74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
import logging
|
|
from threading import Thread
|
|
|
|
import requests
|
|
from django.conf import settings
|
|
from django.contrib.admin.models import LogEntry
|
|
from django.contrib.sessions.models import Session
|
|
from django.db import models
|
|
from django.db.models.signals import post_save
|
|
from django.dispatch import receiver
|
|
from oidc_provider.models import Token
|
|
|
|
from djangoldp.fields import LDPUrlField
|
|
from djangoldp.models import Model
|
|
from djangoldp.permissions import InboxPermissions
|
|
|
|
|
|
class Notification(Model):
|
|
user = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='inbox')
|
|
author_user = LDPUrlField()
|
|
object = LDPUrlField()
|
|
type = models.CharField(max_length=255)
|
|
summary = models.TextField()
|
|
date = models.DateTimeField(auto_now_add=True)
|
|
read = models.BooleanField()
|
|
|
|
class Meta:
|
|
permissions = (
|
|
('view_notification', 'Read'),
|
|
('control_notification', 'Control'),
|
|
)
|
|
permission_classes=[InboxPermissions]
|
|
ordering = ['date']
|
|
|
|
def __str__(self):
|
|
return '{}'.format(self.type)
|
|
|
|
|
|
class Subscription(Model):
|
|
object = models.URLField()
|
|
inbox = models.URLField()
|
|
|
|
class Meta:
|
|
permissions = (
|
|
('view_notification', 'Read'),
|
|
('control_notification', 'Control'),
|
|
)
|
|
|
|
def __str__(self):
|
|
return '{}'.format(self.object)
|
|
|
|
|
|
# --- SUBSCRIPTION SYSTEM ---
|
|
@receiver(post_save, dispatch_uid="callback_notif")
|
|
def send_notification(sender, instance, **kwargs):
|
|
if (sender != Notification and sender != LogEntry and sender != Session and sender != Token):
|
|
threads = []
|
|
url = settings.BASE_URL + Model.resource_id(instance) + '/'
|
|
for subscription in Subscription.objects.filter(object=url):
|
|
process = Thread(target=send_request, args=[subscription.inbox, url])
|
|
process.start()
|
|
threads.append(process)
|
|
|
|
|
|
def send_request(target, object_iri):
|
|
try:
|
|
req = requests.post(target,
|
|
json={"@context": "https://cdn.happy-dev.fr/owl/hdcontext.jsonld",
|
|
"object": object_iri, "type": "update"},
|
|
headers={"Content-Type": "application/ld+json"})
|
|
except:
|
|
logging.error('Djangoldp_notifications: Error with request')
|
|
return True
|