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1a38644eb8
Topics methods to call the "editable" method first instead of just checking rep thresholds. Also changed the limit on thread length from 10 to infinity (for now, until infinite scrolling makes it in)
498 lines
14 KiB
JavaScript
498 lines
14 KiB
JavaScript
var RDB = require('./redis.js'),
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utils = require('./utils.js'),
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marked = require('marked'),
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user = require('./user.js'),
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topics = require('./topics.js'),
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config = require('../config.js'),
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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(Posts) {
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Posts.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, viewer_data;
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getTopicPosts();
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getViewerData();
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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 || !viewer_data) return;
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var posts = [],
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main_posts = [],
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manage_content = (
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viewer_data.reputation >= config.privilege_thresholds.manage_content ||
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viewer_data.isModerator ||
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viewer_data.isAdministrator
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);
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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' && manage_content) || 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' : 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 || manage_content || viewer_data.isModerator) ? '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 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': manage_content ? 1 : 0,
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'posts': 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 getViewerData() {
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async.parallel([
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function(callback) {
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user.getUserField(current_user, 'reputation', function(reputation){
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viewer_data = viewer_data || {};
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viewer_data.reputation = reputation;
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callback(null);
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});
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},
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function(callback) {
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RDB.get('tid:' + tid + ':cid', function(err, cid) {
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user.isModerator(current_user, cid, function(isMod) {
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viewer_data = viewer_data || {};
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viewer_data.isModerator = isMod;
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callback(null);
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});
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})
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},
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function(callback) {
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user.isAdministrator(current_user, function(isAdmin) {
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viewer_data = viewer_data || {};
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viewer_data.isAdministrator = isAdmin;
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callback(null);
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});
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}
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], function(err) {
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generateThread();
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});
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}
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}
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Posts.editable = function(uid, pid, callback) {
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async.parallel([
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function(next) {
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RDB.get('pid:' + pid + ':uid', function(err, author) {
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if (author && parseInt(author) > 0) next(null, author === uid);
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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_content);
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});
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},
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function(next) {
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Posts.get_tid_by_pid(pid, function(tid) {
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RDB.get('tid:' + tid + ':cid', function(err, cid) {
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user.isModerator(uid, cid, function(isMod) {
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next(null, isMod);
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});
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});
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});
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}, function(next) {
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user.isAdministrator(uid, function(err, isAdmin) {
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next(null, isAdmin);
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});
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}
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], function(err, results) {
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// If any return true, allow the edit
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if (results.indexOf(true) !== -1) callback(true);
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});
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}
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Posts.get_tid_by_pid = function(pid, callback) {
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RDB.get('pid:' + pid + ':tid', function(err, tid) {
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if (tid && parseInt(tid) > 0) callback(tid);
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else callback(false);
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});
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}
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Posts.get_cid_by_pid = function(pid, callback) {
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Posts.get_tid(pid, function(tid) {
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if (tid) topics.get_cid_by_tid(tid, function(cid) {
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if (cid) callback(cid);
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else callback(false);
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});
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})
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}
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Posts.reply = function(socket, tid, uid, content) {
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if (uid < 1) {
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socket.emit('event:alert', {
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title: 'Reply Unsuccessful',
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message: 'You don't seem to be logged in, so you cannot reply.',
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type: 'error',
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timeout: 2000
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});
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return;
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}
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Posts.create(uid, tid, content, function(pid) {
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if (pid > 0) {
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RDB.rpush('tid:' + tid + ':posts', pid);
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RDB.del('tid:' + tid + ':read_by_uid'); // let everybody know there is an unread post
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// Re-add the poster, so he/she does not get an "unread" flag on this topic
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topics.markAsRead(tid, uid);
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socket.emit('event:alert', {
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title: 'Reply Successful',
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message: 'You have successfully replied. Click here to view your reply.',
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type: 'notify',
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timeout: 2000
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});
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user.getUserFields(uid, ['username','reputation','picture'], function(data){
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var timestamp = new Date().getTime();
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io.sockets.in('topic_' + tid).emit('event:new_post', {
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'posts' : [
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{
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'pid' : pid,
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'content' : marked(content || ''),
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'uid' : uid,
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'username' : data.username || 'anonymous',
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'user_rep' : data.reputation || 0,
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'post_rep' : 0,
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'gravatar' : data.picture,
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'timestamp' : timestamp,
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'relativeTime': utils.relativeTime(timestamp),
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'fav_star_class' :'icon-star-empty',
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'edited-class': 'none',
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'editor': '',
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}
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]
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});
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});
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} else {
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socket.emit('event:alert', {
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title: 'Reply Unsuccessful',
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message: 'Your reply could not be posted at this time. Please try again later.',
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type: 'notify',
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timeout: 2000
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});
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}
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});
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};
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Posts.create = function(uid, tid, content, callback) {
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if (uid === null) return;
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RDB.get('tid:' + tid + ':locked', function(err, locked) {
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RDB.handle(err);
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if (!locked || locked === '0') {
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RDB.incr('global:next_post_id', function(err, pid) {
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RDB.handle(err);
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// Posts Info
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RDB.set('pid:' + pid + ':content', content);
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RDB.set('pid:' + pid + ':uid', uid);
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RDB.set('pid:' + pid + ':timestamp', new Date().getTime());
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RDB.set('pid:' + pid + ':rep', 0);
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RDB.set('pid:' + pid + ':tid', tid);
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RDB.incr('tid:' + tid + ':postcount');
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user.getUserFields(uid, ['username'], function(data){
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//add active users to this category
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RDB.get('tid:' + tid + ':cid', function(err, cid) {
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RDB.handle(err);
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// this is a bit of a naive implementation, defn something to look at post-MVP
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RDB.scard('cid:' + cid + ':active_users', function(amount) {
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if (amount > 10) {
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RDB.spop('cid:' + cid + ':active_users');
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}
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RDB.sadd('cid:' + cid + ':active_users', data.username);
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});
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});
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});
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// User Details - move this out later
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RDB.lpush('uid:' + uid + ':posts', pid);
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user.incrementUserFieldBy(uid, 'postcount', 1);
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if (callback)
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callback(pid);
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});
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} else {
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callback(-1);
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}
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});
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}
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Posts.favourite = function(pid, room_id, uid, socket) {
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if (uid === 0) {
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socket.emit('event:alert', {
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alert_id: 'post_favourite',
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title: 'Not Logged In',
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message: 'Please log in in order to favourite this post',
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type: 'error',
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timeout: 5000
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});
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socket.emit('api:posts.favourite', {
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status: 'error',
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pid: pid
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});
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return;
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}
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RDB.get('pid:' + pid + ':uid', function(err, uid_of_poster) {
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RDB.handle(err);
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Posts.hasFavourited(pid, uid, function(hasFavourited) {
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if (hasFavourited == false) {
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RDB.sadd('pid:' + pid + ':users_favourited', uid);
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RDB.incr('pid:' + pid + ':rep');
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if (uid !== uid_of_poster) user.incrementUserFieldBy(uid_of_poster, 'reputation', 1);
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if (room_id) {
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io.sockets.in(room_id).emit('event:rep_up', {uid: uid !== uid_of_poster ? uid_of_poster : 0, pid: pid});
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}
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socket.emit('api:posts.favourite', {
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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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Posts.unfavourite = function(pid, room_id, uid, socket) {
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if (uid === 0) {
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socket.emit('event:alert', {
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alert_id: 'post_favourite',
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title: 'Not Logged In',
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message: 'Please log in in order to favourite this post',
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type: 'error',
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timeout: 5000
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});
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return;
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}
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RDB.get('pid:' + pid + ':uid', function(err, uid_of_poster) {
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RDB.handle(err);
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Posts.hasFavourited(pid, uid, function(hasFavourited) {
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if (hasFavourited == true) {
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RDB.srem('pid:' + pid + ':users_favourited', uid);
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RDB.decr('pid:' + pid + ':rep');
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if (uid !== uid_of_poster) user.incrementUserFieldBy(uid_of_poster, 'reputation', -1);
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if (room_id) {
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io.sockets.in(room_id).emit('event:rep_down', {uid: uid !== uid_of_poster ? uid_of_poster : 0, pid: pid});
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}
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}
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});
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});
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}
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Posts.hasFavourited = function(pid, uid, callback) {
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RDB.sismember('pid:' + pid + ':users_favourited', uid, function(err, hasFavourited) {
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RDB.handle(err);
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callback(hasFavourited);
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});
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}
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Posts.getFavouritesByPostIDs = function(pids, uid, callback) {
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var loaded = 0;
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var data = {};
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for (var i=0, ii=pids.length; i<ii; i++) {
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(function(post_id) {
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Posts.hasFavourited(post_id, uid, function(hasFavourited) {
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data[post_id] = hasFavourited;
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loaded ++;
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if (loaded == pids.length) callback(data);
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});
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}(pids[i]))
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}
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}
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Posts.getRawContent = function(pid, socket) {
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RDB.get('pid:' + pid + ':content', function(err, raw) {
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socket.emit('api:posts.getRawPost', { post: raw });
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});
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}
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Posts.edit = function(uid, pid, content) {
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var success = function() {
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RDB.set('pid:' + pid + ':content', content);
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RDB.set('pid:' + pid + ':edited', new Date().getTime());
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RDB.set('pid:' + pid + ':editor', uid);
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Posts.get_tid_by_pid(pid, function(tid) {
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io.sockets.in('topic_' + tid).emit('event:post_edited', { pid: pid, content: marked(content || '') });
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});
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};
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Posts.editable(uid, pid, function(editable) {
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if (editable) success();
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});
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}
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Posts.delete = function(uid, pid) {
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var success = function() {
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RDB.set('pid:' + pid + ':deleted', 1);
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Posts.get_tid_by_pid(pid, function(tid) {
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io.sockets.in('topic_' + tid).emit('event:post_deleted', { pid: pid });
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});
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};
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Posts.editable(uid, pid, function(editable) {
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if (editable) success();
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});
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}
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Posts.restore = function(uid, pid) {
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var success = function() {
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RDB.del('pid:' + pid + ':deleted');
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Posts.get_tid_by_pid(pid, function(tid) {
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io.sockets.in('topic_' + tid).emit('event:post_restored', { pid: pid });
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});
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};
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Posts.editable(uid, pid, function(editable) {
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if (editable) success();
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});
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}
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}(exports)); |