core/homeassistant/components/life360/device_tracker.py

327 lines
12 KiB
Python

"""Support for Life360 device tracking."""
from __future__ import annotations
from collections.abc import Mapping
from contextlib import suppress
from typing import Any, cast
from homeassistant.components.device_tracker import SourceType, TrackerEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import ATTR_BATTERY_CHARGING
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import (
ATTR_ADDRESS,
ATTR_AT_LOC_SINCE,
ATTR_DRIVING,
ATTR_LAST_SEEN,
ATTR_PLACE,
ATTR_SPEED,
ATTR_WIFI_ON,
ATTRIBUTION,
CONF_DRIVING_SPEED,
CONF_MAX_GPS_ACCURACY,
DOMAIN,
LOGGER,
SHOW_DRIVING,
)
from .coordinator import Life360DataUpdateCoordinator, Life360Member
_LOC_ATTRS = (
"address",
"at_loc_since",
"driving",
"gps_accuracy",
"last_seen",
"latitude",
"longitude",
"place",
"speed",
)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up the device tracker platform."""
coordinator = hass.data[DOMAIN].coordinators[entry.entry_id]
tracked_members = hass.data[DOMAIN].tracked_members
logged_circles = hass.data[DOMAIN].logged_circles
logged_places = hass.data[DOMAIN].logged_places
@callback
def process_data(new_members_only: bool = True) -> None:
"""Process new Life360 data."""
for circle_id, circle in coordinator.data.circles.items():
if circle_id not in logged_circles:
logged_circles.append(circle_id)
LOGGER.debug("Circle: %s", circle.name)
new_places = []
for place_id, place in circle.places.items():
if place_id not in logged_places:
logged_places.append(place_id)
new_places.append(place)
if new_places:
msg = f"Places from {circle.name}:"
for place in new_places:
msg += f"\n- name: {place.name}"
msg += f"\n latitude: {place.latitude}"
msg += f"\n longitude: {place.longitude}"
msg += f"\n radius: {place.radius}"
LOGGER.debug(msg)
new_entities = []
for member_id, member in coordinator.data.members.items():
tracked_by_entry = tracked_members.get(member_id)
if new_member := not tracked_by_entry:
tracked_members[member_id] = entry.entry_id
LOGGER.debug("Member: %s (%s)", member.name, entry.unique_id)
if (
new_member
or tracked_by_entry == entry.entry_id
and not new_members_only
):
new_entities.append(Life360DeviceTracker(coordinator, member_id))
async_add_entities(new_entities)
process_data(new_members_only=False)
entry.async_on_unload(coordinator.async_add_listener(process_data))
class Life360DeviceTracker(
CoordinatorEntity[Life360DataUpdateCoordinator], TrackerEntity
):
"""Life360 Device Tracker."""
_attr_attribution = ATTRIBUTION
_attr_unique_id: str
_attr_has_entity_name = True
_attr_name = None
def __init__(
self, coordinator: Life360DataUpdateCoordinator, member_id: str
) -> None:
"""Initialize Life360 Entity."""
super().__init__(coordinator)
self._attr_unique_id = member_id
self._data: Life360Member | None = coordinator.data.members[member_id]
self._prev_data = self._data
self._name = self._data.name
self._attr_entity_picture = self._data.entity_picture
# Server sends a pair of address values on alternate updates. Keep the pair of
# values so they can be combined into the one address attribute.
# The pair will either be two different address values, or one address and a
# copy of the Place value (if the Member is in a Place.) In the latter case we
# won't duplicate the Place name, but rather just use one the address value. Use
# the value of None to hold one of the "slots" in the list so we'll know not to
# expect another address value.
if (address := self._data.address) == self._data.place:
address = None
self._addresses = [address]
@property
def device_info(self) -> DeviceInfo:
"""Return device info."""
return DeviceInfo(identifiers={(DOMAIN, self._attr_unique_id)}, name=self._name)
@property
def _options(self) -> Mapping[str, Any]:
"""Shortcut to config entry options."""
return cast(Mapping[str, Any], self.coordinator.config_entry.options)
@callback
def _handle_coordinator_update(self) -> None:
"""Handle updated data from the coordinator."""
# Get a shortcut to this Member's data. This needs to be updated each time since
# coordinator provides a new Life360Member object each time, and it's possible
# that there is no data for this Member on some updates.
if self.available:
self._data = self.coordinator.data.members.get(self._attr_unique_id)
else:
self._data = None
if self._data:
# Check if we should effectively throw out new location data.
last_seen = self._data.last_seen
prev_seen = self._prev_data.last_seen
max_gps_acc = self._options.get(CONF_MAX_GPS_ACCURACY)
bad_last_seen = last_seen < prev_seen
bad_accuracy = (
max_gps_acc is not None and self.location_accuracy > max_gps_acc
)
if bad_last_seen or bad_accuracy:
if bad_last_seen:
LOGGER.warning(
(
"%s: Ignoring location update because "
"last_seen (%s) < previous last_seen (%s)"
),
self.entity_id,
last_seen,
prev_seen,
)
if bad_accuracy:
LOGGER.warning(
(
"%s: Ignoring location update because "
"expected GPS accuracy (%0.1f) is not met: %i"
),
self.entity_id,
max_gps_acc,
self.location_accuracy,
)
# Overwrite new location related data with previous values.
for attr in _LOC_ATTRS:
setattr(self._data, attr, getattr(self._prev_data, attr))
else:
# Process address field.
# Check if we got the name of a Place, which we won't use.
if (address := self._data.address) == self._data.place:
address = None
if last_seen != prev_seen:
# We have new location data, so we might have a new pair of address
# values.
if address not in self._addresses:
# We do.
# Replace the old values with the first value of the new pair.
self._addresses = [address]
elif self._data.address != self._prev_data.address:
# Location data didn't change in general, but the address field did.
# There are three possibilities:
# 1. The new value is one of the pair we've already seen before.
# 2. The new value is the second of the pair we haven't seen yet.
# 3. The new value is the first of a new pair of values.
if address not in self._addresses:
if len(self._addresses) < 2:
self._addresses.append(address)
else:
self._addresses = [address]
self._prev_data = self._data
super()._handle_coordinator_update()
@property
def force_update(self) -> bool:
"""Return True if state updates should be forced.
Overridden because CoordinatorEntity sets `should_poll` to False,
which causes TrackerEntity to set `force_update` to True.
"""
return False
@property
def entity_picture(self) -> str | None:
"""Return the entity picture to use in the frontend, if any."""
if self._data:
self._attr_entity_picture = self._data.entity_picture
return super().entity_picture
@property
def battery_level(self) -> int | None:
"""Return the battery level of the device.
Percentage from 0-100.
"""
if not self._data:
return None
return self._data.battery_level
@property
def source_type(self) -> SourceType:
"""Return the source type, eg gps or router, of the device."""
return SourceType.GPS
@property
def location_accuracy(self) -> int:
"""Return the location accuracy of the device.
Value in meters.
"""
if not self._data:
return 0
return self._data.gps_accuracy
@property
def driving(self) -> bool:
"""Return if driving."""
if not self._data:
return False
if (driving_speed := self._options.get(CONF_DRIVING_SPEED)) is not None:
if self._data.speed >= driving_speed:
return True
return self._data.driving
@property
def location_name(self) -> str | None:
"""Return a location name for the current location of the device."""
if self._options.get(SHOW_DRIVING) and self.driving:
return "Driving"
return None
@property
def latitude(self) -> float | None:
"""Return latitude value of the device."""
if not self._data:
return None
return self._data.latitude
@property
def longitude(self) -> float | None:
"""Return longitude value of the device."""
if not self._data:
return None
return self._data.longitude
@property
def extra_state_attributes(self) -> Mapping[str, Any] | None:
"""Return entity specific state attributes."""
if not self._data:
return {
ATTR_ADDRESS: None,
ATTR_AT_LOC_SINCE: None,
ATTR_BATTERY_CHARGING: None,
ATTR_DRIVING: None,
ATTR_LAST_SEEN: None,
ATTR_PLACE: None,
ATTR_SPEED: None,
ATTR_WIFI_ON: None,
}
# Generate address attribute from pair of address values.
# There may be two, one or no values. If there are two, sort the strings since
# one value is typically a numbered street address and the other is a street,
# town or state name, and it's helpful to start with the more detailed address
# value. Also, sorting helps to generate the same result if we get a location
# update, and the same pair is sent afterwards, but where the value that comes
# first is swapped vs the order they came in before the update.
address1: str | None = None
address2: str | None = None
with suppress(IndexError):
address1 = self._addresses[0]
address2 = self._addresses[1]
if address1 and address2:
address: str | None = " / ".join(sorted([address1, address2]))
else:
address = address1 or address2
return {
ATTR_ADDRESS: address,
ATTR_AT_LOC_SINCE: self._data.at_loc_since,
ATTR_BATTERY_CHARGING: self._data.battery_charging,
ATTR_DRIVING: self.driving,
ATTR_LAST_SEEN: self._data.last_seen,
ATTR_PLACE: self._data.place,
ATTR_SPEED: self._data.speed,
ATTR_WIFI_ON: self._data.wifi_on,
}