def register(): form: RegisterForm = RegisterForm(request.form) if request.method == "POST" and form.validate_on_submit(): username: str = form.username.data password: str = form.password.data password_confirm: str = form.password_confirm.data school_name: str = form.school.data if password != password_confirm: return render_template("forms/register.html", form=form, error="비밀번호를 다시 입력해주세요.") if User.query.filter(User.username == username).first() is not None: return render_template("forms/register.html", form=form, error="중복되는 아이디입니다.") school: School = School.query.filter( School.name == school_name).first() if school is None: school = School.generate(db_session, school_name) db_session.add( User(username=username, password=authenticator.hash(password), school=school)), db_session.commit() return redirect("/login") return render_template("forms/register.html", form=form)