59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Copyright 2020 The Matrix.org Foundation C.I.C.
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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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import {groupBy} from "../utils/groupBy";
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export function makeTxnId() {
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return makeId("t");
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}
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export function makeId(prefix) {
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const n = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER);
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const str = n.toString(16);
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return prefix + "0".repeat(14 - str.length) + str;
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}
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export function isTxnId(txnId) {
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return txnId.startsWith("t") && txnId.length === 15;
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}
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export function formatToDeviceMessagesPayload(messages) {
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const messagesByUser = groupBy(messages, message => message.device.userId);
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const payload = {
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messages: Array.from(messagesByUser.entries()).reduce((userMap, [userId, messages]) => {
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userMap[userId] = messages.reduce((deviceMap, message) => {
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deviceMap[message.device.deviceId] = message.content;
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return deviceMap;
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}, {});
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return userMap;
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}, {})
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};
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return payload;
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}
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export function tests() {
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return {
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"isTxnId succeeds on result of makeTxnId": assert => {
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assert(isTxnId(makeTxnId()));
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},
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"isTxnId fails on event id": assert => {
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assert(!isTxnId("$yS_n5n3cIO2aTtek0_2ZSlv-7g4YYR2zKrk2mFCW_rm"));
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},
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}
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}
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