将 SecurityContext 注入 Symfony2 中的侦听器 prePersist 或 preUpdate 以在 createdBy 或 updatedBy 中获取用户导致循环引用错误 [英] Injecting SecurityContext into a Listener prePersist or preUpdate in Symfony2 to get User in a createdBy or updatedBy Causes Circular Reference Error

问题描述

我设置了一个侦听器类，我将在其中设置任何学说 prePersist 上的 ownerid 列.我的 services.yml 文件看起来像这样......

I setup a listener class where i'll set the ownerid column on any doctrine prePersist. My services.yml file looks like this ...

services:
my.listener:
    class: AppSharedBundleListenerEntityListener
    arguments: ["@security.context"]
    tags:
        - { name: doctrine.event_listener, event: prePersist }

我的班级看起来像这样......

and my class looks like this ...

use DoctrineORMEventLifecycleEventArgs;
use SymfonyComponentSecurityCoreSecurityContextInterface;

class EntityListener
{

protected $securityContext;

public function __construct(SecurityContextInterface $securityContext)
{
    $this->securityContext = $securityContext;
}


/**
 *
 * @param LifecycleEventArgs $args 
 */
public function prePersist(LifecycleEventArgs $args)
{

    $entity = $args->getEntity();
    $entityManager = $args->getEntityManager();

    $entity->setCreatedby();

}
}

这样做的结果是以下错误.

The result of this is the following error.

ServiceCircularReferenceException:检测到服务doctrine.orm.default_entity_manager"的循环引用，路径:doctrine.orm.default_entity_manager -> Doctrine.dbal.default_connection -> my.listener -> security.context -> security.authentication.manager-> fos_user.user_manager".

ServiceCircularReferenceException: Circular reference detected for service "doctrine.orm.default_entity_manager", path: "doctrine.orm.default_entity_manager -> doctrine.dbal.default_connection -> my.listener -> security.context -> security.authentication.manager -> fos_user.user_manager".

我的假设是安全上下文已经注入链中的某个地方，但我不知道如何访问它.有任何想法吗?

My assumption is that the security context has already been injected somewhere in the chain but I don't know how to access it. Any ideas?

推荐答案

我遇到了类似的问题，唯一的解决方法是在构造函数中传递整个容器(参数:['@service_container']).

I had similar problems and the only workaround was to pass the whole container in the constructor (arguments: ['@service_container']).

use DoctrineORMEventLifecycleEventArgs;
use SymfonyComponentDependencyInjectionContainerInterface;

class MyListener
{
    protected $container;

    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    // ...

    public function prePersist(LifeCycleEventArgs $args)
    {
        $securityContext = $this->container->get('security.context');

        // ...
    }
}

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