Initial Commit

Clario/Services/ThemeService.cs

@@ -0,0 +1,33 @@
+using System.Diagnostics;
+using Avalonia;
+using Avalonia.Styling;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace Clario.Services;
+
+public class ThemeService
+{
+    public static void SwitchToTheme(ThemeVariant theme)
+    {
+        var app = Application.Current;
+        if (app is null) return;
+
+        app.RequestedThemeVariant = theme;
+    }
+
+    public static void SwitchToTheme(string theme)
+    {
+        var app = Application.Current;
+        if (app is null) return;
+        var themeVariant = theme switch
+        {
+            "dark" => ThemeVariant.Dark,
+            "light" => ThemeVariant.Light,
+            _ => ThemeVariant.Default
+        };
+        app.RequestedThemeVariant = themeVariant;
+    }
+
+    public static bool IsDarkTheme => Application.Current?.RequestedThemeVariant == ThemeVariant.Dark;
+    public static bool IsLightTheme => Application.Current?.RequestedThemeVariant == ThemeVariant.Light;
+}