def review(): content = request.form.get('review-content') article_id = request.form.get('article_id') review = Review(content=content) user = session.get('user_id') author = User.query.filter(User.id==user).first() article = Article.query.filter(Article.id==article_id).first() review.article=article review.author=author db.session.add(review) db.session.commit() return redirect(url_for('detail',article_id=article_id))