from ..data import UserDataEvent from ..enums import ChannelType from ..enums import EventType from .handler import Handler class OrderHandler(Handler): def __call__(self, event: UserDataEvent) -> None: if event.channel_type != ChannelType.ORDER: return super(OrderHandler, self).__call__(event) class OrderSnapshotHandler(OrderHandler): def __call__(self, event: UserDataEvent) -> None: if event.event_type != EventType.SNAPSHOT: return super(OrderSnapshotHandler, self).__call__(event) class OrderUpdateHandler(OrderHandler): def __call__(self, event: UserDataEvent) -> None: if event.event_type != EventType.UPDATE: return super(OrderUpdateHandler, self).__call__(event)