76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
"""Config flow to configure the Luftdaten component."""
|
|
from collections import OrderedDict
|
|
|
|
import voluptuous as vol
|
|
|
|
from homeassistant import config_entries
|
|
from homeassistant.const import CONF_SCAN_INTERVAL, CONF_SHOW_ON_MAP
|
|
from homeassistant.core import callback
|
|
from homeassistant.helpers import aiohttp_client
|
|
|
|
from .const import CONF_SENSOR_ID, DEFAULT_SCAN_INTERVAL, DOMAIN
|
|
|
|
|
|
@callback
|
|
def configured_sensors(hass):
|
|
"""Return a set of configured Luftdaten sensors."""
|
|
return set(
|
|
'{0}'.format(entry.data[CONF_SENSOR_ID])
|
|
for entry in hass.config_entries.async_entries(DOMAIN))
|
|
|
|
|
|
@config_entries.HANDLERS.register(DOMAIN)
|
|
class LuftDatenFlowHandler(config_entries.ConfigFlow):
|
|
"""Handle a Luftdaten config flow."""
|
|
|
|
VERSION = 1
|
|
CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
|
|
|
|
@callback
|
|
def _show_form(self, errors=None):
|
|
"""Show the form to the user."""
|
|
data_schema = OrderedDict()
|
|
data_schema[vol.Required(CONF_SENSOR_ID)] = str
|
|
data_schema[vol.Optional(CONF_SHOW_ON_MAP, default=False)] = bool
|
|
|
|
return self.async_show_form(
|
|
step_id='user',
|
|
data_schema=vol.Schema(data_schema),
|
|
errors=errors or {}
|
|
)
|
|
|
|
async def async_step_import(self, import_config):
|
|
"""Import a config entry from configuration.yaml."""
|
|
return await self.async_step_user(import_config)
|
|
|
|
async def async_step_user(self, user_input=None):
|
|
"""Handle the start of the config flow."""
|
|
from luftdaten import Luftdaten, exceptions
|
|
|
|
if not user_input:
|
|
return self._show_form()
|
|
|
|
sensor_id = user_input[CONF_SENSOR_ID]
|
|
|
|
if sensor_id in configured_sensors(self.hass):
|
|
return self._show_form({CONF_SENSOR_ID: 'sensor_exists'})
|
|
|
|
session = aiohttp_client.async_get_clientsession(self.hass)
|
|
luftdaten = Luftdaten(
|
|
user_input[CONF_SENSOR_ID], self.hass.loop, session)
|
|
try:
|
|
await luftdaten.get_data()
|
|
valid = await luftdaten.validate_sensor()
|
|
except exceptions.LuftdatenConnectionError:
|
|
return self._show_form(
|
|
{CONF_SENSOR_ID: 'communication_error'})
|
|
|
|
if not valid:
|
|
return self._show_form({CONF_SENSOR_ID: 'invalid_sensor'})
|
|
|
|
scan_interval = user_input.get(
|
|
CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)
|
|
user_input.update({CONF_SCAN_INTERVAL: scan_interval.seconds})
|
|
|
|
return self.async_create_entry(title=sensor_id, data=user_input)
|