core/homeassistant/components/roborock/image.py

90 lines
2.8 KiB
Python

"""Support for Roborock image."""
from datetime import datetime
import logging
from homeassistant.components.image import ImageEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
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,
f"{coord.duid_slug}_map_{map_info.name}",
coord,
map_info.flag,
map_info.name,
)
for coord in config_entry.runtime_data.v1
for map_info in coord.maps.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,
unique_id: str,
coordinator: RoborockDataUpdateCoordinator,
map_flag: int,
map_name: str,
) -> None:
"""Initialize a Roborock map."""
RoborockCoordinatedEntityV1.__init__(self, unique_id, coordinator)
ImageEntity.__init__(self, coordinator.hass)
self.config_entry = config_entry
self._attr_name = map_name
self.map_flag = map_flag
self.cached_map = b""
self._attr_entity_category = EntityCategory.DIAGNOSTIC
@property
def is_selected(self) -> bool:
"""Return if this map is the currently selected map."""
return self.map_flag == self.coordinator.current_map
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.maps[
self.map_flag
].last_updated
self.async_write_ha_state()
def _handle_coordinator_update(self) -> None:
# If the coordinator has updated the map, we can update the image.
self._attr_image_last_updated = self.coordinator.maps[
self.map_flag
].last_updated
super()._handle_coordinator_update()
async def async_image(self) -> bytes | None:
"""Get the cached image."""
return self.coordinator.maps[self.map_flag].image