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https://github.com/immich-app/immich.git
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JSON based caching
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parent
1156290377
commit
894eea739e
@ -1,4 +1,7 @@
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import 'dart:convert';
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import 'package:collection/collection.dart';
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import 'package:flutter/foundation.dart';
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import 'package:hive_flutter/hive_flutter.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:immich_mobile/constants/hive_box.dart';
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@ -8,77 +11,40 @@ final assetCacheServiceProvider = Provider(
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(ref) => AssetCacheService(),
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);
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typedef CacheEntry = Map<dynamic, dynamic>;
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typedef CacheList = List<CacheEntry>;
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class AssetCacheService {
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final _cacheBox = Hive.box(assetListCacheBox);
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bool isValid() {
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return _cacheBox.containsKey(assetListCachedAssets) && _rawGet().isNotEmpty;
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return _cacheBox.containsKey(assetListCachedAssets) &&
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_cacheBox.get(assetListCachedAssets) is String;
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}
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void putAssets(List<AssetResponseDto> assets) {
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_rawPut(assets.map((e) => _serialize(e)).toList());
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final mapList = assets.map((e) => e.toJson()).toList();
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final jsonString = json.encode(mapList);
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_cacheBox.put(assetListCachedAssets, jsonString);
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}
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List<AssetResponseDto> getAssets() {
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return _rawGet().map((e) => _deserialize(e)).whereNotNull().toList();
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try {
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final jsonString = _cacheBox.get(assetListCachedAssets);
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final mapList = json.decode(jsonString) as List<dynamic>;
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final responseData = mapList
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.map((e) => AssetResponseDto.fromJson(e))
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.whereNotNull()
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.toList();
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return responseData;
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} catch (e) {
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debugPrint(e.toString());
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return [];
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}
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}
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Future<List<AssetResponseDto>> getAssetsAsync() async {
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return Future.microtask(() => getAssets());
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}
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List<dynamic> _rawGet() {
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return _cacheBox.get(assetListCachedAssets) as List<dynamic>;
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}
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void _rawPut(CacheList data) {
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_cacheBox.put(assetListCachedAssets, data);
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}
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CacheEntry _serialize(AssetResponseDto a) {
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return {
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"id": a.id,
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"cat": a.createdAt,
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"did": a.deviceAssetId,
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"oid": a.ownerId,
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"dev": a.deviceId,
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"dur": a.duration,
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"mat": a.modifiedAt,
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"opa": a.originalPath,
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"typ": a.type.value,
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"exif": a.exifInfo?.toJson(),
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"fav": a.isFavorite,
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"evp": a.encodedVideoPath,
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"mim": a.mimeType,
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"rsp": a.resizePath,
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"wbp": a.webpPath,
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};
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}
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AssetResponseDto? _deserialize(CacheEntry map) {
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try {
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return AssetResponseDto(
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type: AssetTypeEnum.values
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.firstWhere((element) => element.value == map["typ"]),
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id: map["id"],
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deviceAssetId: map["did"],
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ownerId: map["oid"],
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deviceId: map["dev"],
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originalPath: map["opa"],
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resizePath: map["rsp"],
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createdAt: map["cat"],
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modifiedAt: map["mat"],
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isFavorite: map["fav"],
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mimeType: map["mim"],
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duration: map["dur"],
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webpPath: map["wbp"],
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encodedVideoPath: map["evp"],
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);
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} catch (e) {
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return null;
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}
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}
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}
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@ -16,6 +16,10 @@ class AssetNotifier extends StateNotifier<List<AssetResponseDto>> {
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AssetNotifier(this._assetService, this._assetCacheService) : super([]);
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_cacheState() {
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_assetCacheService.putAssets(state);
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}
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getAllAsset() async {
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if (_assetCacheService.isValid() && state.isEmpty) {
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state = await _assetCacheService.getAssetsAsync();
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@ -25,16 +29,18 @@ class AssetNotifier extends StateNotifier<List<AssetResponseDto>> {
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if (allAssets != null) {
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state = allAssets;
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_assetCacheService.putAssets(allAssets);
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_cacheState();
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}
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}
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clearAllAsset() {
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state = [];
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_cacheState();
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}
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onNewAssetUploaded(AssetResponseDto newAsset) {
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state = [...state, newAsset];
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_cacheState();
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}
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deleteAssets(Set<AssetResponseDto> deleteAssets) async {
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@ -73,6 +79,8 @@ class AssetNotifier extends StateNotifier<List<AssetResponseDto>> {
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state.where((immichAsset) => immichAsset.id != asset.id).toList();
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}
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}
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_cacheState();
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}
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}
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