139 lines
4.3 KiB
Dart
139 lines
4.3 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:logging/logging.dart';
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import 'package:photos/core/configuration.dart';
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import 'package:photos/core/network.dart';
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import 'package:photos/db/files_db.dart';
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import 'package:photos/db/ignore_files_db.dart';
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import 'package:photos/db/trash_db.dart';
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import 'package:photos/models/ignored_file.dart';
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import 'package:photos/models/trash_file.dart';
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import 'package:photos/models/trash_item_request.dart';
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import 'package:photos/utils/trash_diff_fetcher.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class TrashSyncService {
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final _logger = Logger("TrashSyncService");
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final _diffFetcher = TrashDiffFetcher();
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final _filesDB = FilesDB.instance;
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final _trashDB = TrashDB.instance;
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static const kDiffLimit = 2500;
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static const kLastTrashSyncTime = "last_trash_sync_timex";
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SharedPreferences _prefs;
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TrashSyncService._privateConstructor();
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static final TrashSyncService instance =
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TrashSyncService._privateConstructor();
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final _dio = Network.instance.getDio();
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Future<void> init() async {
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_prefs = await SharedPreferences.getInstance();
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}
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Future<void> syncTrash() async {
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final lastSyncTime = getSyncTime();
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_logger.fine('sync trash sinceTime : $lastSyncTime');
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var diff = await _diffFetcher.getTrashFilesDiff(lastSyncTime, kDiffLimit);
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if (diff.trashedFiles.isNotEmpty) {
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_logger.fine("inserting ${diff.trashedFiles.length} items in trash");
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await _trashDB.insertMultiple(diff.trashedFiles);
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}
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if (diff.deletedFiles.isNotEmpty) {
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_logger.fine("discard ${diff.deletedFiles.length} deleted items");
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await _trashDB
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.delete(diff.deletedFiles.map((e) => e.uploadedFileID).toList());
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}
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if (diff.restoredFiles.isNotEmpty) {
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_logger.fine("discard ${diff.restoredFiles.length} restored items");
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await _trashDB
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.delete(diff.restoredFiles.map((e) => e.uploadedFileID).toList());
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}
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await _updateIgnoredFiles(diff);
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if (diff.lastSyncedTimeStamp != 0) {
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await setSyncTime(diff.lastSyncedTimeStamp);
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}
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if (diff.fetchCount == kDiffLimit) {
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return await syncTrash();
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}
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}
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Future<void> _updateIgnoredFiles(Diff diff) async {
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final ignoredFiles = <IgnoredFile>[];
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for (TrashFile t in diff.trashedFiles) {
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final file = IgnoredFile.fromTrashItem(t);
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if (file != null) {
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ignoredFiles.add(file);
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}
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}
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for (TrashFile t in diff.deletedFiles) {
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final file = IgnoredFile.fromTrashItem(t);
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if (file != null) {
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ignoredFiles.add(file);
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}
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}
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if (ignoredFiles.isNotEmpty) {
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_logger.fine('updating ${ignoredFiles.length} ignored files ');
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await IgnoreFilesDB.instance.insertMultiple(ignoredFiles);
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}
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}
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Future<void> setSyncTime(int time) async {
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if (time == null) {
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return _prefs.remove(kLastTrashSyncTime);
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}
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return _prefs.setInt(kLastTrashSyncTime, time);
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}
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int getSyncTime() {
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return _prefs.getInt(kLastTrashSyncTime) ?? 0;
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}
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Future<void> trashFilesOnServer(List<TrashRequest> trashRequestItems) async {
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final params = <String, dynamic>{};
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final includedFileIDs = <int>{};
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params["items"] = [];
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for (final item in trashRequestItems) {
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if (!includedFileIDs.contains(item.fileID)) {
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params["items"].add(item.toJson());
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includedFileIDs.add(item.fileID);
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}
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}
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return await _dio.post(
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Configuration.instance.getHttpEndpoint() + "/files/trash",
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options: Options(
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headers: {
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"X-Auth-Token": Configuration.instance.getToken(),
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},
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),
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data: params,
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);
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}
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Future<void> deleteFromTrash(List<TrashFile> trashedFiles) async {
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final params = <String, dynamic>{};
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final uniqueFileIds =
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trashedFiles.map((e) => e.uploadedFileID).toSet().toList();
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params["fileIDs"] = [];
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for (final fileID in uniqueFileIds) {
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params["fileIDs"].add(fileID);
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}
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try {
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await _dio.post(
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Configuration.instance.getHttpEndpoint() + "/trash/delete",
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options: Options(
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headers: {
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"X-Auth-Token": Configuration.instance.getToken(),
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},
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),
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data: params,
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);
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_trashDB.delete(uniqueFileIds);
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} catch (e, s) {
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_logger.severe("failed to delete from trash", e, s);
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rethrow;
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}
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}
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}
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