only be used with a self-hosted LLM provider. Your data will not be sent to any cloud-based provider."),
-        
-        _ => TB("Unknown security policy")
-    };
-    
-    /// <summary>
-    /// The data security which demands what the one held and the one arriving demand together.
-    /// </summary>
-    /// <remarks>
-    /// Data which may only be used with self-hosted providers keeps them as the only choice, no matter
-    /// what arrives later: the data was seen. Data which may be used with any provider marks the holder
-    /// as one which holds data of a data source, while a restriction set earlier stays. NOT_SPECIFIED
-    /// demands nothing and changes nothing. The order does not matter.
-    /// </remarks>
-    /// <param name="held">The data security held so far.</param>
-    /// <param name="arriving">What the data arriving demands.</param>
-    /// <returns>The tightened data security; never looser than either of the two.</returns>
-    public static DataSourceSecurity TightenedBy(this DataSourceSecurity held, DataSourceSecurity arriving) => (held, arriving) switch
-    {
-        (DataSourceSecurity.SELF_HOSTED, _) or (_, DataSourceSecurity.SELF_HOSTED) => DataSourceSecurity.SELF_HOSTED,
-        (_, DataSourceSecurity.ALLOW_ANY) => DataSourceSecurity.ALLOW_ANY,
-        _ => held,
-    };
+            _ => TB("Unknown security policy")
+        };
 
-    public static TextColor GetColor(this DataSourceSecurity security) => security switch
-    {
-        DataSourceSecurity.ALLOW_ANY => TextColor.WARN,
-        DataSourceSecurity.SELF_HOSTED => TextColor.SUCCESS,
+        public string ToInfoText() => security switch
+        {
+            DataSourceSecurity.NOT_SPECIFIED => TB("The security of the data source is not specified yet. You cannot use this data source until you specify a security policy."),
         
-        _ => TextColor.ERROR
-    };
+            DataSourceSecurity.ALLOW_ANY => TB("This data source can be used with any LLM provider. Your data may be sent to a cloud-based provider."),
+            DataSourceSecurity.SELF_HOSTED => TB("This data source can only be used with a self-hosted LLM provider. Your data will not be sent to any cloud-based provider."),
+        
+            _ => TB("Unknown security policy")
+        };
+
+        public TextColor GetColor() => security switch
+        {
+            DataSourceSecurity.ALLOW_ANY => TextColor.WARN,
+            DataSourceSecurity.SELF_HOSTED => TextColor.SUCCESS,
+        
+            _ => TextColor.ERROR
+        };
+    }
+    
+    /// <param name="held">The data security held so far.</param>
+    extension(DataSourceSecurity held)
+    {
+        /// <summary>
+        /// The data security which demands what the one held and the one arriving demand together.
+        /// </summary>
+        /// <remarks>
+        /// Data which may only be used with self-hosted providers keeps them as the only choice, no matter
+        /// what arrives later: the data was seen. Data which may be used with any provider marks the holder
+        /// as one which holds data of a data source, while a restriction set earlier stays. NOT_SPECIFIED
+        /// demands nothing and changes nothing. The order does not matter.
+        /// </remarks>
+        /// <param name="arriving">What the data arriving demands.</param>
+        /// <returns>The tightened data security; never looser than either of the two.</returns>
+        public DataSourceSecurity TightenedBy(DataSourceSecurity arriving) => (held, arriving) switch
+        {
+            (DataSourceSecurity.SELF_HOSTED, _) or (_, DataSourceSecurity.SELF_HOSTED) => DataSourceSecurity.SELF_HOSTED,
+            (_, DataSourceSecurity.ALLOW_ANY) => DataSourceSecurity.ALLOW_ANY,
+            _ => held,
+        };
+    }
 }