updated db migration

database/migrations/20270101000067-create-completion-requirements.js

@@ -0,0 +1,41 @@
+'use strict';
+
+// Raw SQL — 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"). STRING + CHECK instead,
+// same pattern used throughout this schema for CRDB compatibility.
+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', 'watch_video', 'listen_audio'))
+      );
+    `);
+
+    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;`);
+  },
+};