autocde2.0/app/Http/Resources/API/FileAttachmentResource.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 FileAttachmentResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        $data = [
            'id' => $this->id,
            'title' => $this->title,
            'extension' => $this->extension,
            'download_url' => Storage::url($this->pathname),
            'size' => $this->size,
            'created_by' => $this->createdBy ? new UserProfileResource($this->createdBy) : null,
            'created_at' => (string) $this->created_at,
            'version' => $this->version,
            'source_name'=> $this->source_name,
            'type'=>$this->type,
            'display_id'=>$this->display_id,
            'object_id'=>$this->object_id,
            'project_id'=>$this->project_id,
        ];

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

        return $data;
    }

}