Added logout functionality. IO-403

BodyshopUploader/ViewModels/MainViewModel.commands.cs

@@ -174,5 +174,25 @@ namespace BodyshopPartner.ViewModels
             }
         }
 
+        private ICommand _logoutCommand;
+        public ICommand LogoutCommand
+        {
+            get
+            {
+                if (_logoutCommand == null)
+                {
+                    _logoutCommand = new RelayCommand(
+                        p => true,
+                        p =>
+                        {
+                            Logout();
+                        });
+                }
+                return _logoutCommand;
+            }
+        }
+
+
+
     }
 }

BodyshopUploader/ViewModels/MainViewModel.cs

@@ -189,7 +189,16 @@ namespace BodyshopPartner.ViewModels
             IndeterminateLoading = false;
         }
 
-        public async Task LoadBodyshopData()
+
+        public void Logout()
+        {
+            Properties.Settings.Default.AuthToken = "";
+            Properties.Settings.Default.RefreshToken = "";
+            Properties.Settings.Default.Save();
+            App.Current.Shutdown();
+        }
+
+            public async Task LoadBodyshopData()
         {
             var r = new GraphQLRequest
             {