core/homeassistant/components/vizio/config_flow.py

218 lines
8.2 KiB
Python

"""Config flow for Vizio."""
import logging
from typing import Any, Dict
from pyvizio import VizioAsync, async_guess_device_type
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.components.media_player import DEVICE_CLASS_SPEAKER, DEVICE_CLASS_TV
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONF_ACCESS_TOKEN,
CONF_DEVICE_CLASS,
CONF_HOST,
CONF_NAME,
CONF_PORT,
CONF_TYPE,
)
from homeassistant.core import callback
from . import validate_auth
from .const import (
CONF_VOLUME_STEP,
DEFAULT_DEVICE_CLASS,
DEFAULT_NAME,
DEFAULT_VOLUME_STEP,
DOMAIN,
)
_LOGGER = logging.getLogger(__name__)
def _get_config_flow_schema(input_dict: Dict[str, Any] = None) -> vol.Schema:
"""Return schema defaults based on user input/config dict. Retain info already provided for future form views by setting them as defaults in schema."""
if input_dict is None:
input_dict = {}
return vol.Schema(
{
vol.Required(
CONF_NAME, default=input_dict.get(CONF_NAME, DEFAULT_NAME)
): str,
vol.Required(CONF_HOST, default=input_dict.get(CONF_HOST)): str,
vol.Optional(
CONF_DEVICE_CLASS,
default=input_dict.get(CONF_DEVICE_CLASS, DEFAULT_DEVICE_CLASS),
): vol.All(str, vol.Lower, vol.In([DEVICE_CLASS_TV, DEVICE_CLASS_SPEAKER])),
vol.Optional(
CONF_ACCESS_TOKEN, default=input_dict.get(CONF_ACCESS_TOKEN, "")
): str,
},
extra=vol.REMOVE_EXTRA,
)
class VizioOptionsConfigFlow(config_entries.OptionsFlow):
"""Handle Transmission client options."""
def __init__(self, config_entry: ConfigEntry) -> None:
"""Initialize vizio options flow."""
self.config_entry = config_entry
async def async_step_init(
self, user_input: Dict[str, Any] = None
) -> Dict[str, Any]:
"""Manage the vizio options."""
if user_input is not None:
return self.async_create_entry(title="", data=user_input)
options = {
vol.Optional(
CONF_VOLUME_STEP,
default=self.config_entry.options.get(
CONF_VOLUME_STEP, DEFAULT_VOLUME_STEP
),
): vol.All(vol.Coerce(int), vol.Range(min=1, max=10))
}
return self.async_show_form(step_id="init", data_schema=vol.Schema(options))
class VizioConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a Vizio config flow."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
@staticmethod
@callback
def async_get_options_flow(config_entry: ConfigEntry) -> VizioOptionsConfigFlow:
"""Get the options flow for this handler."""
return VizioOptionsConfigFlow(config_entry)
def __init__(self) -> None:
"""Initialize config flow."""
self._user_schema = None
self._must_show_form = None
async def async_step_user(
self, user_input: Dict[str, Any] = None
) -> Dict[str, Any]:
"""Handle a flow initialized by the user."""
errors = {}
if user_input is not None:
# Store current values in case setup fails and user needs to edit
self._user_schema = _get_config_flow_schema(user_input)
# Check if new config entry matches any existing config entries
for entry in self.hass.config_entries.async_entries(DOMAIN):
if entry.data[CONF_HOST] == user_input[CONF_HOST]:
errors[CONF_HOST] = "host_exists"
break
if entry.data[CONF_NAME] == user_input[CONF_NAME]:
errors[CONF_NAME] = "name_exists"
break
if not errors:
try:
# Ensure schema passes custom validation, otherwise catch exception and add error
validate_auth(user_input)
# Ensure config is valid for a device
if not await VizioAsync.validate_ha_config(
user_input[CONF_HOST],
user_input.get(CONF_ACCESS_TOKEN),
user_input[CONF_DEVICE_CLASS],
):
errors["base"] = "cant_connect"
except vol.Invalid:
errors["base"] = "tv_needs_token"
if not errors:
# Skip validating config and creating entry if form must be shown
if self._must_show_form:
self._must_show_form = False
else:
# Abort flow if existing entry with same unique ID matches new config entry.
# Since name and host check have already passed, if an entry already exists,
# It is likely a reconfigured device.
unique_id = await VizioAsync.get_unique_id(
user_input[CONF_HOST],
user_input.get(CONF_ACCESS_TOKEN),
user_input[CONF_DEVICE_CLASS],
)
if await self.async_set_unique_id(
unique_id=unique_id, raise_on_progress=True
):
return self.async_abort(
reason="already_setup_with_diff_host_and_name"
)
return self.async_create_entry(
title=user_input[CONF_NAME], data=user_input
)
# Use user_input params as default values for schema if user_input is non-empty, otherwise use default schema
schema = self._user_schema or _get_config_flow_schema()
return self.async_show_form(step_id="user", data_schema=schema, errors=errors)
async def async_step_import(self, import_config: Dict[str, Any]) -> Dict[str, Any]:
"""Import a config entry from configuration.yaml."""
# Check if new config entry matches any existing config entries
for entry in self.hass.config_entries.async_entries(DOMAIN):
if entry.data[CONF_HOST] == import_config[CONF_HOST] and entry.data[
CONF_NAME
] == import_config.get(CONF_NAME):
updated_options = {}
if entry.data[CONF_VOLUME_STEP] != import_config[CONF_VOLUME_STEP]:
updated_options[CONF_VOLUME_STEP] = import_config[CONF_VOLUME_STEP]
if updated_options:
new_data = entry.data.copy()
new_data.update(updated_options)
new_options = entry.options.copy()
new_options.update(updated_options)
self.hass.config_entries.async_update_entry(
entry=entry, data=new_data, options=new_options,
)
return self.async_abort(reason="updated_options")
return self.async_abort(reason="already_setup")
return await self.async_step_user(user_input=import_config)
async def async_step_zeroconf(
self, discovery_info: Dict[str, Any] = None
) -> Dict[str, Any]:
"""Handle zeroconf discovery."""
discovery_info[
CONF_HOST
] = f"{discovery_info[CONF_HOST]}:{discovery_info[CONF_PORT]}"
# Check if new config entry matches any existing config entries and abort if so
for entry in self.hass.config_entries.async_entries(DOMAIN):
if entry.data[CONF_HOST] == discovery_info[CONF_HOST]:
return self.async_abort(reason="already_setup")
# Set default name to discovered device name by stripping zeroconf service
# (`type`) from `name`
num_chars_to_strip = len(discovery_info[CONF_TYPE]) + 1
discovery_info[CONF_NAME] = discovery_info[CONF_NAME][:-num_chars_to_strip]
discovery_info[CONF_DEVICE_CLASS] = await async_guess_device_type(
discovery_info[CONF_HOST]
)
# Form must be shown after discovery so user can confirm/update configuration before ConfigEntry creation.
self._must_show_form = True
return await self.async_step_user(user_input=discovery_info)