first commit

app/Http/Resources/TripResource.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class TripResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'name' => $this->name,
+            'description' => $this->description,
+            'user' => new UserResource($this->whenLoaded('user')),
+            'cities' => CityResource::collection($this->whenLoaded('cities')),
+            'cities_count' => $this->whenCounted('cities'),
+            'created_at' => $this->created_at?->toISOString(),
+            'updated_at' => $this->updated_at?->toISOString(),
+        ];
+    }
+}