02ea4f2475
Avoids display of phantom messages that are only received and marked read locally long after they have expired on another linked device.
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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;(function() {
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'use strict';
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window.Whisper = window.Whisper || {};
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Whisper.ReadReceipts = new (Backbone.Collection.extend({
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initialize: function() {
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this.on('add', this.onReceipt);
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},
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forMessage: function(message) {
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var receipt = this.findWhere({
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sender: message.get('source'),
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timestamp: message.get('sent_at')
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});
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if (receipt) {
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console.log('Found early read receipt for message');
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this.remove(receipt);
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return receipt;
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}
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},
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onReceipt: function(receipt) {
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var messages = new Whisper.MessageCollection();
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messages.fetchSentAt(receipt.get('timestamp')).then(function() {
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var message = messages.find(function(message) {
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return (message.isIncoming() && message.isUnread() &&
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message.get('source') === receipt.get('sender'));
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});
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if (message) {
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this.remove(receipt);
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message.markRead(receipt.get('read_at')).then(function() {
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var conversation = ConversationController.get({
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id: message.get('conversationId')
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});
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if (conversation) {
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// notify frontend listeners
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conversation.trigger('read', message);
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}
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});
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} else {
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console.log('No message for read receipt');
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}
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}.bind(this));
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}
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}))();
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})();
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