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

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