/**
* Extracts the sorters from the JSON object.
*
* @param $data
*
* @throws \Exception
*
* @return Sorter A Sorter object
*/
private function extractJSONSorters($data)
{
$sorter = new Sorter();
if ($data->property) {
if (strpos($data->property, '.') !== false) {
$associations = explode('.', $data->property);
$property = array_pop($associations);
$sorter->setAssociation(implode('.', $associations));
$sorter->setProperty($property);
} else {
$sorter->setAssociation(null);
$sorter->setProperty($data->property);
}
} else {
throw new \Exception('You need to set the filter property');
}
if ($data->direction) {
switch (strtoupper($data->direction)) {
case 'DESC':
$sorter->setDirection("DESC");
break;
case 'ASC':
default:
$sorter->setDirection("ASC");
break;
}
} else {
$sorter->setDirection("ASC");
}
return $sorter;
}
