app.js

const path = require("path");
const express = require("express");
const mongoose = require("mongoose");
const dotenv = require("dotenv");
const morgan = require("morgan");
const exphbs = require("express-handlebars");
const methodOverride = require("method-override");
const passport = require("passport");
const session = require("express-session");
const MongoStore = require("connect-mongo");

const connectDB = require("./config/db");

// Load config
dotenv.config({ path: "./config/config.env.development" });

// Handlebars Helpers
const {
  formatDate,
  stripTags,
  truncate,
  editIcon,
  select
} = require("./helpers/hbs");

// Load passport
require("./config/passport")(passport);

connectDB();

const app = express();

// Body parser
app.use(express.urlencoded({ extended: false }));
app.use(express.json());

// Method override for form actions
app.use(
  methodOverride((req, res) => {
    if (req.body && typeof req.body === "object" && "_method" in req.body) {
      // look in urlencoded POST bodies and delete it
      const method = req.body._method;
      delete req.body._method;
      return method;
    }
  })
);

// Logging
if (process.env.NODE_ENV === "development") {
  app.use(morgan("dev"));
}

// Handlebars
app.engine(
  ".hbs",
  exphbs({
    helpers: { formatDate, stripTags, truncate, editIcon, select },
    defaultLayout: "main",
    extname: ".hbs"
  })
);
app.set("view engine", ".hbs");

// Sessions
app.use(
  session({
    secret: process.env.EXPRESS_SESSION_SECRET,
    resave: false,
    saveUninitialized: false,
    store: new MongoStore({ mongoUrl: process.env.MONGO_URI })
  })
);

// Passport middleware
app.use(passport.initialize());
app.use(passport.session());

// Set user as a global var for use as loggedUser in index.hbs
app.use((req, res, next) => {
  res.locals.user = req.user || null;
  next();
});

// Static folder
app.use(express.static(path.join(__dirname, "public")));

app.use("/", require("./routes/index"));
app.use("/auth", require("./routes/auth"));
app.use("/stories", require("./routes/stories"));

const PORT = process.env.PORT || 7070;

app.listen(
  PORT,
  console.log(`Server running in ${process.env.NODE_ENV} mode on port ${PORT}`)
);