def get_queryset(self):
if 'chat_uuid' not in self.request.query_params:
return NotFound('Required parameter missing')
chat_uuid = self.request.query_params.get('chat_uuid')
user = self.request.user
try:
chat = MessageParticipants.objects.get(
chat_uuid=chat_uuid
)
except MessageParticipants.DoesNotExist:
raise NotFound('Chat not found.')
try:
Participant.objects.get(user=user, chat=chat, is_active=True)
except Participant.DoesNotExist:
raise NotFound('You are not a participant of this chat.')
messages = Message.objects.filter(
message_participant=chat
)
if messages:
number_of_participants = Participant.objects.filter(
chat=chat, is_active=True
).count()
set_read(messages.exclude(sender=user), user, number_of_participants==2)
return messages
def get(self, request, id, format=None):
try:
message_queryset = Message.objects.filter(id=id)
message = message_queryset[0]
except Message.DoesNotExist:
raise NotFound('This message does not exist')
try:
chat = MessageParticipants.objects.get(
chat_uuid=message.message_participant.chat_uuid
)
Participant.objects.get(user=request.user, chat=chat, is_active=True)
except Participant.DoesNotExist:
raise NotFound('You are not a participant of this chat.')
if not message.sender == request.user:
set_read(message_queryset, self.request.user, True)
serializer = MessageSerializer(message, many=False, context={'request': request})
return Response(serializer.data, status=status.HTTP_200_OK)