i created a Service to reading data from the Datebase, in order to achieve that, i want to make a Controller and throw this controller i want to call first the ReadingData Service. however get the Bug : Too few arguments to function TryPlugin\Service\ReadingData::__construct(), 1 passed in /var/www/html/var/cache/dev_he0523cc28be2f689acaab5c325675d68/ContainerFt0wDoq/Shopware_Production_KernelDevDebugContainer.php on line 25455 and exactly 2 expected

my codes :

ReadingData.php

<?php declare(strict_types=1);

namespace TryPlugin\Service;

use Shopware\Core\Framework\DataAbstractionLayer\EntityRepositoryInterface;
use Shopware\Core\Framework\Context;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;


class ReadingData
{
    private EntityRepositoryInterface $productRepository;
    private Context $con;

    public function __construct(EntityRepositoryInterface $productRepository, Context $con)
    {
        $this->productRepository = $productRepository;
        $this->con = $con;
    }

    public function readData(): void
    {
        $criteria1 = new Criteria();
        $products = $this->productRepository->search($criteria1, $this->con)->getEntities();


    }


}

PageController.php

<?php declare(strict_types=1);

namespace TryPlugin\Storefront\Controller;


use Shopware\Core\Framework\Context;
use Shopware\Core\Framework\DataAbstractionLayer\EntityRepositoryInterface;
use Shopware\Core\Framework\Routing\Annotation\LoginRequired;
use Shopware\Core\Framework\Routing\Annotation\RouteScope;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Shopware\Storefront\Controller\StorefrontController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\JsonResponse;
use TryPlugin\Service\ReadingData;


/**
 * @RouteScope (scopes={"storefront"})
 */
class PageController extends StorefrontController
{

    /**
     * @Route("/examples", name="examples", methods={"GET"})
     */
    public function showExample(ReadingData $ReadingDatan): Response
    {
        $meinData = $ReadingDatan->readData();
        return $this->renderStorefront('@Storefront/storefront/page/content/index.html.twig', [
            'products' => $meinData,
        ]);
    }
}

Service.xml:

    <service id="TryPlugin\Service\ReadingData">
        <argument type="service" id="product.repository"/>

    </service>

    <!--ReadingDate From Controller-->
    <service id="TryPlugin\Storefront\Controller\PageController" public="true">
        <call method="setContainer">
            <argument type="service" id="service_container"/>
        </call>
        <tag name="controller.service_arguments"/>

    </service>

CodePudding user response：

You need to pass the 2nd argument in service.xml

Your class requires two arguments:

public function __construct(EntityRepositoryInterface $productRepository, Context $con) { //...

but only provides one in service.xml:

<service id="TryPlugin\Service\ReadingData">
    <argument type="service" id="product.repository"/>
    <!-- Need argument for `Context $con` -->
</service>

Looking at the documentation, Context does not appear to be autowired by default.

Therefore, you must inject the service yourself in service.xml.

If you grow tired of all ways specifying the arguments in service.xml, look into enabling and configuring autowire for ShopWare.

CodePudding user response：

This is unecessary in the first place.

Do the following in your controller and pass the context down:

namespace TryPlugin\Storefront\Controller;


use Shopware\Core\Framework\Context;
use Shopware\Core\Framework\DataAbstractionLayer\EntityRepositoryInterface;
use Shopware\Core\Framework\Routing\Annotation\LoginRequired;
use Shopware\Core\Framework\Routing\Annotation\RouteScope;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Shopware\Storefront\Controller\StorefrontController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\JsonResponse;
use TryPlugin\Service\ReadingData;


/**
 * @RouteScope (scopes={"storefront"})
 */
class PageController extends StorefrontController
{

    /**
     * @Route("/examples", name="examples", methods={"GET"})
     */
    public function showExample(ReadingData $ReadingDatan, Context $context): Response
    {
        $meinData = $ReadingDatan->readData($context);
        return $this->renderStorefront('@Storefront/storefront/page/content/index.html.twig', [
            'products' => $meinData,
        ]);
    }
}

This will work since there is a parameter resolver for controllers.