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feat(mobile): efficient asset sync (#3945)

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* feat(mobile): efficient asset sync
This commit is contained in:
Fynn Petersen-Frey 2023-09-10 14:51:18 +02:00 • committed by GitHub
parent 4b11e925d9
commit 5d1011b482
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15 changed files with 379 additions and 257 deletions
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43
mobile/lib/shared/services/asset.service.dart
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@ -3,7 +3,6 @@ import 'dart:async';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/shared/models/asset.dart';
import 'package:immich_mobile/shared/models/etag.dart';
import 'package:immich_mobile/shared/models/exif_info.dart';
import 'package:immich_mobile/shared/models/store.dart';
import 'package:immich_mobile/shared/models/user.dart';
@ -11,7 +10,6 @@ import 'package:immich_mobile/shared/providers/api.provider.dart';
import 'package:immich_mobile/shared/providers/db.provider.dart';
import 'package:immich_mobile/shared/services/api.service.dart';
import 'package:immich_mobile/shared/services/sync.service.dart';
import 'package:immich_mobile/utils/openapi_extensions.dart';
import 'package:isar/isar.dart';
import 'package:logging/logging.dart';
import 'package:openapi/api.dart';
@ -39,37 +37,34 @@ class AssetService {
/// Checks the server for updated assets and updates the local database if
/// required. Returns `true` if there were any changes.
Future<bool> refreshRemoteAssets([User? user]) async {
user ??= Store.get(StoreKey.currentUser);
user ??= Store.get<User>(StoreKey.currentUser);
final Stopwatch sw = Stopwatch()..start();
final int numOwnedRemoteAssets = await _db.assets
.where()
.remoteIdIsNotNull()
.filter()
.ownerIdEqualTo(user!.isarId)
.count();
final bool changes = await _syncService.syncRemoteAssetsToDb(
user,
() async => (await _getRemoteAssets(
hasCache: numOwnedRemoteAssets > 0,
user: user!,
)),
_getRemoteAssetChanges,
_getRemoteAssets,
);
debugPrint("refreshRemoteAssets full took ${sw.elapsedMilliseconds}ms");
return changes;
}
/// Returns `(null, null)` if changes are invalid -> requires full sync
Future<(List<Asset>? toUpsert, List<String>? toDelete)>
_getRemoteAssetChanges(User user, DateTime since) async {
final deleted = await _apiService.auditApi
.getAuditDeletes(EntityType.ASSET, since, userId: user.id);
if (deleted == null || deleted.needsFullSync) return (null, null);
final assetDto = await _apiService.assetApi
.getAllAssets(userId: user.id, updatedAfter: since);
if (assetDto == null) return (null, null);
return (assetDto.map(Asset.remote).toList(), deleted.ids);
}
/// Returns `null` if the server state did not change, else list of assets
Future<List<Asset>?> _getRemoteAssets({
required bool hasCache,
required User user,
}) async {
Future<List<Asset>?> _getRemoteAssets(User user) async {
try {
final etag = hasCache ? _db.eTags.getByIdSync(user.id)?.value : null;
final (List<AssetResponseDto>? assets, String? newETag) =
await _apiService.assetApi.getAllAssetsWithETag(
eTag: etag,
userId: user.id,
);
final List<AssetResponseDto>? assets =
await _apiService.assetApi.getAllAssets(userId: user.id);
if (assets == null) {
return null;
} else if (assets.isNotEmpty && assets.first.ownerId != user.id) {
@ -77,8 +72,6 @@ class AssetService {
" The server returned assets for user ${assets.first.ownerId}"
" while requesting assets of user ${user.id}");
return null;
} else if (newETag != etag) {
_db.writeTxn(() => _db.eTags.put(ETag(id: user.id, value: newETag)));
}
return assets.map(Asset.remote).toList();
} catch (error, stack) {