core/homeassistant/components/medcom_ble/config_flow.py

147 lines
5.3 KiB
Python

"""Config flow for Medcom BlE integration."""
from __future__ import annotations
import logging
from typing import Any
from bleak import BleakError
from bluetooth_data_tools import human_readable_name
from medcom_ble import MedcomBleDevice, MedcomBleDeviceData
from medcom_ble.const import INSPECTOR_SERVICE_UUID
import voluptuous as vol
from homeassistant.components import bluetooth
from homeassistant.components.bluetooth import (
BluetoothServiceInfo,
async_discovered_service_info,
)
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_ADDRESS
from homeassistant.data_entry_flow import AbortFlow
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
class InspectorBLEConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Medcom BLE radiation monitors."""
VERSION = 1
def __init__(self) -> None:
"""Initialize the config flow."""
self._discovery_info: BluetoothServiceInfo | None = None
self._discovered_devices: dict[str, BluetoothServiceInfo] = {}
async def _get_device_data(
self, service_info: BluetoothServiceInfo
) -> MedcomBleDevice:
ble_device = bluetooth.async_ble_device_from_address(
self.hass, service_info.address
)
if ble_device is None:
_LOGGER.debug("no ble_device in _get_device_data")
raise AbortFlow("cannot_connect")
inspector = MedcomBleDeviceData(_LOGGER)
return await inspector.update_device(ble_device)
async def async_step_bluetooth(
self, discovery_info: BluetoothServiceInfo
) -> ConfigFlowResult:
"""Handle the bluetooth discovery step."""
_LOGGER.debug("Discovered BLE device: %s", discovery_info.name)
await self.async_set_unique_id(discovery_info.address)
self._abort_if_unique_id_configured()
self._discovery_info = discovery_info
self.context["title_placeholders"] = {
"name": human_readable_name(
None, discovery_info.name, discovery_info.address
)
}
return await self.async_step_bluetooth_confirm()
async def async_step_bluetooth_confirm(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Confirm discovery."""
# We always will have self._discovery_info be a BluetoothServiceInfo at this point
# and this helps mypy not complain
assert self._discovery_info is not None
if user_input is None:
name = self._discovery_info.name or self._discovery_info.address
return self.async_show_form(
step_id="bluetooth_confirm",
description_placeholders={"name": name},
)
return await self.async_step_check_connection()
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the user step to pick discovered device."""
if user_input is not None:
address = user_input[CONF_ADDRESS]
await self.async_set_unique_id(address, raise_on_progress=False)
self._abort_if_unique_id_configured()
self._discovery_info = self._discovered_devices[address]
return await self.async_step_check_connection()
current_addresses = self._async_current_ids()
for discovery_info in async_discovered_service_info(self.hass):
address = discovery_info.address
if address in current_addresses or address in self._discovered_devices:
_LOGGER.debug(
"Detected a device that's already configured: %s", address
)
continue
if INSPECTOR_SERVICE_UUID not in discovery_info.service_uuids:
continue
self._discovered_devices[discovery_info.address] = discovery_info
if not self._discovered_devices:
return self.async_abort(reason="no_devices_found")
titles = {
address: discovery.name
for address, discovery in self._discovered_devices.items()
}
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(CONF_ADDRESS): vol.In(titles),
},
),
)
async def async_step_check_connection(self) -> ConfigFlowResult:
"""Check we can connect to the device before considering the configuration is successful."""
# We always will have self._discovery_info be a BluetoothServiceInfo at this point
# and this helps mypy not complain
assert self._discovery_info is not None
_LOGGER.debug("Checking device connection: %s", self._discovery_info.name)
try:
await self._get_device_data(self._discovery_info)
except BleakError:
return self.async_abort(reason="cannot_connect")
except AbortFlow:
raise
except Exception:
_LOGGER.exception(
"Error occurred reading information from %s",
self._discovery_info.address,
)
return self.async_abort(reason="unknown")
_LOGGER.debug("Device connection successful, proceeding")
return self.async_create_entry(title=self._discovery_info.name, data={})