Update Info DB

@app.route('/profile', methods=["GET", "POST"])
@login_required
def profile():
    if request.method == "POST":
        query = """
            UPDATE user
            SET first_name=:first_name, last_name=:last_name, birth_date=:birth_date
            WHERE username=:username;
        """
        params = {
            'first_name': request.form['first_name'],
            'last_name': request.form['last_name'],
            'birth_date': request.form['birth_date'],
            'username': request.form['username']
        }
        g.db.execute(query, params)
        g.db.commit()
        flash("Your profile was correctly updated")