starr-philproperties/database/migrations/20260101000008-create-course-junction-tables.js

'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('course_products', {
      id:         { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      course_id:  { type: Sequelize.BIGINT, allowNull: false, references: { model: 'courses', key: 'course_id' }, onDelete: 'CASCADE' },
      product_id: { type: Sequelize.BIGINT, allowNull: false },
      createdAt:  { type: Sequelize.DATE, allowNull: false },
      updatedAt:  { type: Sequelize.DATE, allowNull: false },
    });

    await queryInterface.createTable('course_roles', {
      id:        { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      course_id: { type: Sequelize.BIGINT, allowNull: false, references: { model: 'courses', key: 'course_id' }, onDelete: 'CASCADE' },
      role_id:   { type: Sequelize.BIGINT, allowNull: false },
      createdAt: { type: Sequelize.DATE, allowNull: false },
      updatedAt: { type: Sequelize.DATE, allowNull: false },
    });

    await queryInterface.createTable('course_product_categories', {
      id:          { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      course_id:   { type: Sequelize.BIGINT, allowNull: false, references: { model: 'courses', key: 'course_id' }, onDelete: 'CASCADE' },
      category_id: { type: Sequelize.BIGINT, allowNull: false },
      createdAt:   { type: Sequelize.DATE, allowNull: false },
      updatedAt:   { type: Sequelize.DATE, allowNull: false },
    });
  },

  async down(queryInterface) {
    await queryInterface.dropTable('course_product_categories');
    await queryInterface.dropTable('course_roles');
    await queryInterface.dropTable('course_products');
  },
};