def handle_remove_push_notification(user_profile_id: int,
message_ids: List[int]) -> None:
"""This should be called when a message that previously had a
mobile push notification executed is read. This triggers a push to the
mobile app, when the message is read on the server, to remove the
message from the notification.
"""
user_profile = get_user_profile_by_id(user_profile_id)
message_ids = bulk_access_messages_expect_usermessage(
user_profile_id, message_ids)
# APNs has a 4KB limit on the maximum size of messages, which
# translated to several hundred message IDs in one of these
# notifications. In rare cases, it's possible for someone to mark
# thousands of push notification eligible messages as read at
# once. We could handle this situation with a loop, but we choose
# to truncate instead to avoid extra network traffic, because it's
# very likely the user has manually cleared the notifications in
# their mobile device's UI anyway.
#
# When truncating, we keep only the newest N messages in this
# remove event. This is optimal because older messages are the
# ones most likely to have already been manually cleared at some
# point in the past.
#
# We choose 200 here because a 10-digit message ID plus a comma and
# space consume 12 bytes, and 12 x 200 = 2400 bytes is still well
# below the 4KB limit (leaving plenty of space for metadata).
MAX_APNS_MESSAGE_IDS = 200
truncated_message_ids = list(sorted(message_ids))[-MAX_APNS_MESSAGE_IDS:]
gcm_payload, gcm_options = get_remove_payload_gcm(user_profile,
truncated_message_ids)
apns_payload = get_remove_payload_apns(user_profile, truncated_message_ids)
if uses_notification_bouncer():
send_notifications_to_bouncer(user_profile_id, apns_payload,
gcm_payload, gcm_options)
else:
android_devices = list(
PushDeviceToken.objects.filter(user=user_profile,
kind=PushDeviceToken.GCM))
apple_devices = list(
PushDeviceToken.objects.filter(user=user_profile,
kind=PushDeviceToken.APNS))
if android_devices:
send_android_push_notification(user_profile_id, android_devices,
gcm_payload, gcm_options)
if apple_devices:
send_apple_push_notification(user_profile_id, apple_devices,
apns_payload)
# We intentionally use the non-truncated message_ids here. We are
# assuming in this very rare case that the user has manually
# dismissed these notifications on the device side, and the server
# should no longer track them as outstanding notifications.
UserMessage.objects.filter(
user_profile_id=user_profile_id,
message_id__in=message_ids,
).update(flags=F("flags").bitand(
~UserMessage.flags.active_mobile_push_notification))
def handle_remove_push_notification(user_profile_id: int, message_ids: List[int]) -> None:
"""This should be called when a message that previously had a
mobile push notification executed is read. This triggers a push to the
mobile app, when the message is read on the server, to remove the
message from the notification.
"""
user_profile = get_user_profile_by_id(user_profile_id)
message_ids = bulk_access_messages_expect_usermessage(user_profile_id, message_ids)
gcm_payload, gcm_options = get_remove_payload_gcm(user_profile, message_ids)
apns_payload = get_remove_payload_apns(user_profile, message_ids)
if uses_notification_bouncer():
send_notifications_to_bouncer(user_profile_id,
apns_payload,
gcm_payload,
gcm_options)
else:
android_devices = list(PushDeviceToken.objects.filter(
user=user_profile, kind=PushDeviceToken.GCM))
apple_devices = list(PushDeviceToken.objects.filter(
user=user_profile, kind=PushDeviceToken.APNS))
if android_devices:
send_android_push_notification(android_devices, gcm_payload, gcm_options)
if apple_devices:
send_apple_push_notification(user_profile_id, apple_devices, apns_payload)
UserMessage.objects.filter(
user_profile_id=user_profile_id,
message_id__in=message_ids,
).update(
flags=F('flags').bitand(
~UserMessage.flags.active_mobile_push_notification))
def handle_remove_push_notification(user_profile_id: int, message_ids: List[int]) -> None:
"""This should be called when a message that had previously had a
mobile push executed is read. This triggers a mobile push notifica
mobile app when the message is read on the server, to remove the
message from the notification.
"""
user_profile = get_user_profile_by_id(user_profile_id)
message_ids = bulk_access_messages_expect_usermessage(user_profile_id, message_ids)
gcm_payload, gcm_options = get_remove_payload_gcm(user_profile, message_ids)
if uses_notification_bouncer():
try:
send_notifications_to_bouncer(user_profile_id,
{},
gcm_payload,
gcm_options)
except requests.ConnectionError: # nocoverage
def failure_processor(event: Dict[str, Any]) -> None:
logger.warning(
"Maximum retries exceeded for trigger:%s event:push_notification" % (
event['user_profile_id']))
else:
android_devices = list(PushDeviceToken.objects.filter(
user=user_profile, kind=PushDeviceToken.GCM))
if android_devices:
send_android_push_notification(android_devices, gcm_payload, gcm_options)
UserMessage.objects.filter(
user_profile_id=user_profile_id,
message_id__in=message_ids,
).update(
flags=F('flags').bitand(
~UserMessage.flags.active_mobile_push_notification))
