Updated to separate login routes from app.js

docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - "5432:5432"
     volumes:
       - users-database:/var/lib/postgresql/data
-      - /src/database/init_data:/docker-entrypoint-initdb.d
+      - ./src/database/init_data:/docker-entrypoint-initdb.d
   web:
     container_name: node-web-interface
     image: node:lts

src/app.js

@@ -147,45 +147,9 @@ app.get("/", (req, res) => {
 	res.redirect("/home");
 });
 
-// Render login page for /login route
-app.get("/login", (req, res) => {
-	res.render("/");
-});
-
-// Trigger login form to check database for matching username and password
-app.post("/login", async (req, res) => {
-	try {
-		// Check if username exists in DB
-		const user = await db.oneOrNone(
-			"SELECT * FROM users WHERE username = $1",
-			req.body.username
-		);
-
-		if (!user) {
-			// Redirect user to login screen if no user is found with the provided username
-			return res.redirect("/register");
-		}
-
-		// Check if password from request matches with password in DB
-		const match = await bcrypt.compare(req.body.password, user.password);
-
-		// Check if match returns no data
-		if (!match) {
-			// Render the login page with the message parameter
-			return res.render("/", { message: "Password does not match" });
-		} else {
-			// Save user information in the session variable
-			req.session.user = user;
-			req.session.save();
-
-			// Redirect user to the home page
-			res.redirect("/");
-		}
-	} catch (error) {
-		// Direct user to login screen if no user is found with matching password
-		res.redirect("/register");
-	}
-});
+// Account Routes
+const loginRoutes = require("./routes/database/login");
+app.use("/", loginRoutes);
 
 /************************ 
  Registration Page Routes

src/routes/database/login.js

@@ -0,0 +1,44 @@
+const express = require("express");
+const router = express.Router();
+
+// Render login page for /login route
+router.get("/login", (req, res) => {
+	res.redirect("/");
+});
+
+// Trigger login form to check database for matching username and password
+router.post("/login", async (req, res) => {
+	try {
+		// Check if username exists in DB
+		const user = await db.oneOrNone(
+			"SELECT * FROM users WHERE username = $1",
+			req.body.username
+		);
+
+		if (!user) {
+			// Redirect user to login screen if no user is found with the provided username
+			return res.redirect("/register");
+		}
+
+		// Check if password from request matches with password in DB
+		const match = await bcrypt.compare(req.body.password, user.password);
+
+		// Check if match returns no data
+		if (!match) {
+			// Render the login page with the message parameter
+			return res.render("/", { message: "Password does not match" });
+		} else {
+			// Save user information in the session variable
+			req.session.user = user;
+			req.session.save();
+
+			// Redirect user to the home page
+			res.redirect("/");
+		}
+	} catch (error) {
+		// Direct user to login screen if no user is found with matching password
+		res.redirect("/register");
+	}
+});
+
+module.exports = router;

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;