def save_to_gifts(isbn): """ 保存赠书记录视图函数 :param isbn: :return: """ if current_user.can_save_to_list(isbn): with db.auto_commit(): gift = Gift() gift.isbn = isbn gift.uid = current_user.id # 每发起一次赠书,系统赠送用户鱼豆 current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK'] db.session.add(gift) else: flash('这本书已添加至你的赠送清单或已存在于你的心愿清单,请不要重复添加') return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn): if current_user.can_save_to_list(isbn): # 事务 # 回滚 # try: with db.auto_commit(): gift = Gift() gift.isbn = isbn gift.uid = current_user.id current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK'] db.session.add(gift) # db.session.commit() # except Exception as e: # db.session.rollback() # raise e else: flash('已经在赠送清单或者心愿清单,请不要重复添加') return redirect(url_for('web.book_detail', isbn=isbn))