core/homeassistant/components/vallox/config_flow.py

130 lines
3.9 KiB
Python

"""Config flow for the Vallox integration."""
from __future__ import annotations
import logging
from typing import Any
from vallox_websocket_api import Vallox, ValloxApiException
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.util.network import is_ip_address
from .const import DEFAULT_NAME, DOMAIN
_LOGGER = logging.getLogger(__name__)
CONFIG_SCHEMA = vol.Schema(
{
vol.Required(CONF_HOST): str,
}
)
async def validate_host(hass: HomeAssistant, host: str) -> None:
"""Validate that the user input allows us to connect."""
if not is_ip_address(host):
raise InvalidHost(f"Invalid IP address: {host}")
client = Vallox(host)
await client.fetch_metric_data()
class ValloxConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for the Vallox integration."""
VERSION = 1
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
if user_input is None:
return self.async_show_form(
step_id="user",
data_schema=CONFIG_SCHEMA,
)
errors: dict[str, str] = {}
host = user_input[CONF_HOST]
self._async_abort_entries_match({CONF_HOST: host})
try:
await validate_host(self.hass, host)
except InvalidHost:
errors[CONF_HOST] = "invalid_host"
except ValloxApiException:
errors[CONF_HOST] = "cannot_connect"
except Exception:
_LOGGER.exception("Unexpected exception")
errors[CONF_HOST] = "unknown"
else:
return self.async_create_entry(
title=DEFAULT_NAME,
data={
**user_input,
CONF_NAME: DEFAULT_NAME,
},
)
return self.async_show_form(
step_id="user",
data_schema=self.add_suggested_values_to_schema(
CONFIG_SCHEMA, {CONF_HOST: host}
),
errors=errors,
)
async def async_step_reconfigure(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle reconfiguration of the Vallox device host address."""
reconfigure_entry = self._get_reconfigure_entry()
if not user_input:
return self.async_show_form(
step_id="reconfigure",
data_schema=self.add_suggested_values_to_schema(
CONFIG_SCHEMA, {CONF_HOST: reconfigure_entry.data.get(CONF_HOST)}
),
)
updated_host = user_input[CONF_HOST]
if reconfigure_entry.data.get(CONF_HOST) != updated_host:
self._async_abort_entries_match({CONF_HOST: updated_host})
errors: dict[str, str] = {}
try:
await validate_host(self.hass, updated_host)
except InvalidHost:
errors[CONF_HOST] = "invalid_host"
except ValloxApiException:
errors[CONF_HOST] = "cannot_connect"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors[CONF_HOST] = "unknown"
else:
return self.async_update_reload_and_abort(
reconfigure_entry, data_updates={CONF_HOST: updated_host}
)
return self.async_show_form(
step_id="reconfigure",
data_schema=self.add_suggested_values_to_schema(
CONFIG_SCHEMA, {CONF_HOST: updated_host}
),
errors=errors,
)
class InvalidHost(HomeAssistantError):
"""Error to indicate an invalid host was input."""