core/homeassistant/components/rainmachine/util.py

168 lines
5.2 KiB
Python

"""Define RainMachine utilities."""
from __future__ import annotations
from collections.abc import Awaitable, Callable, Iterable
from dataclasses import dataclass
from datetime import timedelta
from enum import StrEnum
from typing import Any
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import entity_registry as er
from homeassistant.helpers.dispatcher import (
async_dispatcher_connect,
async_dispatcher_send,
)
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
from .const import LOGGER
SIGNAL_REBOOT_COMPLETED = "rainmachine_reboot_completed_{0}"
SIGNAL_REBOOT_REQUESTED = "rainmachine_reboot_requested_{0}"
class RunStates(StrEnum):
"""Define an enum for program/zone run states."""
NOT_RUNNING = "Not Running"
QUEUED = "Queued"
RUNNING = "Running"
RUN_STATE_MAP = {
0: RunStates.NOT_RUNNING,
1: RunStates.RUNNING,
2: RunStates.QUEUED,
}
@dataclass
class EntityDomainReplacementStrategy:
"""Define an entity replacement."""
old_domain: str
old_unique_id: str
replacement_entity_id: str
breaks_in_ha_version: str
remove_old_entity: bool = True
@callback
def async_finish_entity_domain_replacements(
hass: HomeAssistant,
entry: ConfigEntry,
entity_replacement_strategies: Iterable[EntityDomainReplacementStrategy],
) -> None:
"""Remove old entities and create a repairs issue with info on their replacement."""
ent_reg = er.async_get(hass)
for strategy in entity_replacement_strategies:
try:
[registry_entry] = [
registry_entry
for registry_entry in ent_reg.entities.get_entries_for_config_entry_id(
entry.entry_id
)
if registry_entry.domain == strategy.old_domain
and registry_entry.unique_id == strategy.old_unique_id
]
except ValueError:
continue
old_entity_id = registry_entry.entity_id
if strategy.remove_old_entity:
LOGGER.info('Removing old entity: "%s"', old_entity_id)
ent_reg.async_remove(old_entity_id)
def key_exists(data: dict[str, Any], search_key: str) -> bool:
"""Return whether a key exists in a nested dict."""
for key, value in data.items():
if key == search_key:
return True
if isinstance(value, dict):
return key_exists(value, search_key)
return False
class RainMachineDataUpdateCoordinator(DataUpdateCoordinator[dict]): # pylint: disable=hass-enforce-coordinator-module
"""Define an extended DataUpdateCoordinator."""
config_entry: ConfigEntry
def __init__(
self,
hass: HomeAssistant,
*,
entry: ConfigEntry,
name: str,
api_category: str,
update_interval: timedelta,
update_method: Callable[..., Awaitable],
) -> None:
"""Initialize."""
super().__init__(
hass,
LOGGER,
name=name,
update_interval=update_interval,
update_method=update_method,
always_update=False,
)
self._rebooting = False
self._signal_handler_unsubs: list[Callable[..., None]] = []
self.config_entry = entry
self.signal_reboot_completed = SIGNAL_REBOOT_COMPLETED.format(
self.config_entry.entry_id
)
self.signal_reboot_requested = SIGNAL_REBOOT_REQUESTED.format(
self.config_entry.entry_id
)
@callback
def async_initialize(self) -> None:
"""Initialize the coordinator."""
@callback
def async_reboot_completed() -> None:
"""Respond to a reboot completed notification."""
LOGGER.debug("%s responding to reboot complete", self.name)
self._rebooting = False
self.last_update_success = True
self.async_update_listeners()
@callback
def async_reboot_requested() -> None:
"""Respond to a reboot request."""
LOGGER.debug("%s responding to reboot request", self.name)
self._rebooting = True
self.last_update_success = False
self.async_update_listeners()
for signal, func in (
(self.signal_reboot_completed, async_reboot_completed),
(self.signal_reboot_requested, async_reboot_requested),
):
self._signal_handler_unsubs.append(
async_dispatcher_connect(self.hass, signal, func)
)
@callback
def async_check_reboot_complete() -> None:
"""Check whether an active reboot has been completed."""
if self._rebooting and self.last_update_success:
LOGGER.debug("%s discovered reboot complete", self.name)
async_dispatcher_send(self.hass, self.signal_reboot_completed)
self.async_add_listener(async_check_reboot_complete)
@callback
def async_teardown() -> None:
"""Tear the coordinator down appropriately."""
for unsub in self._signal_handler_unsubs:
unsub()
self.config_entry.async_on_unload(async_teardown)