app.js

const path = require("path");
const express = require("express");
const methodOverride = require("method-override");
const passport = require("passport");
const session = require("express-session");
const MongoStore = require("connect-mongo");
const dotenv = require("dotenv");
const PORT = process.env.PORT || 5000;
const morgan = require("morgan");
const exphbs = require("express-handlebars");
const connectDB = require("./config/db");

const app = express();

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

// Method override
app.use(
    methodOverride(function (req, res) {
        if (req.body && typeof req.body === "object" && "_method" in req.body) {
            let method = req.body._method;
            delete req.body._method;
            return method;
        }
    })
);

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

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

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

connectDB();

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

// Handlebars
// // Will throw error if .engine is not after exphbs
app.engine(
    ".hbs",
    exphbs.engine({
        helpers: {
            formatDate,
            stripTags,
            truncate,
            editIcon,
            select,
        },
        defaultLayout: "main",
        extname: ".hbs",
    })
);
app.set("view engine", ".hbs");

// Session middleware
app.use(
    session({
        secret: "keyboard cat",
        resave: false,
        saveUninitialized: false,
        store: MongoStore.create({
            mongoUrl: process.env.MONGO_URI,
        }),
    })
);

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

// Set global var
app.use(function (req, res, next) {
    res.locals.user = req.user;
    next();
});

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

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

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