mirror of
https://github.com/home-assistant/core
synced 2024-08-28 03:36:46 +02:00
101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
"""Config flow for the Velbus platform."""
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from __future__ import annotations
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from typing import Any
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import velbusaio.controller
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from velbusaio.exceptions import VelbusConnectionFailed
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.components import usb
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from homeassistant.const import CONF_NAME, CONF_PORT
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.util import slugify
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from .const import DOMAIN
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class VelbusConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow."""
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VERSION = 2
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def __init__(self) -> None:
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"""Initialize the velbus config flow."""
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self._errors: dict[str, str] = {}
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self._device: str = ""
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self._title: str = ""
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def _create_device(self, name: str, prt: str) -> FlowResult:
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"""Create an entry async."""
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return self.async_create_entry(title=name, data={CONF_PORT: prt})
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async def _test_connection(self, prt: str) -> bool:
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"""Try to connect to the velbus with the port specified."""
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try:
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controller = velbusaio.controller.Velbus(prt)
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await controller.connect(True)
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await controller.stop()
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except VelbusConnectionFailed:
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self._errors[CONF_PORT] = "cannot_connect"
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return False
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return True
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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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"""Step when user initializes a integration."""
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self._errors = {}
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if user_input is not None:
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name = slugify(user_input[CONF_NAME])
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prt = user_input[CONF_PORT]
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self._async_abort_entries_match({CONF_PORT: prt})
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if await self._test_connection(prt):
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return self._create_device(name, prt)
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else:
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user_input = {}
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user_input[CONF_NAME] = ""
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user_input[CONF_PORT] = ""
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema(
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{
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vol.Required(CONF_NAME, default=user_input[CONF_NAME]): str,
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vol.Required(CONF_PORT, default=user_input[CONF_PORT]): str,
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}
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),
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errors=self._errors,
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)
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async def async_step_usb(self, discovery_info: usb.UsbServiceInfo) -> FlowResult:
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"""Handle USB Discovery."""
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await self.async_set_unique_id(
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f"{discovery_info.vid}:{discovery_info.pid}_{discovery_info.serial_number}_{discovery_info.manufacturer}_{discovery_info.description}"
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)
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dev_path = discovery_info.device
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# check if this device is not already configured
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self._async_abort_entries_match({CONF_PORT: dev_path})
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# check if we can make a valid velbus connection
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if not await self._test_connection(dev_path):
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return self.async_abort(reason="cannot_connect")
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# store the data for the config step
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self._device = dev_path
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self._title = "Velbus USB"
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# call the config step
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self._set_confirm_only()
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return await self.async_step_discovery_confirm()
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async def async_step_discovery_confirm(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle Discovery confirmation."""
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if user_input is not None:
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return self._create_device(self._title, self._device)
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return self.async_show_form(
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step_id="discovery_confirm",
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description_placeholders={CONF_NAME: self._title},
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)
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