app.js

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 cookieSession = require('cookie-session');
const cors  = require('cors');
const app = express();
const serverConstants = require('./config/server-constants');
const passportSetup = require('./config/passport-setup');
const sessionKeys = passportSetup.isProd() ? process.env.GOOGLE_SECRET : require('./config/keys').session.cookieKey;
const profileRouter = require('./routes/profile');
const apiRouter = require('./routes/api');
const indexRouter = require('./routes/index');
const usersRouter = require('./routes/users');
const authRouter = require('./routes/auth');

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(cors({
  origin: serverConstants.corsOrigins,
  methods: "GET,HEAD,PUT,PATCH,POST,DELETE",
  credentials: true // allow session cookie from browser to pass through
}));
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(cookieSession({
  maxAge:60*60*24*1000,
  keys:[sessionKeys]
}));
app.use(express.static(path.join(__dirname, 'public')));
app.use(passport.initialize());
app.use(passport.session());


app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/auth', authRouter);
app.use('/profile',profileRouter);
app.use('/api',apiRouter);



// 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;