Mongodb User schema model design of social platform.

user-schema-model.js

var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var UserSchema = new Schema({
  username: {
    type: String,
    unique: true,
    required: true
  },
  fullname: String,
  email: {
    type: String,
    unique: true,
    index: true,
    lowercase: true,
    required: true
  },
  userType: {type: String, enum:['user','admin'], default: 'user'},
  password: {
    type: String,
    required: true
  },
  // Contact Informations
  contactInformations: {
    phone: Number,
    website: String,
    address: String
  },
  // Work Information
  workInformations: [{
    designation: String,
    company: String,
    location: String,
    startDate: Date,
    endDate: Date,
    isContinue: Boolean
  }],
  // Education
  educationInformations: [{
    school: String,
    startDate: Date,
    endDate: Date,
    degree: String,
    isContinue: Boolean,
    fieldOfStudy: String,
    description: String
  }],
  profilePhoto: String,
  coverPhoto: String,
  emailVerification: {
    type: Boolean,
    default: false
  },
  // Friends Request
  friends: [{
    userId: { type: mongoose.Schema.Types.ObjectId, ref: 'User' },
    status: {
      type: Boolean,
      default: false
    },
    requestSendDate: {
      type: Date,
      default: Date.now
    },
    requestAcceptedDate: {
      type: Date,
      default: Date.now
    }
  }],
  aboutme: String,
  birthday: Date,
  gender: String,
  createdDate: {
    type: Date,
    default: Date.now
  },
  updatedDate: Date,
  tokenKey: String, // Randomly generated token key for api access
  salt: String, // unique salt for reset password
});