backend_adaptive_learning/models/index.js

import { Sequelize } from "sequelize";
import UserModel from "./userModel.js";
import SubjectModel from "./subjectModel.js";
import TopicModel from "./topicModel.js";
import LevelModel from "./levelModel.js";

// Impor operator Op
const Op = Sequelize.Op;

const models = {
  User: UserModel(Sequelize.DataTypes),
  Subject: SubjectModel(Sequelize.DataTypes),
  Topic: TopicModel(Sequelize.DataTypes),
  Level: LevelModel(Sequelize.DataTypes),
  Sequelize,
  Op,
};

export default models;