add all controllers logic

app/Http/Resources/Staff/StaffCollection.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Resources\Staff;
+
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+class StaffCollection extends ResourceCollection
+{
+    public function toArray($request): array
+    {
+        return $this->collection->map(function ($item) use ($request) {
+            return (new StaffResource($item))->toArray($request);
+        })->all();
+    }
+
+    public function with($request): array
+    {
+        if (!method_exists($this->resource, 'total')) {
+            return [];
+        }
+
+        return [
+            'meta' => [
+                'total' => $this->resource->total() ?? null,
+                'per_page' => $this->resource->perPage() ?? null,
+                'current_page' => $this->resource->currentPage() ?? null,
+                'last_page' => $this->resource->lastPage() ?? null,
+            ],
+        ];
+    }
+}