async def create_trip(self, event):
trip = await self._create_trip(event.get('data'))
trip_id = f'{trip.id}'
trip_data = ReadOnlyTripSerializer(trip).data
# Send rider requests to all drivers.
await self.channel_layer.group_send(group='drivers',
message={
'type': 'echo.message',
'data': trip_data
})
if trip_id not in self.trips:
self.trips.add(trip_id)
await self.channel_layer.group_add(group=trip_id,
channel=self.channel_name)
await self.send_json({'type': 'create.trip', 'data': trip_data})
async def update_trip(self, event):
trip = await self._update_trip(event.get('data'))
trip_id = f'{trip.id}'
trip_data = ReadOnlyTripSerializer(trip).data
# Send updates to riders that subscribe to this trip.
await self.channel_layer.group_send(group=trip_id,
message={
'type': 'echo.message',
'data': trip_data
})
if trip_id not in self.trips:
self.trips.add(trip_id)
await self.channel_layer.group_add(group=trip_id,
channel=self.channel_name)
await self.send_json({'type': 'update.trip', 'data': trip_data})
async def update_trip(self, event):
trip = await self._update_trip(event.get('data'))
trip_id = f'{trip.id}'
trip_data = ReadOnlyTripSerializer(trip).data
# Send updates to riders that subscribe to this trip.
await self.channel_layer.group_send(group=trip_id,
message={
'type': 'echo.message',
'data': trip_data
})
# Handle add only if trip is not being tracked.
# This happens when a driver accepts a request.
if trip_id not in self.trips:
self.trips.add(trip_id)
await self.channel_layer.group_add(group=trip_id,
channel=self.channel_name)
await self.send_json({'type': 'MESSAGE', 'data': trip_data})