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HomeBackend DevelopmentPHP Tutorial类似QQ空间的社交网站的用户动态的数据库应该怎么设计?

最近在做类似的功能,遇到几个问题:
1. 动态类型多样性;
2. 数据模块化存储,各模块间通过rest调用数据,造成拉取动态列表响应时间变长;
3. 数据层级复杂,编码逻辑通用性差。例如:转发一篇文章后,评论该转发,然后回复该评论时的对象层级为: 回复->评论->文章。

求有相关经验者分享一下经验为谢!

以下是现有的设计:

动态的结构:

<code> {
      user_id: 动态创建者ID,
      action: 行为类型,
      object_type: 动态对象类型,
      object_id: 对象ID,
      object_user: 对象所有者,
      view_count: 0,
      created_at: 创建时间,
      deleted_at: 删除时间,
 }
</code>

场景列表:

<code>// A 发布 了 文章 xxx 
'action'      => NEW,
'user_id'     => A的ID,
'object_id'   => 文章ID,
'object_user' => A的ID,
'object_type' => ARTICLE,
'ext'         => [], 

// A 发布 了 N张 图片 
'action'      => NEW,
'user_id'     => A的ID,
'object_id'   => 图片ID(数组,以逗号隔开),
'object_user' => A的ID,
'object_type' => PICTURE,
'ext'         => [], 

// 4. A 提了 问题 xxxx
'action'      => NEW,
'user_id'     => A的ID,
'object_id'   => 问题ID,
'object_user' => A的ID,
'object_type' => QUESTION,
'ext'         => [], 

// 5. A 在 文章 中回复了 B 的 评论
'action'      => REPLY,
'user_id'     => A的ID,
'object_id'   => 评论ID,
'object_user' => B的ID,
'object_type' => COMMENT,
'ext' => [
    'text' => $text,
    'comment_target_id'   => '文章ID', //评论所属对象
    'comment_target_type' => 'ARTICLE',//评论所属对象类型
    'reply_id' => 回复ID,
],  

// 6. A 评论 了 B的 文章 xxxx
'action'      => COMMENT,
'user_id'     => A的ID,
'object_id'   => 文章ID,
'object_user' => B的ID,
'object_type' => 'ARTICLE',
'ext' => [
    'comment_id' => '评论ID',
],  

// 7. A 回答 了 B 的 提问 xxx
'action'      => RESPOND,
'user_id'     => A的ID,
'object_id'   => 问题ID,
'object_user' => B的ID,
'object_type' => QUESTION,
'ext' => [
    'answer_id' => '答案ID',
],  
</code>

回复内容:

最近在做类似的功能,遇到几个问题:
1. 动态类型多样性;
2. 数据模块化存储,各模块间通过rest调用数据,造成拉取动态列表响应时间变长;
3. 数据层级复杂,编码逻辑通用性差。例如:转发一篇文章后,评论该转发,然后回复该评论时的对象层级为: 回复->评论->文章。

求有相关经验者分享一下经验为谢!

以下是现有的设计:

动态的结构:

<code> {
      user_id: 动态创建者ID,
      action: 行为类型,
      object_type: 动态对象类型,
      object_id: 对象ID,
      object_user: 对象所有者,
      view_count: 0,
      created_at: 创建时间,
      deleted_at: 删除时间,
 }
</code>

场景列表:

<code>// A 发布 了 文章 xxx 
'action'      => NEW,
'user_id'     => A的ID,
'object_id'   => 文章ID,
'object_user' => A的ID,
'object_type' => ARTICLE,
'ext'         => [], 

// A 发布 了 N张 图片 
'action'      => NEW,
'user_id'     => A的ID,
'object_id'   => 图片ID(数组,以逗号隔开),
'object_user' => A的ID,
'object_type' => PICTURE,
'ext'         => [], 

// 4. A 提了 问题 xxxx
'action'      => NEW,
'user_id'     => A的ID,
'object_id'   => 问题ID,
'object_user' => A的ID,
'object_type' => QUESTION,
'ext'         => [], 

// 5. A 在 文章 中回复了 B 的 评论
'action'      => REPLY,
'user_id'     => A的ID,
'object_id'   => 评论ID,
'object_user' => B的ID,
'object_type' => COMMENT,
'ext' => [
    'text' => $text,
    'comment_target_id'   => '文章ID', //评论所属对象
    'comment_target_type' => 'ARTICLE',//评论所属对象类型
    'reply_id' => 回复ID,
],  

// 6. A 评论 了 B的 文章 xxxx
'action'      => COMMENT,
'user_id'     => A的ID,
'object_id'   => 文章ID,
'object_user' => B的ID,
'object_type' => 'ARTICLE',
'ext' => [
    'comment_id' => '评论ID',
],  

// 7. A 回答 了 B 的 提问 xxx
'action'      => RESPOND,
'user_id'     => A的ID,
'object_id'   => 问题ID,
'object_user' => B的ID,
'object_type' => QUESTION,
'ext' => [
    'answer_id' => '答案ID',
],  
</code>

http://www.oschina.net/question/12_70587 这个比较符合我的问题意思

最终我参考开源中国做了调整,以完成我们的需求:

动态的结构:

 {
      user_id:13,
      action: 行为,

      object_id: 对象ID,
      object_type: 对象类型,
      object_user_id: 对象用户ID,

      parent_object_id: 对象父级ID,
      parent_object_type: 对象父级类型,
      parent_object_user_id: 对象父级用户ID,

      reply_id: 回复ID,    // action为回复时有用
      parent_reply_id: 回复的父级回复ID,       // action为回复时有用,回复了别人对评论的回复
      text: '转发或者分享时附加文字',

      view_count: 0,

      created_at: 创建时间,
      deleted_at: 删除时间,
 }

说明:
1. object_* 只存储主要模块内容信息,不含评论;
2. parent_object_* 存储有嵌套关系的对象,比如当object_* 为答案时,parent_object_*为问题;
3. reply_id 用于直接回复评论时用到;
4. parent_reply_id 父回复ID;
5. 两个回复ID,使用情况是:当回复了别人的回复时,根据comment_id拉取评论与全部回复,在模板显示时只显示对话的两个回复。

场景列表:

一级结构:

  • 安正超 发布文章
<br>'action'         => NEW,
'user_id'        => 安正超ID,

'object_id'      => 文章ID,
'object_user_id' => 安正超ID,
'object_type'    => ARTICLE,

  • 安正超 上传 了 N张 图片
<br>'action'         => NEW,
'user_id'        => 安正超ID,

'object_id'      => 图片ID(数组,以逗号隔开),
'object_user_id' => 安正超ID,
'object_type'    => PICTURE,

  • 安正超 提了 问题 xxxx
<br>'action'         => NEW,
'user_id'        => 安正超ID,

'object_id'      => 问题ID,
'object_user_id' => 安正超ID,
'object_type'    => QUESTION

二级结构:

  • 安正超 评论文章 xxxx(回答了通用)
<br>展示:
  文章: xxxxx
      评论:xxxxx (李林评论的)

<br>'action'         => COMMENT,
'user_id'        => 安正超ID,

'object_id'      => 评论ID,
'object_type'    => COMMENT,
'object_user_id' => 安正超ID

'parent_object_id'      => 文章ID,
'parent_object_user_id' => 作者ID
'parent_object_type'    => ARTICLE,

三级结构:

  • 安正超文章回复李林评论
<br>展示:

  文章: xxxxx
      评论:xxxxx (李林评论的)
          回复:xxxx (安正超)

'action'         => REPLY,
'user_id'        => 安正超ID,

'object_id'      => 评论ID,
'object_type'    => COMMENT,
'object_user_id' => 李林ID

'parent_object_id'      => 文章ID,
'parent_object_user_id' => 作者ID
'parent_object_type'    => ARTICLE,

'reply_id'       => 安正超的回复ID

四级结构:

  • 安正超 回复李文凯问题 “xxxx” 中 李林答案 下的 评论

说明:问题信息从答案接口取回

<br>展示:

  问题: xxxxx
     答案1...
     答案2...
     答案3...(李林回答的)
        评论:xxxxx (李文凯评论的)
            回复:xxxx (安正超)

<br>'action'         => RESPOND,
'user_id'        => 安正超ID,

'object_id'      => 评论ID,
'object_type'    => COMMENT,
'object_user_id' => 李文凯的ID

'parent_object_id'      => 答案ID,
'parent_object_type'    => ANSWER,
'parent_object_user_id' => 李林ID

'reply_id'       => 安正超的回复ID

  • 安正超 回复李文凯问题 “xxxx” 中 李林答案 下的 回复

说明:问题信息从答案接口取回

<br>展示:

  问题: xxxxx
     答案1...
     答案2...
     答案3...(李林回答的)
        评论:xxxxx (A评论的)
            李文凯 回复 A:xxxx
            安正超 回复 李文凯:xxxx
<br>'action'         => RESPOND,
'user_id'        => 安正超ID,

'object_id'      => 评论ID,
'object_type'    => COMMENT,
'object_user_id' => A的ID

'parent_object_id'      =>  答案ID,
'parent_object_type'    =>  QUESTION,
'parent_object_user_id' =>  李林ID,

// 以下两个回复只在模板中用到用以决定显示哪两个回复,因为根据comment_id带着回复会全部拉回来

'parent_reply_id' => 李文凯的回复ID,
'reply_id'        => 安正超的回复ID,

欢迎各位指正!

这是你想要的 http://blog.csdn.net/java2king/article/details/6010250

怎样获取不同模块内容信息,你这个查询这张表,只能查出id,并没有具体的内容

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