seahub/notifications/models.py

import datetime
from django.db import models
from django.forms import ModelForm, Textarea

class Notification(models.Model):
    message = models.CharField(max_length=512)
    primary = models.BooleanField(default=False)

class UserNotification(models.Model):
    to_user = models.EmailField(db_index=True, max_length=255)
    msg_type = models.CharField(db_index=True, max_length=30)
    detail = models.TextField()
    timestamp = models.DateTimeField(default=datetime.datetime.now)
    
class NotificationForm(ModelForm):
    """
    Form for adding notification.
    """
    class Meta:
        model = Notification
        fields = ('message', 'primary')
        widgets = {
            'message': Textarea(),
        }