feat: Implement AI-driven lesson summaries, automate quiz generation, add gamification base, and introduce Studio organization management.

services/cms-service/src/handlers_outline.rs

@@ -0,0 +1,56 @@
+
+#[derive(Serialize)]
+pub struct ModuleWithLessons {
+    #[serde(flatten)]
+    pub module: Module,
+    pub lessons: Vec<Lesson>,
+}
+
+#[derive(Serialize)]
+pub struct CourseWithOutline {
+    #[serde(flatten)]
+    pub course: Course,
+    pub modules: Vec<ModuleWithLessons>,
+}
+
+pub async fn get_course_outline(
+    Org(org_ctx): Org,
+    State(pool): State<PgPool>,
+    Path(id): Path<Uuid>,
+) -> Result<Json<CourseWithOutline>, StatusCode> {
+    // 1. Fetch Course
+    let course = sqlx::query_as::<_, Course>("SELECT * FROM courses WHERE id = $1 AND organization_id = $2")
+        .bind(id)
+        .bind(org_ctx.id)
+        .fetch_one(&pool)
+        .await
+        .map_err(|_| StatusCode::NOT_FOUND)?;
+
+    // 2. Fetch Modules
+    let modules = sqlx::query_as::<_, Module>("SELECT * FROM modules WHERE course_id = $1 ORDER BY position")
+        .bind(id)
+        .fetch_all(&pool)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    let mut modules_with_lessons = Vec::new();
+
+    // 3. Fetch Lessons (This could be optimized with a single query, but N+1 is acceptable for course editor scale)
+    for module in modules {
+        let lessons = sqlx::query_as::<_, Lesson>("SELECT * FROM lessons WHERE module_id = $1 ORDER BY position")
+            .bind(module.id)
+            .fetch_all(&pool)
+            .await
+            .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+        modules_with_lessons.push(ModuleWithLessons {
+            module,
+            lessons,
+        });
+    }
+
+    Ok(Json(CourseWithOutline {
+        course,
+        modules: modules_with_lessons,
+    }))
+}