156 lines
5.1 KiB
Python
156 lines
5.1 KiB
Python
"""Camera platform for Immich Album Watcher."""
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from __future__ import annotations
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import logging
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from datetime import timedelta
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import aiohttp
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from homeassistant.components.camera import Camera
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .const import CONF_ALBUMS, DOMAIN
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from .coordinator import AlbumData, ImmichAlbumWatcherCoordinator
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_LOGGER = logging.getLogger(__name__)
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SCAN_INTERVAL = timedelta(seconds=60)
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up Immich Album Watcher cameras from a config entry."""
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coordinator: ImmichAlbumWatcherCoordinator = hass.data[DOMAIN][entry.entry_id]
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album_ids = entry.options.get(CONF_ALBUMS, [])
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entities = [
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ImmichAlbumThumbnailCamera(coordinator, entry, album_id)
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for album_id in album_ids
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]
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async_add_entities(entities)
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class ImmichAlbumThumbnailCamera(
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CoordinatorEntity[ImmichAlbumWatcherCoordinator], Camera
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):
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"""Camera entity showing the album thumbnail."""
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_attr_has_entity_name = True
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_attr_translation_key = "album_thumbnail"
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def __init__(
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self,
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coordinator: ImmichAlbumWatcherCoordinator,
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entry: ConfigEntry,
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album_id: str,
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) -> None:
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"""Initialize the camera."""
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CoordinatorEntity.__init__(self, coordinator)
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Camera.__init__(self)
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self._album_id = album_id
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self._entry = entry
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self._attr_unique_id = f"{entry.entry_id}_{album_id}_thumbnail"
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self._cached_image: bytes | None = None
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self._last_thumbnail_id: str | None = None
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@property
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def _album_data(self) -> AlbumData | None:
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"""Get the album data from coordinator."""
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if self.coordinator.data is None:
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return None
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return self.coordinator.data.get(self._album_id)
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@property
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def translation_placeholders(self) -> dict[str, str]:
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"""Return translation placeholders."""
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if self._album_data:
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return {"album_name": self._album_data.name}
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return {"album_name": f"Album {self._album_id[:8]}"}
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@property
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def available(self) -> bool:
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"""Return if entity is available."""
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return (
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self.coordinator.last_update_success
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and self._album_data is not None
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and self._album_data.thumbnail_asset_id is not None
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)
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@property
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def device_info(self) -> DeviceInfo:
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"""Return device info."""
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return DeviceInfo(
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identifiers={(DOMAIN, self._entry.entry_id)},
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name="Immich Album Watcher",
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manufacturer="Immich",
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entry_type="service",
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)
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@property
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def extra_state_attributes(self) -> dict[str, str | None]:
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"""Return extra state attributes."""
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if not self._album_data:
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return {}
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return {
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"album_id": self._album_data.id,
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"album_name": self._album_data.name,
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"thumbnail_asset_id": self._album_data.thumbnail_asset_id,
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}
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async def async_camera_image(
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self, width: int | None = None, height: int | None = None
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) -> bytes | None:
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"""Return bytes of camera image."""
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if not self._album_data or not self._album_data.thumbnail_asset_id:
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return None
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# Check if thumbnail changed
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if self._album_data.thumbnail_asset_id == self._last_thumbnail_id:
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if self._cached_image:
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return self._cached_image
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# Fetch new thumbnail
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session = async_get_clientsession(self.hass)
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headers = {"x-api-key": self.coordinator.api_key}
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thumbnail_url = (
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f"{self.coordinator.immich_url}/api/assets/"
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f"{self._album_data.thumbnail_asset_id}/thumbnail"
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)
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try:
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async with session.get(thumbnail_url, headers=headers) as response:
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if response.status == 200:
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self._cached_image = await response.read()
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self._last_thumbnail_id = self._album_data.thumbnail_asset_id
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return self._cached_image
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else:
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_LOGGER.warning(
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"Failed to fetch thumbnail for album %s: HTTP %s",
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self._album_data.name,
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response.status,
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)
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except aiohttp.ClientError as err:
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_LOGGER.error("Error fetching thumbnail: %s", err)
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return self._cached_image
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@callback
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def _handle_coordinator_update(self) -> None:
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"""Handle updated data from the coordinator."""
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# Clear cache if thumbnail changed
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if self._album_data and self._album_data.thumbnail_asset_id != self._last_thumbnail_id:
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self._cached_image = None
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self.async_write_ha_state()
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