'use strict';

// Standalone tier gate for Lessons, mirroring units.subscription (see
// 20270101000012-create-units.js) — null means open (or gated only via an
// attached unit/course). Full parity with the Unit-level gate added for the
// standalone Units/Lessons tier-gating extension.
module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.addColumn('lessons', 'subscription', {
      type: Sequelize.STRING(50),
      allowNull: true,
    });
  },

  async down(queryInterface) {
    await queryInterface.removeColumn('lessons', 'subscription');
  },
};