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