wip

Bitvault/ItemCollectionViewModel.cs

@@ -0,0 +1,54 @@
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+[Aggerate(nameof(ItemCollectionViewModel))]
+public partial class ItemCollectionViewModel :
+    ObservableCollection<ItemNavigationViewModel>,
+    INotificationHandler<NotifyEventArgs<Filter>>,
+    INotificationHandler<NotifyEventArgs<Search>>
+{
+    private ContainerViewModelConfiguration configuration;
+
+    public ItemCollectionViewModel(IServiceProvider provider,
+        IServiceFactory factory,
+        IMediator mediator,
+        IPublisher publisher,
+        ISubscription subscriber,
+        IDisposer disposer,
+        IContentTemplate template,
+        ContainerViewModelConfiguration configuration,
+        string? filter = null) : base(provider, factory, mediator, publisher, subscriber, disposer)
+    {
+        Template = template;
+        this.configuration = configuration with { Filter = filter };
+    }
+
+    public IContentTemplate Template { get; set; }
+
+    public Task Handle(NotifyEventArgs<Filter> args)
+    {
+        if (args.Value is Filter filter)
+        {
+            configuration = configuration with { Filter = filter.Value };
+            BeginAggregation();
+        }
+
+        return Task.CompletedTask;
+    }
+
+    public Task Handle(NotifyEventArgs<Search> args)
+    {
+        if (args.Value is Search search)
+        {
+            configuration = configuration with { Query = search.Value };
+            BeginAggregation();
+        }
+
+        return Task.CompletedTask;
+    }
+
+    protected override IAggerate OnPrepareAggregation(object? key) =>
+        Aggerate.With<ItemNavigationViewModel, ContainerViewModelConfiguration>(configuration)
+            with { Key = key };
+}