mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
"""Config flow for Tesla Wall Connector integration."""
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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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from tesla_wall_connector import WallConnector
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from tesla_wall_connector.exceptions import WallConnectorError
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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.helpers.aiohttp_client import async_get_clientsession
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from .const import DOMAIN, WALLCONNECTOR_DEVICE_NAME, WALLCONNECTOR_SERIAL_NUMBER
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_LOGGER = logging.getLogger(__name__)
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async def validate_input(hass: HomeAssistant, data: dict[str, Any]) -> dict[str, Any]:
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"""Validate the user input allows us to connect.
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Data has the keys from STEP_USER_DATA_SCHEMA with values provided by the user.
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"""
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wall_connector = WallConnector(
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host=data[CONF_HOST], session=async_get_clientsession(hass)
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)
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version = await wall_connector.async_get_version()
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return {
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"title": WALLCONNECTOR_DEVICE_NAME,
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WALLCONNECTOR_SERIAL_NUMBER: version.serial_number,
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}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Tesla Wall Connector."""
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VERSION = 1
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def __init__(self) -> None:
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"""Initialize config flow."""
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super().__init__()
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self.ip_address: str | None = None
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self.serial_number = None
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async def async_step_dhcp(self, discovery_info: dhcp.DhcpServiceInfo) -> FlowResult:
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"""Handle dhcp discovery."""
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self.ip_address = discovery_info.ip
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_LOGGER.debug("Discovered Tesla Wall Connector at [%s]", self.ip_address)
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self._async_abort_entries_match({CONF_HOST: self.ip_address})
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try:
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wall_connector = WallConnector(
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host=self.ip_address, session=async_get_clientsession(self.hass)
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)
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version = await wall_connector.async_get_version()
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except WallConnectorError as ex:
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_LOGGER.debug(
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"Could not read serial number from Tesla WallConnector at [%s]: [%s]",
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self.ip_address,
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ex,
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)
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return self.async_abort(reason="cannot_connect")
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self.serial_number = version.serial_number
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await self.async_set_unique_id(self.serial_number)
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self._abort_if_unique_id_configured(updates={CONF_HOST: self.ip_address})
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_LOGGER.debug(
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"No entry found for wall connector with IP %s. Serial nr: %s",
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self.ip_address,
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self.serial_number,
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)
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placeholders = {
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CONF_HOST: self.ip_address,
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WALLCONNECTOR_SERIAL_NUMBER: self.serial_number,
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}
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self.context["title_placeholders"] = placeholders
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return await self.async_step_user()
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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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data_schema = vol.Schema(
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{vol.Required(CONF_HOST, default=self.ip_address): str}
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)
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if user_input is None:
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return self.async_show_form(step_id="user", data_schema=data_schema)
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errors = {}
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try:
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info = await validate_input(self.hass, user_input)
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except WallConnectorError:
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errors["base"] = "cannot_connect"
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except Exception as ex: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception: %s", ex)
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errors["base"] = "unknown"
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if not errors:
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await self.async_set_unique_id(
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unique_id=info[WALLCONNECTOR_SERIAL_NUMBER], raise_on_progress=True
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)
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self._abort_if_unique_id_configured(
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updates=user_input, reload_on_update=True
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)
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return self.async_create_entry(title=info["title"], data=user_input)
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return self.async_show_form(
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step_id="user", data_schema=data_schema, errors=errors
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)
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