mirror of https://github.com/vector-im/riot-web
39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
/*
|
|
Copyright 2016 - 2021 The Matrix.org Foundation C.I.C.
|
|
|
|
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 { MatrixEvent } from "matrix-js-sdk/src/models/event";
|
|
|
|
/**
|
|
* Given MatrixEvent containing receipts, return the first
|
|
* read receipt from the given user ID, or null if no such
|
|
* receipt exists.
|
|
*
|
|
* @param {Object} receiptEvent A Matrix Event
|
|
* @param {string} userId A user ID
|
|
* @returns {Object} Read receipt
|
|
*/
|
|
export function findReadReceiptFromUserId(receiptEvent: MatrixEvent, userId: string): object | null {
|
|
const receiptKeys = Object.keys(receiptEvent.getContent());
|
|
for (let i = 0; i < receiptKeys.length; ++i) {
|
|
const rcpt = receiptEvent.getContent()[receiptKeys[i]];
|
|
if (rcpt['m.read'] && rcpt['m.read'][userId]) {
|
|
return rcpt;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|