core/homeassistant/components/wiffi/config_flow.py

102 lines
3.0 KiB
Python

"""Config flow for wiffi component.
Used by UI to setup a wiffi integration.
"""
from __future__ import annotations
import errno
from typing import Any
import voluptuous as vol
from wiffi import WiffiTcpServer
from homeassistant.config_entries import (
ConfigEntry,
ConfigFlow,
ConfigFlowResult,
OptionsFlow,
)
from homeassistant.const import CONF_PORT, CONF_TIMEOUT
from homeassistant.core import callback
from .const import DEFAULT_PORT, DEFAULT_TIMEOUT, DOMAIN
class WiffiFlowHandler(ConfigFlow, domain=DOMAIN):
"""Wiffi server setup config flow."""
VERSION = 1
@staticmethod
@callback
def async_get_options_flow(
config_entry: ConfigEntry,
) -> OptionsFlowHandler:
"""Create Wiffi server setup option flow."""
return OptionsFlowHandler()
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the start of the config flow.
Called after wiffi integration has been selected in the 'add integration
UI'. The user_input is set to None in this case. We will open a config
flow form then.
This function is also called if the form has been submitted. user_input
contains a dict with the user entered values then.
"""
if user_input is None:
return self._async_show_form()
# received input from form or configuration.yaml
self._async_abort_entries_match(user_input)
try:
# try to start server to check whether port is in use
server = WiffiTcpServer(user_input[CONF_PORT])
await server.start_server()
await server.close_server()
return self.async_create_entry(
title=f"Port {user_input[CONF_PORT]}", data=user_input
)
except OSError as exc:
if exc.errno == errno.EADDRINUSE:
return self.async_abort(reason="addr_in_use")
return self.async_abort(reason="start_server_failed")
@callback
def _async_show_form(self, errors=None):
"""Show the config flow form to the user."""
data_schema = {vol.Required(CONF_PORT, default=DEFAULT_PORT): int}
return self.async_show_form(
step_id="user", data_schema=vol.Schema(data_schema), errors=errors or {}
)
class OptionsFlowHandler(OptionsFlow):
"""Wiffi server setup option flow."""
async def async_step_init(
self, user_input: dict[str, int] | None = None
) -> ConfigFlowResult:
"""Manage the options."""
if user_input is not None:
return self.async_create_entry(title="", data=user_input)
return self.async_show_form(
step_id="init",
data_schema=vol.Schema(
{
vol.Optional(
CONF_TIMEOUT,
default=self.config_entry.options.get(
CONF_TIMEOUT, DEFAULT_TIMEOUT
),
): int,
}
),
)