from django.db import models
from django.contrib.auth.models import User
from django.db.models.signals import post_save
from django.dispatch import receiver

class Profile(models.Model):

    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name='user_id')
    phone = models.CharField(max_length=15, blank=True, null=True)
    address = models.CharField(max_length=50, blank=True, null=True)

    def __str__(self):
        return str(self.user)

@receiver(post_save, sender = User)
def create_user_profile(sender, instance, created, **kwargs):
    if created:
        Profile.objects.create(
            user = instance
        )
    pass