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125 lines
3.2 KiB
JavaScript
125 lines
3.2 KiB
JavaScript
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'use strict';
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var async = require('async'),
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S = require('string'),
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meta = require('../meta'),
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db = require('../database'),
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user = require('../user'),
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posts = require('../posts'),
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plugins = require('../plugins'),
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utils = require('../../public/src/utils');
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module.exports = function(Topics) {
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Topics.getTeasers = function(topics, callback) {
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if (!Array.isArray(topics) || !topics.length) {
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return callback(null, []);
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}
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var counts = [];
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var teaserPids = [];
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topics.forEach(function(topic) {
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counts.push(topic && (parseInt(topic.postcount, 10) || 0));
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if (topic) {
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if (meta.config.teaserPost === 'first') {
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teaserPids.push(topic.mainPid);
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} else {
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teaserPids.push(topic.teaserPid);
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}
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}
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});
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posts.getPostsFields(teaserPids, ['pid', 'uid', 'timestamp', 'tid', 'content'], function(err, postData) {
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if (err) {
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return callback(err);
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}
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var uids = postData.map(function(post) {
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return post.uid;
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}).filter(function(uid, index, array) {
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return array.indexOf(uid) === index;
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});
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user.getMultipleUserFields(uids, ['uid', 'username', 'userslug', 'picture'], function(err, usersData) {
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if (err) {
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return callback(err);
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}
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var users = {};
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usersData.forEach(function(user) {
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users[user.uid] = user;
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});
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var tidToPost = {};
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async.each(postData, function(post, next) {
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// If the post author isn't represented in the retrieved users' data, then it means they were deleted, assume guest.
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if (!users.hasOwnProperty(post.uid)) {
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post.uid = 0;
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}
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post.user = users[post.uid];
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post.timestamp = utils.toISOString(post.timestamp);
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tidToPost[post.tid] = post;
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posts.parsePost(post, next);
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}, function(err) {
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if (err) {
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return callback(err);
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}
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var teasers = topics.map(function(topic, index) {
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if (!topic) {
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return null;
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}
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if (tidToPost[topic.tid]) {
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tidToPost[topic.tid].index = meta.config.teaserPost === 'first' ? 1 : counts[index];
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if (tidToPost[topic.tid].content) {
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var s = S(tidToPost[topic.tid].content);
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tidToPost[topic.tid].content = s.stripTags.apply(s, utils.stripTags).s;
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}
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}
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return tidToPost[topic.tid];
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});
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plugins.fireHook('filter:teasers.get', {teasers: teasers}, function(err, data) {
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callback(err, data ? data.teasers : null);
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});
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});
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});
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});
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};
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Topics.getTeasersByTids = function(tids, callback) {
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if (!Array.isArray(tids) || !tids.length) {
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return callback(null, []);
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}
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async.waterfall([
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function(next) {
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Topics.getTopicsFields(tids, ['tid', 'postcount', 'teaserPid'], next);
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},
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function(topics, next) {
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Topics.getTeasers(topics, next);
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}
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], callback);
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};
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Topics.getTeaser = function(tid, callback) {
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Topics.getTeasersByTids([tid], function(err, teasers) {
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callback(err, Array.isArray(teasers) && teasers.length ? teasers[0] : null);
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});
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};
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Topics.updateTeaser = function(tid, callback) {
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Topics.getLatestUndeletedReply(tid, function(err, pid) {
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if (err) {
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return callback(err);
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}
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pid = pid || null;
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Topics.setTopicField(tid, 'teaserPid', pid, callback);
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});
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};
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}; |