system_asset_fns.inc

<?php
function system_asset_fns_create_pre_check(Asset $asset)
{
    $db = DAL::getDb();

    $sql = 'SELECT COUNT(*)
            FROM '.SQ_TABLE_RUNNING_PREFIX.'ast
            ';
    $where = 'type_code = :type_code';
    $where = $GLOBALS['SQ_SYSTEM']->constructRollbackWhereClause($where);
    $sql  .= $where;

    try {
        $query = MatrixDAL::preparePdoQuery($sql);
        MatrixDAL::bindValueToPdo($query, 'type_code', $asset->type(), PDO::PARAM_STR);
        $exists = MatrixDAL::executePdoOne($query);
    } catch (Exception $e) {
        throw new Exception('Unable to check for existing system asset of type "'.$type_code.'" due to database error: '.$e->getMessage());
    }

    if ($exists) {
        trigger_localised_error('CORE0085', E_USER_WARNING, $GLOBALS['SQ_SYSTEM']->am->getTypeInfo($asset->type(), 'name'));
        return FALSE;
    }

    return TRUE;

}//end system_asset_fns_create_pre_check()


function system_asset_fns_create_cleanup(Asset $asset)
{
    // remove any write and admin permissions that have been set on this asset and it's dependants
    $assetids = array_keys($GLOBALS['SQ_SYSTEM']->am->getDependantChildren($asset->id));
    foreach ($assetids as $assetid) {
        foreach (Array(SQ_PERMISSION_WRITE, SQ_PERMISSION_ADMIN) as $perm) {
            $unset_perms = $GLOBALS['SQ_SYSTEM']->am->getPermission($assetid, $perm, NULL, FALSE, FALSE, TRUE);
            foreach ($unset_perms as $userid => $access) {
                if (!$GLOBALS['SQ_SYSTEM']->am->deletePermission($assetid, $userid, $perm)) {
                    return FALSE;
                }
            }
        }
    }

    return TRUE;

}//end system_asset_fns_create_cleanup()


?>