{
    "schema":{
        "bsonType":"object",
        "required":[
        ],
        "permission":{
            "read":false,
            "create":false,
            "update":false,
            "delete":false
        },
        "properties":{
            "_id":{
                "description":"ID，系统自动生成"
            },
            "appid":{
                "bsonType":"string",
                "description":"DCloud appid"
            },
            "device_id":{
                "bsonType":"string",
                "description":"设备唯一标识"
            },
            "vendor":{
                "bsonType":"string",
                "description":"设备厂商"
            },
            "push_clientid":{
                "bsonType":"string",
                "description":"推送设备客户端标识"
            },
            "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)"
            },
            "imsi":{
                "bsonType":"string",
                "description":"国际移动用户识别码(International Mobile Subscriber Identification Number)"
            },
            "model":{
                "bsonType":"string",
                "description":"设备型号"
            },
            "platform":{
                "bsonType":"string",
                "description":"平台类型"
            },
            "uni_platform":{
                "bsonType":"string",
                "description":"uni-app 运行平台，与条件编译平台相同。"
            },
            "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"
            },
            "pixel_ratio":{
                "bsonType":"string",
                "description":"设备像素比 "
            },
            "network_model":{
                "bsonType":"string",
                "description":"设备网络型号wifi\/3G\/4G\/"
            },
            "window_width":{
                "bsonType":"string",
                "description":"设备窗口宽度 "
            },
            "window_height":{
                "bsonType":"string",
                "description":"设备窗口高度"
            },
            "screen_width":{
                "bsonType":"string",
                "description":"设备屏幕宽度"
            },
            "screen_height":{
                "bsonType":"string",
                "description":"设备屏幕高度"
            },
            "rom_name":{
                "bsonType":"string",
                "description":"rom 名称"
            },
            "rom_version":{
                "bsonType":"string",
                "description":"rom 版本"
            },
            "location_latitude":{
                "bsonType":"double",
                "description":"纬度"
            },
            "location_longitude":{
                "bsonType":"double",
                "description":"经度"
            },
            "location_country":{
                "bsonType":"string",
                "description":"国家"
            },
            "location_province":{
                "bsonType":"string",
                "description":"省份"
            },
            "location_city":{
                "bsonType":"string",
                "description":"城市"
            },
            "create_date":{
                "bsonType":"timestamp",
                "description":"创建时间",
                "forceDefaultValue":{
                    "$env":"now"
                }
            },
            "last_update_date":{
                "bsonType":"timestamp",
                "description":"最后一次修改时间",
                "forceDefaultValue":{
                    "$env":"now"
                }
            }
        }
    },
    "index":[
        {
            "IndexName":"index_device_id",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"device_id",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":true
            }
        }
    ]
}