64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
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from django.db import models
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from django.contrib.auth.models import User
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class File(models.Model):
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owner = models.ForeignKey(User, on_delete=models.CASCADE, related_name='files')
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file = models.FileField(upload_to='uploads/')
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shared_with = models.ManyToManyField(User, related_name='shared_files', blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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description = models.TextField(blank=True)
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def __str__(self):
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return f"{self.file.name}（{self.owner.username}）"
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class Message(models.Model):
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sender = models.ForeignKey(User, on_delete=models.CASCADE, related_name='sent_messages')
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recipients = models.ManyToManyField(User, related_name='received_messages')
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content = models.TextField()
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created_at = models.DateTimeField(auto_now_add=True)
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file = models.ForeignKey(File, on_delete=models.SET_NULL, null=True, blank=True)
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def __str__(self):
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return f"来自 {self.sender.username} 的消息"
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class Meta:
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ordering = ['-created_at']
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class PublicMessage(models.Model):
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name = models.CharField(max_length=100, default="公共", editable=False)
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content = models.TextField()
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created_at = models.DateTimeField(auto_now_add=True)
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ip_address = models.GenericIPAddressField(null=True, blank=True)
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def __str__(self):
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return f"来自 {self.name or '匿名用户'} 的公开留言"
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class PublicFile(models.Model):
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name = models.CharField(max_length=100, default="公共", editable=False)
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file = models.FileField(upload_to='public_uploads/')
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description = models.TextField(blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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ip_address = models.GenericIPAddressField(null=True, blank=True)
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def __str__(self):
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return f"来自 {self.name or '匿名用户'} 的公开文件"
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class Friendship(models.Model):
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STATUS_CHOICES = [
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('pending', '等待中'),
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('accepted', '已接受'),
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('rejected', '已拒绝'),
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]
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from_user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='friendship_requests_sent')
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to_user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='friendship_requests_received')
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status = models.CharField(max_length=10, choices=STATUS_CHOICES, default='pending')
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ('from_user', 'to_user')
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ordering = ['-created_at']
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def __str__(self):
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return f"{self.from_user.username} -> {self.to_user.username} ({self.status})"
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