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 { logger } from '../../../helpers/logger'
   8 import { areValidationErrors, doesVideoExist, isValidVideoIdParam } from '../shared'
   9
  10 const createTranscodingValidator = [
  11   isValidVideoIdParam('videoId'),
  12
  13   body('transcodingType')
  14     .custom(isValidCreateTranscodingType),
  15
  16   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  17     logger.debug('Checking createTranscodingValidator parameters', { parameters: req.body })
  18
  19     if (areValidationErrors(req, res)) return
  20     if (!await doesVideoExist(req.params.videoId, res, 'all')) return
  21
  22     const video = res.locals.videoAll
  23
  24     if (video.remote) {
  25       return res.fail({
  26         status: HttpStatusCode.BAD_REQUEST_400,
  27         message: 'Cannot run transcoding job on a remote video'
  28       })
  29     }
  30
  31     if (CONFIG.TRANSCODING.ENABLED !== true) {
  32       return res.fail({
  33         status: HttpStatusCode.BAD_REQUEST_400,
  34         message: 'Cannot run transcoding job because transcoding is disabled on this instance'
  35       })
  36     }
  37
  38     // Prefer using job info table instead of video state because before 4.0 failed transcoded video were stuck in "TO_TRANSCODE" state
  39     const info = await VideoJobInfoModel.load(video.id)
  40     if (info && info.pendingTranscode > 0) {
  41       return res.fail({
  42         status: HttpStatusCode.CONFLICT_409,
  43         message: 'This video is already being transcoded'
  44       })
  45     }
  46
  47     return next()
  48   }
  49 ]
  50
  51 // ---------------------------------------------------------------------------
  52
  53 export {
  54   createTranscodingValidator
  55 }