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app.js
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app.js
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const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const passport = require('passport');
const session = require('express-session');
const mongoose = require('mongoose');
const methodOverride = require('method-override');
require('dotenv').config();
// Require models
const User = require('./models/User');
// Require routes
const indexRouter = require('./routes/index');
const postsRouter = require('./routes/posts');
const reviewsRouter = require('./routes/reviews');
const app = express();
// Connect to the database
mongoose.connect(process.env.DB_URI, { useNewUrlParser: true, useUnifiedTopology: true });
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error'));
db.once('open', () => {
// We're connected
});
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(methodOverride('_method'));
// Configure Passport and Sessions
app.use(session({
secret: 'secret',
resave: false,
saveUninitialized: true
}));
app.use(passport.initialize());
app.use(passport.session());
passport.use(User.createStrategy());
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());
// Mount routes
app.use('/', indexRouter);
app.use('/posts', postsRouter);
app.use('/posts/:id/reviews', reviewsRouter);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
next(createError(404));
});
// 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;