Merge pull request #378 from TechnologyEnhancedLearning/Develop/Features/TD-4111-elfh-authentication-errors-in-error-log-WebUI

TD-4111: Null exception will be inserted into DB for ClientID and Origin

Author: sarathlal-sarangadharan

LearningHub.Nhs.WebUI/Controllers/OpenAthensController.cs

@@ -235,6 +235,11 @@ public ActionResult Login(string returnUrl, bool invalidScope = false)
                 return this.View();
             }
 
+            if (string.IsNullOrWhiteSpace(this.authConfig.ClientId) || string.IsNullOrWhiteSpace(this.Settings.LearningHubWebUiUrl))
+            {
+                throw new Exception("ClientId or origin are empty.");
+            }
+
             var authUri = OpenAthensOpenIdConnect.GetAuthServerUri(this.authConfig, this.Settings, returnUrl);
 
             return this.Redirect(authUri.AbsoluteUri);