Myrepository的返回值必须是MyEntity的实例或为null,返回数组

时间:2019-05-11 09:19:26

标签: php symfony doctrine

我将Symfony4与理论结合使用,试图通过存储库获取数据

我在存储库中有以下查询

public function findByToday($value): ?Clock
{
return $this->createQueryBuilder('c')
        ->select('c')
        ->where('c.clockIn BETWEEN :n1days AND :today')
        ->andWhere('c.status = 0')
        ->setParameter('today', date('Y-m-d h:i:s'))
        ->setParameter('n1days', $value)
        ->getQuery()
        ->getArrayResult();
    }

我的控制器是

public function getToday(ClockRepository $repository)
{
    $date = date('Y-m-d h:i:s', strtotime("-1 days"));
    $serializer = $this->get('jms_serializer');
    $clock = $repository->findByToday($date);
    return new Response ($serializer->serialize($clock, "json"));
}

我收到的响应是:“ App \ Repository \ ClockRepository :: findByToday()的返回值必须是App \ Entity \ Clock的实例,或者为null,返回数组(500内部服务器错误)”

我已经尝试过将函数发送为findByToday(array($ date));或在我的实体构造函数中构建一个新的ArrayCollection。

我因这个错误而错位了。

这是我的实体

    <?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity(repositoryClass="App\Repository\ClockRepository")
 */
class Clock
{
    /**
     * @ORM\Id()
     * @ORM\GeneratedValue()
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @ORM\Column(type="datetime", nullable=true)
     */
    public $clockIn;

    /**
     * @ORM\Column(type="datetime", nullable=true)
     */
    public $clockOut;

    /**
     * @ORM\ManyToOne(targetEntity="App\Entity\User", inversedBy="clocks", cascade={"persist"})
     */
    private $username;

    /**
     * @ORM\Column(type="boolean", nullable=true)
     */
    private $status;


    public function getId(): ?int
    {
        return $this->id;
    }

    public function getClockIn(): ?\DateTimeInterface
    {
        return $this->clockIn;
    }

    public function setClockIn(?\DateTimeInterface $clockIn): self
    {
        $this->clockIn = $clockIn;

        return $this;
    }

    public function getClockOut(): ?\DateTimeInterface
    {
        return $this->clockOut;
    }

    public function setClockOut(?\DateTimeInterface $clockOut): self
    {
        $this->clockOut = $clockOut;

        return $this;
    }

    public function getUsername(): ?User
    {
        return $this->username;
    }

    public function setUsername(?User $username): self
    {
        $this->username = $username;

        return $this;
    }

    public function getStatus(): ?bool
    {
        return $this->status;
    }

    public function setStatus(?bool $status): self
    {
        $this->status = $status;

        return $this;
    }
}

我做错了什么?

感谢您的帮助。

1 个答案:

答案 0 :(得分:0)

我想是我的问题。

控制器中的功能

/**
 * @Rest\Get("/v1/clock/today", name="clock_today")
 */
public function getToday(ClockRepository $repository){
    $status = false;
    $user = $this->getUser();
    $date = date('Y-m-d h:i:s', strtotime("-1 days"));
    $serializer = $this->get('jms_serializer');
    $clock = $repository->findByToday($status, $date, $user);
    return new Response ($serializer->serialize($clock, "json"));
}

在我的查询构建器中查询:

public function findByToday($value1, $value2, $value3){
    return $this->createQueryBuilder('c')
        ->where('c.status = :val')
        ->andWhere('c.clockOut BETWEEN :n1days AND :today')
        ->andWhere('c.username =:user')
        ->setParameter('today', date('Y-m-d h:i:s'))
        ->setParameter('val', $value1)
        ->setParameter('n1days', $value2)
        ->setParameter('user', $value3)
        ->orderBy('c.id', 'ASC')
        ->setMaxResults(5)
        ->getQuery()
        ->getResult();
}

按预期工作。