Updated to separate login routes from app.js

src/routes/database/register.js

@@ -0,0 +1,57 @@
+const express = require("express");
+const path = require("path");
+const handlebars = require("express-handlebars");
+const Handlebars = require("handlebars");
+const bodyParser = require("body-parser");
+const bcrypt = require("bcryptjs"); //  To hash passwords
+const session = require("express-session"); // To set the session object. To store or access session data, use the `req.session`, which is (generally) serialized as JSON by the store.
+const router = express.Router();
+
+// Trigger Registration Form to Post
+router.post("/register", async (req, res) => {
+	try {
+		if (!req.body.username || !req.body.password) {
+			// If username or password is missing, respond with status 400 and an error message
+			return res
+				.status(400)
+				.json({ status: "error", message: "Invalid input" });
+		}
+
+		// Check if the username already exists in the database
+		const existingUser = await db.oneOrNone(
+			"SELECT * FROM users WHERE username = $1",
+			req.body.username
+		);
+		if (existingUser) {
+			// If a user with the same username already exists, respond with status 409 and an error message
+			return res
+				.status(409)
+				.json({ status: "error", message: "Username already exists" });
+		}
+
+		// Hash the password using bcrypt library
+		const hash = await bcrypt.hash(req.body.password, 10);
+
+		// Insert username and hashed password into the 'users' table
+		await db.none("INSERT INTO users (username, password) VALUES ($1, $2)", [
+			req.body.username,
+			hash,
+		]);
+		const user = await db.oneOrNone(
+			"SELECT * FROM users WHERE username = $1",
+			req.body.username
+		);
+		req.session.user = user;
+		req.session.save();
+		// Redirect user to the home page
+		res.redirect("/");
+	} catch (error) {
+		// If an error occurs during registration, respond with status 500 and an error message
+		res.status(500).json({
+			status: "error",
+			message: "An error occurred during registration",
+		});
+	}
+});
+
+module.exports = router;