{
  "schema": {
    "bsonType": "object",
    "required": ["article_id", "user_id", "comment_content", "like_count", "comment_type", "reply_user_id", "reply_comment_id"],
    "properties": {
      "_id": {
        "description": "存储文档 ID（文章 ID），系统自动生成"
      },
      "article_id": {
        "bsonType": "string",
        "description": "文章ID，opendb-news-posts 表中的`_id`字段"
      },
      "user_id": {
        "bsonType": "string",
        "description": "评论者ID，参考`uni-id-users` 表"
      },
      "comment_content": {
        "bsonType": "string",
        "description": "评论内容",
        "title": "评论内容"
      },
      "like_count": {
        "bsonType": "int",
        "description": "评论喜欢数、点赞数"
      },
      "comment_type": {
        "bsonType": "int",
        "description": "回复类型： 0 针对文章的回复  1 针对评论的回复"
      },
      "reply_user_id": {
        "bsonType": "string",
        "description": "被回复的评论用户ID，comment_type为1时有效"
      },
      "reply_comment_id": {
        "bsonType": "string",
        "description": "被回复的评论ID，comment_type为1时有效"
      },
      "comment_date": {
        "bsonType": "timestamp",
        "description": "评论发表时间"
      },
      "comment_ip": {
        "bsonType": "string",
        "description": "评论发表时 IP 地址",
        "forceDefaultValue": {
          "$env": "clientIP"
        }
      }
    }
  },
  "data": [],
  "index": [
      { 
            "IndexName": "article_id_", 
            "MgoKeySchema": { 
                "MgoIndexKeys": [{
                    "Name": "article_id", 
                    "Direction": "1" 
                }],
                "MgoIsUnique": false
            }
        },
         { 
            "IndexName": "user_id_", 
            "MgoKeySchema": { 
                "MgoIndexKeys": [{
                    "Name": "user_id", 
                    "Direction": "1" 
                }],
                "MgoIsUnique": false
            }
        }
  ]
}