django_offline_messages_middleware.py

#Taken from http://groups.google.com/group/django-users/browse_thread/thread/a743280fd76845e3#

class OfflineNotification(models.Model): 
    user = models.ForeignKey(User) 
    message = models.TextField() 
    level = models.PositiveSmallIntegerField(default=20) 
    created = models.DateTimeField(auto_now_add=True) 

class OfflineNotificationsMiddleware: 
    def process_request(self, request): 
        if request.user.is_authenticated(): 
            notifications = OfflineNotification.objects.filter(user=request.user).distinct('message') 
            for notification in notifications: 
                messages.add_message(request, notification.level, notification.message) 
            if notifications: 
                OfflineNotification.objects.filter(user=request.user).delete()