mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
134 lines
4.8 KiB
Python
134 lines
4.8 KiB
Python
"""Config flow for Radio Thermostat integration."""
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from __future__ import annotations
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import logging
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from socket import timeout
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from typing import Any
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from urllib.error import URLError
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from radiotherm.validate import RadiothermTstatError
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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 dhcp
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from homeassistant.const import CONF_HOST
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from homeassistant.core import HomeAssistant
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.exceptions import HomeAssistantError
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from .const import DOMAIN
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from .data import RadioThermInitData, async_get_init_data
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_LOGGER = logging.getLogger(__name__)
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class CannotConnect(HomeAssistantError):
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"""Error to indicate we cannot connect."""
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async def validate_connection(hass: HomeAssistant, host: str) -> RadioThermInitData:
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"""Validate the connection."""
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try:
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return await async_get_init_data(hass, host)
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except (timeout, RadiothermTstatError, URLError, OSError) as ex:
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raise CannotConnect(f"Failed to connect to {host}: {ex}") from ex
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Radio Thermostat."""
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VERSION = 1
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def __init__(self):
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"""Initialize ConfigFlow."""
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self.discovered_ip: str | None = None
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self.discovered_init_data: RadioThermInitData | None = None
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async def async_step_dhcp(self, discovery_info: dhcp.DhcpServiceInfo) -> FlowResult:
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"""Discover via DHCP."""
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self._async_abort_entries_match({CONF_HOST: discovery_info.ip})
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try:
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init_data = await validate_connection(self.hass, discovery_info.ip)
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except CannotConnect:
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return self.async_abort(reason="cannot_connect")
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await self.async_set_unique_id(init_data.mac)
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self._abort_if_unique_id_configured(
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updates={CONF_HOST: discovery_info.ip}, reload_on_update=False
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)
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self.discovered_init_data = init_data
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self.discovered_ip = discovery_info.ip
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return await self.async_step_confirm()
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async def async_step_confirm(self, user_input=None):
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"""Attempt to confirm."""
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ip_address = self.discovered_ip
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init_data = self.discovered_init_data
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assert ip_address is not None
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assert init_data is not None
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if user_input is not None:
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return self.async_create_entry(
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title=init_data.name,
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data={CONF_HOST: ip_address},
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)
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self._set_confirm_only()
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placeholders = {
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"name": init_data.name,
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"host": self.discovered_ip,
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"model": init_data.model or "Unknown",
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}
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self.context["title_placeholders"] = placeholders
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return self.async_show_form(
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step_id="confirm",
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description_placeholders=placeholders,
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)
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async def async_step_import(self, import_info: dict[str, Any]) -> FlowResult:
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"""Import from yaml."""
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host = import_info[CONF_HOST]
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self._async_abort_entries_match({CONF_HOST: host})
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_LOGGER.debug("Importing entry for host: %s", host)
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try:
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init_data = await validate_connection(self.hass, host)
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except CannotConnect as ex:
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_LOGGER.debug("Importing failed for %s", host, exc_info=ex)
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return self.async_abort(reason="cannot_connect")
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await self.async_set_unique_id(init_data.mac, raise_on_progress=False)
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self._abort_if_unique_id_configured(
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updates={CONF_HOST: host}, reload_on_update=False
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)
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return self.async_create_entry(
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title=init_data.name,
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data={CONF_HOST: import_info[CONF_HOST]},
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)
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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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"""Handle the initial step."""
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errors = {}
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if user_input is not None:
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try:
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init_data = await validate_connection(self.hass, user_input[CONF_HOST])
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except CannotConnect:
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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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await self.async_set_unique_id(init_data.mac, raise_on_progress=False)
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self._abort_if_unique_id_configured(
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updates={CONF_HOST: user_input[CONF_HOST]},
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reload_on_update=False,
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)
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return self.async_create_entry(
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title=init_data.name,
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data=user_input,
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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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