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app.js
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app.js
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// requires
const express = require('express');
const expressLayouts = require('express-ejs-layouts');
const app = express();
const bodyParser = require('body-parser');
const methodOverride = require('method-override');
const morgan = require('morgan');
const router = require('./config/routes');
const session = require('express-session');
const flash = require('express-flash');
const User = require('./models/user');
const {PORT, DB_URI} = require('./config/environment');
// set up mongoose
const mongoose = require('mongoose');
mongoose.Promise = require('bluebird');
mongoose.connect(DB_URI);
// layouts
app.set('view engine', 'ejs'); //sets up the template engine - ejs
app.use(expressLayouts); //configures the first piece of middleware - express-ejs-layouts
app.set('views', `${__dirname}/views`); //sets up the views filepath
// static files
app.use(express.static(`${__dirname}/public`)); //sets up public filepath
// middleware
app.use(morgan('dev'));
app.use(bodyParser.urlencoded({extended: true}));
app.use(methodOverride((req) => {
if (req.body && typeof req.body === 'object' && '_method' in req.body) {
const method = req.body._method;
delete req.body._method;
return method;
}
}));
// this allows us to set up a sessionID and save to a cookie
app.use(session({
secret: 'canCallThisAnything',
resave: false,
saveUninitialized: false
}));
// this allows us to check the cookie to determine if a user is logged in
app.use((req, res, next) => {
if(!req.session.userId) return next();
User
.findById(req.session.userId)
.then(user => {
console.log(`I'm reassigning the locals.user to ${user.username}`);
res.locals.loggedInUser = user;
res.locals.isLoggedIn = true;
next();
});
});
app.use(flash());
// routes
app.use(router);
// sets up port to listen
app.listen(PORT, () => console.log(`Express is now listening on port ${PORT}`));