invoiceninja/app/Repositories/DocumentRepository.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Repositories;

use App\Models\Document;

/**
 * Class for document repository.
 */
class DocumentRepository extends BaseRepository
{

    /**
     * Gets the class name.
     *
     * @return     string The class name.
     */
    public function getClassName()
    {
        return Document::class;
    }

    public function delete($document)
    {
        $document->deleteFile();
        $document->forceDelete();
    }

    public function restore($document)
    {
        if (! $document->trashed()) {
            return;
        }

        $document->restore();

        if (class_exists($className)) {
            event(new $className($document));
        }
    }
}