Merge branch 'master' of https://twinetfs.visualstudio.com/_git/Tango

1 files changed, 79 insertions, 0 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
new file mode 100644
index 000000000..6fe90fa99
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+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;
+using Tango.Settings;
+using Tango.SharedUI;
+
+namespace Tango.MachineStudio.UI.ViewModels
+{
+    public class LoginViewVM : ViewModel
+    {
+        private IAuthenticationProvider _authenticationProvider;
+        private INavigationManager _navigationManager;
+        private INotificationProvider _notificationProvider;
+        private Rfc2898Cryptographer cryptographer;
+
+        private String _email;
+        [Required(ErrorMessage = "Email is required")]
+        [EmailAddress(ErrorMessage = "Please enter a valid email")]
+        public String Email
+        {
+            get { return _email; }
+            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)
+        {
+            _notificationProvider = notificationProvider;
+            _navigationManager = navigationManager;
+            _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)
+        {
+            if (Validate())
+            {
+                try
+                {
+                    _authenticationProvider.Login(Email, password);
+                    _navigationManager.NavigateTo(NavigationView.MainView);
+                    SettingsManager.Default.MachineStudio.LastLoginEmail = Email;
+                    SettingsManager.Default.MachineStudio.RememberMe = RememberMe;
+
+                    SettingsManager.Default.MachineStudio.LastLoginPassword = RememberMe ? cryptographer.Encrypt(password) : null;
+                    SettingsManager.SaveDefaultSettings();
+                }
+                catch
+                {
+                    _notificationProvider.ShowError("Invalid credentials. Please try again.");
+                }
+            }
+        }
+    }
+}