1
0
mirror of https://github.com/immich-app/immich.git synced 2024-12-24 10:37:28 +02:00
immich/mobile/lib/shared/providers/asset.provider.dart

218 lines
7.3 KiB
Dart

import 'dart:collection';
import 'package:hive/hive.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/hive_box.dart';
import 'package:immich_mobile/modules/home/services/asset.service.dart';
import 'package:immich_mobile/modules/home/services/asset_cache.service.dart';
import 'package:immich_mobile/shared/models/asset.dart';
import 'package:immich_mobile/shared/services/device_info.service.dart';
import 'package:collection/collection.dart';
import 'package:immich_mobile/utils/tuple.dart';
import 'package:intl/intl.dart';
import 'package:logging/logging.dart';
import 'package:openapi/api.dart';
import 'package:photo_manager/photo_manager.dart';
class AssetNotifier extends StateNotifier<List<Asset>> {
final AssetService _assetService;
final AssetCacheService _assetCacheService;
final log = Logger('AssetNotifier');
final DeviceInfoService _deviceInfoService = DeviceInfoService();
bool _getAllAssetInProgress = false;
bool _deleteInProgress = false;
AssetNotifier(this._assetService, this._assetCacheService) : super([]);
_cacheState() {
_assetCacheService.put(state);
}
getAllAsset() async {
if (_getAllAssetInProgress || _deleteInProgress) {
// guard against multiple calls to this method while it's still working
return;
}
final stopwatch = Stopwatch();
try {
_getAllAssetInProgress = true;
final bool isCacheValid = await _assetCacheService.isValid();
stopwatch.start();
final Box box = Hive.box(userInfoBox);
final localTask = _assetService.getLocalAssets(urgent: !isCacheValid);
final remoteTask = _assetService.getRemoteAssets(
etag: isCacheValid ? box.get(assetEtagKey) : null,
);
if (isCacheValid && state.isEmpty) {
state = await _assetCacheService.get();
log.info(
"Reading assets from cache: ${stopwatch.elapsedMilliseconds}ms",
);
stopwatch.reset();
}
int remoteBegin = state.indexWhere((a) => a.isRemote);
remoteBegin = remoteBegin == -1 ? state.length : remoteBegin;
final List<Asset> currentLocal = state.slice(0, remoteBegin);
final Pair<List<Asset>?, String?> remoteResult = await remoteTask;
List<Asset>? newRemote = remoteResult.first;
List<Asset>? newLocal = await localTask;
log.info("Load assets: ${stopwatch.elapsedMilliseconds}ms");
stopwatch.reset();
if (newRemote == null &&
(newLocal == null || currentLocal.equals(newLocal))) {
log.info("state is already up-to-date");
return;
}
newRemote ??= state.slice(remoteBegin);
newLocal ??= [];
state = _combineLocalAndRemoteAssets(local: newLocal, remote: newRemote);
log.info("Combining assets: ${stopwatch.elapsedMilliseconds}ms");
stopwatch.reset();
_cacheState();
box.put(assetEtagKey, remoteResult.second);
log.info("Store assets in cache: ${stopwatch.elapsedMilliseconds}ms");
} finally {
_getAllAssetInProgress = false;
}
}
List<Asset> _combineLocalAndRemoteAssets({
required Iterable<Asset> local,
required List<Asset> remote,
}) {
final List<Asset> assets = [];
if (remote.isNotEmpty && local.isNotEmpty) {
final String deviceId = Hive.box(userInfoBox).get(deviceIdKey);
final Set<String> existingIds = remote
.where((e) => e.deviceId == deviceId)
.map((e) => e.deviceAssetId)
.toSet();
local = local.where((e) => !existingIds.contains(e.id));
}
assets.addAll(local);
// the order (first all local, then remote assets) is important!
assets.addAll(remote);
return assets;
}
clearAllAsset() {
state = [];
_cacheState();
}
onNewAssetUploaded(AssetResponseDto newAsset) {
final int i = state.indexWhere(
(a) =>
a.isRemote ||
(a.id == newAsset.deviceAssetId && a.deviceId == newAsset.deviceId),
);
if (i == -1 || state[i].deviceAssetId != newAsset.deviceAssetId) {
state = [...state, Asset.remote(newAsset)];
} else {
// order is important to keep all local-only assets at the beginning!
state = [
...state.slice(0, i),
...state.slice(i + 1),
Asset.remote(newAsset),
];
// TODO here is a place to unify local/remote assets by replacing the
// local-only asset in the state with a local&remote asset
}
_cacheState();
}
deleteAssets(Set<Asset> deleteAssets) async {
_deleteInProgress = true;
try {
final localDeleted = await _deleteLocalAssets(deleteAssets);
final remoteDeleted = await _deleteRemoteAssets(deleteAssets);
final Set<String> deleted = HashSet();
deleted.addAll(localDeleted);
deleted.addAll(remoteDeleted);
if (deleted.isNotEmpty) {
state = state.where((a) => !deleted.contains(a.id)).toList();
_cacheState();
}
} finally {
_deleteInProgress = false;
}
}
Future<List<String>> _deleteLocalAssets(Set<Asset> assetsToDelete) async {
var deviceInfo = await _deviceInfoService.getDeviceInfo();
var deviceId = deviceInfo["deviceId"];
final List<String> local = [];
// Delete asset from device
for (final Asset asset in assetsToDelete) {
if (asset.isLocal) {
local.add(asset.id);
} else if (asset.deviceId == deviceId) {
// Delete asset on device if it is still present
var localAsset = await AssetEntity.fromId(asset.deviceAssetId);
if (localAsset != null) {
local.add(localAsset.id);
}
}
}
if (local.isNotEmpty) {
try {
return await PhotoManager.editor.deleteWithIds(local);
} catch (e, stack) {
log.severe("Failed to delete asset from device", e, stack);
}
}
return [];
}
Future<Iterable<String>> _deleteRemoteAssets(
Set<Asset> assetsToDelete,
) async {
final Iterable<AssetResponseDto> remote =
assetsToDelete.where((e) => e.isRemote).map((e) => e.remote!);
final List<DeleteAssetResponseDto> deleteAssetResult =
await _assetService.deleteAssets(remote) ?? [];
return deleteAssetResult
.where((a) => a.status == DeleteAssetStatus.SUCCESS)
.map((a) => a.id);
}
}
final assetProvider = StateNotifierProvider<AssetNotifier, List<Asset>>((ref) {
return AssetNotifier(
ref.watch(assetServiceProvider),
ref.watch(assetCacheServiceProvider),
);
});
final assetGroupByDateTimeProvider = StateProvider((ref) {
final assets = ref.watch(assetProvider).toList();
// `toList()` ist needed to make a copy as to NOT sort the original list/state
assets.sortByCompare<DateTime>(
(e) => e.createdAt,
(a, b) => b.compareTo(a),
);
return assets.groupListsBy(
(element) => DateFormat('y-MM-dd').format(element.createdAt.toLocal()),
);
});
final assetGroupByMonthYearProvider = StateProvider((ref) {
// TODO: remove `where` once temporary workaround is no longer needed (to only
// allow remote assets to be added to album). Keep `toList()` as to NOT sort
// the original list/state
final assets = ref.watch(assetProvider).where((e) => e.isRemote).toList();
assets.sortByCompare<DateTime>(
(e) => e.createdAt,
(a, b) => b.compareTo(a),
);
return assets.groupListsBy(
(element) => DateFormat('MMMM, y').format(element.createdAt.toLocal()),
);
});