AddViewPermissionsToRoles::down PHP Метод

    public function down()
    {
        // Delete the new view permission
        $entities = ['Book', 'Page', 'Chapter'];
        $ops = ['View All', 'View Own'];
        foreach ($entities as $entity) {
            foreach ($ops as $op) {
                $permissionName = strtolower($entity) . '-' . strtolower(str_replace(' ', '-', $op));
                $permission = DB::table('permissions')->where('name', '=', $permissionName)->first();
                DB::table('permission_role')->where('permission_id', '=', $permission->id)->delete();
                DB::table('permissions')->where('name', '=', $permissionName)->delete();
            }
        }
    }