DateDomain.js

import { DateTime } from "luxon";

const DEFAULT_DATE = {
    H24: { label: '24 Hours', hours: 24 },
    D7: { label: '7 Days', hours: 24 * 7 },
    D30: { label: '30 Days', hours: 24 * 30 }
}

/**
 * 
 */
export class DateDomain {

  _formDate = null;
  _apiDate = null;
  _locale = null;

  /**
   * 
   * @param {date: Date, local: String} param0 
   */
  constructor ({date, locale = 'Australia/Sydney'}) {
    this._formDate = date;
    this._apiDate =  DateTime.fromJSDate(date);
    this._locale = locale;
  }

  static now (locale) {
    return new DateDomain({ date: new Date(), locale: locale });
  }

  static newDate24HoursAgo (locale) {
    return new DateDomain({ date: new Date(), locale: locale }).minus({ hours: 24 });
  }

  static newDate7DaysAgo (locale) {
    return new DateDomain({ date: new Date(), locale: locale }).minus({ hours: 24 * 7 });
  }

  static newDate30DaysAgo (locale) {
    return new DateDomain({ date: new Date(), locale: locale }).minus({ hours: 24 * 30 });
  }

  static fromTimestamp (timestampInSecond, locale = "Australia/Sydney") {
    return new DateDomain({ date: new Date(timestampInSecond * 1000), locale: locale });
  }

  static fromISO (iso, locale = "Australia/Sydney") {
    return new DateDomain({ date: new Date(iso), locale: locale });
  }

  get formDate () {
    return this._formDate;
  }

  set formDate (formDate) {
    this._formDate = formDate;
    this._apiDate =  DateTime.fromJSDate(formDate, { zone: this._locale });
  }

  get locale () {
    return this._locale;
  }

  set locale (locale) {
    this._locale = locale;
  }

  getApiFormatedDate () {
    return this._apiDate.toString();
  }

  minus ({ hours }) {
    this._apiDate = this._apiDate.minus({ hours: hours });
    this._formDate = this._apiDate.toJSDate();
    return this;
  }

  isAfter (date) {
    return date.formDate - this.formDate;
  }

  isBefore (date) {
    return this.formDate - date.formDate;
  }

  toFormat (format) {
    return this._apiDate.toFormat(format);
  }

  toReadbleDate (granularity = 'DD at hh:mma') {
    return this._apiDate.toLocaleString(DateTime.DATETIME_MED);
  }

}