session-desktop/js/read_syncs.js

102 lines
3.2 KiB
JavaScript

/* global Backbone, Whisper */
/* eslint-disable more/no-then */
// eslint-disable-next-line func-names
(function() {
'use strict';
window.Whisper = window.Whisper || {};
Whisper.ReadSyncs = new (Backbone.Collection.extend({
forMessage(message) {
const receipt = this.findWhere({
sender: message.get('source'),
timestamp: message.get('sent_at'),
});
if (receipt) {
window.log.info('Found early read sync for message');
this.remove(receipt);
return receipt;
}
return null;
},
async onReceipt(receipt) {
try {
const messages = await window.Signal.Data.getMessagesBySentAt(
receipt.get('timestamp'),
{
MessageCollection: Whisper.MessageCollection,
}
);
const message = messages.find(
item =>
item.isIncoming() && item.get('source') === receipt.get('sender')
);
const notificationForMessage = message
? Whisper.Notifications.findWhere({ messageId: message.id })
: null;
const removedNotification = Whisper.Notifications.remove(
notificationForMessage
);
const receiptSender = receipt.get('sender');
const receiptTimestamp = receipt.get('timestamp');
const wasMessageFound = Boolean(message);
const wasNotificationFound = Boolean(notificationForMessage);
const wasNotificationRemoved = Boolean(removedNotification);
window.log.info('Receive read sync:', {
receiptSender,
receiptTimestamp,
wasMessageFound,
wasNotificationFound,
wasNotificationRemoved,
});
if (!message) {
return;
}
const readAt = receipt.get('read_at');
// If message is unread, we mark it read. Otherwise, we update the expiration
// timer to the time specified by the read sync if it's earlier than
// the previous read time.
if (message.isUnread()) {
await message.markRead(readAt);
// onReadMessage may result in messages older than this one being
// marked read. We want those messages to have the same expire timer
// start time as this one, so we pass the readAt value through.
const conversation = message.getConversation();
if (conversation) {
conversation.onReadMessage(message, readAt);
}
} else {
const now = Date.now();
const existingTimestamp = message.get('expirationStartTimestamp');
const expirationStartTimestamp = Math.min(
now,
Math.min(existingTimestamp || now, readAt || now)
);
message.set({ expirationStartTimestamp });
const force = true;
await message.setToExpire(force);
const conversation = message.getConversation();
if (conversation) {
conversation.trigger('expiration-change', message);
}
}
this.remove(receipt);
} catch (error) {
window.log.error(
'ReadSyncs.onReceipt error:',
error && error.stack ? error.stack : error
);
}
},
}))();
})();