<?php
namespace Knp\Component\Pager\Event\Subscriber\Filtration;
use Knp\Component\Pager\PaginatorInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Knp\Component\Pager\Event\ItemsEvent;
class PropelQuerySubscriber implements EventSubscriberInterface
{
public function items(ItemsEvent $event)
{
$query = $event->target;
if ($query instanceof \ModelCriteria) {
if (empty($_GET[$event->options[PaginatorInterface::FILTER_VALUE_PARAMETER_NAME]])) {
return;
}
if (!empty($_GET[$event->options[PaginatorInterface::FILTER_FIELD_PARAMETER_NAME]])) {
$columns = $_GET[$event->options[PaginatorInterface::FILTER_FIELD_PARAMETER_NAME]];
} elseif (!empty($event->options[PaginatorInterface::DEFAULT_FILTER_FIELDS])) {
$columns = $event->options[PaginatorInterface::DEFAULT_FILTER_FIELDS];
} else {
return;
}
if (is_string($columns) && false !== strpos($columns, ',')) {
$columns = explode(',', $columns);
}
$columns = (array) $columns;
if (isset($event->options[PaginatorInterface::FILTER_FIELD_WHITELIST])) {
foreach ($columns as $column) {
if (!in_array($column, $event->options[PaginatorInterface::FILTER_FIELD_WHITELIST])) {
throw new \UnexpectedValueException("Cannot filter by: [{$column}] this field is not in whitelist");
}
}
}
$value = $_GET[$event->options[PaginatorInterface::FILTER_VALUE_PARAMETER_NAME]];
$criteria = \Criteria::EQUAL;
if (false !== strpos($value, '*')) {
$value = str_replace('*', '%', $value);
$criteria = \Criteria::LIKE;
}
foreach ($columns as $column) {
if (false !== strpos($column, '.')) {
$query->where($column.$criteria.'?', $value);
} else {
$query->{'filterBy'.$column}($value, $criteria);
}
}
}
}
public static function getSubscribedEvents()
{
return array(
'knp_pager.items' => array('items', 0),
);
}
}