core/homeassistant/components/lookin/config_flow.py

110 lines
3.7 KiB
Python

"""The lookin integration config_flow."""
from __future__ import annotations
import logging
from typing import Any
import aiohttp
from aiolookin import Device, LookInHttpProtocol, NoUsableService
import voluptuous as vol
from homeassistant.components import zeroconf
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from .const import DOMAIN
LOGGER = logging.getLogger(__name__)
class LookinFlowHandler(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for lookin."""
def __init__(self) -> None:
"""Init the lookin flow."""
self._host: str | None = None
self._name: str | None = None
async def async_step_zeroconf(
self, discovery_info: zeroconf.ZeroconfServiceInfo
) -> ConfigFlowResult:
"""Start a discovery flow from zeroconf."""
uid: str = discovery_info.hostname.removesuffix(".local.")
host: str = discovery_info.host
await self.async_set_unique_id(uid.upper())
self._abort_if_unique_id_configured(updates={CONF_HOST: host})
try:
device: Device = await self._validate_device(host=host)
except (aiohttp.ClientError, NoUsableService):
return self.async_abort(reason="cannot_connect")
except Exception:
LOGGER.exception("Unexpected exception")
return self.async_abort(reason="unknown")
self._name = device.name
self._host = host
self._set_confirm_only()
self.context["title_placeholders"] = {
"name": self._name or "LOOKin",
"host": host,
}
return await self.async_step_discovery_confirm()
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""User initiated discover flow."""
errors: dict[str, str] = {}
if user_input is not None:
host = user_input[CONF_HOST]
try:
device = await self._validate_device(host=host)
except (aiohttp.ClientError, NoUsableService):
errors[CONF_HOST] = "cannot_connect"
except Exception:
LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
device_id = device.id.upper()
await self.async_set_unique_id(device_id, raise_on_progress=False)
self._abort_if_unique_id_configured(updates={CONF_HOST: host})
return self.async_create_entry(
title=device.name or host,
data={CONF_HOST: host},
)
return self.async_show_form(
step_id="user",
data_schema=vol.Schema({vol.Required(CONF_HOST): str}),
errors=errors,
)
async def _validate_device(self, host: str) -> Device:
"""Validate we can connect to the device."""
session = async_get_clientsession(self.hass)
lookin_protocol = LookInHttpProtocol(f"http://{host}", session)
return await lookin_protocol.get_info()
async def async_step_discovery_confirm(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Confirm the discover flow."""
assert self._host is not None
if user_input is None:
return self.async_show_form(
step_id="discovery_confirm",
description_placeholders={
"name": self._name or "LOOKin",
"host": self._host,
},
)
return self.async_create_entry(
title=self._name or self._host,
data={CONF_HOST: self._host},
)