core/homeassistant/components/pegel_online/config_flow.py

135 lines
4.3 KiB
Python

"""Config flow for PEGELONLINE."""
from __future__ import annotations
from typing import Any
from aiopegelonline import CONNECT_ERRORS, PegelOnline
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import (
CONF_LATITUDE,
CONF_LOCATION,
CONF_LONGITUDE,
CONF_RADIUS,
UnitOfLength,
)
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.selector import (
LocationSelector,
NumberSelector,
NumberSelectorConfig,
SelectOptionDict,
SelectSelector,
SelectSelectorConfig,
SelectSelectorMode,
)
from .const import CONF_STATION, DEFAULT_RADIUS, DOMAIN
class FlowHandler(ConfigFlow, domain=DOMAIN):
"""Handle a config flow."""
VERSION = 1
def __init__(self) -> None:
"""Init the FlowHandler."""
super().__init__()
self._data: dict[str, Any] = {}
self._stations: dict[str, str] = {}
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a flow initialized by the user."""
if not user_input:
return self._show_form_user()
api = PegelOnline(async_get_clientsession(self.hass))
try:
stations = await api.async_get_nearby_stations(
user_input[CONF_LOCATION][CONF_LATITUDE],
user_input[CONF_LOCATION][CONF_LONGITUDE],
user_input[CONF_RADIUS],
)
except CONNECT_ERRORS:
return self._show_form_user(user_input, errors={"base": "cannot_connect"})
if len(stations) == 0:
return self._show_form_user(user_input, errors={CONF_RADIUS: "no_stations"})
for uuid, station in stations.items():
self._stations[uuid] = f"{station.name} {station.water_name}"
self._data = user_input
return await self.async_step_select_station()
async def async_step_select_station(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the step select_station of a flow initialized by the user."""
if not user_input:
stations = [
SelectOptionDict(value=k, label=v) for k, v in self._stations.items()
]
return self.async_show_form(
step_id="select_station",
description_placeholders={"stations_count": str(len(self._stations))},
data_schema=vol.Schema(
{
vol.Required(CONF_STATION): SelectSelector(
SelectSelectorConfig(
options=stations, mode=SelectSelectorMode.DROPDOWN
)
)
}
),
)
await self.async_set_unique_id(user_input[CONF_STATION])
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=self._stations[user_input[CONF_STATION]],
data=user_input,
)
def _show_form_user(
self,
user_input: dict[str, Any] | None = None,
errors: dict[str, Any] | None = None,
) -> ConfigFlowResult:
if user_input is None:
user_input = {}
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(
CONF_LOCATION,
default=user_input.get(
CONF_LOCATION,
{
"latitude": self.hass.config.latitude,
"longitude": self.hass.config.longitude,
},
),
): LocationSelector(),
vol.Required(
CONF_RADIUS, default=user_input.get(CONF_RADIUS, DEFAULT_RADIUS)
): NumberSelector(
NumberSelectorConfig(
min=1,
max=100,
step=1,
unit_of_measurement=UnitOfLength.KILOMETERS,
),
),
}
),
errors=errors,
)