Browse Source

moved post-save hook for notifs

issue32-webpushnotif
trav 4 months ago
parent
commit
fabc157f07
  1. 2
      djangoldp_notification/__init__.py
  2. 25
      djangoldp_notification/models.py
  3. 310
      djangoldp_notification/models.py~

2
djangoldp_notification/__init__.py

@ -1,2 +1,2 @@
__version__ = '0.0.0'
__version__ = '2.4.1'
name = "djangoldp_notification"

25
djangoldp_notification/models.py

@ -17,7 +17,6 @@ from djangoldp.activities.services import ActivityQueueService, ActivityPubServi
from djangoldp_notification.middlewares import MODEL_MODIFICATION_USER_FIELD
from djangoldp_notification.permissions import InboxPermissions, SubscriptionsPermissions
from djangoldp_notification.views import LDPNotificationsViewSet
from djangoldp_webpushnotification.views import _send_push
import logging
@ -277,30 +276,6 @@ def send_email_on_notification(sender, instance, created, **kwargs):
html_message=html_message
)
@receiver(post_save, sender=Notification)
def send_webpush_on_notification(sender, instance, created, **kwargs):
if instance.summary :
if instance.user: # if the person exists and accepts notifications
try:
# local author
if instance.author.startswith(settings.SITE_URL):
who = str(Model.resolve_id(instance.author.replace(settings.SITE_URL, '')).get_full_name())
# external author
else:
who = requests.get(instance.author).json()['name']
except:
who = "Quelqu'un"
payload = {
"head": "Notification from " + who,
"body": instance.summary,
"id": instance.user.id
} # make the payload that we wanna send?
_send_push(payload)
@receiver(post_save, sender=settings.AUTH_USER_MODEL)
def create_user_settings(sender, instance, created, **kwargs):
try:

310
djangoldp_notification/models.py~

@ -0,0 +1,310 @@
import requests
import json
from django.conf import settings
from django.contrib.auth import get_user_model
from django.core.mail import send_mail
from django.core.exceptions import ObjectDoesNotExist
from django.db import models
from django.db.models.signals import post_save, post_delete
from django.dispatch import receiver
from django.template import loader
from django.urls import NoReverseMatch, get_resolver, reverse
from django.utils.translation import ugettext_lazy as _
from djangoldp.fields import LDPUrlField
from djangoldp.models import Model
from djangoldp.views import LDPViewSet
from djangoldp.activities.services import ActivityQueueService, ActivityPubService, activity_sending_finished
from djangoldp_notification.middlewares import MODEL_MODIFICATION_USER_FIELD
from djangoldp_notification.permissions import InboxPermissions, SubscriptionsPermissions
from djangoldp_notification.views import LDPNotificationsViewSet
from djangoldp_webpushnotification.views import _send_push
import logging
logger = logging.getLogger('djangoldp')
class Notification(Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='inbox', on_delete=models.deletion.CASCADE)
author = LDPUrlField()
object = LDPUrlField()
type = models.CharField(max_length=255)
summary = models.TextField()
date = models.DateTimeField(auto_now_add=True)
unread = models.BooleanField(default=True)
class Meta(Model.Meta):
owner_field = 'user'
ordering = ['-date']
permission_classes = [InboxPermissions]
anonymous_perms = ['add']
authenticated_perms = ['inherit']
owner_perms = ['view', 'change', 'control']
view_set = LDPNotificationsViewSet
# NOTE: this would be our ideal cache behaviour
# the functionality for optimising it was removed because of an issue with extensibility
# https://git.startinblox.com/djangoldp-packages/djangoldp-notification/merge_requests/42#note_58559
'''def clear_djangoldp_cache(self, cache, cache_entry):
# should only clear the users/x/inbox
lookup_arg = LDPViewSet.get_lookup_arg(model=get_user_model())
url = reverse('{}-{}-list'.format(self.user.__class__.__name__.lower(), self.__class__.__name__.lower()),
args=[getattr(self.user, lookup_arg)])
url = '{}{}'.format(settings.SITE_URL, url)
cache.invalidate(cache_entry, url)
# invalidate the global /notifications/ container also
url = '{}{}'.format(settings.SITE_URL, reverse('{}-list'.format(self.__class__.__name__.lower())))
cache.invalidate(cache_entry, url)'''
def __str__(self):
return '{}'.format(self.type)
def save(self, *args, **kwargs):
# I cannot send a notification to myself
if self.author.startswith(settings.SITE_URL):
try:
# author is a WebID.. convert to local representation
author = Model.resolve(self.author.replace(settings.SITE_URL, ''))[1]
except NoReverseMatch:
author = None
if author == self.user:
return
super(Notification, self).save(*args, **kwargs)
class NotificationSetting(Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="settings")
receiveMail = models.BooleanField(default=True)
class Meta:
auto_author = 'user'
owner_field = 'user'
anonymous_perms = []
authenticated_perms = []
owner_perms = ['view', 'change']
container_path = 'settings/'
serializer_fields = ['@id', 'receiveMail']
rdf_type = 'sib:usersettings'
def __str__(self):
return '{} ({})'.format(self.user.get_full_name(), self.user.urlid)
class Subscription(Model):
object = models.URLField()
inbox = models.URLField()
field = models.CharField(max_length=255, blank=True, null=True,
help_text='if set to a field name on the object model, the field will be passed instead of the object instance')
def __str__(self):
return '{}'.format(self.object)
class Meta(Model.Meta):
anonymous_perms = []
authenticated_perms = ["add", "view", "delete"]
permission_classes = [SubscriptionsPermissions]
@receiver(post_save, sender=Subscription, dispatch_uid="nested_subscriber_check")
def create_nested_subscribers(sender, instance, created, **kwargs):
# save subscriptions for one-to-many nested fields
if created and not instance.is_backlink and instance.object.startswith(settings.SITE_URL):
try:
# object is a WebID.. convert to local representation
local = Model.resolve(instance.object.replace(settings.SITE_URL, ''))[0]
nested_fields = Model.get_meta(local, 'nested_fields', [])
# Don't create nested subscriptions for user model (Notification loop issue)
if local._meta.model_name == get_user_model()._meta.model_name:
return
for nested_field in nested_fields:
try:
field = local._meta.get_field(nested_field)
nested_container = field.related_model
nested_container_url = Model.absolute_url(nested_container)
if field.one_to_many:
# get the nested view set
nested_url = str(instance.object) + '1/' + nested_field + '/'
view, args, kwargs = get_resolver().resolve(nested_url.replace(settings.SITE_URL, ''))
# get the reverse name for the field
field_name = view.initkwargs['nested_related_name']
if field_name is not None and field_name != '':
# check that this nested-field subscription doesn't already exist
existing_subscriptions = Subscription.objects.filter(object=nested_container_url, inbox=instance.inbox,
field=field_name)
# save a Subscription on this container
if not existing_subscriptions.exists():
Subscription.objects.create(object=nested_container_url, inbox=instance.inbox, is_backlink=True,
field=field_name)
except:
pass
except:
pass
# --- SUBSCRIPTION SYSTEM ---
@receiver(post_save, dispatch_uid="callback_notif")
@receiver(post_delete, dispatch_uid="delete_callback_notif")
def send_notification(sender, instance, **kwargs):
if(type(instance).__name__ != "ScheduledActivity" and type(instance).__name__ != "LogEntry" and type(instance).__name__ != "Activity"):
if sender != Notification:
# don't send notifications for foreign resources
if hasattr(instance, 'urlid') and Model.is_external(instance.urlid):
return
recipients = []
try:
url_container = settings.BASE_URL + Model.container_id(instance)
url_resource = settings.BASE_URL + Model.resource_id(instance)
except NoReverseMatch:
return
# dispatch a notification for every Subscription on this resource
for subscription in Subscription.objects.filter(models.Q(object=url_resource) | models.Q(object=url_container)):
if subscription.inbox not in recipients and (not subscription.is_backlink or not kwargs.get("created")):
# I may have configured to send the subscription to a foreign key
if subscription.field is not None and len(subscription.field) > 1:
try:
if kwargs.get("created"):
continue
instance = getattr(instance, subscription.field, instance)
# don't send notifications for foreign resources
if hasattr(instance, 'urlid') and Model.is_external(instance.urlid):
continue
url_resource = settings.BASE_URL + Model.resource_id(instance)
except NoReverseMatch:
continue
except ObjectDoesNotExist:
continue
send_request(subscription.inbox, url_resource, instance, kwargs.get("created"))
recipients.append(subscription.inbox)
@receiver(activity_sending_finished, sender=ActivityQueueService)
def _handle_prosody_response(sender, response, saved_activity, **kwargs):
'''callback function for handling a response from Prosody on a notification'''
# if text is defined in the response body then it's an error
if saved_activity is not None:
response_body = saved_activity.response_to_json()
if 'condition' in response_body:
logger.error("[DjangoLDP-Notification.models._handle_prosody_response] error in Prosody response " +
str(response_body))
def send_request(target, object_iri, instance, created):
author = getattr(getattr(instance, MODEL_MODIFICATION_USER_FIELD, None), "urlid", str(_("Auteur inconnu")))
if(created is not None):
request_type = "creation" if created else "update"
else:
request_type = "deletion"
# local inbox
if target.startswith(settings.SITE_URL):
user = Model.resolve_parent(target.replace(settings.SITE_URL, ''))
Notification.objects.create(user=user, object=object_iri, type=request_type, author=author)
# external inbox
else:
json = {
"@context": settings.LDP_RDF_CONTEXT,
"object": object_iri,
"author": author,
"type": request_type
}
ActivityQueueService.send_activity(target, json)
@receiver(post_save, sender=Notification)
def send_email_on_notification(sender, instance, created, **kwargs):
if created and instance.summary and getattr(settings,'JABBER_DEFAULT_HOST',False) and instance.user.email:
# get author name, and store in who
try:
# local author
if instance.author.startswith(settings.SITE_URL):
who = str(Model.resolve_id(instance.author.replace(settings.SITE_URL, '')).get_full_name())
# external author
else:
who = requests.get(instance.author).json()['name']
except:
who = "Quelqu'un"
# get identifier for resource triggering notification, and store in where
try:
if instance.object.startswith(settings.SITE_URL):
if hasattr(Model.resolve_id(instance.object.replace(settings.SITE_URL, '')), 'get_full_name'):
where = Model.resolve_id(instance.object.replace(settings.SITE_URL, '')).get_full_name()
else:
where = str(Model.resolve_id(instance.object.replace(settings.SITE_URL, '')).name)
else:
where = requests.get(instance.object).json()['name']
except:
where = "le chat"
if who == where:
where = "t'a envoyé un message privé"
else:
where = "t'a mentionné sur " + where
on = (getattr(settings, 'INSTANCE_DEFAULT_CLIENT', False) or settings.JABBER_DEFAULT_HOST)
html_message = loader.render_to_string(
'email.html',
{
'on': on,
'instance': instance,
'author': who,
'object': where
}
)
if instance.user.settings.receiveMail:
send_mail(
'Notification sur ' + on,
instance.summary,
(getattr(settings, 'EMAIL_HOST_USER', False) or "noreply@" + settings.JABBER_DEFAULT_HOST),
[instance.user.email],
fail_silently=True,
html_message=html_message
)
@receiver(post_save, sender=Notification)
def send_webpush_on_notification(sender, instance, created, **kwargs):
if instance.summary :
if instance.user: # if the person exists and accepts notifications
try:
# local author
if instance.author.startswith(settings.SITE_URL):
who = str(Model.resolve_id(instance.author.replace(settings.SITE_URL, '')).get_full_name())
# external author
else:
who = requests.get(instance.author).json()['name']
except:
who = "Quelqu'un"
payload = {
"head": "Notification from " + who,
"body": instance.summary,
"id": instance.user.id
} # make the payload that we wanna send?
_send_push(payload)
@receiver(post_save, sender=settings.AUTH_USER_MODEL)
def create_user_settings(sender, instance, created, **kwargs):
try:
if created and instance.urlid.startswith(settings.SITE_URL):
NotificationSetting.objects.create(user=instance)
except:
pass
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