server/middlewares/validators/videos/video-transcoding.ts

   1 import express from 'express'
   2 import { body } from 'express-validator'
   3 import { isValidCreateTranscodingType } from '@server/helpers/custom-validators/video-transcoding'
   4 import { CONFIG } from '@server/initializers/config'
   5 import { VideoJobInfoModel } from '@server/models/video/video-job-info'
   6 import { HttpStatusCode } from '@shared/models'
   7 import { areValidationErrors, doesVideoExist, isValidVideoIdParam } from '../shared'
   8
   9 const createTranscodingValidator = [
  10   isValidVideoIdParam('videoId'),
  11
  12   body('transcodingType')
  13     .custom(isValidCreateTranscodingType),
  14
  15   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  16     if (areValidationErrors(req, res)) return
  17     if (!await doesVideoExist(req.params.videoId, res, 'all')) return
  18
  19     const video = res.locals.videoAll
  20
  21     if (video.remote) {
  22       return res.fail({
  23         status: HttpStatusCode.BAD_REQUEST_400,
  24         message: 'Cannot run transcoding job on a remote video'
  25       })
  26     }
  27
  28     if (CONFIG.TRANSCODING.ENABLED !== true) {
  29       return res.fail({
  30         status: HttpStatusCode.BAD_REQUEST_400,
  31         message: 'Cannot run transcoding job because transcoding is disabled on this instance'
  32       })
  33     }
  34
  35     // Prefer using job info table instead of video state because before 4.0 failed transcoded video were stuck in "TO_TRANSCODE" state
  36     const info = await VideoJobInfoModel.load(video.id)
  37     if (info && info.pendingTranscode > 0) {
  38       return res.fail({
  39         status: HttpStatusCode.CONFLICT_409,
  40         message: 'This video is already being transcoded'
  41       })
  42     }
  43
  44     return next()
  45   }
  46 ]
  47
  48 // ---------------------------------------------------------------------------
  49
  50 export {
  51   createTranscodingValidator
  52 }