core/homeassistant/components/senseme/config_flow.py

149 lines
5.5 KiB
Python

"""Config flow for SenseME."""
from __future__ import annotations
import ipaddress
from typing import Any
from aiosenseme import SensemeDevice, async_get_device_by_ip_address
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.components import dhcp
from homeassistant.const import CONF_DEVICE, CONF_HOST, CONF_ID
from homeassistant.data_entry_flow import FlowResult
from homeassistant.helpers.typing import DiscoveryInfoType
from .const import CONF_HOST_MANUAL, CONF_INFO, DOMAIN
from .discovery import async_discover, async_get_discovered_device
DISCOVER_TIMEOUT = 5
class SensemeFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle SenseME discovery config flow."""
VERSION = 1
def __init__(self) -> None:
"""Initialize the SenseME config flow."""
self._discovered_devices: list[SensemeDevice] | None = None
self._discovered_device: SensemeDevice | None = None
async def async_step_dhcp(self, discovery_info: dhcp.DhcpServiceInfo) -> FlowResult:
"""Handle discovery via dhcp."""
# If discovery is already running, it takes precedence since its more efficient
if self._async_current_entries():
return self.async_abort(reason="already_configured")
if device := await async_get_device_by_ip_address(discovery_info.ip):
device.stop()
if device is None or not device.uuid:
return self.async_abort(reason="cannot_connect")
await self.async_set_unique_id(device.uuid)
self._discovered_device = device
return await self.async_step_discovery_confirm()
async def async_step_integration_discovery(
self, discovery_info: DiscoveryInfoType
) -> FlowResult:
"""Handle integration discovery."""
uuid = discovery_info[CONF_ID]
device = async_get_discovered_device(self.hass, discovery_info[CONF_ID])
host = device.address
await self.async_set_unique_id(uuid)
for entry in self._async_current_entries(include_ignore=False):
if entry.data[CONF_INFO]["address"] == host:
return self.async_abort(reason="already_configured")
if entry.unique_id != uuid:
continue
self.hass.config_entries.async_update_entry(
entry, data={CONF_INFO: {**entry.data[CONF_INFO], "address": host}}
)
return self.async_abort(reason="already_configured")
self._discovered_device = device
return await self.async_step_discovery_confirm()
async def async_step_discovery_confirm(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Confirm discovery."""
device = self._discovered_device
assert device is not None
if user_input is not None:
return await self._async_entry_for_device(device)
placeholders = {
"name": device.name,
"model": device.model,
"host": device.address,
}
self.context["title_placeholders"] = placeholders
return self.async_show_form(
step_id="discovery_confirm", description_placeholders=placeholders
)
async def _async_entry_for_device(self, device: SensemeDevice) -> FlowResult:
"""Create a config entry for a device."""
await self.async_set_unique_id(device.uuid, raise_on_progress=False)
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=device.name,
data={CONF_INFO: device.get_device_info},
)
async def async_step_manual(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Handle manual entry of an ip address."""
errors = {}
if user_input is not None:
host = user_input[CONF_HOST]
try:
ipaddress.ip_address(host)
except ValueError:
errors[CONF_HOST] = "invalid_host"
else:
if device := await async_get_device_by_ip_address(host):
device.stop()
return await self._async_entry_for_device(device)
errors[CONF_HOST] = "cannot_connect"
return self.async_show_form(
step_id="manual",
data_schema=vol.Schema({vol.Required(CONF_HOST): str}),
errors=errors,
)
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Handle a flow initialized by the user."""
if self._discovered_devices is None:
self._discovered_devices = await async_discover(self.hass, DISCOVER_TIMEOUT)
current_ids = self._async_current_ids()
device_selection = {
device.uuid: device.name
for device in self._discovered_devices
if device.uuid not in current_ids
}
if not device_selection:
return await self.async_step_manual(user_input=None)
device_selection[None] = CONF_HOST_MANUAL
if user_input is not None:
if user_input[CONF_DEVICE] is None:
return await self.async_step_manual()
for device in self._discovered_devices:
if device.uuid == user_input[CONF_DEVICE]:
return await self._async_entry_for_device(device)
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{vol.Required(CONF_DEVICE): vol.In(device_selection)}
),
)