server/helpers/custom-validators/video-channels.ts

   1 import * as Promise from 'bluebird'
   2 import * as validator from 'validator'
   3 import * as express from 'express'
   4 import 'express-validator'
   5 import 'multer'
   6
   7 import { database as db, CONSTRAINTS_FIELDS } from '../../initializers'
   8 import { VideoChannelInstance } from '../../models'
   9 import { logger } from '../logger'
  10 import { exists } from './misc'
  11
  12 const VIDEO_CHANNELS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.VIDEO_CHANNELS
  13
  14 function isVideoChannelDescriptionValid (value: string) {
  15   return value === null || validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.DESCRIPTION)
  16 }
  17
  18 function isVideoChannelNameValid (value: string) {
  19   return exists(value) && validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.NAME)
  20 }
  21
  22 function isVideoChannelUUIDValid (value: string) {
  23   return exists(value) && validator.isUUID('' + value, 4)
  24 }
  25
  26 function checkVideoChannelExists (id: string, res: express.Response, callback: () => void) {
  27   let promise: Promise<VideoChannelInstance>
  28   if (validator.isInt(id)) {
  29     promise = db.VideoChannel.loadAndPopulateAuthor(+id)
  30   } else { // UUID
  31     promise = db.VideoChannel.loadByUUIDAndPopulateAuthor(id)
  32   }
  33
  34   promise.then(videoChannel => {
  35     if (!videoChannel) {
  36       return res.status(404)
  37         .json({ error: 'Video channel not found' })
  38         .end()
  39     }
  40
  41     res.locals.videoChannel = videoChannel
  42     callback()
  43   })
  44     .catch(err => {
  45       logger.error('Error in video channel request validator.', err)
  46       return res.sendStatus(500)
  47     })
  48 }
  49
  50 // ---------------------------------------------------------------------------
  51
  52 export {
  53   isVideoChannelDescriptionValid,
  54   isVideoChannelNameValid,
  55   isVideoChannelUUIDValid,
  56   checkVideoChannelExists
  57 }