app.js

require('dotenv').config();

const express = require('express');
const engine = require('ejs-mate');
const path = require('path');
const favicon = require('serve-favicon');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const passport = require('passport');
const User = require('./models/user');
const session = require('express-session');
const mongoose = require('mongoose');
const methodOverride = require('method-override');
const seedPosts = require('./seeds');
// seedPosts();

// require routes
const index 	= require('./routes/index');
const posts 	= require('./routes/posts');
const reviews = require('./routes/reviews');

const app = express();

// connect to the database
mongoose.connect(process.env.DB_URL || 'mongodb://localhost:27017/surf-shop', {
  useNewUrlParser: true,
  useCreateIndex: true,
  useUnifiedTopology: true
});

const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', () => {
  console.log('we\'re connected!');
});

// use ejs-locals for all ejs templates:
app.engine('ejs', engine);
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
// set public assets directory
app.use(express.static('public'));

app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(methodOverride('_method'));

// Add moment to every view
app.locals.moment = require('moment');

// Configure Passport and Sessions
app.use(session({
  secret: 'hang ten dude!',
  resave: false,
  saveUninitialized: true
}));

app.use(passport.initialize());
app.use(passport.session());

passport.use(User.createStrategy());
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

// set local variables middleware
app.use(function(req, res, next) {
  // req.user = {
  //   // '_id' : '5bb27cd1f986d278582aa58c',
  //   // '_id' : '5bc521c0b142b6d7f7523406',
  //   '_id' : '5bfed10ad176f845e38aec92',
  //   'username' : 'ian3'
  // }
  res.locals.currentUser = req.user;
  // set default page title
  res.locals.title = 'Surf Shop';
  // set success flash message
  res.locals.success = req.session.success || '';
  delete req.session.success;
  // set error flash message
  res.locals.error = req.session.error || '';
  delete req.session.error;
  // continue on to next function in middleware chain
  next();
});

// Mount routes
app.use('/', index);
app.use('/posts', posts);
app.use('/posts/:id/reviews', reviews);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  const err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;