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https://github.com/rgrgogu/new_starr.git
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43 lines
2.2 KiB
JavaScript
43 lines
2.2 KiB
JavaScript
'use strict';
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// Tier Plans v2: bundle items (courses/units/lessons) may now belong to more
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// than one plan simultaneously — the old single-column unique constraints
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// enforced "one item = at most one plan ever", which blocks that. Replace
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// each with a composite unique on (plan_id, item_id), which still prevents
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// the same item being added twice to the *same* plan.
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module.exports = {
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async up(queryInterface) {
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await queryInterface.removeConstraint('plan_courses', 'plan_courses_course_id_key').catch(() => {});
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await queryInterface.removeIndex('plan_courses', 'plan_courses_course_id_key').catch(() => {});
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await queryInterface.addIndex('plan_courses', ['plan_id', 'course_id'], {
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unique: true,
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name: 'plan_courses_plan_id_course_id_unique',
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});
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await queryInterface.removeConstraint('plan_units', 'plan_units_unit_id_key').catch(() => {});
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await queryInterface.removeIndex('plan_units', 'plan_units_unit_id_key').catch(() => {});
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await queryInterface.addIndex('plan_units', ['plan_id', 'unit_id'], {
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unique: true,
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name: 'plan_units_plan_id_unit_id_unique',
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});
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await queryInterface.removeConstraint('plan_lessons', 'plan_lessons_lesson_id_key').catch(() => {});
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await queryInterface.removeIndex('plan_lessons', 'plan_lessons_lesson_id_key').catch(() => {});
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await queryInterface.addIndex('plan_lessons', ['plan_id', 'lesson_id'], {
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unique: true,
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name: 'plan_lessons_plan_id_lesson_id_unique',
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});
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},
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async down(queryInterface, Sequelize) {
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await queryInterface.removeIndex('plan_courses', 'plan_courses_plan_id_course_id_unique');
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await queryInterface.changeColumn('plan_courses', 'course_id', { type: Sequelize.BIGINT, allowNull: false, unique: true });
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await queryInterface.removeIndex('plan_units', 'plan_units_plan_id_unit_id_unique');
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await queryInterface.changeColumn('plan_units', 'unit_id', { type: Sequelize.BIGINT, allowNull: false, unique: true });
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await queryInterface.removeIndex('plan_lessons', 'plan_lessons_plan_id_lesson_id_unique');
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await queryInterface.changeColumn('plan_lessons', 'lesson_id', { type: Sequelize.BIGINT, allowNull: false, unique: true });
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},
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};
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