Url shortener traffic exchange

# Pseudocode in Python Flask @app.route('/shorten', methods=['POST']) def shorten_url(): original_url = request.form['url'] short_id = generate_short_id() store_in_db(short_id, original_url) return f"https://yourdomain.com/{short_id}" @app.route('/') def redirect_url(short_id): url = get_url_from_db(short_id) if session_is_valid(): add_credit_to_user() return render_template('frame.html', url=url)