AWS放大获取所有者数据不仅是Id答案

【问题标题】：AWS amplify Getting the owner data not only the IdAWS放大获取所有者数据不仅是Id
【发布时间】：2022-01-12 01:33:29
【问题描述】：

这样的事情可能吗？这应该如何为这个用例设计？我是否必须添加一个 lambda 函数，以便在创建帖子时将用户 (owner) 添加到帖子中？

谁能帮我完成那个..谢谢！

这是 Post 架构：

type Post
  @model
  @key(name: "byClub", fields: ["clubId"])
  @auth(
    rules: [
      { allow: owner, operations: [create, update, delete, read] }
      { allow: private, operations: [read] }
    ]
  ) {
  id: ID!
  content: String!
  upVotes: Int!
  downVotes: Int!
  image: String
  clubId: ID!
  comments: [Comment] @connection(keyName: "byPost", fields: ["id"])
}

当我获取帖子时，这就是我得到的：

{
    "id": "xxxxxxx",
    "content": "xxxxx!",
    "upVotes": 0,
    "downVotes": 0,
    "image": null,
    "clubId": "xxxxxx",
    "comments": {
        "nextToken": null
    },
    "createdAt": "2021-12-05T10:46:59.797Z",
    "updatedAt": "2021-12-05T10:46:59.797Z",
    "owner": "moneebalalfi@gmail.com"
}

我想要这样的东西：

{
    "id": "xxxxx",
    "content": "xxxxxxx",
    "upVotes": 0,
    "downVotes": 0,
    "image": null,
    "clubId": "xxxxxxxx",
    "comments": {
        "nextToken": null
    },
    "createdAt": "2021-12-05T10:46:59.797Z",
    "updatedAt": "2021-12-05T10:46:59.797Z",
    "owner": {
       name: "xxxxx",
       email: "xxxx@gmail.com",
       image: "xxxxxx",
       // and so on ...
    }

}

【问题讨论】：

标签： reactjs amazon-web-services next.js amazon-cognito aws-amplify

【解决方案1】：

owner字段仅用于检查请求的用户是否是数据的所有者。

所有者授权指定用户是否可以访问或操作对象。为此，每个对象都将获得一个 ownerField 字段（默认情况下，如果未指定 owner 将添加到对象中），该字段存储所有权信息并在解析器执行期间以各种方式进行验证。

from Amplify Docs

为了能够与用户建立连接，您需要创建另一个 GraphQL 类型。

type User
  @model 
  @auth(
    rules: [
      { allow: owner, operations: [create, update, delete, read] }
      { allow: private, operations: [read] }
    ]
  ) {
  id: ID!
  email: String!
  image: String
}

type Post
  @model
  @key(name: "byClub", fields: ["clubId"])
  @auth(
    rules: [
      { allow: owner, operations: [create, update, delete, read] }
      { allow: private, operations: [read] }
    ]
  ) {
  id: ID!
  content: String!
  upVotes: Int!
  downVotes: Int!
  image: String
  clubId: ID!
  owner: ID
  user: User @connection(fields: ["owner"])
  comments: [Comment] @connection(keyName: "byPost", fields: ["id"])
}

如果没有显示，您可能需要配置 amplify codegen 以增加最大深度。

$ amplify configure codegen 
$ amplify codegen

【讨论】：