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

from lib.middleware.current_user import get_current_user


class DateAware(models.Model):
    class Meta:
        abstract = True

    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)


class AuthorAware(models.Model):
    class Meta:
        abstract = True

    author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, default=get_current_user)


class DescriptionAware(models.Model):
    class Meta:
        abstract = True

    description = models.TextField(null=True, blank=True)


class NameAware(models.Model):
    class Meta:
        abstract = True

    name = models.CharField(max_length=100, unique=True, db_index=True)

class PublishedAware(models.Model):
    class Meta:
        abstract= True

    is_published = models.BooleanField(default=False, blank=True)