from django.contrib.auth.models import User
from django.db import models
from django.conf import settings
from django.utils import timezone


class Blog(models.Model):
    author = models.ForeignKey(User, on_delete=models.CASCADE)
    title = models.CharField(max_length=200, null=True)
    followers = models.ManyToManyField(User, blank=True, related_name="Подписки")

    def __str__(self):
        return self.title


class Post(models.Model):
    author = models.ForeignKey(User, on_delete=models.CASCADE)
    title = models.CharField(max_length=200)
    text = models.TextField()
    published_date = models.DateTimeField(blank=True, null=True)
    blog = models.ForeignKey(Blog, default="settings.AUTH_USER_MODEL", on_delete=models.CASCADE)
    viewed = models.ManyToManyField(settings.AUTH_USER_MODEL, blank=True, related_name="Просмотр")

    def publish(self):
        self.published_date = timezone.now()
        self.save()

    def __str__(self):
        return self.title