Symfony API 平台实体继承

Question

我的项目使用实体和 API 平台上的学说 2 类表继承来提供 API 端点。

/**
 * @ORM\Entity(repositoryClass="App\Repository\PartyRepository")
 * @ORM\InheritanceType("JOINED")
 * @ORM\DiscriminatorColumn(name="discr", type="string")
 * @ORM\DiscriminatorMap({
 *      "org" = "Organization",
 *      "person" = "Person"
 * })
 * @ORM\HasLifecycleCallbacks()
 */
abstract class Party {}

/**
 * @ApiResource()
 * @ORM\Entity(repositoryClass="App\Repository\PersonRepository")
 * @ORM\InheritanceType("JOINED")
 * @ORM\DiscriminatorColumn(name="discr", type="string")
 * @ORM\DiscriminatorMap({
 *      "person" = "Person",
 *      "agent" = "Agent"
 * })
 * @ORM\HasLifecycleCallbacks()
 */
class Person extends Party {}

/**
 * @ApiResource()
 * @ORM\Entity(repositoryClass="App\Repository\AgentRepository")
 * @ORM\HasLifecycleCallbacks()
 */
class Agent extends Person {
    private $affiliation;
}

问题是在查看Person 的 API 平台模型时，它具有所有子属性，例如 Agent::$affiliation。

Agent {
  affiliation string
  name string
    readOnly: true

  familyName string
  givenName string
  id string
    readOnly: true

  createdAt string($date-time)
  updatedAt string($date-time)
}

Person {
  name string
    readOnly: true

  familyName string
  givenName string
  id string
    readOnly: true

  createdAt string($date-time)
  updatedAt string($date-time)
  affiliation string
}

Answer 1

直接来自“注意事项”下的docs for doctrine Class Table Inheritance：

@InheritanceType、@DiscriminatorColumn 和 @DiscriminatorMap 必须在作为映射实体层次结构一部分的 topmost 类中指定

尝试以下操作并更新架构

/**
 * @ORM\Entity(repositoryClass="App\Repository\PartyRepository")
 * @ORM\InheritanceType("JOINED")
 * @ORM\DiscriminatorColumn(name="discr", type="string")
 * @ORM\DiscriminatorMap({
 *      "org" = "Organization",
 *      "person" = "Person",
 *      "agent" = "Agent"
 * })
 * @ORM\HasLifecycleCallbacks()
 */
abstract class Party {}

/**
 * @ApiResource()
 * @ORM\Entity(repositoryClass="App\Repository\PersonRepository")
 * @ORM\HasLifecycleCallbacks()
 */
class Person extends Party {}

/**
 * @ApiResource()
 * @ORM\Entity(repositoryClass="App\Repository\AgentRepository")
 * @ORM\HasLifecycleCallbacks()
 */
class Agent extends Person {
    private $affiliation;
}