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460 lines
11 KiB
JavaScript
460 lines
11 KiB
JavaScript
var RDB = require('./redis.js'),
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utils = require('./../public/src/utils.js'),
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schema = require('./schema.js'),
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user = require('./user.js'),
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topics = require('./topics.js'),
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favourites = require('./favourites.js'),
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threadTools = require('./threadTools.js'),
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postTools = require('./postTools'),
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feed = require('./feed.js'),
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async = require('async'),
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plugins = require('./plugins'),
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reds = require('reds'),
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nconf = require('nconf'),
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meta = require('./meta.js'),
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postSearch = reds.createSearch('nodebbpostsearch'),
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winston = require('winston');
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(function(Posts) {
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Posts.getPostsByTid = function(tid, start, end, callback) {
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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) {
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Posts.getPostsByPids(pids, function(err, posts) {
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callback(posts);
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});
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} else {
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callback([]);
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}
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});
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}
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Posts.addUserInfoToPost = function(post, callback) {
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user.getUserFields(post.uid, ['username', 'userslug', 'reputation', 'postcount', 'picture', 'signature', 'banned'], function(err, userData) {
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if(err)
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return callback();
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post.username = userData.username || 'anonymous';
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post.userslug = userData.userslug || '';
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post.user_rep = userData.reputation || 0;
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post.user_postcount = userData.postcount || 0;
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post.user_banned = userData.banned || '0';
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post.picture = userData.picture || require('gravatar').url('', {}, https=nconf.get('https'));
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post.signature = postTools.markdownToHTML(userData.signature, true);
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if(post.editor !== '') {
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user.getUserFields(post.editor, ['username', 'userslug'], function(err, editorData) {
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if(err)
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return callback();
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post.editorname = editorData.username;
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post.editorslug = editorData.userslug;
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callback();
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});
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} else {
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callback();
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}
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});
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}
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Posts.getPostSummaryByPids = function(pids, callback) {
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var posts = [];
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function getPostSummary(pid, callback) {
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Posts.getPostFields(pid, ['pid', 'tid', 'content', 'uid', 'timestamp', 'deleted'], function(postData) {
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if(postData.deleted === '1') {
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return callback(null);
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}
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Posts.addUserInfoToPost(postData, function() {
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topics.getTopicFields(postData.tid, ['slug', 'deleted'], function(err, topicData) {
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if(err)
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return callback(err);
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if(topicData.deleted === '1')
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return callback(null);
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if(postData.content)
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postData.content = utils.strip_tags(postTools.markdownToHTML(postData.content));
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postData.relativeTime = utils.relativeTime(postData.timestamp);
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postData.topicSlug = topicData.slug;
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posts.push(postData);
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callback(null);
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});
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});
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});
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}
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async.eachSeries(pids, getPostSummary, function(err) {
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if(!err) {
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callback(null, posts);
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} else {
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callback(err, null);
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}
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});
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};
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Posts.filterBannedPosts = function(posts) {
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return posts.filter(function(post) {
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return post.user_banned === '0';
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});
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}
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Posts.getPostData = function(pid, callback) {
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RDB.hgetall('post:' + pid, function(err, data) {
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if(err === null) {
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plugins.fireHook('filter:post.get', data, function(data) {
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callback(data);
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});
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}
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else
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console.log(err);
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});
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}
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Posts.getPostFields = function(pid, fields, callback) {
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RDB.hmgetObject('post:' + pid, fields, function(err, data) {
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if(err === null) {
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callback(data);
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}
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else {
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console.log(err);
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}
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});
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}
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Posts.getPostField = function(pid, field, callback) {
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RDB.hget('post:' + pid, field, function(err, data) {
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if(err === null)
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callback(data);
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else
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console.log(err);
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});
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}
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Posts.setPostField = function(pid, field, value) {
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RDB.hset('post:' + pid, field, value);
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}
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Posts.getPostsByPids = function(pids, callback) {
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var posts = [];
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function iterator(pid, callback) {
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Posts.getPostData(pid, function(postData) {
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if(postData) {
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postData.relativeTime = utils.relativeTime(postData.timestamp);
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postData.post_rep = postData.reputation;
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postData['edited-class'] = postData.editor !== '' ? '' : 'none';
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postData['relativeEditTime'] = postData.edited !== '0' ? utils.relativeTime(postData.edited) : '';
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postData.content = postTools.markdownToHTML(postData.content);
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if(postData.uploadedImages) {
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try {
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postData.uploadedImages = JSON.parse(postData.uploadedImages);
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} catch(err) {
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postData.uploadedImages = [];
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winston.err(err);
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}
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} else {
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postData.uploadedImages = [];
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}
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posts.push(postData);
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}
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callback(null);
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});
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}
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async.eachSeries(pids, iterator, function(err) {
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if(!err) {
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callback(null, posts);
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} else {
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callback(err, null);
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}
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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.getPostField(pid, 'tid', function(tid) {
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if (tid) {
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topics.getTopicField(tid, 'cid', function(err, cid) {
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if (cid) {
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callback(cid);
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} else {
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callback(false);
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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.emitContentTooShortAlert = function(socket) {
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socket.emit('event:alert', {
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type: 'error',
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timeout: 2000,
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title: 'Content too short',
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message: "Please enter a longer post. At least " + meta.config.minimumPostLength + " characters.",
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alert_id: 'post_error'
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});
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}
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Posts.emitTooManyPostsAlert = function(socket) {
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socket.emit('event:alert', {
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title: 'Too many posts!',
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message: 'You can only post every '+ meta.config.postDelay/1000 + ' seconds.',
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type: 'error',
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timeout: 2000
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});
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}
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Posts.reply = function(tid, uid, content, images, callback) {
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if(content) {
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content = content.trim();
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}
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if (!content || content.length < meta.config.minimumPostLength) {
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callback(new Error('content-too-short'), null);
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return;
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}
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user.getUserField(uid, 'lastposttime', function(lastposttime) {
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if(Date.now() - lastposttime < meta.config.postDelay) {
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callback(new Error('too-many-posts'), null);
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return;
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}
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Posts.create(uid, tid, content, images, function(postData) {
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if (postData) {
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topics.markUnRead(tid);
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Posts.get_cid_by_pid(postData.pid, function(cid) {
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RDB.del('cid:' + cid + ':read_by_uid', function(err, data) {
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topics.markAsRead(tid, uid);
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});
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});
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threadTools.notify_followers(tid, uid);
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Posts.addUserInfoToPost(postData, function() {
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var socketData = { posts: [postData] };
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io.sockets.in('topic_' + tid).emit('event:new_post', socketData);
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io.sockets.in('recent_posts').emit('event:new_post', socketData);
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});
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callback(null, 'Reply successful');
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} else {
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callback(new Error('reply-error'), null);
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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, images, callback) {
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if (uid === null) {
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callback(null);
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return;
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}
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topics.isLocked(tid, function(locked) {
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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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plugins.fireHook('filter:post.save', content, function(content) {
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var timestamp = Date.now(),
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postData = {
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'pid': pid,
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'uid': uid,
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'tid': tid,
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'content': content,
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'timestamp': timestamp,
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'reputation': 0,
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'editor': '',
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'edited': 0,
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'deleted': 0,
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'uploadedImages': '[]',
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'fav_button_class': '',
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'fav_star_class': 'icon-star-empty',
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'show_banned': 'hide',
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'relativeTime': '0 seconds',
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'post_rep': '0',
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'edited-class': 'none',
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'relativeEditTime': ''
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};
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RDB.hmset('post:' + pid, postData);
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topics.addPostToTopic(tid, pid);
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topics.increasePostCount(tid);
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topics.updateTimestamp(tid, timestamp);
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RDB.incr('totalpostcount');
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topics.getTopicField(tid, 'cid', function(err, cid) {
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RDB.handle(err);
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feed.updateTopic(tid, cid);
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RDB.zadd('categories:recent_posts:cid:' + cid, timestamp, pid);
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RDB.zadd('categories:' + cid + ':tid', timestamp, tid);
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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', uid);
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});
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});
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user.onNewPostMade(uid, tid, pid, timestamp);
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async.parallel({
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uploadedImages: function(next) {
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uploadPostImages(postData, images, function(err, uploadedImages) {
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if(err) {
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winston.error('Uploading images failed!', err.stack);
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next(null, []);
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} else {
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next(null, uploadedImages);
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}
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});
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},
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content: function(next) {
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plugins.fireHook('filter:post.get', postData, function(postData) {
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postData.content = postTools.markdownToHTML(postData.content, false);
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next(null, postData.content);
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});
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}
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}, function(err, results) {
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postData.uploadedImages = results.uploadedImages;
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Posts.setPostField(pid, 'uploadedImages', JSON.stringify(postData.uploadedImages));
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postData.content = results.content;
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callback(postData);
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});
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plugins.fireHook('action:post.save', [postData]);
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postSearch.index(content, pid);
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});
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});
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} else {
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callback(null);
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}
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});
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}
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function uploadPostImages(postData, images, callback) {
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var imgur = require('./imgur');
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imgur.setClientID(meta.config.imgurClientID);
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var uploadedImages = [];
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function uploadImage(image, callback) {
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imgur.upload(image.data, 'base64', function(err, data) {
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if(err) {
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callback(err);
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} else {
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if(data.success) {
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var img= {url:data.data.link, name:image.name};
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uploadedImages.push(img);
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callback(null);
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} else {
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winston.error('Can\'t upload image, did you set imgurClientID?');
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callback(data);
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}
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}
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});
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}
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if(!images) {
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callback(null, uploadedImages);
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} else {
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async.each(images, uploadImage, function(err) {
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if(!err) {
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callback(null, uploadedImages);
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} else {
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console.log(err);
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callback(err, null);
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}
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});
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}
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}
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Posts.getPostsByUid = function(uid, start, end, callback) {
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user.getPostIds(uid, start, end, function(pids) {
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if(pids && pids.length) {
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Posts.getPostsByPids(pids, function(err, posts) {
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callback(posts);
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});
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}
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else
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callback([]);
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});
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}
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Posts.getTopicPostStats = function(socket) {
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RDB.mget(['totaltopiccount', 'totalpostcount'], function(err, data) {
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if(err === null) {
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var stats = {
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topics: data[0]?data[0]:0,
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posts: data[1]?data[1]:0
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};
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socket.emit('post.stats', stats);
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}
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else
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console.log(err);
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});
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}
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Posts.reIndexPids = function(pids, callback) {
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function reIndex(pid, callback) {
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Posts.getPostField(pid, 'content', function(content) {
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postSearch.remove(pid, function() {
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if(content && content.length) {
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postSearch.index(content, pid);
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}
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callback(null);
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});
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});
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}
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async.each(pids, reIndex, function(err) {
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if(err) {
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callback(err, null);
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} else {
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callback(null, 'Posts reindexed');
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}
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});
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}
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Posts.getFavourites = function(uid, callback) {
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RDB.zrevrange('uid:' + uid + ':favourites', 0, -1, function(err, pids) {
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if(err)
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return callback(err, null);
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Posts.getPostSummaryByPids(pids, function(err, posts) {
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if(err)
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return callback(err, null);
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callback(null, posts);
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});
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});
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}
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}(exports)); |