142 lines
4.4 KiB
JavaScript
142 lines
4.4 KiB
JavaScript
// Copyright 2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* global
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Backbone,
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Whisper,
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MessageController,
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ConversationController
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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.Reactions = new (Backbone.Collection.extend({
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forMessage(message) {
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if (message.isOutgoing()) {
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const outgoingReactions = this.filter({
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targetTimestamp: message.get('sent_at'),
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});
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if (outgoingReactions.length > 0) {
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window.log.info('Found early reaction for outgoing message');
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this.remove(outgoingReactions);
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return outgoingReactions;
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}
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}
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const senderId = message.getContactId();
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const sentAt = message.get('sent_at');
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const reactionsBySource = this.filter(re => {
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const targetSenderId = ConversationController.ensureContactIds({
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e164: re.get('targetAuthorE164'),
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uuid: re.get('targetAuthorUuid'),
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});
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const targetTimestamp = re.get('targetTimestamp');
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return targetSenderId === senderId && targetTimestamp === sentAt;
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});
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if (reactionsBySource.length > 0) {
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window.log.info('Found early reaction for message');
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this.remove(reactionsBySource);
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return reactionsBySource;
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}
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return [];
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},
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async onReaction(reaction) {
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try {
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// The conversation the target message was in; we have to find it in the database
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// to to figure that out.
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const targetConversation = await ConversationController.getConversationForTargetMessage(
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ConversationController.ensureContactIds({
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e164: reaction.get('targetAuthorE164'),
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uuid: reaction.get('targetAuthorUuid'),
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}),
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reaction.get('targetTimestamp')
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);
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if (!targetConversation) {
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window.log.info(
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'No target conversation for reaction',
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reaction.get('targetAuthorE164'),
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reaction.get('targetAuthorUuid'),
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reaction.get('targetTimestamp')
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);
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return;
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}
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// awaiting is safe since `onReaction` is never called from inside the queue
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await targetConversation.queueJob(async () => {
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window.log.info(
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'Handling reaction for',
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reaction.get('targetTimestamp')
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);
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const messages = await window.Signal.Data.getMessagesBySentAt(
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reaction.get('targetTimestamp'),
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{
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MessageCollection: Whisper.MessageCollection,
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}
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);
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// Message is fetched inside the conversation queue so we have the
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// most recent data
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const targetMessage = messages.find(m => {
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const contact = m.getContact();
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if (!contact) {
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return false;
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}
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const mcid = contact.get('id');
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const recid = ConversationController.ensureContactIds({
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e164: reaction.get('targetAuthorE164'),
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uuid: reaction.get('targetAuthorUuid'),
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});
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return mcid === recid;
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});
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if (!targetMessage) {
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window.log.info(
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'No message for reaction',
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reaction.get('targetAuthorE164'),
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reaction.get('targetAuthorUuid'),
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reaction.get('targetTimestamp')
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);
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// Since we haven't received the message for which we are removing a
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// reaction, we can just remove those pending reactions
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if (reaction.get('remove')) {
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this.remove(reaction);
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const oldReaction = this.where({
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targetAuthorE164: reaction.get('targetAuthorE164'),
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targetAuthorUuid: reaction.get('targetAuthorUuid'),
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targetTimestamp: reaction.get('targetTimestamp'),
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emoji: reaction.get('emoji'),
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});
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oldReaction.forEach(r => this.remove(r));
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}
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return;
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}
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const message = MessageController.register(
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targetMessage.id,
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targetMessage
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);
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await message.handleReaction(reaction);
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this.remove(reaction);
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});
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} catch (error) {
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window.log.error(
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'Reactions.onReaction 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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