core/homeassistant/components/device_automation/entity.py

102 lines
2.9 KiB
Python

"""Device automation helpers for entity."""
from __future__ import annotations
import voluptuous as vol
from homeassistant.components.homeassistant.triggers import state as state_trigger
from homeassistant.const import CONF_ENTITY_ID, CONF_FOR, CONF_PLATFORM, CONF_TYPE
from homeassistant.core import CALLBACK_TYPE, HomeAssistant
from homeassistant.helpers import config_validation as cv, entity_registry as er
from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
from homeassistant.helpers.typing import ConfigType
from . import DEVICE_TRIGGER_BASE_SCHEMA
from .const import CONF_CHANGED_STATES
ENTITY_TRIGGERS = [
{
# Trigger when entity is turned on or off
CONF_PLATFORM: "device",
CONF_TYPE: CONF_CHANGED_STATES,
},
]
TRIGGER_SCHEMA = DEVICE_TRIGGER_BASE_SCHEMA.extend(
{
vol.Required(CONF_ENTITY_ID): cv.entity_id_or_uuid,
vol.Required(CONF_TYPE): vol.In([CONF_CHANGED_STATES]),
vol.Optional(CONF_FOR): cv.positive_time_period_dict,
}
)
async def async_attach_trigger(
hass: HomeAssistant,
config: ConfigType,
action: TriggerActionType,
trigger_info: TriggerInfo,
) -> CALLBACK_TYPE:
"""Listen for state changes based on configuration."""
to_state = None
state_config = {
CONF_PLATFORM: "state",
state_trigger.CONF_ENTITY_ID: config[CONF_ENTITY_ID],
state_trigger.CONF_TO: to_state,
}
if CONF_FOR in config:
state_config[CONF_FOR] = config[CONF_FOR]
state_config = await state_trigger.async_validate_trigger_config(hass, state_config)
return await state_trigger.async_attach_trigger(
hass, state_config, action, trigger_info, platform_type="device"
)
async def _async_get_automations(
hass: HomeAssistant,
device_id: str,
automation_templates: list[dict[str, str]],
domain: str,
) -> list[dict[str, str]]:
"""List device automations."""
automations: list[dict[str, str]] = []
entity_registry = er.async_get(hass)
entries = [
entry
for entry in er.async_entries_for_device(entity_registry, device_id)
if entry.domain == domain
]
for entry in entries:
automations.extend(
{
**template,
"device_id": device_id,
"entity_id": entry.id,
"domain": domain,
}
for template in automation_templates
)
return automations
async def async_get_triggers(
hass: HomeAssistant, device_id: str, domain: str
) -> list[dict[str, str]]:
"""List device triggers."""
return await _async_get_automations(hass, device_id, ENTITY_TRIGGERS, domain)
async def async_get_trigger_capabilities(
hass: HomeAssistant, config: ConfigType
) -> dict[str, vol.Schema]:
"""List trigger capabilities."""
return {
"extra_fields": vol.Schema(
{vol.Optional(CONF_FOR): cv.positive_time_period_dict}
)
}