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# blog/models.py
from django.db import models
from django.contrib.auth.models import User

class Category(models.Model):
    name  = models.CharField(max_length=100)
    slug  = models.SlugField(unique=True)

class Meta:
        verbose_name_plural = 'categories'
        ordering = ['name']

def __str__(self):
        return self.name

class Post(models.Model):
    STATUS = [('draft', 'Draft'), ('published', 'Published')]

title      = models.CharField(max_length=200)
    slug       = models.SlugField(unique_for_date='created_at')
    author     = models.ForeignKey(User, on_delete=models.CASCADE)
    category   = models.ForeignKey(Category, on_delete=models.SET_NULL, null=True)
    body       = models.TextField()
    status     = models.CharField(max_length=10, choices=STATUS, default='draft')
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

class Meta:
        ordering = ['-created_at']

def __str__(self):
        return self.title

# Run migrations
# python manage.py makemigrations
# python manage.py migrate