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.
nodebb/src/topics.js

284 lines
7.3 KiB
JavaScript

var RDB = require('./redis.js'),
posts = require('./posts.js'),
utils = require('./utils.js'),
user = require('./user.js'),
configs = require('../config.js'),
categories = require('./categories.js');
(function(Topics) {
Topics.get_by_category = function(callback, category, start, end) {
}
Topics.get = function(callback, category_id, start, end) {
if (start == null) start = 0;
if (end == null) end = start + 10;
//build a proper wrapper for this and move it into above function later
var range_var = (category_id) ? 'categories:' + category_id + ':tid' : 'topics:tid';
RDB.lrange(range_var, start, end, function(tids) {
var title = [],
uid = [],
timestamp = [],
slug = [],
postcount = [],
locked = [],
deleted = [],
pinned = [];
for (var i=0, ii=tids.length; i<ii; i++) {
title.push('tid:' + tids[i] + ':title');
uid.push('tid:' + tids[i] + ':uid');
timestamp.push('tid:' + tids[i] + ':timestamp');
slug.push('tid:' + tids[i] + ':slug');
postcount.push('tid:' + tids[i] + ':postcount');
locked.push('tid:' + tids[i] + ':locked');
deleted.push('tid:' + tids[i] + ':deleted');
pinned.push('tid:' + tids[i] + ':pinned');
}
var multi = RDB.multi()
.get('cid:' + category_id + ':name');
if (tids.length > 0) {
multi
.mget(title)
.mget(uid)
.mget(timestamp)
.mget(slug)
.mget(postcount)
.mget(locked)
.mget(deleted)
.mget(pinned)
}
multi.exec(function(err, replies) {
category_name = replies[0];
var topics = [];
if (tids.length > 0) {
title = replies[1];
uid = replies[2];
timestamp = replies[3];
slug = replies[4];
postcount = replies[5];
locked = replies[6];
deleted = replies[7];
pinned = replies[8];
user.get_usernames_by_uids(uid, function(userNames) {
for (var i=0, ii=title.length; i<ii; i++) {
topics.push({
'title' : title[i],
'uid' : uid[i],
'username': userNames[i],
'timestamp' : timestamp[i],
'relativeTime': utils.relativeTime(timestamp[i]),
'slug' : slug[i],
'post_count' : postcount[i],
'lock-icon': locked[i] === '1' ? 'icon-lock' : 'hide',
'deleted': deleted[i],
'pin-icon': pinned[i] === '1' ? 'icon-pushpin' : 'hide'
});
}
callback({
'category_name' : category_id ? category_name : 'Recent',
'show_topic_button' : category_id ? 'show' : 'hidden',
'category_id': category_id,
'topics': topics
});
});
}
else {
callback({
'category_name' : category_id ? category_name : 'Recent',
'show_topic_button' : category_id ? 'show' : 'hidden',
'category_id': category_id,
'topics': []
});
}
});
//} else callback({'category_id': category_id, 'topics': []});
});
}
Topics.post = function(socket, uid, title, content, category_id) {
if (!category_id) throw new Error('Attempted to post without a category_id');
if (uid === 0) {
socket.emit('event:alert', {
title: 'Thank you for posting',
message: 'Since you are unregistered, your post is awaiting approval. Click here to register now.',
type: 'warning',
timeout: 7500,
clickfn: function() {
ajaxify.go('register');
}
});
return; // for now, until anon code is written.
}
RDB.incr('global:next_topic_id', function(tid) {
// Global Topics
if (uid == null) uid = 0;
if (uid !== null) {
RDB.lpush('topics:tid', tid);
} else {
// need to add some unique key sent by client so we can update this with the real uid later
RDB.lpush('topics:queued:tid', tid);
}
if (category_id) {
RDB.lpush('categories:' + category_id + ':tid', tid);
}
var slug = tid + '/' + utils.slugify(title);
// Topic Info
RDB.set('tid:' + tid + ':title', title);
RDB.set('tid:' + tid + ':uid', uid);
RDB.set('tid:' + tid + ':slug', slug);
RDB.set('tid:' + tid + ':timestamp', new Date().getTime());
RDB.set('topic:slug:' + slug + ':tid', tid);
// Posts
posts.create(uid, tid, content, function(pid) {
if (pid > 0) RDB.lpush('tid:' + tid + ':posts', pid);
});
// User Details - move this out later
RDB.lpush('uid:' + uid + ':topics', tid);
socket.emit('event:alert', {
title: 'Thank you for posting',
message: 'You have successfully posted. Click here to view your post.',
type: 'notify',
timeout: 2000
});
// in future it may be possible to add topics to several categories, so leaving the door open here.
categories.get_category([category_id], function(data) {
RDB.set('tid:' + tid + ':category_name', data.categories[0].name);
RDB.set('tid:' + tid + ':category_slug', data.categories[0].slug);
});
});
};
Topics.lock = function(tid, uid, socket) {
user.getUserField(uid, 'reputation', function(rep) {
if (rep >= configs.privilege_thresholds.manage_thread) {
// Mark thread as locked
RDB.set('tid:' + tid + ':locked', 1);
if (socket) {
io.sockets.in('topic_' + tid).emit('event:topic_locked', {
tid: tid,
status: 'ok'
});
}
}
});
}
Topics.unlock = function(tid, uid, socket) {
user.getUserField(uid, 'reputation', function(rep) {
if (rep >= configs.privilege_thresholds.manage_thread) {
// Mark thread as locked
RDB.del('tid:' + tid + ':locked');
if (socket) {
io.sockets.in('topic_' + tid).emit('event:topic_unlocked', {
tid: tid,
status: 'ok'
});
}
}
});
}
Topics.delete = function(tid, uid, socket) {
user.getUserField(uid, 'reputation', function(rep) {
if (rep >= configs.privilege_thresholds.manage_thread) {
// Mark thread as deleted
RDB.set('tid:' + tid + ':deleted', 1);
Topics.lock(tid, uid);
if (socket) {
io.sockets.in('topic_' + tid).emit('event:topic_deleted', {
tid: tid,
status: 'ok'
});
}
}
});
}
Topics.restore = function(tid, uid, socket) {
user.getUserField(uid, 'reputation', function(rep) {
if (rep >= configs.privilege_thresholds.manage_thread) {
// Mark thread as deleted
RDB.del('tid:' + tid + ':deleted');
Topics.unlock(tid, uid);
if (socket) {
io.sockets.in('topic_' + tid).emit('event:topic_restored', {
tid: tid,
status: 'ok'
});
}
}
});
}
Topics.pin = function(tid, uid, socket) {
user.getUserField(uid, 'reputation', function(rep) {
if (rep >= configs.privilege_thresholds.manage_thread) {
// Mark thread as deleted
RDB.set('tid:' + tid + ':pinned', 1);
if (socket) {
io.sockets.in('topic_' + tid).emit('event:topic_pinned', {
tid: tid,
status: 'ok'
});
}
}
});
}
Topics.unpin = function(tid, uid, socket) {
user.getUserField(uid, 'reputation', function(rep) {
if (rep >= configs.privilege_thresholds.manage_thread) {
// Mark thread as deleted
RDB.del('tid:' + tid + ':pinned');
if (socket) {
io.sockets.in('topic_' + tid).emit('event:topic_unpinned', {
tid: tid,
status: 'ok'
});
}
}
});
}
}(exports));