53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
"""Base entity for the Minecraft Server integration."""
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from homeassistant.core import CALLBACK_TYPE, callback
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity import Entity
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from . import MinecraftServer
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from .const import DOMAIN, MANUFACTURER
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class MinecraftServerEntity(Entity):
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"""Representation of a Minecraft Server base entity."""
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_attr_has_entity_name = True
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_attr_should_poll = False
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def __init__(
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self,
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server: MinecraftServer,
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) -> None:
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"""Initialize base entity."""
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self._server = server
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, server.unique_id)},
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manufacturer=MANUFACTURER,
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model=f"Minecraft Server ({server.data.version})",
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name=server.name,
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sw_version=str(server.data.protocol_version),
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)
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self._disconnect_dispatcher: CALLBACK_TYPE | None = None
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async def async_update(self) -> None:
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"""Fetch data from the server."""
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raise NotImplementedError()
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async def async_added_to_hass(self) -> None:
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"""Connect dispatcher to signal from server."""
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self._disconnect_dispatcher = async_dispatcher_connect(
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self.hass, self._server.signal_name, self._update_callback
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)
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async def async_will_remove_from_hass(self) -> None:
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"""Disconnect dispatcher before removal."""
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if self._disconnect_dispatcher:
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self._disconnect_dispatcher()
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@callback
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def _update_callback(self) -> None:
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"""Triggers update of properties after receiving signal from server."""
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self.async_schedule_update_ha_state(force_refresh=True)
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