core/homeassistant/components/notify/__init__.py

88 lines
2.7 KiB
Python

"""Provides functionality to notify people."""
from __future__ import annotations
import asyncio
import voluptuous as vol
import homeassistant.components.persistent_notification as pn
from homeassistant.const import CONF_NAME, CONF_PLATFORM
from homeassistant.core import HomeAssistant, ServiceCall
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.template import Template
from homeassistant.helpers.typing import ConfigType
from .const import ( # noqa: F401
ATTR_DATA,
ATTR_MESSAGE,
ATTR_TARGET,
ATTR_TITLE,
DOMAIN,
NOTIFY_SERVICE_SCHEMA,
SERVICE_NOTIFY,
SERVICE_PERSISTENT_NOTIFICATION,
)
from .legacy import ( # noqa: F401
BaseNotificationService,
async_reload,
async_reset_platform,
async_setup_legacy,
check_templates_warn,
)
# Platform specific data
ATTR_TITLE_DEFAULT = "Home Assistant"
PLATFORM_SCHEMA = vol.Schema(
{vol.Required(CONF_PLATFORM): cv.string, vol.Optional(CONF_NAME): cv.string},
extra=vol.ALLOW_EXTRA,
)
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up the notify services."""
platform_setups = async_setup_legacy(hass, config)
# We need to add the component here break the deadlock
# when setting up integrations from config entries as
# they would otherwise wait for notify to be
# setup and thus the config entries would not be able to
# setup their platforms, but we need to do it after
# the dispatcher is connected so we don't miss integrations
# that are registered before the dispatcher is connected
hass.config.components.add(DOMAIN)
if platform_setups:
await asyncio.wait([asyncio.create_task(setup) for setup in platform_setups])
async def persistent_notification(service: ServiceCall) -> None:
"""Send notification via the built-in persistent_notify integration."""
message: Template = service.data[ATTR_MESSAGE]
message.hass = hass
check_templates_warn(hass, message)
title = None
title_tpl: Template | None
if title_tpl := service.data.get(ATTR_TITLE):
check_templates_warn(hass, title_tpl)
title_tpl.hass = hass
title = title_tpl.async_render(parse_result=False)
notification_id = None
if data := service.data.get(ATTR_DATA):
notification_id = data.get(pn.ATTR_NOTIFICATION_ID)
pn.async_create(
hass, message.async_render(parse_result=False), title, notification_id
)
hass.services.async_register(
DOMAIN,
SERVICE_PERSISTENT_NOTIFICATION,
persistent_notification,
schema=NOTIFY_SERVICE_SCHEMA,
)
return True