autocde2.0/app/Http/Resources/API/FileDownloadResource.php

<?php

namespace App\Http\Resources\API;

use App\Models\Enums\BimFileConvertStatus;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Support\Facades\Storage;

class FileDownloadResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        $data =  [
            'id' => $this->id,
            'title' => $this->title,
            'download_url' => Storage::url($this->pathname),
            'extension' => $this->extension,
            'size' => $this->size,
            'version' => $this->version,
        ];

        if ($this->is_bim == 1 && $this->bimFile && $this->bimFile->convert_status == BimFileConvertStatus::DONE->value) {
            $data['model_preview'] = true;
        }

        return $data;
    }
}