Use a supplementary "smart" decorator to get other properties
from an notification.
$Id: d344ec8c97f25332df0f0342ea8ea7ff2f7fa372 $
Paul Polishchuk (email@example.com)
#920 Create Smart decorator to get other properties of Notification,
such as reason, unread, updated_at, last_read_at, url, etc.
for details. Don't forget about unit tests.