You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
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'use strict';
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var async = require('async');
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var db = require('../database');
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var privileges = require('../privileges');
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var user = require('../user');
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var meta = require('../meta');
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module.exports = function (Topics) {
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Topics.getTopTopics = function (cid, uid, start, stop, filter, callback) {
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var topTopics = {
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nextStart: 0,
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topics: [],
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};
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if (cid && !Array.isArray(cid)) {
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cid = [cid];
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}
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async.waterfall([
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function (next) {
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var key = 'topics:votes';
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if (cid) {
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key = cid.map(function (cid) {
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return 'cid:' + cid + ':tids:votes';
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});
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}
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db.getSortedSetRevRange(key, 0, 199, next);
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},
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function (tids, next) {
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filterTids(tids, uid, filter, cid, next);
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},
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function (tids, next) {
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topTopics.topicCount = tids.length;
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tids = tids.slice(start, stop !== -1 ? stop + 1 : undefined);
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Topics.getTopicsByTids(tids, uid, next);
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},
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function (topicData, next) {
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topTopics.topics = topicData;
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topTopics.nextStart = stop + 1;
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next(null, topTopics);
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},
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], callback);
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};
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function filterTids(tids, uid, filter, cid, callback) {
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async.waterfall([
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function (next) {
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if (filter === 'watched') {
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Topics.filterWatchedTids(tids, uid, next);
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} else if (filter === 'new') {
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Topics.filterNewTids(tids, uid, next);
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} else if (filter === 'unreplied') {
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Topics.filterUnrepliedTids(tids, next);
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} else {
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Topics.filterNotIgnoredTids(tids, uid, next);
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}
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},
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function (tids, next) {
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privileges.topics.filterTids('read', tids, uid, next);
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},
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function (tids, next) {
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async.parallel({
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ignoredCids: function (next) {
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if (filter === 'watched' || parseInt(meta.config.disableRecentCategoryFilter, 10) === 1) {
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return next(null, []);
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}
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user.getIgnoredCategories(uid, next);
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},
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topicData: function (next) {
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Topics.getTopicsFields(tids, ['tid', 'cid'], next);
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},
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}, next);
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},
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function (results, next) {
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cid = cid && cid.map(String);
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tids = results.topicData.filter(function (topic) {
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if (topic && topic.cid) {
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return results.ignoredCids.indexOf(topic.cid.toString()) === -1 && (!cid || (cid.length && cid.indexOf(topic.cid.toString()) !== -1));
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}
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return false;
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}).map(function (topic) {
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return topic.tid;
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});
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next(null, tids);
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},
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], callback);
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}
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};
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