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mirror of https://github.com/home-assistant/core synced 2024-09-03 08:14:07 +02:00
ha-core/homeassistant/components/smhi/config_flow.py
2022-01-16 15:32:16 -10:00

87 lines
2.9 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 import config_entries
from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.data_entry_flow import FlowResult
from homeassistant.helpers import aiohttp_client
import homeassistant.helpers.config_validation as cv
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(config_entries.ConfigFlow, domain=DOMAIN):
"""Config flow for SMHI component."""
VERSION = 1
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Handle a flow initialized by the user."""
errors: dict[str, str] = {}
if user_input is not None:
lat: float = user_input[CONF_LATITUDE]
lon: float = user_input[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"
default_lat: float = self.hass.config.latitude
default_lon: float = self.hass.config.longitude
for entry in self.hass.config_entries.async_entries(DOMAIN):
if (
entry.data[CONF_LATITUDE] == self.hass.config.latitude
and entry.data[CONF_LONGITUDE] == self.hass.config.longitude
):
default_lat = 0
default_lon = 0
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(CONF_LATITUDE, default=default_lat): cv.latitude,
vol.Required(CONF_LONGITUDE, default=default_lon): cv.longitude,
}
),
errors=errors,
)