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

82 lines
2.5 KiB
Python

from django.contrib import admin, messages
from django.contrib.auth import get_user_model
from django.utils.translation import ugettext_lazy as _
from .gcm import GCMError
from .models import APNSDevice, GCMDevice, get_expired_tokens
User = get_user_model()
class DeviceAdmin(admin.ModelAdmin):
list_display = ("__str__", "device_id", "user", "active", "date_created")
search_fields = ("name", "device_id", "user__%s" % (User.USERNAME_FIELD))
list_filter = ("active", )
actions = ("send_message", "send_bulk_message", "prune_devices", "enable", "disable")
def send_messages(self, request, queryset, bulk=False):
"""
Provides error handling for DeviceAdmin send_message and send_bulk_message methods.
"""
ret = []
errors = []
r = ""
for device in queryset:
try:
if bulk:
r = queryset.send_message("Test bulk notification")
else:
r = device.send_message("Test single notification")
if r:
ret.append(r)
except GCMError as e:
errors.append(str(e))
if bulk:
break
if errors:
self.message_user(request, _("Some messages could not be processed: %r" % (", ".join(errors))), level=messages.ERROR)
if ret:
if not bulk:
ret = ", ".join(ret)
if errors:
msg = _("Some messages were sent: %s" % (ret))
else:
msg = _("All messages were sent: %s" % (ret))
self.message_user(request, msg)
def send_message(self, request, queryset):
self.send_messages(request, queryset)
send_message.short_description = _("Send test message")
def send_bulk_message(self, request, queryset):
self.send_messages(request, queryset, True)
send_bulk_message.short_description = _("Send test message in bulk")
def enable(self, request, queryset):
queryset.update(active=True)
enable.short_description = _("Enable selected devices")
def disable(self, request, queryset):
queryset.update(active=False)
disable.short_description = _("Disable selected devices")
def prune_devices(self, request, queryset):
# Note that when get_expired_tokens() is called, Apple's
# feedback service resets, so, calling it again won't return
# the device again (unless a message is sent to it again). So,
# if the user doesn't select all the devices for pruning, we
# could very easily leave an expired device as active. Maybe
# this is just a bad API.
expired = get_expired_tokens()
devices = queryset.filter(registration_id__in=expired)
for d in devices:
d.active = False
d.save()
admin.site.register(APNSDevice, DeviceAdmin)
admin.site.register(GCMDevice, DeviceAdmin)