qwen edit

BookReader/ViewModels/CalibreLibraryViewModel.cs

@@ -26,6 +26,12 @@ public partial class CalibreLibraryViewModel : BaseViewModel
     [ObservableProperty]
     private string _downloadStatus = string.Empty;
 
+    [ObservableProperty]
+    private bool _isRefreshing;
+
+    [ObservableProperty]
+    private string _connectionErrorMessage = string.Empty;
+
     private int _currentPage;
 
     public CalibreLibraryViewModel(
@@ -67,6 +73,7 @@ public partial class CalibreLibraryViewModel : BaseViewModel
         if (IsBusy || !IsConfigured) return;
         IsBusy = true;
         _currentPage = 0;
+        ConnectionErrorMessage = string.Empty;
 
         try
         {
@@ -79,7 +86,8 @@ public partial class CalibreLibraryViewModel : BaseViewModel
         }
         catch (Exception ex)
         {
-            await _navigationService.DisplayAlertAsync("Error", $"Failed to load library: {ex.Message}", "OK");
+            ConnectionErrorMessage = "No connection to Calibre server";
+            System.Diagnostics.Debug.WriteLine($"Error loading Calibre library: {ex.Message}");
         }
         finally
         {
@@ -87,6 +95,22 @@ public partial class CalibreLibraryViewModel : BaseViewModel
         }
     }
 
+    [RelayCommand]
+    public async Task RefreshBooksAsync()
+    {
+        if (IsRefreshing || !IsConfigured) return;
+        IsRefreshing = true;
+
+        try
+        {
+            await LoadBooksAsync();
+        }
+        finally
+        {
+            IsRefreshing = false;
+        }
+    }
+
     [RelayCommand]
     public async Task LoadMoreBooksAsync()
     {