import 'package:flutter/cupertino.dart'; import 'package:adaptive_dialog/adaptive_dialog.dart'; import 'package:matrix/matrix.dart'; extension ClientStoriesExtension on Client { static const String storiesRoomType = 'msc3588.stories.stories-room'; static const String storiesBlockListType = 'msc3588.stories.block-list'; static const int lifeTimeInHours = 24; static const int maxPostsPerStory = 20; List get contacts => rooms .where((room) => room.isDirectChat) .map((room) => room.getUserByMXIDSync(room.directChatMatrixID!)) .toList(); List get storiesRooms => rooms .where((room) => room .getState(EventTypes.RoomCreate) ?.content .tryGet('type') == storiesRoomType) .toList(); Future> getUndecidedContactsForStories(Room? storiesRoom) async { if (storiesRoom == null) return contacts; final invitedContacts = (await storiesRoom.requestParticipants()).map((user) => user.id); final decidedContacts = storiesBlockList.toSet()..addAll(invitedContacts); return contacts .where((contact) => !decidedContacts.contains(contact.id)) .toList(); } List get storiesBlockList => accountData[storiesBlockListType]?.content.tryGetList('users') ?? []; Future setStoriesBlockList(List users) => setAccountData( userID!, storiesBlockListType, {'users': users}, ); Future createStoriesRoom([List? invite]) async { final roomId = await createRoom( creationContent: {"type": "msc3588.stories.stories-room"}, preset: CreateRoomPreset.privateChat, powerLevelContentOverride: {"events_default": 100}, name: 'Stories from ${userID!.localpart}', topic: 'This is a room for stories sharing, not unlike the similarly named features in other messaging networks. For best experience please use FluffyChat or minesTrix. Feature development can be followed on: https://github.com/matrix-org/matrix-doc/pull/3588', initialState: [ StateEvent( type: EventTypes.Encryption, stateKey: '', content: { 'algorithm': 'm.megolm.v1.aes-sha2', }, ), StateEvent( type: 'm.room.retention', stateKey: '', content: { 'min_lifetime': 86400000, 'max_lifetime': 86400000, }, ), ], invite: invite, ); if (getRoomById(roomId) == null) { // Wait for room actually appears in sync await onSync.stream .firstWhere((sync) => sync.rooms?.join?.containsKey(roomId) ?? false); } return getRoomById(roomId)!; } Future getStoriesRoom(BuildContext context) async { final candidates = rooms.where((room) => room.getState(EventTypes.RoomCreate)?.content.tryGet('type') == storiesRoomType && room.ownPowerLevel >= 100); if (candidates.isEmpty) return null; if (candidates.length == 1) return candidates.single; return await showModalActionSheet( context: context, actions: candidates .map( (room) => SheetAction(label: room.displayname, key: room), ) .toList()); } }