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| var nodemailer = require('nodemailer'),
sanitizeHtml = require('sanitize-html'),
moment = require('moment'),
mongodb = require('mongodb'),
// debug = require('debug')('freecc:cntr:story'),
utils = require('../utils'),
MongoClient = mongodb.MongoClient,
secrets = require('../../config/secrets');
module.exports = function(app) {
var router = app.loopback.Router();
var User = app.models.User;
var Story = app.models.Story;
router.get('/stories/hotStories', hotJSON);
router.get('/stories/comments/:id', comments);
router.post('/stories/comment/', commentSubmit);
router.post('/stories/comment/:id/comment', commentOnCommentSubmit);
router.put('/stories/comment/:id/edit', commentEdit);
router.get('/stories/submit', submitNew);
router.get('/stories/submit/new-story', preSubmit);
router.post('/stories/preliminary', newStory);
router.post('/stories/', storySubmission);
router.get('/stories/', hot);
router.post('/stories/search', getStories);
router.get('/stories/:storyName', returnIndividualStory);
router.post('/stories/upvote/', upvote);
app.use(router);
function hotRank(timeValue, rank) {
/*
* Hotness ranking algorithm: http://amix.dk/blog/post/19588
* tMS = postedOnDate - foundationTime;
* Ranking...
* f(ts, 1, rank) = log(10)z + (ts)/45000;
*/
var time48Hours = 172800000;
var hotness;
var z = Math.log(rank) / Math.log(10);
hotness = z + (timeValue / time48Hours);
return hotness;
}
function hotJSON(req, res, next) {
Story.find({order: 'timePosted DESC', limit: 1000}, function(err, stories) {
if (err) {
return next(err);
}
var foundationDate = 1413298800000;
var sliceVal = stories.length >= 100 ? 100 : stories.length;
return res.json(stories.map(function(elem) {
return elem;
}).sort(function(a, b) {
return hotRank(b.timePosted - foundationDate, b.rank, b.headline)
- hotRank(a.timePosted - foundationDate, a.rank, a.headline);
}).slice(0, sliceVal));
});
}
function hot(req, res) {
return res.render('stories/index', {
title: 'Hot stories currently trending on Camper News',
page: 'hot'
});
}
function submitNew(req, res) {
return res.render('stories/index', {
title: 'Submit a new story to Camper News',
page: 'submit'
});
}
/*
* no used anywhere
function search(req, res) {
return res.render('stories/index', {
title: 'Search the archives of Camper News',
page: 'search'
});
}
function recent(req, res) {
return res.render('stories/index', {
title: 'Recently submitted stories on Camper News',
page: 'recent'
});
}
*/
function preSubmit(req, res) {
var data = req.query;
var cleanData = sanitizeHtml(data.url, {
allowedTags: [],
allowedAttributes: []
}).replace(/";/g, '"');
if (data.url.replace(/&/g, '&') !== cleanData) {
req.flash('errors', {
msg: 'The data for this post is malformed'
});
return res.render('stories/index', {
page: 'stories/submit'
});
}
var title = data.title || '';
var image = data.image || '';
var description = data.description || '';
return res.render('stories/index', {
title: 'Confirm your Camper News story submission',
page: 'storySubmission',
storyURL: data.url,
storyTitle: title,
storyImage: image,
storyMetaDescription: description
});
}
function returnIndividualStory(req, res, next) {
var dashedName = req.params.storyName;
var storyName = dashedName.replace(/\-/g, ' ').trim();
Story.find({where: {'storyLink': storyName}}, function(err, story) {
if (err) {
return next(err);
}
if (story.length < 1) {
req.flash('errors', {
msg: "404: We couldn't find a story with that name. " +
'Please double check the name.'
});
return res.redirect('/stories/');
}
story = story.pop();
var dashedNameFull = story.storyLink.toLowerCase()
.replace(/\s+/g, ' ')
.replace(/\s/g, '-');
if (dashedNameFull !== dashedName) {
return res.redirect('../stories/' + dashedNameFull);
}
var userVoted = false;
try {
var votedObj = story.upVotes.filter(function(a) {
return a['upVotedByUsername'] === req.user['profile']['username'];
});
if (votedObj.length > 0) {
userVoted = true;
}
} catch(e) {
userVoted = false;
}
res.render('stories/index', {
title: story.headline,
link: story.link,
originalStoryLink: dashedName,
originalStoryAuthorEmail: story.author.email || '',
author: story.author,
description: story.description,
rank: story.upVotes.length,
upVotes: story.upVotes,
comments: story.comments,
id: story.id,
timeAgo: moment(story.timePosted).fromNow(),
image: story.image,
page: 'show',
storyMetaDescription: story.metaDescription,
hasUserVoted: userVoted
});
});
}
function getStories(req, res, next) {
MongoClient.connect(secrets.db, function(err, database) {
if (err) {
return next(err);
}
database.collection('stories').find({
'$text': {
'$search': req.body.data ? req.body.data.searchValue : ''
}
}, {
headline: 1,
timePosted: 1,
link: 1,
description: 1,
rank: 1,
upVotes: 1,
author: 1,
comments: 1,
image: 1,
storyLink: 1,
metaDescription: 1,
textScore: {
$meta: 'textScore'
}
}, {
sort: {
textScore: {
$meta: 'textScore'
}
}
}).toArray(function(err, items) {
if (err) {
return next(err);
}
if (items !== null && items.length !== 0) {
return res.json(items);
}
return res.sendStatus(404);
});
});
}
function upvote(req, res, next) {
var data = req.body.data;
Story.find({'id': data.id}, function(err, story) {
if (err) {
return next(err);
}
story = story.pop();
story.rank++;
story.upVotes.push(
{
upVotedBy: req.user.id,
upVotedByUsername: req.user.username
}
);
story.markModified('rank');
story.save();
// NOTE(Berks): This logic is full of wholes and race conditions
// this could be the source of many 'can't set headers after
// they are sent'
// errors. This needs cleaning
User.findOne(
{ where: { id: story.author.userId } },
function(err, user) {
if (err) { return next(err); }
user.progressTimestamps.push(Date.now() || 0);
user.save(function (err) {
req.user.save(function (err) {
if (err) { return next(err); }
});
req.user.progressTimestamps.push(Date.now() || 0);
if (err) {
return next(err);
}
});
}
);
return res.send(story);
});
}
function comments(req, res, next) {
var data = req.params.id;
Comment.find(
{ where: {'id': data } },
function(err, comment) {
if (err) {
return next(err);
}
comment = comment.pop();
return res.send(comment);
});
}
function newStory(req, res, next) {
if (!req.user) {
return next(new Error('Must be logged in'));
}
var url = req.body.data.url;
var cleanURL = sanitizeHtml(url, {
allowedTags: [],
allowedAttributes: []
}).replace(/"/g, '"');
if (cleanURL !== url) {
req.flash('errors', {
msg: "The URL you submitted doesn't appear valid"
});
return res.json({
alreadyPosted: true,
storyURL: '/stories/submit'
});
}
if (url.search(/^https?:\/\//g) === -1) {
url = 'http://' + url;
}
Story.find(
{ where: {'link': url} },
function(err, story) {
if (err) {
return next(err);
}
if (story.length) {
req.flash('errors', {
msg: "Someone's already posted that link. Here's the discussion."
});
return res.json({
alreadyPosted: true,
storyURL: '/stories/' + story.pop().storyLink
});
}
utils.getURLTitle(url, processResponse);
}
);
function processResponse(err, story) {
if (err) {
res.json({
alreadyPosted: false,
storyURL: url,
storyTitle: '',
storyImage: '',
storyMetaDescription: ''
});
} else {
res.json({
alreadyPosted: false,
storyURL: url,
storyTitle: story.title,
storyImage: story.image,
storyMetaDescription: story.description
});
}
}
}
function storySubmission(req, res, next) {
var data = req.body.data;
if (!req.user) {
return next(new Error('Not authorized'));
}
var storyLink = data.headline
.replace(/[^a-z0-9\s]/gi, '')
.replace(/\s+/g, ' ')
.toLowerCase()
.trim();
var link = data.link;
if (link.search(/^https?:\/\//g) === -1) {
link = 'http://' + link;
}
Story.count({
storyLink: { like: new RegExp('^' + storyLink + '(?: [0-9]+)?$', 'i') }
}, function (err, storyCount) {
if (err) {
return next(err);
}
// if duplicate storyLink add unique number
storyLink = (storyCount === 0) ? storyLink : storyLink + ' ' + storyCount;
var link = data.link;
if (link.search(/^https?:\/\//g) === -1) {
link = 'http://' + link;
}
var story = new Story({
headline: sanitizeHtml(data.headline, {
allowedTags: [],
allowedAttributes: []
}).replace(/"/g, '"'),
timePosted: Date.now(),
link: link,
description: sanitizeHtml(data.description, {
allowedTags: [],
allowedAttributes: []
}).replace(/"/g, '"'),
rank: 1,
upVotes: [({
upVotedBy: req.user.id,
upVotedByUsername: req.user.username
})],
author: {
picture: req.user.picture,
userId: req.user.id,
username: req.user.username,
email: req.user.email
},
comments: [],
image: data.image,
storyLink: storyLink,
metaDescription: data.storyMetaDescription,
originalStoryAuthorEmail: req.user.email
});
story.save(function (err) {
if (err) {
return next(err);
}
req.user.progressTimestamps.push(Date.now() || 0);
req.user.save(function (err) {
if (err) {
return next(err);
}
res.send(JSON.stringify({
storyLink: story.storyLink.replace(/\s+/g, '-').toLowerCase()
}));
});
});
});
}
function commentSubmit(req, res, next) {
var data = req.body.data;
if (!req.user) {
return next(new Error('Not authorized'));
}
var sanitizedBody = sanitizeHtml(data.body,
{
allowedTags: [],
allowedAttributes: []
}).replace(/"/g, '"');
if (data.body !== sanitizedBody) {
req.flash('errors', {
msg: 'HTML is not allowed'
});
return res.send(true);
}
var comment = new Comment({
associatedPost: data.associatedPost,
originalStoryLink: data.originalStoryLink,
originalStoryAuthorEmail: data.originalStoryAuthorEmail,
body: sanitizedBody,
rank: 0,
upvotes: 0,
author: {
picture: req.user.picture,
userId: req.user.id,
username: req.user.username,
email: req.user.email
},
comments: [],
topLevel: true,
commentOn: Date.now()
});
commentSave(comment, Story, res, next);
}
function commentOnCommentSubmit(req, res, next) {
var data = req.body.data;
if (!req.user) {
return next(new Error('Not authorized'));
}
var sanitizedBody = sanitizeHtml(
data.body,
{
allowedTags: [],
allowedAttributes: []
}
).replace(/"/g, '"');
if (data.body !== sanitizedBody) {
req.flash('errors', {
msg: 'HTML is not allowed'
});
return res.send(true);
}
var comment = new Comment({
associatedPost: data.associatedPost,
body: sanitizedBody,
rank: 0,
upvotes: 0,
originalStoryLink: data.originalStoryLink,
originalStoryAuthorEmail: data.originalStoryAuthorEmail,
author: {
picture: req.user.picture,
userId: req.user.id,
username: req.user.username,
email: req.user.email
},
comments: [],
topLevel: false,
commentOn: Date.now()
});
commentSave(comment, Comment, res, next);
}
function commentEdit(req, res, next) {
Comment.find({ id: req.params.id }, function(err, cmt) {
if (err) {
return next(err);
}
cmt = cmt.pop();
if (!req.user && cmt.author.userId !== req.user.id) {
return next(new Error('Not authorized'));
}
var sanitizedBody = sanitizeHtml(req.body.body, {
allowedTags: [],
allowedAttributes: []
}).replace(/"/g, '"');
if (req.body.body !== sanitizedBody) {
req.flash('errors', {
msg: 'HTML is not allowed'
});
return res.send(true);
}
cmt.body = sanitizedBody;
cmt.commentOn = Date.now();
cmt.save(function(err) {
if (err) {
return next(err);
}
res.send(true);
});
});
}
function commentSave(comment, Context, res, next) {
comment.save(function(err, data) {
if (err) {
return next(err);
}
try {
// Based on the context retrieve the parent
// object of the comment (Story/Comment)
Context.find({
id: data.associatedPost
}, function (err, associatedContext) {
if (err) {
return next(err);
}
associatedContext = associatedContext.pop();
if (associatedContext) {
associatedContext.comments.push(data.id);
associatedContext.save(function (err) {
if (err) {
return next(err);
}
res.send(true);
});
}
// Find the author of the parent object
User.findOne({
'profile.username': associatedContext.author.username
}, function(err, recipient) {
if (err) {
return next(err);
}
// If the emails of both authors differ,
// only then proceed with email notification
if (
typeof data.author !== 'undefined' &&
data.author.email &&
typeof recipient !== 'undefined' &&
recipient.email &&
(data.author.email !== recipient.email)
) {
var transporter = nodemailer.createTransport({
service: 'Mandrill',
auth: {
user: secrets.mandrill.user,
pass: secrets.mandrill.password
}
});
var mailOptions = {
to: recipient.email,
from: 'Team@freecodecamp.com',
subject: data.author.username +
' replied to your post on Camper News',
text: [
'Just a quick heads-up: ',
data.author.username + ' replied to you on Camper News.',
'You can keep this conversation going.',
'Just head back to the discussion here: ',
'http://freecodecamp.com/stories/' + data.originalStoryLink,
'- the Free Code Camp Volunteer Team'
].join('\n')
};
transporter.sendMail(mailOptions, function (err) {
if (err) {
return err;
}
});
}
});
});
} catch (e) {
return next(err);
}
});
}
};
|