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

   1 import { CONSTRAINTS_FIELDS, VIDEO_LANGUAGES } from '../../initializers'
   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 = CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.EXTNAME
  12                                           .map(v => v.replace('.', ''))
  13                                           .join('|')
  14 const videoCaptionsTypesRegex = `text/(${videoCaptionTypes})`
  15
  16 function isVideoCaptionFile (files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], field: string) {
  17   return isFileValid(files, videoCaptionsTypesRegex, field, CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max)
  18 }
  19
  20 async function isVideoCaptionExist (video: VideoModel, language: string, res: Response) {
  21   const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(video.id, language)
  22
  23   if (!videoCaption) {
  24     res.status(404)
  25        .json({ error: 'Video caption not found' })
  26        .end()
  27
  28     return false
  29   }
  30
  31   res.locals.videoCaption = videoCaption
  32   return true
  33 }
  34
  35 // ---------------------------------------------------------------------------
  36
  37 export {
  38   isVideoCaptionFile,
  39   isVideoCaptionLanguageValid,
  40   isVideoCaptionExist
  41 }