144 lines
4.0 KiB
Python
144 lines
4.0 KiB
Python
"""Config flow for Monoprice 6-Zone Amplifier integration."""
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import logging
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from pymonoprice import get_async_monoprice
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from serial import SerialException
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import voluptuous as vol
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from homeassistant import config_entries, core, exceptions
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from homeassistant.const import CONF_PORT
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from .const import (
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CONF_SOURCE_1,
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CONF_SOURCE_2,
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CONF_SOURCE_3,
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CONF_SOURCE_4,
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CONF_SOURCE_5,
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CONF_SOURCE_6,
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CONF_SOURCES,
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)
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from .const import DOMAIN # pylint:disable=unused-import
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_LOGGER = logging.getLogger(__name__)
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SOURCES = [
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CONF_SOURCE_1,
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CONF_SOURCE_2,
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CONF_SOURCE_3,
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CONF_SOURCE_4,
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CONF_SOURCE_5,
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CONF_SOURCE_6,
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]
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OPTIONS_FOR_DATA = {vol.Optional(source): str for source in SOURCES}
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DATA_SCHEMA = vol.Schema({vol.Required(CONF_PORT): str, **OPTIONS_FOR_DATA})
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@core.callback
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def _sources_from_config(data):
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sources_config = {
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str(idx + 1): data.get(source) for idx, source in enumerate(SOURCES)
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}
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return {
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index: name.strip()
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for index, name in sources_config.items()
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if (name is not None and name.strip() != "")
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}
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async def validate_input(hass: core.HomeAssistant, data):
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"""Validate the user input allows us to connect.
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Data has the keys from DATA_SCHEMA with values provided by the user.
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"""
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try:
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await get_async_monoprice(data[CONF_PORT], hass.loop)
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except SerialException:
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_LOGGER.error("Error connecting to Monoprice controller")
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raise CannotConnect
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sources = _sources_from_config(data)
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# Return info that you want to store in the config entry.
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return {CONF_PORT: data[CONF_PORT], CONF_SOURCES: sources}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Monoprice 6-Zone Amplifier."""
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VERSION = 1
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CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
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async def async_step_user(self, user_input=None):
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"""Handle the initial step."""
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errors = {}
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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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return self.async_create_entry(title=user_input[CONF_PORT], data=info)
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except CannotConnect:
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errors["base"] = "cannot_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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return self.async_show_form(
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step_id="user", data_schema=DATA_SCHEMA, errors=errors
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)
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@staticmethod
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@core.callback
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def async_get_options_flow(config_entry):
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"""Define the config flow to handle options."""
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return MonopriceOptionsFlowHandler(config_entry)
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@core.callback
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def _key_for_source(index, source, previous_sources):
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if str(index) in previous_sources:
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key = vol.Optional(source, default=previous_sources[str(index)])
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else:
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key = vol.Optional(source)
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return key
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class MonopriceOptionsFlowHandler(config_entries.OptionsFlow):
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"""Handle a Monoprice options flow."""
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def __init__(self, config_entry):
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"""Initialize."""
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self.config_entry = config_entry
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@core.callback
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def _previous_sources(self):
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if CONF_SOURCES in self.config_entry.options:
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previous = self.config_entry.options[CONF_SOURCES]
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else:
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previous = self.config_entry.data[CONF_SOURCES]
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return previous
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async def async_step_init(self, user_input=None):
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"""Manage the options."""
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if user_input is not None:
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return self.async_create_entry(
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title="", data={CONF_SOURCES: _sources_from_config(user_input)}
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)
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previous_sources = self._previous_sources()
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options = {
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_key_for_source(idx + 1, source, previous_sources): str
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for idx, source in enumerate(SOURCES)
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}
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return self.async_show_form(step_id="init", data_schema=vol.Schema(options),)
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class CannotConnect(exceptions.HomeAssistantError):
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"""Error to indicate we cannot connect."""
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