qwen edit

BookReader/ViewModels/BookshelfViewModel.cs

@@ -19,9 +19,6 @@ public partial class BookshelfViewModel : BaseViewModel
     [ObservableProperty]
     private bool _isEmpty;
 
-    [ObservableProperty]
-    private bool _isRefreshing;
-
     [ObservableProperty]
     private string _searchText = string.Empty;
 
@@ -53,7 +50,6 @@ public partial class BookshelfViewModel : BaseViewModel
     [RelayCommand]
     public async Task LoadBooksAsync()
     {
-        if (IsBusy) return;
         IsBusy = true;
 
         try
@@ -87,22 +83,6 @@ public partial class BookshelfViewModel : BaseViewModel
         }
     }
 
-    [RelayCommand]
-    public async Task RefreshBooksAsync()
-    {
-        if (IsRefreshing) return;
-        IsRefreshing = true;
-
-        try
-        {
-            await LoadBooksAsync();
-        }
-        finally
-        {
-            IsRefreshing = false;
-        }
-    }
-
     [RelayCommand]
     public async Task SearchAsync(object? parameter)
     {

BookReader/Views/BookshelfPage.xaml

@@ -65,10 +65,7 @@
                        HorizontalTextAlignment="Center" />
             </VerticalStackLayout>
 
-            <!-- Book Collection with PullToRefresh -->
+            <!-- Book Collection -->
-            <RefreshView Command="{Binding RefreshBooksCommand}"
-                         IsRefreshing="{Binding IsRefreshing}"
-                         IsVisible="{Binding IsEmpty, Converter={StaticResource InvertedBoolConverter}}">
             <CollectionView ItemsSource="{Binding Books}"
                             SelectionMode="None"
                             Margin="10">
@@ -157,16 +154,6 @@
                         </DataTemplate>
                     </CollectionView.ItemTemplate>
                 </CollectionView>
-            </RefreshView>
-
-            <!-- Loading Indicator -->
-            <ActivityIndicator IsRunning="{Binding IsBusy}"
-                               IsVisible="{Binding IsBusy}"
-                               Color="#FF8A65"
-                               VerticalOptions="Center"
-                               HorizontalOptions="Center"
-                               HeightRequest="50"
-                               WidthRequest="50" />
         </Grid>
 
         <!-- Bottom Shelf / Action Bar -->

BookReader/Views/BookshelfPage.xaml.cs

@@ -16,10 +16,14 @@ public partial class BookshelfPage : ContentPage
         BindingContext = viewModel;
     }
 
-    protected override async void OnAppearing()
+    protected override void OnAppearing()
     {
         base.OnAppearing();
-        await _viewModel.LoadBooksCommand.ExecuteAsync(null);
+        // Загружаем книги только если коллекция пуста
+        if (_viewModel.Books.Count == 0)
+        {
+            _ = _viewModel.LoadBooksCommand.ExecuteAsync(null);
+        }
     }
 
     private async void OnMenuClicked(object? sender, EventArgs e)