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