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'use strict';
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var db = require('../database'),
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async = require('async'),
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winston = require('winston'),
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cronJob = require('cron').CronJob,
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nconf = require('nconf'),
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user = require('../user'),
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topics = require('../topics'),
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emailer = require('../emailer'),
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meta = require('../meta');
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module.exports = function(User) {
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User.startJobs = function() {
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winston.info('[user.startJobs] Registering User Jobs');
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new cronJob('0 0 17 * * *', function() {
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User.sendDailyDigests();
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}, null, true);
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};
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User.sendDailyDigests = function() {
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var digestsDisabled = meta.config.disableEmailSubscriptions !== undefined && parseInt(meta.config.disableEmailSubscriptions, 10) === 1;
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if (digestsDisabled) {
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return winston.log('[user/jobs] Did not send daily digests because subscription system is disabled.');
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}
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async.parallel({
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recent: function(next) {
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topics.getLatestTopics(0, 0, 10, 'day', next);
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},
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uids: function(next) {
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db.getSortedSetRange('users:joindate', 0, -1, next);
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}
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}, function(err, data) {
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if (err) {
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return winston.error('[user/jobs] Could not send daily digests: ' + err.message);
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}
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User.getMultipleUserSettings(data.uids, function(err, userSettings) {
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if (err) {
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return winston.error('[user/jobs] Could not send daily digests: ' + err.message);
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}
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var subscribed = userSettings.filter(function(setting) {
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return setting.dailyDigestFreq === 'daily';
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}).map(function(setting) {
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return setting.uid;
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});
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sendEmails(subscribed, data.recent.topics);
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});
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});
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};
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function sendEmails(uids, recentTopics) {
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var now = new Date();
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User.getMultipleUserFields(uids, ['uid', 'username', 'lastonline'], function(err, users) {
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if (err) {
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return winston.error('[user/jobs] Could not send daily digests: ' + err.message);
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}
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// Consider using eachLimit, but *only* if people complain about email relays choking -- otherwise we're ok.
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async.eachLimit(users, 100, function(userObj, next) {
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user.notifications.getDailyUnread(userObj.uid, function(err, notifications) {
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if (err) {
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winston.error('[user/jobs] Could not send daily digests: ' + err.message);
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return next(err);
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}
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// Remove expired notifications
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notifications = notifications.filter(Boolean);
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// Turn relative URLs into absolute ones
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for(var i=0; i<notifications.length; ++i) {
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if (notifications[i].image.indexOf('http') !== 0) {
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notifications[i].image = nconf.get('url') + notifications[i].image;
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}
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}
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// Send daily digest email
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// winston.info('[user/notifications] Sending Daily Digest to uid ' + userObj.uid);
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emailer.send('dailydigest', userObj.uid, {
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subject: '[' + meta.config.title + '] Daily Digest for ' + now.getFullYear()+ '/' + (now.getMonth()+1) + '/' + now.getDate(),
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username: userObj.username,
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url: nconf.get('url'),
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site_title: meta.config.title || meta.config.browserTitle || 'NodeBB',
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notifications: notifications,
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recent: recentTopics
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});
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next();
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});
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}, function(err) {
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// When finished...
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if (!err) {
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winston.info('[user/jobs] Daily Digests sent!');
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} else {
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winston.error('[user/jobs] Could not send daily digests: ' + err.message);
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}
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});
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});
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}
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};
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