138 lines
4.4 KiB
Python
138 lines
4.4 KiB
Python
"""Config flow for PV Microinverter integration."""
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from __future__ import annotations
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import logging
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from typing import Any
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.core import HomeAssistant
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from .api import PVMicroinverterApiClient
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from .const import (
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CONF_STATION_ID,
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CONF_UPDATE_INTERVAL,
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DEFAULT_UPDATE_INTERVAL,
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DOMAIN,
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)
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_LOGGER = logging.getLogger(__name__)
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STEP_USER_DATA_SCHEMA = vol.Schema({
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vol.Required(CONF_STATION_ID): str,
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vol.Optional(CONF_UPDATE_INTERVAL, default=DEFAULT_UPDATE_INTERVAL): int,
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})
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async def validate_input(hass: HomeAssistant, data: dict[str, Any]) -> dict[str, Any]:
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"""Validate the user input allows us to connect to the API.
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Args:
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hass: The Home Assistant instance
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data: The user input
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Returns:
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Dict[str, Any]: The validated data
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Raises:
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CannotConnect: If the API connection cannot be established
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InvalidAuth: If the API key is invalid
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"""
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session = async_get_clientsession(hass)
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api_client = PVMicroinverterApiClient(
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session=session,
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station_id=data[CONF_STATION_ID],
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)
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# Test connection and authentication
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connection_successful = await api_client.async_check_connection()
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if not connection_successful:
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raise CannotConnect
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# Return validated data
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return {
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CONF_STATION_ID: data[CONF_STATION_ID],
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CONF_UPDATE_INTERVAL: data[CONF_UPDATE_INTERVAL],
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}
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class PVMicroinverterConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for PV Microinverter."""
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VERSION = 1
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async def async_step_user(self, user_input: dict[str, Any] = None) -> FlowResult:
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"""Handle the initial step."""
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errors: dict[str, str] = {}
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if user_input is not None:
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try:
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info = await validate_input(self.hass, user_input)
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# Check if we already have an entry for this system_id
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await self.async_set_unique_id(user_input[CONF_STATION_ID])
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self._abort_if_unique_id_configured()
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return self.async_create_entry(
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title=f"PV Microinverter {user_input[CONF_STATION_ID]}",
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data=info,
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)
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except CannotConnect:
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errors["base"] = "cannot_connect"
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except InvalidAuth:
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errors["base"] = "invalid_auth"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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return self.async_show_form(
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step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
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)
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async def async_step_reauth(self, user_input: dict[str, Any] = None) -> FlowResult:
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"""Handle re-authentication."""
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errors: dict[str, str] = {}
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if user_input is not None:
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try:
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info = await validate_input(self.hass, user_input)
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# Get existing entry
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existing_entry = await self.async_set_unique_id(
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user_input[CONF_STATION_ID]
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)
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if existing_entry:
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self.hass.config_entries.async_update_entry(
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existing_entry, data=info
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)
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await self.hass.config_entries.async_reload(existing_entry.entry_id)
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return self.async_abort(reason="reauth_successful")
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return self.async_abort(reason="reauth_failed_existing_entry_not_found")
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except CannotConnect:
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errors["base"] = "cannot_connect"
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except InvalidAuth:
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errors["base"] = "invalid_auth"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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return self.async_show_form(
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step_id="reauth", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
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)
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class CannotConnect(HomeAssistantError):
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"""Error to indicate we cannot connect."""
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class InvalidAuth(HomeAssistantError):
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"""Error to indicate there is invalid auth."""
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