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")

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)

class Category(models.Model):

    name = models.CharField(max_length=255)