+from django.conf import settings
+
+
+class Subscription(models.Model):
+ email = models.EmailField(verbose_name=_('email address'), unique=True)
+ active = models.BooleanField(default=True, verbose_name=_('active'))
+ created_at = models.DateTimeField(auto_now_add=True)
+ last_modified = models.DateTimeField(auto_now=True)
+
+ class Meta:
+ verbose_name = _('subscription')
+ verbose_name_plural = _('subscriptions')
+
+ def __str__(self):
+ return self.email
+
+ def hashcode(self):
+ return hashlib.sha224(self.email + settings.SECRET_KEY).hexdigest()[:30]