Dice model

dice.js

const mongoose = require('mongoose')

const {Schema} = mongoose

const Dice = new Schema({
  type: Number,
  transaction_id: mongoose.ObjectId,

  owner_id: Number,

  prize: Number,

  parity: String,
  value: Number,
  is_win: Boolean,

  rate: Number,
  coeff: Number,

  created_at: Date,
}, {versionKey: false})

Dice.pre('save', function (next) {
  if (this.created_at === undefined) {
    this.created_at = new Date()
  }
  return next()
})

module.exports = mongoose.model('Dice', Dice)