Implemented login remember me.

Implemented database connection while loading screen + error handling.

1 files changed, 16 insertions, 1 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 7d75d3805..6fe90fa99 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
@@ -7,6 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Tango.Core.Commands;
+using Tango.Core.Cryptography;
 using Tango.MachineStudio.Common.Authentication;
 using Tango.MachineStudio.Common.Navigation;
 using Tango.MachineStudio.Common.Notifications;
@@ -20,6 +21,7 @@ namespace Tango.MachineStudio.UI.ViewModels
         private IAuthenticationProvider _authenticationProvider;
         private INavigationManager _navigationManager;
         private INotificationProvider _notificationProvider;
+        private Rfc2898Cryptographer cryptographer;
 
         private String _email;
         [Required(ErrorMessage = "Email is required")]
@@ -30,6 +32,15 @@ namespace Tango.MachineStudio.UI.ViewModels
             set { _email = value; RaisePropertyChangedAuto(); }
         }
 
+        private bool _rememberMe;
+
+        public bool RememberMe
+        {
+            get { return _rememberMe; }
+            set { _rememberMe = value; RaisePropertyChangedAuto(); }
+        }
+
+
         public RelayCommand<String> LoginCommand { get; set; }
 
         public LoginViewVM(IAuthenticationProvider authenticationProvider, INavigationManager navigationManager, INotificationProvider notificationProvider)
@@ -39,7 +50,9 @@ namespace Tango.MachineStudio.UI.ViewModels
             _authenticationProvider = authenticationProvider;
             LoginCommand = new RelayCommand<String>(Login);
 
+            cryptographer = new Rfc2898Cryptographer();
             Email = SettingsManager.Default.MachineStudio.LastLoginEmail;
+            RememberMe = SettingsManager.Default.MachineStudio.RememberMe;
         }
 
         private void Login(String password)
@@ -51,7 +64,9 @@ namespace Tango.MachineStudio.UI.ViewModels
                     _authenticationProvider.Login(Email, password);
                     _navigationManager.NavigateTo(NavigationView.MainView);
                     SettingsManager.Default.MachineStudio.LastLoginEmail = Email;
-                    SettingsManager.Default.MachineStudio.LastLoginPassword = password;
+                    SettingsManager.Default.MachineStudio.RememberMe = RememberMe;
+
+                    SettingsManager.Default.MachineStudio.LastLoginPassword = RememberMe ? cryptographer.Encrypt(password) : null;
                     SettingsManager.SaveDefaultSettings();
                 }
                 catch