debian-python-django-push-n.../push_notifications/models.py

101 lines
3.4 KiB
Python

from __future__ import unicode_literals
from django.conf import settings
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
from django.utils.translation import ugettext_lazy as _
from .fields import HexIntegerField
@python_2_unicode_compatible
class Device(models.Model):
name = models.CharField(max_length=255, verbose_name=_("Name"), blank=True, null=True)
active = models.BooleanField(verbose_name=_("Is active"), default=True,
help_text=_("Inactive devices will not be sent notifications"))
user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True)
date_created = models.DateTimeField(verbose_name=_("Creation date"), auto_now_add=True, null=True)
class Meta:
abstract = True
def __str__(self):
return self.name or \
str(self.device_id or "") or \
"%s for %s" % (self.__class__.__name__, self.user or "unknown user")
class GCMDeviceManager(models.Manager):
def get_queryset(self):
return GCMDeviceQuerySet(self.model)
class GCMDeviceQuerySet(models.query.QuerySet):
def send_message(self, message, **kwargs):
if self:
from .gcm import gcm_send_bulk_message
data = kwargs.pop("extra", {})
if message is not None:
data["message"] = message
reg_ids = list(self.filter(active=True).values_list('registration_id', flat=True))
return gcm_send_bulk_message(registration_ids=reg_ids, data=data, **kwargs)
class GCMDevice(Device):
# device_id cannot be a reliable primary key as fragmentation between different devices
# can make it turn out to be null and such:
# http://android-developers.blogspot.co.uk/2011/03/identifying-app-installations.html
device_id = HexIntegerField(verbose_name=_("Device ID"), blank=True, null=True, db_index=True,
help_text=_("ANDROID_ID / TelephonyManager.getDeviceId() (always as hex)"))
registration_id = models.TextField(verbose_name=_("Registration ID"))
objects = GCMDeviceManager()
class Meta:
verbose_name = _("GCM device")
def send_message(self, message, **kwargs):
from .gcm import gcm_send_message
data = kwargs.pop("extra", {})
if message is not None:
data["message"] = message
return gcm_send_message(registration_id=self.registration_id, data=data, **kwargs)
class APNSDeviceManager(models.Manager):
def get_queryset(self):
return APNSDeviceQuerySet(self.model)
class APNSDeviceQuerySet(models.query.QuerySet):
def send_message(self, message, **kwargs):
if self:
from .apns import apns_send_bulk_message
reg_ids = list(self.filter(active=True).values_list('registration_id', flat=True))
return apns_send_bulk_message(registration_ids=reg_ids, alert=message, **kwargs)
class APNSDevice(Device):
device_id = models.UUIDField(verbose_name=_("Device ID"), blank=True, null=True, db_index=True,
help_text="UDID / UIDevice.identifierForVendor()")
registration_id = models.CharField(verbose_name=_("Registration ID"), max_length=200, unique=True)
objects = APNSDeviceManager()
class Meta:
verbose_name = _("APNS device")
def send_message(self, message, **kwargs):
from .apns import apns_send_message
return apns_send_message(registration_id=self.registration_id, alert=message, **kwargs)
# This is an APNS-only function right now, but maybe GCM will implement it
# in the future. But the definition of 'expired' may not be the same. Whatevs
def get_expired_tokens():
from .apns import apns_fetch_inactive_ids
return apns_fetch_inactive_ids()