silverstripe-framework/tests/php/Assets/AssetControlExtensionTest/VersionedObject.php

<?php

namespace SilverStripe\Assets\Tests\AssetControlExtensionTest;

use SilverStripe\Assets\Storage\DBFile;
use SilverStripe\Dev\TestOnly;
use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\Versioning\Versioned;
use SilverStripe\Security\Member;

/**
 * Versioned object with attached assets
 *
 * @property string $Title
 * @property DBFile $Header
 * @property DBFile $Download
 * @mixin    Versioned
 */
class VersionedObject extends DataObject implements TestOnly
{
    private static $extensions = array(
        Versioned::class
    );

    private static $db = array(
        'Title' => 'Varchar(255)',
        'Header' => "DBFile('image/supported')",
        'Download' => 'DBFile'
    );

    private static $table_name = 'AssetControlExtensionTest_VersionedObject';

    /**
     * @param Member $member
     * @return bool
     */
    public function canView($member = null)
    {
        if (!$member) {
            $member = Member::currentUser();
        }

        // Expectation that versioned::canView will hide this object in draft
        $result = $this->extendedCan('canView', $member);
        if ($result !== null) {
            return $result;
        }

        // Open to public
        return true;
    }
}