1 files changed, 21 insertions, 0 deletions
diff --git a/Services/UserStateService.cs b/Services/UserStateService.cs
new file mode 100644
index 0000000..dc742e1
--- /dev/null
+++ b/Services/UserStateService.cs
@@ -0,0 +1,21 @@
+namespace HyperBooru.Services;
+
+public interface IUserStateService {
+    public bool ShowNsfw { get; set; }
+
+    public event EventHandler<bool> ShowNsfwChanged;
+}
+
+public class UserStateService : IUserStateService {
+    public bool ShowNsfw {
+        get => showNsfw;
+        set {
+            showNsfw = value;
+            ShowNsfwChanged?.Invoke(this, value);
+        }
+    }
+
+    public event EventHandler<bool> ShowNsfwChanged;
+
+    private bool showNsfw = false;
+}