mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
133 lines
4.7 KiB
Python
133 lines
4.7 KiB
Python
"""Config flow for Open Exchange Rates integration."""
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from __future__ import annotations
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import asyncio
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from collections.abc import Mapping
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from typing import Any
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from aioopenexchangerates import (
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Client,
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OpenExchangeRatesAuthError,
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OpenExchangeRatesClientError,
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)
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import async_timeout
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.const import CONF_API_KEY, CONF_BASE
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from homeassistant.core import HomeAssistant
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from homeassistant.data_entry_flow import AbortFlow, FlowResult
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from .const import CLIENT_TIMEOUT, DEFAULT_BASE, DOMAIN, LOGGER
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def get_data_schema(
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currencies: dict[str, str], existing_data: Mapping[str, str]
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) -> vol.Schema:
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"""Return a form schema."""
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return vol.Schema(
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{
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vol.Required(CONF_API_KEY): str,
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vol.Optional(
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CONF_BASE, default=existing_data.get(CONF_BASE) or DEFAULT_BASE
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): vol.In(currencies),
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}
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)
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async def validate_input(hass: HomeAssistant, data: dict[str, str]) -> dict[str, str]:
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"""Validate the user input allows us to connect."""
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client = Client(data[CONF_API_KEY], async_get_clientsession(hass))
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async with async_timeout.timeout(CLIENT_TIMEOUT):
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await client.get_latest(base=data[CONF_BASE])
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return {"title": data[CONF_BASE]}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Open Exchange Rates."""
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VERSION = 1
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def __init__(self) -> None:
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"""Initialize the config flow."""
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self.currencies: dict[str, str] = {}
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self._reauth_entry: config_entries.ConfigEntry | None = None
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the initial step."""
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currencies = await self.async_get_currencies()
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if user_input is None:
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existing_data: Mapping[str, str] | dict[str, str] = (
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self._reauth_entry.data if self._reauth_entry else {}
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)
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return self.async_show_form(
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step_id="user", data_schema=get_data_schema(currencies, existing_data)
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)
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errors = {}
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try:
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info = await validate_input(self.hass, user_input)
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except OpenExchangeRatesAuthError:
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errors["base"] = "invalid_auth"
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except OpenExchangeRatesClientError:
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errors["base"] = "cannot_connect"
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except asyncio.TimeoutError:
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errors["base"] = "timeout_connect"
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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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else:
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self._async_abort_entries_match(
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{
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CONF_API_KEY: user_input[CONF_API_KEY],
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CONF_BASE: user_input[CONF_BASE],
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}
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)
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if self._reauth_entry is not None:
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self.hass.config_entries.async_update_entry(
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self._reauth_entry, data=self._reauth_entry.data | user_input
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)
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await self.hass.config_entries.async_reload(self._reauth_entry.entry_id)
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return self.async_abort(reason="reauth_successful")
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return self.async_create_entry(title=info["title"], data=user_input)
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return self.async_show_form(
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step_id="user",
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data_schema=get_data_schema(currencies, user_input),
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description_placeholders={"signup": "https://openexchangerates.org/signup"},
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errors=errors,
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)
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async def async_step_reauth(self, entry_data: Mapping[str, Any]) -> FlowResult:
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"""Handle reauth."""
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self._reauth_entry = self.hass.config_entries.async_get_entry(
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self.context["entry_id"]
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)
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return await self.async_step_user()
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async def async_get_currencies(self) -> dict[str, str]:
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"""Get the available currencies."""
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if not self.currencies:
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client = Client("dummy-api-key", async_get_clientsession(self.hass))
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try:
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async with async_timeout.timeout(CLIENT_TIMEOUT):
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self.currencies = await client.get_currencies()
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except OpenExchangeRatesClientError as err:
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raise AbortFlow("cannot_connect") from err
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except asyncio.TimeoutError as err:
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raise AbortFlow("timeout_connect") from err
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return self.currencies
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async def async_step_import(self, import_config: dict[str, Any]) -> FlowResult:
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"""Handle import from yaml/configuration."""
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return await self.async_step_user(import_config)
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