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 import { isActivityPubUrlValid } from './index'
  12
  13 const VIDEO_CHANNELS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.VIDEO_CHANNELS
  14
  15 function isVideoChannelUrlValid (value: string) {
  16   return isActivityPubUrlValid(value)
  17 }
  18
  19 function isVideoChannelDescriptionValid (value: string) {
  20   return value === null || validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.DESCRIPTION)
  21 }
  22
  23 function isVideoChannelNameValid (value: string) {
  24   return exists(value) && validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.NAME)
  25 }
  26
  27 function isVideoChannelUUIDValid (value: string) {
  28   return exists(value) && validator.isUUID('' + value, 4)
  29 }
  30
  31 function checkVideoChannelExists (id: string, res: express.Response, callback: () => void) {
  32   let promise: Promise<VideoChannelInstance>
  33   if (validator.isInt(id)) {
  34     promise = db.VideoChannel.loadAndPopulateAccount(+id)
  35   } else { // UUID
  36     promise = db.VideoChannel.loadByUUIDAndPopulateAccount(id)
  37   }
  38
  39   promise.then(videoChannel => {
  40     if (!videoChannel) {
  41       return res.status(404)
  42         .json({ error: 'Video channel not found' })
  43         .end()
  44     }
  45
  46     res.locals.videoChannel = videoChannel
  47     callback()
  48   })
  49     .catch(err => {
  50       logger.error('Error in video channel request validator.', err)
  51       return res.sendStatus(500)
  52     })
  53 }
  54
  55 // ---------------------------------------------------------------------------
  56
  57 export {
  58   isVideoChannelDescriptionValid,
  59   isVideoChannelNameValid,
  60   isVideoChannelUUIDValid,
  61   checkVideoChannelExists,
  62   isVideoChannelUrlValid
  63 }