feat: add sub category for media

app/Http/Controllers/CategoryController.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Category;
+use Illuminate\Http\Request;
+
+class CategoryController extends Controller
+{
+    public function index(Request $request)
+    {
+        $query = Category::query()->withCount('subcategories');
+
+        if ($request->boolean('with_subcategories')) {
+            $query->with('subcategories');
+        }
+
+        return response()->json(
+            $query->orderBy('name')->get()
+        );
+    }
+
+    public function store(Request $request)
+    {
+        $data = $request->validate([
+            'name' => 'required|string|max:255|unique:categories,name',
+        ]);
+
+        $category = Category::create($data);
+
+        return response()->json([
+            'message' => 'Category created successfully',
+            'category' => $category,
+        ], 201);
+    }
+
+    public function show($id)
+    {
+        $category = Category::with('subcategories')->withCount('subcategories')->findOrFail($id);
+
+        return response()->json($category);
+    }
+
+    public function update(Request $request, $id)
+    {
+        $category = Category::findOrFail($id);
+
+        $data = $request->validate([
+            'name' => 'required|string|max:255|unique:categories,name,' . $category->id,
+        ]);
+
+        $category->update($data);
+
+        return response()->json([
+            'message' => 'Category updated successfully',
+            'category' => $category,
+        ]);
+    }
+
+    public function destroy($id)
+    {
+        $category = Category::findOrFail($id);
+        $category->delete();
+
+        return response()->json(['message' => 'Category deleted successfully']);
+    }
+}