Refactor routes.py

app/routes/auth.py

@@ -0,0 +1,39 @@
+from flask import Blueprint, render_template, redirect, url_for, flash
+from werkzeug.security import generate_password_hash, check_password_hash
+from app.models import db, User
+from app.forms import LoginForm, SignupForm
+from flask_login import login_user, login_required, logout_user
+
+auth = Blueprint('auth', __name__)
+
+@auth.route('/signup', methods=['GET', 'POST'])
+def signup():
+    form = SignupForm()
+    if form.validate_on_submit():
+        hashed_password = generate_password_hash(form.password.data)
+        new_user = User(username=form.username.data, password_hash=hashed_password)
+        db.session.add(new_user)
+        db.session.commit()
+        flash("Account created successfully. Please log in.", "success")
+        return redirect(url_for('auth.login'))
+    return render_template('signup.html', form=form)
+
+@auth.route('/login', methods=['GET', 'POST'])
+def login():
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user and check_password_hash(user.password_hash, form.password.data):
+            login_user(user)
+            flash("Logged in successfully.", "success")
+            return redirect(url_for('main.dashboard'))
+        flash("Invalid username or password.", "danger")
+    return render_template('login.html', form=form)
+
+@auth.route('/logout')
+@login_required
+def logout():
+    logout_user()  # Logs out the current user
+    flash('You have been logged out.', 'success')
+    return redirect(url_for('auth.login'))  # Redirect to login page or home page
+