review-automation-server/gauth/models.py

from django.db import models
from django.contrib.auth.models import User


class UserModel(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name='token_of')
    refresh_token = models.CharField(max_length=30)

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