Load MainWindow before library finishes loading like Classic

Source/LibationAvalonia/App.axaml.cs

@@ -1,8 +1,6 @@
 using ApplicationServices;
 using Avalonia;
-using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
-using Avalonia.Input;
 using Avalonia.Markup.Xaml;
 using Avalonia.Media;
 using Avalonia.Platform;
@@ -14,14 +12,13 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Threading.Tasks;
-using ReactiveUI;
+using Avalonia.Threading;
-using DataLayer;
 
 namespace LibationAvalonia
 {
 	public class App : Application
 	{
-		public static Window MainWindow { get; private set; }
+		public static MainWindow MainWindow { get; private set; }
 		public static IBrush ProcessQueueBookFailedBrush { get; private set; }
 		public static IBrush ProcessQueueBookCompletedBrush { get; private set; }
 		public static IBrush ProcessQueueBookCancelledBrush { get; private set; }
@@ -216,11 +213,17 @@ namespace LibationAvalonia
 			LoadStyles();
 			var mainWindow = new MainWindow();
 			desktop.MainWindow = MainWindow = mainWindow;
-			mainWindow.OnLibraryLoaded(LibraryTask.GetAwaiter().GetResult());
+			mainWindow.Loaded += MainWindow_Loaded;
 			mainWindow.RestoreSizeAndLocation(Configuration.Instance);
 			mainWindow.Show();
 		}
 
+		private static async void MainWindow_Loaded(object sender, Avalonia.Interactivity.RoutedEventArgs e)
+		{
+			var library = await LibraryTask;
+			await Dispatcher.UIThread.InvokeAsync(() => MainWindow.OnLibraryLoadedAsync(library));
+		}
+
 		private static void LoadStyles()
 		{
 			ProcessQueueBookFailedBrush = AvaloniaUtils.GetBrushFromResources(nameof(ProcessQueueBookFailedBrush));

Source/LibationAvalonia/ViewModels/MainVM.cs

@@ -20,7 +20,7 @@ namespace LibationAvalonia.ViewModels
 			MainWindow = mainWindow;
 
 			ProductsDisplay.RemovableCountChanged += (_, removeCount) => RemoveBooksButtonText = removeCount == 1 ? "Remove 1 Book from Libation" : $"Remove {removeCount} Books from Libation";
-			LibraryCommands.LibrarySizeChanged += async (_, _) => await ProductsDisplay.UpdateGridAsync(DbContexts.GetLibrary_Flat_NoTracking(includeParents: true));
+			LibraryCommands.LibrarySizeChanged += LibraryCommands_LibrarySizeChanged;
 
 			Configure_NonUI();
 			Configure_BackupCounts();
@@ -34,6 +34,12 @@ namespace LibationAvalonia.ViewModels
 			Configure_VisibleBooks();
 		}
 
+		private async void LibraryCommands_LibrarySizeChanged(object sender, System.EventArgs e)
+		{
+			var fullLibrary = await System.Threading.Tasks.Task.Run(() => DbContexts.GetLibrary_Flat_NoTracking(includeParents: true));
+			await ProductsDisplay.UpdateGridAsync(fullLibrary);
+		}
+
 		private static string menufyText(string header) => Configuration.IsMacOs ? header : $"_{header}";
 	}
 }

Source/LibationAvalonia/ViewModels/ProductsDisplayViewModel.cs

@@ -28,7 +28,13 @@ namespace LibationAvalonia.ViewModels
 		/// <summary>Grid entries included in the filter set. If null, all grid entries are shown</summary>
 		private HashSet<IGridEntry> FilteredInGridEntries;
 		public string FilterString { get; private set; }
-		public DataGridCollectionView GridEntries { get; private set; }
+
+		private DataGridCollectionView _gridEntries;
+		public DataGridCollectionView GridEntries
+		{
+			get => _gridEntries;
+			private set => this.RaiseAndSetIfChanged(ref _gridEntries, value);
+		}
 
 		private bool _removeColumnVisible;
 		public bool RemoveColumnVisible { get => _removeColumnVisible; private set => this.RaiseAndSetIfChanged(ref _removeColumnVisible, value); }

Source/LibationAvalonia/Views/MainWindow.axaml.cs

@@ -23,7 +23,6 @@ namespace LibationAvalonia.Views
 
 			Opened += MainWindow_Opened;
 			Closing += MainWindow_Closing;
-			LibraryLoaded += MainWindow_LibraryLoaded;
 
 			KeyBindings.Add(new KeyBinding { Command = ReactiveCommand.Create(selectAndFocusSearchBox), Gesture = new KeyGesture(Key.F, Configuration.IsMacOs ? KeyModifiers.Meta : KeyModifiers.Control) });
 
@@ -56,21 +55,20 @@ namespace LibationAvalonia.Views
 			this.SaveSizeAndLocation(Configuration.Instance);
 		}
 
-		private async void MainWindow_LibraryLoaded(object sender, List<LibraryBook> dbBooks)
-		{
-			if (QuickFilters.UseDefault)
-				await ViewModel.PerformFilter(QuickFilters.Filters.FirstOrDefault());
-
-			await ViewModel.ProductsDisplay.BindToGridAsync(dbBooks);
-		}
-
 		private void selectAndFocusSearchBox()
 		{
 			filterSearchTb.SelectAll();
 			filterSearchTb.Focus();
 		}
 
-		public void OnLibraryLoaded(List<LibraryBook> initialLibrary) => LibraryLoaded?.Invoke(this, initialLibrary);
+		public async System.Threading.Tasks.Task OnLibraryLoadedAsync(List<LibraryBook> initialLibrary)
+		{
+			if (QuickFilters.UseDefault)
+				await ViewModel.PerformFilter(QuickFilters.Filters.FirstOrDefault());
+
+			await ViewModel.ProductsDisplay.BindToGridAsync(initialLibrary);
+		}
+
 		public void ProductsDisplay_LiberateClicked(object _, LibraryBook libraryBook) => ViewModel.LiberateClicked(libraryBook);
 		public void ProductsDisplay_LiberateSeriesClicked(object _, ISeriesEntry series) => ViewModel.LiberateSeriesClicked(series);
 		public void ProductsDisplay_ConvertToMp3Clicked(object _, LibraryBook libraryBook) => ViewModel.ConvertToMp3Clicked(libraryBook);

Source/LibationUiBase/GridView/LibraryBookEntry[TStatus].cs

@@ -33,10 +33,11 @@ namespace LibationUiBase.GridView
 			LoadCover();
 		}
 
-
 		public static async Task<List<IGridEntry>> GetAllProductsAsync(IEnumerable<LibraryBook> libraryBooks)
 		{
 			var products = libraryBooks.Where(lb => lb.Book.IsProduct()).ToArray();
+			if (products.Length == 0)
+				return [];
 
 			int parallelism = int.Max(1, Environment.ProcessorCount - 1);