feat(dgsi/account): Update the e-mail address at login

src/shared/account.py

@@ -12,6 +12,7 @@ from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
 from dgsi.models import Translation, User
+from shared.kanidm import sync_call
 
 logger = logging.getLogger(__name__)
 
@@ -95,6 +96,12 @@ class SharedAccountAdapter(DefaultSocialAccountAdapter):
         u.is_superuser = u.part_of(settings.DGSI_SUPERUSER_GROUP)
         u.is_staff = u.is_superuser or u.part_of(settings.DGSI_STAFF_GROUP)
 
+        # Update the e-mail address if possible
+        if u.kanidm is not None:
+            emails = sync_call("call_get", f"/v1/person/{u.username}/_attr/mail")
+            if emails != []:
+                u.email = emails[0]
+
         # Save the updated user if needed
         if sociallogin.is_existing:
             u.save()