Adjusted

models/courses/courses.attributes.js

@@ -0,0 +1,51 @@
+const excludeAttributes = [
+];
+
+const jsonbSchemas = {
+  // Add here
+};
+
+// Different exclude sets per role
+const adminExclude = [
+  ...excludeAttributes,
+  // admins can see audit fields, so nothing extra excluded
+];
+
+const userExclude = [
+  ...excludeAttributes,
+  // regular users cannot see audit trails
+  "created_by", "updated_by", "deleted_by",
+  "deleted_at",
+];
+
+const computedAttributes = [
+  {
+    key: "unitCount",
+    label: "Units",
+    type: "number",
+    order: 5,
+    literal: `(
+      SELECT CAST(COUNT(*) AS INTEGER)
+      FROM "units"
+      WHERE "units"."course_id" = "Course"."course_id"
+        AND "units"."deletedAt" IS NULL
+    )`,
+    filterable: false,
+  },
+  {
+    key: "lessonCount",
+    label: "Lessons",
+    type: "number",
+    order: 6,
+    literal: `(
+      SELECT CAST(COUNT(*) AS INTEGER)
+      FROM "lessons"
+      INNER JOIN "units" ON "lessons"."unit_id" = "units"."unit_id"
+      WHERE "units"."course_id" = "Course"."course_id"
+        AND "lessons"."deletedAt" IS NULL
+    )`,
+    filterable: false,
+  },
+];
+
+module.exports = { excludeAttributes, adminExclude, userExclude, jsonbSchemas, computedAttributes };