97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
import logging
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from threading import Thread
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import requests
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from django.conf import settings
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from django.contrib.admin.models import LogEntry
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from django.contrib.sessions.models import Session
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from django.core.mail import send_mail
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from django.db import models
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from oidc_provider.models import Token
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from django.urls import NoReverseMatch
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from djangoldp.fields import LDPUrlField
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from djangoldp.models import Model
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from djangoldp.permissions import InboxPermissions
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from django.template import loader
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class Notification(Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='inbox', on_delete=models.deletion.CASCADE)
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author = LDPUrlField()
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object = LDPUrlField()
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type = models.CharField(max_length=255)
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summary = models.TextField()
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date = models.DateTimeField(auto_now_add=True)
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unread = models.BooleanField(default=True)
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class Meta(Model.Meta):
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#permission_classes = [InboxPermissions]
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depth = 0
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ordering = ['-date']
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def __str__(self):
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return '{}'.format(self.type)
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class Subscription(Model):
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object = models.URLField()
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inbox = models.URLField()
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def __str__(self):
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return '{}'.format(self.object)
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# --- SUBSCRIPTION SYSTEM ---
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@receiver(post_save, dispatch_uid="callback_notif")
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def send_notification(sender, instance, **kwargs):
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if sender != Notification:
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threads = []
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try:
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urlContainer = settings.BASE_URL + Model.container_id(instance)
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urlResource = settings.BASE_URL + Model.resource_id(instance)
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except NoReverseMatch:
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return
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for subscription in Subscription.objects.filter(models.Q(object=urlResource)|models.Q(object=urlContainer)):
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process = Thread(target=send_request, args=[subscription.inbox, urlResource])
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process.start()
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threads.append(process)
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def send_request(target, object_iri):
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try:
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req = requests.post(target,
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json={"@context": "https://cdn.happy-dev.fr/owl/hdcontext.jsonld",
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"object": object_iri, "type": "update"},
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headers={"Content-Type": "application/ld+json"})
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except:
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logging.error('Djangoldp_notifications: Error with request')
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return True
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@receiver(post_save, sender=Notification)
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def send_email_on_notification(sender, instance, created, **kwargs):
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if created and instance.summary and settings.JABBER_DEFAULT_HOST and instance.user.email:
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html_message = loader.render_to_string(
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'email.html',
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{
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'on': settings.JABBER_DEFAULT_HOST,
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'instance': instance,
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'author': requests.get(instance.author).json()['name'] or 'Unknown user'
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}
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)
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send_mail(
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'Notification on ' + settings.JABBER_DEFAULT_HOST,
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instance.summary,
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settings.EMAIL_HOST_USER or "noreply@" + settings.JABBER_DEFAULT_HOST,
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[instance.user.email],
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fail_silently=True,
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html_message=html_message
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)
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else:
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raise Exception('Misconfiguration, missing JABBER_DEFAULT_HOST or incomplete instance')
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