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

1 files changed, 26 insertions, 8 deletions

diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs
index 7aa9ae890..2de61fd75 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs
@@ -17,6 +17,7 @@ using Tango.MachineStudio.Common.StudioApplication;
 using Tango.Core.Helpers;
 using Tango.MachineStudio.Common.Web;
 using Tango.BL.Builders;
+using System.Data.Entity.Core;
 
 namespace Tango.MachineStudio.UI.Authentication
 {
@@ -70,28 +71,45 @@ namespace Tango.MachineStudio.UI.Authentication
             var settings = SettingsManager.Default.GetOrCreate<MachineStudioSettings>();
 
             _client.Environment = settings.DeploymentSlot;
-            var response = _client.Login(new LoginRequest()
+
+            LoginResponse response = null;
+
+            try
             {
+                response = _client.Login(new LoginRequest()
+                {
 
-                Email = email,
-                Password = password,
-                Version = AssemblyHelper.GetCurrentAssemblyVersion().ToString(),
+                    Email = email,
+                    Password = password,
+                    Version = AssemblyHelper.GetCurrentAssemblyVersion().ToString(),
 
-            }).Result;
+                }).Result;
+            }
+            catch (Exception ex)
+            {
+                throw new AggregateException(new AuthenticationException("Error logging in to machine service."), ex);
+            }
 
             if (settings.Environment == MachineStudioSettings.WorkingEnvironment.Remote)
             {
                 ObservablesContext.OverrideSettingsDataSource(response.DataSource);
             }
 
+            if (response.VersionChangeRequired)
+            {
+                return new AuthenticationLoginResult()
+                {
+                    Response = response
+                };
+            }
+
             try
             {
                 ObservablesStaticCollections.Instance.Initialize();
             }
-            catch (System.Data.Entity.Core.MetadataException)
+            catch (Exception ex)
             {
-                ObservablesContext.ClearModelStore();
-                ObservablesStaticCollections.Instance.Initialize();
+                throw new AggregateException(new MetadataException("Error initializing database connection."), ex);
             }
 
             using (ObservablesContext db = ObservablesContext.CreateDefault())