ready

controllers/admin/lessons.controller.js

@@ -55,6 +55,21 @@ async function recomputeParentDurations(lessonId) {
 }
 
 const LESSON_LIST_COMPUTED = [
+  {
+    // Not its own column — consumed by the Title cell on the frontend to
+    // prefix "(UNIT)" when a lesson is already attached to at least one Unit.
+    key: "unit_count",
+    label: "Unit Count",
+    type: "number",
+    hidden: true,
+    filterable: false,
+    literal: `(
+      SELECT CAST(COUNT(*) AS INTEGER)
+      FROM unit_lessons ul
+      JOIN units u ON u.unit_id = ul.unit_id AND u."deletedAt" IS NULL
+      WHERE ul.lesson_id = "Lesson"."lesson_id"
+    )`,
+  },
   {
     key: "course_count",
     label: "Affiliated",
@@ -74,6 +89,7 @@ const LESSON_LIST_COMPUTED = [
     label: "Course Status",
     type: "text",
     order: 3, // 1: Title, 2: Affiliated, 3: Course Status — see lessons.mdl.js
+    hidden: true,
     filterable: false,
     literal: `(
       CASE