126 lines
3.3 KiB
JavaScript
126 lines
3.3 KiB
JavaScript
// Copyright 2016-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* global
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Whisper,
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Backbone,
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_,
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ConversationController,
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MessageController,
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*/
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/* eslint-disable more/no-then */
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// eslint-disable-next-line func-names
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(function () {
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window.Whisper = window.Whisper || {};
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Whisper.ReadReceipts = new (Backbone.Collection.extend({
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forMessage(conversation, message) {
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if (!message.isOutgoing()) {
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return [];
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}
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let ids = [];
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if (conversation.isPrivate()) {
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ids = [conversation.id];
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} else {
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ids = conversation.getMemberIds();
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}
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const receipts = this.filter(
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receipt =>
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receipt.get('timestamp') === message.get('sent_at') &&
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_.contains(ids, receipt.get('reader'))
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);
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if (receipts.length) {
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window.log.info('Found early read receipts for message');
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this.remove(receipts);
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}
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return receipts;
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},
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async getTargetMessage(reader, messages) {
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if (messages.length === 0) {
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return null;
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}
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const message = messages.find(
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item => item.isOutgoing() && reader === item.get('conversationId')
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);
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if (message) {
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return MessageController.register(message.id, message);
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}
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const groups = await window.Signal.Data.getAllGroupsInvolvingId(reader, {
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ConversationCollection: Whisper.ConversationCollection,
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});
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const ids = groups.pluck('id');
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ids.push(reader);
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const target = messages.find(
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item => item.isOutgoing() && _.contains(ids, item.get('conversationId'))
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);
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if (!target) {
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return null;
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}
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return MessageController.register(target.id, target);
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},
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async onReceipt(receipt) {
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try {
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const messages = await window.Signal.Data.getMessagesBySentAt(
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receipt.get('timestamp'),
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{
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MessageCollection: Whisper.MessageCollection,
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}
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);
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const message = await this.getTargetMessage(
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receipt.get('reader'),
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messages
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);
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if (!message) {
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window.log.info(
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'No message for read receipt',
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receipt.get('reader'),
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receipt.get('timestamp')
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);
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return;
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}
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const readBy = message.get('read_by') || [];
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const expirationStartTimestamp = message.get(
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'expirationStartTimestamp'
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);
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readBy.push(receipt.get('reader'));
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message.set({
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read_by: readBy,
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expirationStartTimestamp: expirationStartTimestamp || Date.now(),
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sent: true,
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});
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if (message.isExpiring() && !expirationStartTimestamp) {
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await message.setToExpire(false, { skipSave: true });
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}
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await window.Signal.Data.saveMessage(message.attributes, {
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Message: Whisper.Message,
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});
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// notify frontend listeners
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const conversation = ConversationController.get(
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message.get('conversationId')
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);
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if (conversation) {
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conversation.trigger('read', message);
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}
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this.remove(receipt);
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} catch (error) {
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window.log.error(
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'ReadReceipts.onReceipt error:',
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error && error.stack ? error.stack : error
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);
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}
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},
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}))();
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})();
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