util.py

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"""Support for Wireless Sensor Tags."""
 
import logging
 
from wirelesstagpy.sensortag import SensorTag
 
from homeassistant.core import HomeAssistant
from homeassistant.helpers import entity_registry as er
 
from .const import DOMAIN
 
_LOGGER = logging.getLogger(__name__)
 
 
def async_migrate_unique_id(
    hass: HomeAssistant, tag: SensorTag, domain: str, key: str
) -> None:
    """Migrate old unique id to new one with use of tag's uuid."""
    registry = er.async_get(hass)
    new_unique_id = f"{tag.uuid}_{key}"
 
    if registry.async_get_entity_id(domain, DOMAIN, new_unique_id):
        return
 
    old_unique_id = f"{tag.tag_id}_{key}"
    if entity_id := registry.async_get_entity_id(domain, DOMAIN, old_unique_id):
        _LOGGER.debug("Updating unique id for %s %s", key, entity_id)
        registry.async_update_entity(entity_id, new_unique_id=new_unique_id)