719 lines
24 KiB
Dart
719 lines
24 KiB
Dart
/*
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* Copyright (c) 2019 Zender & Kurtz GbR.
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*
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* Authors:
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* Christian Pauly <krille@famedly.com>
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* Marcel Radzio <mtrnord@famedly.com>
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*
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* This file is part of famedlysdk.
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*
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* famedlysdk is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* famedlysdk is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with famedlysdk. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'dart:io';
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import 'package:famedlysdk/src/Client.dart';
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import 'package:famedlysdk/src/Event.dart';
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import 'package:famedlysdk/src/RoomAccountData.dart';
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import 'package:famedlysdk/src/RoomState.dart';
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import 'package:famedlysdk/src/responses/ErrorResponse.dart';
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import 'package:famedlysdk/src/sync/EventUpdate.dart';
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import 'package:famedlysdk/src/utils/ChatTime.dart';
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import 'package:famedlysdk/src/utils/MxContent.dart';
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import 'package:image/image.dart';
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import 'package:mime_type/mime_type.dart';
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import './User.dart';
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import 'Connection.dart';
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import 'Timeline.dart';
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typedef onRoomUpdate = void Function();
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/// Represents a Matrix room.
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class Room {
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/// The full qualified Matrix ID for the room in the format '!localid:server.abc'.
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final String id;
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/// Membership status of the user for this room.
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Membership membership;
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/// The count of unread notifications.
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int notificationCount;
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/// The count of highlighted notifications.
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int highlightCount;
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/// A token that can be supplied to the from parameter of the rooms/{roomId}/messages endpoint.
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String prev_batch;
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/// The users which can be used to generate a room name if the room does not have one.
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/// Required if the room's m.room.name or m.room.canonical_alias state events are unset or empty.
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List<String> mHeroes = [];
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/// The number of users with membership of join, including the client's own user ID.
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int mJoinedMemberCount;
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/// The number of users with membership of invite.
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int mInvitedMemberCount;
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/// Key-Value store for room states.
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Map<String, RoomState> states = {};
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/// Key-Value store for private account data only visible for this user.
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Map<String, RoomAccountData> roomAccountData = {};
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/// ID of the fully read marker event.
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String get fullyRead => roomAccountData["m.fully_read"] != null
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? roomAccountData["m.fully_read"].content["event_id"]
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: "";
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/// If something changes, this callback will be triggered.
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onRoomUpdate onUpdate;
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/// The name of the room if set by a participant.
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String get name {
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if (states["m.room.name"] != null &&
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!states["m.room.name"].content["name"].isEmpty)
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return states["m.room.name"].content["name"];
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if (canonicalAlias != null && !canonicalAlias.isEmpty)
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return canonicalAlias.substring(1, canonicalAlias.length).split(":")[0];
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if (mHeroes != null && mHeroes.length > 0) {
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String displayname = "";
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for (int i = 0; i < mHeroes.length; i++) {
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User hero = states[mHeroes[i]] != null
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? states[mHeroes[i]].asUser
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: User(mHeroes[i]);
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displayname += hero.calcDisplayname() + ", ";
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}
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return displayname.substring(0, displayname.length - 2);
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}
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return "Empty chat";
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}
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/// The topic of the room if set by a participant.
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String get topic => states["m.room.topic"] != null
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? states["m.room.topic"].content["topic"]
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: "";
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/// The avatar of the room if set by a participant.
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MxContent get avatar {
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if (states["m.room.avatar"] != null)
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return MxContent(states["m.room.avatar"].content["url"]);
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if (mHeroes != null && mHeroes.length == 1 && states[mHeroes[0]] != null)
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return states[mHeroes[0]].asUser.avatarUrl;
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return MxContent("");
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}
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/// The address in the format: #roomname:homeserver.org.
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String get canonicalAlias => states["m.room.canonical_alias"] != null
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? states["m.room.canonical_alias"].content["alias"]
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: "";
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/// If this room is a direct chat, this is the matrix ID of the user.
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/// Returns null otherwise.
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String get directChatMatrixID {
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String returnUserId = null;
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if (client.directChats is Map<String, dynamic>) {
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client.directChats.forEach((String userId, dynamic roomIds) {
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if (roomIds is List<dynamic>) {
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for (int i = 0; i < roomIds.length; i++)
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if (roomIds[i] == this.id) {
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returnUserId = userId;
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break;
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}
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}
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});
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}
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return returnUserId;
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}
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/// Wheither this is a direct chat or not
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bool get isDirectChat => directChatMatrixID != null;
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/// Must be one of [all, mention]
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String notificationSettings;
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Event get lastEvent {
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ChatTime lastTime = ChatTime(0);
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Event lastEvent = null;
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states.forEach((String key, RoomState state) {
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if (state.time != null && state.time > lastTime) {
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lastTime = state.time;
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lastEvent = state.timelineEvent;
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}
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});
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return lastEvent;
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}
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/// Your current client instance.
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final Client client;
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Room({
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this.id,
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this.membership = Membership.join,
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this.notificationCount = 0,
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this.highlightCount = 0,
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this.prev_batch = "",
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this.client,
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this.notificationSettings,
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this.mHeroes = const [],
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this.mInvitedMemberCount = 0,
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this.mJoinedMemberCount = 0,
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this.states = const {},
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this.roomAccountData = const {},
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});
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/// The default count of how much events should be requested when requesting the
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/// history of this room.
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static const int DefaultHistoryCount = 100;
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/// Calculates the displayname. First checks if there is a name, then checks for a canonical alias and
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/// then generates a name from the heroes.
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String get displayname {
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if (name != null && !name.isEmpty) return name;
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if (canonicalAlias != null &&
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!canonicalAlias.isEmpty &&
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canonicalAlias.length > 3)
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return canonicalAlias.substring(1, canonicalAlias.length).split(":")[0];
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if (mHeroes.length > 0) {
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String displayname = "";
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for (int i = 0; i < mHeroes.length; i++)
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displayname += User(mHeroes[i]).calcDisplayname() + ", ";
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return displayname.substring(0, displayname.length - 2);
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}
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return "Empty chat";
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}
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/// The last message sent to this room.
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String get lastMessage {
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if (lastEvent != null)
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return lastEvent.getBody();
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else
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return "";
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}
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/// When the last message received.
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ChatTime get timeCreated {
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if (lastEvent != null)
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return lastEvent.time;
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else
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return ChatTime.now();
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}
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/// Call the Matrix API to change the name of this room.
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Future<dynamic> setName(String newName) async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.PUT,
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action: "/client/r0/rooms/${id}/state/m.room.name",
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data: {"name": newName});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Call the Matrix API to change the topic of this room.
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Future<dynamic> setDescription(String newName) async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.PUT,
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action: "/client/r0/rooms/${id}/state/m.room.topic",
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data: {"topic": newName});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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Future<dynamic> _sendRawEventNow(Map<String, dynamic> content,
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{String txid = null}) async {
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if (txid == null) txid = "txid${DateTime.now().millisecondsSinceEpoch}";
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final dynamic res = await client.connection.jsonRequest(
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type: HTTPType.PUT,
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action: "/client/r0/rooms/${id}/send/m.room.message/$txid",
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data: content);
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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Future<String> sendTextEvent(String message, {String txid = null}) =>
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sendEvent({"msgtype": "m.text", "body": message}, txid: txid);
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Future<String> sendFileEvent(File file, String msgType,
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{String txid = null}) async {
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// Try to get the size of the file
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int size;
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try {
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size = (await file.readAsBytes()).length;
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} catch (e) {
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print("[UPLOAD] Could not get size. Reason: ${e.toString()}");
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}
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// Upload file
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String fileName = file.path.split("/").last;
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String mimeType = mime(fileName);
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final dynamic uploadResp = await client.connection.upload(file);
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if (uploadResp is ErrorResponse) return null;
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// Send event
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Map<String, dynamic> content = {
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"msgtype": msgType,
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"body": fileName,
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"filename": fileName,
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"url": uploadResp,
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"info": {
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"mimetype": mimeType,
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}
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};
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if (size != null)
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content["info"] = {
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"size": size,
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"mimetype": mimeType,
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};
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return await sendEvent(content, txid: txid);
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}
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Future<String> sendImageEvent(File file, {String txid = null}) async {
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String path = file.path;
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String fileName = path.split("/").last;
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Map<String, dynamic> info;
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// Try to manipulate the file size and create a thumbnail
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try {
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Image image =
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copyResize(decodeImage(file.readAsBytesSync()), width: 1200);
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Image thumbnail = copyResize(image, width: 800);
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file = File(path)..writeAsBytesSync(encodePng(image));
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File thumbnailFile = File(path)..writeAsBytesSync(encodePng(thumbnail));
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final dynamic uploadThumbnailResp =
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await client.connection.upload(thumbnailFile);
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if (uploadThumbnailResp is ErrorResponse) throw (uploadThumbnailResp);
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info = {
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"size": image.getBytes().length,
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"mimetype": mime(file.path),
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"w": image.width,
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"h": image.height,
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"thumbnail_url": uploadThumbnailResp,
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"thumbnail_info": {
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"w": thumbnail.width,
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"h": thumbnail.height,
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"mimetype": mime(thumbnailFile.path),
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"size": thumbnail.getBytes().length
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},
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};
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} catch (e) {
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print(
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"[UPLOAD] Could not create thumbnail of image. Try to upload the unchanged file...");
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}
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final dynamic uploadResp = await client.connection.upload(file);
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if (uploadResp is ErrorResponse) return null;
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Map<String, dynamic> content = {
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"msgtype": "m.image",
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"body": fileName,
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"url": uploadResp,
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};
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if (info != null) content["info"] = info;
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return await sendEvent(content, txid: txid);
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}
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Future<String> sendEvent(Map<String, dynamic> content,
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{String txid = null}) async {
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final String type = "m.room.message";
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// Create new transaction id
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String messageID;
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final int now = DateTime.now().millisecondsSinceEpoch;
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if (txid == null) {
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messageID = "msg$now";
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} else
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messageID = txid;
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// Display a *sending* event and store it.
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EventUpdate eventUpdate =
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EventUpdate(type: "timeline", roomID: id, eventType: type, content: {
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"type": type,
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"event_id": messageID,
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"sender": client.userID,
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"status": 0,
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"origin_server_ts": now,
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"content": content
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});
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client.connection.onEvent.add(eventUpdate);
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await client.store?.transaction(() {
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client.store.storeEventUpdate(eventUpdate);
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return;
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});
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// Send the text and on success, store and display a *sent* event.
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final dynamic res = await _sendRawEventNow(content, txid: messageID);
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if (res is ErrorResponse || !(res["event_id"] is String)) {
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// On error, set status to -1
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eventUpdate.content["status"] = -1;
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eventUpdate.content["unsigned"] = {"transaction_id": messageID};
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client.connection.onEvent.add(eventUpdate);
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await client.store?.transaction(() {
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client.store.storeEventUpdate(eventUpdate);
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return;
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});
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} else {
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eventUpdate.content["status"] = 1;
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eventUpdate.content["unsigned"] = {"transaction_id": messageID};
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eventUpdate.content["event_id"] = res["event_id"];
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client.connection.onEvent.add(eventUpdate);
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await client.store?.transaction(() {
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client.store.storeEventUpdate(eventUpdate);
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return;
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});
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return res["event_id"];
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}
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return null;
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}
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/// Call the Matrix API to leave this room.
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Future<dynamic> leave() async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.POST, action: "/client/r0/rooms/${id}/leave");
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Call the Matrix API to forget this room if you already left it.
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Future<dynamic> forget() async {
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client.store.forgetRoom(id);
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.POST, action: "/client/r0/rooms/${id}/forget");
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Call the Matrix API to kick a user from this room.
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Future<dynamic> kick(String userID) async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.POST,
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action: "/client/r0/rooms/${id}/kick",
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data: {"user_id": userID});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Call the Matrix API to ban a user from this room.
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Future<dynamic> ban(String userID) async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.POST,
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action: "/client/r0/rooms/${id}/ban",
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data: {"user_id": userID});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Call the Matrix API to unban a banned user from this room.
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Future<dynamic> unban(String userID) async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.POST,
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action: "/client/r0/rooms/${id}/unban",
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data: {"user_id": userID});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Set the power level of the user with the [userID] to the value [power].
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Future<dynamic> setPower(String userID, int power) async {
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if (states["m.room.power_levels"] == null) return null;
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Map<String, int> powerMap = states["m.room.power_levels"].content["users"];
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powerMap[userID] = power;
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.PUT,
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action: "/client/r0/rooms/$id/state/m.room.power_levels",
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data: {"users": powerMap});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Call the Matrix API to invite a user to this room.
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Future<dynamic> invite(String userID) async {
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dynamic res = await client.connection.jsonRequest(
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type: HTTPType.POST,
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action: "/client/r0/rooms/${id}/invite",
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data: {"user_id": userID});
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if (res is ErrorResponse) client.connection.onError.add(res);
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return res;
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}
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/// Request more previous events from the server. [historyCount] defines how much events should
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/// be received maximum. When the request is answered, [onHistoryReceived] will be triggered **before**
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/// the historical events will be published in the onEvent stream.
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Future<void> requestHistory(
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{int historyCount = DefaultHistoryCount, onHistoryReceived}) async {
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final dynamic resp = await client.connection.jsonRequest(
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type: HTTPType.GET,
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action:
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"/client/r0/rooms/$id/messages?from=${prev_batch}&dir=b&limit=$historyCount&filter=${Connection.syncFilters}");
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if (resp is ErrorResponse) return;
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if (onHistoryReceived != null) onHistoryReceived();
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prev_batch = resp["end"];
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client.store?.storeRoomPrevBatch(this);
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if (!(resp["chunk"] is List<dynamic> &&
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resp["chunk"].length > 0 &&
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resp["end"] is String)) return;
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if (resp["state"] is List<dynamic>) {
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client.store?.transaction(() {
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for (int i = 0; i < resp["state"].length; i++) {
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EventUpdate eventUpdate = EventUpdate(
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type: "state",
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roomID: id,
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eventType: resp["state"][i]["type"],
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content: resp["state"][i],
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);
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client.connection.onEvent.add(eventUpdate);
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client.store.storeEventUpdate(eventUpdate);
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}
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return;
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});
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if (client.store == null) {
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for (int i = 0; i < resp["state"].length; i++) {
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EventUpdate eventUpdate = EventUpdate(
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type: "state",
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roomID: id,
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eventType: resp["state"][i]["type"],
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content: resp["state"][i],
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);
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client.connection.onEvent.add(eventUpdate);
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}
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}
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}
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List<dynamic> history = resp["chunk"];
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client.store?.transaction(() {
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for (int i = 0; i < history.length; i++) {
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EventUpdate eventUpdate = EventUpdate(
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type: "history",
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roomID: id,
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eventType: history[i]["type"],
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|
content: history[i],
|
|
);
|
|
client.connection.onEvent.add(eventUpdate);
|
|
client.store.storeEventUpdate(eventUpdate);
|
|
client.store.txn.rawUpdate(
|
|
"UPDATE Rooms SET prev_batch=? WHERE room_id=?", [resp["end"], id]);
|
|
}
|
|
return;
|
|
});
|
|
if (client.store == null) {
|
|
for (int i = 0; i < history.length; i++) {
|
|
EventUpdate eventUpdate = EventUpdate(
|
|
type: "history",
|
|
roomID: id,
|
|
eventType: history[i]["type"],
|
|
content: history[i],
|
|
);
|
|
client.connection.onEvent.add(eventUpdate);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Sets this room as a direct chat for this user.
|
|
Future<dynamic> addToDirectChat(String userID) async {
|
|
Map<String, dynamic> directChats = client.directChats;
|
|
if (directChats.containsKey(userID)) if (!directChats[userID].contains(id))
|
|
directChats[userID].add(id);
|
|
else
|
|
return null; // Is already in direct chats
|
|
else
|
|
directChats[userID] = [id];
|
|
|
|
final resp = await client.connection.jsonRequest(
|
|
type: HTTPType.PUT,
|
|
action: "/client/r0/user/${client.userID}/account_data/m.direct",
|
|
data: directChats);
|
|
return resp;
|
|
}
|
|
|
|
/// Sends *m.fully_read* and *m.read* for the given event ID.
|
|
Future<dynamic> sendReadReceipt(String eventID) async {
|
|
final dynamic resp = client.connection.jsonRequest(
|
|
type: HTTPType.POST,
|
|
action: "/client/r0/rooms/$id/read_markers",
|
|
data: {
|
|
"m.fully_read": eventID,
|
|
"m.read": eventID,
|
|
});
|
|
return resp;
|
|
}
|
|
|
|
/// Returns a Room from a json String which comes normally from the store. If the
|
|
/// state are also given, the method will await them.
|
|
static Future<Room> getRoomFromTableRow(
|
|
Map<String, dynamic> row, Client matrix,
|
|
{Future<List<Map<String, dynamic>>> states,
|
|
Future<List<Map<String, dynamic>>> roomAccountData}) async {
|
|
Room newRoom = Room(
|
|
id: row["room_id"],
|
|
membership: Membership.values
|
|
.firstWhere((e) => e.toString() == 'Membership.' + row["membership"]),
|
|
notificationCount: row["notification_count"],
|
|
highlightCount: row["highlight_count"],
|
|
notificationSettings: row["notification_settings"],
|
|
prev_batch: row["prev_batch"],
|
|
mInvitedMemberCount: row["invited_member_count"],
|
|
mJoinedMemberCount: row["joined_member_count"],
|
|
mHeroes: row["heroes"]?.split(",") ?? [],
|
|
client: matrix,
|
|
states: {},
|
|
roomAccountData: {},
|
|
);
|
|
|
|
Map<String, RoomState> newStates = {};
|
|
if (states != null) {
|
|
List<Map<String, dynamic>> rawStates = await states;
|
|
for (int i = 0; i < rawStates.length; i++) {
|
|
RoomState newState = RoomState.fromJson(rawStates[i], newRoom);
|
|
newStates[newState.key] = newState;
|
|
}
|
|
newRoom.states = newStates;
|
|
}
|
|
|
|
Map<String, RoomAccountData> newRoomAccountData = {};
|
|
if (roomAccountData != null) {
|
|
List<Map<String, dynamic>> rawRoomAccountData = await roomAccountData;
|
|
for (int i = 0; i < rawRoomAccountData.length; i++) {
|
|
RoomAccountData newData =
|
|
RoomAccountData.fromJson(rawRoomAccountData[i], newRoom);
|
|
newRoomAccountData[newData.typeKey] = newData;
|
|
}
|
|
newRoom.roomAccountData = newRoomAccountData;
|
|
}
|
|
|
|
return newRoom;
|
|
}
|
|
|
|
/// Creates a timeline from the store. Returns a [Timeline] object.
|
|
Future<Timeline> getTimeline(
|
|
{onTimelineUpdateCallback onUpdate,
|
|
onTimelineInsertCallback onInsert}) async {
|
|
List<Event> events = [];
|
|
if (client.store != null)
|
|
events = await client.store.getEventList(this);
|
|
else {
|
|
prev_batch = "";
|
|
requestHistory();
|
|
}
|
|
return Timeline(
|
|
room: this,
|
|
events: events,
|
|
onUpdate: onUpdate,
|
|
onInsert: onInsert,
|
|
);
|
|
}
|
|
|
|
/// Load all participants for a given room from the store.
|
|
@deprecated
|
|
Future<List<User>> loadParticipants() async {
|
|
return await client.store.loadParticipants(this);
|
|
}
|
|
|
|
/// Returns all participants for this room. With lazy loading this
|
|
/// list may not be complete. User [requestParticipants] in this
|
|
/// case.
|
|
List<User> getParticipants() {
|
|
List<User> userList = [];
|
|
for (var entry in states.entries)
|
|
if (entry.value.type == EventTypes.RoomMember)
|
|
userList.add(entry.value.asUser);
|
|
return userList;
|
|
}
|
|
|
|
/// Request the full list of participants from the server. The local list
|
|
/// from the store is not complete if the client uses lazy loading.
|
|
Future<List<User>> requestParticipants() async {
|
|
List<User> participants = [];
|
|
|
|
dynamic res = await client.connection.jsonRequest(
|
|
type: HTTPType.GET, action: "/client/r0/rooms/${id}/members");
|
|
if (res is ErrorResponse || !(res["chunk"] is List<dynamic>))
|
|
return participants;
|
|
|
|
for (num i = 0; i < res["chunk"].length; i++) {
|
|
User newUser = RoomState.fromJson(res["chunk"][i], this).asUser;
|
|
if (newUser.membership != Membership.leave) participants.add(newUser);
|
|
}
|
|
|
|
return participants;
|
|
}
|
|
|
|
Future<User> getUserByMXID(String mxID) async {
|
|
if (states[mxID] != null) return states[mxID].asUser;
|
|
final dynamic resp = await client.connection.jsonRequest(
|
|
type: HTTPType.GET,
|
|
action: "/client/r0/rooms/$id/state/m.room.member/$mxID");
|
|
if (resp is ErrorResponse) return null;
|
|
return User(mxID,
|
|
displayName: resp["displayname"],
|
|
avatarUrl: resp["avatar_url"],
|
|
room: this);
|
|
}
|
|
|
|
/// Searches for the event in the store. If it isn't found, try to request it
|
|
/// from the server. Returns null if not found.
|
|
Future<Event> getEventById(String eventID) async {
|
|
if (client.store != null) {
|
|
final Event storeEvent = await client.store.getEventById(eventID, this);
|
|
if (storeEvent != null) return storeEvent;
|
|
}
|
|
final dynamic resp = await client.connection.jsonRequest(
|
|
type: HTTPType.GET, action: "/client/r0/rooms/$id/event/$eventID");
|
|
if (resp is ErrorResponse) return null;
|
|
return Event.fromJson(resp, this);
|
|
}
|
|
|
|
/// Returns the power level of the given user ID.
|
|
int getPowerLevelByUserId(String userId) {
|
|
int powerLevel = 0;
|
|
RoomState powerLevelState = states["m.room.power_levels"];
|
|
if (powerLevelState == null) return powerLevel;
|
|
if (powerLevelState.content["users_default"] is int)
|
|
powerLevel = powerLevelState.content["users_default"];
|
|
if (powerLevelState.content["users"] is Map<String, dynamic> &&
|
|
powerLevelState.content["users"][userId] != null)
|
|
powerLevel = powerLevelState.content["users"][userId];
|
|
return powerLevel;
|
|
}
|
|
|
|
/// Returns the user's own power level.
|
|
int get ownPowerLevel => getPowerLevelByUserId(client.userID);
|
|
|
|
/// Returns the power levels from all users for this room or null if not given.
|
|
Map<String, int> get powerLevels {
|
|
RoomState powerLevelState = states["m.room.power_levels"];
|
|
if (powerLevelState.content["users"] is Map<String, int>)
|
|
return powerLevelState.content["users"];
|
|
return null;
|
|
}
|
|
|
|
/// Uploads a new user avatar for this room. Returns ErrorResponse if something went wrong
|
|
/// and the event ID otherwise.
|
|
Future<dynamic> setAvatar(File file) async {
|
|
final uploadResp = await client.connection.upload(file);
|
|
if (uploadResp is ErrorResponse) return uploadResp;
|
|
final setAvatarResp = await client.connection.jsonRequest(
|
|
type: HTTPType.PUT,
|
|
action: "/client/r0/rooms/$id/state/m.room.avatar/",
|
|
data: {"url": uploadResp});
|
|
if (setAvatarResp is ErrorResponse) return setAvatarResp;
|
|
return setAvatarResp["event_id"];
|
|
}
|
|
}
|