merge

1 files changed, 31 insertions, 10 deletions

diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
index f2a4f1143..a37879a5e 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
@@ -51,6 +51,15 @@ namespace Tango.MachineStudio.UI.ViewModels
             set { _password = value; RaisePropertyChangedAuto(); }
         }
 
+        private bool _isLogging;
+        /// <summary>
+        /// Gets or sets a value indicating whether this instance is logging.
+        /// </summary>
+        public bool IsLogging
+        {
+            get { return _isLogging; }
+            set { _isLogging = value; RaisePropertyChangedAuto(); }
+        }
 
         private bool _rememberMe;
         /// <summary>
@@ -81,7 +90,7 @@ namespace Tango.MachineStudio.UI.ViewModels
             _navigationManager = navigationManager;
             _authenticationProvider = authenticationProvider;
             _eventLogger = eventLogger;
-            LoginCommand = new RelayCommand(Login);
+            LoginCommand = new RelayCommand(Login,() => !IsLogging);
 
             cryptographer = new Rfc2898Cryptographer();
             Email = _settings.LastLoginEmail;
@@ -100,26 +109,38 @@ namespace Tango.MachineStudio.UI.ViewModels
         /// <summary>
         /// Logins the requested user.
         /// </summary>
-        private void Login()
+        private async void Login()
         {
             if (Validate())
             {
                 try
                 {
-                    _authenticationProvider.Login(Email, Password);
-                    _navigationManager.NavigateTo(NavigationView.MainView);
-                    _settings.LastLoginEmail = Email;
-                    _settings.RememberMe = RememberMe;
+                    IsLogging = true;
+                    InvalidateRelayCommands();
 
-                    _settings.LastLoginPassword = RememberMe ? cryptographer.Encrypt(Password) : null;
-                    _settings.Save();
+                    await Task.Factory.StartNew(() =>
+                    {
+                        _authenticationProvider.Login(Email, Password);
+                        _navigationManager.NavigateTo(NavigationView.MainView);
+                        _settings.LastLoginEmail = Email;
+                        _settings.RememberMe = RememberMe;
 
-                    _eventLogger.Log("User logged in");
+                        _settings.LastLoginPassword = RememberMe ? cryptographer.Encrypt(Password) : null;
+                        _settings.Save();
+
+                        _eventLogger.Log("User logged in");
+                    });
                 }
-                catch
+                catch (Exception)
                 {
+
                     _notificationProvider.ShowError("Invalid credentials. Please try again.");
                 }
+                finally
+                {
+                    IsLogging = false;
+                    InvalidateRelayCommands();
+                }
             }
         }
     }