PTB-be/model/pengunjung.model.js

const mongoose = require('mongoose')
const user = require('./user.model')
const { Schema, Types } = mongoose

module.exports = mongoose.model(
  'Pengunjung',
  new Schema(
    {
      os: { type: String },
      ipv4: { type: String },
      location: {
        country: { type: String },
        region: { type: String },
        city: { type: String },
        lat: { type: Number },
        lon: { type: Number },
        timezone: { type: String },
      },
    },
    { timestamps: true }
  ),
  'pengunjung'
)