core/homeassistant/components/velux/config_flow.py

132 lines
4.6 KiB
Python

"""Config flow for Velux integration."""
from typing import Any
from pyvlx import PyVLX, PyVLXException
import voluptuous as vol
from homeassistant.config_entries import ConfigEntryState, ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_MAC, CONF_NAME, CONF_PASSWORD
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.device_registry import format_mac
from homeassistant.helpers.service_info.dhcp import DhcpServiceInfo
from .const import DOMAIN, LOGGER
USER_SCHEMA = vol.Schema(
{
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_PASSWORD): cv.string,
}
)
async def _check_connection(host: str, password: str) -> dict[str, Any]:
"""Check if we can connect to the Velux bridge."""
pyvlx = PyVLX(host=host, password=password)
try:
await pyvlx.connect()
await pyvlx.disconnect()
except (PyVLXException, ConnectionError) as err:
LOGGER.debug("Cannot connect: %s", err)
return {"base": "cannot_connect"}
except Exception as err: # noqa: BLE001
LOGGER.exception("Unexpected exception: %s", err)
return {"base": "unknown"}
return {}
class VeluxConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for velux."""
VERSION = 1
def __init__(self) -> None:
"""Initialize the config flow."""
self.discovery_data: dict[str, Any] = {}
async def async_step_user(
self, user_input: dict[str, str] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
errors: dict[str, str] = {}
if user_input is not None:
self._async_abort_entries_match({CONF_HOST: user_input[CONF_HOST]})
errors = await _check_connection(
user_input[CONF_HOST], user_input[CONF_PASSWORD]
)
if not errors:
return self.async_create_entry(
title=user_input[CONF_HOST],
data=user_input,
)
return self.async_show_form(
step_id="user",
data_schema=USER_SCHEMA,
errors=errors,
)
async def async_step_dhcp(
self, discovery_info: DhcpServiceInfo
) -> ConfigFlowResult:
"""Handle discovery by DHCP."""
# The hostname ends with the last 4 digits of the device MAC address.
self.discovery_data[CONF_HOST] = discovery_info.ip
self.discovery_data[CONF_MAC] = format_mac(discovery_info.macaddress)
self.discovery_data[CONF_NAME] = discovery_info.hostname.upper().replace(
"LAN_", ""
)
await self.async_set_unique_id(self.discovery_data[CONF_NAME])
self._abort_if_unique_id_configured(
updates={CONF_HOST: self.discovery_data[CONF_HOST]}
)
# Abort if config_entry already exists without unigue_id configured.
for entry in self.hass.config_entries.async_entries(DOMAIN):
if (
entry.data[CONF_HOST] == self.discovery_data[CONF_HOST]
and entry.unique_id is None
and entry.state is ConfigEntryState.LOADED
):
self.hass.config_entries.async_update_entry(
entry=entry,
unique_id=self.discovery_data[CONF_NAME],
data={**entry.data, **self.discovery_data},
)
return self.async_abort(reason="already_configured")
self._async_abort_entries_match({CONF_HOST: self.discovery_data[CONF_HOST]})
return await self.async_step_discovery_confirm()
async def async_step_discovery_confirm(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Prepare configuration for a discovered Velux device."""
errors: dict[str, str] = {}
if user_input is not None:
errors = await _check_connection(
self.discovery_data[CONF_HOST], user_input[CONF_PASSWORD]
)
if not errors:
return self.async_create_entry(
title=self.discovery_data[CONF_NAME],
data={**self.discovery_data, **user_input},
)
return self.async_show_form(
step_id="discovery_confirm",
data_schema=vol.Schema(
{
vol.Required(CONF_PASSWORD): cv.string,
}
),
errors=errors,
description_placeholders={
"name": self.discovery_data[CONF_NAME],
"host": self.discovery_data[CONF_HOST],
},
)