TMSS-719: Include more user detail in authentication_state and set proper user name

SAS/TMSS/backend/src/tmss/authentication_backends.py

@@ -62,6 +62,11 @@ class TMSSOIDCAuthenticationBackend(OIDCAuthenticationBackend):
     def create_user(self, claims):
         user = super(TMSSOIDCAuthenticationBackend, self).create_user(claims)
         logger.info('### create user=%s claims=%s' % (user, claims))
+        # take some more user details from claims  # todo: check GDPR compliance!
+        user.first_name = claims.get('given_name', user.first_name)
+        user.last_name = claims.get('family_name', user.last_name)
+        user.username = claims.get('preferred_username', user.username)
+        user.save()
         self._set_user_project_roles_from_claims(user, claims)
         self._set_user_system_roles_from_claims(user, claims)
         return user

SAS/TMSS/backend/src/tmss/tmssapp/views.py

@@ -73,7 +73,9 @@ def authentication_state(request):
         return JsonResponse({'is_authenticated': False})
 
     return JsonResponse({'is_authenticated': True,
-                         'username': request.user.username})
+                         'username': request.user.username,
+                         'email': request.user.email,
+                         'id': request.user.id})
 
 
 # Allow everybody to GET our publicly available template-json-schema's