feature<Statistics>: finish statistiscs

src/ViewModels/Statistics.cs

@@ -0,0 +1,33 @@
+using Avalonia.Threading;
+using CommunityToolkit.Mvvm.ComponentModel;
+using System.Threading.Tasks;
+
+namespace SourceGit.ViewModels {
+    public class Statistics : ObservableObject {
+        public bool IsLoading {
+            get => _isLoading;
+            private set => SetProperty(ref _isLoading, value);
+        }
+        
+        public Models.Statistics Data {
+            get => _data;
+            private set => SetProperty(ref _data, value);
+        }
+
+        public Statistics(string repo) {
+            _repo = repo;
+
+            Task.Run(() => {
+                var result = new Commands.Statistics(_repo).Result();
+                Dispatcher.UIThread.Invoke(() => {
+                    IsLoading = false;
+                    Data = result;
+                });
+            });
+        }
+
+        private string _repo = string.Empty;
+        private bool _isLoading = true;
+        private Models.Statistics _data = null;
+    }
+}