ceph/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/duration.pipe.ts

   1 import { Pipe, PipeTransform } from '@angular/core';
   2
   3 import * as moment from 'moment';
   4
   5 @Pipe({
   6   name: 'duration',
   7   pure: false
   8 })
   9 export class DurationPipe implements PipeTransform {
  10   transform(date: any, isRelative = false): string {
  11     if (isRelative) {
  12       return moment(date).fromNow();
  13     } else {
  14       return this._forHumans(date);
  15     }
  16   }
  17
  18   /**
  19    * Translates seconds into human readable format of seconds, minutes, hours, days, and years
  20    * source: https://stackoverflow.com/a/34270811
  21    *
  22    * @param  {number} seconds The number of seconds to be processed
  23    * @return {string}         The phrase describing the the amount of time
  24    */
  25   _forHumans(seconds: number): string {
  26     const levels = [
  27       [`${Math.floor(seconds / 31536000)}`, 'years'],
  28       [`${Math.floor((seconds % 31536000) / 86400)}`, 'days'],
  29       [`${Math.floor((seconds % 86400) / 3600)}`, 'hours'],
  30       [`${Math.floor((seconds % 3600) / 60)}`, 'minutes'],
  31       [`${Math.floor(seconds % 60)}`, 'seconds']
  32     ];
  33     let returntext = '';
  34
  35     for (let i = 0, max = levels.length; i < max; i++) {
  36       if (levels[i][0] === '0') {
  37         continue;
  38       }
  39       returntext +=
  40         ' ' +
  41         levels[i][0] +
  42         ' ' +
  43         (levels[i][0] === '1' ? levels[i][1].substr(0, levels[i][1].length - 1) : levels[i][1]);
  44     }
  45     return returntext.trim() || '1 second';
  46   }
  47 }