vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/Subscriber/Filtration/Doctrine/ORM/QuerySubscriber.php line 23
<?php
namespace Knp\Component\Pager\Event\Subscriber\Filtration\Doctrine\ORM;
use Doctrine\ORM\Query;
use Knp\Component\Pager\ArgumentAccess\ArgumentAccessInterface;
use Knp\Component\Pager\Event\ItemsEvent;
use Knp\Component\Pager\Event\Subscriber\Filtration\Doctrine\ORM\Query\WhereWalker;
use Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\Query\Helper as QueryHelper;
use Knp\Component\Pager\Exception\InvalidValueException;
use Knp\Component\Pager\PaginatorInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class QuerySubscriber implements EventSubscriberInterface
{
private ArgumentAccessInterface $argumentAccess;
public function __construct(ArgumentAccessInterface $argumentAccess)
{
$this->argumentAccess = $argumentAccess;
}
public function items(ItemsEvent $event): void
{
if (!$event->target instanceof Query) {
return;
}
if (!$this->hasQueryParameter($event->options[PaginatorInterface::FILTER_VALUE_PARAMETER_NAME])) {
return;
}
$filterValue = $this->getQueryParameter($event->options[PaginatorInterface::FILTER_VALUE_PARAMETER_NAME]);
if ((empty($filterValue) && $filterValue !== '0')) {
return;
}
$filterName = null;
if ($this->hasQueryParameter($event->options[PaginatorInterface::FILTER_FIELD_PARAMETER_NAME])) {
$filterName = $this->getQueryParameter($event->options[PaginatorInterface::FILTER_FIELD_PARAMETER_NAME]);
}
if (!empty($filterName)) {
$columns = $filterName;
} elseif (!empty($event->options[PaginatorInterface::DEFAULT_FILTER_FIELDS])) {
$columns = $event->options[PaginatorInterface::DEFAULT_FILTER_FIELDS];
} else {
return;
}
$value = $this->getQueryParameter($event->options[PaginatorInterface::FILTER_VALUE_PARAMETER_NAME]);
if (str_contains($value, '*')) {
$value = str_replace('*', '%', $value);
}
if (is_string($columns) && str_contains($columns, ',')) {
$columns = explode(',', $columns);
}
$columns = (array) $columns;
if (isset($event->options[PaginatorInterface::FILTER_FIELD_ALLOW_LIST])) {
foreach ($columns as $column) {
if (!in_array($column, $event->options[PaginatorInterface::FILTER_FIELD_ALLOW_LIST])) {
throw new InvalidValueException("Cannot filter by: [$column] this field is not in allow list");
}
}
}
$event->target
->setHint(WhereWalker::HINT_PAGINATOR_FILTER_VALUE, $value)
->setHint(WhereWalker::HINT_PAGINATOR_FILTER_COLUMNS, $columns);
QueryHelper::addCustomTreeWalker($event->target, WhereWalker::class);
}
public static function getSubscribedEvents(): array
{
return [
'knp_pager.items' => ['items', 0],
];
}
private function hasQueryParameter(string $name): bool
{
return $this->argumentAccess->has($name);
}
private function getQueryParameter(string $name): ?string
{
return $this->argumentAccess->get($name);
}
}