#32 - Make IBundleProvider.IsAvailable asynchronous so UI won't freeze for remote filesystem.

Author: maraf

src/GitExtensions.BundleBackuper/Services/FileSystemBundleProvider.cs

@@ -18,8 +18,8 @@ internal FileSystemBundleProvider(PluginSettings settings)
             this.settings = settings;
         }
 
-        public bool IsAvailable()
-            => Directory.Exists(settings.BackupPath);
+        public Task<bool> IsAvailableAsync()
+            => Task.Run(() => Directory.Exists(settings.BackupPath));
 
         public Task<IReadOnlyCollection<Bundle>> EnumerateAsync()
         {

src/GitExtensions.BundleBackuper/Services/IBundleProvider.cs

@@ -15,7 +15,7 @@ public interface IBundleProvider
         /// Returns <c>true</c> if storage is available for reading.
         /// </summary>
         /// <returns><c>true</c> if storage is available for reading.</returns>
-        bool IsAvailable();
+        Task<bool> IsAvailableAsync();
 
         /// <summary>
         /// Enumerates all currently available backup bundles.

src/GitExtensions.BundleBackuper/UI/BundleListMenuItem.cs

@@ -44,7 +44,7 @@ private async void OnDropDownOpening(object sender, EventArgs e)
             if (DropDown.Items.Count == 3)
                 DropDown.Items.RemoveAt(2);
 
-            if (!provider.IsAvailable())
+            if (!await provider.IsAvailableAsync())
             {
                 SetItemsEnabled(false);
                 return;