server/helpers/utils.ts

   1 import * as express from 'express'
   2
   3 import { pseudoRandomBytesPromise } from './core-utils'
   4 import { ResultList } from '../../shared'
   5
   6 function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
   7   res.type('json').status(400).end()
   8 }
   9
  10 function generateRandomString (size: number) {
  11   return pseudoRandomBytesPromise(size).then(raw => raw.toString('hex'))
  12 }
  13
  14 interface FormatableToJSON {
  15   toFormatedJSON ()
  16 }
  17
  18 function getFormatedObjects<U, T extends FormatableToJSON> (objects: T[], objectsTotal: number) {
  19   const formatedObjects: U[] = []
  20
  21   objects.forEach(object => {
  22     formatedObjects.push(object.toFormatedJSON())
  23   })
  24
  25   const res: ResultList<U> = {
  26     total: objectsTotal,
  27     data: formatedObjects
  28   }
  29
  30   return res
  31 }
  32
  33 // ---------------------------------------------------------------------------
  34
  35 export {
  36   badRequest,
  37   generateRandomString,
  38   getFormatedObjects
  39 }