core/homeassistant/components/zwave_js/triggers/event.py

226 lines
7.4 KiB
Python

"""Offer Z-Wave JS event listening automation trigger."""
from __future__ import annotations
import functools
from pydantic import ValidationError
import voluptuous as vol
from zwave_js_server.client import Client
from zwave_js_server.model.controller import CONTROLLER_EVENT_MODEL_MAP
from zwave_js_server.model.driver import DRIVER_EVENT_MODEL_MAP
from zwave_js_server.model.node import NODE_EVENT_MODEL_MAP, Node
from homeassistant.components.automation import (
AutomationActionType,
AutomationTriggerInfo,
)
from homeassistant.components.zwave_js.const import (
ATTR_CONFIG_ENTRY_ID,
ATTR_EVENT,
ATTR_EVENT_DATA,
ATTR_EVENT_SOURCE,
ATTR_NODE_ID,
ATTR_NODES,
ATTR_PARTIAL_DICT_MATCH,
DATA_CLIENT,
DOMAIN,
)
from homeassistant.components.zwave_js.helpers import (
async_get_nodes_from_targets,
get_device_id,
get_home_and_node_id_from_device_entry,
)
from homeassistant.config_entries import ConfigEntryState
from homeassistant.const import ATTR_DEVICE_ID, ATTR_ENTITY_ID, CONF_PLATFORM
from homeassistant.core import CALLBACK_TYPE, HassJob, HomeAssistant, callback
from homeassistant.helpers import config_validation as cv, device_registry as dr
from homeassistant.helpers.typing import ConfigType
# Platform type should be <DOMAIN>.<SUBMODULE_NAME>
PLATFORM_TYPE = f"{DOMAIN}.{__name__.rsplit('.', maxsplit=1)[-1]}"
EVENT_MODEL_MAP = {
"controller": CONTROLLER_EVENT_MODEL_MAP,
"driver": DRIVER_EVENT_MODEL_MAP,
"node": NODE_EVENT_MODEL_MAP,
}
def validate_non_node_event_source(obj: dict) -> dict:
"""Validate that a trigger for a non node event source has a config entry."""
if obj[ATTR_EVENT_SOURCE] != "node" and ATTR_CONFIG_ENTRY_ID in obj:
return obj
raise vol.Invalid(f"Non node event triggers must contain {ATTR_CONFIG_ENTRY_ID}.")
def validate_event_name(obj: dict) -> dict:
"""Validate that a trigger has a valid event name."""
event_source = obj[ATTR_EVENT_SOURCE]
event_name = obj[ATTR_EVENT]
# the keys to the event source's model map are the event names
vol.In(EVENT_MODEL_MAP[event_source])(event_name)
return obj
def validate_event_data(obj: dict) -> dict:
"""Validate that a trigger has a valid event data."""
# Return if there's no event data to validate
if ATTR_EVENT_DATA not in obj:
return obj
event_source = obj[ATTR_EVENT_SOURCE]
event_name = obj[ATTR_EVENT]
event_data = obj[ATTR_EVENT_DATA]
try:
EVENT_MODEL_MAP[event_source][event_name](**event_data)
except ValidationError as exc:
# Filter out required field errors if keys can be missing, and if there are
# still errors, raise an exception
if errors := [
error for error in exc.errors() if error["type"] != "value_error.missing"
]:
raise vol.MultipleInvalid(errors) from exc
return obj
TRIGGER_SCHEMA = vol.All(
cv.TRIGGER_BASE_SCHEMA.extend(
{
vol.Required(CONF_PLATFORM): PLATFORM_TYPE,
vol.Optional(ATTR_CONFIG_ENTRY_ID): str,
vol.Optional(ATTR_DEVICE_ID): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Required(ATTR_EVENT_SOURCE): vol.In(EVENT_MODEL_MAP),
vol.Required(ATTR_EVENT): cv.string,
vol.Optional(ATTR_EVENT_DATA): dict,
vol.Optional(ATTR_PARTIAL_DICT_MATCH, default=False): bool,
},
),
validate_event_name,
validate_event_data,
vol.Any(
validate_non_node_event_source,
cv.has_at_least_one_key(ATTR_DEVICE_ID, ATTR_ENTITY_ID),
),
)
async def async_validate_trigger_config(
hass: HomeAssistant, config: ConfigType
) -> ConfigType:
"""Validate config."""
config = TRIGGER_SCHEMA(config)
if config[ATTR_EVENT_SOURCE] == "node":
config[ATTR_NODES] = async_get_nodes_from_targets(hass, config)
if not config[ATTR_NODES]:
raise vol.Invalid(
f"No nodes found for given {ATTR_DEVICE_ID}s or {ATTR_ENTITY_ID}s."
)
if ATTR_CONFIG_ENTRY_ID not in config:
return config
entry_id = config[ATTR_CONFIG_ENTRY_ID]
if (entry := hass.config_entries.async_get_entry(entry_id)) is None:
raise vol.Invalid(f"Config entry '{entry_id}' not found")
if entry.state is not ConfigEntryState.LOADED:
raise vol.Invalid(f"Config entry '{entry_id}' not loaded")
return config
async def async_attach_trigger(
hass: HomeAssistant,
config: ConfigType,
action: AutomationActionType,
automation_info: AutomationTriggerInfo,
*,
platform_type: str = PLATFORM_TYPE,
) -> CALLBACK_TYPE:
"""Listen for state changes based on configuration."""
nodes: set[Node] = config.get(ATTR_NODES, {})
event_source = config[ATTR_EVENT_SOURCE]
event_name = config[ATTR_EVENT]
event_data_filter = config.get(ATTR_EVENT_DATA, {})
unsubs = []
job = HassJob(action)
trigger_data = automation_info["trigger_data"]
@callback
def async_on_event(event_data: dict, device: dr.DeviceEntry | None = None) -> None:
"""Handle event."""
for key, val in event_data_filter.items():
if key not in event_data:
return
if (
config[ATTR_PARTIAL_DICT_MATCH]
and isinstance(event_data[key], dict)
and isinstance(event_data_filter[key], dict)
):
for key2, val2 in event_data_filter[key].items():
if key2 not in event_data[key] or event_data[key][key2] != val2:
return
continue
if event_data[key] != val:
return
payload = {
**trigger_data,
CONF_PLATFORM: platform_type,
ATTR_EVENT_SOURCE: event_source,
ATTR_EVENT: event_name,
ATTR_EVENT_DATA: event_data,
}
primary_desc = f"Z-Wave JS '{event_source}' event '{event_name}' was emitted"
if device:
device_name = device.name_by_user or device.name
payload[ATTR_DEVICE_ID] = device.id
home_and_node_id = get_home_and_node_id_from_device_entry(device)
assert home_and_node_id
payload[ATTR_NODE_ID] = home_and_node_id[1]
payload["description"] = f"{primary_desc} on {device_name}"
else:
payload["description"] = primary_desc
payload[
"description"
] = f"{payload['description']} with event data: {event_data}"
hass.async_run_hass_job(job, {"trigger": payload})
dev_reg = dr.async_get(hass)
if not nodes:
entry_id = config[ATTR_CONFIG_ENTRY_ID]
client: Client = hass.data[DOMAIN][entry_id][DATA_CLIENT]
if event_source == "controller":
source = client.driver.controller
else:
source = client.driver
unsubs.append(source.on(event_name, async_on_event))
for node in nodes:
device_identifier = get_device_id(node.client, node)
device = dev_reg.async_get_device({device_identifier})
assert device
# We need to store the device for the callback
unsubs.append(
node.on(event_name, functools.partial(async_on_event, device=device))
)
@callback
def async_remove() -> None:
"""Remove state listeners async."""
for unsub in unsubs:
unsub()
unsubs.clear()
return async_remove