wip

2024-05-31 14:07:35 +01:00
parent eb5306f956
commit 93130c3116
26 changed files with 147 additions and 71 deletions
@@ -0,0 +1,38 @@
+using Microsoft.Extensions.DependencyInjection;
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+public class ItemModifiedHandler(IServiceProvider serviceProvider,
+    IPublisher publisher) :
+    INotificationHandler<ModifiedEventArgs<Item<(Guid, string)>>>
+{
+    public Task Handle(ModifiedEventArgs<Item<(Guid, string)>> args)
+    {
+        Item<(Guid, string)> oldItem = args.OldView;
+        Item<(Guid, string)> newItem = args.NewValue;
+
+        ICache<Item<(Guid, string)>> cache = serviceProvider.GetRequiredService<ICache<Item<(Guid, string)>>>();
+        if (cache.TryGetValue(oldItem, out Item<(Guid, string)>? cachedItem))
+        {
+            if (cachedItem is not null)
+            {
+                IServiceScope serviceScope = serviceProvider.CreateScope();
+                IValueStore<Item<(Guid, string)>> valueStore = serviceScope.ServiceProvider.GetRequiredService<IValueStore<Item<(Guid, string)>>>();
+
+                int oldIndex = cache.IndexOf(cachedItem);
+                cache.Remove(cachedItem);
+
+                cache.Add(newItem);
+
+                int newIndex = cache.IndexOf(newItem);
+                valueStore.Set(newItem);
+
+                publisher.Publish(MoveTo.As<ItemNavigationViewModel>(oldIndex, newIndex),
+                    nameof(ItemCollectionViewModel));
+            }
+        }
+
+        return Task.CompletedTask;
+    }
+}