server/helpers/utils.js

   1 'use strict'
   2
   3 const crypto = require('crypto')
   4
   5 const logger = require('./logger')
   6
   7 const utils = {
   8   badRequest,
   9   createEmptyCallback,
  10   cleanForExit,
  11   generateRandomString,
  12   isTestInstance,
  13   getFormatedObjects
  14 }
  15
  16 function badRequest (req, res, next) {
  17   res.type('json').status(400).end()
  18 }
  19
  20 function generateRandomString (size, callback) {
  21   crypto.pseudoRandomBytes(size, function (err, raw) {
  22     if (err) return callback(err)
  23
  24     callback(null, raw.toString('hex'))
  25   })
  26 }
  27
  28 function cleanForExit (webtorrentProcess) {
  29   logger.info('Gracefully exiting.')
  30   process.kill(-webtorrentProcess.pid)
  31 }
  32
  33 function createEmptyCallback () {
  34   return function (err) {
  35     if (err) logger.error('Error in empty callback.', { error: err })
  36   }
  37 }
  38
  39 function isTestInstance () {
  40   return (process.env.NODE_ENV === 'test')
  41 }
  42
  43 function getFormatedObjects (objects, objectsTotal) {
  44   const formatedObjects = []
  45
  46   objects.forEach(function (object) {
  47     formatedObjects.push(object.toFormatedJSON())
  48   })
  49
  50   return {
  51     total: objectsTotal,
  52     data: formatedObjects
  53   }
  54 }
  55
  56 // ---------------------------------------------------------------------------
  57
  58 module.exports = utils