使用 Symfony 5 和 APIplatform 在 POST_WRITE 事件上插入教义

Question

我想在每次用户创建团队时添加一个新的用户团队（获取团队、用户和角色）。我创建了一个事件订阅者 TeamFirstUserAdminSubscriber.php 但它不起作用并且我没有错误消息。

这是我的数据库模型：

这里是 TeamFirstUserAdminSubscriber.php 文件

<?php


namespace App\Events;


use ApiPlatform\Core\EventListener\EventPriorities;
use App\Entity\Team;
use App\Entity\UserTeam;
use App\Repository\RoleUserTeamRepository;
use App\Repository\TeamRepository;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ViewEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Security\Core\Security;

class TeamFirstUserAdminSubscriber implements EventSubscriberInterface

{
private $security;
private $repository;
private $repositoryT;
private $manager;

public function __construct(Security $security, RoleUserTeamRepository $repository, TeamRepository $repositoryT, EntityManagerInterface $manager)
{
    $this->security = $security;
    $this->repository = $repository;
    $this->repositoryT = $repositoryT;
    $this->manager = $manager;
}

public static function getSubscribedEvents()
{
    return[
        KernelEvents::VIEW => ['setInstanceUserTeam', EventPriorities::POST_WRITE],
    ];
}

public function setInstanceUserTeam(ViewEvent $event)
{
    $team = $event->getControllerResult();
    $method = $event->getRequest()->getMethod();

    if($team instanceof Team && $method === 'POST')
    {
        //get the user connected
        $user = $this->security->getUser();

        //get the last team created
        $lastTeam = $this->repositoryT->findLastTeamCreated();

        //get the admin role (NOT the symfony one)
        $admin = $this->repository->findOneByRoleAdmin('Admin');

        //should create a new UserTeam instance with the User, the Team and the RoleUserTeam wanted
        $userTeam = new UserTeam();
        $userTeam->setUser($user);
        $userTeam->setTeam($lastTeam);
        $userTeam->setRoleUserTeam($admin);

        $manager = $this->manager;
        $manager->persist($userTeam);
        $manager->flush();


    }

}

当我用邮递员尝试时，新的 UserTeam 没有在数据库中创建，但团队创建得很好。 我想我错过了一些东西，但我不知道是什么。 谁能帮帮我？

Answer 1

我看不到您的完整代码（控制器、表单等），但您可以在没有事件侦听器的情况下实现这一点。如您所知，为用户分配什么团队，为什么不在创建用户对象时将其分配给实体。例如，如果您在控制器中使用表单

public function addAdminUser(Request $request, RoleUserTeamRepository $repository, TeamRepository $repositoryT, EntityManagerInterface $manager)

{

$user = new User();

$form = $this->createForm(UserForm::class, $user);
    
$form->handleRequest($form);
    
    
if ($form->isSubmitted && $form->isValid()) {
        
  //get the last team created
        
  $lastTeam = $this->repositoryT->findLastTeamCreated();
        
  //get the admin role (NOT the symfony one)

  $admin = $this->repository->findOneByRoleAdmin('Admin');

        
  //should create a new UserTeam instance with the User, the Team and the 
  RoleUserTeam wanted
        

  $userTeam = new UserTeam();
        
  $userTeam->setUser($user);
        
  $userTeam->setTeam($lastTeam);
        
  $userTeam->setRoleUserTeam($admin);
        
  $user->setUserTeam($userTeam);

        
  //persist the user
        
  $manager->persist($user);
        
  $manager->flush();
    
 }
    
}

如果你想使用事件，我建议使用 Doctrine 事件。您可以在用户实体上使用 prePersist 事件来实现相同的结果。 Doctrine Events

Answer 2

我解决了我的问题，我需要在我的实体中保持级联。在这里，如果它可以帮助一些人： 我在 Team 实体中有这个

public function __construct()
{
    $this->id = Team::class;
    $this->userTeams = new ArrayCollection();
    $this->categories = new ArrayCollection();
}

public function userTeam()
{
    $newUserTeam = new UserTeam();
    $newUserTeam->setTeam($this);
    $this->userTeams->add($newUserTeam);
}

UserTeam 实体，我必须在关系 ManyToOne 中添加 cascade={"persist"}：

class UserTeam
{
/**
 * @ORM\Id
 * @ORM\GeneratedValue
 * @ORM\Column(type="integer")
 */
private $id;

/**
 * @ORM\ManyToOne(targetEntity=Team::class, inversedBy="userTeams", cascade={"persist"})
 * @ORM\JoinColumn(nullable=false)
 * @Groups({"users_read", "userTeam_read"})
 */
private $team;

还有我修改的 TeamByUserSubscriber ：

    <?php

namespace App\Events;

use ApiPlatform\Core\EventListener\EventPriorities;
use App\Entity\Team;
use App\Entity\UserTeam;
use App\Repository\RoleUserTeamRepository;
use App\Repository\TeamRepository;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ViewEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Security\Core\Security;

class TeamByUserSubscriber implements EventSubscriberInterface
{
private $security;
private $repository;
private $entityManager;

public function __construct(Security $security, RoleUserTeamRepository $repository, EntityManagerInterface $entityManager)
{
    $this->security = $security;
    $this->repository = $repository;
    $this->entityManager = $entityManager;
}

public static function getSubscribedEvents()
{
    return[
        KernelEvents::VIEW => ['setUserForTeam', EventPriorities::PRE_VALIDATE],
    ];
}

public function setUserForTeam(ViewEvent $event)
{
    $team = $event->getControllerResult();
    $method = $event->getRequest()->getMethod();

    if($team instanceof Team && $method === 'POST')
    {
        //get the connected User
        $user = $this->security->getUser();

        //put the current User to the team we are creating (as the creator of the team)
        $team->setUser($user);

        //get the Admin role from the RoleUserTeam entity
        $admin = $this->repository->findOneByRoleAdmin('Admin');

        //create a new instance of UserTeam with the connected User, the Team we are creating and the role
        $userTeam = new UserTeam();
        $userTeam->setUser($user);
        $userTeam->setTeam($team);
        $userTeam->setRoleUserTeam($admin);
        $manager = $this->entityManager;
        $manager->persist($userTeam);
        $manager->flush();
    }


}