Merge pull request #415 from gadfly3173/fix/file-ops

enhancement: Some file operation optimizations

src/ViewModels/CommitDetail.cs

@@ -390,12 +390,19 @@ namespace SourceGit.ViewModels
                     return;
 
                 var options = new FolderPickerOpenOptions() { AllowMultiple = false };
+                try
+                {
                     var selected = await storageProvider.OpenFolderPickerAsync(options);
                     if (selected.Count == 1)
                     {
                         var saveTo = Path.Combine(selected[0].Path.LocalPath, Path.GetFileName(file.Path));
                         Commands.SaveRevisionFile.Run(_repo.FullPath, _commit.SHA, file.Path, saveTo);
                     }
+                }
+                catch (Exception e)
+                {
+                    App.RaiseException(_repo.FullPath, $"Failed to save file: {e.Message}");
+                }
 
                 ev.Handled = true;
             };

src/ViewModels/Histories.cs

@@ -454,6 +454,8 @@ namespace SourceGit.ViewModels
                     return;
 
                 var options = new FolderPickerOpenOptions() { AllowMultiple = false };
+                try
+                {
                     var selected = await storageProvider.OpenFolderPickerAsync(options);
                     if (selected.Count == 1)
                     {
@@ -461,6 +463,11 @@ namespace SourceGit.ViewModels
                         if (succ)
                             App.SendNotification(_repo.FullPath, App.Text("SaveAsPatchSuccess"));
                     }
+                }
+                catch (Exception exception)
+                {
+                    App.RaiseException(_repo.FullPath, $"Failed to save as patch: {exception.Message}");
+                }
 
                 e.Handled = true;
             };

src/ViewModels/Repository.cs

@@ -356,7 +356,14 @@ namespace SourceGit.ViewModels
             SelectedView = null; // Do NOT modify. Used to remove exists widgets for GC.Collect
 
             var settingsSerialized = JsonSerializer.Serialize(_settings, JsonCodeGen.Default.RepositorySettings);
+            try
+            {
                 File.WriteAllText(Path.Combine(_gitDir, "sourcegit.settings"), settingsSerialized);
+            }
+            catch (DirectoryNotFoundException)
+            {
+                // Ignore
+            }
             _settings = null;
 
             _watcher?.Dispose();

src/Views/AddWorktree.axaml.cs

@@ -1,3 +1,4 @@
+using System;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Platform.Storage;
@@ -18,9 +19,16 @@ namespace SourceGit.Views
                 return;
 
             var options = new FolderPickerOpenOptions() { AllowMultiple = false };
+            try
+            {
                 var selected = await toplevel.StorageProvider.OpenFolderPickerAsync(options);
                 if (selected.Count == 1)
                     TxtLocation.Text = selected[0].Path.LocalPath;
+            }
+            catch (Exception exception)
+            {
+               App.RaiseException(string.Empty, $"Failed to select location: {exception.Message}");
+            }
 
             e.Handled = true;
         }

src/Views/Clone.axaml.cs

@@ -1,3 +1,4 @@
+using System;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Platform.Storage;
@@ -18,9 +19,16 @@ namespace SourceGit.Views
             if (toplevel == null)
                 return;
 
+            try
+            {
                 var selected = await toplevel.StorageProvider.OpenFolderPickerAsync(options);
                 if (selected.Count == 1)
                     TxtParentFolder.Text = selected[0].Path.LocalPath;
+            }
+            catch (Exception exception)
+            {
+                App.RaiseException(string.Empty, $"Failed to select parent folder: {exception.Message}");
+            }
 
             e.Handled = true;
         }

src/Views/Preference.axaml.cs

@@ -186,12 +186,19 @@ namespace SourceGit.Views
         private async void SelectDefaultCloneDir(object _1, RoutedEventArgs _2)
         {
             var options = new FolderPickerOpenOptions() { AllowMultiple = false };
+            try
+            {
                 var selected = await StorageProvider.OpenFolderPickerAsync(options);
                 if (selected.Count == 1)
                 {
                     ViewModels.Preference.Instance.GitDefaultCloneDir = selected[0].Path.LocalPath;
                 }
             }
+            catch (Exception e)
+            {
+                App.RaiseException(string.Empty, $"Failed to select default clone directory: {e.Message}");
+            }
+        }
 
         private async void SelectGPGExecutable(object _1, RoutedEventArgs _2)
         {

src/Views/WelcomeToolbar.axaml.cs

@@ -1,3 +1,4 @@
+using System;
 using System.IO;
 
 using Avalonia.Controls;
@@ -30,9 +31,16 @@ namespace SourceGit.Views
                 options.SuggestedStartLocation = folder;
             }
 
+            try
+            {
                 var selected = await topLevel.StorageProvider.OpenFolderPickerAsync(options);
                 if (selected.Count == 1)
                     OpenOrInitRepository(selected[0].Path.LocalPath);
+            }
+            catch (Exception exception)
+            {
+                App.RaiseException(string.Empty, $"Failed to open repository: {exception.Message}");
+            }
 
             e.Handled = true;
         }