[wip] Adding Caching to the clone repo dialog

src/GitHub.App/SampleData/Dialog/Clone/SelectPageViewModelDesigner.cs

@@ -41,6 +41,7 @@ public SelectPageViewModelDesigner()
         public ICollectionView ItemsView { get; }
         public IRepositoryItemViewModel SelectedItem { get; set; }
         public RepositoryModel Repository { get; }
+        public ReactiveCommand<Unit, Unit> Refresh { get; }
 
         public void Initialize(IConnection connection)
         {

src/GitHub.App/ViewModels/Dialog/Clone/RepositorySelectViewModel.cs

@@ -35,6 +35,7 @@ public class RepositorySelectViewModel : ViewModelBase, IRepositorySelectViewMod
         ICollectionView itemsView;
         ObservableAsPropertyHelper<RepositoryModel> repository;
         IRepositoryItemViewModel selectedItem;
+        static bool firstLoad = true;
 
         [ImportingConstructor]
         public RepositorySelectViewModel(IRepositoryCloneService service, IGitHubContextService gitHubContextService)
@@ -57,6 +58,12 @@ public RepositorySelectViewModel(IRepositoryCloneService service, IGitHubContext
                 .ToProperty(this, x => x.Repository);
 
             this.WhenAnyValue(x => x.Filter).Subscribe(_ => ItemsView?.Refresh());
+
+            Refresh = ReactiveCommand.CreateFromTask(async () =>
+            {
+                await this.LoadItems(true);
+                return Unit.Default;
+            });
         }
 
         public Exception Error
@@ -101,6 +108,8 @@ public IRepositoryItemViewModel SelectedItem
             set => this.RaiseAndSetIfChanged(ref selectedItem, value);
         }
 
+        public ReactiveCommand<Unit, Unit> Refresh { get; }
+
         public RepositoryModel Repository => repository.Value;
 
         public void Initialize(IConnection connection)
@@ -113,7 +122,8 @@ public void Initialize(IConnection connection)
 
         public async Task Activate()
         {
-            await this.LoadItems(true);
+            await this.LoadItems(firstLoad);
+            firstLoad = false;
         }
 
         static string GroupName(KeyValuePair<string, IReadOnlyList<RepositoryListItemModel>> group, int max)

src/GitHub.Exports.Reactive/ViewModels/Dialog/Clone/IRepositorySelectViewModel.cs

@@ -16,6 +16,7 @@ public interface IRepositorySelectViewModel : IRepositoryCloneTabViewModel
         IReadOnlyList<IRepositoryItemViewModel> Items { get; }
         ICollectionView ItemsView { get; }
         IRepositoryItemViewModel SelectedItem { get; set; }
+        ReactiveCommand<Unit, Unit> Refresh { get; }
 
         void Initialize(IConnection connection);
     }

src/GitHub.VisualStudio.UI/Views/Dialog/Clone/SelectPageView.xaml

@@ -21,11 +21,11 @@
     </UserControl.Resources>
 
     <DockPanel>
-        <ghfvs:PromptTextBox DockPanel.Dock="Top"
-                             Margin="0,4"
-                             PromptText="Search or enter a URL"
-                             Text="{Binding Filter, UpdateSourceTrigger=PropertyChanged, Delay=300}"/>
-
+        <DockPanel DockPanel.Dock="Top" Margin="0,4">
+            <Button DockPanel.Dock="Right" Command="{Binding Refresh}">Refresh</Button>
+            <ghfvs:PromptTextBox PromptText="Search or enter a URL"
+                                 Text="{Binding Filter, UpdateSourceTrigger=PropertyChanged, Delay=300}"/>
+        </DockPanel>
         <Grid>
             <ListView BorderThickness="0"
                       ItemsSource="{Binding ItemsView}"