我有一个有两个唯一索引的实体。我喜欢向实体添加两个 UniqueEntity 约束以进行验证。
给定的实体:
/**
* @ORM'Entity
* @ORM'Table(name="sample", uniqueConstraints={
* @ORM'UniqueConstraint(columns={"user_id", "hash"}),
* @ORM'UniqueConstraint(columns={"user_id", "name"})
* })
* @UniqueEntity(fields={"user", "jobSearch"}, message="duplicate_hash")
* @UniqueEntity(fields={"user", "name"}, message="duplicate_name")
*/
class SampleEntity
{
// ...
}
问题是:只有最后@UniqueEntity
才会得到尊重。因此,如果我切换 UniqueEntity 注释,则只有 user
和name
的重复键才能被识别,反之亦然,只有 user
和 jobSearch
有没有解决方案可以用@UniqueEntity
覆盖两个唯一的索引?
我通过使用自定义验证来解决这个问题。示例代码;
在 src/AppBundle/Validator/Constraint 中
<?php
// src/AppBundle/Validator/Constraints/UniqueCodeName.php
namespace AppBundle'Validator'Constraints;
use Symfony'Component'Validator'Constraint;
/**
* @Annotation
*/
class UniqueCodeName extends Constraint
{
public $message = "must have a unique code and name.";
public function validatedBy()
{
return 'code_name';
}
}
和
<?php
// src/AppBundle/Validator/Constraints/UniqueCodeName.php
namespace AppBundle'Validator'Constraints;
use Doctrine'ORM'EntityManager;
use Symfony'Component'Validator'Constraint,
Symfony'Component'Validator'ConstraintValidator;
/**
* @Annotation
*/
class UniqueCodeNameValidator extends ConstraintValidator
{
private $entityManager;
public function __construct(EntityManager $em)
{
$this->entityManager = $em;
}
public function validate($value, Constraint $constraint)
{
$formCampaign = $this->context->getRoot()->getData();
$code_name = $formCampaign->getClient()->getCode().$formCampaign->getCode();
$campaigns = $this->entityManager->getRepository('AppBundle:Campaign')->findBy(
[
'code' => $code_name,
'name' => $formCampaign->getName()
]
);
if ($campaigns) {
$this->context->buildViolation($constraint->message)
->addViolation();
}
}
}
约束的服务声明;
services:
validator.unique.campaign_code_name:
class: AppBundle'Validator'Constraints'UniqueCodeNameValidator
tags:
- { name: validator.constraint_validator, alias: code_name }
arguments: ["@doctrine.orm.entity_manager"]
实体类示例;
<?php // src/AppBundle/Enitiy/Campaign.php
namespace AppBundle'Entity;
use AppBundle'Validator'Constraints as AppAssert;
use Doctrine'ORM'Mapping as ORM,
Doctrine'Common'Collections'ArrayCollection;
use Symfony'Bridge'Doctrine'Validator'Constraints'UniqueEntity,
Symfony'Component'Validator'Constraints as Assert;
use 'DateTime;
/**
* Campaign
*
* @ORM'Table(name="campaign")
* @ORM'Entity(repositoryClass="AppBundle'Entity'CampaignRepository")
* @UniqueEntity(fields={"code", "name"})
*/
class Campaign
{
// other stuff
/**
* @var string
*
* @ORM'Column(name="code", type="string", length=255, unique=true)
*/
private $code;
/**
* @var string
*
* @ORM'Column(name="name", type="string", length=255, unique=true)
*/
private $name;
/**
* Get code
*
* @Assert'Length(min=2, max=11, groups={"create", "update"})
* @Assert'Regex(pattern="/'d/", match=true, message="Code must be numeric", groups={"create", "update"})
* @Assert'NotBlank(groups={"create", "update"})
* @AppAssert'UniqueCodeName(groups={"create", "update"})
* @return string
*/
public function getCode()
{
return $this->code;
}
}
我想创建一个可以容纳n个其他验证器的ChainValidator
:
/**
* @ORM'Entity
* @ORM'Table(name="sample", uniqueConstraints={
* @ORM'UniqueConstraint(columns={"user_id", "hash"}),
* @ORM'UniqueConstraint(columns={"user_id", "name"})
* })
* @Chain(constraints={
* @UniqueEntity(fields={"user", "hash"}, message="duplicate_hash"),
* @UniqueEntity(fields={"user", "name"}, message="duplicate_name")
* })
*/
class SampleEntity
{
// ...
}
这样就可以向一个实体添加 n 个UniqueEntity
验证器。
当我用谷歌搜索它以了解其他人是否已经有了这个想法时。我找到了这个要点:https://gist.github.com/rybakit/4705749 基本上正是我所需要的,最终以非常相似的方式实现。