annotate gpp/bulletins/models.py @ 1:dbd703f7d63a
Initial import of sg101 stuff from private repository.
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gremmie |
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Mon, 06 Apr 2009 02:43:12 +0000 |
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e249b5f9d180 |
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1 """Models for the bulletins app.
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2 Bulletins allow the sited admins to display and manage important notices for the website.
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3 """
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4
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5 import datetime
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6 from django.db import models
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7 from django.db.models import Q
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8
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9
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10 class BulletinManager(models.Manager):
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11 """Manager for the Bulletin model."""
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12
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13 def get_current(self):
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14 now = datetime.datetime.now()
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15 return self.filter(
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16 Q(is_enabled=True),
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17 Q(start_date__lte=now),
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18 Q(end_date__isnull=True) | Q(end_date__gte=now))
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19
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20
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21 class Bulletin(models.Model):
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22 """Model to represent site bulletins."""
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23 title = models.CharField(max_length=200)
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24 text = models.TextField()
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25 start_date = models.DateTimeField(db_index=True,
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26 help_text='Start date for when the bulletin will be active.',)
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27 end_date = models.DateTimeField(blank=True, null=True, db_index=True,
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28 help_text='End date for the bulletin. Leave blank to keep it open-ended.')
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29 is_enabled = models.BooleanField(default=True, db_index=True,
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30 help_text='Check to allow the bulletin to be viewed on the site.')
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31
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32 objects = BulletinManager()
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33
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34 def __unicode__(self):
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35 return self.title
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36
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37 class Meta:
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38 ordering = ('-start_date', )
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