Refactor

Source/LibationAvalonia/Views/MainWindow/MainWindow.BackupCounts.axaml.cs

@@ -0,0 +1,44 @@
+using ApplicationServices;
+using System;
+using System.Linq;
+using Avalonia.Threading;
+using Dinah.Core;
+
+namespace LibationAvalonia.Views
+{
+	//DONE
+	public partial class MainWindow
+	{
+		private System.ComponentModel.BackgroundWorker updateCountsBw = new();
+		private void Configure_BackupCounts()
+		{
+			Load += setBackupCounts;
+			LibraryCommands.LibrarySizeChanged += setBackupCounts;
+			LibraryCommands.BookUserDefinedItemCommitted += setBackupCounts;
+
+			updateCountsBw.DoWork += UpdateCountsBw_DoWork;
+			updateCountsBw.RunWorkerCompleted += updateBottomNumbersAsync;
+		}
+		private bool runBackupCountsAgain;
+		private void setBackupCounts(object _, object __)
+		{
+			runBackupCountsAgain = true;
+
+			if (!updateCountsBw.IsBusy)
+				updateCountsBw.RunWorkerAsync();
+		}
+		private void UpdateCountsBw_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
+		{
+			while (runBackupCountsAgain)
+			{
+				runBackupCountsAgain = false;
+				e.Result = LibraryCommands.GetCounts();
+			}
+		}
+
+		private void updateBottomNumbersAsync(object _, System.ComponentModel.RunWorkerCompletedEventArgs e)
+		{
+			_viewModel.LibraryStats = e.Result as LibraryCommands.LibraryStats;
+		}
+	}
+}