added new requirements for lessons and units

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

database/migrations/20260714000001-create-completion-requirements.js

@@ -0,0 +1,45 @@
+'use strict';
+
+// Sequelize's createTable() wraps ENUM creation in a `DO $$...$$` block for
+// idempotency, which CockroachDB rejects ("CREATE TYPE usage inside a function
+// definition is not supported"). Built as raw SQL with STRING + CHECK
+// constraints instead, matching the pattern established in
+// 20260710000001-add-status-to-courses.js. Sequelize's DataTypes.ENUM at the
+// model layer works fine against a STRING+CHECK column — no model-side change
+// needed.
+
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.sequelize.query(`
+      CREATE TABLE completion_requirements (
+        requirement_id UUID         PRIMARY KEY,
+        entity_type    STRING       NOT NULL,
+        entity_id      BIGINT       NOT NULL,
+        type           STRING       NOT NULL,
+        min_percent    INTEGER      NULL,
+        button_label   STRING       NULL,
+        is_required    BOOLEAN      NOT NULL DEFAULT true,
+        "order"        INTEGER      NOT NULL DEFAULT 0,
+        "createdBy"    BIGINT       NULL,
+        "updatedBy"    BIGINT       NULL,
+        "deletedBy"    BIGINT       NULL,
+        "createdAt"    TIMESTAMPTZ  NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        "updatedAt"    TIMESTAMPTZ  NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        "deletedAt"    TIMESTAMPTZ  NULL,
+        CONSTRAINT check_cr_entity_type CHECK (entity_type IN ('course', 'unit', 'lesson')),
+        CONSTRAINT check_cr_type CHECK (type IN ('read_all_content', 'pass_quiz', 'watch_percent', 'manual_complete'))
+      );
+    `);
+
+    await queryInterface.sequelize.query(
+      `CREATE INDEX idx_cr_entity_type_entity_id ON completion_requirements (entity_type, entity_id);`
+    );
+    await queryInterface.sequelize.query(
+      `CREATE INDEX idx_cr_type ON completion_requirements (type);`
+    );
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS completion_requirements;`);
+  },
+};