Files
starr-philproperties/models/courses/course_prerequisite.mdl.js
T
2026-05-20 13:22:29 +08:00

15 lines
684 B
JavaScript

const { DataTypes } = require("sequelize");
const sequelize = require("../../config/db.config");
const CoursePrerequisite = sequelize.define("CoursePrerequisite", {
prereq_id: { type: DataTypes.BIGINT, primaryKey: true, autoIncrement: true },
course_id: { type: DataTypes.BIGINT, allowNull: false }, // the course that HAS this prereq
ref_type: { type: DataTypes.ENUM("course", "unit", "lesson"), allowNull: false },
ref_id: { type: DataTypes.BIGINT, allowNull: false }, // FK to courses/units/lessons
order_index:{ type: DataTypes.INTEGER, defaultValue: 0 },
}, {
tableName: "course_prerequisites",
timestamps: true,
});
module.exports = CoursePrerequisite