core/homeassistant/components/config/scene.py

91 lines
2.6 KiB
Python

"""Provide configuration end points for Scenes."""
from __future__ import annotations
from typing import Any
import uuid
from homeassistant.components.scene import (
DOMAIN as SCENE_DOMAIN,
PLATFORM_SCHEMA as SCENE_PLATFORM_SCHEMA,
)
from homeassistant.config import SCENE_CONFIG_PATH
from homeassistant.const import CONF_ID, SERVICE_RELOAD
from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant, callback
from homeassistant.helpers import config_validation as cv, entity_registry as er
from .const import ACTION_DELETE
from .view import EditIdBasedConfigView
PLATFORM_SCHEMA = SCENE_PLATFORM_SCHEMA
@callback
def async_setup(hass: HomeAssistant) -> bool:
"""Set up the Scene config API."""
async def hook(action: str, config_key: str) -> None:
"""post_write_hook for Config View that reloads scenes."""
if action != ACTION_DELETE:
await hass.services.async_call(SCENE_DOMAIN, SERVICE_RELOAD)
return
ent_reg = er.async_get(hass)
entity_id = ent_reg.async_get_entity_id(
SCENE_DOMAIN, HOMEASSISTANT_DOMAIN, config_key
)
if entity_id is None:
return
ent_reg.async_remove(entity_id)
hass.http.register_view(
EditSceneConfigView(
SCENE_DOMAIN,
"config",
SCENE_CONFIG_PATH,
cv.string,
data_schema=PLATFORM_SCHEMA,
post_write_hook=hook,
)
)
return True
class EditSceneConfigView(EditIdBasedConfigView):
"""Edit scene config."""
def _write_value(
self,
hass: HomeAssistant,
data: list[dict[str, Any]],
config_key: str,
new_value: dict[str, Any],
) -> None:
"""Set value."""
updated_value = {CONF_ID: config_key}
# Iterate through some keys that we want to have ordered in the output
for key in ("name", "entities"):
if key in new_value:
updated_value[key] = new_value[key]
# We cover all current fields above, but just in case we start
# supporting more fields in the future.
updated_value.update(new_value)
updated = False
for index, cur_value in enumerate(data):
# When people copy paste their scenes to the config file,
# they sometimes forget to add IDs. Fix it here.
if CONF_ID not in cur_value:
cur_value[CONF_ID] = uuid.uuid4().hex
elif cur_value[CONF_ID] == config_key:
data[index] = updated_value
updated = True
if not updated:
data.append(updated_value)