codigo actual del servidor, con avances de joan

app/Http/Resources/V2/StatesCollection.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Resources\V2;
+
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+class StatesCollection extends ResourceCollection
+{
+    public function toArray($request)
+    {
+        return [
+            'data' => $this->collection->map(function ($data) {
+                return [
+                    'id'      => (int) $data->id,
+                    'country_id' => (int) $data->country_id,
+                    'name' => $data->name,
+                ];
+            })
+        ];
+    }
+
+    public function with($request)
+    {
+        return [
+            'success' => true,
+            'status' => 200
+        ];
+    }
+}