LCOV - code coverage report
Current view: top level - lib/src/database - matrix_sdk_database.dart (source / functions) Hit Total Coverage
Test: merged.info Lines: 558 707 78.9 %
Date: 2024-07-12 20:20:16 Functions: 0 0 -

          Line data    Source code
       1             : /*
       2             :  *   Famedly Matrix SDK
       3             :  *   Copyright (C) 2019, 2020, 2021 Famedly GmbH
       4             :  *
       5             :  *   This program is free software: you can redistribute it and/or modify
       6             :  *   it under the terms of the GNU Affero General Public License as
       7             :  *   published by the Free Software Foundation, either version 3 of the
       8             :  *   License, or (at your option) any later version.
       9             :  *
      10             :  *   This program is distributed in the hope that it will be useful,
      11             :  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             :  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      13             :  *   GNU Affero General Public License for more details.
      14             :  *
      15             :  *   You should have received a copy of the GNU Affero General Public License
      16             :  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
      17             :  */
      18             : 
      19             : import 'dart:async';
      20             : import 'dart:convert';
      21             : import 'dart:math';
      22             : 
      23             : import 'package:sqflite_common/sqflite.dart';
      24             : 
      25             : import 'package:matrix/encryption/utils/olm_session.dart';
      26             : import 'package:matrix/encryption/utils/outbound_group_session.dart';
      27             : import 'package:matrix/encryption/utils/ssss_cache.dart';
      28             : import 'package:matrix/encryption/utils/stored_inbound_group_session.dart';
      29             : import 'package:matrix/matrix.dart';
      30             : import 'package:matrix/src/utils/copy_map.dart';
      31             : import 'package:matrix/src/utils/queued_to_device_event.dart';
      32             : import 'package:matrix/src/utils/run_benchmarked.dart';
      33             : 
      34             : import 'package:matrix/src/database/indexeddb_box.dart'
      35             :     if (dart.library.io) 'package:matrix/src/database/sqflite_box.dart';
      36             : 
      37             : import 'package:matrix/src/database/database_file_storage_stub.dart'
      38             :     if (dart.library.io) 'package:matrix/src/database/database_file_storage_io.dart';
      39             : 
      40             : /// Database based on SQlite3 on native and IndexedDB on web. For native you
      41             : /// have to pass a `Database` object, which can be created with the sqflite
      42             : /// package like this:
      43             : /// ```dart
      44             : /// final database = await openDatabase('path/to/your/database');
      45             : /// ```
      46             : ///
      47             : /// **WARNING**: For android it seems like that the CursorWindow is too small for
      48             : /// large amounts of data if you are using SQFlite. Consider using a different
      49             : ///  package to open the database like
      50             : /// [sqflite_sqlcipher](https://pub.dev/packages/sqflite_sqlcipher) or
      51             : /// [sqflite_common_ffi](https://pub.dev/packages/sqflite_common_ffi).
      52             : /// Learn more at:
      53             : /// https://github.com/famedly/matrix-dart-sdk/issues/1642#issuecomment-1865827227
      54             : class MatrixSdkDatabase extends DatabaseApi with DatabaseFileStorage {
      55             :   static const int version = 8;
      56             :   final String name;
      57             :   late BoxCollection _collection;
      58             :   late Box<String> _clientBox;
      59             :   late Box<Map> _accountDataBox;
      60             :   late Box<Map> _roomsBox;
      61             :   late Box<Map> _toDeviceQueueBox;
      62             : 
      63             :   /// Key is a tuple as TupleKey(roomId, type) where stateKey can be
      64             :   /// an empty string. Must contain only states of type
      65             :   /// client.importantRoomStates.
      66             :   late Box<Map> _preloadRoomStateBox;
      67             : 
      68             :   /// Key is a tuple as TupleKey(roomId, type) where stateKey can be
      69             :   /// an empty string. Must NOT contain states of a type from
      70             :   /// client.importantRoomStates.
      71             :   late Box<Map> _nonPreloadRoomStateBox;
      72             : 
      73             :   /// Key is a tuple as TupleKey(roomId, userId)
      74             :   late Box<Map> _roomMembersBox;
      75             : 
      76             :   /// Key is a tuple as TupleKey(roomId, type)
      77             :   late Box<Map> _roomAccountDataBox;
      78             :   late Box<Map> _inboundGroupSessionsBox;
      79             :   late Box<String> _inboundGroupSessionsUploadQueueBox;
      80             :   late Box<Map> _outboundGroupSessionsBox;
      81             :   late Box<Map> _olmSessionsBox;
      82             : 
      83             :   /// Key is a tuple as TupleKey(userId, deviceId)
      84             :   late Box<Map> _userDeviceKeysBox;
      85             : 
      86             :   /// Key is the user ID as a String
      87             :   late Box<bool> _userDeviceKeysOutdatedBox;
      88             : 
      89             :   /// Key is a tuple as TupleKey(userId, publicKey)
      90             :   late Box<Map> _userCrossSigningKeysBox;
      91             :   late Box<Map> _ssssCacheBox;
      92             :   late Box<Map> _presencesBox;
      93             : 
      94             :   /// Key is a tuple as Multikey(roomId, fragmentId) while the default
      95             :   /// fragmentId is an empty String
      96             :   late Box<List> _timelineFragmentsBox;
      97             : 
      98             :   /// Key is a tuple as TupleKey(roomId, eventId)
      99             :   late Box<Map> _eventsBox;
     100             : 
     101             :   /// Key is a tuple as TupleKey(userId, deviceId)
     102             :   late Box<String> _seenDeviceIdsBox;
     103             : 
     104             :   late Box<String> _seenDeviceKeysBox;
     105             : 
     106             :   @override
     107             :   final int maxFileSize;
     108             : 
     109             :   // there was a field of type `dart:io:Directory` here. This one broke the
     110             :   // dart js standalone compiler. Migration via URI as file system identifier.
     111           0 :   @Deprecated(
     112             :       'Breaks support for web standalone. Use [fileStorageLocation] instead.')
     113           0 :   Object? get fileStoragePath => fileStorageLocation?.toFilePath();
     114             : 
     115             :   static const String _clientBoxName = 'box_client';
     116             : 
     117             :   static const String _accountDataBoxName = 'box_account_data';
     118             : 
     119             :   static const String _roomsBoxName = 'box_rooms';
     120             : 
     121             :   static const String _toDeviceQueueBoxName = 'box_to_device_queue';
     122             : 
     123             :   static const String _preloadRoomStateBoxName = 'box_preload_room_states';
     124             : 
     125             :   static const String _nonPreloadRoomStateBoxName =
     126             :       'box_non_preload_room_states';
     127             : 
     128             :   static const String _roomMembersBoxName = 'box_room_members';
     129             : 
     130             :   static const String _roomAccountDataBoxName = 'box_room_account_data';
     131             : 
     132             :   static const String _inboundGroupSessionsBoxName =
     133             :       'box_inbound_group_session';
     134             : 
     135             :   static const String _inboundGroupSessionsUploadQueueBoxName =
     136             :       'box_inbound_group_sessions_upload_queue';
     137             : 
     138             :   static const String _outboundGroupSessionsBoxName =
     139             :       'box_outbound_group_session';
     140             : 
     141             :   static const String _olmSessionsBoxName = 'box_olm_session';
     142             : 
     143             :   static const String _userDeviceKeysBoxName = 'box_user_device_keys';
     144             : 
     145             :   static const String _userDeviceKeysOutdatedBoxName =
     146             :       'box_user_device_keys_outdated';
     147             : 
     148             :   static const String _userCrossSigningKeysBoxName = 'box_cross_signing_keys';
     149             : 
     150             :   static const String _ssssCacheBoxName = 'box_ssss_cache';
     151             : 
     152             :   static const String _presencesBoxName = 'box_presences';
     153             : 
     154             :   static const String _timelineFragmentsBoxName = 'box_timeline_fragments';
     155             : 
     156             :   static const String _eventsBoxName = 'box_events';
     157             : 
     158             :   static const String _seenDeviceIdsBoxName = 'box_seen_device_ids';
     159             : 
     160             :   static const String _seenDeviceKeysBoxName = 'box_seen_device_keys';
     161             : 
     162             :   Database? database;
     163             : 
     164             :   /// Custom IdbFactory used to create the indexedDB. On IO platforms it would
     165             :   /// lead to an error to import "dart:indexed_db" so this is dynamically
     166             :   /// typed.
     167             :   final dynamic idbFactory;
     168             : 
     169             :   /// Custom SQFlite Database Factory used for high level operations on IO
     170             :   /// like delete. Set it if you want to use sqlite FFI.
     171             :   final DatabaseFactory? sqfliteFactory;
     172             : 
     173          32 :   MatrixSdkDatabase(
     174             :     this.name, {
     175             :     this.database,
     176             :     this.idbFactory,
     177             :     this.sqfliteFactory,
     178             :     this.maxFileSize = 0,
     179             :     // TODO : remove deprecated member migration on next major release
     180             :     @Deprecated(
     181             :         'Breaks support for web standalone. Use [fileStorageLocation] instead.')
     182             :     dynamic fileStoragePath,
     183             :     Uri? fileStorageLocation,
     184             :     Duration? deleteFilesAfterDuration,
     185             :   }) {
     186           0 :     final legacyPath = fileStoragePath?.path;
     187          32 :     this.fileStorageLocation = fileStorageLocation ??
     188          32 :         (legacyPath is String ? Uri.tryParse(legacyPath) : null);
     189          32 :     this.deleteFilesAfterDuration = deleteFilesAfterDuration;
     190             :   }
     191             : 
     192          32 :   Future<void> open() async {
     193          64 :     _collection = await BoxCollection.open(
     194          32 :       name,
     195             :       {
     196          32 :         _clientBoxName,
     197          32 :         _accountDataBoxName,
     198          32 :         _roomsBoxName,
     199          32 :         _toDeviceQueueBoxName,
     200          32 :         _preloadRoomStateBoxName,
     201          32 :         _nonPreloadRoomStateBoxName,
     202          32 :         _roomMembersBoxName,
     203          32 :         _roomAccountDataBoxName,
     204          32 :         _inboundGroupSessionsBoxName,
     205          32 :         _inboundGroupSessionsUploadQueueBoxName,
     206          32 :         _outboundGroupSessionsBoxName,
     207          32 :         _olmSessionsBoxName,
     208          32 :         _userDeviceKeysBoxName,
     209          32 :         _userDeviceKeysOutdatedBoxName,
     210          32 :         _userCrossSigningKeysBoxName,
     211          32 :         _ssssCacheBoxName,
     212          32 :         _presencesBoxName,
     213          32 :         _timelineFragmentsBoxName,
     214          32 :         _eventsBoxName,
     215          32 :         _seenDeviceIdsBoxName,
     216          32 :         _seenDeviceKeysBoxName,
     217             :       },
     218          32 :       sqfliteDatabase: database,
     219          32 :       sqfliteFactory: sqfliteFactory,
     220          32 :       idbFactory: idbFactory,
     221             :       version: version,
     222             :     );
     223          96 :     _clientBox = _collection.openBox<String>(
     224             :       _clientBoxName,
     225             :     );
     226          96 :     _accountDataBox = _collection.openBox<Map>(
     227             :       _accountDataBoxName,
     228             :     );
     229          96 :     _roomsBox = _collection.openBox<Map>(
     230             :       _roomsBoxName,
     231             :     );
     232          96 :     _preloadRoomStateBox = _collection.openBox(
     233             :       _preloadRoomStateBoxName,
     234             :     );
     235          96 :     _nonPreloadRoomStateBox = _collection.openBox(
     236             :       _nonPreloadRoomStateBoxName,
     237             :     );
     238          96 :     _roomMembersBox = _collection.openBox(
     239             :       _roomMembersBoxName,
     240             :     );
     241          96 :     _toDeviceQueueBox = _collection.openBox(
     242             :       _toDeviceQueueBoxName,
     243             :     );
     244          96 :     _roomAccountDataBox = _collection.openBox(
     245             :       _roomAccountDataBoxName,
     246             :     );
     247          96 :     _inboundGroupSessionsBox = _collection.openBox(
     248             :       _inboundGroupSessionsBoxName,
     249             :     );
     250          96 :     _inboundGroupSessionsUploadQueueBox = _collection.openBox(
     251             :       _inboundGroupSessionsUploadQueueBoxName,
     252             :     );
     253          96 :     _outboundGroupSessionsBox = _collection.openBox(
     254             :       _outboundGroupSessionsBoxName,
     255             :     );
     256          96 :     _olmSessionsBox = _collection.openBox(
     257             :       _olmSessionsBoxName,
     258             :     );
     259          96 :     _userDeviceKeysBox = _collection.openBox(
     260             :       _userDeviceKeysBoxName,
     261             :     );
     262          96 :     _userDeviceKeysOutdatedBox = _collection.openBox(
     263             :       _userDeviceKeysOutdatedBoxName,
     264             :     );
     265          96 :     _userCrossSigningKeysBox = _collection.openBox(
     266             :       _userCrossSigningKeysBoxName,
     267             :     );
     268          96 :     _ssssCacheBox = _collection.openBox(
     269             :       _ssssCacheBoxName,
     270             :     );
     271          96 :     _presencesBox = _collection.openBox(
     272             :       _presencesBoxName,
     273             :     );
     274          96 :     _timelineFragmentsBox = _collection.openBox(
     275             :       _timelineFragmentsBoxName,
     276             :     );
     277          96 :     _eventsBox = _collection.openBox(
     278             :       _eventsBoxName,
     279             :     );
     280          96 :     _seenDeviceIdsBox = _collection.openBox(
     281             :       _seenDeviceIdsBoxName,
     282             :     );
     283          96 :     _seenDeviceKeysBox = _collection.openBox(
     284             :       _seenDeviceKeysBoxName,
     285             :     );
     286             : 
     287             :     // Check version and check if we need a migration
     288          96 :     final currentVersion = int.tryParse(await _clientBox.get('version') ?? '');
     289             :     if (currentVersion == null) {
     290          96 :       await _clientBox.put('version', version.toString());
     291           0 :     } else if (currentVersion != version) {
     292           0 :       await _migrateFromVersion(currentVersion);
     293             :     }
     294             : 
     295             :     return;
     296             :   }
     297             : 
     298           0 :   Future<void> _migrateFromVersion(int currentVersion) async {
     299           0 :     Logs().i('Migrate store database from version $currentVersion to $version');
     300             : 
     301           0 :     if (version == 8) {
     302             :       // Migrate to inbound group sessions upload queue:
     303           0 :       final allInboundGroupSessions = await getAllInboundGroupSessions();
     304             :       final sessionsToUpload = allInboundGroupSessions
     305             :           // ignore: deprecated_member_use_from_same_package
     306           0 :           .where((session) => session.uploaded == false)
     307           0 :           .toList();
     308           0 :       Logs().i(
     309           0 :           'Move ${allInboundGroupSessions.length} inbound group sessions to upload to their own queue...');
     310           0 :       await transaction(() async {
     311           0 :         for (final session in sessionsToUpload) {
     312           0 :           await _inboundGroupSessionsUploadQueueBox.put(
     313           0 :             session.sessionId,
     314           0 :             session.roomId,
     315             :           );
     316             :         }
     317             :       });
     318           0 :       if (currentVersion == 7) {
     319           0 :         await _clientBox.put('version', version.toString());
     320             :         return;
     321             :       }
     322             :     }
     323             :     // The default version upgrade:
     324           0 :     await clearCache();
     325           0 :     await _clientBox.put('version', version.toString());
     326             :   }
     327             : 
     328           8 :   @override
     329          16 :   Future<void> clear() => _collection.clear();
     330             : 
     331           3 :   @override
     332           6 :   Future<void> clearCache() => transaction(() async {
     333           6 :         await _roomsBox.clear();
     334           6 :         await _accountDataBox.clear();
     335           6 :         await _roomAccountDataBox.clear();
     336           6 :         await _preloadRoomStateBox.clear();
     337           6 :         await _nonPreloadRoomStateBox.clear();
     338           6 :         await _roomMembersBox.clear();
     339           6 :         await _eventsBox.clear();
     340           6 :         await _timelineFragmentsBox.clear();
     341           6 :         await _outboundGroupSessionsBox.clear();
     342           6 :         await _presencesBox.clear();
     343           6 :         await _clientBox.delete('prev_batch');
     344             :       });
     345             : 
     346           4 :   @override
     347           8 :   Future<void> clearSSSSCache() => _ssssCacheBox.clear();
     348             : 
     349          20 :   @override
     350          40 :   Future<void> close() async => _collection.close();
     351             : 
     352           2 :   @override
     353             :   Future<void> deleteFromToDeviceQueue(int id) async {
     354           6 :     await _toDeviceQueueBox.delete(id.toString());
     355             :     return;
     356             :   }
     357             : 
     358          30 :   @override
     359             :   Future<void> forgetRoom(String roomId) async {
     360         120 :     await _timelineFragmentsBox.delete(TupleKey(roomId, '').toString());
     361          60 :     final eventsBoxKeys = await _eventsBox.getAllKeys();
     362          30 :     for (final key in eventsBoxKeys) {
     363           0 :       final multiKey = TupleKey.fromString(key);
     364           0 :       if (multiKey.parts.first != roomId) continue;
     365           0 :       await _eventsBox.delete(key);
     366             :     }
     367          60 :     final preloadRoomStateBoxKeys = await _preloadRoomStateBox.getAllKeys();
     368          30 :     for (final key in preloadRoomStateBoxKeys) {
     369           0 :       final multiKey = TupleKey.fromString(key);
     370           0 :       if (multiKey.parts.first != roomId) continue;
     371           0 :       await _preloadRoomStateBox.delete(key);
     372             :     }
     373             :     final nonPreloadRoomStateBoxKeys =
     374          60 :         await _nonPreloadRoomStateBox.getAllKeys();
     375          30 :     for (final key in nonPreloadRoomStateBoxKeys) {
     376           0 :       final multiKey = TupleKey.fromString(key);
     377           0 :       if (multiKey.parts.first != roomId) continue;
     378           0 :       await _nonPreloadRoomStateBox.delete(key);
     379             :     }
     380          60 :     final roomMembersBoxKeys = await _roomMembersBox.getAllKeys();
     381          30 :     for (final key in roomMembersBoxKeys) {
     382           0 :       final multiKey = TupleKey.fromString(key);
     383           0 :       if (multiKey.parts.first != roomId) continue;
     384           0 :       await _roomMembersBox.delete(key);
     385             :     }
     386          60 :     final roomAccountDataBoxKeys = await _roomAccountDataBox.getAllKeys();
     387          30 :     for (final key in roomAccountDataBoxKeys) {
     388           0 :       final multiKey = TupleKey.fromString(key);
     389           0 :       if (multiKey.parts.first != roomId) continue;
     390           0 :       await _roomAccountDataBox.delete(key);
     391             :     }
     392          60 :     await _roomsBox.delete(roomId);
     393             :   }
     394             : 
     395          30 :   @override
     396             :   Future<Map<String, BasicEvent>> getAccountData() =>
     397          30 :       runBenchmarked<Map<String, BasicEvent>>('Get all account data from store',
     398          30 :           () async {
     399          30 :         final accountData = <String, BasicEvent>{};
     400          60 :         final raws = await _accountDataBox.getAllValues();
     401          32 :         for (final entry in raws.entries) {
     402           6 :           accountData[entry.key] = BasicEvent(
     403           2 :             type: entry.key,
     404           4 :             content: copyMap(entry.value),
     405             :           );
     406             :         }
     407             :         return accountData;
     408             :       });
     409             : 
     410          30 :   @override
     411             :   Future<Map<String, dynamic>?> getClient(String name) =>
     412          60 :       runBenchmarked('Get Client from store', () async {
     413          30 :         final map = <String, dynamic>{};
     414          60 :         final keys = await _clientBox.getAllKeys();
     415          60 :         for (final key in keys) {
     416          30 :           if (key == 'version') continue;
     417           4 :           final value = await _clientBox.get(key);
     418           2 :           if (value != null) map[key] = value;
     419             :         }
     420          30 :         if (map.isEmpty) return null;
     421             :         return map;
     422             :       });
     423             : 
     424           8 :   @override
     425             :   Future<Event?> getEventById(String eventId, Room room) async {
     426          40 :     final raw = await _eventsBox.get(TupleKey(room.id, eventId).toString());
     427             :     if (raw == null) return null;
     428           8 :     return Event.fromJson(copyMap(raw), room);
     429             :   }
     430             : 
     431             :   /// Loads a whole list of events at once from the store for a specific room
     432           6 :   Future<List<Event>> _getEventsByIds(List<String> eventIds, Room room) async {
     433             :     final keys = eventIds
     434           6 :         .map(
     435          12 :           (eventId) => TupleKey(room.id, eventId).toString(),
     436             :         )
     437           6 :         .toList();
     438          12 :     final rawEvents = await _eventsBox.getAll(keys);
     439             :     return rawEvents
     440           6 :         .whereType<Map>()
     441          15 :         .map((rawEvent) => Event.fromJson(copyMap(rawEvent), room))
     442           6 :         .toList();
     443             :   }
     444             : 
     445           6 :   @override
     446             :   Future<List<Event>> getEventList(
     447             :     Room room, {
     448             :     int start = 0,
     449             :     bool onlySending = false,
     450             :     int? limit,
     451             :   }) =>
     452          12 :       runBenchmarked<List<Event>>('Get event list', () async {
     453             :         // Get the synced event IDs from the store
     454          18 :         final timelineKey = TupleKey(room.id, '').toString();
     455             :         final timelineEventIds =
     456          15 :             (await _timelineFragmentsBox.get(timelineKey) ?? []);
     457             : 
     458             :         // Get the local stored SENDING events from the store
     459             :         late final List sendingEventIds;
     460           6 :         if (start != 0) {
     461           2 :           sendingEventIds = [];
     462             :         } else {
     463          18 :           final sendingTimelineKey = TupleKey(room.id, 'SENDING').toString();
     464             :           sendingEventIds =
     465          16 :               (await _timelineFragmentsBox.get(sendingTimelineKey) ?? []);
     466             :         }
     467             : 
     468             :         // Combine those two lists while respecting the start and limit parameters.
     469           9 :         final end = min(timelineEventIds.length,
     470           8 :             start + (limit ?? timelineEventIds.length));
     471           6 :         final eventIds = [
     472             :           ...sendingEventIds,
     473          10 :           if (!onlySending && start < timelineEventIds.length)
     474           3 :             ...timelineEventIds.getRange(start, end),
     475             :         ];
     476             : 
     477          12 :         return await _getEventsByIds(eventIds.cast<String>(), room);
     478             :       });
     479             : 
     480          11 :   @override
     481             :   Future<StoredInboundGroupSession?> getInboundGroupSession(
     482             :     String roomId,
     483             :     String sessionId,
     484             :   ) async {
     485          22 :     final raw = await _inboundGroupSessionsBox.get(sessionId);
     486             :     if (raw == null) return null;
     487          16 :     return StoredInboundGroupSession.fromJson(copyMap(raw));
     488             :   }
     489             : 
     490           6 :   @override
     491             :   Future<List<StoredInboundGroupSession>>
     492             :       getInboundGroupSessionsToUpload() async {
     493             :     final uploadQueue =
     494          12 :         await _inboundGroupSessionsUploadQueueBox.getAllValues();
     495           6 :     final sessionFutures = uploadQueue.entries
     496           6 :         .take(50)
     497          26 :         .map((entry) => getInboundGroupSession(entry.value, entry.key));
     498           6 :     final sessions = await Future.wait(sessionFutures);
     499          12 :     return sessions.whereType<StoredInboundGroupSession>().toList();
     500             :   }
     501             : 
     502           2 :   @override
     503             :   Future<List<String>> getLastSentMessageUserDeviceKey(
     504             :       String userId, String deviceId) async {
     505             :     final raw =
     506           8 :         await _userDeviceKeysBox.get(TupleKey(userId, deviceId).toString());
     507           1 :     if (raw == null) return <String>[];
     508           2 :     return <String>[raw['last_sent_message']];
     509             :   }
     510             : 
     511          24 :   @override
     512             :   Future<void> storeOlmSession(String identityKey, String sessionId,
     513             :       String pickle, int lastReceived) async {
     514          96 :     final rawSessions = copyMap((await _olmSessionsBox.get(identityKey)) ?? {});
     515          48 :     rawSessions[sessionId] = {
     516             :       'identity_key': identityKey,
     517             :       'pickle': pickle,
     518             :       'session_id': sessionId,
     519             :       'last_received': lastReceived,
     520             :     };
     521          48 :     await _olmSessionsBox.put(identityKey, rawSessions);
     522             :     return;
     523             :   }
     524             : 
     525          24 :   @override
     526             :   Future<List<OlmSession>> getOlmSessions(
     527             :       String identityKey, String userId) async {
     528          48 :     final rawSessions = await _olmSessionsBox.get(identityKey);
     529          29 :     if (rawSessions == null || rawSessions.isEmpty) return <OlmSession>[];
     530           5 :     return rawSessions.values
     531          20 :         .map((json) => OlmSession.fromJson(copyMap(json), userId))
     532           5 :         .toList();
     533             :   }
     534             : 
     535           2 :   @override
     536             :   Future<Map<String, Map>> getAllOlmSessions() =>
     537           4 :       _olmSessionsBox.getAllValues();
     538             : 
     539          11 :   @override
     540             :   Future<List<OlmSession>> getOlmSessionsForDevices(
     541             :       List<String> identityKeys, String userId) async {
     542          11 :     final sessions = await Future.wait(
     543          33 :         identityKeys.map((identityKey) => getOlmSessions(identityKey, userId)));
     544          33 :     return <OlmSession>[for (final sublist in sessions) ...sublist];
     545             :   }
     546             : 
     547           4 :   @override
     548             :   Future<OutboundGroupSession?> getOutboundGroupSession(
     549             :       String roomId, String userId) async {
     550           8 :     final raw = await _outboundGroupSessionsBox.get(roomId);
     551             :     if (raw == null) return null;
     552           4 :     return OutboundGroupSession.fromJson(copyMap(raw), userId);
     553             :   }
     554             : 
     555           2 :   @override
     556             :   Future<Room?> getSingleRoom(Client client, String roomId,
     557             :       {bool loadImportantStates = true}) async {
     558             :     // Get raw room from database:
     559           4 :     final roomData = await _roomsBox.get(roomId);
     560             :     if (roomData == null) return null;
     561           4 :     final room = Room.fromJson(copyMap(roomData), client);
     562             : 
     563             :     // Get important states:
     564             :     if (loadImportantStates) {
     565           2 :       final dbKeys = client.importantStateEvents
     566           8 :           .map((state) => TupleKey(roomId, state).toString())
     567           2 :           .toList();
     568           4 :       final rawStates = await _preloadRoomStateBox.getAll(dbKeys);
     569           4 :       for (final rawState in rawStates) {
     570           2 :         if (rawState == null || rawState[''] == null) continue;
     571           8 :         room.setState(Event.fromJson(copyMap(rawState['']), room));
     572             :       }
     573             :     }
     574             : 
     575             :     return room;
     576             :   }
     577             : 
     578          30 :   @override
     579             :   Future<List<Room>> getRoomList(Client client) =>
     580          60 :       runBenchmarked<List<Room>>('Get room list from store', () async {
     581          30 :         final rooms = <String, Room>{};
     582             : 
     583          60 :         final rawRooms = await _roomsBox.getAllValues();
     584             : 
     585          32 :         for (final raw in rawRooms.values) {
     586             :           // Get the room
     587           4 :           final room = Room.fromJson(copyMap(raw), client);
     588             : 
     589             :           // Add to the list and continue.
     590           4 :           rooms[room.id] = room;
     591             :         }
     592             : 
     593          60 :         final roomStatesDataRaws = await _preloadRoomStateBox.getAllValues();
     594          31 :         for (final entry in roomStatesDataRaws.entries) {
     595           2 :           final keys = TupleKey.fromString(entry.key);
     596           2 :           final roomId = keys.parts.first;
     597           1 :           final room = rooms[roomId];
     598             :           if (room == null) {
     599           0 :             Logs().w('Found event in store for unknown room', entry.value);
     600             :             continue;
     601             :           }
     602           1 :           final states = entry.value;
     603           1 :           final stateEvents = states.values
     604           4 :               .map((raw) => room.membership == Membership.invite
     605           2 :                   ? StrippedStateEvent.fromJson(copyMap(raw))
     606           2 :                   : Event.fromJson(copyMap(raw), room))
     607           1 :               .toList();
     608           2 :           for (final state in stateEvents) {
     609           1 :             room.setState(state);
     610             :           }
     611             :         }
     612             : 
     613             :         // Get the room account data
     614          60 :         final roomAccountDataRaws = await _roomAccountDataBox.getAllValues();
     615          31 :         for (final entry in roomAccountDataRaws.entries) {
     616           2 :           final keys = TupleKey.fromString(entry.key);
     617           1 :           final basicRoomEvent = BasicRoomEvent.fromJson(
     618           2 :             copyMap(entry.value),
     619             :           );
     620           2 :           final roomId = keys.parts.first;
     621           1 :           if (rooms.containsKey(roomId)) {
     622           4 :             rooms[roomId]!.roomAccountData[basicRoomEvent.type] =
     623             :                 basicRoomEvent;
     624             :           } else {
     625           0 :             Logs().w(
     626           0 :                 'Found account data for unknown room $roomId. Delete now...');
     627           0 :             await _roomAccountDataBox
     628           0 :                 .delete(TupleKey(roomId, basicRoomEvent.type).toString());
     629             :           }
     630             :         }
     631             : 
     632          60 :         return rooms.values.toList();
     633             :       });
     634             : 
     635          24 :   @override
     636             :   Future<SSSSCache?> getSSSSCache(String type) async {
     637          48 :     final raw = await _ssssCacheBox.get(type);
     638             :     if (raw == null) return null;
     639          16 :     return SSSSCache.fromJson(copyMap(raw));
     640             :   }
     641             : 
     642          30 :   @override
     643             :   Future<List<QueuedToDeviceEvent>> getToDeviceEventQueue() async {
     644          60 :     final raws = await _toDeviceQueueBox.getAllValues();
     645          62 :     final copiedRaws = raws.entries.map((entry) {
     646           4 :       final copiedRaw = copyMap(entry.value);
     647           6 :       copiedRaw['id'] = int.parse(entry.key);
     648           6 :       copiedRaw['content'] = jsonDecode(copiedRaw['content'] as String);
     649             :       return copiedRaw;
     650          30 :     }).toList();
     651          64 :     return copiedRaws.map((raw) => QueuedToDeviceEvent.fromJson(raw)).toList();
     652             :   }
     653             : 
     654           6 :   @override
     655             :   Future<List<Event>> getUnimportantRoomEventStatesForRoom(
     656             :       List<String> events, Room room) async {
     657          21 :     final keys = (await _nonPreloadRoomStateBox.getAllKeys()).where((key) {
     658           3 :       final tuple = TupleKey.fromString(key);
     659          21 :       return tuple.parts.first == room.id && !events.contains(tuple.parts[1]);
     660             :     });
     661             : 
     662           6 :     final unimportantEvents = <Event>[];
     663           9 :     for (final key in keys) {
     664           6 :       final states = await _nonPreloadRoomStateBox.get(key);
     665             :       if (states == null) continue;
     666           3 :       unimportantEvents.addAll(
     667          15 :           states.values.map((raw) => Event.fromJson(copyMap(raw), room)));
     668             :     }
     669             : 
     670          18 :     return unimportantEvents.where((event) => event.stateKey != null).toList();
     671             :   }
     672             : 
     673          30 :   @override
     674             :   Future<User?> getUser(String userId, Room room) async {
     675             :     final state =
     676         150 :         await _roomMembersBox.get(TupleKey(room.id, userId).toString());
     677             :     if (state == null) return null;
     678          87 :     return Event.fromJson(copyMap(state), room).asUser;
     679             :   }
     680             : 
     681          30 :   @override
     682             :   Future<Map<String, DeviceKeysList>> getUserDeviceKeys(Client client) =>
     683          30 :       runBenchmarked<Map<String, DeviceKeysList>>(
     684          30 :           'Get all user device keys from store', () async {
     685             :         final deviceKeysOutdated =
     686          60 :             await _userDeviceKeysOutdatedBox.getAllValues();
     687          30 :         if (deviceKeysOutdated.isEmpty) {
     688          30 :           return {};
     689             :         }
     690           1 :         final res = <String, DeviceKeysList>{};
     691           2 :         final userDeviceKeys = await _userDeviceKeysBox.getAllValues();
     692             :         final userCrossSigningKeys =
     693           2 :             await _userCrossSigningKeysBox.getAllValues();
     694           2 :         for (final userId in deviceKeysOutdated.keys) {
     695           3 :           final deviceKeysBoxKeys = userDeviceKeys.keys.where((tuple) {
     696           1 :             final tupleKey = TupleKey.fromString(tuple);
     697           3 :             return tupleKey.parts.first == userId;
     698             :           });
     699             :           final crossSigningKeysBoxKeys =
     700           3 :               userCrossSigningKeys.keys.where((tuple) {
     701           1 :             final tupleKey = TupleKey.fromString(tuple);
     702           3 :             return tupleKey.parts.first == userId;
     703             :           });
     704           1 :           final childEntries = deviceKeysBoxKeys.map(
     705           1 :             (key) {
     706           1 :               final userDeviceKey = userDeviceKeys[key];
     707             :               if (userDeviceKey == null) return null;
     708           1 :               return copyMap(userDeviceKey);
     709             :             },
     710             :           );
     711           1 :           final crossSigningEntries = crossSigningKeysBoxKeys.map(
     712           1 :             (key) {
     713           1 :               final crossSigningKey = userCrossSigningKeys[key];
     714             :               if (crossSigningKey == null) return null;
     715           1 :               return copyMap(crossSigningKey);
     716             :             },
     717             :           );
     718           2 :           res[userId] = DeviceKeysList.fromDbJson(
     719           1 :               {
     720           1 :                 'client_id': client.id,
     721             :                 'user_id': userId,
     722           1 :                 'outdated': deviceKeysOutdated[userId],
     723             :               },
     724             :               childEntries
     725           2 :                   .where((c) => c != null)
     726           1 :                   .toList()
     727           1 :                   .cast<Map<String, dynamic>>(),
     728             :               crossSigningEntries
     729           2 :                   .where((c) => c != null)
     730           1 :                   .toList()
     731           1 :                   .cast<Map<String, dynamic>>(),
     732             :               client);
     733             :         }
     734             :         return res;
     735             :       });
     736             : 
     737          30 :   @override
     738             :   Future<List<User>> getUsers(Room room) async {
     739          30 :     final users = <User>[];
     740          60 :     final keys = (await _roomMembersBox.getAllKeys())
     741          36 :         .where((key) => TupleKey.fromString(key).parts.first == room.id)
     742          30 :         .toList();
     743          60 :     final states = await _roomMembersBox.getAll(keys);
     744          31 :     states.removeWhere((state) => state == null);
     745          31 :     for (final state in states) {
     746           4 :       users.add(Event.fromJson(copyMap(state!), room).asUser);
     747             :     }
     748             : 
     749             :     return users;
     750             :   }
     751             : 
     752          32 :   @override
     753             :   Future<int> insertClient(
     754             :       String name,
     755             :       String homeserverUrl,
     756             :       String token,
     757             :       DateTime? tokenExpiresAt,
     758             :       String? refreshToken,
     759             :       String userId,
     760             :       String? deviceId,
     761             :       String? deviceName,
     762             :       String? prevBatch,
     763             :       String? olmAccount) async {
     764          64 :     await transaction(() async {
     765          64 :       await _clientBox.put('homeserver_url', homeserverUrl);
     766          64 :       await _clientBox.put('token', token);
     767             :       if (tokenExpiresAt == null) {
     768          62 :         await _clientBox.delete('token_expires_at');
     769             :       } else {
     770           2 :         await _clientBox.put('token_expires_at',
     771           2 :             tokenExpiresAt.millisecondsSinceEpoch.toString());
     772             :       }
     773             :       if (refreshToken == null) {
     774          12 :         await _clientBox.delete('refresh_token');
     775             :       } else {
     776          60 :         await _clientBox.put('refresh_token', refreshToken);
     777             :       }
     778          64 :       await _clientBox.put('user_id', userId);
     779             :       if (deviceId == null) {
     780           4 :         await _clientBox.delete('device_id');
     781             :       } else {
     782          60 :         await _clientBox.put('device_id', deviceId);
     783             :       }
     784             :       if (deviceName == null) {
     785           4 :         await _clientBox.delete('device_name');
     786             :       } else {
     787          60 :         await _clientBox.put('device_name', deviceName);
     788             :       }
     789             :       if (prevBatch == null) {
     790          62 :         await _clientBox.delete('prev_batch');
     791             :       } else {
     792           4 :         await _clientBox.put('prev_batch', prevBatch);
     793             :       }
     794             :       if (olmAccount == null) {
     795          16 :         await _clientBox.delete('olm_account');
     796             :       } else {
     797          48 :         await _clientBox.put('olm_account', olmAccount);
     798             :       }
     799          64 :       await _clientBox.delete('sync_filter_id');
     800             :     });
     801             :     return 0;
     802             :   }
     803             : 
     804           2 :   @override
     805             :   Future<int> insertIntoToDeviceQueue(
     806             :       String type, String txnId, String content) async {
     807           4 :     final id = DateTime.now().millisecondsSinceEpoch;
     808           8 :     await _toDeviceQueueBox.put(id.toString(), {
     809             :       'type': type,
     810             :       'txn_id': txnId,
     811             :       'content': content,
     812             :     });
     813             :     return id;
     814             :   }
     815             : 
     816           5 :   @override
     817             :   Future<void> markInboundGroupSessionAsUploaded(
     818             :       String roomId, String sessionId) async {
     819          10 :     await _inboundGroupSessionsUploadQueueBox.delete(sessionId);
     820             :     return;
     821             :   }
     822             : 
     823           2 :   @override
     824             :   Future<void> markInboundGroupSessionsAsNeedingUpload() async {
     825           4 :     final keys = await _inboundGroupSessionsBox.getAllKeys();
     826           4 :     for (final sessionId in keys) {
     827           2 :       final raw = copyMap(
     828           4 :         await _inboundGroupSessionsBox.get(sessionId) ?? {},
     829             :       );
     830           2 :       if (raw.isEmpty) continue;
     831           2 :       final roomId = raw.tryGet<String>('room_id');
     832             :       if (roomId == null) continue;
     833           4 :       await _inboundGroupSessionsUploadQueueBox.put(sessionId, roomId);
     834             :     }
     835             :     return;
     836             :   }
     837             : 
     838          10 :   @override
     839             :   Future<void> removeEvent(String eventId, String roomId) async {
     840          40 :     await _eventsBox.delete(TupleKey(roomId, eventId).toString());
     841          20 :     final keys = await _timelineFragmentsBox.getAllKeys();
     842          20 :     for (final key in keys) {
     843          10 :       final multiKey = TupleKey.fromString(key);
     844          30 :       if (multiKey.parts.first != roomId) continue;
     845             :       final eventIds =
     846          30 :           List<String>.from(await _timelineFragmentsBox.get(key) ?? []);
     847          10 :       final prevLength = eventIds.length;
     848          30 :       eventIds.removeWhere((id) => id == eventId);
     849          20 :       if (eventIds.length < prevLength) {
     850          20 :         await _timelineFragmentsBox.put(key, eventIds);
     851             :       }
     852             :     }
     853             :     return;
     854             :   }
     855             : 
     856           2 :   @override
     857             :   Future<void> removeOutboundGroupSession(String roomId) async {
     858           4 :     await _outboundGroupSessionsBox.delete(roomId);
     859             :     return;
     860             :   }
     861             : 
     862           4 :   @override
     863             :   Future<void> removeUserCrossSigningKey(
     864             :       String userId, String publicKey) async {
     865           4 :     await _userCrossSigningKeysBox
     866          12 :         .delete(TupleKey(userId, publicKey).toString());
     867             :     return;
     868             :   }
     869             : 
     870           1 :   @override
     871             :   Future<void> removeUserDeviceKey(String userId, String deviceId) async {
     872           4 :     await _userDeviceKeysBox.delete(TupleKey(userId, deviceId).toString());
     873             :     return;
     874             :   }
     875             : 
     876           3 :   @override
     877             :   Future<void> setBlockedUserCrossSigningKey(
     878             :       bool blocked, String userId, String publicKey) async {
     879           3 :     final raw = copyMap(
     880           3 :       await _userCrossSigningKeysBox
     881           9 :               .get(TupleKey(userId, publicKey).toString()) ??
     882           0 :           {},
     883             :     );
     884           3 :     raw['blocked'] = blocked;
     885           6 :     await _userCrossSigningKeysBox.put(
     886           6 :       TupleKey(userId, publicKey).toString(),
     887             :       raw,
     888             :     );
     889             :     return;
     890             :   }
     891             : 
     892           3 :   @override
     893             :   Future<void> setBlockedUserDeviceKey(
     894             :       bool blocked, String userId, String deviceId) async {
     895           3 :     final raw = copyMap(
     896          12 :       await _userDeviceKeysBox.get(TupleKey(userId, deviceId).toString()) ?? {},
     897             :     );
     898           3 :     raw['blocked'] = blocked;
     899           6 :     await _userDeviceKeysBox.put(
     900           6 :       TupleKey(userId, deviceId).toString(),
     901             :       raw,
     902             :     );
     903             :     return;
     904             :   }
     905             : 
     906           1 :   @override
     907             :   Future<void> setLastActiveUserDeviceKey(
     908             :       int lastActive, String userId, String deviceId) async {
     909           1 :     final raw = copyMap(
     910           4 :       await _userDeviceKeysBox.get(TupleKey(userId, deviceId).toString()) ?? {},
     911             :     );
     912             : 
     913           1 :     raw['last_active'] = lastActive;
     914           2 :     await _userDeviceKeysBox.put(
     915           2 :       TupleKey(userId, deviceId).toString(),
     916             :       raw,
     917             :     );
     918             :   }
     919             : 
     920           7 :   @override
     921             :   Future<void> setLastSentMessageUserDeviceKey(
     922             :       String lastSentMessage, String userId, String deviceId) async {
     923           7 :     final raw = copyMap(
     924          28 :       await _userDeviceKeysBox.get(TupleKey(userId, deviceId).toString()) ?? {},
     925             :     );
     926           7 :     raw['last_sent_message'] = lastSentMessage;
     927          14 :     await _userDeviceKeysBox.put(
     928          14 :       TupleKey(userId, deviceId).toString(),
     929             :       raw,
     930             :     );
     931             :   }
     932             : 
     933           2 :   @override
     934             :   Future<void> setRoomPrevBatch(
     935             :       String? prevBatch, String roomId, Client client) async {
     936           4 :     final raw = await _roomsBox.get(roomId);
     937             :     if (raw == null) return;
     938           2 :     final room = Room.fromJson(copyMap(raw), client);
     939           1 :     room.prev_batch = prevBatch;
     940           3 :     await _roomsBox.put(roomId, room.toJson());
     941             :     return;
     942             :   }
     943             : 
     944           6 :   @override
     945             :   Future<void> setVerifiedUserCrossSigningKey(
     946             :       bool verified, String userId, String publicKey) async {
     947           6 :     final raw = copyMap(
     948           6 :       (await _userCrossSigningKeysBox
     949          18 :               .get(TupleKey(userId, publicKey).toString())) ??
     950           1 :           {},
     951             :     );
     952           6 :     raw['verified'] = verified;
     953          12 :     await _userCrossSigningKeysBox.put(
     954          12 :       TupleKey(userId, publicKey).toString(),
     955             :       raw,
     956             :     );
     957             :     return;
     958             :   }
     959             : 
     960           4 :   @override
     961             :   Future<void> setVerifiedUserDeviceKey(
     962             :       bool verified, String userId, String deviceId) async {
     963           4 :     final raw = copyMap(
     964          16 :       await _userDeviceKeysBox.get(TupleKey(userId, deviceId).toString()) ?? {},
     965             :     );
     966           4 :     raw['verified'] = verified;
     967           8 :     await _userDeviceKeysBox.put(
     968           8 :       TupleKey(userId, deviceId).toString(),
     969             :       raw,
     970             :     );
     971             :     return;
     972             :   }
     973             : 
     974          30 :   @override
     975             :   Future<void> storeAccountData(String type, String content) async {
     976          90 :     await _accountDataBox.put(type, jsonDecode(content));
     977             :     return;
     978             :   }
     979             : 
     980          32 :   @override
     981             :   Future<void> storeEventUpdate(EventUpdate eventUpdate, Client client) async {
     982             :     // Ephemerals should not be stored
     983          64 :     if (eventUpdate.type == EventUpdateType.ephemeral) return;
     984          64 :     final tmpRoom = client.getRoomById(eventUpdate.roomID) ??
     985          12 :         Room(id: eventUpdate.roomID, client: client);
     986             : 
     987             :     // In case of this is a redaction event
     988          96 :     if (eventUpdate.content['type'] == EventTypes.Redaction) {
     989           4 :       final eventId = eventUpdate.content.tryGet<String>('redacts');
     990             :       final event =
     991           0 :           eventId != null ? await getEventById(eventId, tmpRoom) : null;
     992             :       if (event != null) {
     993           0 :         event.setRedactionEvent(Event.fromJson(eventUpdate.content, tmpRoom));
     994           0 :         await _eventsBox.put(
     995           0 :             TupleKey(eventUpdate.roomID, event.eventId).toString(),
     996           0 :             event.toJson());
     997             : 
     998           0 :         if (tmpRoom.lastEvent?.eventId == event.eventId) {
     999           0 :           if (client.importantStateEvents.contains(event.type)) {
    1000           0 :             await _preloadRoomStateBox.put(
    1001           0 :               TupleKey(eventUpdate.roomID, event.type).toString(),
    1002           0 :               {'': event.toJson()},
    1003             :             );
    1004             :           } else {
    1005           0 :             await _nonPreloadRoomStateBox.put(
    1006           0 :               TupleKey(eventUpdate.roomID, event.type).toString(),
    1007           0 :               {'': event.toJson()},
    1008             :             );
    1009             :           }
    1010             :         }
    1011             :       }
    1012             :     }
    1013             : 
    1014             :     // Store a common message event
    1015          64 :     if ({EventUpdateType.timeline, EventUpdateType.history}
    1016          64 :         .contains(eventUpdate.type)) {
    1017          64 :       final eventId = eventUpdate.content['event_id'];
    1018             :       // Is this ID already in the store?
    1019          32 :       final prevEvent = await _eventsBox
    1020         128 :           .get(TupleKey(eventUpdate.roomID, eventId).toString());
    1021             :       final prevStatus = prevEvent == null
    1022             :           ? null
    1023           9 :           : () {
    1024           9 :               final json = copyMap(prevEvent);
    1025           9 :               final statusInt = json.tryGet<int>('status') ??
    1026             :                   json
    1027           0 :                       .tryGetMap<String, dynamic>('unsigned')
    1028           0 :                       ?.tryGet<int>(messageSendingStatusKey);
    1029           9 :               return statusInt == null ? null : eventStatusFromInt(statusInt);
    1030           9 :             }();
    1031             : 
    1032             :       // calculate the status
    1033          32 :       final newStatus = eventStatusFromInt(
    1034          64 :         eventUpdate.content.tryGet<int>('status') ??
    1035          32 :             eventUpdate.content
    1036          32 :                 .tryGetMap<String, dynamic>('unsigned')
    1037          29 :                 ?.tryGet<int>(messageSendingStatusKey) ??
    1038          32 :             EventStatus.synced.intValue,
    1039             :       );
    1040             : 
    1041             :       // Is this the response to a sending event which is already synced? Then
    1042             :       // there is nothing to do here.
    1043          38 :       if (!newStatus.isSynced && prevStatus != null && prevStatus.isSynced) {
    1044             :         return;
    1045             :       }
    1046             : 
    1047          32 :       final status = newStatus.isError || prevStatus == null
    1048             :           ? newStatus
    1049           7 :           : latestEventStatus(
    1050             :               prevStatus,
    1051             :               newStatus,
    1052             :             );
    1053             : 
    1054             :       // Add the status and the sort order to the content so it get stored
    1055          96 :       eventUpdate.content['unsigned'] ??= <String, dynamic>{};
    1056          96 :       eventUpdate.content['unsigned'][messageSendingStatusKey] =
    1057          96 :           eventUpdate.content['status'] = status.intValue;
    1058             : 
    1059             :       // In case this event has sent from this account we have a transaction ID
    1060          32 :       final transactionId = eventUpdate.content
    1061          32 :           .tryGetMap<String, dynamic>('unsigned')
    1062          32 :           ?.tryGet<String>('transaction_id');
    1063         160 :       await _eventsBox.put(TupleKey(eventUpdate.roomID, eventId).toString(),
    1064          32 :           eventUpdate.content);
    1065             : 
    1066             :       // Update timeline fragments
    1067          96 :       final key = TupleKey(eventUpdate.roomID, status.isSent ? '' : 'SENDING')
    1068          32 :           .toString();
    1069             : 
    1070             :       final eventIds =
    1071         128 :           List<String>.from(await _timelineFragmentsBox.get(key) ?? []);
    1072             : 
    1073          32 :       if (!eventIds.contains(eventId)) {
    1074          64 :         if (eventUpdate.type == EventUpdateType.history) {
    1075           2 :           eventIds.add(eventId);
    1076             :         } else {
    1077          32 :           eventIds.insert(0, eventId);
    1078             :         }
    1079          64 :         await _timelineFragmentsBox.put(key, eventIds);
    1080           7 :       } else if (status.isSynced &&
    1081             :           prevStatus != null &&
    1082           5 :           prevStatus.isSent &&
    1083          10 :           eventUpdate.type != EventUpdateType.history) {
    1084             :         // Status changes from 1 -> 2? Make sure event is correctly sorted.
    1085           5 :         eventIds.remove(eventId);
    1086           5 :         eventIds.insert(0, eventId);
    1087             :       }
    1088             : 
    1089             :       // If event comes from server timeline, remove sending events with this ID
    1090          32 :       if (status.isSent) {
    1091          96 :         final key = TupleKey(eventUpdate.roomID, 'SENDING').toString();
    1092             :         final eventIds =
    1093         128 :             List<String>.from(await _timelineFragmentsBox.get(key) ?? []);
    1094          50 :         final i = eventIds.indexWhere((id) => id == eventId);
    1095          64 :         if (i != -1) {
    1096           6 :           await _timelineFragmentsBox.put(key, eventIds..removeAt(i));
    1097             :         }
    1098             :       }
    1099             : 
    1100             :       // Is there a transaction id? Then delete the event with this id.
    1101          64 :       if (!status.isError && !status.isSending && transactionId != null) {
    1102          18 :         await removeEvent(transactionId, eventUpdate.roomID);
    1103             :       }
    1104             :     }
    1105             : 
    1106          64 :     final stateKey = eventUpdate.content['state_key'];
    1107             :     // Store a common state event
    1108             :     if (stateKey != null &&
    1109             :         // Don't store events as state updates when paginating backwards.
    1110          60 :         (eventUpdate.type == EventUpdateType.timeline ||
    1111          60 :             eventUpdate.type == EventUpdateType.state ||
    1112          60 :             eventUpdate.type == EventUpdateType.inviteState)) {
    1113          90 :       if (eventUpdate.content['type'] == EventTypes.RoomMember) {
    1114          58 :         await _roomMembersBox.put(
    1115          29 :             TupleKey(
    1116          29 :               eventUpdate.roomID,
    1117          58 :               eventUpdate.content['state_key'],
    1118          29 :             ).toString(),
    1119          29 :             eventUpdate.content);
    1120             :       } else {
    1121          60 :         final type = eventUpdate.content['type'] as String;
    1122          60 :         final roomStateBox = client.importantStateEvents.contains(type)
    1123          30 :             ? _preloadRoomStateBox
    1124          29 :             : _nonPreloadRoomStateBox;
    1125          30 :         final key = TupleKey(
    1126          30 :           eventUpdate.roomID,
    1127             :           type,
    1128          30 :         ).toString();
    1129          90 :         final stateMap = copyMap(await roomStateBox.get(key) ?? {});
    1130             : 
    1131          60 :         stateMap[stateKey] = eventUpdate.content;
    1132          30 :         await roomStateBox.put(key, stateMap);
    1133             :       }
    1134             :     }
    1135             : 
    1136             :     // Store a room account data event
    1137          64 :     if (eventUpdate.type == EventUpdateType.accountData) {
    1138          58 :       await _roomAccountDataBox.put(
    1139          29 :         TupleKey(
    1140          29 :           eventUpdate.roomID,
    1141          58 :           eventUpdate.content['type'],
    1142          29 :         ).toString(),
    1143          29 :         eventUpdate.content,
    1144             :       );
    1145             :     }
    1146             :   }
    1147             : 
    1148          24 :   @override
    1149             :   Future<void> storeInboundGroupSession(
    1150             :       String roomId,
    1151             :       String sessionId,
    1152             :       String pickle,
    1153             :       String content,
    1154             :       String indexes,
    1155             :       String allowedAtIndex,
    1156             :       String senderKey,
    1157             :       String senderClaimedKey) async {
    1158          24 :     final json = StoredInboundGroupSession(
    1159             :       roomId: roomId,
    1160             :       sessionId: sessionId,
    1161             :       pickle: pickle,
    1162             :       content: content,
    1163             :       indexes: indexes,
    1164             :       allowedAtIndex: allowedAtIndex,
    1165             :       senderKey: senderKey,
    1166             :       senderClaimedKeys: senderClaimedKey,
    1167          24 :     ).toJson();
    1168          48 :     await _inboundGroupSessionsBox.put(
    1169             :       sessionId,
    1170             :       json,
    1171             :     );
    1172             :     // Mark this session as needing upload too
    1173          48 :     await _inboundGroupSessionsUploadQueueBox.put(sessionId, roomId);
    1174             :     return;
    1175             :   }
    1176             : 
    1177           5 :   @override
    1178             :   Future<void> storeOutboundGroupSession(
    1179             :       String roomId, String pickle, String deviceIds, int creationTime) async {
    1180          15 :     await _outboundGroupSessionsBox.put(roomId, <String, dynamic>{
    1181             :       'room_id': roomId,
    1182             :       'pickle': pickle,
    1183             :       'device_ids': deviceIds,
    1184             :       'creation_time': creationTime,
    1185             :     });
    1186             :     return;
    1187             :   }
    1188             : 
    1189          29 :   @override
    1190             :   Future<void> storePrevBatch(
    1191             :     String prevBatch,
    1192             :   ) async {
    1193          87 :     if ((await _clientBox.getAllKeys()).isEmpty) return;
    1194          58 :     await _clientBox.put('prev_batch', prevBatch);
    1195             :     return;
    1196             :   }
    1197             : 
    1198          30 :   @override
    1199             :   Future<void> storeRoomUpdate(String roomId, SyncRoomUpdate roomUpdate,
    1200             :       Event? lastEvent, Client client) async {
    1201             :     // Leave room if membership is leave
    1202          30 :     if (roomUpdate is LeftRoomUpdate) {
    1203          29 :       await forgetRoom(roomId);
    1204             :       return;
    1205             :     }
    1206          30 :     final membership = roomUpdate is LeftRoomUpdate
    1207             :         ? Membership.leave
    1208          30 :         : roomUpdate is InvitedRoomUpdate
    1209             :             ? Membership.invite
    1210             :             : Membership.join;
    1211             :     // Make sure room exists
    1212          60 :     final currentRawRoom = await _roomsBox.get(roomId);
    1213             :     if (currentRawRoom == null) {
    1214          60 :       await _roomsBox.put(
    1215             :           roomId,
    1216          30 :           roomUpdate is JoinedRoomUpdate
    1217          30 :               ? Room(
    1218             :                   client: client,
    1219             :                   id: roomId,
    1220             :                   membership: membership,
    1221             :                   highlightCount:
    1222          88 :                       roomUpdate.unreadNotifications?.highlightCount?.toInt() ??
    1223             :                           0,
    1224             :                   notificationCount: roomUpdate
    1225          59 :                           .unreadNotifications?.notificationCount
    1226          29 :                           ?.toInt() ??
    1227             :                       0,
    1228          59 :                   prev_batch: roomUpdate.timeline?.prevBatch,
    1229          30 :                   summary: roomUpdate.summary,
    1230             :                   lastEvent: lastEvent,
    1231          30 :                 ).toJson()
    1232          29 :               : Room(
    1233             :                   client: client,
    1234             :                   id: roomId,
    1235             :                   membership: membership,
    1236             :                   lastEvent: lastEvent,
    1237          29 :                 ).toJson());
    1238          11 :     } else if (roomUpdate is JoinedRoomUpdate) {
    1239          22 :       final currentRoom = Room.fromJson(copyMap(currentRawRoom), client);
    1240          22 :       await _roomsBox.put(
    1241             :           roomId,
    1242          11 :           Room(
    1243             :             client: client,
    1244             :             id: roomId,
    1245             :             membership: membership,
    1246             :             highlightCount:
    1247          13 :                 roomUpdate.unreadNotifications?.highlightCount?.toInt() ??
    1248          11 :                     currentRoom.highlightCount,
    1249             :             notificationCount:
    1250          13 :                 roomUpdate.unreadNotifications?.notificationCount?.toInt() ??
    1251          11 :                     currentRoom.notificationCount,
    1252             :             prev_batch:
    1253          32 :                 roomUpdate.timeline?.prevBatch ?? currentRoom.prev_batch,
    1254          33 :             summary: RoomSummary.fromJson(currentRoom.summary.toJson()
    1255          34 :               ..addAll(roomUpdate.summary?.toJson() ?? {})),
    1256             :             lastEvent: lastEvent,
    1257          11 :           ).toJson());
    1258             :     }
    1259             :   }
    1260             : 
    1261          29 :   @override
    1262             :   Future<void> deleteTimelineForRoom(String roomId) =>
    1263         116 :       _timelineFragmentsBox.delete(TupleKey(roomId, '').toString());
    1264             : 
    1265           8 :   @override
    1266             :   Future<void> storeSSSSCache(
    1267             :       String type, String keyId, String ciphertext, String content) async {
    1268          16 :     await _ssssCacheBox.put(
    1269             :         type,
    1270           8 :         SSSSCache(
    1271             :           type: type,
    1272             :           keyId: keyId,
    1273             :           ciphertext: ciphertext,
    1274             :           content: content,
    1275           8 :         ).toJson());
    1276             :   }
    1277             : 
    1278          30 :   @override
    1279             :   Future<void> storeSyncFilterId(
    1280             :     String syncFilterId,
    1281             :   ) async {
    1282          60 :     await _clientBox.put('sync_filter_id', syncFilterId);
    1283             :   }
    1284             : 
    1285          30 :   @override
    1286             :   Future<void> storeUserCrossSigningKey(String userId, String publicKey,
    1287             :       String content, bool verified, bool blocked) async {
    1288          60 :     await _userCrossSigningKeysBox.put(
    1289          60 :       TupleKey(userId, publicKey).toString(),
    1290          30 :       {
    1291             :         'user_id': userId,
    1292             :         'public_key': publicKey,
    1293             :         'content': content,
    1294             :         'verified': verified,
    1295             :         'blocked': blocked,
    1296             :       },
    1297             :     );
    1298             :   }
    1299             : 
    1300          30 :   @override
    1301             :   Future<void> storeUserDeviceKey(String userId, String deviceId,
    1302             :       String content, bool verified, bool blocked, int lastActive) async {
    1303         150 :     await _userDeviceKeysBox.put(TupleKey(userId, deviceId).toString(), {
    1304             :       'user_id': userId,
    1305             :       'device_id': deviceId,
    1306             :       'content': content,
    1307             :       'verified': verified,
    1308             :       'blocked': blocked,
    1309             :       'last_active': lastActive,
    1310             :       'last_sent_message': '',
    1311             :     });
    1312             :     return;
    1313             :   }
    1314             : 
    1315          30 :   @override
    1316             :   Future<void> storeUserDeviceKeysInfo(String userId, bool outdated) async {
    1317          60 :     await _userDeviceKeysOutdatedBox.put(userId, outdated);
    1318             :     return;
    1319             :   }
    1320             : 
    1321          32 :   @override
    1322             :   Future<void> transaction(Future<void> Function() action) =>
    1323          64 :       _collection.transaction(action);
    1324             : 
    1325           2 :   @override
    1326             :   Future<void> updateClient(
    1327             :     String homeserverUrl,
    1328             :     String token,
    1329             :     DateTime? tokenExpiresAt,
    1330             :     String? refreshToken,
    1331             :     String userId,
    1332             :     String? deviceId,
    1333             :     String? deviceName,
    1334             :     String? prevBatch,
    1335             :     String? olmAccount,
    1336             :   ) async {
    1337           4 :     await transaction(() async {
    1338           4 :       await _clientBox.put('homeserver_url', homeserverUrl);
    1339           4 :       await _clientBox.put('token', token);
    1340             :       if (tokenExpiresAt == null) {
    1341           0 :         await _clientBox.delete('token_expires_at');
    1342             :       } else {
    1343           4 :         await _clientBox.put('token_expires_at',
    1344           4 :             tokenExpiresAt.millisecondsSinceEpoch.toString());
    1345             :       }
    1346             :       if (refreshToken == null) {
    1347           0 :         await _clientBox.delete('refresh_token');
    1348             :       } else {
    1349           4 :         await _clientBox.put('refresh_token', refreshToken);
    1350             :       }
    1351           4 :       await _clientBox.put('user_id', userId);
    1352             :       if (deviceId == null) {
    1353           0 :         await _clientBox.delete('device_id');
    1354             :       } else {
    1355           4 :         await _clientBox.put('device_id', deviceId);
    1356             :       }
    1357             :       if (deviceName == null) {
    1358           0 :         await _clientBox.delete('device_name');
    1359             :       } else {
    1360           4 :         await _clientBox.put('device_name', deviceName);
    1361             :       }
    1362             :       if (prevBatch == null) {
    1363           0 :         await _clientBox.delete('prev_batch');
    1364             :       } else {
    1365           4 :         await _clientBox.put('prev_batch', prevBatch);
    1366             :       }
    1367             :       if (olmAccount == null) {
    1368           0 :         await _clientBox.delete('olm_account');
    1369             :       } else {
    1370           4 :         await _clientBox.put('olm_account', olmAccount);
    1371             :       }
    1372             :     });
    1373             :     return;
    1374             :   }
    1375             : 
    1376          24 :   @override
    1377             :   Future<void> updateClientKeys(
    1378             :     String olmAccount,
    1379             :   ) async {
    1380          48 :     await _clientBox.put('olm_account', olmAccount);
    1381             :     return;
    1382             :   }
    1383             : 
    1384           2 :   @override
    1385             :   Future<void> updateInboundGroupSessionAllowedAtIndex(
    1386             :       String allowedAtIndex, String roomId, String sessionId) async {
    1387           4 :     final raw = await _inboundGroupSessionsBox.get(sessionId);
    1388             :     if (raw == null) {
    1389           0 :       Logs().w(
    1390             :           'Tried to update inbound group session as uploaded which wasnt found in the database!');
    1391             :       return;
    1392             :     }
    1393           2 :     raw['allowed_at_index'] = allowedAtIndex;
    1394           4 :     await _inboundGroupSessionsBox.put(sessionId, raw);
    1395             :     return;
    1396             :   }
    1397             : 
    1398           3 :   @override
    1399             :   Future<void> updateInboundGroupSessionIndexes(
    1400             :       String indexes, String roomId, String sessionId) async {
    1401           6 :     final raw = await _inboundGroupSessionsBox.get(sessionId);
    1402             :     if (raw == null) {
    1403           0 :       Logs().w(
    1404             :           'Tried to update inbound group session indexes of a session which was not found in the database!');
    1405             :       return;
    1406             :     }
    1407           3 :     final json = copyMap(raw);
    1408           3 :     json['indexes'] = indexes;
    1409           6 :     await _inboundGroupSessionsBox.put(sessionId, json);
    1410             :     return;
    1411             :   }
    1412             : 
    1413           2 :   @override
    1414             :   Future<List<StoredInboundGroupSession>> getAllInboundGroupSessions() async {
    1415           4 :     final rawSessions = await _inboundGroupSessionsBox.getAllValues();
    1416           2 :     return rawSessions.values
    1417           5 :         .map((raw) => StoredInboundGroupSession.fromJson(copyMap(raw)))
    1418           2 :         .toList();
    1419             :   }
    1420             : 
    1421          29 :   @override
    1422             :   Future<void> addSeenDeviceId(
    1423             :     String userId,
    1424             :     String deviceId,
    1425             :     String publicKeys,
    1426             :   ) =>
    1427         116 :       _seenDeviceIdsBox.put(TupleKey(userId, deviceId).toString(), publicKeys);
    1428             : 
    1429          29 :   @override
    1430             :   Future<void> addSeenPublicKey(
    1431             :     String publicKey,
    1432             :     String deviceId,
    1433             :   ) =>
    1434          58 :       _seenDeviceKeysBox.put(publicKey, deviceId);
    1435             : 
    1436          29 :   @override
    1437             :   Future<String?> deviceIdSeen(userId, deviceId) async {
    1438             :     final raw =
    1439         116 :         await _seenDeviceIdsBox.get(TupleKey(userId, deviceId).toString());
    1440             :     if (raw == null) return null;
    1441             :     return raw;
    1442             :   }
    1443             : 
    1444          29 :   @override
    1445             :   Future<String?> publicKeySeen(String publicKey) async {
    1446          58 :     final raw = await _seenDeviceKeysBox.get(publicKey);
    1447             :     if (raw == null) return null;
    1448             :     return raw;
    1449             :   }
    1450             : 
    1451           0 :   @override
    1452             :   Future<String> exportDump() async {
    1453           0 :     final dataMap = {
    1454           0 :       _clientBoxName: await _clientBox.getAllValues(),
    1455           0 :       _accountDataBoxName: await _accountDataBox.getAllValues(),
    1456           0 :       _roomsBoxName: await _roomsBox.getAllValues(),
    1457           0 :       _preloadRoomStateBoxName: await _preloadRoomStateBox.getAllValues(),
    1458           0 :       _nonPreloadRoomStateBoxName: await _nonPreloadRoomStateBox.getAllValues(),
    1459           0 :       _roomMembersBoxName: await _roomMembersBox.getAllValues(),
    1460           0 :       _toDeviceQueueBoxName: await _toDeviceQueueBox.getAllValues(),
    1461           0 :       _roomAccountDataBoxName: await _roomAccountDataBox.getAllValues(),
    1462             :       _inboundGroupSessionsBoxName:
    1463           0 :           await _inboundGroupSessionsBox.getAllValues(),
    1464             :       _inboundGroupSessionsUploadQueueBoxName:
    1465           0 :           await _inboundGroupSessionsUploadQueueBox.getAllValues(),
    1466             :       _outboundGroupSessionsBoxName:
    1467           0 :           await _outboundGroupSessionsBox.getAllValues(),
    1468           0 :       _olmSessionsBoxName: await _olmSessionsBox.getAllValues(),
    1469           0 :       _userDeviceKeysBoxName: await _userDeviceKeysBox.getAllValues(),
    1470             :       _userDeviceKeysOutdatedBoxName:
    1471           0 :           await _userDeviceKeysOutdatedBox.getAllValues(),
    1472             :       _userCrossSigningKeysBoxName:
    1473           0 :           await _userCrossSigningKeysBox.getAllValues(),
    1474           0 :       _ssssCacheBoxName: await _ssssCacheBox.getAllValues(),
    1475           0 :       _presencesBoxName: await _presencesBox.getAllValues(),
    1476           0 :       _timelineFragmentsBoxName: await _timelineFragmentsBox.getAllValues(),
    1477           0 :       _eventsBoxName: await _eventsBox.getAllValues(),
    1478           0 :       _seenDeviceIdsBoxName: await _seenDeviceIdsBox.getAllValues(),
    1479           0 :       _seenDeviceKeysBoxName: await _seenDeviceKeysBox.getAllValues(),
    1480             :     };
    1481           0 :     final json = jsonEncode(dataMap);
    1482           0 :     await clear();
    1483             :     return json;
    1484             :   }
    1485             : 
    1486           0 :   @override
    1487             :   Future<bool> importDump(String export) async {
    1488             :     try {
    1489           0 :       await clear();
    1490           0 :       await open();
    1491           0 :       final json = Map.from(jsonDecode(export)).cast<String, Map>();
    1492           0 :       for (final key in json[_clientBoxName]!.keys) {
    1493           0 :         await _clientBox.put(key, json[_clientBoxName]![key]);
    1494             :       }
    1495           0 :       for (final key in json[_accountDataBoxName]!.keys) {
    1496           0 :         await _accountDataBox.put(key, json[_accountDataBoxName]![key]);
    1497             :       }
    1498           0 :       for (final key in json[_roomsBoxName]!.keys) {
    1499           0 :         await _roomsBox.put(key, json[_roomsBoxName]![key]);
    1500             :       }
    1501           0 :       for (final key in json[_preloadRoomStateBoxName]!.keys) {
    1502           0 :         await _preloadRoomStateBox.put(
    1503           0 :             key, json[_preloadRoomStateBoxName]![key]);
    1504             :       }
    1505           0 :       for (final key in json[_nonPreloadRoomStateBoxName]!.keys) {
    1506           0 :         await _nonPreloadRoomStateBox.put(
    1507           0 :             key, json[_nonPreloadRoomStateBoxName]![key]);
    1508             :       }
    1509           0 :       for (final key in json[_roomMembersBoxName]!.keys) {
    1510           0 :         await _roomMembersBox.put(key, json[_roomMembersBoxName]![key]);
    1511             :       }
    1512           0 :       for (final key in json[_toDeviceQueueBoxName]!.keys) {
    1513           0 :         await _toDeviceQueueBox.put(key, json[_toDeviceQueueBoxName]![key]);
    1514             :       }
    1515           0 :       for (final key in json[_roomAccountDataBoxName]!.keys) {
    1516           0 :         await _roomAccountDataBox.put(key, json[_roomAccountDataBoxName]![key]);
    1517             :       }
    1518           0 :       for (final key in json[_inboundGroupSessionsBoxName]!.keys) {
    1519           0 :         await _inboundGroupSessionsBox.put(
    1520           0 :             key, json[_inboundGroupSessionsBoxName]![key]);
    1521             :       }
    1522           0 :       for (final key in json[_inboundGroupSessionsUploadQueueBoxName]!.keys) {
    1523           0 :         await _inboundGroupSessionsUploadQueueBox.put(
    1524           0 :             key, json[_inboundGroupSessionsUploadQueueBoxName]![key]);
    1525             :       }
    1526           0 :       for (final key in json[_outboundGroupSessionsBoxName]!.keys) {
    1527           0 :         await _outboundGroupSessionsBox.put(
    1528           0 :             key, json[_outboundGroupSessionsBoxName]![key]);
    1529             :       }
    1530           0 :       for (final key in json[_olmSessionsBoxName]!.keys) {
    1531           0 :         await _olmSessionsBox.put(key, json[_olmSessionsBoxName]![key]);
    1532             :       }
    1533           0 :       for (final key in json[_userDeviceKeysBoxName]!.keys) {
    1534           0 :         await _userDeviceKeysBox.put(key, json[_userDeviceKeysBoxName]![key]);
    1535             :       }
    1536           0 :       for (final key in json[_userDeviceKeysOutdatedBoxName]!.keys) {
    1537           0 :         await _userDeviceKeysOutdatedBox.put(
    1538           0 :             key, json[_userDeviceKeysOutdatedBoxName]![key]);
    1539             :       }
    1540           0 :       for (final key in json[_userCrossSigningKeysBoxName]!.keys) {
    1541           0 :         await _userCrossSigningKeysBox.put(
    1542           0 :             key, json[_userCrossSigningKeysBoxName]![key]);
    1543             :       }
    1544           0 :       for (final key in json[_ssssCacheBoxName]!.keys) {
    1545           0 :         await _ssssCacheBox.put(key, json[_ssssCacheBoxName]![key]);
    1546             :       }
    1547           0 :       for (final key in json[_presencesBoxName]!.keys) {
    1548           0 :         await _presencesBox.put(key, json[_presencesBoxName]![key]);
    1549             :       }
    1550           0 :       for (final key in json[_timelineFragmentsBoxName]!.keys) {
    1551           0 :         await _timelineFragmentsBox.put(
    1552           0 :             key, json[_timelineFragmentsBoxName]![key]);
    1553             :       }
    1554           0 :       for (final key in json[_seenDeviceIdsBoxName]!.keys) {
    1555           0 :         await _seenDeviceIdsBox.put(key, json[_seenDeviceIdsBoxName]![key]);
    1556             :       }
    1557           0 :       for (final key in json[_seenDeviceKeysBoxName]!.keys) {
    1558           0 :         await _seenDeviceKeysBox.put(key, json[_seenDeviceKeysBoxName]![key]);
    1559             :       }
    1560             :       return true;
    1561             :     } catch (e, s) {
    1562           0 :       Logs().e('Database import error: ', e, s);
    1563             :       return false;
    1564             :     }
    1565             :   }
    1566             : 
    1567           1 :   @override
    1568             :   Future<List<String>> getEventIdList(
    1569             :     Room room, {
    1570             :     int start = 0,
    1571             :     bool includeSending = false,
    1572             :     int? limit,
    1573             :   }) =>
    1574           2 :       runBenchmarked<List<String>>('Get event id list', () async {
    1575             :         // Get the synced event IDs from the store
    1576           3 :         final timelineKey = TupleKey(room.id, '').toString();
    1577           1 :         final timelineEventIds = List<String>.from(
    1578           2 :             (await _timelineFragmentsBox.get(timelineKey)) ?? []);
    1579             : 
    1580             :         // Get the local stored SENDING events from the store
    1581             :         late final List<String> sendingEventIds;
    1582             :         if (!includeSending) {
    1583           1 :           sendingEventIds = [];
    1584             :         } else {
    1585           0 :           final sendingTimelineKey = TupleKey(room.id, 'SENDING').toString();
    1586           0 :           sendingEventIds = List<String>.from(
    1587           0 :               (await _timelineFragmentsBox.get(sendingTimelineKey)) ?? []);
    1588             :         }
    1589             : 
    1590             :         // Combine those two lists while respecting the start and limit parameters.
    1591             :         // Create a new list object instead of concatonating list to prevent
    1592             :         // random type errors.
    1593           1 :         final eventIds = [
    1594             :           ...sendingEventIds,
    1595           1 :           ...timelineEventIds,
    1596             :         ];
    1597           0 :         if (limit != null && eventIds.length > limit) {
    1598           0 :           eventIds.removeRange(limit, eventIds.length);
    1599             :         }
    1600             : 
    1601             :         return eventIds;
    1602             :       });
    1603             : 
    1604          30 :   @override
    1605             :   Future<void> storePresence(String userId, CachedPresence presence) =>
    1606          90 :       _presencesBox.put(userId, presence.toJson());
    1607             : 
    1608           1 :   @override
    1609             :   Future<CachedPresence?> getPresence(String userId) async {
    1610           2 :     final rawPresence = await _presencesBox.get(userId);
    1611             :     if (rawPresence == null) return null;
    1612             : 
    1613           2 :     return CachedPresence.fromJson(copyMap(rawPresence));
    1614             :   }
    1615             : 
    1616           2 :   @override
    1617           2 :   Future<void> delete() => BoxCollection.delete(
    1618           2 :         name,
    1619           2 :         sqfliteFactory ?? idbFactory,
    1620             :       );
    1621             : }

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