from django.db import models
from django.utils import timezone

class Post(models.Model):
    author = models.ForeignKey('auth.User', on_delete=models.CASCADE)
    # nickname = models.CharField(max_length = 50) # I added without DataBase settings
    # Unless nickname is deleted, it occurs errors when using queryset.
    title = models.CharField(max_length=200)
    text = models.TextField()
    created_date = models.DateTimeField(default = timezone.now)
    published_date = models.DateTimeField(blank=True, null = True)

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