{
  "schema": {
    "bsonType": "object",
    "required": [],
    "permission": {
      "read": "auth.uid == doc.user_id",
      "create": false,
      "update": false,
      "delete": false
    },
    "properties": {
      "_id": {
        "description": "ID，系统自动生成"
      },
      "user_id": {
        "forceDefaultValue": {
          "$env": "uid"
        }
      },
      "date": {
        "bsonType": "timestamp",
        "description": "签到的日期时间戳",
        "permission": {
          "write": false
        }
      },
      "create_date": {
        "bsonType": "timestamp",
        "description": "签到的时间戳",
        "forceDefaultValue": {
          "$env": "now"
        }
      },
      "ip": {
        "bsonType": "string",
        "forceDefaultValue": {
          "$env": "clientIP"
        }
      }
    }
  },
  "index": []
}