core/homeassistant/components/dlink/config_flow.py

130 lines
4.6 KiB
Python

"""Config flow for the D-Link Power Plug integration."""
from __future__ import annotations
import logging
from typing import Any
from pyW215.pyW215 import SmartPlug
import voluptuous as vol
from homeassistant.components import dhcp
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
from .const import CONF_USE_LEGACY_PROTOCOL, DEFAULT_NAME, DEFAULT_USERNAME, DOMAIN
_LOGGER = logging.getLogger(__name__)
class DLinkFlowHandler(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for D-Link Power Plug."""
def __init__(self) -> None:
"""Initialize a D-Link Power Plug flow."""
self.ip_address: str | None = None
async def async_step_dhcp(
self, discovery_info: dhcp.DhcpServiceInfo
) -> ConfigFlowResult:
"""Handle dhcp discovery."""
await self.async_set_unique_id(discovery_info.macaddress)
self._abort_if_unique_id_configured(updates={CONF_HOST: discovery_info.ip})
for entry in self.hass.config_entries.async_entries(DOMAIN):
if not entry.unique_id and entry.data[CONF_HOST] == discovery_info.ip:
# Add mac address as the unique id, can be removed with import
self.hass.config_entries.async_update_entry(
entry, unique_id=discovery_info.macaddress
)
return self.async_abort(reason="already_configured")
self.ip_address = discovery_info.ip
return await self.async_step_confirm_discovery()
async def async_step_confirm_discovery(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Allow the user to confirm adding the device."""
errors = {}
if user_input is not None:
if (
error := await self.hass.async_add_executor_job(
self._try_connect, user_input
)
) is None:
return self.async_create_entry(
title=DEFAULT_NAME,
data=user_input | {CONF_HOST: self.ip_address},
)
errors["base"] = error
user_input = user_input or {}
return self.async_show_form(
step_id="confirm_discovery",
data_schema=vol.Schema(
{
vol.Optional(
CONF_USERNAME,
default=user_input.get(CONF_USERNAME, DEFAULT_USERNAME),
): str,
vol.Required(CONF_PASSWORD): str,
vol.Required(CONF_USE_LEGACY_PROTOCOL): bool,
}
),
errors=errors,
)
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a flow initiated by the user."""
errors = {}
if user_input is not None:
self._async_abort_entries_match({CONF_HOST: user_input[CONF_HOST]})
if (
error := await self.hass.async_add_executor_job(
self._try_connect, user_input
)
) is None:
return self.async_create_entry(
title=DEFAULT_NAME,
data=user_input,
)
errors["base"] = error
user_input = user_input or {}
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(
CONF_HOST, default=user_input.get(CONF_HOST, self.ip_address)
): str,
vol.Optional(
CONF_USERNAME,
default=user_input.get(CONF_USERNAME, DEFAULT_USERNAME),
): str,
vol.Required(CONF_PASSWORD): str,
vol.Required(CONF_USE_LEGACY_PROTOCOL): bool,
}
),
errors=errors,
)
def _try_connect(self, user_input: dict[str, Any]) -> str | None:
"""Try connecting to D-Link Power Plug."""
try:
smartplug = SmartPlug(
user_input.get(CONF_HOST, self.ip_address),
user_input[CONF_PASSWORD],
user_input[CONF_USERNAME],
user_input[CONF_USE_LEGACY_PROTOCOL],
)
except Exception:
_LOGGER.exception("Unexpected exception")
return "unknown"
if not smartplug.authenticated and smartplug.use_legacy_protocol:
return "cannot_connect"
return None