mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
109 lines
3.9 KiB
Python
109 lines
3.9 KiB
Python
"""The lookin integration config_flow."""
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from __future__ import annotations
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import logging
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from typing import Any
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import aiohttp
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from aiolookin import Device, LookInHttpProtocol, NoUsableService
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.components import zeroconf
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from homeassistant.const import CONF_HOST
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from .const import DOMAIN
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LOGGER = logging.getLogger(__name__)
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class LookinFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for lookin."""
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def __init__(self) -> None:
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"""Init the lookin flow."""
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self._host: str | None = None
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self._name: str | None = None
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async def async_step_zeroconf(
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self, discovery_info: zeroconf.ZeroconfServiceInfo
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) -> FlowResult:
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"""Start a discovery flow from zeroconf."""
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uid: str = discovery_info.hostname[: -len(".local.")]
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host: str = discovery_info.host
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await self.async_set_unique_id(uid.upper())
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self._abort_if_unique_id_configured(updates={CONF_HOST: host})
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try:
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device: Device = await self._validate_device(host=host)
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except (aiohttp.ClientError, NoUsableService):
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return self.async_abort(reason="cannot_connect")
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except Exception: # pylint: disable=broad-except
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LOGGER.exception("Unexpected exception")
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return self.async_abort(reason="unknown")
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else:
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self._name = device.name
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self._host = host
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self._set_confirm_only()
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self.context["title_placeholders"] = {"name": self._name, "host": host}
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return await self.async_step_discovery_confirm()
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""User initiated discover flow."""
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errors: dict[str, str] = {}
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if user_input is not None:
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host = user_input[CONF_HOST]
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try:
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device = await self._validate_device(host=host)
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except (aiohttp.ClientError, NoUsableService):
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errors[CONF_HOST] = "cannot_connect"
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except Exception: # pylint: disable=broad-except
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LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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else:
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device_id = device.id.upper()
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await self.async_set_unique_id(device_id, raise_on_progress=False)
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self._abort_if_unique_id_configured(updates={CONF_HOST: host})
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return self.async_create_entry(
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title=device.name or host,
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data={CONF_HOST: host},
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)
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema({vol.Required(CONF_HOST): str}),
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errors=errors,
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)
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async def _validate_device(self, host: str) -> Device:
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"""Validate we can connect to the device."""
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session = async_get_clientsession(self.hass)
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lookin_protocol = LookInHttpProtocol(f"http://{host}", session)
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return await lookin_protocol.get_info()
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async def async_step_discovery_confirm(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Confirm the discover flow."""
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assert self._host is not None
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if user_input is None:
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self.context["title_placeholders"] = {
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"name": self._name,
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"host": self._host,
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}
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return self.async_show_form(
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step_id="discovery_confirm",
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description_placeholders={"name": self._name, "host": self._host},
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)
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return self.async_create_entry(
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title=self._name or self._host,
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data={CONF_HOST: self._host},
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)
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