Home Assistant Unofficial Reference 2024.12.1
device_action.py
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1 """Provides device automations for Water Heater."""
2 
3 from __future__ import annotations
4 
5 import voluptuous as vol
6 
7 from homeassistant.components.device_automation import async_validate_entity_schema
8 from homeassistant.const import (
9  ATTR_ENTITY_ID,
10  CONF_DEVICE_ID,
11  CONF_DOMAIN,
12  CONF_ENTITY_ID,
13  CONF_TYPE,
14  SERVICE_TURN_OFF,
15  SERVICE_TURN_ON,
16 )
17 from homeassistant.core import Context, HomeAssistant
18 from homeassistant.helpers import entity_registry as er
20 from homeassistant.helpers.typing import ConfigType, TemplateVarsType
21 
22 from . import DOMAIN
23 
24 ACTION_TYPES = {"turn_on", "turn_off"}
25 
26 _ACTION_SCHEMA = cv.DEVICE_ACTION_BASE_SCHEMA.extend(
27  {
28  vol.Required(CONF_TYPE): vol.In(ACTION_TYPES),
29  vol.Required(CONF_ENTITY_ID): cv.entity_id_or_uuid,
30  }
31 )
32 
33 
35  hass: HomeAssistant, config: ConfigType
36 ) -> ConfigType:
37  """Validate config."""
38  return async_validate_entity_schema(hass, config, _ACTION_SCHEMA)
39 
40 
42  hass: HomeAssistant, device_id: str
43 ) -> list[dict[str, str]]:
44  """List device actions for Water Heater devices."""
45  registry = er.async_get(hass)
46  actions = []
47 
48  for entry in er.async_entries_for_device(registry, device_id):
49  if entry.domain != DOMAIN:
50  continue
51 
52  base_action = {
53  CONF_DEVICE_ID: device_id,
54  CONF_DOMAIN: DOMAIN,
55  CONF_ENTITY_ID: entry.id,
56  }
57 
58  actions.append({**base_action, CONF_TYPE: "turn_on"})
59  actions.append({**base_action, CONF_TYPE: "turn_off"})
60 
61  return actions
62 
63 
65  hass: HomeAssistant,
66  config: ConfigType,
67  variables: TemplateVarsType,
68  context: Context | None,
69 ) -> None:
70  """Execute a device action."""
71  service_data = {ATTR_ENTITY_ID: config[CONF_ENTITY_ID]}
72 
73  if config[CONF_TYPE] == "turn_on":
74  service = SERVICE_TURN_ON
75  elif config[CONF_TYPE] == "turn_off":
76  service = SERVICE_TURN_OFF
77 
78  await hass.services.async_call(
79  DOMAIN, service, service_data, blocking=True, context=context
80  )
ConfigType async_validate_entity_schema(HomeAssistant hass, ConfigType config, VolSchemaType schema)
Definition: __init__.py:344
ConfigType async_validate_action_config(HomeAssistant hass, ConfigType config)
list[dict[str, str]] async_get_actions(HomeAssistant hass, str device_id)
None async_call_action_from_config(HomeAssistant hass, ConfigType config, TemplateVarsType variables, Context|None context)