{
  "schema": {
    "bsonType": "object",
    "required": ["user_id"],
    "properties": {
      "_id": {
        "description": "ID，系统自动生成"
      },
      "user_id": {
        "bsonType": "string",
        "description": "用户id，参考uni-id-users表"
      },
      "ua": {
        "bsonType": "string",
        "description": "userAgent"
      },
      "uuid": {
        "bsonType": "string",
        "description": "设备唯一标识(需要加密存储)"
      },
      "os_name": {
        "bsonType": "string",
        "description": "ios|android|windows|mac|linux "
      },
      "os_version": {
        "bsonType": "string",
        "description": "操作系统版本号 "
      },
       "os_language": {
        "bsonType": "string",
        "description": "操作系统语言 "
      },
      "os_theme": {
        "bsonType": "string",
        "description": "操作系统主题 light|dark"
      },
      "vendor": {
        "bsonType": "string",
        "description": "设备厂商"
      },
      "push_clientid": {
        "bsonType": "string",
        "description": "推送设备客户端标识"
      },
      "device_id": {
        "bsonType": "string",
        "description": "设备id"
      },
      "imei": {
        "bsonType": "string",
        "description": "国际移动设备识别码IMEI(International Mobile Equipment Identity)"
      },
      "oaid": {
        "bsonType": "string",
        "description": "移动智能设备标识公共服务平台提供的匿名设备标识符(OAID)"
      },
      "idfa": {
        "bsonType": "string",
        "description": "iOS平台配置应用使用广告标识(IDFA)"
      },
      "model": {
        "bsonType": "string",
        "description": "设备型号"
      },
      "platform": {
        "bsonType": "string",
        "description": "平台类型"
      },
      "create_date": {
        "bsonType": "timestamp",
        "description": "创建时间",
        "forceDefaultValue": {
          "$env": "now"
        }
      },
      "last_active_date": {
        "bsonType": "timestamp",
        "description": "最后登录时间"
      },
      "last_active_ip": {
        "bsonType": "string",
        "description": "最后登录IP"
      }
    }
  },
  "index": [
    {
      "IndexName": "device_id",
      "MgoKeySchema": {
        "MgoIndexKeys": [
          {
            "Name": "device_id",
            "Direction": "1"
          }
        ],
        "MgoIsUnique": false
      }
    },
    {
      "IndexName": "oaid",
      "MgoKeySchema": {
        "MgoIndexKeys": [
          {
            "Name": "oaid",
            "Direction": "1"
          }
        ],
        "MgoIsUnique": false
      }
    },
    {
      "IndexName": "imei",
      "MgoKeySchema": {
        "MgoIndexKeys": [
          {
            "Name": "imei",
            "Direction": "1"
          }
        ],
        "MgoIsUnique": false
      }
    }
  ]
}