from django.db.models.signals import post_save
from django.dispatch import receiver
from .models import User, Profile
from conference.models import Participation, Trip, Payment, Abstract, RegistrationReview

@receiver(post_save, sender=User)
def create_user_profile(sender, instance, created, **kwargs):
    if created:
        Profile.objects.create(user=instance)
        Participation.objects.create(user=instance)
        Trip.objects.create(user=instance)
        Payment.objects.create(user=instance)
        Abstract.objects.create(user=instance)
        RegistrationReview.objects.create(user=instance)

@receiver(post_save, sender=User)
def save_user_profile(sender, instance, **kwargs):
    if hasattr(instance, 'profile'):
        instance.profile.save()
    if hasattr(instance, 'participation'):
        instance.participation.save()
    if hasattr(instance, 'trip'):
        instance.trip.save()
    if hasattr(instance, 'payment'):
        instance.payment.save()
    if hasattr(instance, 'abstract'):
        instance.abstract.save()
    if hasattr(instance, 'review'):
        instance.review.save()