mirror of
https://github.com/immich-app/immich.git
synced 2024-12-19 00:32:49 +02:00
392 lines
13 KiB
Dart
392 lines
13 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:cancellation_token_http/http.dart';
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import 'package:collection/collection.dart';
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import 'package:flutter/material.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:immich_mobile/modules/backup/models/backup_album.model.dart';
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import 'package:immich_mobile/modules/backup/models/current_upload_asset.model.dart';
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import 'package:immich_mobile/modules/backup/models/duplicated_asset.model.dart';
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import 'package:immich_mobile/modules/backup/models/error_upload_asset.model.dart';
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import 'package:immich_mobile/shared/models/store.dart';
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import 'package:immich_mobile/shared/providers/api.provider.dart';
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import 'package:immich_mobile/shared/providers/db.provider.dart';
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import 'package:immich_mobile/shared/services/api.service.dart';
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import 'package:isar/isar.dart';
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import 'package:logging/logging.dart';
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import 'package:openapi/api.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:photo_manager/photo_manager.dart';
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import 'package:cancellation_token_http/http.dart' as http;
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import 'package:path/path.dart' as p;
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final backupServiceProvider = Provider(
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(ref) => BackupService(
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ref.watch(apiServiceProvider),
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ref.watch(dbProvider),
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),
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);
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class BackupService {
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final httpClient = http.Client();
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final ApiService _apiService;
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final Isar _db;
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final Logger _log = Logger("BackupService");
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BackupService(this._apiService, this._db);
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Future<List<String>?> getDeviceBackupAsset() async {
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final String deviceId = Store.get(StoreKey.deviceId);
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try {
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return await _apiService.assetApi.getUserAssetsByDeviceId(deviceId);
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} catch (e) {
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debugPrint('Error [getDeviceBackupAsset] ${e.toString()}');
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return null;
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}
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}
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Future<void> _saveDuplicatedAssetIds(List<String> deviceAssetIds) {
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final duplicates = deviceAssetIds.map((id) => DuplicatedAsset(id)).toList();
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return _db.writeTxn(() => _db.duplicatedAssets.putAll(duplicates));
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}
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/// Get duplicated asset id from database
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Future<Set<String>> getDuplicatedAssetIds() async {
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final duplicates = await _db.duplicatedAssets.where().findAll();
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return duplicates.map((e) => e.id).toSet();
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}
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QueryBuilder<BackupAlbum, BackupAlbum, QAfterFilterCondition>
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selectedAlbumsQuery() =>
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_db.backupAlbums.filter().selectionEqualTo(BackupSelection.select);
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QueryBuilder<BackupAlbum, BackupAlbum, QAfterFilterCondition>
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excludedAlbumsQuery() =>
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_db.backupAlbums.filter().selectionEqualTo(BackupSelection.exclude);
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/// Returns all assets newer than the last successful backup per album
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Future<List<AssetEntity>> buildUploadCandidates(
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List<BackupAlbum> selectedBackupAlbums,
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List<BackupAlbum> excludedBackupAlbums,
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) async {
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final filter = FilterOptionGroup(
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containsPathModified: true,
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orders: [const OrderOption(type: OrderOptionType.updateDate)],
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// title is needed to create Assets
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imageOption: const FilterOption(needTitle: true),
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videoOption: const FilterOption(needTitle: true),
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);
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final now = DateTime.now();
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final List<AssetPathEntity?> selectedAlbums =
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await _loadAlbumsWithTimeFilter(selectedBackupAlbums, filter, now);
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if (selectedAlbums.every((e) => e == null)) {
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return [];
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}
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final int allIdx = selectedAlbums.indexWhere((e) => e != null && e.isAll);
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if (allIdx != -1) {
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final List<AssetPathEntity?> excludedAlbums =
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await _loadAlbumsWithTimeFilter(excludedBackupAlbums, filter, now);
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final List<AssetEntity> toAdd = await _fetchAssetsAndUpdateLastBackup(
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selectedAlbums.slice(allIdx, allIdx + 1),
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selectedBackupAlbums.slice(allIdx, allIdx + 1),
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now,
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);
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final List<AssetEntity> toRemove = await _fetchAssetsAndUpdateLastBackup(
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excludedAlbums,
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excludedBackupAlbums,
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now,
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);
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return toAdd.toSet().difference(toRemove.toSet()).toList();
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} else {
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return await _fetchAssetsAndUpdateLastBackup(
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selectedAlbums,
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selectedBackupAlbums,
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now,
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);
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}
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}
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Future<List<AssetPathEntity?>> _loadAlbumsWithTimeFilter(
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List<BackupAlbum> albums,
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FilterOptionGroup filter,
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DateTime now,
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) async {
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List<AssetPathEntity?> result = [];
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for (BackupAlbum a in albums) {
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try {
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final AssetPathEntity album =
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await AssetPathEntity.obtainPathFromProperties(
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id: a.id,
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optionGroup: filter.copyWith(
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updateTimeCond: DateTimeCond(
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// subtract 2 seconds to prevent missing assets due to rounding issues
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min: a.lastBackup.subtract(const Duration(seconds: 2)),
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max: now,
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),
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),
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maxDateTimeToNow: false,
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);
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result.add(album);
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} on StateError {
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// either there are no assets matching the filter criteria OR the album no longer exists
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}
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}
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return result;
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}
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Future<List<AssetEntity>> _fetchAssetsAndUpdateLastBackup(
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List<AssetPathEntity?> albums,
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List<BackupAlbum> backupAlbums,
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DateTime now,
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) async {
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List<AssetEntity> result = [];
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for (int i = 0; i < albums.length; i++) {
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final AssetPathEntity? a = albums[i];
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if (a != null &&
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a.lastModified?.isBefore(backupAlbums[i].lastBackup) != true) {
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result.addAll(
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await a.getAssetListRange(start: 0, end: await a.assetCountAsync),
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);
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backupAlbums[i].lastBackup = now;
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}
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}
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return result;
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}
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/// Returns a new list of assets not yet uploaded
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Future<List<AssetEntity>> removeAlreadyUploadedAssets(
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List<AssetEntity> candidates,
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) async {
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if (candidates.isEmpty) {
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return candidates;
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}
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final Set<String> duplicatedAssetIds = await getDuplicatedAssetIds();
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candidates = duplicatedAssetIds.isEmpty
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? candidates
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: candidates
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.whereNot((asset) => duplicatedAssetIds.contains(asset.id))
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.toList();
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if (candidates.isEmpty) {
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return candidates;
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}
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final Set<String> existing = {};
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try {
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final String deviceId = Store.get(StoreKey.deviceId);
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final CheckExistingAssetsResponseDto? duplicates =
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await _apiService.assetApi.checkExistingAssets(
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CheckExistingAssetsDto(
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deviceAssetIds: candidates.map((e) => e.id).toList(),
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deviceId: deviceId,
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),
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);
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if (duplicates != null) {
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existing.addAll(duplicates.existingIds);
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}
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} on ApiException {
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// workaround for older server versions or when checking for too many assets at once
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final List<String>? allAssetsInDatabase = await getDeviceBackupAsset();
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if (allAssetsInDatabase != null) {
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existing.addAll(allAssetsInDatabase);
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}
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}
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return existing.isEmpty
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? candidates
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: candidates.whereNot((e) => existing.contains(e.id)).toList();
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}
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Future<bool> backupAsset(
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Iterable<AssetEntity> assetList,
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http.CancellationToken cancelToken,
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Function(String, String, bool) uploadSuccessCb,
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Function(int, int) uploadProgressCb,
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Function(CurrentUploadAsset) setCurrentUploadAssetCb,
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Function(ErrorUploadAsset) errorCb,
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) async {
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if (Platform.isAndroid &&
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!(await Permission.accessMediaLocation.status).isGranted) {
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// double check that permission is granted here, to guard against
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// uploading corrupt assets without EXIF information
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_log.warning("Media location permission is not granted. "
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"Cannot access original assets for backup.");
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return false;
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}
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final String deviceId = Store.get(StoreKey.deviceId);
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final String savedEndpoint = Store.get(StoreKey.serverEndpoint);
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File? file;
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bool anyErrors = false;
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final List<String> duplicatedAssetIds = [];
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for (var entity in assetList) {
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try {
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if (entity.type == AssetType.video) {
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file = await entity.originFile;
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} else {
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file = await entity.originFile.timeout(const Duration(seconds: 5));
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}
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if (file != null) {
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String originalFileName = await entity.titleAsync;
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var fileStream = file.openRead();
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var assetRawUploadData = http.MultipartFile(
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"assetData",
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fileStream,
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file.lengthSync(),
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filename: originalFileName,
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);
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var req = MultipartRequest(
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'POST',
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Uri.parse('$savedEndpoint/asset/upload'),
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onProgress: ((bytes, totalBytes) =>
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uploadProgressCb(bytes, totalBytes)),
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);
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req.headers["Authorization"] =
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"Bearer ${Store.get(StoreKey.accessToken)}";
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req.headers["Transfer-Encoding"] = "chunked";
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req.fields['deviceAssetId'] = entity.id;
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req.fields['deviceId'] = deviceId;
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req.fields['fileCreatedAt'] = entity.createDateTime.toUtc().toIso8601String();
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req.fields['fileModifiedAt'] =
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entity.modifiedDateTime.toUtc().toIso8601String();
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req.fields['isFavorite'] = entity.isFavorite.toString();
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req.fields['duration'] = entity.videoDuration.toString();
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req.files.add(assetRawUploadData);
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if (entity.isLivePhoto) {
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var livePhotoRawUploadData = await _getLivePhotoFile(entity);
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if (livePhotoRawUploadData != null) {
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req.files.add(livePhotoRawUploadData);
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}
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}
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setCurrentUploadAssetCb(
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CurrentUploadAsset(
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id: entity.id,
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fileCreatedAt: entity.createDateTime.year == 1970
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? entity.modifiedDateTime
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: entity.createDateTime,
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fileName: originalFileName,
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fileType: _getAssetType(entity.type),
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),
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);
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var response =
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await httpClient.send(req, cancellationToken: cancelToken);
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if (response.statusCode == 200) {
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// asset is a duplicate (already exists on the server)
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duplicatedAssetIds.add(entity.id);
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uploadSuccessCb(entity.id, deviceId, true);
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} else if (response.statusCode == 201) {
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// stored a new asset on the server
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uploadSuccessCb(entity.id, deviceId, false);
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} else {
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var data = await response.stream.bytesToString();
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var error = jsonDecode(data);
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debugPrint(
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"Error(${error['statusCode']}) uploading ${entity.id} | $originalFileName | Created on ${entity.createDateTime} | ${error['error']}",
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);
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errorCb(
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ErrorUploadAsset(
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asset: entity,
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id: entity.id,
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fileCreatedAt: entity.createDateTime,
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fileName: originalFileName,
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fileType: _getAssetType(entity.type),
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errorMessage: error['error'],
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),
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);
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continue;
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}
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}
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} on http.CancelledException {
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debugPrint("Backup was cancelled by the user");
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anyErrors = true;
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break;
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} catch (e) {
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debugPrint("ERROR backupAsset: ${e.toString()}");
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anyErrors = true;
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continue;
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} finally {
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if (Platform.isIOS) {
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file?.deleteSync();
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}
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}
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}
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if (duplicatedAssetIds.isNotEmpty) {
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await _saveDuplicatedAssetIds(duplicatedAssetIds);
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}
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return !anyErrors;
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}
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Future<MultipartFile?> _getLivePhotoFile(AssetEntity entity) async {
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var motionFilePath = await entity.getMediaUrl();
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if (motionFilePath != null) {
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var validPath = motionFilePath.replaceAll('file://', '');
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var motionFile = File(validPath);
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var fileStream = motionFile.openRead();
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String fileName = p.basename(motionFile.path);
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return http.MultipartFile(
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"livePhotoData",
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fileStream,
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motionFile.lengthSync(),
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filename: fileName,
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);
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}
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return null;
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}
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String _getAssetType(AssetType assetType) {
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switch (assetType) {
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case AssetType.audio:
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return "AUDIO";
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case AssetType.image:
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return "IMAGE";
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case AssetType.video:
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return "VIDEO";
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case AssetType.other:
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return "OTHER";
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}
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}
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}
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class MultipartRequest extends http.MultipartRequest {
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/// Creates a new [MultipartRequest].
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MultipartRequest(
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String method,
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Uri url, {
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required this.onProgress,
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}) : super(method, url);
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final void Function(int bytes, int totalBytes) onProgress;
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/// Freezes all mutable fields and returns a
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/// single-subscription [http.ByteStream]
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/// that will emit the request body.
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@override
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http.ByteStream finalize() {
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final byteStream = super.finalize();
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final total = contentLength;
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var bytes = 0;
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final t = StreamTransformer.fromHandlers(
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handleData: (List<int> data, EventSink<List<int>> sink) {
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bytes += data.length;
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onProgress.call(bytes, total);
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sink.add(data);
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},
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);
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final stream = byteStream.transform(t);
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return http.ByteStream(stream);
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}
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}
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