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haos-hacs-immich-album-watcher/custom_components/immich_album_watcher/storage.py

66 lines
2.2 KiB
Python

"""Storage helpers for Immich Album Watcher."""
from __future__ import annotations
import logging
from datetime import datetime, timezone
from typing import Any
from homeassistant.core import HomeAssistant
from homeassistant.helpers.storage import Store
_LOGGER = logging.getLogger(__name__)
STORAGE_VERSION = 1
STORAGE_KEY_PREFIX = "immich_album_watcher"
class ImmichAlbumStorage:
"""Handles persistence of album state across restarts."""
def __init__(self, hass: HomeAssistant, entry_id: str) -> None:
"""Initialize the storage."""
self._store: Store[dict[str, Any]] = Store(
hass, STORAGE_VERSION, f"{STORAGE_KEY_PREFIX}.{entry_id}"
)
self._data: dict[str, Any] | None = None
async def async_load(self) -> dict[str, Any]:
"""Load data from storage."""
self._data = await self._store.async_load() or {"albums": {}}
_LOGGER.debug("Loaded storage data with %d albums", len(self._data.get("albums", {})))
return self._data
async def async_save_album_state(self, album_id: str, asset_ids: set[str]) -> None:
"""Save album asset IDs to storage."""
if self._data is None:
self._data = {"albums": {}}
self._data["albums"][album_id] = {
"asset_ids": list(asset_ids),
"last_updated": datetime.now(timezone.utc).isoformat(),
}
await self._store.async_save(self._data)
def get_album_asset_ids(self, album_id: str) -> set[str] | None:
"""Get persisted asset IDs for an album.
Returns None if no persisted state exists for the album.
"""
if self._data and "albums" in self._data:
album_data = self._data["albums"].get(album_id)
if album_data:
return set(album_data.get("asset_ids", []))
return None
async def async_remove_album(self, album_id: str) -> None:
"""Remove an album from storage."""
if self._data and "albums" in self._data:
self._data["albums"].pop(album_id, None)
await self._store.async_save(self._data)
async def async_remove(self) -> None:
"""Remove all storage data."""
await self._store.async_remove()
self._data = None