Files
allianceauth/allianceauth/notifications/models.py
2021-01-16 00:09:49 +00:00

67 lines
2.1 KiB
Python

import logging
from django.db import models
from django.contrib.auth.models import User
from .managers import NotificationManager
logger = logging.getLogger(__name__)
class Notification(models.Model):
"""Notification to a user within Auth"""
NOTIFICATIONS_MAX_PER_USER_DEFAULT = 50
NOTIFICATIONS_REFRESH_TIME_DEFAULT = 30
LEVEL_CHOICES = (
('danger', 'CRITICAL'),
('danger', 'ERROR'),
('warning', 'WARN'),
('info', 'INFO'),
('success', 'DEBUG'),
)
user = models.ForeignKey(User, on_delete=models.CASCADE)
level = models.CharField(choices=LEVEL_CHOICES, max_length=10)
title = models.CharField(max_length=254)
message = models.TextField()
timestamp = models.DateTimeField(auto_now_add=True, db_index=True)
viewed = models.BooleanField(default=False, db_index=True)
objects = NotificationManager()
def __str__(self) -> str:
return "%s: %s" % (self.user, self.title)
def save(self, *args, **kwargs):
# overriden save to ensure cache is invaidated on very call
super().save(*args, **kwargs)
Notification.objects.invalidate_user_notification_cache(self.user.pk)
def delete(self, *args, **kwargs):
# overriden delete to ensure cache is invaidated on very call
super().delete(*args, **kwargs)
Notification.objects.invalidate_user_notification_cache(self.user.pk)
def mark_viewed(self) -> None:
"""mark notification as viewed"""
logger.info("Marking notification as viewed: %s" % self)
self.viewed = True
self.save()
def set_level(self, level_name: str) -> None:
"""set notification level according to level name, e.g. 'CRITICAL'
raised exception on invalid level names
"""
try:
new_level = [
item[0] for item in self.LEVEL_CHOICES if item[1] == level_name
][0]
except IndexError:
raise ValueError('Invalid level name: %s' % level_name)
self.level = new_level
self.save()