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Get full library in LibrarySizeChanged event and pass as EventArgs

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There are multiple subscribers to LibraryCommands.LibrarySizeChanged, and each one calls GetLibrary_Flat_NoTracking(). Passing the full library as an event argument speeds up all operations which happen after the library size changes.

Fix initial backup counts
This commit is contained in:
Michael Bucari-Tovo 2025-02-27 12:05:51 -07:00
parent 2a25b7e0ad
commit 2d6120f0c4
9 changed files with 44 additions and 25 deletions
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12
Source/LibationAvalonia/ViewModels/MainVM.BackupCounts.cs
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@ -44,16 +44,18 @@ namespace LibationAvalonia.ViewModels
private void Configure_BackupCounts()
{
MainWindow.LibraryLoaded += (_, e) => setBackupCounts(e.Where(l => !l.Book.IsEpisodeParent()));
LibraryCommands.LibrarySizeChanged += (_,_) => setBackupCounts();
LibraryCommands.BookUserDefinedItemCommitted += (_, _) => setBackupCounts();
LibraryCommands.LibrarySizeChanged += async (object _, List<LibraryBook> libraryBooks)
=> await SetBackupCountsAsync(libraryBooks);
//Pass null to the setup count to get the whole library.
LibraryCommands.BookUserDefinedItemCommitted += async (_, _)
=> await SetBackupCountsAsync(null);
}
private async void setBackupCounts(IEnumerable<LibraryBook> libraryBooks = null)
public async Task SetBackupCountsAsync(IEnumerable<LibraryBook> libraryBooks)
{
if (updateCountsTask?.IsCompleted ?? true)
{
libraryBooks ??= DbContexts.GetLibrary_Flat_NoTracking();
updateCountsTask = Task.Run(() => LibraryCommands.GetCounts(libraryBooks));
var stats = await updateCountsTask;
await Dispatcher.UIThread.InvokeAsync(() => LibraryStats = stats);

5
Source/LibationAvalonia/ViewModels/MainVM.cs
View file

@ -1,7 +1,9 @@
using ApplicationServices;
using DataLayer;
using LibationAvalonia.Views;
using LibationFileManager;
using ReactiveUI;
using System.Collections.Generic;
namespace LibationAvalonia.ViewModels
{
@ -34,9 +36,8 @@ namespace LibationAvalonia.ViewModels
Configure_VisibleBooks();
}
private async void LibraryCommands_LibrarySizeChanged(object sender, System.EventArgs e)
private async void LibraryCommands_LibrarySizeChanged(object sender, List<LibraryBook> fullLibrary)
{
var fullLibrary = await System.Threading.Tasks.Task.Run(() => DbContexts.GetLibrary_Flat_NoTracking(includeParents: true));
await ProductsDisplay.UpdateGridAsync(fullLibrary);
}