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app.js
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app.js
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// The required dependencies for our project
var path = require('path');
var mongo = require('mongodb');
var colors = require('colors');
var express = require('express');
var passport = require('passport');
var mongoose = require('mongoose');
var flash = require('connect-flash');
var bodyParser = require('body-parser');
var session = require('express-session');
var cookieParser = require('cookie-parser');
var expressValidator = require('express-validator');
var multer = require('multer');
const SERVER_PORT = process.env.PORT || 3000;
var logger = require('./logger');
var morgan = require('morgan');
// Load routers
var photos = require("./routes/photos");
var account = require("./routes/account");
// Init The express app
var app = express();
// Passport init
app.use(passport.initialize());
app.use(passport.session());
// Logger
app.use(morgan('combined', {
stream: logger.stream
}));
// DB Init
mongoose.connect('mongodb://127.0.0.1/node_tutorial', {
useNewUrlParser: true
},
function (err) {
err ?
console.log(colors.yellow.inverse("\n\n" +
"--------------------------------------------\n" +
"-- Error Connecting to mongodb database. --\n" +
"-- Verify that mongod is running. --\n" +
"--------------------------------------------\n")) :
console.log("\nConnected to local mongoDB.".yellow);
});
// Set up View Engine
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
// Set Static Folder
app.use(express.static(path.join(__dirname, 'public')));
// Setthe photos folder
app.set('photos', path.join(__dirname + '/public/images'));
// Add Middlewares
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
extended: true
}));
app.use(cookieParser());
// Add validation middleware
app.use(expressValidator());
app.use(multer({
dest: './uploads/'
}).single('photo'));
// Express Session Middleware
app.use(session({
secret: 'secret',
saveUninitialized: true,
resave: true,
cookie: {
maxAge: 600000 // 10 minutes
}
}));
// The flash is a special area of the session used for storing messages.
// Flash was removed in Express 3.X
// Messages are written to the flash and cleared after being displayed to the user
app.use(flash());
// Collect Global Vars
app.use(function (req, res, next) {
res.locals.success_msg = req.flash('success_msg');
res.locals.error_msg = req.flash('error_msg');
res.locals.error = req.flash('error');
res.locals.user = req.user || null;
next();
});
// Set the upload route
app.get('/upload', photos.getUploadForm);
app.post('/upload', photos.uploadImage(app.get('photos')));
// Add the download middleware
// The id is passed as parameter in the url
app.get('/photo/:id/download', photos.downloadImage(app.get('photos')));
// Handle the login/register
app.use('/account', account);
// Set the default route
app.use('/', photos.listImages);
// Set Port
app.set('port', SERVER_PORT);
// Start the server
app.listen(app.get('port'), function () {
console.log(colors.yellow('Server listening on port ' + app.get('port')));
});