From c7d4daca942607957fe51a71b6648ff58352ab80 Mon Sep 17 00:00:00 2001
From: TheXamlGuy <dan_clark@outlook.com>
Date: Thu, 18 Jul 2024 20:16:45 +0100
Subject: [PATCH] Partial work on WalletActivityService

---
 Wallet.Avalonia/App.axaml.cs     |  2 +
 Wallet/IWalletActivityService.cs |  7 ++++
 Wallet/ItemCreatedHandler.cs     |  3 +-
 Wallet/WalletActivityService.cs  | 70 ++++++++++++++++++++++++++++++++
 4 files changed, 80 insertions(+), 2 deletions(-)
 create mode 100644 Wallet/IWalletActivityService.cs
 create mode 100644 Wallet/WalletActivityService.cs

diff --git a/Wallet.Avalonia/App.axaml.cs b/Wallet.Avalonia/App.axaml.cs
index 7e990e2..93a96a3 100644
--- a/Wallet.Avalonia/App.axaml.cs
+++ b/Wallet.Avalonia/App.axaml.cs
@@ -73,6 +73,8 @@ public partial class App : Application
                         services.AddTransient(_ =>
                             provider.GetServices<IConfigurationDescriptor<ItemConfiguration>>());
 
+                        services.AddInitializer<WalletActivityService>();
+
                         services.AddTransient<IWalletFactory, WalletFactory>();
 
                         services.AddTransient<IKeyGenerator, KeyGenerator>();
diff --git a/Wallet/IWalletActivityService.cs b/Wallet/IWalletActivityService.cs
new file mode 100644
index 0000000..61a2223
--- /dev/null
+++ b/Wallet/IWalletActivityService.cs
@@ -0,0 +1,7 @@
+using Toolkit.Foundation;
+
+namespace Wallet;
+
+public interface IWalletActivityService :
+    IInitialization, 
+    IDisposable;
diff --git a/Wallet/ItemCreatedHandler.cs b/Wallet/ItemCreatedHandler.cs
index 9612064..5945542 100644
--- a/Wallet/ItemCreatedHandler.cs
+++ b/Wallet/ItemCreatedHandler.cs
@@ -28,8 +28,7 @@ public class ItemCreatedHandler(IServiceProvider serviceProvider,
                 int index = cache.IndexOf(cachedItem);
                 decoratorService.Set(cachedItem);
 
-                publisher.Publish(Insert.As(index, viewModel),
-                    nameof(ItemNavigationCollectionViewModel));
+                publisher.Publish(Insert.As(index, viewModel), "All");
             }
         }
 
diff --git a/Wallet/WalletActivityService.cs b/Wallet/WalletActivityService.cs
new file mode 100644
index 0000000..3393196
--- /dev/null
+++ b/Wallet/WalletActivityService.cs
@@ -0,0 +1,70 @@
+using Toolkit.Foundation;
+using Timer = System.Threading.Timer;
+
+namespace Wallet;
+
+public class WalletActivityService(ISubscriber subscriber,
+    IPublisher publisher) :
+    IWalletActivityService,
+    INotificationHandler<ActivatedEventArgs<Wallet>>,
+    INotificationHandler<DeactivatedEventArgs<Wallet>>,
+    INotificationHandler<OpenedEventArgs<Wallet>>,
+    INotificationHandler<ClosedEventArgs<Wallet>>
+{
+    private bool isOpen;
+    private readonly int timeout = 10000;
+    private Timer? timer;
+
+    public void Dispose()
+    {
+        timer?.Dispose();
+    }
+
+    public Task Handle(ActivatedEventArgs<Wallet> args)
+    {
+        if (isOpen)
+        {
+            timer?.Change(Timeout.Infinite, Timeout.Infinite);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    public Task Handle(DeactivatedEventArgs<Wallet> args)
+    {
+        if (isOpen)
+        {
+            timer?.Change(timeout, Timeout.Infinite);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    public Task Handle(OpenedEventArgs<Wallet> args)
+    {
+        isOpen = true;
+        return Task.CompletedTask;
+    }
+
+    public Task Handle(ClosedEventArgs<Wallet> args)
+    {
+        isOpen = false;
+        timer?.Change(Timeout.Infinite, Timeout.Infinite);
+
+        return Task.CompletedTask;
+    }
+
+    public void Initialize()
+    {
+        subscriber.Subscribe(this);
+        timer = new Timer(OnTimedEvent, null, Timeout.Infinite, Timeout.Infinite);
+    }
+
+    private void OnTimedEvent(object? state)
+    {
+        if (isOpen)
+        {
+            publisher.PublishUI(new ClosedEventArgs<Wallet>());
+        }
+    }
+}