testing 101

Signed-off-by: Kenneth Obsequio <k80308392@gmail.com>

database/migrations/20260101000066-add-description-to-tier-plans.js

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+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn('tier_plans', 'description', {
+      type: Sequelize.TEXT,
+      allowNull: true,
+      after: 'label',
+    });
+  },
+
+  async down(queryInterface) {
+    await queryInterface.removeColumn('tier_plans', 'description');
+  },
+};

database/migrations/20260101000067-create-payment-policies.js

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+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable('payment_policies', {
+      policy_id: {
+        type:          Sequelize.BIGINT,
+        primaryKey:    true,
+        autoIncrement: true,
+      },
+      plan_id: {
+        type:       Sequelize.BIGINT,
+        allowNull:  true,
+        unique:     true,
+        references: { model: 'tier_plans', key: 'plan_id' },
+        onDelete:   'CASCADE',
+      },
+      // Array of { code, type:'flat'|'percent', value, currency?, max_discount?,
+      //            max_uses?, expires_at?, min_amount? }
+      promo_rules: {
+        type:         Sequelize.JSONB,
+        allowNull:    false,
+        defaultValue: [],
+      },
+      // { allowed, window_value, window_unit:'minutes'|'hours'|'days', reason_required }
+      refund_policy: {
+        type:         Sequelize.JSONB,
+        allowNull:    false,
+        defaultValue: { allowed: true, window_value: 5, window_unit: 'minutes', reason_required: false },
+      },
+      // e.g. ["paypal"]
+      allowed_providers: {
+        type:         Sequelize.JSONB,
+        allowNull:    false,
+        defaultValue: ['paypal'],
+      },
+      createdAt: { type: Sequelize.DATE, allowNull: false },
+      updatedAt: { type: Sequelize.DATE, allowNull: false },
+    });
+
+    await queryInterface.addIndex('payment_policies', ['plan_id']);
+  },
+
+  async down(queryInterface) {
+    await queryInterface.dropTable('payment_policies');
+  },
+};

database/migrations/20260101000068-add-duration-unit-to-tier-plans.js

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+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn('tier_plans', 'duration_unit', {
+      type: Sequelize.STRING(10),
+      allowNull: false,
+      defaultValue: 'day',
+    });
+    await queryInterface.changeColumn('tier_plans', 'duration_days', {
+      type: Sequelize.FLOAT,
+      allowNull: false,
+    });
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.removeColumn('tier_plans', 'duration_unit');
+    await queryInterface.changeColumn('tier_plans', 'duration_days', {
+      type: Sequelize.INTEGER,
+      allowNull: false,
+    });
+  },
+};

database/migrations/20260101000069-add-preferred-currency-to-users.js

@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn('users', 'preferred_currency', {
+      type:         Sequelize.CHAR(3),
+      allowNull:    false,
+      defaultValue: 'USD',
+    });
+  },
+
+  async down(queryInterface) {
+    await queryInterface.removeColumn('users', 'preferred_currency');
+  },
+};

database/migrations/20260101000070-create-plan-prices.js

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+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable('plan_prices', {
+      price_id: { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
+      plan_id: {
+        type:       Sequelize.BIGINT,
+        allowNull:  false,
+        references: { model: 'tier_plans', key: 'plan_id' },
+        onUpdate:   'CASCADE',
+        onDelete:   'CASCADE',
+      },
+      currency: { type: Sequelize.CHAR(3),       allowNull: false },
+      price:    { type: Sequelize.DECIMAL(10, 2), allowNull: false },
+      createdAt: { type: Sequelize.DATE, allowNull: false },
+      updatedAt: { type: Sequelize.DATE, allowNull: false },
+    });
+
+    await queryInterface.addConstraint('plan_prices', {
+      fields:  ['plan_id', 'currency'],
+      type:    'unique',
+      name:    'uq_plan_prices_plan_currency',
+    });
+
+    await queryInterface.addIndex('plan_prices', ['plan_id'], {
+      name: 'idx_plan_prices_plan_id',
+    });
+  },
+
+  async down(queryInterface) {
+    await queryInterface.dropTable('plan_prices');
+  },
+};

database/migrations/20260101000071-create-course-achievements.js

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+'use strict';
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable('course_achievements', {
+      id:              { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
+      course_id:       { type: Sequelize.BIGINT, allowNull: false },
+      achievement_key: { type: Sequelize.STRING(100), allowNull: false },
+      order_index:     { type: Sequelize.INTEGER, allowNull: false, defaultValue: 0 },
+      createdAt:       { type: Sequelize.DATE, allowNull: false },
+      updatedAt:       { type: Sequelize.DATE, allowNull: false },
+    });
+
+    await queryInterface.addIndex('course_achievements', ['course_id']);
+    await queryInterface.addConstraint('course_achievements', {
+      fields: ['course_id', 'achievement_key'],
+      type: 'unique',
+      name: 'course_achievements_course_id_key_unique',
+    });
+  },
+
+  async down(queryInterface) {
+    await queryInterface.dropTable('course_achievements');
+  },
+};