mirror of
https://github.com/element-hq/element-web.git
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53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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module.exports = {
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/**
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* Given a room object, return the alias we should use for it,
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* if any. This could be the canonical alias if one exists, otherwise
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* an alias selected arbitrarily but deterministically from the list
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* of aliases. Otherwise return null;
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*/
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getDisplayAliasForRoom: function(room) {
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return room.getCanonicalAlias() || room.getAliases()[0];
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},
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/**
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* Given a list of room objects, return the room which has the given alias,
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* else null.
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*/
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getRoomForAlias: function(rooms, room_alias) {
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var room;
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for (var i = 0; i < rooms.length; i++) {
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var aliasEvents = rooms[i].currentState.getStateEvents(
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"m.room.aliases"
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);
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for (var j = 0; j < aliasEvents.length; j++) {
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var aliases = aliasEvents[j].getContent().aliases || [];
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for (var k = 0; k < aliases.length; k++) {
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if (aliases[k] === room_alias) {
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room = rooms[i];
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break;
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}
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}
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if (room) { break; }
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}
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if (room) { break; }
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}
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return room || null;
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}
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}
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