86 lines
2.5 KiB
JavaScript
86 lines
2.5 KiB
JavaScript
import initMatrix from '../client/initMatrix';
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const WELL_KNOWN_URI = '/.well-known/matrix/client';
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async function getBaseUrl(servername) {
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let protocol = 'https://';
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if (servername.match(/^https?:\/\//) !== null) protocol = '';
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const serverDiscoveryUrl = `${protocol}${servername}${WELL_KNOWN_URI}`;
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try {
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const result = await (await fetch(serverDiscoveryUrl, { method: 'GET' })).json();
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const baseUrl = result?.['m.homeserver']?.base_url;
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if (baseUrl === undefined) throw new Error();
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return baseUrl;
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} catch (e) {
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throw new Error(`${protocol}${servername}`);
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}
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}
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function getUsername(userId) {
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const mx = initMatrix.matrixClient;
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const user = mx.getUser(userId);
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if (user === null) return userId;
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let username = user.displayName;
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if (typeof username === 'undefined') {
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username = userId;
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}
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return username;
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}
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function getUsernameOfRoomMember(roomMember) {
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return roomMember.name || roomMember.userId;
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}
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async function isRoomAliasAvailable(alias) {
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try {
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const myUserId = initMatrix.matrixClient.getUserId();
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const myServer = myUserId.slice(myUserId.indexOf(':') + 1);
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const result = await initMatrix.matrixClient.resolveRoomAlias(alias);
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const aliasIsRegisteredOnMyServer = typeof result.servers.find((server) => server === myServer) === 'string';
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if (aliasIsRegisteredOnMyServer) return false;
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return true;
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} catch (e) {
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if (e.errcode === 'M_NOT_FOUND') return true;
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if (e.errcode === 'M_INVALID_PARAM') throw new Error(e);
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return false;
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}
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}
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function doesRoomHaveUnread(room) {
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const userId = initMatrix.matrixClient.getUserId();
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const readUpToId = room.getEventReadUpTo(userId);
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const supportEvents = ['m.room.message', 'm.room.encrypted', 'm.sticker'];
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if (room.timeline.length
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&& room.timeline[room.timeline.length - 1].sender
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&& room.timeline[room.timeline.length - 1].sender.userId === userId
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&& room.timeline[room.timeline.length - 1].getType() !== 'm.room.member') {
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return false;
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}
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for (let i = room.timeline.length - 1; i >= 0; i -= 1) {
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const event = room.timeline[i];
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if (event.getId() === readUpToId) return false;
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if (supportEvents.includes(event.getType())) {
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return true;
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}
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}
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return true;
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}
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function getPowerLabel(powerLevel) {
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if (powerLevel > 9000) return 'Goku';
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if (powerLevel > 100) return 'Founder';
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if (powerLevel === 100) return 'Admin';
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if (powerLevel >= 50) return 'Mod';
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return null;
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}
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export {
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getBaseUrl, getUsername, getUsernameOfRoomMember,
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isRoomAliasAvailable, doesRoomHaveUnread, getPowerLabel,
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};
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