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HomeAssistantVS/custom_components/powercalc/flow_helper/flows/cost.py
T

95 lines
3.6 KiB
Python

"""Config/options flow for a standalone cost sensor based on an existing energy sensor."""
from __future__ import annotations
from typing import TYPE_CHECKING, Any
from homeassistant.components.sensor import SensorDeviceClass
from homeassistant.config_entries import ConfigFlowResult
from homeassistant.const import CONF_NAME
from homeassistant.data_entry_flow import section
from homeassistant.helpers import selector
from homeassistant.helpers.schema_config_entry_flow import SchemaFlowError
import voluptuous as vol
from custom_components.powercalc.const import (
CONF_ENERGY_PRICE,
CONF_ENERGY_PRICE_SENSOR,
CONF_ENERGY_SENSOR_ID,
DOMAIN,
DOMAIN_CONFIG,
SensorType,
)
from custom_components.powercalc.flow_helper.common import PowercalcFormStep, Step, flatten_sections
from custom_components.powercalc.flow_helper.schema import SCHEMA_COST_PRICING, SECTION_COST_PRICING
if TYPE_CHECKING:
from homeassistant.core import HomeAssistant
from custom_components.powercalc.config_flow import PowercalcConfigFlow, PowercalcOptionsFlow
SCHEMA_COST_OPTIONS = vol.Schema(
{
vol.Required(CONF_ENERGY_SENSOR_ID): selector.EntitySelector(
selector.EntitySelectorConfig(domain="sensor", device_class=SensorDeviceClass.ENERGY),
),
vol.Optional(SECTION_COST_PRICING): section(SCHEMA_COST_PRICING, {"collapsed": True}),
},
)
SCHEMA_COST = vol.Schema(
{
vol.Required(CONF_NAME): selector.TextSelector(),
**SCHEMA_COST_OPTIONS.schema,
},
)
def is_global_price_configured(hass: HomeAssistant) -> bool:
"""Check whether a global energy price (fixed or sensor) has been configured."""
global_config = hass.data.get(DOMAIN, {}).get(DOMAIN_CONFIG, {})
return bool(global_config.get(CONF_ENERGY_PRICE) or global_config.get(CONF_ENERGY_PRICE_SENSOR))
def validate_price_configured(hass: HomeAssistant, user_input: dict[str, Any]) -> dict[str, str] | None:
"""Ensure a price is available, either overridden on the sensor itself or globally."""
if user_input.get(CONF_ENERGY_PRICE) or user_input.get(CONF_ENERGY_PRICE_SENSOR):
return None
if is_global_price_configured(hass):
return None
return {"base": "cost_price_mandatory"}
class CostConfigFlow:
def __init__(self, flow: PowercalcConfigFlow) -> None:
self.flow: PowercalcConfigFlow = flow
async def async_step_cost(self, user_input: dict[str, Any] | None = None) -> ConfigFlowResult:
"""Handle the flow for a standalone cost sensor."""
self.flow.selected_sensor_type = SensorType.COST
return await self.flow.handle_form_step(
PowercalcFormStep(step=Step.COST, schema=SCHEMA_COST, validate_user_input=self.validate),
user_input,
)
def validate(self, user_input: dict[str, Any]) -> dict[str, Any]:
"""Flatten the pricing section and reject the input when no price is available."""
user_input = flatten_sections(user_input, SCHEMA_COST)
if validate_price_configured(self.flow.hass, user_input):
raise SchemaFlowError("cost_price_mandatory")
return user_input
class CostOptionsFlow:
def __init__(self, flow: PowercalcOptionsFlow) -> None:
self.flow: PowercalcOptionsFlow = flow
async def async_step_cost(self, user_input: dict[str, Any] | None = None) -> ConfigFlowResult:
"""Handle the cost sensor options flow."""
return await self.flow.async_handle_options_step(
user_input,
SCHEMA_COST_OPTIONS,
Step.COST,
validate=lambda flat_input: validate_price_configured(self.flow.hass, flat_input),
)