"""
Models for user management.
"""
from django.contrib.auth.models import AbstractUser
from django.db import models


class User(AbstractUser):
    """Extended user model."""
    email = models.EmailField(unique=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)
    
    class Meta:
        db_table = 'users'
    
    def __str__(self):
        return self.username