/**
* If the provider does not perform the paging (ordering, top, skip) then this method does it
*
* @param array $result
* @return array
*/
private function performPaging(array $result)
{
//Apply (implicit and explicit) $orderby option
$internalOrderByInfo = $this->request->getInternalOrderByInfo();
if (!is_null($internalOrderByInfo)) {
$orderByFunction = $internalOrderByInfo->getSorterFunction()->getReference();
usort($result, $orderByFunction);
}
//Apply $skiptoken option
$internalSkipTokenInfo = $this->request->getInternalSkipTokenInfo();
if (!is_null($internalSkipTokenInfo)) {
$matchingIndex = $internalSkipTokenInfo->getIndexOfFirstEntryInTheNextPage($result);
$result = array_slice($result, $matchingIndex);
}
//Apply $top and $skip option
if (!empty($result)) {
$top = $this->request->getTopCount();
$skip = $this->request->getSkipCount();
if (is_null($skip)) {
$skip = 0;
}
$result = array_slice($result, $skip, $top);
}
return $result;
}
