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

   1 import { CONSTRAINTS_FIELDS, MIMETYPES, VIDEO_LANGUAGES } from '../../initializers/constants'
   2 import { exists, isFileValid } from './misc'
   3 import { Response } from 'express'
   4 import { VideoModel } from '../../models/video/video'
   5 import { VideoCaptionModel } from '../../models/video/video-caption'
   6
   7 function isVideoCaptionLanguageValid (value: any) {
   8   return exists(value) && VIDEO_LANGUAGES[ value ] !== undefined
   9 }
  10
  11 const videoCaptionTypes = Object.keys(MIMETYPES.VIDEO_CAPTIONS.MIMETYPE_EXT)
  12                                 .concat([ 'application/octet-stream' ]) // MacOS sends application/octet-stream ><
  13                                 .map(m => `(${m})`)
  14 const videoCaptionTypesRegex = videoCaptionTypes.join('|')
  15 function isVideoCaptionFile (files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], field: string) {
  16   return isFileValid(files, videoCaptionTypesRegex, field, CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max)
  17 }
  18
  19 async function doesVideoCaptionExist (video: VideoModel, language: string, res: Response) {
  20   const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(video.id, language)
  21
  22   if (!videoCaption) {
  23     res.status(404)
  24        .json({ error: 'Video caption not found' })
  25        .end()
  26
  27     return false
  28   }
  29
  30   res.locals.videoCaption = videoCaption
  31   return true
  32 }
  33
  34 // ---------------------------------------------------------------------------
  35
  36 export {
  37   isVideoCaptionFile,
  38   isVideoCaptionLanguageValid,
  39   doesVideoCaptionExist
  40 }