element-web/src/utils/Receipt.js
Luke Barnard d3f9a3aeb5 Run eslint --fix
Fixing 1000s of lint issues. Some rules cannot be `--fix`ed but this goes some way to linting the entire codebase.
2017-10-11 17:56:17 +01:00

32 lines
1 KiB
JavaScript

/*
Copyright 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.
*/
/**
* Given MatrixEvent containing receipts, return the first
* read receipt from the given user ID, or null if no such
* receipt exists.
*/
export function findReadReceiptFromUserId(receiptEvent, userId) {
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;
}