core/homeassistant/components/eafm/config_flow.py

58 lines
1.8 KiB
Python

"""Config flow to configure flood monitoring gauges."""
from aioeafm import get_stations
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from .const import DOMAIN
class UKFloodsFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a UK Environment Agency flood monitoring config flow."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
def __init__(self):
"""Handle a UK Floods config flow."""
self.stations = {}
async def async_step_user(self, user_input=None):
"""Handle a flow start."""
errors = {}
if user_input is not None:
station = self.stations[user_input["station"]]
await self.async_set_unique_id(station, raise_on_progress=False)
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=user_input["station"],
data={"station": station},
)
session = async_get_clientsession(hass=self.hass)
stations = await get_stations(session)
self.stations = {}
for station in stations:
label = station["label"]
# API annoyingly sometimes returns a list and some times returns a string
# E.g. L3121 has a label of ['Scurf Dyke', 'Scurf Dyke Dyke Level']
if isinstance(label, list):
label = label[-1]
self.stations[label] = station["stationReference"]
if not self.stations:
return self.async_abort(reason="no_stations")
return self.async_show_form(
step_id="user",
errors=errors,
data_schema=vol.Schema(
{vol.Required("station"): vol.In(sorted(self.stations))}
),
)