core/homeassistant/components/geonetnz_volcano/config_flow.py

79 lines
2.6 KiB
Python

"""Config flow to configure the GeoNet NZ Volcano integration."""
from typing import Any
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import (
CONF_LATITUDE,
CONF_LONGITUDE,
CONF_RADIUS,
CONF_SCAN_INTERVAL,
CONF_UNIT_SYSTEM,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import config_validation as cv
from homeassistant.util.unit_system import US_CUSTOMARY_SYSTEM
from .const import (
DEFAULT_RADIUS,
DEFAULT_SCAN_INTERVAL,
DOMAIN,
IMPERIAL_UNITS,
METRIC_UNITS,
)
@callback
def configured_instances(hass: HomeAssistant) -> set[str]:
"""Return a set of configured GeoNet NZ Volcano instances."""
return {
f"{entry.data[CONF_LATITUDE]}, {entry.data[CONF_LONGITUDE]}"
for entry in hass.config_entries.async_entries(DOMAIN)
}
class GeonetnzVolcanoFlowHandler(ConfigFlow, domain=DOMAIN):
"""Handle a GeoNet NZ Volcano config flow."""
async def _show_form(self, errors=None):
"""Show the form to the user."""
data_schema = vol.Schema(
{vol.Optional(CONF_RADIUS, default=DEFAULT_RADIUS): cv.positive_int}
)
return self.async_show_form(
step_id="user", data_schema=data_schema, errors=errors or {}
)
async def async_step_import(self, import_data: dict[str, Any]) -> ConfigFlowResult:
"""Import a config entry from configuration.yaml."""
return await self.async_step_user(import_data)
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the start of the config flow."""
if not user_input:
return await self._show_form()
latitude = user_input.get(CONF_LATITUDE, self.hass.config.latitude)
user_input[CONF_LATITUDE] = latitude
longitude = user_input.get(CONF_LONGITUDE, self.hass.config.longitude)
user_input[CONF_LONGITUDE] = longitude
identifier = f"{user_input[CONF_LATITUDE]}, {user_input[CONF_LONGITUDE]}"
if identifier in configured_instances(self.hass):
return await self._show_form({"base": "already_configured"})
if self.hass.config.units is US_CUSTOMARY_SYSTEM:
user_input[CONF_UNIT_SYSTEM] = IMPERIAL_UNITS
else:
user_input[CONF_UNIT_SYSTEM] = METRIC_UNITS
scan_interval = user_input.get(CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)
user_input[CONF_SCAN_INTERVAL] = scan_interval.total_seconds()
return self.async_create_entry(title=identifier, data=user_input)