--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/bulletins/models.py	Mon Apr 06 02:43:12 2009 +0000
@@ -0,0 +1,38 @@
+"""Models for the bulletins app.
+Bulletins allow the sited admins to display and manage important notices for the website.
+"""
+
+import datetime
+from django.db import models
+from django.db.models import Q
+
+
+class BulletinManager(models.Manager):
+   """Manager for the Bulletin model."""
+
+   def get_current(self):
+      now = datetime.datetime.now()
+      return self.filter(
+            Q(is_enabled=True),
+            Q(start_date__lte=now),
+            Q(end_date__isnull=True) | Q(end_date__gte=now))
+
+
+class Bulletin(models.Model):
+   """Model to represent site bulletins."""
+   title = models.CharField(max_length=200)
+   text = models.TextField()
+   start_date = models.DateTimeField(db_index=True,
+         help_text='Start date for when the bulletin will be active.',)
+   end_date = models.DateTimeField(blank=True, null=True, db_index=True,
+         help_text='End date for the bulletin. Leave blank to keep it open-ended.')
+   is_enabled = models.BooleanField(default=True, db_index=True,
+         help_text='Check to allow the bulletin to be viewed on the site.')
+
+   objects = BulletinManager()
+
+   def __unicode__(self):
+      return self.title
+
+   class Meta:
+      ordering = ('-start_date', )