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529 lines
15 KiB
JavaScript
529 lines
15 KiB
JavaScript
var RDB = require('./redis.js'),
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posts = require('./posts.js'),
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utils = require('./utils.js'),
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user = require('./user.js'),
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config = require('../config.js'),
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categories = require('./categories.js'),
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posts = require('./posts.js'),
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marked = require('marked'),
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async = require('async');
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marked.setOptions({
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breaks: true
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});
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(function(Topics) {
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Topics.get_by_category = function(callback, category, start, end) {
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}
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Topics.get = function(callback, tid, current_user, start, end) {
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if (start == null) start = 0;
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if (end == null) end = -1;//start + 10;
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var post_data, user_data, thread_data, vote_data, privileges;
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getTopicPosts();
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getPrivileges();
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//compile thread after all data is asynchronously called
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function generateThread() {
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if (!post_data || !user_data || !thread_data || !vote_data || !privileges) return;
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var retrieved_posts = [],
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main_posts = [];
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for (var i=0, ii= post_data.pid.length; i<ii; i++) {
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var uid = post_data.uid[i],
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pid = post_data.pid[i];
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if (post_data.deleted[i] === null || (post_data.deleted[i] === '1' && privileges.view_deleted) || current_user === uid) {
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var post_obj = {
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'pid' : pid,
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'uid' : uid,
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'content' : marked(post_data.content[i] || ''),
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'post_rep' : post_data.reputation[i] || 0,
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'timestamp' : post_data.timestamp[i],
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'relativeTime': utils.relativeTime(post_data.timestamp[i]),
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'username' : user_data[uid].username || 'anonymous',
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'user_rep' : user_data[uid].reputation || 0,
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'gravatar' : user_data[uid].picture || 'http://www.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e',
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'signature' : marked(user_data[uid].signature || ''),
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'fav_star_class' : vote_data[pid] ? 'icon-star' : 'icon-star-empty',
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'display_moderator_tools': (uid == current_user || privileges.editable) ? 'show' : 'none',
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'edited-class': post_data.editor[i] !== null ? '' : 'none',
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'editor': post_data.editor[i] !== null ? user_data[post_data.editor[i]].username : '',
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'relativeEditTime': post_data.editTime !== null ? utils.relativeTime(post_data.editTime[i]) : '',
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'deleted': post_data.deleted[i] || '0'
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};
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if (i == 0) main_posts.push(post_obj);
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else retrieved_posts.push(post_obj);
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}
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}
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callback({
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'topic_name':thread_data.topic_name,
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'category_name':thread_data.category_name,
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'category_slug':thread_data.category_slug,
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'locked': parseInt(thread_data.locked) || 0,
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'deleted': parseInt(thread_data.deleted) || 0,
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'pinned': parseInt(thread_data.pinned) || 0,
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'topic_id': tid,
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'expose_tools': privileges.editable ? 1 : 0,
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'posts': retrieved_posts,
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'main_posts': main_posts
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});
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}
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function getTopicPosts() {
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// get all data for thread in asynchronous fashion
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RDB.lrange('tid:' + tid + ':posts', start, end, function(err, pids) {
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RDB.handle(err);
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if(pids.length === 0 ){
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callback(false);
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return;
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}
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Topics.markAsRead(tid, current_user);
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var content = [], uid = [], timestamp = [], pid = [], post_rep = [], editor = [], editTime = [], deleted = [];
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for (var i=0, ii=pids.length; i<ii; i++) {
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content.push('pid:' + pids[i] + ':content');
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uid.push('pid:' + pids[i] + ':uid');
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timestamp.push('pid:' + pids[i] + ':timestamp');
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post_rep.push('pid:' + pids[i] + ':rep');
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editor.push('pid:' + pids[i] + ':editor');
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editTime.push('pid:' + pids[i] + ':edited');
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deleted.push('pid:' + pids[i] + ':deleted');
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pid.push(pids[i]);
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}
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posts.getFavouritesByPostIDs(pids, current_user, function(fav_data) {
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vote_data = fav_data;
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generateThread();
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});
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RDB.multi()
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.mget(content)
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.mget(uid)
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.mget(timestamp)
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.mget(post_rep)
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.get('tid:' + tid + ':title')
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.get('tid:' + tid + ':locked')
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.get('tid:' + tid + ':category_name')
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.get('tid:' + tid + ':category_slug')
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.get('tid:' + tid + ':deleted')
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.get('tid:' + tid + ':pinned')
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.mget(editor)
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.mget(editTime)
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.mget(deleted)
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.exec(function(err, replies) {
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post_data = {
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pid: pids,
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content: replies[0],
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uid: replies[1],
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timestamp: replies[2],
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reputation: replies[3],
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editor: replies[10],
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editTime: replies[11],
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deleted: replies[12]
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};
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thread_data = {
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topic_name: replies[4],
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locked: replies[5] || 0,
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category_name: replies[6],
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category_slug: replies[7],
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deleted: replies[8] || 0,
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pinned: replies[9] || 0
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};
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// Add any editors to the user_data object
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for(var x=0,numPosts=replies[10].length;x<numPosts;x++) {
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if (replies[10][x] !== null && post_data.uid.indexOf(replies[10][x]) === -1) {
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post_data.uid.push(replies[10][x]);
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}
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}
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user.getMultipleUserFields(post_data.uid, ['username','reputation','picture', 'signature'], function(user_details){
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user_data = user_details;
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generateThread();
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});
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});
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});
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}
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function getPrivileges() {
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Topics.privileges(tid, current_user, function(user_privs) {
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privileges = user_privs;
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generateThread();
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});
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}
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}
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Topics.privileges = function(tid, uid, callback) {
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async.parallel([
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function(next) {
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Topics.get_cid_by_tid(tid, function(cid) {
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categories.privileges(cid, uid, function(privileges) {
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next(null, privileges);
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});
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});
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},
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function(next) {
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user.getUserField(uid, 'reputation', function(reputation) {
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next(null, reputation >= config.privilege_thresholds.manage_thread);
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});
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}
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], function(err, results) {
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callback({
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editable: results[0].editable || (results.slice(1).indexOf(true) !== -1 ? true : false),
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view_deleted: results[0].view_deleted || (results.slice(1).indexOf(true) !== -1 ? true : false)
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});
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});
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}
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Topics.get_topic = function(tid, uid, callback) {
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var topicData = {};
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async.parallel([
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function(next) {
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RDB.mget([
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'tid:' + tid + ':title',
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'tid:' + tid + ':uid',
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'tid:' + tid + ':timestamp',
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'tid:' + tid + ':slug',
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'tid:' + tid + ':postcount',
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'tid:' + tid + ':locked',
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'tid:' + tid + ':pinned',
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'tid:' + tid + ':deleted'
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], function(err, topic) {
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topicData.title = topic[0];
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topicData.uid = topic[1];
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topicData.timestamp = topic[2];
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topicData.relativeTime = utils.relativeTime(topic[2]),
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topicData.slug = topic[3];
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topicData.post_count = topic[4];
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topicData.locked = topic[5];
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topicData.pinned = topic[6];
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topicData.deleted = topic[7];
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user.getUserField(topic[1], 'username', function(username) {
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topicData.username = username;
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next(null);
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})
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});
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},
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function(next) {
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if (uid && parseInt(uid) > 0) {
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RDB.sismember('tid:' + tid + ':read_by_uid', uid, function(err, read) {
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topicData.badgeclass = read ? '' : 'badge-important';
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next(null);
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});
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} else next(null);
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},
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function(next) {
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Topics.get_teaser(tid, function(teaser) {
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topicData.teaser_text = teaser.text;
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topicData.teaser_username = teaser.username;
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next(null);
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});
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}
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], function(err) {
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if (!err) {
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callback(topicData);
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}
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});
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}
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Topics.get_cid_by_tid = function(tid, callback) {
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RDB.get('tid:' + tid + ':cid', function(err, cid) {
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if (cid && parseInt(cid) > 0) callback(cid);
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else callback(false);
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});
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}
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Topics.markAsRead = function(tid, uid) {
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// there is an issue with this fn. if you read a topic that is previously read you will mark the category as read anyways - there is no check
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RDB.sadd('tid:' + tid + ':read_by_uid', uid);
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Topics.get_cid_by_tid(tid, function(cid) {
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RDB.sadd('cid:' + cid + ':read_by_uid', uid);
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});
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}
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Topics.hasReadTopics = function(tids, uid, callback) {
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var batch = RDB.multi();
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for (var i=0, ii=tids.length; i<ii; i++) {
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batch.sismember('tid:' + tids[i] + ':read_by_uid', uid);
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}
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batch.exec(function(err, hasRead) {
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callback(hasRead);
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});
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}
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Topics.get_teasers = function(tids, callback) {
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var requests = [];
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if (Array.isArray(tids)) {
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for(x=0,numTids=tids.length;x<numTids;x++) {
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(function(x) {
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requests.push(function(next) {
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Topics.get_teaser(tids[x], function(teaser_info) {
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next(null, teaser_info);
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});
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});
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})(x);
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}
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async.parallel(requests, function(err, teasers) {
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callback(teasers);
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});
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} else callback([]);
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}
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Topics.get_latest_undeleted_pid = function(tid, callback) {
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RDB.lrange('tid:' + tid + ':posts', 0, -1, function(err, pids) {
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var pidKeys = [],
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numPids = pids.length;
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if (numPids === 0) return callback(null);
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for(var x=0,numPids=pids.length;x<numPids;x++) {
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pidKeys.push('pid:' + pids[x] + ':deleted');
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}
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RDB.mget(pidKeys, function(err, posts) {
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var numPosts = posts.length;
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while(numPosts--) {
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if (posts[numPosts] !== '1') {
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callback(pids[numPosts]);
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break;
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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.get_teaser = function(tid, callback) {
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Topics.get_latest_undeleted_pid(tid, function(pid) {
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if (pid !== null) {
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RDB.mget([
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'pid:' + pid + ':content',
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'pid:' + pid + ':uid'
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], function(err, content) {
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user.getUserField(content[1], 'username', function(username) {
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var stripped = content[0];
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if(content[0])
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stripped = utils.strip_tags(marked(content[0]));
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callback({
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"text": stripped,
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"username": username
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});
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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.post = function(socket, uid, title, content, category_id) {
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if (!category_id) throw new Error('Attempted to post without a category_id');
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if (uid === 0) {
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socket.emit('event:alert', {
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title: 'Thank you for posting',
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message: 'Since you are unregistered, your post is awaiting approval. Click here to register now.',
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type: 'warning',
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timeout: 7500,
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clickfn: function() {
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ajaxify.go('register');
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}
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});
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return; // for now, until anon code is written.
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}
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RDB.incr('global:next_topic_id', function(err, tid) {
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RDB.handle(err);
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// Global Topics
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if (uid == null) uid = 0;
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if (uid !== null) {
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RDB.sadd('topics:tid', tid);
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} else {
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// need to add some unique key sent by client so we can update this with the real uid later
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RDB.lpush('topics:queued:tid', tid);
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}
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var slug = tid + '/' + utils.slugify(title);
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// Topic Info
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RDB.set('tid:' + tid + ':title', title);
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RDB.set('tid:' + tid + ':uid', uid);
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RDB.set('tid:' + tid + ':slug', slug);
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RDB.set('tid:' + tid + ':timestamp', new Date().getTime());
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RDB.set('topic:slug:' + slug + ':tid', tid);
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// Posts
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posts.create(uid, tid, content, function(pid) {
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if (pid > 0) {
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RDB.lpush('tid:' + tid + ':posts', pid);
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// Notify any users looking at the category that a new post has arrived
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Topics.get_topic(tid, uid, function(topicData) {
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io.sockets.in('category_' + category_id).emit('event:new_topic', topicData);
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});
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}
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});
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Topics.markAsRead(tid, uid);
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// User Details - move this out later
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RDB.lpush('uid:' + uid + ':topics', tid);
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socket.emit('event:alert', {
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title: 'Thank you for posting',
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message: 'You have successfully posted. Click here to view your post.',
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type: 'notify',
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timeout: 2000
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});
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// let everyone know that there is an unread topic in this category
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RDB.del('cid:' + category_id + ':read_by_uid');
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// in future it may be possible to add topics to several categories, so leaving the door open here.
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RDB.sadd('categories:' + category_id + ':tid', tid);
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RDB.set('tid:' + tid + ':cid', category_id);
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categories.get_category([category_id], function(data) {
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RDB.set('tid:' + tid + ':category_name', data.categories[0].name);
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RDB.set('tid:' + tid + ':category_slug', data.categories[0].slug);
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});
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RDB.incr('cid:' + category_id + ':topiccount');
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});
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};
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Topics.lock = function(tid, uid, socket) {
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Topics.privileges(tid, uid, function(privileges) {
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if (privileges.editable) {
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// Mark thread as locked
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RDB.set('tid:' + tid + ':locked', 1);
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if (socket) {
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io.sockets.in('topic_' + tid).emit('event:topic_locked', {
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tid: tid,
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status: 'ok'
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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.unlock = function(tid, uid, socket) {
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Topics.privileges(tid, uid, function(privileges) {
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if (privileges.editable) {
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// Mark thread as unlocked
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RDB.del('tid:' + tid + ':locked');
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if (socket) {
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io.sockets.in('topic_' + tid).emit('event:topic_unlocked', {
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tid: tid,
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status: 'ok'
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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.delete = function(tid, uid, socket) {
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Topics.privileges(tid, uid, function(privileges) {
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if (privileges.editable) {
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// Mark thread as deleted
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RDB.set('tid:' + tid + ':deleted', 1);
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Topics.lock(tid, uid);
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if (socket) {
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io.sockets.in('topic_' + tid).emit('event:topic_deleted', {
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tid: tid,
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status: 'ok'
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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.restore = function(tid, uid, socket) {
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Topics.privileges(tid, uid, function(privileges) {
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if (privileges.editable) {
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// Mark thread as restored
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RDB.del('tid:' + tid + ':deleted');
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Topics.unlock(tid, uid);
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if (socket) {
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io.sockets.in('topic_' + tid).emit('event:topic_restored', {
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tid: tid,
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status: 'ok'
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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.pin = function(tid, uid, socket) {
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Topics.privileges(tid, uid, function(privileges) {
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if (privileges.editable) {
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// Mark thread as pinned
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RDB.set('tid:' + tid + ':pinned', 1);
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if (socket) {
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io.sockets.in('topic_' + tid).emit('event:topic_pinned', {
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tid: tid,
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status: 'ok'
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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.unpin = function(tid, uid, socket) {
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Topics.privileges(tid, uid, function(privileges) {
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if (privileges.editable) {
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// Mark thread as unpinned
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RDB.del('tid:' + tid + ':pinned');
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if (socket) {
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io.sockets.in('topic_' + tid).emit('event:topic_unpinned', {
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tid: tid,
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status: 'ok'
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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.move = function(tid, cid, socket) {
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RDB.get('tid:' + tid + ':cid', function(err, oldCid) {
|
|
RDB.handle(err);
|
|
|
|
RDB.smove('categories:' + oldCid + ':tid', 'categories:' + cid + ':tid', tid, function(err, result) {
|
|
if (!err && result === 1) {
|
|
RDB.set('tid:' + tid + ':cid', cid);
|
|
categories.get_category([cid], function(data) {
|
|
RDB.set('tid:' + tid + ':category_name', data.categories[0].name);
|
|
RDB.set('tid:' + tid + ':category_slug', data.categories[0].slug);
|
|
});
|
|
socket.emit('api:topic.move', { status: 'ok' });
|
|
io.sockets.in('topic_' + tid).emit('event:topic_moved', { tid: tid });
|
|
} else {
|
|
socket.emit('api:topic.move', { status: 'error' });
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}(exports)); |