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@ -5,7 +5,6 @@ var async = require('async'),
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db = require('../database'),
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meta = require('../meta'),
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user = require('../user'),
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_ = require('underscore'),
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plugins = require('../plugins');
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@ -323,43 +322,33 @@ module.exports = function(Topics) {
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});
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};
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Topics.getRelatedTopics = function(topicData, callback) {
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var maximumTopics = typeof meta.config.maximumRelatedTopics !== 'undefined' ? parseInt(meta.config.maximumRelatedTopics, 10) : 5;
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Topics.getRelatedTopics = function(topicData, uid, callback) {
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if (plugins.hasListeners('filter:topic.getRelatedTopics')) {
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return plugins.fireHook('filter:topic.getRelatedTopics', {topic: topicData, uid: uid}, callback);
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}
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var maximumTopics = parseInt(meta.config.maximumRelatedTopics, 10) || 5;
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if (!topicData.tags.length || maximumTopics === 0) {
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return callback(null, topicData);
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}
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var related = [];
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user.isAdministrator(topicData.threadTools.uid, function(err, isAdministrator) {
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async.each(topicData.tags, function(tag, next) {
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tag = tag.value;
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Topics.getTagTids(tag, 0, 5, function(err, tids) {
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Topics.getTopics(tids, topicData.threadTools.uid, function(err, topics) {
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related = related.concat(topics.filter(function(topic) {
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var doesntOwnTopic = parseInt(topic.uid, 10) !== parseInt(topicData.threadTools.uid, 10);
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var isntSameTopic = parseInt(topic.tid, 10) !== parseInt(topicData.threadTools.topic.tid, 10);
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return doesntOwnTopic && isntSameTopic;
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}));
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next(err);
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});
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async.waterfall([
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function (next) {
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async.map(topicData.tags, function (tag, next) {
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Topics.getTagTids(tag.value, 0, 5, next);
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}, next);
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},
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function (tids, next) {
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tids = _.shuffle(_.unique(_.flatten(tids))).slice(0, maximumTopics);
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Topics.getTopics(tids, uid, next);
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},
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function (topics, next) {
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topics = topics.filter(function(topic) {
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return topic && !topic.deleted && parseInt(topic.uid, 10) !== parseInt(uid, 10);
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});
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}, function(err) {
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if (!isAdministrator) {
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related = related.filter(function(topic) {
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return topic && !topic.deleted;
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});
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}
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related = _.shuffle(related).slice(0, maximumTopics);
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topicData.related = related;
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callback(err, topicData);
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});
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});
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next(null, topics);
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}
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], callback);
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};
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};
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barisusakli
9 years ago