Generate Your Full-Stack AI App

# Flask Application with Stripe Integration
from flask import Flask, render_template, request, redirect, url_for
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager, current_user, login_required
import stripe

app = Flask(__name__)
app.config.from_pyfile('config.py')

# Database setup
db = SQLAlchemy(app)

# User model
class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(120), unique=True, nullable=False)
    password = db.Column(db.String(80), nullable=False)
    is_active = db.Column(db.Boolean, default=True)
    subscription_status = db.Column(db.String(20), default='free')

# Stripe integration
stripe.api_key = app.config['STRIPE_SECRET_KEY']

@app.route('/')
def home():
    return render_template('index.html')

@app.route('/subscribe', methods=['POST'])
@login_required
def subscribe():
    # Create Stripe checkout session
    session = stripe.checkout.Session.create(
        payment_method_types=['card'],
        line_items=[{
            'price': app.config['STRIPE_PRICE_ID'],
            'quantity': 1,
        }],
        mode='subscription',
        success_url=url_for('success', _external=True),
        cancel_url=url_for('cancel', _external=True),
    )
    return redirect(session.url, code=303)

if __name__ == '__main__':
    app.run(debug=True)