server/helpers/utils.ts

   1 import { pseudoRandomBytes } from 'crypto'
   2
   3 import { logger } from './logger'
   4
   5 function badRequest (req, res, next) {
   6   res.type('json').status(400).end()
   7 }
   8
   9 function generateRandomString (size, callback) {
  10   pseudoRandomBytes(size, function (err, raw) {
  11     if (err) return callback(err)
  12
  13     callback(null, raw.toString('hex'))
  14   })
  15 }
  16
  17 function cleanForExit (webtorrentProcess) {
  18   logger.info('Gracefully exiting.')
  19   process.kill(-webtorrentProcess.pid)
  20 }
  21
  22 function createEmptyCallback () {
  23   return function (err) {
  24     if (err) logger.error('Error in empty callback.', { error: err })
  25   }
  26 }
  27
  28 function isTestInstance () {
  29   return (process.env.NODE_ENV === 'test')
  30 }
  31
  32 function getFormatedObjects (objects, objectsTotal) {
  33   const formatedObjects = []
  34
  35   objects.forEach(function (object) {
  36     formatedObjects.push(object.toFormatedJSON())
  37   })
  38
  39   return {
  40     total: objectsTotal,
  41     data: formatedObjects
  42   }
  43 }
  44
  45 // ---------------------------------------------------------------------------
  46
  47 export {
  48   badRequest,
  49   createEmptyCallback,
  50   cleanForExit,
  51   generateRandomString,
  52   isTestInstance,
  53   getFormatedObjects
  54 }