106 lines
3.1 KiB
JavaScript
106 lines
3.1 KiB
JavaScript
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/*
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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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function destroyExpiredMessages() {
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// Load messages that have expired and destroy them
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var expired = new Whisper.MessageCollection();
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expired.on('add', function(message) {
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console.log('message', message.get('sent_at'), 'expired');
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message.getConversation().trigger('expired', message);
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// We delete after the trigger to allow the conversation time to process
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// the expiration before the message is removed from the database.
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message.destroy();
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});
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expired.on('reset', checkExpiringMessages);
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expired.fetchExpired();
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}
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var timeout;
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function checkExpiringMessages() {
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// Look up the next expiring message and set a timer to destroy it
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var expiring = new Whisper.MessageCollection();
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expiring.once('add', function(next) {
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var expires_at = next.get('expires_at');
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console.log('next message expires', new Date(expires_at).toISOString());
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var wait = expires_at - Date.now();
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if (wait < 0) { wait = 0; }
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clearTimeout(timeout);
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timeout = setTimeout(destroyExpiredMessages, wait);
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});
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expiring.fetchNextExpiring();
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}
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Whisper.ExpiringMessagesListener = {
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init: function(events) {
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checkExpiringMessages();
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events.on('timetravel', checkExpiringMessages);
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},
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update: checkExpiringMessages
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};
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var TimerOption = Backbone.Model.extend({
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getName: function() {
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return i18n([
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'timerOption', this.get('time'), this.get('unit'),
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].join('_')) || moment.duration(this.get('time'), this.get('unit')).humanize();
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},
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getAbbreviated: function() {
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return i18n([
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'timerOption', this.get('time'), this.get('unit'), 'abbreviated'
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].join('_'));
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}
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});
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Whisper.ExpirationTimerOptions = new (Backbone.Collection.extend({
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model: TimerOption,
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getName: function(seconds) {
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if (!seconds) {
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seconds = 0;
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}
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var o = this.findWhere({seconds: seconds});
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if (o) { return o.getName(); }
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else {
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return [seconds, 'seconds'].join(' ');
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}
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},
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getAbbreviated: function(seconds) {
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if (!seconds) {
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seconds = 0;
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}
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var o = this.findWhere({seconds: seconds});
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if (o) { return o.getAbbreviated(); }
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else {
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return [seconds, 's'].join('');
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}
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}
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}))([
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[ 0, 'seconds' ],
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[ 5, 'seconds' ],
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[ 10, 'seconds' ],
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[ 30, 'seconds' ],
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[ 1, 'minute' ],
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[ 5, 'minutes' ],
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[ 30, 'minutes' ],
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[ 1, 'hour' ],
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[ 6, 'hours' ],
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[ 12, 'hours' ],
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[ 1, 'day' ],
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[ 1, 'week' ],
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].map(function(o) {
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var duration = moment.duration(o[0], o[1]); // 5, 'seconds'
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return {
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time: o[0],
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unit: o[1],
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seconds: duration.asSeconds()
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};
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}));
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})();
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