core/homeassistant/components/radiotherm/config_flow.py

118 lines
4.0 KiB
Python

"""Config flow for Radio Thermostat integration."""
from __future__ import annotations
import logging
from typing import Any
from urllib.error import URLError
from radiotherm.validate import RadiothermTstatError
import voluptuous as vol
from homeassistant.components import dhcp
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from .const import DOMAIN
from .data import RadioThermInitData, async_get_init_data
_LOGGER = logging.getLogger(__name__)
class CannotConnect(HomeAssistantError):
"""Error to indicate we cannot connect."""
async def validate_connection(hass: HomeAssistant, host: str) -> RadioThermInitData:
"""Validate the connection."""
try:
return await async_get_init_data(hass, host)
except (TimeoutError, RadiothermTstatError, URLError, OSError) as ex:
raise CannotConnect(f"Failed to connect to {host}: {ex}") from ex
class RadioThermConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Radio Thermostat."""
VERSION = 1
def __init__(self) -> None:
"""Initialize ConfigFlow."""
self.discovered_ip: str | None = None
self.discovered_init_data: RadioThermInitData | None = None
async def async_step_dhcp(
self, discovery_info: dhcp.DhcpServiceInfo
) -> ConfigFlowResult:
"""Discover via DHCP."""
self._async_abort_entries_match({CONF_HOST: discovery_info.ip})
try:
init_data = await validate_connection(self.hass, discovery_info.ip)
except CannotConnect:
return self.async_abort(reason="cannot_connect")
await self.async_set_unique_id(init_data.mac)
self._abort_if_unique_id_configured(
updates={CONF_HOST: discovery_info.ip}, reload_on_update=False
)
self.discovered_init_data = init_data
self.discovered_ip = discovery_info.ip
return await self.async_step_confirm()
async def async_step_confirm(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Attempt to confirm."""
ip_address = self.discovered_ip
init_data = self.discovered_init_data
assert ip_address is not None
assert init_data is not None
if user_input is not None:
return self.async_create_entry(
title=init_data.name,
data={CONF_HOST: ip_address},
)
self._set_confirm_only()
placeholders = {
"name": init_data.name,
"host": ip_address,
"model": init_data.model or "Unknown",
}
self.context["title_placeholders"] = placeholders
return self.async_show_form(
step_id="confirm",
description_placeholders=placeholders,
)
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
errors = {}
if user_input is not None:
try:
init_data = await validate_connection(self.hass, user_input[CONF_HOST])
except CannotConnect:
errors[CONF_HOST] = "cannot_connect"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
await self.async_set_unique_id(init_data.mac, raise_on_progress=False)
self._abort_if_unique_id_configured(
updates={CONF_HOST: user_input[CONF_HOST]},
reload_on_update=False,
)
return self.async_create_entry(
title=init_data.name,
data=user_input,
)
return self.async_show_form(
step_id="user",
data_schema=vol.Schema({vol.Required(CONF_HOST): str}),
errors=errors,
)