core/homeassistant/components/opentherm_gw/config_flow.py

143 lines
4.7 KiB
Python

"""OpenTherm Gateway config flow."""
import asyncio
import pyotgw
from pyotgw import vars as gw_vars
from serial import SerialException
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.const import (
CONF_DEVICE,
CONF_ID,
CONF_NAME,
PRECISION_HALVES,
PRECISION_TENTHS,
PRECISION_WHOLE,
)
from homeassistant.core import callback
import homeassistant.helpers.config_validation as cv
from . import DOMAIN
from .const import CONF_FLOOR_TEMP, CONF_PRECISION
class OpenThermGwConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""OpenTherm Gateway Config Flow."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
@staticmethod
@callback
def async_get_options_flow(config_entry):
"""Get the options flow for this handler."""
return OpenThermGwOptionsFlow(config_entry)
async def async_step_init(self, info=None):
"""Handle config flow initiation."""
if info:
name = info[CONF_NAME]
device = info[CONF_DEVICE]
gw_id = cv.slugify(info.get(CONF_ID, name))
entries = [e.data for e in self.hass.config_entries.async_entries(DOMAIN)]
if gw_id in [e[CONF_ID] for e in entries]:
return self._show_form({"base": "id_exists"})
if device in [e[CONF_DEVICE] for e in entries]:
return self._show_form({"base": "already_configured"})
async def test_connection():
"""Try to connect to the OpenTherm Gateway."""
otgw = pyotgw.pyotgw()
status = await otgw.connect(self.hass.loop, device)
await otgw.disconnect()
return status.get(gw_vars.OTGW_ABOUT)
try:
res = await asyncio.wait_for(test_connection(), timeout=10)
except asyncio.TimeoutError:
return self._show_form({"base": "timeout"})
except SerialException:
return self._show_form({"base": "serial_error"})
if res:
return self._create_entry(gw_id, name, device)
return self._show_form()
async def async_step_user(self, user_input=None):
"""Handle manual initiation of the config flow."""
return await self.async_step_init(user_input)
async def async_step_import(self, import_config):
"""
Import an OpenTherm Gateway device as a config entry.
This flow is triggered by `async_setup` for configured devices.
"""
formatted_config = {
CONF_NAME: import_config.get(CONF_NAME, import_config[CONF_ID]),
CONF_DEVICE: import_config[CONF_DEVICE],
CONF_ID: import_config[CONF_ID],
}
return await self.async_step_init(info=formatted_config)
def _show_form(self, errors=None):
"""Show the config flow form with possible errors."""
return self.async_show_form(
step_id="init",
data_schema=vol.Schema(
{
vol.Required(CONF_NAME): str,
vol.Required(CONF_DEVICE): str,
vol.Optional(CONF_ID): str,
}
),
errors=errors or {},
)
def _create_entry(self, gw_id, name, device):
"""Create entry for the OpenTherm Gateway device."""
return self.async_create_entry(
title=name, data={CONF_ID: gw_id, CONF_DEVICE: device, CONF_NAME: name}
)
class OpenThermGwOptionsFlow(config_entries.OptionsFlow):
"""Handle opentherm_gw options."""
def __init__(self, config_entry):
"""Initialize the options flow."""
self.config_entry = config_entry
async def async_step_init(self, user_input=None):
"""Manage the opentherm_gw options."""
if user_input is not None:
if user_input.get(CONF_PRECISION) == 0:
user_input[CONF_PRECISION] = 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_PRECISION,
default=self.config_entry.options.get(CONF_PRECISION, 0),
): vol.All(
vol.Coerce(float),
vol.In(
[0, PRECISION_TENTHS, PRECISION_HALVES, PRECISION_WHOLE]
),
),
vol.Optional(
CONF_FLOOR_TEMP,
default=self.config_entry.options.get(CONF_FLOOR_TEMP, False),
): bool,
}
),
)