Order.js

var schema = new mongoose.Schema({

    stage:          { type: Number, default: 1 },
    phone:          { type: String, required: true },
    phoneExtra:     { type: 'Mixed'},  // Dadata extended data
    loan:           { type: Number, min: 1000, max: 17000 }, // Amount of desired money
    term:           { type: Number, min: 1, max: 17}, // Term of the loan in days
    city:           { type: 'ObjectId', ref: 'City'},


    officeCityId:   { type: 'ObjectId' },
    officeId:       { type: 'ObjectId' },