core/homeassistant/components/smhi/config_flow.py

131 lines
4.6 KiB
Python

"""Config flow to configure SMHI component."""
from __future__ import annotations
from typing import Any
from smhi.smhi_lib import Smhi, SmhiForecastException
import voluptuous as vol
from homeassistant.components.weather import DOMAIN as WEATHER_DOMAIN
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_LATITUDE, CONF_LOCATION, CONF_LONGITUDE, CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.helpers import (
aiohttp_client,
device_registry as dr,
entity_registry as er,
)
from homeassistant.helpers.selector import LocationSelector
from .const import DEFAULT_NAME, DOMAIN, HOME_LOCATION_NAME
async def async_check_location(
hass: HomeAssistant, longitude: float, latitude: float
) -> bool:
"""Return true if location is ok."""
session = aiohttp_client.async_get_clientsession(hass)
smhi_api = Smhi(longitude, latitude, session=session)
try:
await smhi_api.async_get_forecast()
except SmhiForecastException:
return False
return True
class SmhiFlowHandler(ConfigFlow, domain=DOMAIN):
"""Config flow for SMHI component."""
VERSION = 2
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a flow initialized by the user."""
errors: dict[str, str] = {}
if user_input is not None:
lat: float = user_input[CONF_LOCATION][CONF_LATITUDE]
lon: float = user_input[CONF_LOCATION][CONF_LONGITUDE]
if await async_check_location(self.hass, lon, lat):
name = f"{DEFAULT_NAME} {round(lat, 6)} {round(lon, 6)}"
if (
lat == self.hass.config.latitude
and lon == self.hass.config.longitude
):
name = HOME_LOCATION_NAME
user_input[CONF_NAME] = (
HOME_LOCATION_NAME if name == HOME_LOCATION_NAME else DEFAULT_NAME
)
await self.async_set_unique_id(f"{lat}-{lon}")
self._abort_if_unique_id_configured()
return self.async_create_entry(title=name, data=user_input)
errors["base"] = "wrong_location"
home_location = {
CONF_LATITUDE: self.hass.config.latitude,
CONF_LONGITUDE: self.hass.config.longitude,
}
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{vol.Required(CONF_LOCATION, default=home_location): LocationSelector()}
),
errors=errors,
)
async def async_step_reconfigure(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a reconfiguration flow initialized by the user."""
errors: dict[str, str] = {}
reconfigure_entry = self._get_reconfigure_entry()
if user_input is not None:
lat: float = user_input[CONF_LOCATION][CONF_LATITUDE]
lon: float = user_input[CONF_LOCATION][CONF_LONGITUDE]
if await async_check_location(self.hass, lon, lat):
unique_id = f"{lat}-{lon}"
await self.async_set_unique_id(unique_id)
self._abort_if_unique_id_configured()
old_lat = reconfigure_entry.data[CONF_LOCATION][CONF_LATITUDE]
old_lon = reconfigure_entry.data[CONF_LOCATION][CONF_LONGITUDE]
entity_reg = er.async_get(self.hass)
if entity := entity_reg.async_get_entity_id(
WEATHER_DOMAIN, DOMAIN, f"{old_lat}, {old_lon}"
):
entity_reg.async_update_entity(
entity, new_unique_id=f"{lat}, {lon}"
)
device_reg = dr.async_get(self.hass)
if device := device_reg.async_get_device(
identifiers={(DOMAIN, f"{old_lat}, {old_lon}")}
):
device_reg.async_update_device(
device.id, new_identifiers={(DOMAIN, f"{lat}, {lon}")}
)
return self.async_update_reload_and_abort(
reconfigure_entry,
unique_id=unique_id,
data_updates=user_input,
)
errors["base"] = "wrong_location"
schema = self.add_suggested_values_to_schema(
vol.Schema({vol.Required(CONF_LOCATION): LocationSelector()}),
reconfigure_entry.data,
)
return self.async_show_form(
step_id="reconfigure", data_schema=schema, errors=errors
)