enhance: limit the rate to call UpdateStatusAsync and add hotkey F5 to call it forcely

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/ViewModels/Welcome.cs

@@ -52,8 +52,16 @@ public void Refresh()
             Rows.AddRange(rows);
         }
 
-        public async Task UpdateStatusAsync()
+        public async Task UpdateStatusAsync(bool force)
         {
+            if (!force)
+            {
+                var passed = DateTime.Now - _lastUpdateStatus;
+                if (passed.TotalSeconds < 10.0)
+                    return;
+            }
+
+            _lastUpdateStatus = DateTime.Now;
             foreach (var node in Preferences.Instance.RepositoryNodes)
                 await node.UpdateStatusAsync();
         }
@@ -275,6 +283,7 @@ private void MakeTreeRows(List<RepositoryNode> rows, List<RepositoryNode> nodes,
             }
         }
 
+        private DateTime _lastUpdateStatus = DateTime.UnixEpoch.ToLocalTime();
         private string _searchFilter = string.Empty;
     }
 }

src/Views/Launcher.axaml.cs

@@ -266,6 +266,12 @@ protected override async void OnKeyDown(KeyEventArgs e)
                     e.Handled = true;
                     return;
                 }
+                else if (vm.ActivePage.Data is ViewModels.Welcome welcome)
+                {
+                    e.Handled = true;
+                    await welcome.UpdateStatusAsync(true);
+                    return;
+                }
             }
 
             base.OnKeyDown(e);

src/Views/Welcome.axaml.cs

@@ -64,7 +64,7 @@ public Welcome()
         protected override async void OnLoaded(RoutedEventArgs e)
         {
             base.OnLoaded(e);
-            await ViewModels.Welcome.Instance.UpdateStatusAsync();
+            await ViewModels.Welcome.Instance.UpdateStatusAsync(false);
         }
 
         protected override void OnKeyDown(KeyEventArgs e)