Files

109 lines
3.7 KiB
Python

"""Support for Roborock image."""
from datetime import datetime
import logging
from roborock.devices.traits.v1.home import HomeTrait
from roborock.devices.traits.v1.map_content import MapContent
from homeassistant.components.image import ImageEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .coordinator import RoborockConfigEntry, RoborockDataUpdateCoordinator
from .entity import RoborockCoordinatedEntityV1
_LOGGER = logging.getLogger(__name__)
PARALLEL_UPDATES = 0
async def async_setup_entry(
hass: HomeAssistant,
config_entry: RoborockConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up Roborock image platform."""
async_add_entities(
(
RoborockMap(
config_entry,
coord,
coord.properties_api.home,
map_info.map_flag,
map_info.name,
)
for coord in config_entry.runtime_data.v1
if coord.properties_api.home is not None
for map_info in (coord.properties_api.home.home_map_info or {}).values()
),
)
class RoborockMap(RoborockCoordinatedEntityV1, ImageEntity):
"""A class to let you visualize the map."""
_attr_has_entity_name = True
image_last_updated: datetime
_attr_name: str
def __init__(
self,
config_entry: ConfigEntry,
coordinator: RoborockDataUpdateCoordinator,
home_trait: HomeTrait,
map_flag: int,
map_name: str,
) -> None:
"""Initialize a Roborock map."""
map_name = map_name or f"Map {map_flag}"
# Note: Map names are not a valid unique id since they can be changed
# in the roborock app. This should be migrated to use map flag for
# the unique id.
unique_id = f"{coordinator.duid_slug}_map_{map_name}"
RoborockCoordinatedEntityV1.__init__(self, unique_id, coordinator)
ImageEntity.__init__(self, coordinator.hass)
self.config_entry = config_entry
self._attr_name = map_name
self._home_trait = home_trait
self.map_flag = map_flag
self.cached_map: bytes | None = None
self._attr_entity_category = EntityCategory.DIAGNOSTIC
async def async_added_to_hass(self) -> None:
"""When entity is added to hass load any previously cached maps from disk."""
await super().async_added_to_hass()
self._attr_image_last_updated = self.coordinator.last_home_update
self.async_write_ha_state()
@property
def _map_content(self) -> MapContent | None:
if self._home_trait.home_map_content and (
map_content := self._home_trait.home_map_content.get(self.map_flag)
):
return map_content
return None
def _handle_coordinator_update(self) -> None:
"""Handle updated data from the coordinator.
If the coordinator has updated the map, we can update the image.
"""
if (map_content := self._map_content) is None:
return
if self.cached_map != map_content.image_content:
self.cached_map = map_content.image_content
self._attr_image_last_updated = self.coordinator.last_home_update
super()._handle_coordinator_update()
async def async_image(self) -> bytes | None:
"""Get the cached image."""
if (map_content := self._map_content) is None:
raise HomeAssistantError("Map flag not found in coordinator maps")
return map_content.image_content