+ @classmethod
+ def reset(cls, email):
+ cls.objects.filter(email=email).delete()
+ Schedule = apps.get_model('club', 'Schedule')
+ Membership = apps.get_model('club', 'Membership')
+ for schedule in Schedule.objects.filter(email=email):
+ schedule.update_contact()
+ for membership in Membership.objects.filter(manual=True, user__email=email):
+ membership.update_contact()
+