mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
"""Config flow for Tasmota."""
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from __future__ import annotations
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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.components.mqtt import valid_subscribe_topic
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers.typing import DiscoveryInfoType
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from .const import CONF_DISCOVERY_PREFIX, DEFAULT_PREFIX, DOMAIN
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class FlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow."""
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VERSION = 1
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def __init__(self) -> None:
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"""Initialize flow."""
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self._prefix = DEFAULT_PREFIX
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async def async_step_mqtt(self, discovery_info: DiscoveryInfoType) -> FlowResult:
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"""Handle a flow initialized by MQTT discovery."""
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if self._async_in_progress() or self._async_current_entries():
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return self.async_abort(reason="single_instance_allowed")
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await self.async_set_unique_id(DOMAIN)
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# Validate the message, abort if it fails
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if not discovery_info["topic"].endswith("/config"):
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# Not a Tasmota discovery message
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return self.async_abort(reason="invalid_discovery_info")
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if not discovery_info["payload"]:
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# Empty payload, the Tasmota is not configured for native discovery
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return self.async_abort(reason="invalid_discovery_info")
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# "tasmota/discovery/#" is hardcoded in Tasmota's manifest
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assert discovery_info["subscribed_topic"] == "tasmota/discovery/#"
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self._prefix = "tasmota/discovery"
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return await self.async_step_confirm()
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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 a flow initialized by the user."""
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if self._async_current_entries():
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return self.async_abort(reason="single_instance_allowed")
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if self.show_advanced_options:
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return await self.async_step_config()
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return await self.async_step_confirm()
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async def async_step_config(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Confirm the setup."""
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errors = {}
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data = {CONF_DISCOVERY_PREFIX: self._prefix}
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if user_input is not None:
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bad_prefix = False
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prefix = user_input[CONF_DISCOVERY_PREFIX]
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if prefix.endswith("/#"):
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prefix = prefix[:-2]
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try:
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valid_subscribe_topic(f"{prefix}/#")
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except vol.Invalid:
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errors["base"] = "invalid_discovery_topic"
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bad_prefix = True
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else:
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data[CONF_DISCOVERY_PREFIX] = prefix
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if not bad_prefix:
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return self.async_create_entry(title="Tasmota", data=data)
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fields = {}
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fields[vol.Optional(CONF_DISCOVERY_PREFIX, default=self._prefix)] = str
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return self.async_show_form(
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step_id="config", data_schema=vol.Schema(fields), errors=errors
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)
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async def async_step_confirm(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Confirm the setup."""
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data = {CONF_DISCOVERY_PREFIX: self._prefix}
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if user_input is not None:
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return self.async_create_entry(title="Tasmota", data=data)
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return self.async_show_form(step_id="confirm")
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