/**
* Changes as existing asset in the database
*
* @param int|string $folder Folder ID or String (/Workspace/.../)
* @param string $view View name (e.g. display, details)
* @param array $data Associative Array containing one asset
* @param int $id Numeric ID of the asset
* @return array|int succes: numeric ID, error: array( field_name => array( array( field_displayname, message ), ... ) )
*/
static function asset_update($folder, $view, array $data, $id)
{
self::_require_access($folder, "write", $view);
$sgsml = new sgsml($folder, $view, array($id));
if ($sgsml->current_view["SCHEMA_MODE"] != "edit") {
exit("{t}Access denied.{/t} " . sprintf("{t}Invalid schema mode '%s'{/t}", $sgsml->current_view["SCHEMA_MODE"]));
}
return $sgsml->update($data, $id);
}
