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from django.db import models
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from django.utils import timezone
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from article.models import Article
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from django.contrib.auth.models import User
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class Comment(models.Model):
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parent = models.ForeignKey(
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'self',
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name='children',
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)
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# 评论人
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author = models.ForeignKey(
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User,
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on_delete=models.CASCADE,
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related_name='comments',
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)
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# 文章
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article = models.ForeignKey(
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Article,
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on_delete=models.CASCADE,
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related_name='comments',
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)
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# 评论内容
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content = models.TextField()
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# 评论时间
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created = models.DateTimeField(default=timezone.now)
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class Meta:
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ordering = ['-created']
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def __str__(self):
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# 展示前20个字符
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return self.content[:20]
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