moviewyrm/bookwyrm/models/announcement.py

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""" admin announcements """
from django.db import models
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from django.db.models import Q
from django.utils import timezone
from .base_model import BookWyrmModel
class Announcement(BookWyrmModel):
"""The admin has something to say"""
user = models.ForeignKey("User", on_delete=models.PROTECT)
preview = models.CharField(max_length=255)
content = models.TextField()
event_date = models.DateTimeField(blank=True, null=True)
start_date = models.DateTimeField(blank=True, null=True)
end_date = models.DateTimeField(blank=True, null=True)
active = models.BooleanField(default=True)
@classmethod
def active_announcements(cls):
"""announcements that should be displayed"""
now = timezone.now()
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return cls.objects.filter(
Q(start_date__isnull=True) | Q(start_date__lte=now),
Q(end_date__isnull=True) | Q(end_date__gte=now),
active=True,
)