text: let mongoose = require('mongoose')
  
  let Schema = mongoose.Schema
  
  const checkin = {
      order_id: {type: String},
      order_checkin_people: {type: Array,default: []},
      order_checkin_time: {type: Number, default: new Date()},
  }
  
  
  const checkinSchema = new Schema(checkin)
  
  module.exports = mongoose.model('checkin',checkinSchema)