39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
from django.conf import settings
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from django.db import models
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from django.utils import timezone
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User = settings.AUTH_USER_MODEL
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class Announcement(models.Model):
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title = models.CharField(max_length=200, blank=True)
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message = models.TextField()
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is_active = models.BooleanField(default=True)
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start_at = models.DateTimeField(default=timezone.now)
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end_at = models.DateTimeField(null=True, blank=True)
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created_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, related_name='announcements_created')
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ['-created_at']
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def __str__(self):
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return self.title or f"Announcement #{self.pk}"
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def is_current(self):
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return bool(self.is_active)
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class AnnouncementDismissal(models.Model):
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announcement = models.ForeignKey(Announcement, on_delete=models.CASCADE)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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dismissed_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ('announcement', 'user')
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indexes = [
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models.Index(fields=['user']),
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models.Index(fields=['announcement']),
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]
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def __str__(self):
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return f"Dismissal(u={self.user_id}, a={self.announcement_id})" |