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

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