core/homeassistant/components/derivative/config_flow.py

142 lines
4.3 KiB
Python

"""Config flow for Derivative integration."""
from __future__ import annotations
from collections.abc import Mapping
from typing import Any, cast
import voluptuous as vol
from homeassistant.components.counter import DOMAIN as COUNTER_DOMAIN
from homeassistant.components.input_number import DOMAIN as INPUT_NUMBER_DOMAIN
from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
from homeassistant.const import (
ATTR_UNIT_OF_MEASUREMENT,
CONF_NAME,
CONF_SOURCE,
UnitOfTime,
)
from homeassistant.core import callback
from homeassistant.helpers import selector
from homeassistant.helpers.schema_config_entry_flow import (
SchemaCommonFlowHandler,
SchemaConfigFlowHandler,
SchemaFlowFormStep,
SchemaOptionsFlowHandler,
)
from .const import (
CONF_ROUND_DIGITS,
CONF_TIME_WINDOW,
CONF_UNIT_PREFIX,
CONF_UNIT_TIME,
DOMAIN,
)
UNIT_PREFIXES = [
selector.SelectOptionDict(value="n", label="n (nano)"),
selector.SelectOptionDict(value="µ", label="µ (micro)"),
selector.SelectOptionDict(value="m", label="m (milli)"),
selector.SelectOptionDict(value="k", label="k (kilo)"),
selector.SelectOptionDict(value="M", label="M (mega)"),
selector.SelectOptionDict(value="G", label="G (giga)"),
selector.SelectOptionDict(value="T", label="T (tera)"),
selector.SelectOptionDict(value="P", label="P (peta)"),
]
TIME_UNITS = [
UnitOfTime.SECONDS,
UnitOfTime.MINUTES,
UnitOfTime.HOURS,
UnitOfTime.DAYS,
]
ALLOWED_DOMAINS = [COUNTER_DOMAIN, INPUT_NUMBER_DOMAIN, SENSOR_DOMAIN]
@callback
def entity_selector_compatible(
handler: SchemaOptionsFlowHandler,
) -> selector.EntitySelector:
"""Return an entity selector which compatible entities."""
current = handler.hass.states.get(handler.options[CONF_SOURCE])
unit_of_measurement = (
current.attributes.get(ATTR_UNIT_OF_MEASUREMENT) if current else None
)
entities = [
ent.entity_id
for ent in handler.hass.states.async_all(ALLOWED_DOMAINS)
if ent.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == unit_of_measurement
and ent.domain in ALLOWED_DOMAINS
]
return selector.EntitySelector(
selector.EntitySelectorConfig(include_entities=entities)
)
async def _get_options_dict(handler: SchemaCommonFlowHandler | None) -> dict:
if handler is None or not isinstance(
handler.parent_handler, SchemaOptionsFlowHandler
):
entity_selector = selector.EntitySelector(
selector.EntitySelectorConfig(domain=ALLOWED_DOMAINS)
)
else:
entity_selector = entity_selector_compatible(handler.parent_handler)
return {
vol.Required(CONF_SOURCE): entity_selector,
vol.Required(CONF_ROUND_DIGITS, default=2): selector.NumberSelector(
selector.NumberSelectorConfig(
min=0,
max=6,
mode=selector.NumberSelectorMode.BOX,
unit_of_measurement="decimals",
),
),
vol.Required(CONF_TIME_WINDOW): selector.DurationSelector(),
vol.Optional(CONF_UNIT_PREFIX): selector.SelectSelector(
selector.SelectSelectorConfig(options=UNIT_PREFIXES),
),
vol.Required(CONF_UNIT_TIME, default=UnitOfTime.HOURS): selector.SelectSelector(
selector.SelectSelectorConfig(
options=TIME_UNITS, translation_key="time_unit"
),
),
}
async def _get_options_schema(handler: SchemaCommonFlowHandler) -> vol.Schema:
return vol.Schema(await _get_options_dict(handler))
async def _get_config_schema(handler: SchemaCommonFlowHandler) -> vol.Schema:
options = await _get_options_dict(handler)
return vol.Schema(
{
vol.Required(CONF_NAME): selector.TextSelector(),
**options,
}
)
CONFIG_FLOW = {
"user": SchemaFlowFormStep(_get_config_schema),
}
OPTIONS_FLOW = {
"init": SchemaFlowFormStep(_get_options_schema),
}
class ConfigFlowHandler(SchemaConfigFlowHandler, domain=DOMAIN):
"""Handle a config or options flow for Derivative."""
config_flow = CONFIG_FLOW
options_flow = OPTIONS_FLOW
def async_config_entry_title(self, options: Mapping[str, Any]) -> str:
"""Return config entry title."""
return cast(str, options[CONF_NAME])