Files
core/homeassistant/components/alarm_control_panel/trigger.py
2025-11-19 08:16:30 +01:00

82 lines
2.6 KiB
Python

"""Provides triggers for alarm control panels."""
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.entity import get_supported_features
from homeassistant.helpers.trigger import (
EntityStateTriggerBase,
Trigger,
make_entity_state_trigger,
)
from .const import DOMAIN, AlarmControlPanelEntityFeature, AlarmControlPanelState
def supports_feature(hass: HomeAssistant, entity_id: str, features: int) -> bool:
"""Get the device class of an entity or UNDEFINED if not found."""
try:
return bool(get_supported_features(hass, entity_id) & features)
except HomeAssistantError:
return False
class EntityStateTriggerRequiredFeatures(EntityStateTriggerBase):
"""Trigger for entity state changes."""
_required_features: int
def entity_filter(self, entities: set[str]) -> set[str]:
"""Filter entities of this domain."""
entities = super().entity_filter(entities)
return {
entity_id
for entity_id in entities
if supports_feature(self._hass, entity_id, self._required_features)
}
def make_entity_state_trigger_required_features(
domain: str, to_state: str, required_features: int
) -> type[EntityStateTriggerBase]:
"""Create an entity state trigger class."""
class CustomTrigger(EntityStateTriggerRequiredFeatures):
"""Trigger for entity state changes."""
_domain = domain
_to_state = to_state
_required_features = required_features
return CustomTrigger
TRIGGERS: dict[str, type[Trigger]] = {
"armed_away": make_entity_state_trigger_required_features(
DOMAIN,
AlarmControlPanelState.ARMED_AWAY,
AlarmControlPanelEntityFeature.ARM_AWAY,
),
"armed_home": make_entity_state_trigger_required_features(
DOMAIN,
AlarmControlPanelState.ARMED_HOME,
AlarmControlPanelEntityFeature.ARM_HOME,
),
"armed_night": make_entity_state_trigger_required_features(
DOMAIN,
AlarmControlPanelState.ARMED_NIGHT,
AlarmControlPanelEntityFeature.ARM_NIGHT,
),
"armed_vacation": make_entity_state_trigger_required_features(
DOMAIN,
AlarmControlPanelState.ARMED_VACATION,
AlarmControlPanelEntityFeature.ARM_VACATION,
),
"disarmed": make_entity_state_trigger(DOMAIN, AlarmControlPanelState.DISARMED),
"triggered": make_entity_state_trigger(DOMAIN, AlarmControlPanelState.TRIGGERED),
}
async def async_get_triggers(hass: HomeAssistant) -> dict[str, type[Trigger]]:
"""Return the triggers for alarm control panels."""
return TRIGGERS