add all controllers logic

app/Services/ClassSections/ClassSectionCommandService.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Services\ClassSections;
+
+use App\Models\ClassSection;
+
+class ClassSectionCommandService
+{
+    public function create(array $data): ClassSection
+    {
+        return ClassSection::query()->create($data);
+    }
+
+    public function update(ClassSection $section, array $data): ClassSection
+    {
+        $section->fill($data);
+        $section->save();
+
+        return $section->refresh();
+    }
+
+    public function delete(ClassSection $section): bool
+    {
+        return (bool) $section->delete();
+    }
+}