我怎样才能让它工作,以便我可以根据 getCurrentFilter('properties') 结果过滤条件?
以便可以将所选属性包含在条件中。由于事件顺序,现在它不起作用。
我可以告诉 Symfony 重新加载页面来获取它吗?
有人知道另一个事件来实现这个吗?
<?php // declare(strict_types=1);
namespace CustomFilterBasedOnSelectedOptions\Subscriber;
class Subscriber implements EventSubscriberInterface
{
private ?array $currentPropertyOptions = null;
public static function getSubscribedEvents(): array
{
return [
ProductListingCriteriaEvent::class => 'ListingCriteria',
ProductListingResultEvent::class => 'ListingResult'
];
}
public function ListingResult(ProductListingResultEvent $event)
{
$properties = $event->getResult();
$this->currentPropertyOptions = $properties->getCurrentFilter('properties');
}
public function ListingCriteria(ProductListingCriteriaEvent $event): void
{
$event->getCriteria()->addAssociation('properties');
$event->getCriteria()->addAssociation('properties.group');
$currentPropertyOptions = $this->currentPropertyOptions;
/*
if (in_array('c0d02d1738fd4293a489695787e06b5c', $currentPropertyOptions)) {
$criteria = $event->getCriteria();
$criteria->addFilter(new MultiFilter(
MultiFilter::CONNECTION_OR,
[
new ContainsFilter('product.properties.name', 'Option1'),
new ContainsFilter('product.properties.name', 'Option2')
]
)
);
}
*/
}
}
如果我对你正在尝试做的事情的假设是正确的,你不需要一个属性来记忆两个事件之间的过滤器值。构建过滤器时,它们将存储为
Criteria
的扩展。您只需要订阅 ProductListingCriteriaEvent
具有足够低的优先级,因此在调用您的侦听器时已经设置了扩展。通过将优先级设置为-200
,它应该足够低。
然后只需检查是否设置了带有
FilterCollection
的扩展名,并包含带有键Filter
的properties
,以提取过滤器值。
use Shopware\Core\Content\Product\Events\ProductListingCriteriaEvent;
use Shopware\Core\Content\Product\SalesChannel\Listing\Filter;
use Shopware\Core\Content\Product\SalesChannel\Listing\FilterCollection;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class Subscriber implements EventSubscriberInterface
{
public static function getSubscribedEvents(): array
{
return [
ProductListingCriteriaEvent::class => [
['onListingCriteria', -200],
],
];
}
public function onListingCriteria(ProductListingCriteriaEvent $event): void
{
$criteria = $event->getCriteria();
$filters = $criteria->getExtension('filters');
if (!$filters instanceof FilterCollection) {
return;
}
$propertyFilter = $filters->get('properties');
if (!$propertyFilter instanceof Filter || !\is_array($propertyFilter->getValues())) {
return;
}
$currentPropertyOptions = $propertyFilter->getValues();
// ...
}
}