signal-desktop/js/deletes.js

94 lines
2.4 KiB
JavaScript

/* global
Backbone,
Whisper,
MessageController,
ConversationController
*/
/* eslint-disable more/no-then */
// eslint-disable-next-line func-names
(function() {
'use strict';
window.Whisper = window.Whisper || {};
Whisper.Deletes = new (Backbone.Collection.extend({
forMessage(message) {
const matchingDeletes = this.filter({
targetSentTimestamp: message.get('sent_at'),
fromId: message.getContact().get('id'),
});
if (matchingDeletes.length > 0) {
window.log.info('Found early DOE for message');
this.remove(matchingDeletes);
return matchingDeletes;
}
return [];
},
async onDelete(del) {
try {
// The contact the delete message came from
const fromContact = ConversationController.get(del.get('fromId'));
if (!fromContact) {
window.log.info(
'No contact for DOE',
del.get('fromId'),
del.get('targetSentTimestamp')
);
return;
}
// Do not await, since this can deadlock the queue
fromContact.queueJob(async () => {
window.log.info('Handling DOE for', del.get('targetSentTimestamp'));
const messages = await window.Signal.Data.getMessagesBySentAt(
del.get('targetSentTimestamp'),
{
MessageCollection: Whisper.MessageCollection,
}
);
const targetMessage = messages.find(m => {
const messageContact = m.getContact();
if (!messageContact) {
return false;
}
// Find messages which are from the same contact who sent the DOE
return messageContact.get('id') === fromContact.get('id');
});
if (!targetMessage) {
window.log.info(
'No message for DOE',
del.get('fromId'),
del.get('targetSentTimestamp')
);
return;
}
const message = MessageController.register(
targetMessage.id,
targetMessage
);
await window.Signal.Util.deleteForEveryone(message, del);
this.remove(del);
});
} catch (error) {
window.log.error(
'Deletes.onDelete error:',
error && error.stack ? error.stack : error
);
}
},
}))();
})();