element-web/src/Rooms.js
David Baker 8962f7ae9e Convert CallHandler to typescript
and remove the old conference call stuff while we're at it: enough
time should have passed since those mistakes that we can move on.
The old conference call rooms will still appear for anyone whose
account dates back to that time, but they've presumably been appearing
in any other matrix client they used too.
2020-09-24 16:16:20 +01:00

141 lines
4.6 KiB
JavaScript

/*
Copyright 2015, 2016 OpenMarket Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import {MatrixClientPeg} from './MatrixClientPeg';
/**
* Given a room object, return the alias we should use for it,
* if any. This could be the canonical alias if one exists, otherwise
* an alias selected arbitrarily but deterministically from the list
* of aliases. Otherwise return null;
*/
export function getDisplayAliasForRoom(room) {
return room.getCanonicalAlias() || room.getAltAliases()[0];
}
export function looksLikeDirectMessageRoom(room, myUserId) {
const myMembership = room.getMyMembership();
const me = room.getMember(myUserId);
if (myMembership == "join" || myMembership === "ban" || (me && me.isKicked())) {
// Used to split rooms via tags
const tagNames = Object.keys(room.tags);
// Used for 1:1 direct chats
// Show 1:1 chats in seperate "Direct Messages" section as long as they haven't
// been moved to a different tag section
const totalMemberCount = room.currentState.getJoinedMemberCount() +
room.currentState.getInvitedMemberCount();
if (totalMemberCount === 2 && !tagNames.length) {
return true;
}
}
return false;
}
export function guessAndSetDMRoom(room, isDirect) {
let newTarget;
if (isDirect) {
const guessedUserId = guessDMRoomTargetId(
room, MatrixClientPeg.get().getUserId(),
);
newTarget = guessedUserId;
} else {
newTarget = null;
}
return setDMRoom(room.roomId, newTarget);
}
/**
* Marks or unmarks the given room as being as a DM room.
* @param {string} roomId The ID of the room to modify
* @param {string} userId The user ID of the desired DM
room target user or null to un-mark
this room as a DM room
* @returns {object} A promise
*/
export function setDMRoom(roomId, userId) {
if (MatrixClientPeg.get().isGuest()) {
return Promise.resolve();
}
const mDirectEvent = MatrixClientPeg.get().getAccountData('m.direct');
let dmRoomMap = {};
if (mDirectEvent !== undefined) dmRoomMap = mDirectEvent.getContent();
// remove it from the lists of any others users
// (it can only be a DM room for one person)
for (const thisUserId of Object.keys(dmRoomMap)) {
const roomList = dmRoomMap[thisUserId];
if (thisUserId != userId) {
const indexOfRoom = roomList.indexOf(roomId);
if (indexOfRoom > -1) {
roomList.splice(indexOfRoom, 1);
}
}
}
// now add it, if it's not already there
if (userId) {
const roomList = dmRoomMap[userId] || [];
if (roomList.indexOf(roomId) == -1) {
roomList.push(roomId);
}
dmRoomMap[userId] = roomList;
}
return MatrixClientPeg.get().setAccountData('m.direct', dmRoomMap);
}
/**
* Given a room, estimate which of its members is likely to
* be the target if the room were a DM room and return that user.
*
* @param {Object} room Target room
* @param {string} myUserId User ID of the current user
* @returns {string} User ID of the user that the room is probably a DM with
*/
function guessDMRoomTargetId(room, myUserId) {
let oldestTs;
let oldestUser;
// Pick the joined user who's been here longest (and isn't us),
for (const user of room.getJoinedMembers()) {
if (user.userId == myUserId) continue;
if (oldestTs === undefined || (user.events.member && user.events.member.getTs() < oldestTs)) {
oldestUser = user;
oldestTs = user.events.member.getTs();
}
}
if (oldestUser) return oldestUser.userId;
// if there are no joined members other than us, use the oldest member
for (const user of room.currentState.getMembers()) {
if (user.userId == myUserId) continue;
if (oldestTs === undefined || (user.events.member && user.events.member.getTs() < oldestTs)) {
oldestUser = user;
oldestTs = user.events.member.getTs();
}
}
if (oldestUser === undefined) return myUserId;
return oldestUser.userId;
}