app.js

require('dotenv').config();

const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const express = require('express');
const favicon = require('serve-favicon');
const hbs = require('hbs');
const mongoose = require('mongoose');
const logger = require('morgan');
const path = require('path');
const cors = require('cors');

const session = require('express-session');
const MongoStore = require('connect-mongo')(session);
const flash = require('connect-flash');

const mongoConnectURI =
  process.env.NODE_ENV === 'development'
    ? process.env.MONGODB_URI_DEV
    : process.env.MONGODB_URI_PROD;

mongoose
  .connect(mongoConnectURI, { useNewUrlParser: true, useFindAndModify: false })
  .then(x => {
    console.log(
      `Connected to Mongo! Database name: "${x.connections[0].name}"`
    );
  })
  .catch(err => {
    console.error('Error connecting to mongo', err);
  });

const app_name = require('./package.json').name;
const debug = require('debug')(
  `${app_name}:${path.basename(__filename).split('.')[0]}`
);

const app = express();

// Middleware Setup
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

// Express View engine setup

app.use(
  require('node-sass-middleware')({
    src: path.join(__dirname, 'public'),
    dest: path.join(__dirname, 'public'),
    sourceMap: true
  })
);

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');
app.use(express.static(path.join(__dirname, 'public')));

app.use(favicon(path.join(__dirname, 'public', 'images', 'favicon.ico')));

hbs.registerHelper('ifUndefined', (value, options) => {
  if (arguments.length < 2)
    throw new Error('Handlebars Helper ifUndefined needs 1 parameter');
  if (typeof value !== undefined) {
    return options.inverse(this);
  } else {
    return options.fn(this);
  }
});

// default value for title local
app.locals.title = 'Express - Generated with IronGenerator';

// Enable authentication using session + passport
app.use(
  session({
    secret: 'irongenerator',
    resave: true,
    saveUninitialized: true,
    store: new MongoStore({ mongooseConnection: mongoose.connection })
  })
);
app.use(flash());
require('./passport')(app);

// ADD CORS SETTINGS HERE TO ALLOW CROSS-ORIGIN INTERACTION:

app.use(
  cors({
    origin: process.env.BASE_URL_CLIENT,
    credentials: true
  })
);

const index = require('./routes/index');
app.use('/', index);

const authRoutes = require('./routes/auth');
app.use('/api/auth', authRoutes);

const userRoutes = require('./routes/user');
app.use('/api/users', userRoutes);

const alertRoutes = require('./routes/alert');
app.use('/api/alerts', alertRoutes);

const eventRoutes = require('./routes/event');
app.use('/api/events', eventRoutes);

const ngoRoutes = require('./routes/ngo');
app.use('/api/ngo', ngoRoutes);

const categoryRoutes = require('./routes/category');
app.use('/api/categories', categoryRoutes);

app.use((req, res) => {
  res.sendFile('/public/index.html');
});

module.exports = app;