/
server.js
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server.js
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// Requirements
var mongoose = require('mongoose');
var bodyParser = require('body-parser');
var md5 = require('md5');
var cookieParser = require('cookie-parser');
var express = require('express');
var handlebars = require('express-handlebars');
var moment = require('moment');
var connect = require('connect');
var methodOverride = require('method-override');
var http = require('http');
var aws = require('aws-sdk');
var app = express();
var router = express.Router();
var port = process.env.PORT || 3000;
var mongoURI = process.env.MONGOLAB_URI || 'mongodb://localhost/influx';
// Listener
app.engine('.hbs', handlebars({
defaultLayout: 'single',
extname: '.hbs',
helpers: {
ifEquals: function(v1, v2, options) {
return (v1 == v2)
? options.fn(this)
: options.inverse(this);
}
}
}));
app.set('view engine', '.hbs');
app.listen(port);
// Models
var User = require('./models/User.js');
var Story = require('./models/Story.js');
// Middleware
app.use(methodOverride('_method'));
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(express.static('public'));
app.use(cookieParser());
// AWS Env Variables
var AWS_ACCESS_KEY = process.env.AWS_ACCESS_KEY_ID;
var AWS_SECRET_KEY = process.env.AWS_SECRET_ACCESS_KEY;
var S3_BUCKET = process.env.S3_BUCKET_NAME;
// Database
mongoose.connect(mongoURI);
// ================================================
// 0. View homepage and dashboard
// ================================================
app.get('/', function(req, res) {
var user_id = req.cookies.loggedInId;
// Story.find({ user: user_id }).sort('-date').exec(function(err, stories) {
Story.find().exec(function(err, stories) {
res.render('index', {
stories: stories,
isUserLoggedIn: (typeof req.cookies.loggedInId !== 'undefined')
});
});
});
app.get('/dashboard', function(req, res) {
var user_id = req.cookies.loggedInId;
var user_stories;
var user_faves;
var send_data = {};
// Get the user's 'favorites' array; save array to var 'user_faves'
Story.find({ user: user_id }).sort('-date').exec(function(err, stories) {
User.find({ _id: user_id }, 'favorites', function(err, data) {
var user_faves = data[0].favorites;
Story.find({ '_id': { $in: user_faves } }, function(err, faves) {
res.render('dashboard', {
stories: stories,
favorites: faves,
isUserLoggedIn: (typeof req.cookies.loggedInId !== 'undefined')
})
});
});
});
});
// ================================================
// 1. Signup new user
// ================================================
app.post('/users', function(req, res) {
var password_hash = md5(req.body.password);
var user = new User({
username: req.body.username,
password_hash: password_hash
});
user.save(function(err) {
if (err) {
console.log(err);
res.redirect('/');
} else {
console.log('User is created.');
res.cookie('loggedInId', user.id, { maxAge:31556952000 });
res.redirect('/');
}
});
});
// ================================================
// 2. Login returning user
// ================================================
app.post('/login', function(req, res) {
User.findOne({
username: req.body.username,
password_hash: md5(req.body.password)
}, function(err, user) {
if (!user) {
console.log(err);
res.redirect('/');
} else {
console.log('User is logged in.');
res.cookie('loggedInId', user.id);
res.redirect('/');
};
});
});
// ================================================
// 3. Logout user
// ================================================
app.get('/logout', function(req, res) {
res.clearCookie('loggedInId');
res.redirect('/');
});
// ================================================
// 4. Create new story
// ================================================
app.post('/stories', function(req, res) {
date = moment(req.body.updated_at).format("MMM Do, YYYY");
var story = new Story({
date: date,
location: req.body.location.replace(", United States", ""),
latitude: req.body.latitude,
longitude: req.body.longitude,
prompt: req.body.prompt,
anecdote: req.body.anecdote,
image: req.body.image || '/default.jpg',
user: req.cookies.loggedInId
});
console.log(story);
story.save(function(err) {
if (err) {
console.log(err);
} else {
console.log('Story is created.');
res.redirect('/dashboard');
}
});
});
// ================================================
// 5. Get individual story
// ================================================
app.get('/stories', function(req, res) {
Story.findById({ _id: req.body.id }, {
date: date,
location: req.body.location.replace(", United States", ""),
latitude: req.body.latitude,
longitude: req.body.longitude,
prompt: req.body.prompt,
anecdote: req.body.anecdote,
image: req.body.image,
user: req.cookies.loggedInId
}, function(err, story) {
if (err) {
console.log(err);
} else {
res.send(story);
}
});
});
// ================================================
// 6. Edit individual story
// ================================================
app.put('/stories/:id', function(req, res) {
date = moment(req.body.updated_at).format("MMM Do, YYYY");
Story.findOneAndUpdate({ _id: req.params.id }, {
date: date,
location: req.body.location.replace(", United States", ""),
latitude: req.body.latitude,
longitude: req.body.longitude,
prompt: req.body.prompt,
anecdote: req.body.anecdote,
image: req.body.image,
user: req.cookies.loggedInId
}, function(err, story) {
if (err) {
console.log(err);
} else {
res.redirect('/dashboard');
}
});
});
// ================================================
// 7. Delete story
// ================================================
app.delete('/stories/:id', function(req, res) {
Story.findByIdAndRemove(req.params.id).exec(function(err, story) {
if (err) {
res.statusCode = 404;
} else {
res.redirect('/dashboard');
}
});
});
// ================================================
// 8. Add favorite story
// ================================================
app.put('/users', function(req, res) {
var user_id = req.cookies.loggedInId;
User.findByIdAndUpdate(user_id, {
$addToSet: { "favorites": req.body.storyId },
}, function(err, user) {
if (err) {
console.log(err);
} else {
res.send('done');
}
});
});
// ================================================
// 9. Upload image file to AWS
// ================================================
app.get('/sign_s3', function(req, res) {
aws.config.update({
accessKeyId: AWS_ACCESS_KEY,
secretAccessKey: AWS_SECRET_KEY
});
var s3 = new aws.S3();
var key = req.cookies.loggedInId + '_' + new Date().getTime() + '_' + req.query.file_name;
var s3_params = {
Bucket: S3_BUCKET,
Key: key,
Expires: 60,
ContentType: req.query.file_type,
ACL: 'public-read'
};
s3.getSignedUrl('putObject', s3_params, function(err, data) {
if (err) {
console.log(err);
} else {
var return_data = {
signed_request: data,
url: 'https://'+S3_BUCKET+'.s3.amazonaws.com/'+key
};
res.send(return_data);
}
});
});