Symfony：每个关联只有一个文件实体和不同的验证规则？ [英] Symfony: Only one file entity and different validation rules for each association?

问题描述

在我目前的项目中，我决定只创建一个可翻译的文件实体，并重用它所有的图像/文档属性。对于翻译，我使用Knp Doctrine Behaviors Translatable。

In my current project, I decided to create only one translatable File entity and reuse it for all image/document properties I have. For the translations, I uses Knp Doctrine Behaviors Translatable. So here is the code.

文件类：

class File
{
    use ORMBehaviors\Translatable\Translatable;

    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    public function __toString()
    {
        return (string)$this->id;
    }

    /**
     * Get id
     *
     * @return integer
     */
    public function getId()
    {
        return $this->id;
    }
}

可翻译文件类：

class FileTranslation
{
    use ORMBehaviors\Translatable\Translation;

    /**
     * @ORM\Column(type="string", length=255, nullable=true)
     */
    public $name;

    /**
     * @ORM\Column(type="string", length=255, nullable=true)
     */
    public $path;

    /**
     * @Assert\File()
     */
    private $file;

    /*
     * Non tracked parameter
     */
    public $folder;

    /**
     * Set name.
     *
     * @param string $name
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * Get name.
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Set path.
     *
     * @param string $path
     */
    public function setPath($path)
    {
        $this->path = $path;
    }

    /**
     * Get path.
     *
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

    /**
     * Sets file.
     *
     * @param UploadedFile $file
     */
    public function setFile(UploadedFile $file = null)
    {
        $this->file = $file;
    }

    /**
     * Get file.
     *
     * @return UploadedFile
     */
    public function getFile()
    {
        return $this->file;
    }

    /**
     * Set folder
     *
     * @param string $folder
     *
     * @return File
     */
    public function setFolder($folder)
    {
        $this->folder = $folder;

        return $this;
    }

    /**
     * Get folder
     *
     * @return File
     */
    public function getFolder()
    {
        return $this->folder;
    }
}

然后举例说明如何在另一个实体（User）创建一个图片属性：

And then an example of how it's used in another entity (User) to create an image property:

class User 
{
    /**
     * @ORM\OneToOne(targetEntity="File", cascade={"persist", "remove"})
     * @ORM\JoinColumn(name="image_id", referencedColumnName="id", nullable=true)
     * @Assert\Valid()
     */
    private $image;
}

没有新的。我只是跟着Symfony / Knp文档，它工作正常。然而，现在我想添加不同的验证规则每次我创建一个新的属性，如$ image为不同的实体。这里最好的策略是什么？

Nothing new. I just followed Symfony/Knp documentation and it works fine. However, now I want to add different validation rules each time I create a new property like $image for different entities. What is the best strategy here?

例如，每当我尝试在$ image属性中添加与文件相关的验证规则时，它说它找不到一个文件。

Each time I try to add a validation rule related to file in the $image property, for instance, it says it cannot find a file.

推荐答案

对于有同样问题的人，我终于做了@sylvain说，我创建了我的自定义验证器：

For those who have the same problem, I finally did what @sylvain said and I created my custom validators:

http://symfony.com /doc/current/cookbook/validation/custom_constraint.html

这是一个很棒的教程，btw：

This is a great tutorial, btw:

https://knpuniversity.com/screencast/question -answer-day / custom-validation-property-path

它工作正常。但是，我仍然认为@valid约束应该工作，我不明白为什么它没有。

It works fine. However, I still think the @valid constraint should have worked and I don't understand why it didn't.

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