refactor: 规范部分API接口响应格式

app/Http/Resources/InviteCodeResource.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class InviteCodeResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        $data = [
+            "user_id" => $this['user_id'],
+            "code" => $this['code'],
+            "pv"    => $this['pv'],
+            "status" => $this['status'],
+            "created_at" => $this['created_at'],
+            "updated_at" => $this['updated_at']
+        ];
+        if(!config('hidden_features.enable_exposed_user_count_fix')) $data['user_id']= $this['user_id'];
+        return $data;
+    }
+}