aps-data-api/src/helpers/date.ts

package for data extraction from APS company for omnimetic project

import moment from 'moment';
import { ShortMonth } from '../typings';

export const formatDate = (inputDate: Date): string =>
  moment(inputDate).format('YYYY-MM-DD');

export const formatHour = (hour: string): string => {
  const hourSplit = hour.split(' ');
  if (hourSplit[0] === '12:00' && hourSplit[1] === 'AM') {
    return '00:00';
  }
  if (hourSplit[0] === '12:00' && hourSplit[1] === 'PM') {
    return hourSplit[0];
  }
  if (hourSplit[1] === 'PM') {
    return `${12 + Number(hourSplit[0].slice(0, 2))}:00`;
  }
  return hourSplit[0];
};

export const formatBillDate = (inputDate: string): string => {
  return `${inputDate.split('_')[1]}_${
    ShortMonth[inputDate.split('_')[0] as keyof typeof ShortMonth]
  }`;
};

export const diffInDays = (startDate: Date, endDate: Date) => {
  const MS_PER_DAY = 1000 * 60 * 60 * 24;

  const utcStart = Date.UTC(
    startDate.getFullYear(),
    startDate.getMonth(),
    startDate.getDate(),
  );
  const utcEnd = Date.UTC(
    endDate.getFullYear(),
    endDate.getMonth(),
    endDate.getDate(),
  );

  return Math.floor((utcEnd - utcStart) / MS_PER_DAY);
};