core/homeassistant/components/tasmota/config_flow.py

89 lines
2.8 KiB
Python

"""Config flow for Tasmota."""
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.components.mqtt import valid_subscribe_topic
from .const import ( # pylint:disable=unused-import
CONF_DISCOVERY_PREFIX,
DEFAULT_PREFIX,
DOMAIN,
)
class FlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
def __init__(self):
"""Initialize flow."""
self._prefix = DEFAULT_PREFIX
async def async_step_mqtt(self, discovery_info=None):
"""Handle a flow initialized by MQTT discovery."""
if self._async_in_progress() or self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
await self.async_set_unique_id(DOMAIN)
# Validate the topic, will throw if it fails
prefix = discovery_info.subscribed_topic
if prefix.endswith("/#"):
prefix = prefix[:-2]
try:
valid_subscribe_topic(f"{prefix}/#")
except vol.Invalid:
return self.async_abort(reason="invalid_discovery_info")
self._prefix = prefix
return await self.async_step_confirm()
async def async_step_user(self, user_input=None):
"""Handle a flow initialized by the user."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
if self.show_advanced_options:
return await self.async_step_config()
return await self.async_step_confirm()
async def async_step_config(self, user_input=None):
"""Confirm the setup."""
errors = {}
data = {CONF_DISCOVERY_PREFIX: self._prefix}
if user_input is not None:
bad_prefix = False
prefix = user_input[CONF_DISCOVERY_PREFIX]
if prefix.endswith("/#"):
prefix = prefix[:-2]
try:
valid_subscribe_topic(f"{prefix}/#")
except vol.Invalid:
errors["base"] = "invalid_discovery_topic"
bad_prefix = True
else:
data[CONF_DISCOVERY_PREFIX] = prefix
if not bad_prefix:
return self.async_create_entry(title="Tasmota", data=data)
fields = {}
fields[vol.Optional(CONF_DISCOVERY_PREFIX, default=self._prefix)] = str
return self.async_show_form(
step_id="config", data_schema=vol.Schema(fields), errors=errors
)
async def async_step_confirm(self, user_input=None):
"""Confirm the setup."""
data = {CONF_DISCOVERY_PREFIX: self._prefix}
if user_input is not None:
return self.async_create_entry(title="Tasmota", data=data)
return self.async_show_form(step_id="confirm")