text: from django.db import models
  from django.conf import settings
  from blog.models import Article
  from DjangoBlog.utils import logger
  from django.utils.timezone import now
  
  
  # Create your models here.
  
  class Comment(models.Model):
      body = models.TextField('正文', max_length=300)
      created_time = models.DateTimeField('创建时间', default=now)
      last_mod_time = models.DateTimeField('修改时间', default=now)
      author = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name='作者', on_delete=models.CASCADE)
      article = models.ForeignKey(Article, verbose_name='文章', on_delete=models.CASCADE)
      parent_comment = models.ForeignKey('self', verbose_name="上级评论", blank=True, null=True, on_delete=models.CASCADE)
      is_enable = models.BooleanField('是否显示', default=True, blank=False, null=False)
  
      class Meta:
          ordering = ['created_time']
          verbose_name = "评论"
          verbose_name_plural = verbose_name
          get_latest_by = 'created_time'
  
      def __str__(self):
          return self.body
  
      def save(self, *args, **kwargs):
          super().save(*args, **kwargs)
  