from django.db.models.signals import post_delete, post_save
from django.dispatch import receiver

from vbv_lernwelt.course.models import Course, CourseConfiguration, CourseSessionUser


@receiver(post_save, sender=Course)
def create_course_configuration(sender, instance, created, **kwargs):
    if created:
        CourseConfiguration.objects.create(course=instance)


@receiver(post_delete, sender=CourseSessionUser)
def after_delete(sender, instance, **kwargs):
    CourseSessionUser.remove_sso_roles_from_user(instance)