ldc-portsalaries/app/Policies/Rules/FlashStaticRules.php

<?php

namespace App\Policies\Rules;

use App\Models\User;
use App\Models\Flash;
use Kwaadpepper\CrudPolicies\Policies\Rules\StaticRules;

/**
 * Userlevel Policiy Static Rules
 *! Rules has to return boolean value
 */
abstract class FlashStaticRules extends StaticRules
{
    protected static function flashIsOwnedByUser(User $user, Flash $flash)
    {
        return $user->sites()->whereIn('id', [$flash->site->id])->exists();
    }
}