from django.db import models from django.utils import timezone class Article(models.Model): title = models.CharField(max_length=100) pub_date = models.DateField() pub_datetime = models.DateTimeField(default=timezone.now()) categories = models.ManyToManyField("Category", related_name="articles") def __str__(self): return self.title class Comment(models.Model): article = models.ForeignKey(Article, models.CASCADE, related_name="comments") text = models.TextField() pub_date = models.DateField() approval_date = models.DateField(null=True) def __str__(self): return 'Comment to %s (%s)' % (self.article.title, self.pub_date) class Category(models.Model): name = models.CharField(max_length=255)