core/homeassistant/components/roon/config_flow.py

109 lines
3.0 KiB
Python

"""Config flow for roon integration."""
import asyncio
import logging
from roon import RoonApi
import voluptuous as vol
from homeassistant import config_entries, core, exceptions
from homeassistant.const import CONF_API_KEY, CONF_HOST
from .const import ( # pylint: disable=unused-import
AUTHENTICATE_TIMEOUT,
DEFAULT_NAME,
DOMAIN,
ROON_APPINFO,
)
_LOGGER = logging.getLogger(__name__)
DATA_SCHEMA = vol.Schema({"host": str})
TIMEOUT = 120
class RoonHub:
"""Interact with roon during config flow."""
def __init__(self, host):
"""Initialize."""
self._host = host
async def authenticate(self, hass) -> bool:
"""Test if we can authenticate with the host."""
token = None
secs = 0
roonapi = RoonApi(ROON_APPINFO, None, self._host, blocking_init=False)
while secs < TIMEOUT:
token = roonapi.token
secs += AUTHENTICATE_TIMEOUT
if token:
break
await asyncio.sleep(AUTHENTICATE_TIMEOUT)
token = roonapi.token
roonapi.stop()
return token
async def authenticate(hass: core.HomeAssistant, host):
"""Connect and authenticate home assistant."""
hub = RoonHub(host)
token = await hub.authenticate(hass)
if token is None:
raise InvalidAuth
return {CONF_HOST: host, CONF_API_KEY: token}
class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for roon."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
def __init__(self):
"""Initialize the Roon flow."""
self._host = None
async def async_step_user(self, user_input=None):
"""Handle getting host details from the user."""
errors = {}
if user_input is not None:
self._host = user_input["host"]
existing = {
entry.data[CONF_HOST] for entry in self._async_current_entries()
}
if self._host in existing:
errors["base"] = "duplicate_entry"
return self.async_show_form(step_id="user", errors=errors)
return await self.async_step_link()
return self.async_show_form(
step_id="user", data_schema=DATA_SCHEMA, errors=errors
)
async def async_step_link(self, user_input=None):
"""Handle linking and authenticting with the roon server."""
errors = {}
if user_input is not None:
try:
info = await authenticate(self.hass, self._host)
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
return self.async_create_entry(title=DEFAULT_NAME, data=info)
return self.async_show_form(step_id="link", errors=errors)
class InvalidAuth(exceptions.HomeAssistantError):
"""Error to indicate there is invalid auth."""