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Improve Library load and refresh performance

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This commit is contained in:
MBucari 2023-03-10 18:17:24 -07:00
parent ef1edf1136
commit e1cd8b8f94
4 changed files with 45 additions and 25 deletions
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14
Source/LibationAvalonia/ViewModels/ProductsDisplayViewModel.cs
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@ -88,13 +88,7 @@ namespace LibationAvalonia.ViewModels
internal void BindToGrid(List<LibraryBook> dbBooks)
{
GridEntries = new(SOURCE)
{
Filter = CollectionFilter
};
GridEntries.CollectionChanged += (_, _)
=> VisibleCountChanged?.Invoke(this, GridEntries.OfType<LibraryBookEntry>().Count());
GridEntries = new(SOURCE) { Filter = CollectionFilter };
var geList = dbBooks
.Where(lb => lb.Book.IsProduct())
@ -122,6 +116,9 @@ namespace LibationAvalonia.ViewModels
//Create the filtered-in list before adding entries to avoid a refresh
FilteredInGridEntries = QueryResults(geList, FilterString);
SOURCE.AddRange(geList.OrderByDescending(e => e.DateAdded));
VisibleCountChanged?.Invoke(this, GridEntries.OfType<LibraryBookEntry>().Count());
GridEntries.CollectionChanged += (_, _)
=> VisibleCountChanged?.Invoke(this, GridEntries.OfType<LibraryBookEntry>().Count());
}
/// <summary>
@ -134,7 +131,7 @@ namespace LibationAvalonia.ViewModels
//Add absent entries to grid, or update existing entry
var allEntries = SOURCE.BookEntries();
var seriesEntries = SOURCE.SeriesEntries().ToList();
var parentedEpisodes = dbBooks.ParentedEpisodes();
var parentedEpisodes = dbBooks.ParentedEpisodes().ToList();
await Dispatcher.UIThread.InvokeAsync(() =>
{
@ -177,7 +174,6 @@ namespace LibationAvalonia.ViewModels
#endregion
await Filter(FilterString);
GC.Collect(GC.MaxGeneration, GCCollectionMode.Aggressive, true, true);
}
private void RemoveBooks(IEnumerable<LibraryBookEntry> removedBooks, IEnumerable<SeriesEntry> removedSeries)