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app.js
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app.js
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'use strict'
const express = require('express')
const bodyparser = require('body-parser')
const path = require('path')
const session = require('express-session')
const MongoDBStore = require('connect-mongodb-session')(session)
const mongoose = require('mongoose')
const User = require('./models/user')
const csrf = require('csurf')
const flash = require('connect-flash')
const multer = require('multer')
/**
* 1. Create app
* 2. Attach BodyParser
* 3. Set render engine for templates
* 4. Set up path for static files like views
* 5. Attach routes
* 6. Create associations if any exist
* 7. Set up DB
*/
const app = express()
app.use(bodyparser.urlencoded({ extended: false }))
app.use(express.static(path.join(__dirname, 'public')))
app.use('/images', express.static(path.join(__dirname, 'images')))
app.set('view engine', 'ejs')
// File storage
const fileStorage = multer.diskStorage({
destination: (req, file, cb) => {
cb(null, 'images')
},
filename: (req, file, cb) => {
cb(null, Date.now() + '-' + file.originalname)
}
})
const imageFileFilter = (req, file, cb) => {
if(file.mimetype === 'image/png' || file.mimetype === 'image/jpg' || file.mimetype === 'image/jpeg')
cb(null, true)
else
cb(null, false)
}
app.use(multer({storage: fileStorage, fileFilter: imageFileFilter}).single('image'))
const MongoStore = new MongoDBStore({
uri: `${process.env.MONGO_URL}`,
collection: 'sessions'
})
app.use(session(
{secret: 'my secret', resave: false, saveUninitialized: false, store: MongoStore}))
app.use(flash())
const adminRoutes = require('./routes/admin.js')
const shopRoutes = require('./routes/shop.js')
const errorController = require('./controllers/error')
const authRoutes = require('./routes/auth')
const csurfProtection = csrf()
app.use(csurfProtection)
app.use((req, res, next) => {
if(!req.session.user) return next()
User
.findById(req.session.user._id)
.then(user => {
if(!user) next()
req.user = user
next()
})
.catch(err => {
//This is will not do anything. Errors should be thrown outside async (then) block to have them caught by error request handler
// throw new Error(err)
// This will work
next(new Error(err))
})
})
app.use((req, res, next) => {
res.locals.isAuthenticated = req.session.isLoggedIn
res.locals.csrfToken = req.csrfToken()
next()
})
app.use('/admin', adminRoutes)
app.use(shopRoutes)
app.use(authRoutes)
mongoose
.connect(`${process.env.MONGO_URL}`)
.then(result => {
app.listen(process.env.Port || 3000)
})
.catch(err => {
console.log(err)
})
app.use('/500', errorController.get500)
app.use(errorController.get404)
// app.use((error, req, res, next) => {
// // res.status(error.httpStatusCode(500).render()
// res.redirect('/500')
// })