Socket IO integration and Websocket documentation - #82

class MessageData(Serializer):
    data: t.Any


class MessageRoom(Serializer):
    room: str


class MessageChatRoom(Serializer):
    room: str
    data: t.Any


@WebSocketGateway(name='gatewaytest', async_mode='asgi', cors_allowed_origins='*')
class EventGateway:
    @subscribe_message('my_event')
    async def my_event(self, message: MessageData = WsBody()):
        return WsResponse('my_response', {'data': message.data}, room=self.context.sid)

    @subscribe_message('my_broadcast_event')
    async def my_broadcast_event(self, message: MessageData = WsBody()):
        await self.context.server.emit('my_response', {'data': message.data})

    @subscribe_message('join')
    async def join(self, message: MessageRoom = WsBody()):
        self.context.server.enter_room(self.context.sid, message.room)
        await self.context.server.emit('my_response', {'data': 'Entered room: ' + message.room}, room=self.context.sid)

    @on_connected()
    async def connect(self):
        await self.context.server.emit('my_response', {'data': 'Connected', 'count': 0}, room=self.context.sid)

    @on_disconnected()
    async def disconnect(self):
        print('Client disconnected')