const mongoose = require('mongoose'); const location = require('./common').location; module.exports = mongoose.model('Location', new mongoose.Schema({ unitId: { type: String, required: true }, // unitId, IMEI or userId date: { type: String, require: true }, dist: { type: Number, require: true }, // total travel distance in meters total: { type: Number, require: true }, // total track locations locs: [location] }));