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PagerAdapter.php
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PagerAdapter.php
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<?php
namespace Concrete\Core\Search\Pagination\Adapter;
use Concrete\Core\Search\ItemList\Database\ItemList;
use Pagerfanta\Adapter\AdapterInterface;
use Pagerfanta\Adapter\ArrayAdapter;
use Pagerfanta\Pagerfanta;
class PagerAdapter implements AdapterInterface
{
protected $itemList;
public function __construct(ItemList $itemList)
{
$this->itemList = $itemList;
}
public function getNbResults()
{
return -1; // Unknown
}
protected function checkPermissions($checker, $object)
{
if ($checker instanceof \Closure) {
return $checker($object);
} else {
$this->itemList->enablePermissions();
$valid = $this->itemList->checkPermissions($object);
$this->itemList->setPermissionsChecker($checker);
return $valid;
}
}
public function getSlice($offset, $length)
{
$checker = $this->itemList->getPermissionsChecker();
$manager = $this->itemList->getPagerManager();
$this->itemList->ignorePermissions();
$this->itemList
->getQueryObject()
->setMaxResults($length);
$currentResults = array();
$results = $this->itemList->getResults();
while (count($results) != 0 && count($currentResults) < $length) {
foreach($results as $result) {
if ($this->checkPermissions($checker, $result)) {
if (!isset($this->firstResult)) {
$this->firstResult = $result;
}
$currentResults[] = $result;
}
}
$manager->displaySegmentAtCursor($result, $this->itemList);
$this->itemList->ignorePermissions();
$results = $this->itemList->getResults();
}
$this->itemList->setPermissionsChecker($checker);
return $currentResults;
}
}