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

'use strict';
var async = require('async');
var db = require('../database');
var privileges = require('../privileges');
var user = require('../user');
var meta = require('../meta');
module.exports = function (Topics) {
Topics.getTopTopics = function (cid, uid, start, stop, filter, callback) {
var topTopics = {
nextStart: 0,
topics: [],
};
if (cid && !Array.isArray(cid)) {
cid = [cid];
}
async.waterfall([
function (next) {
var key = 'topics:votes';
if (cid) {
key = cid.map(function (cid) {
return 'cid:' + cid + ':tids:votes';
});
}
db.getSortedSetRevRange(key, 0, 199, next);
},
function (tids, next) {
filterTids(tids, uid, filter, cid, next);
},
function (tids, next) {
topTopics.topicCount = tids.length;
tids = tids.slice(start, stop !== -1 ? stop + 1 : undefined);
Topics.getTopicsByTids(tids, uid, next);
},
function (topicData, next) {
topTopics.topics = topicData;
topTopics.nextStart = stop + 1;
next(null, topTopics);
},
], callback);
};
function filterTids(tids, uid, filter, cid, callback) {
async.waterfall([
function (next) {
if (filter === 'watched') {
Topics.filterWatchedTids(tids, uid, next);
} else if (filter === 'new') {
Topics.filterNewTids(tids, uid, next);
} else if (filter === 'unreplied') {
Topics.filterUnrepliedTids(tids, next);
} else {
Topics.filterNotIgnoredTids(tids, uid, next);
}
},
function (tids, next) {
privileges.topics.filterTids('read', tids, uid, next);
},
function (tids, next) {
async.parallel({
ignoredCids: function (next) {
if (filter === 'watched' || parseInt(meta.config.disableRecentCategoryFilter, 10) === 1) {
return next(null, []);
}
user.getIgnoredCategories(uid, next);
},
topicData: function (next) {
Topics.getTopicsFields(tids, ['tid', 'cid'], next);
},
}, next);
},
function (results, next) {
cid = cid && cid.map(String);
tids = results.topicData.filter(function (topic) {
if (topic && topic.cid) {
return results.ignoredCids.indexOf(topic.cid.toString()) === -1 && (!cid || (cid.length && cid.indexOf(topic.cid.toString()) !== -1));
}
return false;
}).map(function (topic) {
return topic.tid;
});
next(null, tids);
},
], callback);
}
};