/**
* Create a new rule object from record.
*/
public static function from_record($record)
{
$record = (object) $record;
$obj = static::create_rule($record->rule, $record->config);
$obj->id = $record->id;
$obj->target = \tool_cat\target::create_target($record->target, $record->targetid);
if (empty($record->datatype)) {
$record->datatype = 'standard';
$record->data = null;
}
// Add a datatype to the rule.
$datatype = \tool_cat\datatype::create_datatype($record->datatype, $record->data);
$obj->target->set_datatype($datatype);
return $obj;
}
/**
* Returns a list of valid data types for a given target.
*
* @param $target
* @return array [string]
* @throws \invalid_parameter_exception
*/
public static function get_datatypes($target)
{
$params = self::validate_parameters(self::get_datatypes_parameters(), array('target' => $target));
$obj = \tool_cat\target::create_target($params['target']);
$keys = $obj->get_supported_datatypes();
return array_combine($keys, array_map('ucwords', $keys));
}