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

   1 import * as express from 'express'
   2 import 'express-validator'
   3 import 'multer'
   4 import * as validator from 'validator'
   5 import { CONSTRAINTS_FIELDS } from '../../initializers'
   6 import { VideoChannelModel } from '../../models/video/video-channel'
   7 import { exists } from './misc'
   8 import { Response } from 'express'
   9
  10 const VIDEO_CHANNELS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.VIDEO_CHANNELS
  11
  12 function isVideoChannelDescriptionValid (value: string) {
  13   return value === null || validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.DESCRIPTION)
  14 }
  15
  16 function isVideoChannelNameValid (value: string) {
  17   return exists(value) && validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.NAME)
  18 }
  19
  20 function isVideoChannelSupportValid (value: string) {
  21   return value === null || (exists(value) && validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.SUPPORT))
  22 }
  23
  24 async function isLocalVideoChannelNameExist (name: string, res: Response) {
  25   const videoChannel = await VideoChannelModel.loadLocalByName(name)
  26
  27   return processVideoChannelExist(videoChannel, res)
  28 }
  29
  30 async function isVideoChannelExist (id: string, res: express.Response) {
  31   let videoChannel: VideoChannelModel
  32   if (validator.isInt(id)) {
  33     videoChannel = await VideoChannelModel.loadAndPopulateAccount(+id)
  34   } else { // UUID
  35     videoChannel = await VideoChannelModel.loadByUUIDAndPopulateAccount(id)
  36   }
  37
  38   return processVideoChannelExist(videoChannel, res)
  39 }
  40
  41 // ---------------------------------------------------------------------------
  42
  43 export {
  44   isLocalVideoChannelNameExist,
  45   isVideoChannelDescriptionValid,
  46   isVideoChannelNameValid,
  47   isVideoChannelSupportValid,
  48   isVideoChannelExist
  49 }
  50
  51 function processVideoChannelExist (videoChannel: VideoChannelModel, res: express.Response) {
  52   if (!videoChannel) {
  53     res.status(404)
  54        .json({ error: 'Video channel not found' })
  55        .end()
  56
  57     return false
  58   }
  59
  60   res.locals.videoChannel = videoChannel
  61   return true
  62 }