Shopware 6：如何隐藏无对应客户组价格规则的商品？

要实现无当前客户组价格规则的商品完全隐藏（包括列表、搜索、深度链接访问），需要从「列表过滤」和「详情页拦截」两方面入手，以下是具体实现步骤：

一、利用ProductListingCollectFilterEvent过滤商品列表 #

通过该事件给商品查询添加过滤条件，只保留当前客户组有价格规则的商品：

1. 创建事件订阅者类

<?php

namespace YourPlugin\Core\Content\Product\EventSubscriber;

use Shopware\Core\Content\Product\Event\ProductListingCollectFilterEvent;
use Shopware\Core\Framework\DataAbstractionLayer\EntityRepository;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\InFilter;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class ProductCustomerGroupFilterSubscriber implements EventSubscriberInterface
{
    private EntityRepository $productPriceRepository;

    public function __construct(EntityRepository $productPriceRepository)
    {
        $this->productPriceRepository = $productPriceRepository;
    }

    public static function getSubscribedEvents(): array
    {
        return [
            ProductListingCollectFilterEvent::class => 'addCustomerGroupPriceFilter',
        ];
    }

    public function addCustomerGroupPriceFilter(ProductListingCollectFilterEvent $event): void
    {
        $context = $event->getSalesChannelContext();
        $criteria = $event->getCriteria();
        $currentCustomerGroupId = $context->getCustomerGroup()->getId();

        // 查询当前客户组有价格规则的所有商品ID
        $priceCriteria = new Criteria();
        $priceCriteria->addFilter(new EqualsFilter('customerGroupId', $currentCustomerGroupId));
        $priceCriteria->setFields(['productId']);

        $productPriceEntities = $this->productPriceRepository->search($priceCriteria, $context->getContext());
        $allowedProductIds = $productPriceEntities->getEntities()->map(fn($price) => $price->getProductId());

        // 如果没有允许的商品，直接添加空过滤
        if (empty($allowedProductIds)) {
            $criteria->addFilter(new InFilter('id', []));
            return;
        }

        // 添加过滤条件，只保留有对应价格规则的商品
        $criteria->addFilter(new InFilter('id', $allowedProductIds));
    }
}

2. 注册订阅者
   在src/Resources/config/services.xml中添加服务定义：

<service id="YourPlugin\Core\Content\Product\EventSubscriber\ProductCustomerGroupFilterSubscriber">
    <argument type="service" id="product_price.repository"/>
    <tag name="kernel.event_subscriber"/>
</service>

二、拦截商品详情页访问 #

仅过滤列表还不够，用户通过深度链接直接访问商品详情页时，需要额外拦截：

1. 监听ProductLoadedEvent，移除无对应价格规则的商品

<?php

namespace YourPlugin\Core\Content\Product\EventSubscriber;

use Shopware\Core\Content\Product\Event\ProductLoadedEvent;
use Shopware\Core\Framework\DataAbstractionLayer\EntityRepository;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class ProductDetailCustomerGroupFilterSubscriber implements EventSubscriberInterface
{
    private EntityRepository $productPriceRepository;

    public function __construct(EntityRepository $productPriceRepository)
    {
        $this->productPriceRepository = $productPriceRepository;
    }

    public static function getSubscribedEvents(): array
    {
        return [
            ProductLoadedEvent::class => 'filterProductByCustomerGroupPrice',
        ];
    }

    public function filterProductByCustomerGroupPrice(ProductLoadedEvent $event): void
    {
        $context = $event->getSalesChannelContext();
        $currentCustomerGroupId = $context->getCustomerGroup()->getId();
        $products = $event->getProducts();

        foreach ($products as $key => $product) {
            // 检查当前商品是否有对应客户组的价格规则
            $priceCriteria = new Criteria();
            $priceCriteria->addFilter(new EqualsFilter('customerGroupId', $currentCustomerGroupId));
            $priceCriteria->addFilter(new EqualsFilter('productId', $product->getId()));
            $priceCount = $this->productPriceRepository->search($priceCriteria, $context->getContext())->getTotal();

            if ($priceCount === 0) {
                // 移除无价格规则的商品，前端会显示404
                unset($products[$key]);
            }
        }

        $event->setProducts($products);
    }
}

2. 同样在services.xml中注册该订阅者：

<service id="YourPlugin\Core\Content\Product\EventSubscriber\ProductDetailCustomerGroupFilterSubscriber">
    <argument type="service" id="product_price.repository"/>
    <tag name="kernel.event_subscriber"/>
</service>

三、注意事项 #

• 缓存处理：Shopware的商品列表和详情页会有缓存，需要确保缓存键包含客户组ID，避免不同客户组看到错误的商品。默认情况下Shopware已经会根据客户组区分缓存，无需额外配置。
• 匿名用户场景：上述代码会自动适配匿名用户的客户组（默认是guest组），只有给匿名组配置了对应价格规则的商品才会显示。
• 搜索结果过滤：ProductListingCollectFilterEvent会覆盖搜索、分类页等所有商品列表场景，无需额外处理搜索逻辑。

内容的提问来源于stack exchange，提问作者Philip