Resolve "After changing the user of a person, groups are not synced"

Closes #628 (closed)

aleksis/core/models.py

@@ -316,7 +316,7 @@ class Person(ExtensibleModel):
     def initials(self):
         return f"{self.first_name[0]}{self.last_name[0]}".upper()
 
-    user_info_tracker = FieldTracker(fields=("first_name", "last_name", "email"))
+    user_info_tracker = FieldTracker(fields=("first_name", "last_name", "email", "user"))
 
     @property
     def member_of_recursive(self) -> QuerySet:
@@ -347,6 +347,10 @@ class Person(ExtensibleModel):
             self.user.email = self.email
             self.user.save()
 
+            # Synchronise groups to Django
+            for group in self.member_of.all():
+                group.save()
+
         # Select a primary group if none is set
         self.auto_select_primary_group()