autocde2.0/app/Http/Requests/API/File/KeepDirectoryUploadRequest.php

<?php

namespace App\Http\Requests\API\File;

use App\Models\Enums\FileObjectType;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Http\UploadedFile;
use Illuminate\Validation\Rules\Enum;
use Illuminate\Validation\Rules\File;

class KeepDirectoryUploadRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        $rules =  [
            "files" => "required|array",
            "folders" => "required|array",
            "object_type" => [
                "required",
                new Enum(FileObjectType::class),
            ],
            "object_id" => "min:0",
            "names" => "array",
            "folder_id" => "min:0",
            "uuid" => "max:40"
        ];

        if (! $this->request->has("object_id")) {
            $rules['uuid'] = "required|max:40";
        }

        $extensions = ['jpg','txt', 'jpeg', 'png', 'gif', 'pdf', 'xls', 'xlsx', 'zip', 'wps', 'docx', 'doc'];
        if ($this->request->get("object_type") == FileObjectType::CONTAINER->value) {
            $extensions = [...$extensions, ...config("bim.extensions")];
        }

        $rules['files.*'] = [
            File::default()->max("2gb"),
            function ($attribute, UploadedFile $value, $fail) use ($extensions) {
                if (! in_array($value->getClientOriginalExtension(), $extensions) && !in_array($value->getExtension(), $extensions)) {
                    $fail(sprintf("Please select the correct file, the following files are supported: %s", implode(",", $extensions)));
                }
            }
        ];

        return $rules;
    }
}