def retrieve_private_conversation(self, request, *args, **kwargs):
user2 = self.get_object()
try:
conversation = Conversation.objects.get_or_create_for_two_users(request.user, user2)
except Exception:
return Response(status=status.HTTP_404_NOT_FOUND, data={})
serializer = ConversationSerializer(conversation, data={}, context={'request': request})
serializer.is_valid(raise_exception=True)
return Response(serializer.data)
def retrieve_conversation(self, request, *args, **kwargs):
target = self.get_object()
conversation = Conversation.objects. \
prefetch_related('conversationparticipant_set'). \
select_related('target_type'). \
get_or_create_for_target(target)
serializer = ConversationSerializer(
conversation, data={}, context=self.get_serializer_context())
serializer.is_valid(raise_exception=True)
return Response(serializer.data)
def test_instantiation(self):
serializer = ConversationSerializer(self.conversation)
self.assertEqual(serializer.data['topic'], self.conversation.topic)
self.assertEqual(serializer.data['id'], self.conversation.id)
self.assertEqual([_['id'] for _ in serializer.data['participants']],
[_.id for _ in self.conversation.participants.all()])
self.assertEqual([_['content'] for _ in serializer.data['messages']],
[_.content for _ in self.conversation.messages.all()])
def send_messages(sender, instance, created, **kwargs):
"""When there is a message in a conversation we need to send it to any subscribed participants."""
message = instance
conversation = message.conversation
topic = 'conversations:message'
push_exclude_users = []
for subscription in ChannelSubscription.objects.recent().filter(
user__in=conversation.participants.all()):
if not subscription.away_at:
push_exclude_users.append(subscription.user)
payload = ConversationMessageSerializer(
message, context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
# Send push notifications when a message is created, but not when it is modified
if created:
tokens = [
item.token for item in PushSubscription.objects.filter(
Q(user__in=conversation.participants.all())
& ~Q(user__in=push_exclude_users) & ~Q(user=message.author))
]
if len(tokens) > 0:
message_title = message.author.display_name
if isinstance(conversation.target, Group):
message_title = '{} / {}'.format(conversation.target.name,
message_title)
notify_multiple_devices(
registration_ids=tokens,
message_title=message_title,
message_body=message.content,
# this causes each notification for a given conversation to replace previous notifications
# fancier would be to make the new notifications show a summary not just the latest message
tag='conversation:{}'.format(conversation.id))
# Send conversations object to participants after sending a message
# (important for unread_message_count)
# Exclude the author because their seen_up_to status gets updated,
# so they will receive the `send_conversation_update` message
topic = 'conversations:conversation'
for subscription in ChannelSubscription.objects.recent()\
.filter(user__in=conversation.participants.all())\
.exclude(user=message.author):
payload = ConversationSerializer(
conversation,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
def send_messages(sender, instance, created, **kwargs):
"""When there is a message in a conversation we need to send it to any subscribed participants."""
message = instance
conversation = message.conversation
topic = 'conversations:message'
for subscription in ChannelSubscription.objects.recent().filter(
user__in=conversation.participants.all()).distinct():
payload = ConversationMessageSerializer(
message, context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
if created and message.is_thread_reply(
) and subscription.user != message.author:
payload = ConversationMessageSerializer(
message.thread,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
# Send push notification and conversation updates when a message is created, but not when it is modified
if not created:
return
tasks.notify_message_push_subscribers(message)
# Send conversations object to participants after sending a message
# (important for unread_message_count)
# Exclude the author because their seen_up_to status gets updated,
# so they will receive the `send_conversation_update` message
topic = 'conversations:conversation'
# Can be skipped for thread replies, as they don't alter the conversations object
if message.is_thread_reply():
return
for subscription in ChannelSubscription.objects.recent()\
.filter(user__in=conversation.participants.all())\
.exclude(user=message.author).distinct():
payload = ConversationSerializer(
conversation,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
def send_participant_left(sender, instance, **kwargs):
"""Notify other conversation participants when someone leaves"""
conversation = instance.conversation
topic = 'conversations:conversation'
for subscription in ChannelSubscription.objects.recent() \
.filter(user__in=conversation.participants.all()) \
.exclude(user=instance.user):
payload = ConversationSerializer(
conversation,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
def send_conversation_update(sender, instance, **kwargs):
# Update conversations object for user after updating their participation
# (important for seen_up_to and unread_message_count)
conversation = instance.conversation
topic = 'conversations:conversation'
payload = ConversationSerializer(conversation,
context={
'request':
MockRequest(user=instance.user)
}).data
for subscription in ChannelSubscription.objects.recent().filter(
user=instance.user):
send_in_channel(subscription.reply_channel, topic, payload)
def send_participant_joined(sender, instance, created, **kwargs):
"""Notify other participants when someone joins"""
if not created:
return
conversation = instance.conversation
topic = 'conversations:conversation'
for subscription in ChannelSubscription.objects.recent() \
.filter(user__in=conversation.participants.all()) \
.exclude(user=instance.user).distinct():
payload = ConversationSerializer(
conversation,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
def retrieve_conversation(self, request, *args, **kwargs):
target = self.get_object()
conversation = Conversation.objects.get_or_create_for_target(target)
serializer = ConversationSerializer(conversation, context={'request': request})
return Response(serializer.data)
def send_messages(sender, instance, created, **kwargs):
"""When there is a message in a conversation we need to send it to any subscribed participants."""
message = instance
conversation = message.conversation
topic = 'conversations:message'
push_exclude_users = []
for subscription in ChannelSubscription.objects.recent().filter(
user__in=conversation.participants.all()):
if not subscription.away_at:
push_exclude_users.append(subscription.user)
payload = ConversationMessageSerializer(
message, context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
if created and message.is_thread_reply(
) and subscription.user != message.author:
payload = ConversationMessageSerializer(
message.thread,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
# Send push notification and conversation updates when a message is created, but not when it is modified
if not created:
return
subscriptions = PushSubscription.objects.filter(
Q(user__in=conversation.participants.all())
& ~Q(user__in=push_exclude_users) & ~Q(user=message.author))
message_title = message.author.display_name
if isinstance(conversation.target, Group):
message_title = '{} / {}'.format(conversation.target.name,
message_title)
click_action = None
if message.is_thread_reply():
click_action = frontend_urls.thread_url(message.thread)
else:
click_action = frontend_urls.conversation_url(conversation,
message.author)
notify_subscribers(
subscriptions=subscriptions,
fcm_options={
'message_title': message_title,
'message_body': message.content,
'click_action': click_action,
'message_icon': logo_url(),
# this causes each notification for a given conversation to replace previous notifications
# fancier would be to make the new notifications show a summary not just the latest message
'tag': 'conversation:{}'.format(conversation.id)
})
# Send conversations object to participants after sending a message
# (important for unread_message_count)
# Exclude the author because their seen_up_to status gets updated,
# so they will receive the `send_conversation_update` message
topic = 'conversations:conversation'
# Can be skipped for thread replies, as they don't alter the conversations object
if message.is_thread_reply():
return
for subscription in ChannelSubscription.objects.recent()\
.filter(user__in=conversation.participants.all())\
.exclude(user=message.author):
payload = ConversationSerializer(
conversation,
context={
'request': MockRequest(user=subscription.user)
}).data
send_in_channel(subscription.reply_channel, topic, payload)
